:root {
    --primary: #37284c;
    --primary-hover: #4a3766;
    --accent: #e56b81;
    --bg-page: #fcfbfa;
    --bg-card: #ffffff;
    --text-main: #2b2735;
    --text-muted: #6e6a78;
    --lavender-bg: #efeaf6;
    --lavender-card: #f8f6fc;
    --border-color: #ebe6f2;
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --header-height: 76px;
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-page);
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Scroll Snap контейнер слайдов */
.slides-container {
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
}

.slides-container::-webkit-scrollbar {
    display: none;
}

.slide-section {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    position: relative;
    box-sizing: border-box;
}

.container {
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(55, 40, 76, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-header {
    background: var(--primary);
    color: #fff;
    padding: 9px 20px;
    font-size: 13px;
}
.btn-header:hover { background: var(--primary-hover); }

.btn-sm { padding: 9px 18px; font-size: 13px; }
.full-width { width: 100%; }

/* Шапка */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 200;
    background: rgba(252, 251, 250, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 2.5px;
    color: var(--primary);
    text-decoration: none;
}
.logo span { font-weight: 400; opacity: 0.7; }

.nav-links {
    display: flex;
    gap: 18px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    border-radius: 2px;
}

/* Боковой индикатор слайдов */
.slide-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 150;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(55, 40, 76, 0.25);
    cursor: pointer;
    transition: var(--transