/* 
 * 똑톡튜터 똑톡AI유터 - Homepage Stylesheet
 * Figma Design Implementation - Red Theme
 */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Red Theme */
    --primary-color: #E50914;
    --primary-dark: #C7000D;
    --primary-light: #FF1A25;

    /* Secondary Colors */
    --secondary-color: #1a1a2e;
    --secondary-dark: #0f0f1a;

    /* Feature Colors */
    --color-ai: #3B82F6;
    --color-native: #E50914;
    --color-review: #10B981;

    /* Background Colors */
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #F3F4F6;
    --bg-dark: #1a1a2e;
    --bg-darker: #0f0f1a;

    /* Text Colors */
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --text-white: #FFFFFF;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 10px 30px rgba(229, 9, 20, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Font */
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Index section typography */
    --index-section-title-size: clamp(2rem, 3.35vw, 3.85rem);
    --index-section-subtitle-size: var(--index-section-title-size);
    --index-section-description-size: clamp(1.02rem, 1.18vw, 1.18rem);
    --index-section-title-mobile-size: clamp(1.86rem, 8.2vw, 2.65rem);
    --index-section-subtitle-mobile-size: var(--index-section-title-mobile-size);
    --index-section-description-mobile-size: clamp(0.98rem, 3.8vw, 1.08rem);
    --index-section-title-color: #111827;
    --index-section-subtitle-color: #15803d;
    --index-section-description-color: #1f2937;

    /* Hero scroll layering */
    --hero-section-overlap: clamp(120px, 16vh, 220px);
    --hero-pin-height: 100vh;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
}

.text-primary {
    color: var(--primary-color);
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: transparent;
    transition: top var(--transition-normal), color var(--transition-normal), padding var(--transition-normal);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.header .container {
    border: 1px solid transparent;
    border-radius: 0;
    transition: width var(--transition-normal), max-width var(--transition-normal), padding var(--transition-normal), background var(--transition-normal), border-color var(--transition-normal), border-radius var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
    top: 10px;
    padding: 0;
    background: transparent;
}

.header.scrolled .container {
    width: min(calc(100% - 24px), 1320px);
    max-width: 1320px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 999px;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.16);
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    padding-left: clamp(2.25rem, 4vw, 4.5rem);
    padding-right: clamp(2.25rem, 4vw, 4.5rem);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    color: var(--text-white);
}

.header.scrolled .logo-text {
    color: var(--text-dark);
}

.logo-topline {
    font-size: 1.12rem;
    font-weight: 700;
    opacity: 0.92;
    margin-bottom: 0.3rem;
}

.logo-main {
    font-size: 1.38rem;
    font-weight: 800;
    color: #FFD700;
}

.header.scrolled .logo-main {
    color: inherit;
    opacity: 0.82;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link-pricing {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: normal;
    text-align: center;
    white-space: nowrap;
}

.nav-pricing-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-discount-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.17rem 0.45rem;
    font-family: var(--font-family);
    background: #dc2626;
    color: #ffffff;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0;
    text-shadow: none;
    white-space: nowrap;
}

.discount-rate-swap {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.2em;
    line-height: 1;
    white-space: nowrap;
}

.discount-rate-old {
    color: #6b7280;
    font-weight: 700;
    opacity: 0.72;
    text-decoration-line: line-through;
    text-decoration-thickness: 2px;
    text-decoration-color: currentColor;
}

.discount-rate-new {
    color: #dc2626;
    font-size: 1.12em;
    font-weight: 950;
}

.pricing-plan-toggle-btn.is-active .discount-rate-old {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-plan-toggle-btn.is-active .discount-rate-new {
    color: #ffffff;
}

.cta-content .discount-rate-old {
    color: rgba(255, 255, 255, 0.68);
}

.cta-content .discount-rate-new {
    color: #FFD700;
}

.nav-link-pricing .nav-discount-badge {
    position: absolute;
    top: calc(100% + 0.18rem);
    left: 50%;
    transform: translateX(-50%);
}

.mobile-header-pricing-link {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.16rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.82rem;
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.05;
    text-align: center;
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.header.scrolled .nav-link {
    color: var(--text-gray);
}

.header.scrolled .mobile-header-pricing-link {
    color: var(--text-dark);
}

.header.scrolled .nav-link:hover {
    color: var(--primary-color);
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
}

.header.scrolled .mobile-menu-btn {
    color: var(--text-dark);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-outline-white {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

.header.scrolled .btn-outline-white {
    color: var(--text-gray);
    border-color: var(--text-light);
}

.header.scrolled .btn-outline-white:hover {
    color: var(--text-dark);
    border-color: var(--text-dark);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-cta {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.1rem;
    border-radius: var(--radius-xl);
}

.btn-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
}

.header-level-test-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.header-level-test-btn:hover {
    transform: translateY(-2px);
}

.btn-cta-white {
    background: var(--text-white);
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.1rem;
    border-radius: var(--radius-xl);
}

.btn-cta-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-cta-trial {
    background: #000000;
    color: #FFD700;
}

.btn-cta-trial:hover {
    background: #111111;
    color: #FFD700;
}

/* ===== Hero Section ===== */
.hero {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    min-height: var(--hero-pin-height);
    height: var(--hero-pin-height);
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    overflow: hidden;
    z-index: 1;
    background: #ffffff;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
    background: #ffffff;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    opacity: 0;
    transition: opacity 280ms ease;
}

/* Gradient fade effect - clear on right, slightly faded on left */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right,
            rgba(26, 26, 46, 0.75) 0%,
            rgba(26, 26, 46, 0.5) 30%,
            rgba(26, 26, 46, 0.2) 60%,
            transparent 80%);
    z-index: 1;
    opacity: 0;
    transition: opacity 280ms ease;
}

/* Blur effect on entire background */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Keep a light overlay without expensive backdrop blur compositing. */
    background: rgba(12, 20, 35, 0.14);
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 280ms ease;
}

.hero-bg.bg-loaded img {
    opacity: 1;
}

.hero-bg.bg-loaded::before,
.hero-bg.bg-loaded::after {
    opacity: 1;
}

.hero-content {
    display: block;
    max-width: 600px;
    position: relative;
    z-index: 3;
}

/* Grid layout for hero with phone */
.hero-content.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    max-width: 100%;
    align-items: center;
    transform: translateY(0);
}

/* Hero Phone Mockup with Video */
.hero-phone {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.hero-phone-showcase {
    --hero-main-phone-width: clamp(285px, 23.5vw, 360px);
    --hero-side-phone-width: clamp(249px, 20.56vw, 315px);
    --hero-phone-overlap: clamp(100px, 8.225vw, 126px);
    position: relative;
    width: calc(var(--hero-main-phone-width) + var(--hero-side-phone-width) - var(--hero-phone-overlap));
    height: clamp(490px, 40.42vw, 619px);
    min-width: 420px;
    isolation: isolate;
    perspective: 1400px;
}

.phone-mockup-container {
    position: absolute;
    bottom: 0;
    height: auto;
    filter: none;
    cursor: pointer;
    transform-origin: center bottom;
    transition:
        left 640ms cubic-bezier(0.22, 1, 0.36, 1),
        width 640ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 640ms cubic-bezier(0.22, 1, 0.36, 1),
        filter 640ms ease;
    will-change: left, width, transform;
}

.phone-mockup-container.phone-mockup-preview-main {
    left: 0;
    width: var(--hero-main-phone-width);
    z-index: 5;
    transform: translateY(0);
    filter: drop-shadow(16px 10px 18px rgba(15, 23, 42, 0.36));
}

.phone-mockup-preview-main .phone-video {
    border-radius: 44px;
}

.phone-mockup-container.phone-mockup-lecture-side {
    left: calc(var(--hero-main-phone-width) - var(--hero-phone-overlap));
    right: auto;
    width: var(--hero-side-phone-width);
    z-index: 2;
    transform: perspective(900px) translateY(-32px) rotateY(12deg);
    transform-style: preserve-3d;
    filter: drop-shadow(14px 12px 18px rgba(15, 23, 42, 0.30));
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-preview-main {
    left: calc(var(--hero-main-phone-width) - var(--hero-phone-overlap));
    width: var(--hero-side-phone-width);
    z-index: 2;
    transform: perspective(900px) translateY(-32px) rotateY(12deg);
    filter: drop-shadow(14px 12px 18px rgba(15, 23, 42, 0.30));
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-lecture-side {
    left: 0;
    width: var(--hero-main-phone-width);
    z-index: 5;
    transform: translateY(0);
    filter: drop-shadow(16px 10px 18px rgba(15, 23, 42, 0.36));
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-preview-main .phone-video {
    border-radius: 36px;
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-lecture-side .phone-video {
    border-radius: 44px;
}

.hero-phone-caption {
    position: absolute;
    left: 50%;
    top: calc(100% + 10px);
    z-index: 10;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.82);
    color: #ffffff;
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.24);
    font-size: clamp(0.82rem, 0.86vw, 0.94rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: 0;
    white-space: nowrap;
    pointer-events: none;
    transform: translateX(-50%);
    backdrop-filter: blur(7px) saturate(140%);
    -webkit-backdrop-filter: blur(7px) saturate(140%);
}

.phone-mockup-lecture-side .hero-phone-caption,
.hero-phone-showcase.is-avatar-primary .phone-mockup-preview-main .hero-phone-caption {
    top: calc(100% + 7px);
    min-height: 26px;
    padding: 5px 11px;
    font-size: clamp(0.68rem, 0.72vw, 0.82rem);
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-lecture-side .hero-phone-caption {
    top: calc(100% + 10px);
    min-height: 30px;
    padding: 6px 14px;
    font-size: clamp(0.82rem, 0.86vw, 0.94rem);
}

.phone-frame {
    position: relative;
    width: 100%;
    height: auto;
    z-index: 2;
    pointer-events: none;
}

/* Hero feature cards (orbiting around the front phone) */
.hero-feature-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 8;
    opacity: 0;
    transition: opacity 0.35s ease;
}
.hero-feature-cards.is-set-visible {
    opacity: 1;
}

.hero-feature-card {
    position: absolute;
    pointer-events: auto;
    background: rgba(17, 24, 39, 0.82);
    backdrop-filter: blur(7px) saturate(140%);
    -webkit-backdrop-filter: blur(7px) saturate(140%);
    color: #ffffff;
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28), 0 2px 6px rgba(0, 0, 0, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 200px;
    max-width: 250px;
    opacity: 0;
    transform: translateY(8px) scale(0.96);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-feature-card.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.hero-feature-card h4 {
    font-size: 1rem;
    font-weight: 800;
    color: #fbbf24;
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}

.hero-feature-card p {
    font-size: 0.82rem;
    line-height: 1.42;
    color: #e2e8f0;
    margin: 0;
    font-weight: 500;
}

/* Default positioning (desktop) around the front phone on the LEFT */
.hero-feature-card--tl {
    top: 8%;
    left: -14%;
}

.hero-feature-card--mr {
    top: 42%;
    left: calc(56% - 50px);
}

.hero-feature-card--bl {
    top: 72%;
    left: -10%;
}

/* Tablet/mobile: scale down cards but keep them visible */
@media (max-width: 900px) {
    .hero-feature-card {
        min-width: 150px;
        max-width: 180px;
        padding: 9px 11px;
        border-radius: 12px;
        box-shadow: 0 10px 22px rgba(15, 23, 42, 0.18), 0 2px 5px rgba(15, 23, 42, 0.08);
    }
    .hero-feature-card h4 {
        font-size: 0.82rem;
        margin: 0 0 3px;
    }
    .hero-feature-card p {
        font-size: 0.7rem;
        line-height: 1.36;
    }
    .hero-feature-card--tl {
        top: 2%;
        left: -8%;
    }
    .hero-feature-card--mr {
        top: 38%;
        left: calc(62% - 38px);
    }
    .hero-feature-card--bl {
        top: 76%;
        left: -6%;
    }
}

@media (max-width: 480px) {
    .hero-feature-card {
        min-width: 128px;
        max-width: 158px;
        padding: 7px 9px;
    }
    .hero-feature-card h4 {
        font-size: 0.74rem;
    }
    .hero-feature-card p {
        font-size: 0.62rem;
    }
    .hero-feature-card--tl {
        top: 0;
        left: -4%;
    }
    .hero-feature-card--mr {
        top: 38%;
        left: calc(64% - 30px);
    }
    .hero-feature-card--bl {
        top: 78%;
        left: -4%;
    }
}

.phone-video {
    position: absolute;
    /* Adjust these values to match the screen area of your phone_outline.png */
    top: 1.5%;
    left: 5%;
    width: 90%;
    height: 97%;
    object-fit: cover;
    border-radius: 36px;
    z-index: 3;
}

/* Video Sound Toggle Button */
.video-sound-btn {
    position: absolute;
    top: 2.5%;
    right: 7%;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #333333;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 4;
    transition: all var(--transition-fast);
}

.video-sound-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.video-sound-btn.unmuted {
    background: var(--primary-color);
}

.phone-mockup-container .hero-video-sound-btn {
    top: 3.8%;
    right: 8%;
    z-index: 8;
}

.phone-mockup-container .hero-video-sound-btn:hover {
    transform: scale(1.1);
}

.phone-mockup-lecture-side .hero-video-sound-btn {
    top: 2.4%;
    width: 34px;
    height: 34px;
    font-size: 0.86rem;
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-preview-main .hero-video-sound-btn {
    top: 2.4%;
    width: 34px;
    height: 34px;
    font-size: 0.86rem;
}

.hero-phone-showcase.is-avatar-primary .phone-mockup-lecture-side .hero-video-sound-btn {
    top: calc(3.8% - 15px);
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

@keyframes heroPhoneFloatMain {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes heroPhoneFloatSide {

    0%,
    100% {
        transform: perspective(900px) translateY(-32px) rotateY(12deg);
    }

    50% {
        transform: perspective(900px) translateY(-42px) rotateY(12deg);
    }
}

/* Responsive: Stack on mobile */
@media (max-width: 900px) {
    .hero-content.hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        transform: none;
    }

    .hero-phone {
        order: -1;
        margin-bottom: var(--spacing-xl);
    }

    .hero-phone-showcase {
        --hero-main-phone-width: clamp(190px, 49vw, 242px);
        --hero-side-phone-width: clamp(162px, 41.65vw, 206px);
        --hero-phone-overlap: clamp(61px, 15.68vw, 77px);
        width: calc(var(--hero-main-phone-width) + var(--hero-side-phone-width) - var(--hero-phone-overlap));
        height: clamp(350px, 90.16vw, 445px);
        min-width: 0;
    }

    .phone-mockup-container {
        animation: none;
    }

    .phone-mockup-container.phone-mockup-preview-main {
        width: var(--hero-main-phone-width);
    }

    .phone-mockup-container.phone-mockup-lecture-side {
        left: calc(var(--hero-main-phone-width) - var(--hero-phone-overlap));
        width: var(--hero-side-phone-width);
        transform: perspective(900px) translateY(-36px) rotateY(12deg);
    }

    .hero-checklist {
        display: inline-block;
        text-align: left;
    }
}

.hero-text h1 {
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.3;
}

.hero-text h1 .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-checklist {
    margin-bottom: var(--spacing-2xl);
}

.hero-checklist li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.hero-checklist li i {
    color: var(--color-review);
    font-size: 1.2rem;
}

.hero-support-copy {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-top: 3.45rem;
    max-width: 520px;
}

.hero-support-copy-line {
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.14rem;
    line-height: 1.45;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.hero-support-copy-line--strong {
  color: #ffffff;
  font-size: 1.14rem;
  font-weight: 400;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.phone-mockup {
    position: relative;
    transform: rotateY(-15deg) rotateX(5deg) rotateZ(15deg);
    transform-style: preserve-3d;
    animation: phoneFloat 6s ease-in-out infinite;
}

/* Dynamic shadow that responds to floating animation */
.phone-mockup::before {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 50%;
    width: 200px;
    height: 20px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateX(-50%) rotateX(80deg);
    animation: phoneShadow 6s ease-in-out infinite;
    z-index: -1;
}

.phone-mockup img {
    max-width: 320px;
    width: 100%;
    border-radius: 40px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 0 2px rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1),
        0 0 80px rgba(229, 9, 20, 0.15);
    background: linear-gradient(135deg, #1a1a2e, #0f0f1a);
    padding: 3px;
}

/* Phone floating animation */
@keyframes phoneFloat {

    0%,
    100% {
        transform: rotateY(-15deg) rotateX(5deg) rotateZ(15deg) translateY(0);
    }

    50% {
        transform: rotateY(-15deg) rotateX(5deg) rotateZ(15deg) translateY(-25px);
    }
}

/* Shadow animation - physics based: smaller/lighter when up, larger/darker when down */
@keyframes phoneShadow {

    0%,
    100% {
        /* Phone is down - shadow is larger, darker, closer */
        width: 200px;
        height: 20px;
        bottom: -60px;
        opacity: 1;
        filter: blur(15px);
    }

    50% {
        /* Phone is up - shadow is smaller, lighter, further away */
        width: 140px;
        height: 12px;
        bottom: -40px;
        opacity: 0.5;
        filter: blur(25px);
    }
}

/* ===== Section Styles ===== */
.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    z-index: 2;
}

.section-white {
    background: var(--bg-white);
}

#system {
    background: rgb(243, 244, 245);
    margin-top: var(--hero-pin-height);
    padding-top: 0;
}

#features {
    background: rgb(229, 229, 229);
    padding-bottom: var(--spacing-4xl);
}

#reviews {
    background: rgb(36, 37, 37);
    margin-top: -12px;
    padding-top: 12px;
}

#pricing {
    background: #ffffff;
    padding-top: 0;
}

.section-gray {
    background: var(--bg-gray);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-header-system {
    text-align: left;
    max-width: none;
    width: 100%;
    margin-top: 0;
    margin-bottom: var(--spacing-3xl);
    margin-left: 0;
    margin-right: 0;
    padding: 8px 0 22px;
    position: relative;
    transform: none;
    background: #ffffff;
    border-radius: 24px;
}

.section-header-system-visual {
    display: grid;
    grid-template-columns: minmax(0, 1fr) clamp(190px, 24vw, 340px);
    column-gap: clamp(14px, 2.4vw, 34px);
    align-items: end;
    position: relative;
    z-index: 5;
}

.section-header-system-visual .system-header-copy {
    min-width: 0;
}

.system-header-character-wrap {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    min-height: 100%;
}

.system-header-character {
    width: 100%;
    max-width: 340px;
    position: relative;
    z-index: 6;
    --system-char-x: 100px;
    --system-char-y: 160px;
    transform: translate(var(--system-char-x), var(--system-char-y)) scaleX(-1);
    animation: systemHeaderFloat 4.8s ease-in-out infinite;
    will-change: transform;
}

@keyframes systemHeaderFloat {

    0%,
    100% {
        transform: translate(var(--system-char-x), var(--system-char-y)) scaleX(-1);
    }

    50% {
        transform: translate(var(--system-char-x), calc(var(--system-char-y) - 18px)) scaleX(-1);
    }
}

.section-header-system::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    height: 2px;
    background: linear-gradient(90deg, rgba(30, 136, 229, 0.95) 0%, rgba(30, 136, 229, 0.2) 72%, rgba(30, 136, 229, 0) 100%);
}

.system-header-kicker {
    display: inline-block;
    margin-bottom: 10px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #1e88e5;
    background: rgba(30, 136, 229, 0.12);
}

.section-header-system h2 {
    margin: 0;
    line-height: 1.12;
}

.section-header-system-visual .system-header-title-wide .system-header-dark,
.section-header-system-visual .system-header-title-wide .system-header-accent {
    white-space: nowrap;
}

.system-header-dark {
    display: inline-block;
    font-size: clamp(1.8rem, 3.7vw, 3.1rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #3b4556;
}

.system-header-accent {
    display: inline-block;
    margin-top: 2px;
    font-size: clamp(2rem, 4.45vw, 3.75rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #1e9bff;
}

.section-header-system .system-header-subtitle {
    margin: 16px 0 0;
    max-width: none;
    font-size: clamp(1rem, 1.6vw, 1.35rem);
    font-weight: 700;
    color: #5f6b7d;
}

.section-header-feature {
    transform: translateX(-100px);
    margin-top: 24px;
    margin-left: 0;
    margin-right: 0;
    max-width: none;
    --feature-left-offset: 380px;
    padding-left: var(--feature-left-offset);
    background: transparent;
    border-radius: 0;
}

.section-header-feature .system-header-kicker {
    transform: translateX(-50px);
    margin-bottom: 14px;
}

.section-header-feature .feature-title-row {
    transform: translateX(-50px);
}

.section-header-feature .feature-title-row h2,
.section-header-feature .system-header-subtitle {
    transform: none;
}

.section-header-feature .system-header-subtitle + .system-header-subtitle {
    margin-top: 2px;
}

.feature-intro-title {
    margin-bottom: 12px;
    font-size: clamp(1.28rem, 2.2vw, 1.9rem) !important;
    font-weight: 900 !important;
    color: #243244 !important;
    letter-spacing: -0.02em;
}

.feature-intro-list {
    list-style: none;
    margin: 10px 0 0;
    padding-left: 18px;
    max-width: 920px;
    color: #5f6b7d;
    font-size: clamp(0.98rem, 1.45vw, 1.24rem);
    font-weight: 700;
    line-height: 1.72;
    border-left: 3px solid rgb(101, 184, 89);
    transform: translate(-50px, 50px);
}

.feature-intro-list li {
    position: relative;
    padding-left: 0;
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.feature-intro-list li::before {
    content: none;
}

.feature-stage-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgb(101, 184, 89);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.82em;
    padding: 4px 10px;
    border-radius: 6px;
    letter-spacing: 0.02em;
    line-height: 1;
    align-self: center;
}

.feature-intro-list li + li {
    margin-top: 6px;
}

.feature-title-row {
    display: block;
    position: relative;
    width: max-content;
    max-width: 100%;
}

.feature-title-row h2 {
    margin: 0;
    line-height: 1.12;
}

.feature-header-character {
    position: absolute;
    left: calc(var(--feature-left-offset) * -1);
    right: auto;
    bottom: -156px;
    width: clamp(285px, 29vw, 410px);
    height: auto;
    pointer-events: none;
}

.section-header-feature::after {
    display: none;
}

.section-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(229, 9, 20, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ===== Reviews Header ===== */
.section-header-reviews {
    text-align: left;
    max-width: none;
    margin: 0 0 var(--spacing-3xl);
    position: relative;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    overflow: visible;
}

.section-header-reviews::before {
    content: none;
    display: none;
}

.section-header-reviews::after {
    content: none;
    display: none;
}

.section-header-reviews > * {
    position: relative;
    z-index: auto;
}

.section-header-reviews h2 {
    margin: 0;
    line-height: 1.12;
}

.reviews-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: clamp(14px, 2.2vw, 30px);
    margin-top: 0;
    width: 100%;
    max-width: none;
}

.reviews-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transform: none;
    min-width: 0;
    flex: 1;
    margin-top: 120px;
}

.reviews-title-singleline {
    display: inline-flex;
    align-items: baseline;
    gap: 0.35em;
    flex-wrap: nowrap;
    white-space: nowrap;
    line-height: 1;
    margin-top: 0;
}

.reviews-title-singleline .system-header-dark,
.reviews-title-singleline .system-header-accent {
    display: inline;
    margin: 0;
    line-height: 1;
    vertical-align: baseline;
}

.reviews-header-character {
    width: clamp(170px, 19vw, 290px);
    height: auto;
    transform: none;
    pointer-events: none;
    filter: drop-shadow(0 12px 22px rgba(34, 52, 80, 0.14));
    margin-top: 4px;
}

.section-header-reviews .system-header-dark {
    font-size: clamp(2.32rem, 3.9vw, 3.55rem);
    color: #e9f6ff;
}

.section-header-reviews .system-header-accent {
    font-size: clamp(3.1rem, 5.2vw, 4.9rem);
    color: #1e9bff;
}

.section-header-reviews .system-header-subtitle {
    margin: 12px 0 0;
    max-width: min(940px, 96%);
    text-align: left;
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 400;
    color: #cce5f9;
}

.section-header-reviews .reviews-hero-subtitle {
    font-size: 1.24rem;
    width: 100%;
    max-width: none;
}

#reviews .reviews-title-singleline .system-header-accent,
#reviews .reviews-highlight-ai,
#reviews .reviews-highlight-free {
    will-change: color, font-size, text-shadow;
}

.reviews-feature-list {
    counter-reset: reviews-feature-counter;
    margin: 60px 0 0;
    padding: 0;
    list-style: none;
    color: #ffffff;
    max-width: none;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    row-gap: 24px;
}

.reviews-feature-list li {
    margin: 0;
    position: relative;
    padding: 20px 92px 20px 106px;
    border-radius: 14px;
    border: 1px solid #282828;
    background: #1c1b1b;
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.24);
    height: 188px;
    min-height: 188px;
    overflow: visible;
}

.reviews-feature-list li::before {
    counter-increment: reviews-feature-counter;
    content: counter(reviews-feature-counter, decimal-leading-zero);
    position: absolute;
    left: 24px;
    top: 24px;
    color: #42f57b;
    font-size: 2.72rem;
    font-weight: 900;
    font-style: italic;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translate(-50%, -50%) rotate(-45deg);
    transform-origin: center;
    text-shadow: 0 3px 9px rgba(0, 0, 0, 0.6);
    z-index: 5;
}

.reviews-feature-list li::after {
    content: "";
    position: absolute;
    left: -1px;
    top: -1px;
    width: 0;
    height: 0;
    border-top: 72px solid rgb(36, 37, 37);
    border-right: 72px solid transparent;
    z-index: 3;
    pointer-events: none;
}

.reviews-feature-list li strong {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.4;
    color: #ff3a3a;
}

.reviews-feature-list li strong::before {
    content: "";
    position: absolute;
    left: 36px;
    top: 37px;
    width: 124px;
    height: 1.6px;
    background: rgba(70, 68, 68, 0.95);
    transform: translate(-50%, -50%) rotate(-45deg);
    transform-origin: center;
    z-index: 4;
    pointer-events: none;
}

.reviews-feature-list li p {
    margin: 8px 0 0;
    font-size: 1.08rem;
    line-height: 1.66;
    color: #ffffff;
}

.reviews-feature-icon {
    position: absolute;
    right: 18px;
    top: 50%;
    width: 50px;
    height: 50px;
    border-radius: 999px;
    background: #313030;
    color: #FDC830;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 8px 14px rgba(0, 0, 0, 0.3);
    transform: translateY(-50%);
    z-index: 2;
}

.reviews-feature-icon i {
    line-height: 1;
}

.reviews-feature-conclusion {
    margin: 30px 0 0 !important;
    font-size: clamp(2.1rem, 3.5vw, 3rem) !important;
    font-weight: 900;
    color: rgb(185, 136, 244) !important;
    padding: 0;
    border: 0;
    background: transparent !important;
    line-height: 1.5;
    display: block;
    text-align: center;
    box-shadow: none !important;
    width: 100%;
    max-width: min(66vw, 860px) !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.reviews-feature-conclusion,
.reviews-feature-conclusion * {
    color: rgb(185, 136, 244) !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

.reviews-feature-conclusion mark {
    background: transparent !important;
    color: inherit !important;
}

.reviews-grid--hidden {
    display: none !important;
}

/* ===== Pricing Header ===== */
.section-header-pricing {
    text-align: right;
    max-width: none;
    margin: 0 0 var(--spacing-3xl);
    background: #ffffff;
    border-radius: 24px;
    padding: 18px 22px;
}

.section-header-pricing h2 {
    margin: 0;
    line-height: 1.12;
}

.pricing-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    gap: clamp(10px, 1.8vw, 24px);
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.pricing-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    max-width: 620px;
    transform: translateX(clamp(-24px, -1.7vw, -12px));
}

.pricing-main-title {
    display: inline-block;
    white-space: nowrap;
    font-size: clamp(1.6rem, 3.5vw, 3rem);
}

.section-header-pricing .pricing-main-title.index-section-title {
    font-size: var(--index-section-title-size);
}

.pricing-main-title-line {
    display: block;
}

.pricing-main-title-accent {
    color: #e53935;
}

.section-header p.pricing-highlight {
    display: block;
    margin: 8px 0 0;
    line-height: 1.12;
    white-space: normal;
    max-width: 100%;
    text-align: right;
    font-size: clamp(1.75rem, 4vw, 3.4rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #1e9bff;
}

.section-header-pricing .pricing-benefits-description.index-section-description {
    margin: 10px 0 0;
    max-width: min(620px, 100%);
    color: #111827;
    font-size: var(--index-section-description-size);
    font-weight: 500;
    line-height: 1.55;
    text-align: right;
    word-break: keep-all;
}

.pricing-header-character {
    width: clamp(340px, 30vw, 420px);
    height: auto;
    transform: translateY(34px);
    pointer-events: none;
}

.section-header-pricing .system-header-subtitle {
    margin: 6px 0 0;
    max-width: none;
    text-align: right;
}

/* ===== 3-Step Learning System ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 320px));
    gap: 26px;
    justify-content: center;
    justify-items: stretch;
    position: relative;
    z-index: 1;
    isolation: isolate;
}

.step-card {
    --step-accent: #00a3be;
    --step-bg: #eafcfe;
    background: var(--step-accent);
    border-radius: 12px;
    border: none;
    padding: 28px 26px 26px;
    text-align: left;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: visible;
    min-height: 280px;
    width: 100%;
    max-width: none;
    opacity: 0;
    transform: translateY(30px);
    z-index: 2;
}

.step-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.steps-highlight-copy {
    margin: 30px auto 0;
    text-align: center;
    font-size: clamp(1.28rem, 2.35vw, 1.68rem);
    line-height: 1.45;
    font-weight: 500;
    color: #111111;
}

.steps-highlight-copy-tail {
    display: inline;
    margin-left: 0.18em;
}

.steps-highlight-copy-accent {
    display: inline;
    font-size: 1.42em;
    font-weight: 800;
    color: #ff3b30;
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.1em;
}

.step-head {
    display: grid;
    grid-template-columns: 64px 1fr;
    align-items: start;
    gap: 14px;
    margin-bottom: 18px;
}

.step-head-icon-frame {
    width: 64px;
    height: 78px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.step-head-icon {
    font-size: 46px;
    line-height: 1;
    color: #ffffff;
}

.step-number {
    font-size: 48px;
    font-style: italic;
    font-weight: bold;
    line-height: 1;
    color: #ffffff;
}

.step-label {
    font-size: 16px;
    font-style: italic;
    color: #ffffff;
    margin-top: -8px;
}

.step-head-text {
    min-width: 0;
}

.step-head-text h3 {
    margin: 0;
    font-size: clamp(1.34rem, 1.78vw, 1.62rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: #ffffff;
}

.step-summary {
    margin: 10px 0 0;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
}

.step-ai {
    --step-accent: #00a3be;
    --step-bg: #e9fcff;
}

.step-native {
    --step-accent: #7f57c9;
    --step-bg: #f3edff;
}

.step-review {
    --step-accent: #24b660;
    --step-bg: #ecfff3;
}

.step-features {
    text-align: left;
    margin-top: auto;
    padding-top: 8px;
}

.step-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: rgba(255, 255, 255, 0.96);
    font-size: 1rem;
    font-weight: 700;
}

.step-features li i {
    color: #ffffff;
}

/* ===== Stats Section ===== */
.section-stats {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    padding: var(--spacing-4xl) 0;
}

.stats-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.stats-image img {
    max-width: 350px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.stats-text h2 {
    color: var(--text-white);
    margin-bottom: var(--spacing-2xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.stat-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-number span {
    font-size: 1.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
}

/* ===== Learner Story Section ===== */
.learner-story-section {
    padding: clamp(28px, 4vw, 48px) 0 clamp(22px, 3vw, 34px);
}

.learner-story-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
    gap: clamp(24px, 4.4vw, 58px);
    width: min(100%, 1120px);
    margin: 0 auto;
}

.learner-story-copy {
    max-width: 430px;
}

.learner-story-kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 16px;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: #ecfdf5;
    color: #047857;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.02em;
}

.learner-story-copy h2 {
    margin: 0;
    color: #111827;
    font-size: clamp(1.88rem, 3.15vw, 2.86rem);
    font-weight: 900;
    line-height: 1.16;
    letter-spacing: -0.01em;
    word-break: keep-all;
}

.learner-story-copy p {
    margin: 16px 0 0;
    color: #4b5563;
    font-size: clamp(1rem, 1.25vw, 1.13rem);
    font-weight: 500;
    line-height: 1.72;
    word-break: keep-all;
}

.learner-story-card {
    position: relative;
    overflow: hidden;
    padding: clamp(22px, 3vw, 32px);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.learner-story-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: #047857;
}

.learner-story-card blockquote {
    margin: 0;
    color: #111827;
    font-size: clamp(1.08rem, 1.55vw, 1.32rem);
    font-weight: 800;
    line-height: 1.58;
    word-break: keep-all;
}

.learner-story-flow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 22px;
}

.learner-story-flow-item {
    min-height: 112px;
    padding: 14px 15px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #ffffff;
}

.learner-story-flow-item span {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: #f3f4f6;
    color: #6b7280;
    font-size: 0.76rem;
    font-weight: 900;
}

.learner-story-flow-item--after span {
    background: #ecfdf5;
    color: #047857;
}

.learner-story-flow-item p {
    margin: 10px 0 0;
    color: #374151;
    font-size: 0.96rem;
    font-weight: 600;
    line-height: 1.5;
    word-break: keep-all;
}

.learner-story-bridge {
    margin: 18px 0 0;
    color: #047857;
    font-size: 0.98rem;
    font-weight: 900;
    line-height: 1.45;
    word-break: keep-all;
}

/* ===== New Stats Section (Figma Design) ===== */
.section-stats-new {
    background: #ffffff;
    padding: var(--spacing-4xl) 0;
}

.stats-content-new {
    position: relative;
    overflow: visible;
}

.stats-info {
    --stats-character-width: clamp(170px, 15vw, 240px);
    --stats-character-gap: clamp(12px, 1.4vw, 22px);
    --stats-copy-offset: clamp(12px, 1.6vw, 26px);
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
    padding: var(--spacing-lg) 0;
    width: min(100%, 1160px);
    margin-inline: auto;
    position: relative;
    z-index: 3;
    transform: none;
}

.stats-copy {
    position: relative;
    z-index: 2;
    margin-top: -120px;
    margin-bottom: 0;
}

.stats-badge {
    display: inline-block;
    margin-bottom: 10px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #1e88e5;
    background: rgba(30, 136, 229, 0.12);
}

.stats-info h2 {
    margin: 0;
    line-height: 1.12;
}

.stats-title-row {
    display: flex;
    align-items: stretch;
    gap: var(--stats-character-gap);
    margin: 0;
    width: 100%;
    max-width: none;
}

/* Left block: wraps the character image. Same height as .stats-title-copy (via stretch),
   and anchors the character to its bottom edge. */
.stats-title-visual {
    flex-shrink: 0;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

/* Right block: anchors badge + h2 to the bottom of the block so the h2 baseline
   lines up with the character's feet. */
.stats-title-copy {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    margin-left: var(--stats-copy-offset);
}

.stats-title-row h2 {
    margin: 0;
    line-height: 1.12;
    white-space: nowrap;
    word-break: keep-all;
}

.stats-proof-bars {
    width: var(--stats-character-width);
    min-height: clamp(243px, 19.2vw, 312px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
    gap: clamp(8px, 1vw, 14px);
    padding: 0 clamp(4px, 0.7vw, 10px);
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transform: translateY(clamp(142px, 10vw, 164px));
    pointer-events: none;
}

.stats-proof-bar {
    min-width: 0;
    height: 100%;
    display: grid;
    grid-template-rows: 1fr auto;
    align-items: end;
    justify-items: center;
}

.stats-proof-bar-track {
    position: relative;
    width: clamp(42px, 3.5vw, 58px);
    height: clamp(192px, 15.2vw, 248px);
    display: flex;
    align-items: flex-end;
    overflow: visible;
    justify-self: center;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.stats-proof-bar-fill {
    display: block;
    width: 100%;
    height: var(--stats-proof-bar-value, 80%);
    border-radius: 0;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 1200ms cubic-bezier(0.2, 0.78, 0.16, 1);
    transition-delay: 0ms;
}

.stats-proof-bar--effect .stats-proof-bar-fill {
    background: linear-gradient(180deg, #ff8a7b 0%, #ff3b30 100%);
}

.stats-proof-bar--retention .stats-proof-bar-fill {
    background: linear-gradient(180deg, #65c7ff 0%, #1e88e5 100%);
}

.stats-proof-bar--satisfaction .stats-proof-bar-fill {
    background: linear-gradient(180deg, #56e3aa 0%, #10b981 100%);
}

.section-stats-new.is-stats-graph-visible .stats-proof-bar-fill {
    transform: scaleY(1);
    transition-delay: var(--stats-proof-bar-delay, 0ms);
}

.stats-proof-bar-number {
    position: absolute;
    left: 50%;
    bottom: 0;
    translate: -50% 0;
    display: block;
    color: #ef3d24;
    font-size: clamp(1.22rem, 1.92vw, 2.14rem);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.06em;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(26px);
    transition:
        bottom 1200ms cubic-bezier(0.2, 0.78, 0.16, 1),
        opacity 420ms ease,
        transform 1200ms cubic-bezier(0.2, 0.78, 0.16, 1);
    transition-delay: 0ms;
}

.section-stats-new.is-stats-graph-visible .stats-proof-bar-number {
    bottom: calc(var(--stats-proof-bar-value, 80%) + 10px);
    opacity: 1;
    transform: translateY(0);
    transition-delay: var(--stats-proof-bar-delay, 0ms);
}

.section-stats-new.is-stats-graph-resetting .stats-proof-bar-fill {
    transform: scaleY(0) !important;
    transition: none !important;
    transition-delay: 0ms !important;
}

.section-stats-new.is-stats-graph-resetting .stats-proof-bar-number {
    bottom: 0 !important;
    opacity: 0 !important;
    transform: translateY(26px) !important;
    transition: none !important;
    transition-delay: 0ms !important;
}

.stats-proof-bar-label {
    display: block;
    margin-top: 8px;
    color: #111111;
    font-size: clamp(0.74rem, 0.78vw, 0.86rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    white-space: nowrap;
    text-align: center;
}

.stat-num {
    transition:
        color 520ms ease;
}

.section-stats-new.is-stats-graph-visible .stat-num {
    color: #ef3d24;
}

.section-stats-new.is-stats-graph-visible .stats-cards .stat-card:nth-child(1) .stat-num {
    transition-delay: 0ms;
}

.section-stats-new.is-stats-graph-visible .stats-cards .stat-card:nth-child(2) .stat-num {
    transition-delay: 1300ms;
}

.section-stats-new.is-stats-graph-visible .stats-cards .stat-card:nth-child(3) .stat-num {
    transition-delay: 2600ms;
}

.section-stats-new.is-stats-graph-visible .stats-cards .stat-card:nth-child(4) .stat-num {
    transition-delay: 3900ms;
}

.stats-header-dark {
    display: inline-block;
    font-size: clamp(1.95rem, 4.2vw, 3.55rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #3b4556;
}

.stats-header-accent {
    display: inline-block;
    margin-top: 2px;
    font-size: clamp(2.2rem, 5.1vw, 4.3rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #1e9bff;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(170px, 1fr));
    gap: 12px;
    width: calc(100% - (var(--stats-character-width) + var(--stats-character-gap) + var(--stats-copy-offset)));
    max-width: none;
    margin-left: calc(var(--stats-character-width) + var(--stats-character-gap) + var(--stats-copy-offset));
    justify-self: start;
    align-self: start;
    position: relative;
    z-index: 1;
    margin-top: 0;
}

.stat-card {
    width: 100%;
    min-height: 172px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 18px;
    padding: 12px 13px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    transform: none;
    box-shadow: none;
}

.stat-card:hover {
    border-color: transparent;
    box-shadow: none;
    transform: translateY(-2px);
}

.stat-main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 6px;
}

.stat-num {
    font-size: clamp(2rem, 2.7vw, 2.8rem);
    font-weight: 800;
    color: #ff3b30;
    line-height: 0.98;
}

.stat-title {
    font-size: clamp(0.95rem, 1.06vw, 1.02rem);
    font-weight: 700;
    color: #111111;
    line-height: 1.15;
}

.stat-desc {
    display: block;
    margin: 0;
    font-size: clamp(0.82rem, 0.92vw, 0.92rem);
    line-height: 1.25;
    color: #111111;
}

@media (min-width: 769px) {
    .stats-info {
        --stats-character-width: clamp(150px, 12vw, 220px);
        --stats-character-gap: clamp(26px, 2.4vw, 40px);
        --stats-copy-offset: 0px;
    }

    .stats-title-row {
        display: grid;
        grid-template-columns: var(--stats-character-width) minmax(0, 1fr);
        align-items: end;
        column-gap: var(--stats-character-gap);
    }

    .stats-title-visual {
        width: var(--stats-character-width);
        min-width: 0;
    }

    .stats-title-copy {
        min-width: 0;
        margin-left: 0;
    }

    .stats-title-row h2 {
        min-width: 0;
    }

    .stats-proof-bars {
        width: 100%;
        margin-top: 50px;
        transform: translateY(clamp(142px, 10vw, 164px));
    }

    .stats-cards {
        width: calc(100% - (var(--stats-character-width) + var(--stats-character-gap)));
        margin-left: calc(var(--stats-character-width) + var(--stats-character-gap));
    }
}

@media (max-width: 768px) {
    .learner-story-section {
        padding: 22px 0 24px;
    }

    .learner-story-layout {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .learner-story-copy {
        max-width: none;
        text-align: center;
    }

    .learner-story-copy h2 {
        font-size: clamp(1.52rem, 5.65vw, 2.08rem);
        line-height: 1.22;
    }

    .learner-story-copy p {
        font-size: 0.95rem;
        line-height: 1.62;
    }

    .learner-story-card {
        padding: 20px 18px;
    }

    .learner-story-card blockquote {
        font-size: 1rem;
        line-height: 1.56;
    }

    .learner-story-flow {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 16px;
    }

    .learner-story-flow-item {
        min-height: auto;
        padding: 12px 13px;
    }

    .stats-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        transform: none;
    }

    .stats-info {
        --stats-character-width: clamp(140px, 38vw, 190px);
    }

    .stats-title-row {
        margin-bottom: var(--spacing-lg);
        /* Inherit align-items: stretch from the default so both blocks get equal height. */
        gap: 10px;
        margin-left: 0;
        padding-left: 0;
    }

    .stats-title-visual {
        /* No overall translateY on mobile (cards aren't overlapping upward). */
        transform: none;
    }

    .stats-title-row h2 {
        white-space: normal;
    }

    .stats-cards {
        width: 100%;
        margin-left: 0;
        margin-top: 34px;
        justify-self: stretch;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .stats-title-copy {
        margin-left: 26px;
        margin-top: 0;
        transform: none;
    }

    .stats-proof-bars {
        margin-left: 0;
        min-height: clamp(178px, 46vw, 238px);
        padding: 0 6px;
        border-radius: 0;
        gap: 6px;
        box-shadow: none;
        transform: translateY(clamp(6px, 2vw, 16px));
    }

    .stats-proof-bar-track {
        width: clamp(30px, 8vw, 42px);
        height: clamp(122px, 32vw, 158px);
    }

    .stats-proof-bar-number {
        font-size: clamp(0.92rem, 3.7vw, 1.36rem);
    }

    .section-stats-new.is-stats-graph-visible .stats-proof-bar-number {
        bottom: calc(var(--stats-proof-bar-value, 80%) + 8px);
    }

    .stats-proof-bar-label {
        margin-top: 6px;
        font-size: clamp(0.58rem, 2.2vw, 0.76rem);
    }

    .stats-header-dark {
        font-size: clamp(2.1rem, 6.3vw, 3.8rem);
    }

    .stats-header-accent {
        font-size: clamp(2.4rem, 7.2vw, 4.6rem);
    }

    .stat-num {
        font-size: 2rem;
    }

    .stat-card {
        min-height: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        padding: 10px 14px 20px;
        box-shadow: none;
        position: relative;
        overflow: visible;
    }

    .stat-card::before {
        display: none;
    }

    .stat-card::after {
        display: none;
    }

    .stat-main {
        gap: 12px;
        margin-bottom: 10px;
    }

    .stat-title {
        font-size: 1.22rem;
        line-height: 1.28;
        font-weight: 800;
        letter-spacing: -0.01em;
        color: #24364d;
    }

    .stat-num {
        font-size: 2.72rem;
        font-weight: 900;
        line-height: 1;
        color: #1e88e5;
        letter-spacing: -0.02em;
    }

    .stat-desc {
        font-size: 0.98rem;
        line-height: 1.4;
        color: #475b78;
        background: transparent;
        border-radius: 0;
        padding: 0;
    }

    .stats-cards .stat-card:nth-child(1) .stat-num {
        color: #ff5a4f;
    }

    .stats-cards .stat-card:nth-child(2) .stat-num {
        color: #0ea5e9;
    }

    .stats-cards .stat-card:nth-child(3) .stat-num {
        color: #10b981;
    }

    .stats-cards .stat-card:nth-child(4) .stat-num {
        color: #8b5cf6;
    }

    .stats-copy {
        margin-top: -50px;
        margin-bottom: 0;
    }
}

.stats-textbook-filter-row {
    margin-top: clamp(20px, 2.8vw, 32px);
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.stats-textbook-level-filter {
    --stats-textbook-filter-index: 0;
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    width: min(100%, 620px);
    min-height: 48px;
    padding: 5px;
    border-radius: 999px;
    background: #f1f5f9;
    border: 1px solid rgba(148, 163, 184, 0.36);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.85), 0 14px 30px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.stats-textbook-level-filter[data-active-level-filter="beginner"] {
    --stats-textbook-filter-index: 1;
}

.stats-textbook-level-filter[data-active-level-filter="intermediate"] {
    --stats-textbook-filter-index: 2;
}

.stats-textbook-level-filter[data-active-level-filter="advanced"] {
    --stats-textbook-filter-index: 3;
}

.stats-textbook-level-filter::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 5px;
    bottom: 5px;
    left: 5px;
    width: calc((100% - 10px) / 4);
    border-radius: 999px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 10px 24px rgba(220, 38, 38, 0.28);
    transform: translateX(calc(var(--stats-textbook-filter-index) * 100%));
    transition: transform 0.24s ease;
}

.stats-textbook-level-filter-btn {
    position: relative;
    z-index: 1;
    min-width: 0;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #475569;
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1.2;
    padding: 10px 8px;
    cursor: pointer;
    transition: color 0.2s ease;
    white-space: normal;
    word-break: keep-all;
}

.stats-textbook-level-filter-btn.is-active {
    color: #ffffff;
}

.stats-textbook-level-filter-btn:focus-visible {
    outline: 3px solid rgba(239, 68, 68, 0.32);
    outline-offset: 2px;
}

.stats-learning-marquee {
    margin-top: clamp(18px, 2.6vw, 30px);
    position: relative;
    z-index: 2;
}

.stats-learning-marquee-viewport {
    overflow: hidden;
    width: 100%;
}

.stats-learning-marquee-track {
    display: flex;
    width: max-content;
    animation: statsLearningScroll 52s linear infinite;
    will-change: transform;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.stats-learning-marquee-group {
    display: flex;
    align-items: flex-start;
    gap: clamp(18px, 2vw, 34px);
    padding-right: clamp(18px, 2vw, 34px);
    min-width: max-content;
}

.stats-learning-card {
    width: clamp(208px, 16.8vw, 248px);
    height: clamp(387px, 30.6vw, 450px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    flex-shrink: 0;
    cursor: pointer;
    background: #ffffff;
    border-radius: 26px;
    overflow: hidden;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.stats-learning-cover {
    width: 100%;
    height: 52%;
    overflow: hidden;
    background: #ffffff;
    flex-shrink: 0;
}

.stats-learning-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.stats-learning-cover-fallback {
    width: 100%;
    height: 100%;
    background: #e2e8f0;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
}

.stats-learning-card-copy {
    min-height: 0;
    height: 48%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 18px 14px;
}

.stats-learning-card-copy h3 {
    margin: 0;
    color: #1e293b;
    font-size: clamp(1.08rem, 1.42vw, 1.3rem);
    font-weight: 800;
    line-height: 1.2;
    word-break: keep-all;
}

.stats-learning-card-copy p {
    margin: 0;
    color: #5d6b81;
    font-size: clamp(0.85rem, 0.98vw, 0.95rem);
    line-height: 1.38;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.stats-learning-card--long-title .stats-learning-card-copy p {
    -webkit-line-clamp: 2;
}

.stats-learning-level {
    font-size: clamp(0.9rem, 1.04vw, 1rem);
    line-height: 1;
    font-weight: 800;
    color: #1e9bff;
    min-height: 1em;
}

.stats-learning-card-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.stats-learning-loading {
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 4px 0;
}

@keyframes statsLearningScroll {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}

.stats-learning-carousel-shell {
    position: relative;
    left: 50%;
    width: min(1200px, calc(100vw - (var(--spacing-lg) * 2)));
    max-width: none;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transform: translateX(-50%);
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-viewport {
    overflow: hidden;
    padding: clamp(28px, 4vw, 42px) 0 clamp(36px, 4vw, 50px);
    perspective: 1200px;
    cursor: grab;
    touch-action: pan-y;
}

.stats-learning-marquee[data-carousel="coverflow"].is-dragging .stats-learning-marquee-viewport {
    cursor: grabbing;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-track {
    width: 100%;
    animation: none;
    transform: none;
    transform-style: preserve-3d;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-group {
    gap: clamp(10px, 1.2vw, 18px);
    min-width: 0;
    width: max-content;
    padding: 0;
    transform: translate3d(calc(var(--stats-carousel-offset, 0px) + var(--stats-carousel-drag-offset, 0px)), 0, 0);
    transform-style: preserve-3d;
    transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.stats-learning-marquee[data-carousel="coverflow"].is-dragging .stats-learning-marquee-group {
    transition: none;
}

.stats-learning-marquee[data-carousel="coverflow"].is-dragging .stats-learning-card {
    transition: none;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-group.is-jump-reset {
    transition: none;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-group.is-jump-reset .stats-learning-card {
    transition: none;
}

.stats-learning-marquee[data-carousel="coverflow"] #statsLearningMarqueeGroupB {
    display: none;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card {
    width: 280px;
    height: clamp(392px, 29vw, 462px);
    opacity: 0.88;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: none;
    filter: saturate(0.94);
    transform: translate3d(var(--stats-card-offset-x, 0px), 0, -190px) scale(0.76);
    transform-style: preserve-3d;
    transition:
        transform 620ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 420ms ease,
        filter 420ms ease,
        box-shadow 420ms ease;
    will-change: transform, opacity;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-active {
    z-index: 5;
    opacity: 1;
    filter: saturate(1);
    transform: translate3d(var(--stats-card-offset-x, 0px), 0, 92px) scale(1);
    box-shadow: none;
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-prev {
    z-index: 3;
    opacity: 0.96;
    filter: saturate(0.98);
    transform: translate3d(var(--stats-card-offset-x, 0px), 0, -56px) rotateY(15deg) scale(0.86);
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-next {
    z-index: 3;
    opacity: 0.96;
    filter: saturate(0.98);
    transform: translate3d(var(--stats-card-offset-x, 0px), 0, -56px) rotateY(-15deg) scale(0.86);
}

.stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-far {
    pointer-events: none;
}

.stats-learning-carousel-nav {
    position: absolute;
    top: 50%;
    z-index: 8;
    display: inline-grid;
    place-items: center;
    width: clamp(42px, 4.6vw, 54px);
    height: clamp(42px, 4.6vw, 54px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 999px;
    color: #0f172a;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
    transform: translateY(-50%);
    transition: transform 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.stats-learning-carousel-nav:hover,
.stats-learning-carousel-nav:focus-visible {
    color: #ffffff;
    background: #111827;
    box-shadow: 0 22px 40px rgba(15, 23, 42, 0.18);
    transform: translateY(-50%) scale(1.04);
}

.stats-learning-carousel-nav--prev {
    left: clamp(8px, 1.4vw, 16px);
}

.stats-learning-carousel-nav--next {
    right: clamp(8px, 1.4vw, 16px);
}

.stats-learning-carousel-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 22px;
    margin-top: 14px;
}

.stats-learning-carousel-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.22);
    cursor: pointer;
    transition: width 180ms ease, background 180ms ease, transform 180ms ease;
}

.stats-learning-carousel-dot.is-active {
    width: 28px;
    background: #111827;
}

.stats-learning-carousel-dot:hover,
.stats-learning-carousel-dot:focus-visible {
    transform: scale(1.18);
    outline: none;
}

@media (max-width: 768px) {
    .stats-textbook-filter-row {
        justify-content: center;
        margin-top: 20px;
    }

    .stats-textbook-level-filter {
        width: 100%;
        min-height: 44px;
        padding: 4px;
    }

    .stats-textbook-level-filter::before {
        top: 4px;
        bottom: 4px;
        left: 4px;
        width: calc((100% - 8px) / 4);
    }

    .stats-textbook-level-filter-btn {
        font-size: clamp(0.74rem, 3.1vw, 0.84rem);
        padding: 9px 4px;
    }

    .stats-learning-marquee {
        margin-top: 18px;
        margin-left: calc(-1 * var(--spacing-lg));
        margin-right: calc(-1 * var(--spacing-lg));
    }

    .stats-learning-carousel-shell {
        left: auto;
        width: 100%;
        max-width: 100%;
        padding: 7px 0 2px;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        background: transparent;
        box-shadow: none;
        transform: none;
    }

    .stats-learning-marquee-viewport {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        touch-action: pan-x pan-y;
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-viewport {
        touch-action: pan-y;
    }

    .stats-learning-marquee-viewport::-webkit-scrollbar {
        display: none;
    }

    .stats-learning-marquee-track {
        animation: none;
    }

    .stats-learning-marquee-group {
        gap: 14px;
        padding-right: 14px;
    }

    .stats-learning-card {
        width: min(58vw, 202px);
        height: 346px;
        border-radius: 18px;
    }

    .stats-learning-cover {
        width: 100%;
        height: 50%;
    }

    .stats-learning-cover img {
        width: 100%;
        height: 100%;
    }

    .stats-learning-cover-fallback {
        height: 100%;
    }

    .stats-learning-card-copy {
        height: 50%;
        padding: 10px 10px 10px;
        gap: 6px;
    }

    .stats-learning-card-copy h3 {
        font-size: 1.04rem;
    }

    .stats-learning-card-copy p {
        font-size: 0.82rem;
        -webkit-line-clamp: 3;
    }

    .stats-learning-card--long-title .stats-learning-card-copy p {
        -webkit-line-clamp: 2;
    }

    .stats-learning-level {
        font-size: 0.8rem;
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-viewport {
        overflow: hidden;
        padding: 22px 0 32px;
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-marquee-group {
        gap: 12px;
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card {
        width: min(62vw, 236px);
        height: 356px;
        border-radius: 20px;
        opacity: 0;
        transform: translate3d(0, 0, -210px) scale(0.62);
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-active {
        opacity: 1;
        transform: translate3d(0, 0, 70px) scale(1);
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-prev {
        opacity: 0.96;
        transform: translate3d(0, 0, -64px) rotateY(14deg) scale(0.82);
    }

    .stats-learning-marquee[data-carousel="coverflow"] .stats-learning-card.is-next {
        opacity: 0.96;
        transform: translate3d(0, 0, -64px) rotateY(-14deg) scale(0.82);
    }

    .stats-learning-carousel-nav {
        width: 38px;
        height: 38px;
        top: auto;
        bottom: 4px;
        transform: none;
        box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    }

    .stats-learning-carousel-nav:hover,
    .stats-learning-carousel-nav:focus-visible {
        transform: scale(1.04);
    }

    .stats-learning-carousel-nav--prev {
        left: max(16px, env(safe-area-inset-left));
    }

    .stats-learning-carousel-nav--next {
        right: max(16px, env(safe-area-inset-right));
    }

    .stats-learning-carousel-pagination {
        margin-top: 8px;
    }
}

.stats-preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
}

.stats-preview-overlay[hidden] {
    display: none;
}

.stats-preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.74);
}

.stats-preview-window {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(1280px, 97vw);
    height: min(88vh, 920px);
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 70px rgba(2, 6, 23, 0.42);
}

.stats-preview-overlay.is-maximized {
    padding: 0;
}

.stats-preview-overlay.is-maximized .stats-preview-window {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    left: 0;
    top: 0;
    transform: none;
}

.stats-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: linear-gradient(135deg, #10b981, #059669);
}

.stats-preview-header h3 {
    margin: 0;
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stats-preview-controls {
    display: flex;
    gap: 8px;
}

.stats-preview-controls button {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.1rem;
    cursor: pointer;
}

.stats-preview-body {
    display: flex;
    min-height: 0;
    flex: 1;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
    --stats-preview-sidebar-width: 370px;
    --stats-preview-sidebar-rail: 68px;
}

.stats-preview-sidebar {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 7;
    width: var(--stats-preview-sidebar-width);
    min-width: var(--stats-preview-sidebar-width);
    max-width: min(82vw, var(--stats-preview-sidebar-width));
    border-right: 1px solid #dbe3f0;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    box-shadow: 16px 0 34px rgba(15, 23, 42, 0.16);
    transform: translateX(0);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar {
    width: var(--stats-preview-sidebar-width);
    min-width: var(--stats-preview-sidebar-width);
    transform: translateX(calc(-100% + var(--stats-preview-sidebar-rail)));
    box-shadow: none;
}

.stats-preview-sidebar-backdrop {
    position: absolute;
    inset: 0;
    z-index: 5;
    border: 0;
    background: rgba(15, 23, 42, 0.06);
    cursor: pointer;
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.2s ease;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar-backdrop,
.stats-preview-overlay[hidden] .stats-preview-sidebar-backdrop {
    opacity: 0;
    pointer-events: none;
}

.stats-preview-sidebar-head {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 12px;
    border-bottom: 1px solid #e1e8f4;
    background: #ffffff;
}

.stats-preview-sidebar-cover {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #dbe3f0;
    background: #ffffff;
    flex-shrink: 0;
}

.stats-preview-sidebar-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.stats-preview-sidebar-toggle {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 10px;
    background: #e2e8f0;
    color: #10b981;
    font-size: 1rem;
    cursor: pointer;
    flex-shrink: 0;
}

.stats-preview-sidebar-copy {
    min-width: 0;
    transition: opacity 0.2s ease;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar-copy {
    opacity: 0;
    pointer-events: none;
    width: 0;
    overflow: hidden;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar-cover {
    display: none;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar-head {
    justify-content: flex-end;
    align-items: center;
    gap: 0;
    padding: 12px 8px;
    background: transparent;
    border-bottom-color: transparent;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar-toggle {
    width: 42px;
    height: 42px;
    margin-left: auto;
    border-radius: 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.13);
}

.stats-preview-sidebar-copy h4 {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.15;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stats-preview-sidebar-copy p {
    margin: 8px 0 0;
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.stats-preview-item-list {
    padding: 10px 8px;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.stats-preview-item-list::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-item-list {
    display: block;
    padding: 8px 8px 12px;
}

.stats-preview-item-btn {
    width: 100%;
    display: flex;
    align-items: stretch;
    border: 1px solid #d5deea;
    border-radius: 12px;
    margin-bottom: 8px;
    background: #ffffff;
    cursor: pointer;
    overflow: hidden;
    color: #334155;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-item-btn {
    justify-content: flex-end;
    align-items: center;
    min-height: 44px;
    margin-bottom: 7px;
    border-radius: 14px;
    overflow: visible;
}

.stats-preview-item-btn.is-active {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border-color: transparent;
}

.stats-preview-item-number {
    width: 54px;
    background: #ecfdf5;
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.32rem;
    font-weight: 800;
    flex-shrink: 0;
}

.stats-preview-item-btn.is-active .stats-preview-item-number {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-item-number {
    width: 42px;
    min-width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 0;
    border-radius: 14px;
    font-size: 0.86rem;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.stats-preview-item-copy {
    padding: 12px 14px;
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 4px;
}

.stats-preview-overlay.is-sidebar-collapsed .stats-preview-item-copy {
    display: none;
}

.stats-preview-item-name {
    font-size: 1.04rem;
    font-weight: 700;
    line-height: 1.3;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.stats-preview-item-trans {
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.35;
    color: #64748b;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.stats-preview-item-btn.is-active .stats-preview-item-trans {
    color: rgba(255, 255, 255, 0.84);
}

.stats-preview-item-level {
    font-size: 0.9rem;
    opacity: 0.8;
}

.stats-preview-main {
    flex: 1;
    min-width: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 20px 20px 20px calc(20px + var(--stats-preview-sidebar-rail));
    background: #ffffff;
    position: relative;
}

.stats-preview-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.stats-preview-badge {
    background: #dbeafe;
    color: #1d4ed8;
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.9rem;
    font-weight: 800;
}

.stats-preview-badge-level {
    background: #fef3c7;
    color: #b45309;
}

.stats-preview-item-title {
    font-size: 1.05rem;
    font-weight: 900;
    color: #0f172a;
}

.stats-preview-avatar-btn {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    color: #ffffff;
    border: none;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(79, 70, 229, 0.28);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stats-preview-avatar-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(79, 70, 229, 0.35);
}

.stats-preview-avatar-btn[hidden] {
    display: none !important;
}

.stats-preview-avatar-btn i {
    font-size: 0.95rem;
}

.stats-preview-lesson {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 14px;
}

.stats-preview-section {
    margin-bottom: 20px;
}

.stats-preview-section:last-child {
    margin-bottom: 0;
}

.stats-preview-section-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 16px;
    border-radius: 8px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    font-size: 0.94rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.stats-preview-section-label-red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.stats-preview-line {
    border-left: 4px solid #3b82f6;
    padding: 0 0 0 12px;
    margin-bottom: 14px;
}

.stats-preview-line-purple {
    border-left-color: #8b5cf6;
}

.stats-preview-line-main {
    font-size: 1.12rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.35;
    margin-bottom: 4px;
}

.stats-preview-line-pron {
    font-size: 0.9rem;
    color: #64748b;
    font-style: italic;
    margin-bottom: 4px;
}

.stats-preview-line-trans {
    display: inline-block;
    margin-top: 2px;
    font-size: 1.06rem;
    line-height: 1.45;
    color: #334155;
    background: #e2e8f0;
    border-radius: 8px;
    padding: 8px 10px;
}

.stats-preview-lesson-image {
    width: min(100%, 600px);
    max-width: 600px;
    aspect-ratio: 6 / 5;
    margin: 16px 0 0;
    overflow: hidden;
    border-radius: 10px;
    background: #eef2f7;
}

.stats-preview-lesson-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stats-preview-word-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.stats-preview-word-list li {
    background: #ffffff;
    border: 1px solid #dbe3f0;
    border-radius: 10px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stats-preview-word-main {
    font-size: 0.92rem;
    font-weight: 700;
    color: #0f172a;
}

.stats-preview-word-trans {
    font-size: 0.84rem;
    color: #475569;
}

.stats-preview-grammar {
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.6;
    color: #1e293b;
    background: #ffffff;
    border: 1px solid #dbe3f0;
    border-radius: 10px;
    padding: 12px;
}

.stats-preview-empty {
    text-align: center;
    color: #64748b;
    font-size: 1rem;
    padding: 38px 14px;
}

.stats-preview-login-lock {
    position: absolute;
    left: 0;
    right: 0;
    top: 44%;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(248, 250, 252, 0) 0%,
        rgba(248, 250, 252, 0.78) 38%,
        rgba(248, 250, 252, 0.96) 66%,
        rgba(248, 250, 252, 1) 100%
    );
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    z-index: 3;
}

.stats-preview-login-lock-panel {
    text-align: center;
    max-width: 440px;
    width: 100%;
}

.stats-preview-login-lock-panel p {
    margin: 0 0 12px;
    color: #1e293b;
    font-size: 1rem;
    font-weight: 700;
}

.stats-preview-login-lock-panel button {
    border: none;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #ffffff;
    border-radius: 999px;
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
}

.stats-preview-overlay.is-guest-locked .stats-preview-main {
    overflow: hidden;
}

.stats-preview-overlay.is-guest-locked .stats-preview-login-lock {
    display: flex;
}

.stats-preview-resize-handle {
    position: absolute;
    right: 8px;
    bottom: 8px;
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    color: #10b981;
    cursor: nwse-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
}

.stats-preview-resize-handle i {
    font-size: 12px;
    transform: rotate(90deg);
    pointer-events: none;
}

.stats-preview-overlay.is-maximized .stats-preview-resize-handle {
    display: none;
}

@media (max-width: 1024px) {
    .stats-preview-body {
        --stats-preview-sidebar-width: 310px;
    }

    .stats-preview-window {
        width: 98vw;
        height: 92vh;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }

    .stats-preview-sidebar-copy h4 {
        font-size: 1rem;
    }

    .stats-preview-item-title {
        font-size: 1.02rem;
    }

    .stats-preview-line-main {
        font-size: 1.04rem;
    }
}

@media (max-width: 768px) {
    .stats-preview-overlay {
        padding: 0;
    }

    .stats-preview-window {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        left: 0;
        top: 0;
        transform: none;
    }

    .stats-preview-header {
        padding: 10px 12px;
    }

    .stats-preview-header h3 {
        font-size: 0.98rem;
    }

    .stats-preview-controls [data-preview-action="toggle-size"] {
        display: none;
    }

    .stats-preview-body {
        flex-direction: row;
        --stats-preview-sidebar-width: clamp(240px, 78vw, 360px);
        --stats-preview-sidebar-rail: 62px;
    }

    .stats-preview-sidebar {
        width: var(--stats-preview-sidebar-width);
        min-width: var(--stats-preview-sidebar-width);
        max-height: none;
        border-right: 1px solid #dbe3f0;
        border-bottom: none;
    }

    .stats-preview-overlay.is-sidebar-collapsed .stats-preview-sidebar {
        width: var(--stats-preview-sidebar-width);
        min-width: var(--stats-preview-sidebar-width);
        max-height: none;
    }

    .stats-preview-item-title {
        font-size: 0.94rem;
    }

    .stats-preview-main {
        padding: 14px 12px 14px calc(12px + var(--stats-preview-sidebar-rail));
    }

    .stats-preview-line-main {
        font-size: 0.98rem;
    }

    .stats-preview-line-trans {
        font-size: 0.9rem;
    }

    .stats-preview-login-lock {
        top: 0;
        bottom: 0;
        align-items: flex-end;
        justify-content: center;
        padding: 16px 14px calc(25vh + env(safe-area-inset-bottom));
        background: linear-gradient(
            180deg,
            rgba(248, 250, 252, 0) 0%,
            rgba(248, 250, 252, 0.22) 36%,
            rgba(248, 250, 252, 0.62) 58%,
            rgba(248, 250, 252, 0.9) 80%,
            rgba(248, 250, 252, 0.98) 100%
        );
    }

    .stats-preview-login-lock-panel {
        transform: none;
    }

    .stats-preview-login-lock-panel p {
        font-size: 0.92rem;
    }

    .stats-preview-resize-handle {
        display: none !important;
    }
}

/* ===== Features Section ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    border: 1px solid #E5E7EB;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(229, 9, 20, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Lesson Types */
.lesson-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.lesson-type {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid #E5E7EB;
    transition: all var(--transition-normal);
}

.lesson-type:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.lesson-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.lesson-icon.phone-lesson {
    background: linear-gradient(135deg, #10B981, #34D399);
    color: white;
}

.lesson-icon.video-lesson {
    background: linear-gradient(135deg, #3B82F6, #60A5FA);
    color: white;
}

.lesson-info h4 {
    margin-bottom: var(--spacing-xs);
}

.lesson-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===== New Features Section (Figma Design) ===== */
.section-subtitle {
    font-size: 1rem;
    color: var(--text-gray);
    margin-top: var(--spacing-sm);
}

.features-grid-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.feature-card-new {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid #E5E7EB;
    transition: all var(--transition-normal);
}

.feature-card-new:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.feature-card-new.featured {
    border-color: rgba(229, 9, 20, 0.3);
    background: rgba(229, 9, 20, 0.02);
}

.feature-icon-new {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-md);
    background: rgba(229, 9, 20, 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.feature-card-new h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-card-new p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* New Lesson Types */
.lesson-types-new {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.lesson-card {
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.lesson-card.phone-card {
    background: rgba(229, 9, 20, 0.04);
    border: 1px solid rgba(229, 9, 20, 0.1);
}

.lesson-card.video-card {
    background: var(--bg-gray);
    border: 1px solid #E5E7EB;
}

.lesson-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lesson-card h4 i {
    color: var(--primary-color);
}

.lesson-desc {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.lesson-features {
    list-style: none;
}

.lesson-features li {
    color: var(--text-gray);
    font-size: 0.85rem;
    padding: var(--spacing-xs) 0;
}

.lesson-note {
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.lesson-note i {
    color: var(--text-light);
}

/* ===== Promo Tabs Section ===== */
.promo-tabs {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    margin-top: 150px;
    transform: translateX(-10px);
}

.promo-tab-controls {
    display: none;
    gap: 8px;
    overflow-x: visible;
    position: relative;
    margin-bottom: 66px;
    padding-bottom: 2px;
}

.promo-tab-controls::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: #bfc4cc;
    z-index: 0;
    pointer-events: none;
}

.promo-tab-btn {
    position: relative;
    flex: 1 1 0;
    border: 0;
    background: transparent;
    color: #9ea3ad;
    border-radius: 0;
    padding: 10px 6px 14px;
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.promo-tab-btn.active {
    background: transparent;
    border-color: transparent;
    color: #5f68ff;
    box-shadow: none;
}

.promo-tab-btn.active::after {
    content: '';
    position: absolute;
    left: 10%;
    right: 10%;
    bottom: 0;
    height: 3px;
    border-radius: 999px;
    background: #5f68ff;
    z-index: 1;
}

.promo-tab-viewport {
    overflow: visible;
    border-radius: 0;
    background: transparent;
    border: 0;
}

.promo-tab-track {
    display: block;
    transition: none;
    will-change: auto;
}

.promo-tab-panel {
    min-width: auto;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.promo-tab-panel+.promo-tab-panel {
    margin-top: 18px;
}

.promo-tab-panel.promo-tab-panel--app-alert {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
}

.promo-tab-panel.promo-tab-panel--smart-alert {
    margin-top: 100px;
}

.promo-tab-panel--app-alert .promo-panel-layout {
    width: 100%;
    max-width: none;
    margin: 0;
}

.promo-panel-layout--smart-alert {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    max-width: none;
}

.promo-panel-media--smart-alert {
    flex: 0 0 252px;
}

.promo-panel-media--smart-alert img {
    width: 252px;
    height: 252px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.promo-tab-panel--smart-alert .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--smart-alert .promo-headline-group,
.promo-tab-panel--smart-alert .promo-body {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.promo-tab-panel--smart-alert .promo-headline {
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    color: #3b4556;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
    display: inline-flex;
    align-items: flex-end;
    gap: 0.06em;
}

.promo-tab-panel--smart-alert .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
    line-height: 1.24;
    font-weight: 800;
    color: #3b4556;
}

.promo-tab-panel--smart-alert .promo-body {
    font-size: 1.12rem;
    line-height: 1.78;
}

.promo-tab-panel--smart-alert .promo-body > p:first-child {
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
    margin-top: 50px;
}

.promo-tab-panel--app-alert .promo-headline-group,
.promo-tab-panel--app-alert .promo-body {
    max-width: 1020px;
}

.promo-tab-panel--app-showcase .promo-panel-layout {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 60px;
}

.promo-tab-panel--app-showcase {
    overflow: visible;
}

.promo-tab-panel--app-showcase .promo-panel-content {
    flex: 1;
    min-width: 0;
    margin-left: auto;
    text-align: right;
    transform: translateX(24px);
}

.promo-tab-panel--app-showcase .promo-panel-title,
.promo-tab-panel--app-showcase .promo-headline-group,
.promo-tab-panel--app-showcase .promo-body {
    text-align: right;
    margin-left: auto;
    margin-right: 0;
}

.promo-tab-panel--app-showcase .promo-body ul {
    margin-right: 0;
    margin-left: auto;
}

.promo-tab-panel--app-showcase .promo-body li {
    text-align: right;
    padding-left: 0;
    padding-right: 1.1rem;
}

.promo-tab-panel--app-showcase .promo-body li::before {
    left: auto;
    right: 0;
}

.promo-tab-panel--app-showcase .promo-headline {
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    color: #3b4556;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
    display: inline-flex;
    align-items: flex-end;
    gap: 0.06em;
}

.promo-tab-panel--app-showcase .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
    line-height: 1.24;
    font-weight: 800;
    color: #3b4556;
}

.promo-tab-panel--app-showcase .promo-body {
    font-size: 1.12rem;
    line-height: 1.78;
    padding-bottom: 60px;
}

.promo-tab-panel--app-showcase .promo-body>p:first-child {
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
    margin-top: 50px;
}

.promo-tab-panel--app-showcase .promo-panel-media {
    flex: 0 0 clamp(290px, 29vw, 450px);
    max-width: 450px;
    display: flex;
    justify-content: flex-end;
    perspective: 1200px;
    transform: translateY(-40px);
}

.promo-appshot-list {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    width: min(100%, 688px);
    margin-left: auto;
    overflow: visible;
    transform-style: flat;
    isolation: isolate;
}

.promo-appshot-list.scroll-ground-reveal {
    transform-origin: center bottom;
}

.promo-appshot-list::after {
    content: "";
    position: absolute;
    left: 10%;
    right: 4%;
    bottom: -14px;
    height: 24px;
    border-radius: 999px;
    background: radial-gradient(ellipse at center, rgba(20, 32, 58, 0.24) 0%, rgba(20, 32, 58, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.promo-appshot-list img {
    display: block;
    background: #fff;
    border: 1px solid #cfd8e7;
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(26, 38, 64, 0.18);
}

.promo-appshot-pc {
    width: 100%;
    max-width: 672px;
    flex: 0 1 auto;
    position: relative;
    z-index: 1;
    align-self: flex-end;
    transform-origin: left center;
    transform: perspective(1400px) translateX(40px) rotateY(14deg);
    box-shadow: 22px 26px 42px rgba(19, 36, 68, 0.34);
}

.promo-appshot-app {
    width: 27%;
    max-width: 144px;
    min-width: 77px;
    flex: 0 0 auto;
    margin-left: -12%;
    margin-bottom: 0;
    position: relative;
    z-index: 3;
    align-self: flex-end;
    transform: none;
    box-shadow: 0 22px 40px rgba(10, 28, 56, 0.36);
    backface-visibility: hidden;
}

.promo-benefit-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    position: relative;
    border: 1px solid #b5bfce;
    border-radius: 0;
    overflow: hidden;
}

.promo-benefit-split::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: #b5bfce;
    pointer-events: none;
}

.promo-benefit-column {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 16px 20px;
    display: grid;
    grid-template-rows: auto minmax(3.5em, auto) 1fr;
}

.promo-benefit-title {
    margin: 0 0 8px;
    font-size: 1.02rem;
    font-weight: 900;
    line-height: 1.35;
    color: #1f2f4d;
}

.promo-benefit-column p {
    margin: 0 0 9px;
}

.promo-benefit-column ul {
    margin: 0;
}

.promo-benefit-column li {
    margin-bottom: 7px;
}

.promo-body .promo-benefit-summary {
    margin: 24px 0 0;
    font-weight: 800;
    color: #4a5a75;
}

.promo-tab-panel.promo-tab-panel--speaking {
    margin-top: 120px;
    margin-bottom: 120px;
}

.promo-tab-panel.promo-tab-panel--beginner,
.promo-tab-panel.promo-tab-panel--comment,
.promo-tab-panel.promo-tab-panel--review-game {
    margin-top: 120px;
}

.promo-tab-panel--speaking .promo-panel-layout {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    width: 100%;
}

.promo-tab-panel--speaking .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--speaking .promo-panel-media {
    flex: 0 0 clamp(252px, 23.8vw, 336px);
    display: flex;
    justify-content: flex-end;
}

.promo-speaking-panorama {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    width: min(100%, 322px);
    perspective: 1400px;
    transform-style: flat;
    isolation: isolate;
    transform: translateY(-60px);
}

.promo-speaking-shot {
    position: relative;
    width: clamp(98px, 7.7vw, 133px);
    border-radius: 22px;
    object-fit: cover;
    display: block;
    border: 1px solid #d3dbe8;
    background: #fff;
    box-shadow: 0 12px 24px rgba(25, 41, 73, 0.18), 0 2px 6px rgba(25, 41, 73, 0.1);
}

.promo-speaking-shot--left {
    margin-right: -44px;
    transform-origin: right center;
    transform: translateY(18px) rotateY(-24deg) rotateZ(-2deg);
    z-index: 1;
    box-shadow: 0 10px 20px rgba(25, 41, 73, 0.16);
}

.promo-speaking-shot--center {
    width: clamp(108px, 8.54vw, 147px);
    transform: translateY(18px) rotateY(0deg);
    z-index: 5;
    box-shadow: 0 18px 34px rgba(25, 41, 73, 0.24), 0 4px 10px rgba(25, 41, 73, 0.12);
}

.promo-speaking-shot--right {
    margin-left: -44px;
    transform-origin: left center;
    transform: translateY(18px) rotateY(24deg) rotateZ(2deg);
    z-index: 2;
    box-shadow: 0 10px 20px rgba(25, 41, 73, 0.16);
}

.promo-tab-panel--speaking .promo-headline-group,
.promo-tab-panel--speaking .promo-body {
    max-width: none;
    text-align: right;
    margin-left: auto;
    margin-right: 0;
}

.promo-tab-panel--speaking .promo-headline {
    display: inline-flex;
    align-items: flex-end;
    gap: 0.18em;
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    color: #3b4556;
    font-weight: 900;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.promo-tab-panel--speaking .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
    line-height: 1.24;
    font-weight: 800;
    color: #3b4556;
}

.promo-tab-panel--speaking .promo-body {
    font-size: 1.12rem;
    line-height: 1.78;
}

.promo-tab-panel--speaking .promo-body p {
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
}

.promo-tab-panel--speaking .promo-body > p:first-child {
    margin-top: 50px;
}

.promo-tab-panel--speaking .promo-body ul {
    margin-right: 0;
    margin-left: auto;
}

.promo-tab-panel--speaking .promo-body li {
    text-align: right;
    padding-left: 0;
    padding-right: 1.1rem;
}

.promo-tab-panel--speaking .promo-body li::before {
    left: auto;
    right: 0;
}

.promo-tab-panel--room .promo-panel-layout {
    display: flex;
    align-items: flex-start;
    gap: 26px;
    width: 100%;
    max-width: none;
    margin: 0;
}

.promo-tab-panel--room .promo-panel-title,
.promo-tab-panel--beginner .promo-panel-title,
.promo-tab-panel--comment .promo-panel-title,
.promo-tab-panel--review-game .promo-panel-title {
    display: inline-flex;
    align-items: flex-end;
    margin: 0 0 18px;
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #3b4556;
}

.promo-tab-panel--room .promo-panel-title {
    display: flex;
    justify-content: flex-start;
    width: calc(100% - 346px);
    margin-left: auto;
    margin-right: 0;
    text-align: left;
}

.promo-tab-panel--room .promo-headline-group,
.promo-tab-panel--room .promo-body {
    margin-left: 0;
    margin-right: auto;
}

.promo-tab-panel--beginner .promo-panel-title,
.promo-tab-panel--comment .promo-panel-title {
    display: flex;
    justify-content: flex-end;
    width: calc(100% - 326px);
    margin-left: 0;
    margin-right: auto;
    text-align: right;
}

.promo-tab-panel--comment .promo-panel-title {
    width: calc(100% - 306px);
    margin-left: auto;
    margin-right: 0;
    justify-content: flex-start;
    text-align: left;
}

.promo-tab-panel--room .promo-headline,
.promo-tab-panel--beginner .promo-headline,
.promo-tab-panel--comment .promo-headline,
.promo-tab-panel--review-game .promo-headline {
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    line-height: 1.12;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #3b4556;
}

.promo-tab-panel--room .promo-headline {
    font-size: clamp(1.6rem, 2.7vw, 2.25rem);
    line-height: 1.12;
    font-weight: 900;
}


.promo-tab-panel--room .promo-subheadline,
.promo-tab-panel--beginner .promo-subheadline,
.promo-tab-panel--comment .promo-subheadline,
.promo-tab-panel--review-game .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
    line-height: 1.24;
    font-weight: 800;
    color: #3b4556;
}

.promo-tab-panel--room .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
}

.promo-tab-panel--room .promo-body,
.promo-tab-panel--beginner .promo-body,
.promo-tab-panel--comment .promo-body,
.promo-tab-panel--review-game .promo-body {
    font-size: 1.12rem;
    line-height: 1.78;
}

.promo-tab-panel--room .promo-body > p:first-child,
.promo-tab-panel--beginner .promo-body > p:first-child,
.promo-tab-panel--comment .promo-body > p:first-child,
.promo-tab-panel--review-game .promo-body > p:first-child {
    font-size: 1.24rem;
    font-weight: 700;
    margin-top: 50px;
}

.promo-tab-panel--room .promo-panel-media {
    flex: 0 0 224px;
}

.promo-tab-panel--room .promo-panel-media img {
    width: 224px;
    height: 224px;
    border-radius: 9999px;
    object-fit: cover;
    display: block;
}

.promo-tab-panel--room .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--room .promo-headline-group,
.promo-tab-panel--room .promo-body {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.promo-tab-panel--room .promo-body > p:first-child,
.promo-tab-panel--beginner .promo-body > p:first-child,
.promo-tab-panel--review-game .promo-body > p:first-child {
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
}

.promo-tab-panel--beginner .promo-panel-layout {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
    max-width: none;
    margin: 0;
}

.promo-tab-panel--beginner .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--beginner .promo-panel-media {
    flex: 0 0 266px;
    display: flex;
    justify-content: flex-end;
    margin-right: -100px;
}

.promo-tab-panel--beginner .promo-panel-media img {
    width: 266px;
    height: 266px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.promo-tab-panel--beginner .promo-headline-group,
.promo-tab-panel--beginner .promo-body {
    max-width: none;
    text-align: right;
    margin-left: auto;
    margin-right: 0;
}

.promo-tab-panel--beginner .promo-subheadline {
    font-size: clamp(1.22rem, 2vw, 1.72rem);
}

.promo-tab-panel--comment .promo-subheadline {
    font-size: clamp(1.48rem, 2.45vw, 2.06rem);
}

.promo-tab-panel--beginner .promo-body ul {
    margin-right: 0;
    margin-left: auto;
}

.promo-tab-panel--beginner .promo-body li {
    text-align: right;
    padding-left: 0;
    padding-right: 1.1rem;
}

.promo-tab-panel--beginner .promo-body li::before {
    left: auto;
    right: 0;
}

.promo-tab-panel--comment .promo-panel-layout {
    display: flex;
    align-items: flex-start;
    gap: 26px;
    width: 100%;
    max-width: none;
    margin: 0;
}

.promo-tab-panel--comment .promo-panel-media {
    flex: 0 0 320px;
}

.promo-tab-panel--comment .promo-panel-media.scroll-ground-reveal {
    transform-origin: center bottom;
}

.promo-panel-media.scroll-ground-reveal {
    transform-origin: center bottom;
}

.promo-panel-media.scroll-clock-wipe {
    position: relative;
    transform-origin: center center;
}

.promo-clock-wipe-visual {
    position: relative;
    display: inline-block;
    line-height: 0;
}

.promo-clock-wipe-visual > img {
    -webkit-mask-image: conic-gradient(from -90deg, #000 0deg 360deg);
    mask-image: conic-gradient(from -90deg, #000 0deg 360deg);
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

.promo-tab-panel--comment .promo-panel-media img {
    width: 320px;
    height: 320px;
    border-radius: 0;
    object-fit: contain;
    display: block;
}

.promo-tab-panel--schedule-control .promo-panel-media {
    flex: 0 0 clamp(210px, 22vw, 270px);
}

.promo-tab-panel--schedule-control .promo-panel-media img {
    width: min(100%, 240px);
    height: auto;
    border-radius: 0;
    object-fit: contain;
}

.promo-tab-panel--comment .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--comment .promo-headline-group,
.promo-tab-panel--comment .promo-body {
    max-width: none;
    text-align: left;
    margin-left: 0;
    margin-right: auto;
}

.promo-tab-panel--comment .promo-body > p:first-child {
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
}

.promo-tab-panel--comment .promo-body li {
    font-size: 1.28rem;
}

.promo-tab-panel--comment .promo-body ul {
    margin-right: auto;
    margin-left: 0;
}

.promo-tab-panel--comment .promo-body li {
    text-align: left;
    padding-left: 1.1rem;
    padding-right: 0;
}

.promo-tab-panel--comment .promo-body li::before {
    left: 0;
    right: auto;
}

.promo-tab-panel--review-game .promo-panel-layout {
    display: flex;
    align-items: center;
    gap: 32px;
    width: 100%;
    max-width: none;
    margin: 0;
}

.promo-tab-panel--review-game .promo-panel-title {
    width: calc(100% - clamp(352px, calc(30vw + 32px), 442px));
    margin-left: 0;
    margin-right: auto;
    justify-content: flex-end;
    text-align: right;
}

.promo-tab-panel--review-game .promo-panel-content {
    flex: 1;
    min-width: 0;
}

.promo-tab-panel--review-game .promo-headline-group,
.promo-tab-panel--review-game .promo-body {
    max-width: none;
    text-align: right;
    margin-left: auto;
    margin-right: 0;
}

.promo-tab-panel--review-game .promo-body ul {
    margin-right: 0;
    margin-left: auto;
}

.promo-tab-panel--review-game .promo-body li {
    text-align: right;
    padding-left: 0;
    padding-right: 1.1rem;
}

.promo-tab-panel--review-game .promo-body li::before {
    left: auto;
    right: 0;
}

.promo-tab-panel--review-game .promo-panel-media {
    flex: 0 0 clamp(320px, 30vw, 410px);
    display: flex;
    justify-content: flex-end;
    align-self: center;
}

.promo-review-keywords {
    position: relative;
    width: min(100%, 350px);
    height: 290px;
    transform: translateY(20px);
}

.promo-tab-panel--direct-center .promo-panel-media {
    display: flex;
    justify-content: flex-end;
    align-self: center;
}

.promo-tab-panel--direct-center .promo-panel-media img {
    width: min(100%, 400px);
    height: auto;
    display: block;
    object-fit: contain;
    border-radius: 28px;
}

.promo-tab-panel--direct-center .promo-body p + p {
    margin-top: 12px;
}

.promo-review-keyword {
    position: absolute;
    display: inline-block;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    white-space: nowrap;
    text-shadow: 3px 4px 0 rgba(72, 86, 110, 0.34), 0 0 1px rgba(31, 47, 77, 0.22);
}

.promo-review-keyword--review {
    top: 50%;
    left: 50%;
    right: auto;
    font-size: clamp(3.6rem, 5.4vw, 4.9rem);
    color: transparent;
    -webkit-text-stroke: 1px #101010;
    text-stroke: 1px #101010;
    background: transparent;
    padding: 0;
    border: 0;
    border-radius: 0;
    text-shadow: none;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.promo-review-keyword--game {
    top: 6%;
    right: 1%;
    left: auto;
    font-size: clamp(2.9rem, 4.5vw, 3.9rem);
    color: #5fbc4f;
    transform: none;
}

.promo-review-keyword--record {
    top: 2%;
    left: 4%;
    font-size: clamp(1.68rem, 2.6vw, 2.2rem);
    color: #4fc3f7;
    transform: rotate(-10deg);
}

.promo-review-keyword--avatar {
    top: 34%;
    right: 2%;
    font-size: clamp(2rem, 3vw, 2.6rem);
    color: #f06292;
    transform: rotate(4deg);
}

.promo-review-keyword--core {
    top: 44%;
    left: 0;
    font-size: clamp(2rem, 3vw, 2.55rem);
    color: #7e57c2;
    transform: rotate(-8deg);
}

.promo-review-keyword--fun {
    bottom: 12%;
    right: 22%;
    font-size: clamp(1.9rem, 2.8vw, 2.4rem);
    color: #ff8a65;
    transform: rotate(7deg);
}

.promo-review-keyword--focus {
    bottom: 0;
    left: 8%;
    font-size: clamp(2rem, 3vw, 2.6rem);
    color: #ffd54f;
    transform: rotate(-5deg);
}

.promo-review-keyword--pattern {
    top: 24%;
    left: 30%;
    font-size: clamp(1.4rem, 2.2vw, 1.95rem);
    color: #5ec0b4;
    transform: rotate(6deg);
}

.promo-review-keyword--speaking {
    top: 62%;
    right: 0;
    font-size: clamp(1.42rem, 2.2vw, 1.98rem);
    color: #8d6eff;
    transform: rotate(-6deg);
}

.promo-review-keyword--apply {
    bottom: 24%;
    left: 34%;
    font-size: clamp(1.38rem, 2.1vw, 1.88rem);
    color: #36b2a6;
    transform: rotate(5deg);
}

.promo-panel-title {
    margin: 0 0 10px;
    font-size: 0.98rem;
    color: #46608b;
    font-weight: 900;
    letter-spacing: -0.01em;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.promo-headline-group {
    margin-bottom: 16px;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.promo-headline {
    margin: 0;
    font-size: clamp(1.18rem, 1.78vw, 1.65rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
    font-weight: 900;
    color: #1e2b42;
}

.promo-index-mark {
    display: inline-block;
    margin-right: 20px;
    font-size: 2.15em;
    line-height: 0.72;
    font-style: italic;
    font-weight: 900;
    color: rgb(101, 184, 89);
    letter-spacing: -0.04em;
    vertical-align: -0.2em;
}

/* Unified 01-08 promo headline & index-mark styles across all panels */
.promo-tab-panel--smart-alert .promo-headline,
.promo-tab-panel--app-showcase .promo-headline,
.promo-tab-panel--app-alert .promo-headline,
.promo-tab-panel--speaking .promo-headline,
.promo-tab-panel--room .promo-headline,
.promo-tab-panel--beginner .promo-headline,
.promo-tab-panel--comment .promo-headline,
.promo-tab-panel--review-game .promo-headline,
.promo-tab-panel--schedule-control .promo-headline,
.promo-tab-panel--direct-center .promo-headline {
    font-size: clamp(1.95rem, 3.3vw, 2.7rem);
    color: #3b4556;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.18;
    display: inline-flex;
    align-items: flex-end;
    gap: 0.08em;
    white-space: normal;
}
.promo-tab-panel--smart-alert .promo-headline .promo-index-mark,
.promo-tab-panel--app-showcase .promo-headline .promo-index-mark,
.promo-tab-panel--app-alert .promo-headline .promo-index-mark,
.promo-tab-panel--speaking .promo-headline .promo-index-mark,
.promo-tab-panel--room .promo-headline .promo-index-mark,
.promo-tab-panel--beginner .promo-headline .promo-index-mark,
.promo-tab-panel--comment .promo-headline .promo-index-mark,
.promo-tab-panel--review-game .promo-headline .promo-index-mark,
.promo-tab-panel--schedule-control .promo-headline .promo-index-mark,
.promo-tab-panel--direct-center .promo-headline .promo-index-mark {
    display: inline-block;
    position: static;
    margin-right: 20px;
    font-size: 2.15em;
    line-height: 0.72;
    font-style: italic;
    font-weight: 900;
    color: rgb(101, 184, 89);
    letter-spacing: -0.04em;
    vertical-align: -0.2em;
    width: auto;
    top: auto;
    left: auto;
}

.promo-subheadline {
    margin: 10px 0 0;
    font-size: clamp(1.04rem, 1.5vw, 1.28rem);
    font-weight: 800;
    line-height: 1.45;
    color: #1e88e5;
}

.promo-body {
    font-size: 0.97rem;
    line-height: 1.75;
    color: #4b5b75;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.promo-body p {
    margin: 0 0 11px;
}

.promo-body ul {
    margin: 0 0 12px;
    padding-left: 0;
    list-style: none;
}

.promo-body li {
    margin-bottom: 6px;
    padding-left: 1.1rem;
    position: relative;
}

.promo-body li::before {
    content: "·";
    position: absolute;
    left: 0;
    top: -1px;
    font-size: 1.4em;
    font-weight: 700;
    color: inherit;
}

@media (max-width: 768px) {
    .promo-tabs {
        padding: 0;
        border-radius: 0;
    }

    .promo-tab-controls {
        display: flex;
        overflow-x: visible;
        gap: 6px;
        margin-bottom: 12px;
        padding-bottom: 2px;
        position: relative;
    }

    .promo-tab-controls::-webkit-scrollbar {
        height: 6px;
    }

    .promo-tab-controls::-webkit-scrollbar-thumb {
        background: #c7d5ee;
        border-radius: 999px;
    }

    .promo-tab-btn {
        flex: 1 1 0;
        white-space: normal;
        font-size: 0.78rem;
        padding: 8px 4px 10px;
    }

    .promo-tab-panel {
        padding: 0;
    }

    .promo-tab-panel.promo-tab-panel--smart-alert {
        margin-top: 64px;
        padding: 0;
    }

    .promo-tab-panel--app-alert .promo-panel-layout {
        width: 100%;
        margin: 0;
    }

    .promo-panel-layout--smart-alert {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-panel-media--smart-alert {
        flex: 0 0 auto;
    }

    .promo-panel-media--smart-alert img {
        width: 178px;
        height: 178px;
    }

    .promo-tab-panel--smart-alert .promo-headline {
        font-size: 1.45rem;
        color: #3b4556;
        white-space: normal;
    }

    .promo-tab-panel--smart-alert .promo-subheadline {
        font-size: 1.34rem;
        line-height: 1.24;
        color: #3b4556;
    }

    .promo-tab-panel--smart-alert .promo-body {
        font-size: 1.02rem;
        line-height: 1.7;
    }

    .promo-tab-panel--smart-alert .promo-body > p:first-child {
        font-size: 1.1rem;
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
        margin-top: 32px;
    }

    .promo-headline {
        font-size: 0.98rem;
    }

    .promo-subheadline {
        font-size: 0.98rem;
    }

    .promo-body {
        font-size: 0.91rem;
        line-height: 1.65;
    }

    .promo-benefit-split {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .promo-benefit-split::before {
        display: none;
    }

    .promo-benefit-column {
        padding: 14px;
    }

    .promo-tab-panel--room .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
    }

    .promo-tab-panel--room .promo-panel-title,
    .promo-tab-panel--beginner .promo-panel-title,
    .promo-tab-panel--comment .promo-panel-title,
    .promo-tab-panel--review-game .promo-panel-title {
        font-size: 2.1rem;
        margin-bottom: 12px;
        width: 100%;
    }

    .promo-tab-panel--smart-alert .promo-headline,
    .promo-tab-panel--app-showcase .promo-headline,
    .promo-tab-panel--app-alert .promo-headline,
    .promo-tab-panel--speaking .promo-headline,
    .promo-tab-panel--room .promo-headline,
    .promo-tab-panel--beginner .promo-headline,
    .promo-tab-panel--comment .promo-headline,
    .promo-tab-panel--review-game .promo-headline,
    .promo-tab-panel--schedule-control .promo-headline,
    .promo-tab-panel--direct-center .promo-headline {
        font-size: 1.75rem;
        color: #3b4556;
        line-height: 1.18;
    }

    .promo-tab-panel--room .promo-subheadline,
    .promo-tab-panel--beginner .promo-subheadline,
    .promo-tab-panel--comment .promo-subheadline,
    .promo-tab-panel--review-game .promo-subheadline {
        font-size: 1.34rem;
        line-height: 1.24;
        color: #3b4556;
    }

    .promo-tab-panel--room .promo-body,
    .promo-tab-panel--beginner .promo-body,
    .promo-tab-panel--comment .promo-body,
    .promo-tab-panel--review-game .promo-body {
        font-size: 1.02rem;
        line-height: 1.7;
    }

    .promo-tab-panel--comment .promo-body > p:first-child,
    .promo-tab-panel--room .promo-body > p:first-child,
    .promo-tab-panel--beginner .promo-body > p:first-child,
    .promo-tab-panel--review-game .promo-body > p:first-child {
        font-size: 1.1rem;
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel.promo-tab-panel--beginner,
    .promo-tab-panel.promo-tab-panel--comment,
    .promo-tab-panel.promo-tab-panel--review-game {
        margin-top: 72px;
    }

    .promo-tab-panel.promo-tab-panel--speaking {
        margin-top: 72px;
        margin-bottom: 72px;
    }

    .promo-tab-panel--speaking .promo-panel-layout {
        flex-direction: column-reverse;
        align-items: flex-end;
        gap: 14px;
    }

    .promo-tab-panel--speaking .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--speaking .promo-panel-media {
        flex: 0 0 auto;
        width: min(100%, 252px);
    }

    .promo-tab-panel--speaking .promo-headline {
        font-size: 2.1rem;
        color: #3b4556;
        white-space: normal;
    }

    .promo-speaking-panorama {
        width: min(100%, 238px);
        justify-content: center;
        transform: translateY(-12px);
    }

    .promo-speaking-shot {
        width: clamp(74px, 21vw, 104px);
    }

    .promo-speaking-shot--center {
        width: clamp(83px, 23.8vw, 115px);
        transform: translateY(10px) rotateY(0deg);
        z-index: 5;
    }

    .promo-speaking-shot--left {
        margin-right: -28px;
        transform: translateY(10px) rotateY(-18deg) rotateZ(-1.5deg);
    }

    .promo-speaking-shot--right {
        margin-left: -28px;
        transform: translateY(10px) rotateY(18deg) rotateZ(1.5deg);
    }

    .promo-tab-panel--speaking .promo-subheadline {
        font-size: 1.34rem;
        line-height: 1.24;
        color: #3b4556;
    }

    .promo-tab-panel--speaking .promo-body {
        font-size: 1.02rem;
        line-height: 1.7;
    }

    .promo-tab-panel--speaking .promo-body p {
        font-size: 1.1rem;
        line-height: 1.3;
        font-weight: 500;
        color: #3b4556;
    }

    .promo-tab-panel--app-showcase .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--app-showcase .promo-panel-content {
        flex: 1 1 auto;
        max-width: none;
        min-width: 0;
        width: 100%;
        text-align: left;
        margin-left: 0;
        transform: none;
    }

    .promo-tab-panel--app-showcase .promo-panel-title,
    .promo-tab-panel--app-showcase .promo-headline-group,
    .promo-tab-panel--app-showcase .promo-body {
        text-align: left;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--app-showcase .promo-headline {
        font-size: 2.1rem;
        color: #3b4556;
        white-space: normal;
    }

    .promo-tab-panel--app-showcase .promo-subheadline {
        font-size: 1.34rem;
        line-height: 1.24;
        color: #3b4556;
    }

    .promo-tab-panel--app-showcase .promo-body {
        font-size: 1.02rem;
        line-height: 1.7;
        padding-bottom: 0;
    }

    .promo-tab-panel--app-showcase .promo-body>p:first-child {
        font-size: 1.1rem;
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
        margin-top: 32px;
    }

    .promo-tab-panel--app-showcase .promo-body ul {
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--app-showcase .promo-body li {
        text-align: left;
        padding-right: 0;
        padding-left: 1.1rem;
    }

    .promo-tab-panel--app-showcase .promo-body li::before {
        right: auto;
        left: 0;
    }

    .promo-tab-panel--app-showcase .promo-panel-media {
        flex: 0 0 auto;
        width: 100%;
        justify-content: center;
    }

    .promo-appshot-list {
        width: min(100%, 328px);
        margin: 0 auto;
    }

    .promo-appshot-pc {
        width: 100%;
        max-width: 328px;
        transform: none;
    }

    .promo-appshot-app {
        width: 34%;
        max-width: 115px;
        min-width: 64px;
        margin-left: -10%;
        margin-bottom: 0;
        transform: none;
    }

    .promo-tab-panel--room .promo-panel-media {
        flex: 0 0 auto;
    }

    .promo-tab-panel--room .promo-panel-media img {
        width: 168px;
        height: 168px;
    }

    .promo-tab-panel--beginner .promo-panel-layout {
        flex-direction: column;
        align-items: flex-end;
        gap: 14px;
    }

    .promo-tab-panel--beginner .promo-panel-media {
        flex: 0 0 auto;
        justify-content: flex-end;
        width: 100%;
    }

    .promo-tab-panel--beginner .promo-panel-media img {
        width: 224px;
        height: 224px;
    }

    .promo-tab-panel--comment .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--comment .promo-panel-media {
        flex: 0 0 auto;
    }

    .promo-tab-panel--comment .promo-panel-media img {
        width: 220px;
        height: 220px;
    }

    .promo-tab-panel--review-game .promo-panel-layout {
        flex-direction: column-reverse;
        align-items: flex-end;
        gap: 16px;
    }

    .promo-tab-panel--review-game .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--review-game .promo-panel-media {
        flex: 0 0 auto;
        width: min(100%, 330px);
    }

    .promo-tab-panel--direct-center .promo-panel-media {
        width: min(100%, 330px);
    }

    .promo-tab-panel--direct-center .promo-panel-media img {
        width: min(100%, 330px);
        border-radius: 24px;
    }

    .promo-review-keywords {
        width: min(100%, 282px);
        height: 240px;
        transform: translateY(-40px);
    }

    .promo-review-keyword--review {
        font-size: clamp(2.7rem, 11vw, 3.3rem);
    }

    .promo-review-keyword--game {
        font-size: clamp(2.2rem, 8vw, 3rem);
        top: 4%;
        right: 3%;
        left: auto;
    }

    .promo-review-keyword--record,
    .promo-review-keyword--core,
    .promo-review-keyword--fun {
        font-size: 1.66rem;
    }

    .promo-review-keyword--avatar,
    .promo-review-keyword--focus {
        font-size: 1.72rem;
    }

    .promo-review-keyword--pattern,
    .promo-review-keyword--speaking,
    .promo-review-keyword--apply {
        font-size: 1.3rem;
    }

    /* Mobile: center and scale up 01~07 feature contents */
    .promo-panel-layout--smart-alert,
    .promo-tab-panel--room .promo-panel-layout,
    .promo-tab-panel--speaking .promo-panel-layout,
    .promo-tab-panel--app-showcase .promo-panel-layout,
    .promo-tab-panel--beginner .promo-panel-layout,
    .promo-tab-panel--comment .promo-panel-layout,
    .promo-tab-panel--review-game .promo-panel-layout {
        align-items: center;
    }

    .promo-tab-panel .promo-panel-title,
    .promo-tab-panel .promo-headline-group,
    .promo-tab-panel .promo-headline,
    .promo-tab-panel .promo-subheadline,
    .promo-tab-panel .promo-body {
        width: 100%;
        text-align: center;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .promo-tab-panel .promo-panel-title {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }

    .promo-tab-panel .promo-headline {
        font-size: clamp(1.42rem, 5.8vw, 2rem);
    }

    .promo-tab-panel .promo-subheadline {
        font-size: clamp(1.08rem, 4.5vw, 1.45rem);
    }

    .promo-tab-panel .promo-body {
        font-size: clamp(1rem, 3.7vw, 1.12rem);
        line-height: 1.72;
    }

    .promo-tab-panel .promo-panel-media {
        width: 100%;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .promo-tab-panel .promo-body ul {
        margin-left: auto;
        margin-right: auto;
        padding-left: 0;
    }

    .promo-tab-panel .promo-body li {
        padding-left: 0;
        text-align: center;
    }

    .promo-tab-panel .promo-body li::before {
        display: none;
    }

    .promo-review-keywords {
        margin-left: auto;
        margin-right: auto;
    }

    /* Mobile: 02 스마트 알림 - 텍스트 먼저, 이미지는 마지막 문구 아래 */
    .promo-panel-layout--smart-alert {
        flex-direction: column-reverse;
        align-items: flex-start;
    }

    .promo-tab-panel--smart-alert .promo-headline-group {
        --smart-alert-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--smart-alert-index-width) + 30px);
        margin-bottom: 14px;
        margin-left: 0;
        margin-right: 0;
        text-align: left;
    }

    .promo-tab-panel--smart-alert .promo-headline {
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        display: block;
        text-align: left;
    }

    .promo-tab-panel--smart-alert .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--smart-alert-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--smart-alert .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
    }

    .promo-tab-panel--smart-alert .promo-body,
    .promo-tab-panel--smart-alert .promo-body p,
    .promo-tab-panel--smart-alert .promo-body ul,
    .promo-tab-panel--smart-alert .promo-body li,
    .promo-tab-panel--smart-alert .promo-benefit-summary {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--smart-alert .promo-body li {
        padding-left: 1.1rem;
    }

    .promo-tab-panel--smart-alert .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--smart-alert .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--smart-alert .promo-panel-media--smart-alert {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--smart-alert .promo-panel-media--smart-alert img {
        width: clamp(203px, 56vw, 252px);
        height: auto;
    }

    /* Mobile: 01 앱·웹 통합 수업은 좌측 정렬 + 가독성 확대 */
    .promo-tab-panel--app-showcase .promo-panel-layout {
        align-items: flex-start;
    }

    .promo-tab-panel--app-showcase .promo-headline-group {
        --app-showcase-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--app-showcase-index-width) + 30px);
        margin-bottom: 14px;
    }

    .promo-tab-panel--app-showcase .promo-panel-title,
    .promo-tab-panel--app-showcase .promo-headline-group,
    .promo-tab-panel--app-showcase .promo-headline,
    .promo-tab-panel--app-showcase .promo-subheadline,
    .promo-tab-panel--app-showcase .promo-body {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--app-showcase .promo-headline {
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        display: block;
    }

    .promo-tab-panel--app-showcase .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--app-showcase-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--app-showcase .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
    }

    .promo-tab-panel--app-showcase .promo-body {
        font-size: 1rem;
        line-height: 1.75;
    }

    .promo-tab-panel--app-showcase .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--app-showcase .promo-body ul {
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
    }

    .promo-tab-panel--app-showcase .promo-body li {
        text-align: left;
        padding-left: 1.1rem;
        font-size: 1rem;
    }

    .promo-tab-panel--app-showcase .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--app-showcase .promo-panel-media {
        display: flex;
        width: 100%;
        justify-content: center;
        align-items: flex-end;
        margin: 12px auto 0;
    }

    .promo-tab-panel--app-showcase .promo-appshot-list {
        margin-left: auto;
        margin-right: auto;
        justify-content: center;
    }

    /* Mobile: 03 말하기 - 문구는 02와 동일한 좌측 레이아웃, 이미지는 본문 아래 */
    .promo-tab-panel--speaking .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--speaking .promo-headline-group {
        --speaking-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--speaking-index-width) + 50px);
        margin-bottom: 14px;
        margin-left: 0;
        margin-right: 0;
        text-align: left;
    }

    .promo-tab-panel--speaking .promo-headline {
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        display: block;
        text-align: left;
    }

    .promo-tab-panel--speaking .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--speaking-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--speaking .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
    }

    .promo-tab-panel--speaking .promo-body,
    .promo-tab-panel--speaking .promo-body p,
    .promo-tab-panel--speaking .promo-body ul,
    .promo-tab-panel--speaking .promo-body li {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--speaking .promo-body p {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        line-height: 1.3;
        font-weight: 500;
        color: #3b4556;
    }

    .promo-tab-panel--speaking .promo-body li {
        padding-left: 1.1rem;
        font-size: 1rem;
    }

    .promo-tab-panel--speaking .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--speaking .promo-panel-media {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--speaking .promo-speaking-panorama {
        width: min(100%, 273px);
        justify-content: center;
        transform: translateY(-6px);
    }

    .promo-tab-panel--speaking .promo-speaking-shot {
        width: clamp(85px, 23.8vw, 118px);
    }

    .promo-tab-panel--speaking .promo-speaking-shot--center {
        width: clamp(98px, 26.6vw, 132px);
        transform: translateY(8px) rotateY(0deg);
    }

    .promo-tab-panel--speaking .promo-speaking-shot--left {
        margin-right: -24px;
    }

    .promo-tab-panel--speaking .promo-speaking-shot--right {
        margin-left: -24px;
    }

    /* Mobile: 04 원어민 실전 회화연습 - 03과 동일한 헤더 구조 */
    .promo-tab-panel--room .promo-headline-group {
        --room-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--room-index-width) + 50px);
        margin: 0 0 14px;
        margin-left: 0;
        margin-right: 0;
        text-align: left;
    }

    .promo-tab-panel--room .promo-headline {
        margin: 0;
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        line-height: 1.12;
        text-align: left;
        display: block;
    }

    .promo-tab-panel--room .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--room-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--room .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
    }

    .promo-tab-panel--room .promo-panel-layout {
        flex-direction: column-reverse;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--room .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--room .promo-headline-group,
    .promo-tab-panel--room .promo-headline,
    .promo-tab-panel--room .promo-body,
    .promo-tab-panel--room .promo-body p,
    .promo-tab-panel--room .promo-body ul,
    .promo-tab-panel--room .promo-body li {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--room .promo-body li {
        padding-left: 1.1rem;
        font-size: 1rem;
    }

    .promo-tab-panel--room .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--room .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--room .promo-panel-media {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--room .promo-panel-media img {
        width: clamp(196px, 54.6vw, 252px);
        height: auto;
    }

    /* Mobile: 05 왕초보 - 03/04와 동일한 레이아웃 */
    .promo-tab-panel--beginner .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--beginner .promo-headline-group {
        --beginner-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--beginner-index-width) + 50px);
        margin: 0 0 14px;
        text-align: left;
    }

    .promo-tab-panel--beginner .promo-headline {
        margin: 0;
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        line-height: 1.12;
        text-align: left;
        display: block;
    }

    .promo-tab-panel--beginner .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--beginner-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--beginner .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
    }

    .promo-tab-panel--beginner .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--beginner .promo-body,
    .promo-tab-panel--beginner .promo-body p,
    .promo-tab-panel--beginner .promo-body ul,
    .promo-tab-panel--beginner .promo-body li {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--beginner .promo-body li {
        padding-left: 1.1rem;
        font-size: 1rem;
    }

    .promo-tab-panel--beginner .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--beginner .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--beginner .promo-panel-media {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--beginner .promo-panel-media img {
        width: clamp(238px, 63vw, 308px);
        height: auto;
        border-radius: 34px;
        object-fit: cover;
    }

    /* Mobile: 06 코멘트 - 03/04와 동일한 레이아웃 */
    .promo-tab-panel--comment .promo-panel-layout {
        flex-direction: column-reverse;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--comment .promo-headline-group {
        --comment-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--comment-index-width) + 50px);
        margin: 0 0 14px;
        text-align: left;
    }

    .promo-tab-panel--comment .promo-headline {
        margin: 0;
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        line-height: 1.12;
        text-align: left;
        display: block;
    }

    .promo-tab-panel--comment .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--comment-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--comment .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
        white-space: normal;
        display: block;
        width: 100%;
        word-break: keep-all;
        overflow-wrap: anywhere;
    }

    .promo-tab-panel--comment .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--comment .promo-body,
    .promo-tab-panel--comment .promo-body p,
    .promo-tab-panel--comment .promo-body ul,
    .promo-tab-panel--comment .promo-body li {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--comment .promo-body li {
        padding-left: 1.1rem;
        font-size: 1.16rem;
    }

    .promo-tab-panel--comment .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--comment .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--comment .promo-panel-media {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--comment .promo-panel-media img {
        width: clamp(300px, 84vw, 390px);
        height: auto;
        border-radius: 34px;
        object-fit: cover;
    }

    .promo-tab-panel--schedule-control .promo-panel-media img {
        width: clamp(200px, 58vw, 260px);
        height: auto;
        border-radius: 0;
        object-fit: contain;
    }

    /* Mobile: 07 복습게임 - 05/06과 동일한 레이아웃 */
    .promo-tab-panel--review-game .promo-panel-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .promo-tab-panel--review-game .promo-headline-group {
        --review-index-width: clamp(64px, 18vw, 96px);
        position: relative;
        padding-left: calc(var(--review-index-width) + 50px);
        margin: 0 0 14px;
        text-align: left;
    }

    .promo-tab-panel--review-game .promo-headline {
        margin: 0;
        font-size: clamp(1.72rem, 7vw, 2.4rem);
        line-height: 1.12;
        text-align: left;
        display: block;
        white-space: normal;
    }

    .promo-tab-panel--review-game .promo-headline .promo-index-mark {
        position: absolute;
        left: 0;
        top: 0.04em;
        margin-right: 0;
        font-size: clamp(4.6rem, 20vw, 6rem);
        width: var(--review-index-width);
        text-align: left;
        line-height: 0.88;
    }

    .promo-tab-panel--review-game .promo-subheadline {
        font-size: clamp(1.12rem, 4.6vw, 1.42rem);
        margin-top: 6px;
        text-align: left;
        white-space: normal;
        width: 100%;
    }

    .promo-tab-panel--review-game .promo-panel-content {
        width: 100%;
    }

    .promo-tab-panel--review-game .promo-body,
    .promo-tab-panel--review-game .promo-body p,
    .promo-tab-panel--review-game .promo-body ul,
    .promo-tab-panel--review-game .promo-body li {
        text-align: left;
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
    }

    .promo-tab-panel--review-game .promo-body li {
        padding-left: 1.1rem;
        font-size: 1rem;
    }

    .promo-tab-panel--review-game .promo-body > p:first-child {
        font-size: clamp(0.96rem, 3.6vw, 1.16rem);
        font-weight: 500;
        line-height: 1.3;
        color: #3b4556;
    }

    .promo-tab-panel--review-game .promo-body li::before {
        display: block;
        left: 0;
        right: auto;
    }

    .promo-tab-panel--review-game .promo-panel-media {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 14px;
    }

    .promo-tab-panel--review-game .promo-review-keywords {
        width: clamp(330px, 88vw, 420px);
        height: 330px;
        transform: none;
        margin: 0 auto;
    }

    /* Mobile: 01~07 숫자 헤드라인 블럭을 위 항목과 더 띄우기 */
    .promo-tab-panel--app-showcase .promo-headline-group,
    .promo-tab-panel--smart-alert .promo-headline-group,
    .promo-tab-panel--speaking .promo-headline-group,
    .promo-tab-panel--room .promo-headline-group,
    .promo-tab-panel--beginner .promo-headline-group,
    .promo-tab-panel--comment .promo-headline-group,
    .promo-tab-panel--review-game .promo-headline-group {
        margin-top: 80px;
    }
}

/* ===== Reviews Section ===== */
.reviews-grid {
    position: relative;
}

.reviews-slider-viewport {
    width: 100%;
    overflow: hidden;
}

.reviews-slider-track {
    display: flex;
    transition: transform 0.6s ease;
    will-change: transform;
}

.reviews-slider-page {
    min-width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.reviews-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
}

.reviews-dot {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 999px;
    background: #c4cddd;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.reviews-dot.active {
    background: #5f68ff;
    transform: scale(1.18);
    box-shadow: 0 0 0 3px rgba(95, 104, 255, 0.18);
}

.review-loading {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #d7dbe3;
    color: #5b667a;
    font-weight: 700;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.45);
}

.review-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid #E5E7EB;
    transition: box-shadow var(--transition-normal);
    opacity: 1;
    transform: none;
}

.review-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.review-card--slide {
    min-height: 300px;
    border-radius: 22px;
    border: 1px solid #d8dee8;
    opacity: 1;
    transform: none;
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-card--slide:hover {
    transform: translateY(-3px);
}

.review-text--slide {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.62;
    color: #303948;
    text-align: center;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.review-meta {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.review-meta-name {
    font-size: 1rem;
    font-weight: 800;
    color: #2f3744;
}

.review-meta-summary {
    font-size: 0.9rem;
    color: #7a8393;
    font-weight: 600;
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.review-user {
    flex: 1;
}

.review-user h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.review-user span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.review-rating {
    color: #FFC107;
    font-size: 0.85rem;
}

.review-text {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Testimonials Section (best review + rolling cards) ===== */
#testimonials {
    background: rgb(243, 244, 245);
}

.section-header-testimonials {
    position: relative;
    z-index: 8;
    text-align: left;
    margin-bottom: 20px;
}

.section-header-testimonials h2 {
    position: relative;
    z-index: 2;
    display: inline-block;
    margin-bottom: 14px;
    text-align: left;
    line-height: 1.05;
}

.section-header-testimonials p {
    position: relative;
    z-index: 2;
    margin: 0 auto 0 0;
    max-width: none;
    text-align: left;
    font-size: clamp(1.2rem, 1.85vw, 1.6rem);
    font-weight: 500;
    line-height: 1.32;
    color: #3b4556;
}

.section-header-testimonials .system-header-dark {
    font-size: clamp(2.4rem, 5.2vw, 4.4rem);
    line-height: 1.05;
    color: #3b4556;
    opacity: 1;
    mix-blend-mode: normal;
    -webkit-text-fill-color: #3b4556;
}

.section-header-testimonials .system-header-accent {
    display: inline-block;
    font-size: clamp(2.4rem, 5.2vw, 4.4rem);
    line-height: 1.05;
    color: #1e9bff;
    opacity: 1;
    mix-blend-mode: normal;
    -webkit-text-fill-color: #1e9bff;
    transform-origin: left center;
    will-change: font-size;
}

.testimonials-layout {
    position: relative;
}

.testimonials-scene {
    --testimonial-scroll-lift: 200px;
    position: relative;
    min-height: clamp(500px, 48vw, 640px);
    overflow: visible;
    isolation: isolate;
}

.testimonial-stage {
    position: relative;
    width: 100%;
    height: calc(clamp(500px, 48vw, 640px) + var(--testimonial-scroll-lift));
    overflow: hidden;
    perspective: 300px;
    perspective-origin: 50% 50%;
    transform-style: preserve-3d;
    transform: translateY(calc(var(--testimonial-scroll-lift) * -1));
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.1) 7%, rgba(0, 0, 0, 0.48) 15%, rgba(0, 0, 0, 0.88) 23%, #000 30%, #000 74%, rgba(0, 0, 0, 0.88) 84%, rgba(0, 0, 0, 0.48) 92%, rgba(0, 0, 0, 0.1) 98%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.1) 7%, rgba(0, 0, 0, 0.48) 15%, rgba(0, 0, 0, 0.88) 23%, #000 30%, #000 74%, rgba(0, 0, 0, 0.88) 84%, rgba(0, 0, 0, 0.48) 92%, rgba(0, 0, 0, 0.1) 98%, transparent 100%);
}

.testimonial-stage .review-loading {
    width: min(520px, 100%);
    min-height: 180px;
    border: 1px dashed #d7dbe3;
    background: rgba(255, 255, 255, 0.55);
}

.testimonial-3d-scene {
    position: absolute;
    inset: 0;
    overflow: hidden;
    perspective: 420px;
    perspective-origin: 56% 56%;
    transform-style: preserve-3d;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.08) 5%, rgba(0, 0, 0, 0.34) 12%, rgba(0, 0, 0, 0.76) 22%, #000 31%, #000 100%);
    mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.08) 5%, rgba(0, 0, 0, 0.34) 12%, rgba(0, 0, 0, 0.76) 22%, #000 31%, #000 100%);
}

.testimonial-3d-plane {
    position: absolute;
    top: -240px;
    left: clamp(-140px, -7vw, -86px);
    display: flex;
    align-items: flex-start;
    gap: clamp(12px, 1.6vw, 20px);
    width: max-content;
    min-height: 1040px;
    transform: translateX(0) translateY(0) translateZ(-100px) rotateX(20deg) rotateY(-10deg) rotateZ(20deg);
    transform-style: flat;
}

.testimonial-marquee-column {
    --testimonial-card-width: clamp(184px, 15vw, 222px);
    --testimonial-card-gap: 18px;
    width: var(--testimonial-card-width);
    height: 1040px;
    overflow: hidden;
    opacity: 1;
    transform: none;
    transform-style: flat;
}

.testimonial-marquee-stack {
    display: flex;
    flex-direction: column;
    gap: var(--testimonial-card-gap);
    animation: testimonialMarqueeVertical var(--testimonial-marquee-duration, 62s) linear infinite;
    will-change: transform;
}

.testimonial-marquee-column--reverse .testimonial-marquee-stack {
    animation-direction: reverse;
}

@keyframes testimonialMarqueeVertical {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(-33.333%);
    }
}

.testimonial-card {
    position: relative;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 16px;
    padding: 14px 16px 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 158px;
    box-shadow: 0 20px 38px rgba(30, 41, 59, 0.11);
}

.testimonial-card--marquee {
    background: #ffffff;
    border-color: rgba(226, 232, 240, 0.58);
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.035);
    min-height: 168px;
    backdrop-filter: none;
    transform: none;
}

.testimonial-card--marquee .testimonial-card-meta {
    border-top-color: rgba(226, 232, 240, 0.58);
}

.testimonial-card--marquee[dir="rtl"] {
    text-align: right;
}

.testimonial-card--marquee[dir="rtl"] .testimonial-card-meta {
    align-items: flex-start;
}

.testimonial-card--marquee[dir="rtl"] .testimonial-card-name {
    width: 100%;
    text-align: right;
    unicode-bidi: isolate;
}

.testimonial-card-text {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #303948;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: keep-all;
}

.testimonial-card-meta {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-top: 1px solid #eef0f5;
    padding-top: 8px;
}

.testimonial-card-name {
    font-size: 0.9rem;
    font-weight: 800;
    color: #2f3744;
}

.testimonial-card-course {
    font-size: 0.8rem;
    color: #7a8393;
    font-weight: 600;
}

.testimonial-best {
    position: absolute;
    z-index: 6;
    top: 0;
    left: 0;
    right: auto;
    width: clamp(300px, 25vw, 390px);
    max-height: min(500px, calc(100% - 16px));
    background: linear-gradient(145deg, #ffffff, #f9fafc);
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 38px 90px rgba(15, 23, 42, 0.18), 0 10px 28px rgba(15, 23, 42, 0.08);
    transform: translateZ(72px);
    transform-origin: center left;
    rotate: 0deg;
}

.testimonial-best-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.testimonial-best-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid #d8dee8;
    color: #2f3744;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    border-radius: 999px;
    box-shadow: none;
}

.testimonial-best-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: #2f3744;
    letter-spacing: -0.01em;
}

.testimonial-best-text {
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.7;
    color: #303948;
    flex: 1;
    overflow: auto;
    word-break: keep-all;
}

.testimonial-best-meta {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #eef0f5;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.testimonial-best-name {
    font-size: 1rem;
    font-weight: 800;
    color: #2f3744;
}

.testimonial-best-course {
    font-size: 0.88rem;
    font-weight: 600;
    color: #7a8393;
}

@media (min-width: 1101px) {
    .testimonials-scene {
        margin-bottom: -150px;
    }

    .testimonial-stage {
        margin-left: -220px;
        width: calc(100% + 360px);
    }

    .testimonial-3d-plane {
        left: calc(clamp(-140px, -7vw, -86px) + 220px);
        min-height: 1320px;
    }

    .testimonial-marquee-column {
        height: 1320px;
    }
}

@media (max-width: 1100px) {
    .testimonials-scene {
        --testimonial-scroll-lift: 160px;
        --testimonial-scroll-viewport: 450px;
        min-height: 740px;
    }

    .testimonial-stage {
        width: 100%;
        height: calc(var(--testimonial-scroll-viewport) + var(--testimonial-scroll-lift));
    }

    .testimonial-3d-plane {
        top: -220px;
        left: 50%;
        transform: translateX(-56%) translateY(0) translateZ(-100px) rotateX(20deg) rotateY(-10deg) rotateZ(20deg);
    }

    .testimonial-best {
        top: auto;
        left: 50%;
        right: auto;
        bottom: 8px;
        width: min(92vw, 520px);
        max-height: 310px;
        transform: translateX(-50%) translateZ(40px);
    }
}

@media (max-width: 768px) {
    .testimonials-layout {
        gap: 18px;
    }

    .section-header-testimonials h2 {
        display: inline-flex;
        align-items: baseline;
        flex-wrap: nowrap;
        gap: 0.18em;
        max-width: 100%;
        white-space: nowrap;
        letter-spacing: -0.04em;
    }

    .section-header-testimonials {
        margin-bottom: 10px;
    }

    .section-header-testimonials .system-header-dark,
    .section-header-testimonials .system-header-accent {
        font-size: clamp(2rem, 9.4vw, 3rem);
        line-height: 1.04;
        white-space: nowrap;
    }

    .section-header-testimonials p {
        font-size: 1.45rem;
        line-height: 1.4;
    }

    .testimonial-best {
        order: 1;
        position: relative;
        top: auto;
        bottom: auto;
        left: auto;
        right: auto;
        z-index: 6;
        grid-area: 1 / 1;
        align-self: start;
        justify-self: start;
        width: min(calc(100% - 56px), 520px);
        max-height: none;
        overflow: visible;
        transform: none;
        margin-top: 0;
        padding: 18px 18px 18px;
    }

    .testimonial-best-title {
        font-size: 1.18rem;
    }

    .testimonial-best-text {
        flex: none;
        overflow: visible;
        font-size: 0.92rem;
        line-height: 1.58;
    }

    .testimonials-scene {
        --testimonial-scroll-lift: 160px;
        display: block;
        min-height: 0;
        padding-bottom: clamp(340px, 52vh, 440px);
    }

    .testimonial-stage {
        position: absolute;
        top: -332px;
        right: -4vw;
        bottom: 20px;
        left: -4vw;
        z-index: 1;
        width: auto;
        height: auto;
        margin-top: 0;
        transform: none;
        -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.05) 8%, rgba(0, 0, 0, 0.18) 16%, rgba(0, 0, 0, 0.55) 25%, #000 38%, #000 78%, rgba(0, 0, 0, 0.9) 88%, rgba(0, 0, 0, 0.32) 96%, transparent 100%);
        mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.05) 8%, rgba(0, 0, 0, 0.18) 16%, rgba(0, 0, 0, 0.55) 25%, #000 38%, #000 78%, rgba(0, 0, 0, 0.9) 88%, rgba(0, 0, 0, 0.32) 96%, transparent 100%);
    }

    .testimonial-3d-plane {
        top: -120px;
        gap: 10px;
        min-height: 1560px;
        transform: translateX(-54%) translateY(0) translateZ(-100px) rotateX(20deg) rotateY(-10deg) rotateZ(20deg);
    }

    .testimonial-marquee-column {
        --testimonial-card-width: min(42vw, 168px);
        --testimonial-card-gap: 14px;
        height: 1560px;
    }

    .testimonial-card {
        min-height: 150px;
        padding: 12px 12px 10px;
    }

    .testimonial-card-text {
        font-size: 0.86rem;
        -webkit-line-clamp: 3;
    }
}

/* ===== Pricing Section ===== */
.pricing-comparison-section {
    background: rgb(243, 244, 245);
    padding-top: clamp(34px, 4.5vw, 60px);
    padding-bottom: clamp(52px, 6vw, 84px);
}

.pricing-comparison-section .container {
    width: 100%;
    max-width: 1200px;
    padding: 0 var(--spacing-lg);
}

#course-comparison {
    background: rgb(243, 244, 245);
}

.pricing-comparison-section .pricing-comparison {
    margin-top: 0;
}

.pricing-comparison {
    margin: 34px auto 0;
}

.pricing-comparison-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1080px;
    gap: 10px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
    text-align: center;
}

.pricing-comparison-kicker {
    display: inline-flex;
    align-items: center;
    justify-self: start;
    min-height: 30px;
    padding: 0 11px;
    border-radius: 999px;
    background: #ecfdf5;
    color: #047857;
    font-size: 0.78rem;
    font-weight: 900;
    white-space: nowrap;
}

.pricing-comparison-copy h3 {
    margin: 0;
    color: #111827;
    font-size: clamp(2.14rem, 3.25vw, 3.1rem);
    font-weight: 900;
    line-height: 1.1;
    text-align: center;
    white-space: normal;
}

.pricing-comparison-title > span {
    display: block;
}

.pricing-comparison-title > span + span {
    margin-top: 0.08em;
    margin-left: 0;
}

.pricing-comparison-title-accent {
    color: #dc2626;
}

.pricing-comparison-lead {
    width: 100%;
    max-width: 980px;
    margin: 8px auto 0;
    color: #15803d;
    font-size: clamp(1.55rem, 2.5vw, 2.35rem);
    font-weight: 400;
    line-height: 1.32;
    letter-spacing: 0;
    word-break: keep-all;
}

.pricing-comparison-lead span {
    display: block;
}

.pricing-comparison-body {
    width: 100%;
    max-width: 1120px;
    margin: 12px auto 0;
    color: #111827;
    font-size: clamp(0.92rem, 1vw, 1.05rem);
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: 0;
    word-break: keep-all;
    white-space: normal;
}

.pricing-comparison-scroll {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
}

.pricing-comparison-table {
    min-width: 920px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #ffffff;
}

.pricing-comparison-row {
    display: grid;
    grid-template-columns: 0.76fr 1.28fr 1.14fr 1.02fr;
}

.pricing-comparison-row + .pricing-comparison-row {
    border-top: 1px solid #eef0f3;
}

.pricing-comparison-cell {
    display: flex;
    align-items: center;
    min-height: 54px;
    padding: 12px 14px;
    border-left: 1px solid #eef0f3;
    color: #374151;
    font-size: 1.04rem;
    font-weight: 400;
    line-height: 1.43;
    word-break: keep-all;
}

.pricing-comparison-cell:first-child {
    border-left: 0;
}

.pricing-comparison-head .pricing-comparison-cell {
    min-height: 48px;
    background: #f8fafc;
    color: #111827;
    font-size: 1.06rem;
    font-weight: 900;
}

.pricing-comparison-feature {
    background: #fbfbfc;
    color: #111827;
    font-weight: 900;
}

.pricing-comparison-brand {
    background: #f0fdf4;
    color: #111827;
    font-weight: 400;
    box-shadow: inset 3px 0 0 rgba(4, 120, 87, 0.5);
}

.pricing-comparison-status {
    gap: 9px;
}

.pricing-comparison-status::before {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 900;
    line-height: 1;
}

.pricing-comparison-status--yes::before {
    content: "O";
    background: #ecfdf5;
    color: #047857;
    border: 1px solid rgba(4, 120, 87, 0.22);
}

.pricing-comparison-status--partial::before {
    content: "△";
    background: #fffbeb;
    color: #b45309;
    border: 1px solid rgba(180, 83, 9, 0.22);
}

.pricing-comparison-status--no {
    justify-content: center;
}

.pricing-comparison-status--no::before {
    content: "X";
    background: #f9fafb;
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.22);
}

.pricing-comparison-head .pricing-comparison-brand {
    justify-content: space-between;
    gap: 10px;
    background: #dcfce7;
    color: #065f46;
    font-weight: 900;
}

.pricing-comparison-brand small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 22px;
    padding: 0 9px;
    border-radius: 999px;
    background: #047857;
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 900;
}

.pricing-comparison-mobile {
    display: none;
}

.pricing-chat-help {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin: 9px 0 0;
    color: #4b5563;
    font-size: 1.05rem;
    font-weight: 700;
    text-align: right;
    word-break: keep-all;
}

.pricing-chat-help-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 4px 2px;
    border: 0;
    background: transparent;
    color: #047857;
    font: inherit;
    font-weight: 900;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
}

.pricing-chat-help-link span {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
}

.pricing-chat-help-link:hover {
    color: #065f46;
}

.pricing-chat-help-link:focus-visible {
    outline: 2px solid rgba(4, 120, 87, 0.35);
    outline-offset: 4px;
    border-radius: 6px;
}

.pricing-plan-control-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.85rem;
    flex-wrap: wrap;
    margin: 0 0 var(--spacing-xl);
}

.pricing-plan-choice-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
}

.pricing-plan-toggle {
    --pricing-plan-index: 0;
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(72px, 1fr));
    align-items: stretch;
    gap: 0;
    padding: 4px;
    width: min(100%, 392px);
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    box-shadow: inset 0 1px 1px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.pricing-plan-toggle[data-active-plan="one_month"] {
    --pricing-plan-index: 1;
}

.pricing-plan-toggle[data-active-plan="three_month"] {
    --pricing-plan-index: 2;
}

.pricing-plan-toggle[data-active-plan="six_month"] {
    --pricing-plan-index: 3;
}

.pricing-plan-toggle::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 4px;
    bottom: 4px;
    left: 4px;
    width: calc((100% - 8px) / 4);
    border-radius: 999px;
    background: var(--primary-color);
    box-shadow: 0 10px 22px rgba(229, 9, 20, 0.22);
    transform: translateX(calc(var(--pricing-plan-index) * 100%));
    transition: transform 0.24s ease;
}

.pricing-plan-toggle-btn {
    position: relative;
    z-index: 1;
    min-width: 0;
    padding: 0.44rem 0.56rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #4b5563;
    font: inherit;
    font-weight: 800;
    line-height: 1.1;
    font-size: 0.92rem;
    cursor: pointer;
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.16rem;
    white-space: nowrap;
}

.pricing-plan-toggle-btn small {
    font-size: 0.7rem;
    font-weight: 800;
    color: #dc2626;
}

.pricing-plan-toggle-btn.is-active {
    color: #ffffff;
}

.pricing-plan-toggle-btn.is-active small {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-duration-toggle {
    --pricing-duration-index: 0;
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(54px, 1fr));
    align-items: stretch;
    gap: 0;
    width: 136px;
    padding: 4px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 999px;
    box-shadow: inset 0 1px 1px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.pricing-duration-toggle[data-active-duration="20"] {
    --pricing-duration-index: 1;
}

.pricing-duration-toggle::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 4px;
    bottom: 4px;
    left: 4px;
    width: calc((100% - 8px) / 2);
    border-radius: 999px;
    background: #111827;
    box-shadow: 0 10px 20px rgba(17, 24, 39, 0.16);
    transform: translateX(calc(var(--pricing-duration-index) * 100%));
    transition: transform 0.24s ease;
}

.pricing-duration-toggle-btn {
    position: relative;
    z-index: 1;
    min-width: 0;
    min-height: 38px;
    padding: 0.42rem 0.48rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #4b5563;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.pricing-duration-toggle-btn.is-active {
    color: #ffffff;
}

.pricing-refund-guarantee {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    min-height: 46px;
    padding-left: 0.9rem;
    border-left: 2px solid rgba(229, 9, 20, 0.22);
    color: #111827;
    line-height: 1.2;
}

.pricing-refund-guarantee strong {
    font-size: 1.12rem;
    font-weight: 900;
    color: #dc2626;
}

.pricing-refund-guarantee span {
    margin-top: 0.16rem;
    font-size: 0.78rem;
    font-weight: 800;
    color: #4b5563;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    align-items: stretch;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    border: 2px solid #E5E7EB;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.pricing-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.pricing-card:hover {
    border-color: #E5E7EB;
}

.pricing-card.pricing-popular {
    border-color: #E5E7EB;
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    z-index: 1;
}

.pricing-card.pricing-popular.animate-in {
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
}

.pricing-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.pricing-point-reward {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.36rem;
    margin-top: 0.28rem;
    padding: 0.28rem 0.62rem;
    border: 1px solid #bbf7d0;
    border-radius: 999px;
    background: #ecfdf5;
    color: #065f46;
    font-size: 0.82rem;
    font-weight: 800;
    line-height: 1.2;
}

.pricing-point-reward strong {
    color: #047857;
    font-size: 1.08em;
    font-weight: 950;
}

.pricing-point-policy {
    margin: 0.36rem auto 0;
    max-width: 16rem;
    color: #6b7280;
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1.35;
}

.pricing-desc {
    color: var(--text-light);
    font-size: 0.9rem;
}

.pricing-price {
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.22rem;
    min-height: 104px;
}

.pricing-original {
    min-height: 1.2em;
    font-size: 0.92rem;
    font-weight: 700;
    color: #9ca3af;
    text-decoration: line-through;
    text-decoration-thickness: 1.5px;
}

.pricing-original[hidden],
.pricing-discount-label[hidden] {
    display: none;
}

.pricing-final-row {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.pricing-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-gray);
}

.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-discount-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 1.4em;
    padding: 0.18rem 0.56rem;
    border-radius: 999px;
    background: rgba(229, 9, 20, 0.08);
    color: #dc2626;
    font-size: 0.78rem;
    font-weight: 900;
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-gray);
}

.pricing-features li i {
    color: var(--color-review);
}

.pricing-card .btn {
    width: 100%;
    padding: var(--spacing-md);
}

.pricing-card [data-pricing-enroll] {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.pricing-card [data-pricing-enroll]:hover,
.pricing-card [data-pricing-enroll]:focus-visible {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.pricing-notes {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    max-width: 780px;
    margin: 18px auto 0;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.24);
    text-align: center;
}

.pricing-note {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.42rem;
    margin: 0;
    color: #111111;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.5;
}

.pricing-note-main {
    font-size: 1.18rem;
}

.pricing-note-sub {
    color: #334155;
    font-size: 1rem;
    font-weight: 700;
}

.pricing-note-emphasis {
    color: #dc2626;
    font-size: 1.28em;
    font-weight: 900;
}

.pricing-note-divider {
    color: #cbd5e1;
    font-size: 0.95em;
    font-weight: 700;
}

.pricing-note-detail {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 0.92rem;
    font-weight: 400;
    line-height: 1.65;
    text-align: center;
}

/* ===== CTA Section ===== */
.section-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-4xl) 0;
    position: relative;
    z-index: 2;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.cta-content h2 span {
    color: #FFD700;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-content .cta-proof-note {
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
    color: #ffffff;
    font-size: clamp(1.3rem, 2.5vw, 1.55rem);
    font-weight: 700;
    line-height: 1.45;
}

/* ===== App Download Band ===== */
.app-download-band {
    background: #1d1d1d;
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: 2;
}

.app-download-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--spacing-2xl);
    align-items: start;
}

.app-preview-clip {
    width: min(100%, 430px);
    height: clamp(260px, calc(34vw + 10px), 400px);
    overflow: hidden;
    justify-self: start;
}

.app-preview-device {
    position: relative;
    width: 100%;
    aspect-ratio: 1500 / 2752;
}

.app-preview-screen {
    position: absolute;
    top: 1.5%;
    left: 5%;
    width: 90%;
    height: 97%;
    object-fit: cover;
    border-radius: 36px;
    z-index: 3;
}

.app-preview-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    z-index: 2;
    pointer-events: none;
}

.app-download-copy {
    color: var(--text-white);
    align-self: start;
    transform: translateY(50px);
}

.app-download-eyebrow {
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1.15rem, 1.9vw, 1.55rem);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.app-download-copy h3 {
    font-size: clamp(2.35rem, 4.8vw, 3.45rem);
    line-height: 1.15;
    color: #f8fbff;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.app-download-actions {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: var(--radius-full);
    color: #FFD700;
    border: 1px solid rgba(255, 215, 0, 0.5);
    background: rgba(255, 215, 0, 0.12);
    font-weight: 700;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.app-store-btn:hover {
    color: #111111;
    background: #FFD700;
    border-color: #FFD700;
}

.app-download-desc {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 0.14rem;
}

.app-download-brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-download-brand-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.app-download-brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.app-download-brand-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.app-download-brand {
    display: block;
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
    font-weight: 800;
    color: #FFD700;
    line-height: 1.3;
    margin-top: 0;
}

.app-download-trial-note {
    width: 100%;
    margin-top: var(--spacing-2xl);
    color: #ffffff;
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
    font-weight: 400;
    line-height: 1.55;
    text-align: center;
}

.app-download-trial-note span {
    color: #8fd8ff;
    display: inline-block;
    margin-right: 0.18em;
    font-size: 1.7em;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

/* ===== Home FAQ Section ===== */
.home-faq-section {
    background: #ffffff;
    padding: clamp(58px, 7vw, 96px) 0 clamp(64px, 7.5vw, 104px);
    position: relative;
    z-index: 2;
}

.home-faq-layout {
    display: grid;
    grid-template-columns: minmax(220px, 0.52fr) minmax(0, 1.48fr);
    gap: clamp(40px, 6.2vw, 118px);
    align-items: start;
}

.home-faq-intro {
    position: sticky;
    top: 112px;
}

.home-faq-intro h2 {
    margin: 0;
    color: #0f1720;
    font-size: clamp(2.65rem, 4.55vw, 4.75rem);
    line-height: 1.12;
    font-weight: 950;
    letter-spacing: 0;
    word-break: keep-all;
}

.home-faq-intro h2 span {
    display: block;
    white-space: nowrap;
}

.home-faq-intro > p {
    margin: 28px 0 0;
    color: #5f6672;
    font-size: clamp(1rem, 1.05vw, 1.08rem);
    line-height: 1.68;
    max-width: 340px;
    word-break: keep-all;
}

.home-faq-chat-btn {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 900;
    box-shadow: 0 16px 32px rgba(220, 38, 38, 0.24);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home-faq-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 38px rgba(220, 38, 38, 0.3);
}

.home-faq-chat-btn:focus-visible {
    outline: 3px solid rgba(239, 68, 68, 0.3);
    outline-offset: 3px;
}

.home-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid #e5e7eb;
}

.home-faq-item {
    border: 0;
    border-bottom: 1px solid #e5e7eb;
    border-radius: 0;
    background: #ffffff;
    box-shadow: none;
    overflow: hidden;
}

.home-faq-item summary {
    min-height: 75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 22px 10px 22px 12px;
    color: #111821;
    font-size: clamp(1.1rem, 1.35vw, 1.32rem);
    font-weight: 900;
    line-height: 1.4;
    cursor: pointer;
    list-style: none;
    word-break: keep-all;
}

.home-faq-item summary::-webkit-details-marker {
    display: none;
}

.home-faq-item summary i {
    flex: 0 0 auto;
    color: #0f1720;
    font-size: 0.98rem;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s ease;
}

.home-faq-item[open] summary i {
    color: #0f1720;
    transform: rotate(180deg);
}

.home-faq-item.is-faq-closing summary i {
    transform: rotate(0deg);
}

.home-faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 12px;
    color: #666d78;
    font-size: clamp(1.05rem, 1.18vw, 1.22rem);
    line-height: 1.72;
    max-width: 920px;
    opacity: 0;
    transform: translateY(-6px);
    transition:
        max-height 0.36s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.22s ease,
        transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: max-height, opacity, transform;
}

.home-faq-answer-inner {
    padding: 0 0 28px;
}

.home-faq-item[open] .home-faq-answer,
.home-faq-item.is-faq-opening .home-faq-answer {
    opacity: 1;
    transform: translateY(0);
}

.home-faq-item.is-faq-closing .home-faq-answer {
    opacity: 0;
    transform: translateY(-4px);
}

.home-faq-answer p {
    margin: 0 0 14px;
}

.home-faq-answer ul,
.home-faq-answer ol {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.home-faq-answer li {
    position: relative;
    margin: 9px 0;
    padding-left: 1.15rem;
}

.home-faq-answer li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0.86em;
    transform: translateY(-50%);
    color: #111821;
    font-size: 1.18em;
    font-weight: 900;
    line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
    .home-faq-answer,
    .home-faq-item summary i {
        transition: none;
    }
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-darker);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo img {
    height: 36px;
}

.footer-brand .logo > .logo-text {
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.footer-brand .logo .logo-topline {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.footer-brand .logo .logo-main {
    font-size: 1.18rem;
    color: #FFD700;
    font-weight: 800;
}

.footer-brand>p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    width: 20px;
    color: var(--primary-color);
}

.footer-contact .footer-phone-row {
    align-items: flex-start;
}

.footer-contact .footer-phone-row i {
    margin-top: 0.12rem;
}

.footer-phone-text {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.08rem;
    line-height: 1.25;
}

.footer-phone-text small {
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.78em;
    line-height: 1.25;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.52);
}

.footer-business-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.18rem;
    font-size: 0.78rem;
    line-height: 1.35;
    margin-bottom: 0.8rem;
    color: rgba(203, 213, 245, 0.7);
}

.footer-business-meta p {
    margin: 0;
}

.footer-bottom-main {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.footer-copyright {
    grid-column: 2;
    margin: 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.44);
}

.footer-language {
    grid-column: 3;
    justify-self: end;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.footer-language span {
    font-size: 0.82rem;
    color: #cbd5f5;
}

.footer-language select {
    background: #0f172a;
    color: #e2e8f0;
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    font-size: 0.82rem;
}

.footer-language select:focus {
    outline: none;
    border-color: rgba(82, 162, 255, 0.8);
}

.footer-bottom p {
    margin: 0;
}

.footer-sheet-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 2600;
}

.footer-sheet-backdrop.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.footer-sheet {
    position: fixed;
    left: auto;
    right: 12px;
    bottom: 12px;
    width: min(800px, calc(100vw - 24px));
    max-width: 800px;
    min-height: 340px;
    height: min(calc(50vh + 150px), calc(100vh - 88px));
    max-height: calc(100vh - 24px);
    background: #1d1d1d;
    border-radius: 20px 20px 0 0;
    border: 1px solid rgba(255, 215, 0, 0.25);
    box-shadow: 0 -20px 46px rgba(0, 0, 0, 0.45);
    transform: translate(0, calc(100% + 24px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.22s ease, visibility 0.22s ease;
    z-index: 2601;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.footer-sheet.open {
    transform: translate(0, 0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.footer-sheet.resizing {
    transition: none;
}

.footer-sheet-grip {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.6rem 0 0.2rem;
    cursor: ns-resize;
    background: #1d1d1d;
    user-select: none;
    touch-action: none;
}

.footer-sheet-grip-bar {
    width: 58px;
    height: 5px;
    border-radius: 999px;
    background: rgba(255, 215, 0, 0.62);
}

.footer-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.72rem 1.15rem 0.72rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-sheet-header h3 {
    margin: 0;
    font-size: 1.05rem;
    color: #f8fbff;
}

.footer-sheet-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 215, 0, 0.55);
    background: rgba(255, 215, 0, 0.12);
    color: #FFD700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.footer-sheet-content {
    overflow: auto;
    padding: 1rem 1.15rem 1.35rem;
    color: #f8fbff;
}

.footer-sheet-loading {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.95rem;
}

.footer-policy {
    line-height: 1.72;
    color: rgba(248, 251, 255, 0.92);
    font-size: 0.95rem;
}

.footer-legal-structured {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-legal-line {
    border-radius: 10px;
    padding: 2px 4px;
    word-break: keep-all;
}

.footer-legal-line.chapter {
    margin-top: 11px;
    padding: 10px 12px;
    background: rgba(79, 70, 229, 0.22);
    border-left: 4px solid #818cf8;
    color: #eef2ff;
    font-size: 1rem;
    font-weight: 800;
}

.footer-legal-line.article {
    margin-top: 8px;
    padding: 9px 11px;
    background: rgba(59, 130, 246, 0.16);
    border-left: 3px solid #93c5fd;
    color: #f8fbff;
    font-size: 0.98rem;
    font-weight: 760;
}

.footer-legal-line.appendix {
    margin-top: 10px;
    padding: 9px 11px;
    background: rgba(16, 185, 129, 0.18);
    border-left: 3px solid #6ee7b7;
    color: #ecfdf5;
    font-size: 0.98rem;
    font-weight: 760;
}

.footer-legal-line.numeric {
    padding-left: 12px;
    color: rgba(248, 251, 255, 0.95);
    font-size: 0.95rem;
}

.footer-legal-line.alpha {
    padding-left: 18px;
    color: rgba(248, 251, 255, 0.95);
    font-size: 0.95rem;
    font-weight: 650;
}

.footer-legal-line.bullet {
    padding-left: 22px;
    color: rgba(248, 251, 255, 0.94);
    font-size: 0.95rem;
}

.footer-legal-line.text {
    padding-left: 8px;
    color: rgba(248, 251, 255, 0.9);
    font-size: 0.94rem;
}

.footer-legal-spacer {
    height: 3px;
}

.footer-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-faq-search-wrap {
    margin-bottom: 0.8rem;
}

.footer-faq-search {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 10px;
    padding: 0.68rem 0.82rem;
    font-size: 0.92rem;
    color: #f8fbff;
    background: rgba(255, 255, 255, 0.08);
}

.footer-faq-search::placeholder {
    color: rgba(255, 255, 255, 0.64);
}

.footer-faq-item {
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.footer-faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 0.85rem 1rem;
    font-weight: 700;
    color: #f8fbff;
    position: relative;
    padding-right: 2.2rem;
}

.footer-faq-item summary::-webkit-details-marker {
    display: none;
}

.footer-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #FFD700;
    font-size: 1rem;
    font-weight: 800;
}

.footer-faq-item[open] summary::after {
    content: "-";
}

.footer-faq-answer {
    padding: 0 1rem 0.95rem;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.92rem;
    line-height: 1.66;
}

.footer-faq-block {
    margin: 0;
}

.footer-faq-block+.footer-faq-block {
    margin-top: 0.8rem;
    padding-top: 0.78rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.14);
}

.footer-faq-subtitle {
    display: inline-flex;
    align-items: center;
    margin: 0 0 0.45rem;
    padding: 0.2rem 0.58rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 215, 0, 0.34);
    background: rgba(255, 215, 0, 0.12);
    color: #ffe082;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.footer-faq-subtitle--steps {
    background: rgba(255, 215, 0, 0.16);
    border-color: rgba(255, 215, 0, 0.42);
}

.footer-faq-answer p {
    margin: 0 0 0.44rem;
}

.footer-faq-answer p:last-child {
    margin-bottom: 0;
}

.footer-faq-bullets,
.footer-faq-ordered {
    margin: 0.2rem 0 0.32rem;
    padding-left: 1rem;
}

.footer-faq-bullets li,
.footer-faq-ordered li {
    margin: 0.3rem 0;
}

.footer-faq-steps {
    list-style: none;
    padding-left: 0;
    margin: 0.24rem 0 0.4rem;
    counter-reset: faq-step;
}

.footer-faq-steps li {
    position: relative;
    padding-left: 1.88rem;
    margin: 0.42rem 0;
}

.footer-faq-steps li::before {
    counter-increment: faq-step;
    content: counter(faq-step);
    position: absolute;
    top: 0.1rem;
    left: 0;
    width: 1.22rem;
    height: 1.22rem;
    border-radius: 999px;
    background: #FFD700;
    color: #111111;
    font-size: 0.72rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-faq-kv-key {
    font-weight: 800;
    color: #ffe082;
}

.footer-faq-kv-sep {
    color: rgba(255, 255, 255, 0.72);
}

.footer-faq-kv-value {
    color: rgba(255, 255, 255, 0.9);
}

.footer-email-form {
    display: grid;
    gap: 0.72rem;
}

.footer-email-row {
    display: grid;
    gap: 0.35rem;
}

.footer-email-row label {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 700;
}

.footer-email-row input,
.footer-email-row textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 10px;
    padding: 0.72rem 0.8rem;
    font-size: 0.92rem;
    color: #f8fbff;
    background: rgba(255, 255, 255, 0.08);
}

.footer-email-row textarea {
    min-height: 150px;
    resize: vertical;
}

.footer-email-submit {
    border: 0;
    border-radius: 10px;
    background: #FFD700;
    color: #111111;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.78rem 1rem;
    cursor: pointer;
}

.footer-email-submit:disabled {
    background: #8a8a8a;
    cursor: default;
}

.footer-email-help {
    margin: 0;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.68);
}

.footer-email-status {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.45;
}

.footer-email-status.success {
    color: #86efac;
}

.footer-email-status.error {
    color: #fca5a5;
}

/* ===== Mobile Menu ===== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: var(--bg-white);
    padding: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-menu-overlay.active .mobile-menu {
    transform: translateX(0);
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-gray);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.mobile-nav-link {
    padding: var(--spacing-md);
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.mobile-nav-pricing-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.mobile-nav-pricing-link .nav-discount-badge {
    flex: 0 0 auto;
    font-size: 0.72rem;
}

.mobile-nav-link:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.mobile-nav .btn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
}

.mobile-nav .mobile-level-test-btn {
    margin-top: var(--spacing-md);
}

.mobile-nav .btn-outline-white {
    color: var(--text-dark);
    border-color: var(--text-light);
    background: transparent;
}

.mobile-nav .btn-outline-white:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: var(--bg-gray);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-card.animate-in,
.feature-card.animate-in,
.pricing-card.animate-in,
.stat-item.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.step-card:nth-of-type(2).animate-in,
.feature-card:nth-child(2).animate-in,
.pricing-card:nth-child(2).animate-in,
.stat-item:nth-child(2).animate-in {
    animation-delay: 0.1s;
}

.step-card:nth-of-type(3).animate-in,
.feature-card:nth-child(3).animate-in,
.pricing-card:nth-child(3).animate-in,
.stat-item:nth-child(3).animate-in {
    animation-delay: 0.2s;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-checklist {
        display: inline-block;
        text-align: left;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        transform: rotateY(-10deg) rotateX(3deg) rotateZ(10deg);
    }

    .phone-mockup::before {
        width: 160px;
        height: 16px;
        bottom: -50px;
    }

    .phone-mockup img {
        max-width: 280px;
    }

    .steps-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 320px));
        gap: 22px;
        justify-content: center;
    }

    .step-card {
        border-radius: 10px;
    }

    .reviews-grid {
        width: 100%;
    }

    .reviews-slider-page {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .review-card--slide {
        min-height: 270px;
        padding: 18px 16px;
    }

    .stats-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .app-download-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .app-preview-clip {
        justify-self: center;
    }

    .app-download-copy {
        text-align: center;
        transform: translateY(20px);
    }

    .app-download-actions {
        justify-content: center;
    }

    .app-download-brand-row {
        justify-content: center;
        text-align: left;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width: 768px) {

    :root {
        --hero-section-overlap: 24px;
    }

    .header {
        transition: none;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        will-change: transform;
    }

    .header.scrolled .container {
        width: calc(100% - 20px);
        max-width: none;
        border-radius: 24px;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    html,
    body {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        overflow-y: auto !important;
        overscroll-behavior: auto;
    }

    .home-faq-section {
        padding: 52px 0 62px;
    }

    .home-faq-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .home-faq-intro {
        position: static;
        text-align: center;
    }

    .home-faq-intro h2 {
        font-size: clamp(2.35rem, 10vw, 3.4rem);
        line-height: 1.12;
        white-space: nowrap;
    }

    .home-faq-intro h2 span {
        display: inline;
    }

    .home-faq-intro h2 span + span {
        margin-left: 0.18em;
    }

    .home-faq-intro > p {
        max-width: none;
        margin: 18px auto 0;
    }

    .home-faq-chat-btn {
        display: flex;
        width: fit-content;
        max-width: calc(100% - 32px);
        margin: 18px auto 0;
        padding: 0 24px;
        box-shadow: none;
    }

    .home-faq-chat-btn:hover {
        box-shadow: none;
    }

    .home-faq-item summary {
        min-height: 58px;
        padding: 16px 2px;
        gap: 18px;
        font-size: 1.02rem;
    }

    .home-faq-answer {
        padding: 0 2px;
        font-size: 0.98rem;
    }

    .home-faq-answer-inner {
        padding-bottom: 20px;
    }

    .footer-brand {
        display: grid;
        grid-template-columns: minmax(114px, 152px) 1fr;
        grid-template-areas:
            "brand-logo brand-desc"
            "brand-logo brand-meta";
        column-gap: 12px;
        row-gap: 4px;
        align-items: start;
        text-align: left;
    }

    .footer-brand .logo {
        grid-area: brand-logo;
        margin-bottom: 0;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
        position: static;
        justify-self: start;
    }

    .footer-brand .logo img {
        width: clamp(58px, 17vw, 84px);
        height: auto;
    }

    .footer-brand .logo > .logo-text {
        position: static;
        max-width: min(100%, 108px);
        width: 100%;
        white-space: normal;
        text-align: center;
        align-items: center;
    }

    .footer-brand .logo .logo-topline {
        font-size: 0.65rem;
        margin-bottom: 0.18rem;
    }

    .footer-brand .logo .logo-main {
        font-size: 1.02rem;
    }

    .footer-brand > p {
        grid-area: brand-desc;
        margin: 0 0 6px;
        line-height: 1.5;
        font-size: 0.98rem;
        text-align: left;
    }

    .footer-brand .footer-business-meta {
        grid-area: brand-meta;
        margin: 0;
        align-items: flex-start;
        font-size: 0.72rem;
    }

    .footer-brand .footer-business-meta p {
        text-align: left;
    }

    #system {
        margin-top: var(--hero-pin-height);
    }

    .nav {
        gap: 0.38rem;
    }

    .nav-links,
    .nav-buttons {
        display: none;
    }

    .mobile-header-pricing-link {
        display: inline-flex;
        margin-left: auto;
        min-width: 58px;
        transform: translateX(6px);
    }

    .mobile-header-pricing-link .nav-discount-badge {
        padding: 0.16rem 0.36rem;
        font-size: 0.58rem;
    }

    .mobile-menu-btn {
        display: flex;
        flex: 0 0 44px;
        transform: translateX(6px);
    }

    .hero-text h1 {
        font-size: 2.15rem;
    }

    .hero-phone-showcase .phone-mockup-preview-main {
        width: clamp(190px, 49vw, 242px);
        max-width: 242px;
    }

    .hero-phone-showcase .phone-mockup-lecture-side {
        width: clamp(150px, 36vw, 192px);
        max-width: 192px;
    }

    .section-header-system {
        text-align: center;
        padding-bottom: 16px;
        transform: none;
    }

    #reviews {
        margin-top: 0;
    }

    .section-header-system-visual {
        grid-template-columns: 1fr;
        row-gap: 12px;
    }

    .system-header-character-wrap {
        justify-content: center;
    }

    .system-header-character {
        max-width: min(360px, 87vw);
        --system-char-x: 0px;
        --system-char-y: 0px;
    }

    .section-header-system::after {
        display: none;
    }

    .section-header-system-visual .system-header-dark {
        font-size: clamp(2.35rem, 10.6vw, 3.7rem);
    }

    .section-header-system-visual .system-header-accent {
        font-size: clamp(2.75rem, 12vw, 4.6rem);
    }

    .section-header-system-visual .system-header-title-wide .system-header-dark,
    .section-header-system-visual .system-header-title-wide .system-header-accent {
        white-space: normal;
    }

    .section-header-system-visual .system-header-subtitle {
        margin-top: 12px;
        font-size: clamp(1.2rem, 4.8vw, 1.85rem);
        font-weight: 800;
        line-height: 1.35;
    }

    .feature-title-row {
        display: block;
        transform: none;
    }

    .section-header-feature {
        padding-left: 0;
        padding-top: 0;
        text-align: center;
        transform: none;
    }

    .section-header-feature .system-header-kicker,
    .section-header-feature .feature-title-row h2,
    .section-header-feature .system-header-subtitle {
        transform: none;
    }

    .section-header-feature .feature-title-row {
        width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        transform: none;
    }

    .section-header-feature .feature-title-row h2 {
        text-align: center;
    }

    .section-header-feature .system-header-dark {
        font-size: clamp(2.2rem, 9.8vw, 3.6rem);
    }

    .section-header-feature .system-header-accent {
        font-size: clamp(2.7rem, 11.8vw, 4.5rem);
    }

    .section-header-feature .system-header-subtitle {
        text-align: center;
        font-size: clamp(0.96rem, 3.9vw, 1.28rem);
    }

    .section-header-feature .system-header-subtitle + .system-header-subtitle {
        margin-top: 2px;
    }

    .feature-intro-title {
        margin-bottom: 10px;
    }

    .feature-intro-list {
        transform: none;
        margin: 10px auto 0;
        padding-left: 14px;
        max-width: 100%;
        text-align: left;
        font-size: clamp(0.95rem, 3.75vw, 1.16rem);
    }

    .feature-header-character {
        position: static;
        display: block;
        width: clamp(285px, 72vw, 420px);
        margin: 10px auto 0;
    }

    .section-header-reviews {
        text-align: left;
        margin: 0 0 var(--spacing-xl);
        padding: 0;
        border-radius: 0;
    }

    .reviews-title-row {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 8px;
        flex-wrap: wrap;
    }

    .reviews-header-character {
        width: clamp(178px, 48vw, 250px);
        transform: none;
        margin-left: 0;
        flex-shrink: 0;
    }

    .reviews-copy {
        transform: none;
        margin-top: 120px;
    }

    .reviews-title-singleline {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.08em;
        white-space: normal;
        line-height: 1.02;
    }

    .reviews-title-singleline .system-header-dark,
    .reviews-title-singleline .system-header-accent {
        display: block;
        line-height: 1.02;
    }

    .section-header-reviews .system-header-dark {
        font-size: clamp(2.08rem, 8.7vw, 2.92rem);
    }

    .section-header-reviews .system-header-accent {
        font-size: clamp(2.76rem, 11.4vw, 3.78rem);
    }

    .section-header-reviews .system-header-subtitle {
        font-size: clamp(0.96rem, 3.9vw, 1.28rem);
        line-height: 1.6;
        font-weight: 400;
        margin-top: 8px;
        max-width: 100%;
    }

    .section-header-reviews .reviews-hero-subtitle {
        font-size: clamp(1.08rem, 4.3vw, 1.45rem);
    }

    .reviews-feature-list {
        margin-top: 60px;
        padding-left: 0;
        grid-template-columns: 1fr;
        row-gap: 18px;
    }

    .reviews-feature-list li {
        margin-bottom: 0;
        border-radius: 12px;
        padding: 14px 62px 14px 70px;
        height: auto;
        min-height: 0;
        overflow: visible;
    }

    .reviews-feature-list li::before {
        left: 18px;
        top: 18px;
        font-size: 2.08rem;
        transform: translate(-50%, -50%) rotate(-45deg);
    }

    .reviews-feature-list li::after {
        content: "";
        display: block;
        left: -1px;
        top: -1px;
        width: 0;
        height: 0;
        border-top: 54px solid rgb(36, 37, 37);
        border-right: 54px solid transparent;
    }

    .reviews-feature-icon {
        right: 10px;
        width: 42px;
        height: 42px;
        font-size: 1.08rem;
    }

    .reviews-feature-list li strong {
        font-size: 1.04rem;
        line-height: 1.34;
    }

    .reviews-feature-list li strong::before {
        left: 28px;
        top: 28px;
        width: 92px;
        height: 1.4px;
        transform: translate(-50%, -50%) rotate(-45deg);
        transform-origin: center;
    }

    .reviews-feature-list li p {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .reviews-feature-conclusion {
        font-size: clamp(1.62rem, 6.6vw, 2.3rem) !important;
        margin-top: 22px !important;
        padding: 0;
        text-align: center;
        max-width: 80vw !important;
    }

    .promo-tab-panel .promo-subheadline {
        font-size: clamp(1.22rem, 4.95vw, 1.58rem);
        line-height: 1.36;
    }

    .promo-tab-panel .promo-body,
    .promo-tab-panel .promo-body p,
    .promo-tab-panel .promo-body > p:first-child {
        font-size: clamp(1.14rem, 4.45vw, 1.42rem);
        line-height: 1.44;
        font-weight: 500;
    }

    .reviews-feature-list li strong {
        font-size: clamp(1.14rem, 4.4vw, 1.36rem);
    }

    .reviews-feature-list li p {
        font-size: clamp(1.02rem, 3.95vw, 1.18rem);
        line-height: 1.52;
    }

    #system .steps-highlight-copy-lead {
        font-size: 0.94rem;
    }

    #system .steps-highlight-copy-main {
        font-size: clamp(2.24rem, 10.4vw, 2.86rem);
    }

    .section-header-pricing {
        text-align: center;
        padding: 80px 0 10px;
    }

    .pricing-title-row {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 16px;
        flex-wrap: nowrap;
    }

    .pricing-copy {
        display: contents;
    }

    .section-header-pricing h2 {
        order: 1;
        width: 100%;
    }

    .section-header-pricing .pricing-main-title.index-section-title {
        width: 100%;
        white-space: normal;
        text-align: center;
        font-size: var(--index-section-title-mobile-size);
    }

    .pricing-main-title-line {
        display: inline;
    }

    .pricing-header-character {
        width: 80%;
        max-width: 100%;
        flex: 0 0 auto;
        transform: none;
        margin: 0 auto;
        order: 2;
    }

    .section-header p.pricing-highlight {
        width: calc(100vw - 24px);
        max-width: none;
        text-align: center;
        font-size: clamp(1.08rem, 4.2vw, 1.42rem);
        line-height: 1.16;
        white-space: nowrap;
    }

    .section-header p.pricing-highlight br {
        display: none;
    }

    .section-header p.pricing-highlight span:nth-of-type(2)::before {
        content: " ";
    }

    .section-header-pricing .pricing-benefits-description.index-section-description {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        padding: 0;
        box-sizing: border-box;
        text-align: center;
        font-size: var(--index-section-description-mobile-size);
        line-height: 1.5;
    }

    .section-header-pricing .system-header-subtitle {
        text-align: center;
        font-size: clamp(0.83rem, 2.95vw, 1.0rem);
    }

    .app-download-brand-icon {
        display: none;
    }

    .app-download-brand-row {
        justify-content: center;
        gap: 0;
        text-align: center;
    }

    .app-download-brand-text {
        align-items: center;
        text-align: center;
    }

    .app-download-desc,
    .app-download-brand {
        text-align: center;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-checklist li {
        font-size: 1.12rem;
    }

    .hero-support-copy-line {
        font-size: 1.08rem;
        white-space: normal;
    }

  .hero-support-copy-line--strong {
    font-size: 1.08rem;
  }

    .step-head {
        gap: 12px;
        margin-bottom: 14px;
        grid-template-columns: 48px 1fr;
    }

    .step-head-icon-frame {
        width: 48px;
        height: 56px;
    }

    .step-head-icon {
        font-size: 34px;
    }

    .step-number {
        font-size: 36px;
    }

    .step-label {
        font-size: 14px;
    }

    .step-head-text h3 {
        font-size: 1.16rem;
    }

    .step-summary {
        font-size: 0.98rem;
        margin-top: 6px;
    }

    .step-features li {
        font-size: 0.96rem;
    }

    .step-card {
        min-height: auto;
        border-radius: 8px;
        padding: 22px 18px 20px;
        max-width: none;
    }

    .steps-grid {
        gap: 16px;
    }

    .steps-grid,
    .features-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .pricing-comparison {
        margin-top: 24px;
        margin-bottom: 0;
        padding-top: 20px;
    }

    .pricing-comparison-section {
        padding-top: 34px;
        padding-bottom: 52px;
    }

    .pricing-comparison-section .pricing-comparison {
        margin-top: 0;
        padding-top: 0;
    }

    .pricing-comparison-copy {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        margin-bottom: 16px;
        text-align: center;
    }

    .pricing-comparison-kicker {
        display: none;
    }

    .pricing-comparison-copy h3 {
        width: 100%;
        font-size: clamp(1.6rem, 7.2vw, 2.18rem);
        line-height: 1.16;
        text-align: center;
        white-space: normal;
    }

    .pricing-comparison-title span {
        display: block;
    }

    .pricing-comparison-title span + span {
        margin-left: 0;
    }

    .pricing-comparison-title .pricing-comparison-title-accent {
        display: inline;
    }

    .pricing-comparison-lead {
        font-size: clamp(1.36rem, 6.2vw, 1.78rem);
        line-height: 1.28;
    }

    .pricing-comparison-body {
        max-width: 100%;
        font-size: 0.95rem;
        line-height: 1.62;
        white-space: normal;
    }

    .pricing-comparison-copy p:not(.pricing-comparison-lead):not(.pricing-comparison-body) {
        font-size: 0.84rem;
        line-height: 1.48;
    }

    .pricing-comparison-scroll {
        display: none;
    }

    .pricing-comparison-mobile {
        display: block;
    }

    .pricing-comparison-mobile-heading {
        margin: 0 0 8px;
        color: #111827;
        font-size: 0.92rem;
        font-weight: 400;
        text-align: left;
    }

    .pricing-comparison-mobile-matrix {
        overflow: hidden;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        background: #ffffff;
    }

    .pricing-comparison-mobile-row {
        display: grid;
        grid-template-columns: minmax(86px, 1fr) repeat(3, minmax(54px, 0.72fr));
        align-items: stretch;
        width: 100%;
        min-height: 42px;
        padding: 0;
        border: 0;
        border-top: 1px solid #e5e7eb;
        background: #ffffff;
        color: #111827;
        font: inherit;
        text-align: center;
    }

    .pricing-comparison-mobile-row:first-child {
        border-top: 0;
    }

    .pricing-comparison-mobile-row > span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        padding: 7px 5px;
        border-left: 1px solid #e5e7eb;
        font-size: 0.84rem;
        font-weight: 800;
        line-height: 1.2;
        word-break: keep-all;
    }

    .pricing-comparison-mobile-row > span:first-child {
        justify-content: flex-start;
        border-left: 0;
        padding-left: 10px;
        text-align: left;
    }

    .pricing-comparison-mobile-row > span:nth-child(2) {
        background: #dcfce7;
        color: #065f46;
        font-weight: 900;
    }

    .pricing-comparison-mobile-head {
        background: #f8fafc;
    }

    .pricing-comparison-mobile-head > span {
        color: #374151;
        font-size: 0.8rem;
        font-weight: 900;
    }

    button.pricing-comparison-mobile-row {
        cursor: pointer;
    }

    button.pricing-comparison-mobile-row.is-active {
        background: #f0fdf4;
        box-shadow: inset 4px 0 0 #047857;
    }

    button.pricing-comparison-mobile-row:focus-visible {
        outline: 2px solid rgba(4, 120, 87, 0.45);
        outline-offset: -2px;
    }

    .pricing-comparison-mobile-mark {
        font-size: 1rem !important;
        font-weight: 900 !important;
        letter-spacing: 0 !important;
    }

    .pricing-comparison-mobile-mark--yes {
        color: #047857;
    }

    .pricing-comparison-mobile-mark--partial {
        color: #b45309;
    }

    .pricing-comparison-mobile-mark--no {
        color: #6b7280;
    }

    .pricing-comparison-mobile-detail {
        margin-top: 10px;
        padding: 13px 14px;
        border: 1px solid #d1fae5;
        border-radius: 8px;
        background: #f7fef9;
        text-align: left;
    }

    .pricing-comparison-mobile-detail-panel[hidden] {
        display: none;
    }

    .pricing-comparison-mobile-detail-panel h5 {
        margin: 0 0 9px;
        color: #111827;
        font-size: 1rem;
        font-weight: 900;
        line-height: 1.25;
        word-break: keep-all;
    }

    .pricing-comparison-mobile-detail-panel p {
        display: grid;
        grid-template-columns: 76px minmax(0, 1fr);
        gap: 0;
        margin: 7px 0 0;
        color: #374151;
        font-size: 0.86rem;
        font-weight: 500;
        line-height: 1.42;
        word-break: keep-all;
    }

    .pricing-comparison-mobile-detail-panel p:first-of-type {
        margin-top: 0;
    }

    .pricing-comparison-mobile-detail-panel p + p {
        padding-top: 8px;
        border-top: 1px solid rgba(6, 95, 70, 0.12);
    }

    .pricing-comparison-mobile-detail-panel p > span:last-child {
        padding-left: 9px;
        border-left: 1px solid rgba(6, 95, 70, 0.12);
    }

    .pricing-comparison-mobile-detail-provider {
        color: #065f46;
        font-size: 0.8rem;
        font-weight: 900;
        white-space: nowrap;
    }

    .pricing-grid {
        display: flex;
        grid-template-columns: none;
        align-items: stretch;
        gap: 12px;
        overflow-x: auto;
        overflow-y: hidden;
        padding-top: 10px;
        padding-bottom: 22px;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
        touch-action: pan-x pan-y;
        overscroll-behavior-x: contain;
        overscroll-behavior-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .pricing-grid::-webkit-scrollbar {
        display: none;
    }

    .pricing-chat-help {
        order: 4;
        justify-content: center;
        flex-wrap: wrap;
        gap: 6px 8px;
        margin: 8px 0 0;
        font-size: 0.95rem;
        line-height: 1.35;
        text-align: center;
    }

    .pricing-chat-help-link {
        padding: 3px 2px;
    }

    .pricing-plan-control-row {
        display: grid;
        grid-template-columns: minmax(120px, auto) minmax(0, 1fr);
        align-items: center;
        justify-content: stretch;
        gap: 8px 10px;
        margin-bottom: 14px;
        overflow: visible;
    }

    .pricing-plan-choice-row {
        display: contents;
    }

    .pricing-plan-toggle {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1px;
        width: 100%;
        max-width: 100%;
        padding: 3px;
        border-radius: 999px;
        overflow: hidden;
        scroll-snap-type: none;
        scrollbar-width: none;
    }

    .pricing-plan-toggle::-webkit-scrollbar {
        display: none;
    }

    .pricing-plan-toggle::before {
        display: none;
    }

    .pricing-plan-toggle-btn {
        flex: none;
        width: 100%;
        min-width: 0;
        min-height: 50px;
        padding: 0.42rem 0.1rem;
        border-radius: 999px;
        flex-direction: column;
        gap: 0.16rem;
        font-size: 0.78rem;
        scroll-snap-align: none;
    }

    .pricing-plan-toggle-btn > span {
        white-space: nowrap;
    }

    .pricing-plan-toggle-btn small {
        flex: 0 0 auto;
        max-width: 100%;
        padding: 0.1rem 0.22rem;
        border-radius: 999px;
        background: rgba(220, 38, 38, 0.1);
        font-size: 0.52rem;
        line-height: 1;
        white-space: nowrap;
    }

    .pricing-plan-toggle-btn.is-active {
        background: var(--primary-color);
        box-shadow: 0 10px 20px rgba(229, 9, 20, 0.2);
    }

    .pricing-plan-toggle-btn.is-active small {
        background: rgba(255, 255, 255, 0.18);
    }

    .pricing-duration-toggle {
        grid-column: 1;
        width: 128px;
        min-width: 0;
        padding: 3px;
        border-radius: 999px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pricing-duration-toggle::before {
        display: none;
    }

    .pricing-duration-toggle-btn {
        min-height: 50px;
        padding: 0.42rem 0.1rem;
        border-radius: 999px;
        font-size: 0.76rem;
    }

    .pricing-duration-toggle-btn.is-active {
        background: #111827;
        box-shadow: 0 10px 20px rgba(17, 24, 39, 0.16);
    }

    .pricing-refund-guarantee {
        grid-column: 2;
        width: auto;
        align-items: flex-start;
        min-height: 0;
        padding: 0 0 0 0.72rem;
        border-left: 2px solid rgba(229, 9, 20, 0.22);
        border-top: 0;
        text-align: left;
    }

    .pricing-refund-guarantee strong {
        font-size: 0.98rem;
    }

    .pricing-refund-guarantee span {
        font-size: 0.72rem;
    }

    #pricing .pricing-grid > .pricing-card {
        flex: 0 0 clamp(220px, 70vw, 240px);
        width: clamp(220px, 70vw, 240px);
        max-width: 240px;
        padding: 18px 16px 16px;
        box-shadow: 0 6px 14px rgba(15, 23, 42, 0.1);
        scroll-snap-align: start;
    }

    .pricing-price .currency {
        font-size: 1.02rem;
    }

    .pricing-price .amount {
        font-size: 1.98rem;
    }

    .pricing-final-row {
        flex-wrap: wrap;
        row-gap: 0;
        column-gap: 2px;
        max-width: 100%;
    }

    .pricing-price .currency,
    .pricing-price .amount {
        flex: 0 0 auto;
    }

    .pricing-price .period {
        flex: 0 0 100%;
        font-size: 0.82rem;
        line-height: 1.2;
        margin-top: -0.1rem;
        white-space: nowrap;
        text-align: center;
    }

    .pricing-original {
        font-size: 0.8rem;
    }

    .pricing-discount-label {
        font-size: 0.68rem;
        padding: 0.16rem 0.42rem;
    }

    .pricing-point-reward {
        flex-direction: column;
        align-items: center;
        padding: 0.24rem 0.46rem;
        border-radius: 999px;
        font-size: 0.72rem;
        gap: 0.12rem;
        width: min(100%, 170px);
        max-width: 100%;
        line-height: 1.15;
    }

    .pricing-point-reward [data-pricing-point-label][data-mobile-text],
    .pricing-point-reward [data-pricing-point-amount][data-mobile-text] {
        font-size: 0;
        line-height: 0;
    }

    .pricing-point-reward [data-pricing-point-label][data-mobile-text]::after {
        content: attr(data-mobile-text);
        display: block;
        color: #065f46;
        font-size: 0.68rem;
        font-weight: 850;
        line-height: 1.18;
        white-space: nowrap;
    }

    .pricing-point-reward [data-pricing-point-amount][data-mobile-text]::after {
        content: attr(data-mobile-text);
        display: block;
        color: #047857;
        font-size: 0.82rem;
        font-weight: 950;
        line-height: 1.18;
        white-space: nowrap;
    }

    .pricing-point-policy {
        font-size: 0.66rem;
        line-height: 1.3;
    }

    #pricing .pricing-grid > .pricing-card .pricing-features-wrap {
        margin-left: 0;
        margin-right: 0;
        width: 100%;
    }

    .pricing-badge {
        font-size: 0.78rem;
        padding-left: 10px;
        padding-right: 10px;
    }

    .pricing-features {
        margin-bottom: 0.7rem;
        padding-left: 0;
        padding-right: 0;
    }

    .pricing-features li {
        gap: 0.26rem;
        padding: 0.24rem 0;
        font-size: 0.8rem;
        line-height: 1.25;
    }

    .pricing-features li i {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        font-size: 0.72rem;
        color: var(--color-review);
    }

    .reviews-slider-page {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .review-card--slide {
        min-height: 230px;
        border-radius: 16px;
        padding: 16px 14px 14px;
    }

    .review-text--slide {
        font-size: 0.95rem;
        -webkit-line-clamp: 6;
    }

    .pricing-card.pricing-popular {
        transform: none;
    }

    .app-download-band {
        padding: var(--spacing-2xl) 0;
    }

    .app-preview-clip {
        width: min(100%, 340px);
        height: clamp(230px, calc(64vw + 10px), 330px);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .lesson-types {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 80px;
        column-gap: 4px;
        text-align: left;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-content > .footer-links:nth-child(2) {
        display: none;
    }

    .footer-content > .footer-links:nth-child(3) {
        grid-column: 1;
        margin-left: 30px;
    }

    .footer-content > .footer-contact:nth-child(4) {
        grid-column: 2;
        text-align: left;
    }

    .footer-links {
        text-align: left;
    }

    .footer-links h4,
    .footer-contact h4 {
        font-size: 0.95rem;
        margin-bottom: 0.48rem;
    }

    .footer-links li {
        margin-bottom: 0.34rem;
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.86rem;
    }

    .footer-content > .footer-links:nth-child(3),
    .footer-content > .footer-contact:nth-child(4) {
        border-left: none;
        padding-left: 0;
    }

    .footer-contact p {
        justify-content: flex-start;
    }

    .footer-content > .footer-contact:nth-child(4) {
        text-align: left;
    }

    .footer-content > .footer-contact:nth-child(4) h4 {
        text-align: left;
    }

    .footer-content > .footer-contact:nth-child(4) p {
        justify-content: flex-start;
    }

    .footer-business-meta {
        align-items: center;
        font-size: 0.76rem;
    }

    .footer-business-meta p {
        text-align: center;
    }

    .footer-bottom-main {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .footer-copyright {
        grid-column: 1;
    }

    .footer-language {
        grid-column: 1;
        justify-self: center;
    }

    .footer-sheet {
        width: min(800px, calc(100vw - 16px));
        max-width: 800px;
        left: auto;
        right: 8px;
        bottom: 8px;
        min-height: 320px;
        height: min(calc(50vh + 150px), calc(100vh - 56px));
        max-height: calc(100vh - 16px);
        border-radius: 16px 16px 0 0;
    }

    .footer-sheet-header {
        padding: 0.85rem 0.95rem 0.75rem;
    }

    .footer-sheet-content {
        padding: 0.9rem 0.95rem 1.2rem;
    }

    .footer-legal-line.chapter {
        font-size: 0.96rem;
    }

    .footer-legal-line.article,
    .footer-legal-line.appendix {
        font-size: 0.94rem;
    }

    .footer-legal-line.numeric,
    .footer-legal-line.alpha,
    .footer-legal-line.bullet,
    .footer-legal-line.text {
        font-size: 0.92rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .pricing-notes {
        max-width: 100%;
        padding-top: 14px;
        gap: 5px;
    }

    .pricing-note-main {
        font-size: 1.02rem;
    }

    .pricing-note-sub {
        font-size: 0.92rem;
    }

    .pricing-note-emphasis {
        font-size: 1.18em;
    }

    .pricing-note-detail {
        margin-top: 7px;
        font-size: 0.82rem;
        line-height: 1.58;
    }

    .stats-learning-marquee {
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
    }

    .stats-learning-card {
        width: min(56vw, 184px);
        height: 320px;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .hero-text h1 {
        font-size: 1.9rem;
    }

    .hero-subtitle {
        font-size: 1.03rem;
    }

    .hero-checklist li {
        font-size: 1.08rem;
    }

    .hero-support-copy {
        margin-top: 2.2rem;
    }

    .hero-support-copy-line {
        font-size: 1.02rem;
        white-space: normal;
    }

  .hero-support-copy-line--strong {
    font-size: 1.02rem;
  }

    .hero-phone-showcase .phone-mockup-preview-main {
        width: clamp(160px, 46vw, 200px);
        max-width: 200px;
    }

    .hero-phone-showcase .phone-mockup-lecture-side {
        width: clamp(132px, 36vw, 166px);
        max-width: 166px;
    }

    .btn-cta,
    .btn-cta-white {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

@font-face {
    font-family: 'GmarketSansBold';
    src: url('/lib/fonts/gmarket-sans/GmarketSansBold.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: block;
}

/* ===== Shared Index Section Typography ===== */
.index-section-title {
    margin: 0;
    color: var(--index-section-title-color);
    font-family: 'GmarketSansBold', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: var(--index-section-title-size);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: 0;
    word-break: keep-all;
}

.index-section-subtitle {
    margin-top: clamp(22px, 2.7vw, 34px);
    color: var(--index-section-subtitle-color);
    font-family: var(--font-family);
    font-size: var(--index-section-subtitle-size);
    font-weight: 400;
    line-height: 1.24;
    letter-spacing: 0;
    word-break: keep-all;
}

.index-section-description {
    color: var(--index-section-description-color);
    font-size: var(--index-section-description-size);
    font-weight: 500;
    line-height: 1.78;
    letter-spacing: 0;
    word-break: keep-all;
}

.index-section-title.index-section-title,
.event-stack-headline.index-section-title,
.learning-journey-title.index-section-title,
.first-class-discount-title.index-section-title,
.stats-heading.index-section-title,
.section-header-testimonials h2.index-section-title,
.pricing-comparison-copy h3.index-section-title,
.home-faq-intro h2.index-section-title {
    color: var(--index-section-title-color);
    font-family: 'GmarketSansBold', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: var(--index-section-title-size);
    font-weight: 400;
    line-height: 1.08;
}

.index-section-subtitle.index-section-subtitle,
.section-header p.index-section-subtitle {
    color: var(--index-section-subtitle-color);
    font-family: var(--font-family);
    font-size: var(--index-section-subtitle-size);
    font-weight: 400;
    line-height: 1.24;
}

.index-section-description.index-section-description,
.section-header p.index-section-description {
    color: var(--index-section-description-color);
    font-size: var(--index-section-description-size);
    font-weight: 500;
    line-height: 1.78;
}

#event-benefits,
#system,
#first-class-discount,
#stats,
#testimonials,
.ai-assessment-section {
    --index-section-title-color: #111827;
    --index-section-subtitle-color: #15803d;
    --index-section-description-color: #1f2937;
}

.event-stack-headline.index-section-title .event-stack-headline-line,
.event-stack-headline.index-section-title .event-stack-headline-line--lead span {
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.event-stack-headline.index-section-title .event-stack-headline-benefit {
    color: var(--event-red);
}

@media (min-width: 769px) {
    #event-benefits .event-stack-headline.index-section-title {
        white-space: normal;
        max-width: 1200px;
    }

    #event-benefits .event-stack-headline.index-section-title .event-stack-headline-line {
        display: block;
    }
}

.learning-journey-title.index-section-title .learning-title-line {
    font-size: inherit;
    line-height: inherit;
}

.learning-journey-title.index-section-title .learning-title-line--desktop-loop,
.learning-journey-title.index-section-title .learning-title-line--mobile-loop {
    color: var(--index-section-title-color);
    font-size: inherit;
    font-weight: 400;
    line-height: inherit;
}

.learning-journey-title.index-section-title .index-section-subtitle {
    color: var(--index-section-subtitle-color);
    font-family: var(--font-family);
    font-size: var(--index-section-subtitle-size);
    font-weight: 400;
    line-height: 1.24;
}

.learning-journey-title.index-section-title .learning-title-line--desktop-fun,
.learning-journey-title.index-section-title .learning-title-line--mobile-support {
    margin-top: clamp(14px, 1.7vw, 24px);
}

.learning-journey-title.index-section-title .learning-title-line--desktop-fun + .learning-title-line--desktop-irresistible,
.learning-journey-title.index-section-title .learning-title-line--mobile-support + .learning-title-line--mobile-support {
    margin-top: 5px;
}

.first-class-discount-title.index-section-title span,
.first-class-discount-title.index-section-title strong {
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.first-class-discount-title.index-section-title strong {
    color: #e53935;
}

.stats-heading.index-section-title .stats-header-dark,
.stats-heading.index-section-title .stats-header-accent {
    font-size: inherit;
    line-height: inherit;
}

.stats-heading.index-section-title .stats-header-dark {
    color: var(--index-section-title-color);
    font-weight: 400;
}

.stats-heading.index-section-title .stats-header-accent {
    color: var(--index-section-subtitle-color);
    font-weight: 400;
}

.section-header-testimonials h2.index-section-title .system-header-dark,
.section-header-testimonials h2.index-section-title .system-header-accent {
    font-size: inherit;
    line-height: inherit;
    opacity: 1;
    mix-blend-mode: normal;
}

.section-header-testimonials h2.index-section-title .system-header-dark {
    color: var(--index-section-title-color);
    font-weight: 400;
    -webkit-text-fill-color: var(--index-section-title-color);
}

.section-header-testimonials h2.index-section-title .system-header-accent {
    color: var(--index-section-subtitle-color);
    font-weight: 400;
    -webkit-text-fill-color: var(--index-section-subtitle-color);
}

.ai-assessment-section {
    --index-section-title-color: #ffffff;
    --index-section-subtitle-color: #7cffbd;
    --index-section-description-color: rgba(235, 247, 241, 0.82);
}

.pricing-comparison-section,
#pricing,
.home-faq-section {
    --index-section-title-color: #111827;
    --index-section-subtitle-color: #15803d;
    --index-section-description-color: #1f2937;
}

@media (max-width: 768px) {
    .index-section-title {
        font-size: var(--index-section-title-mobile-size);
        line-height: 1.12;
    }

    .index-section-subtitle {
        font-size: var(--index-section-subtitle-mobile-size);
        line-height: 1.2;
    }

    .index-section-description {
        font-size: var(--index-section-description-mobile-size);
        line-height: 1.68;
    }

    .index-section-title.index-section-title,
    .event-stack-headline.index-section-title,
    .learning-journey-title.index-section-title,
    .first-class-discount-title.index-section-title,
    .stats-heading.index-section-title,
    .section-header-testimonials h2.index-section-title,
    .pricing-comparison-copy h3.index-section-title,
    .home-faq-intro h2.index-section-title {
        font-size: var(--index-section-title-mobile-size);
        line-height: 1.12;
    }

    .index-section-subtitle.index-section-subtitle,
    .section-header p.index-section-subtitle {
        font-size: var(--index-section-subtitle-mobile-size);
        line-height: 1.2;
    }

    .index-section-description.index-section-description,
    .section-header p.index-section-description {
        font-size: var(--index-section-description-mobile-size);
        line-height: 1.68;
    }
}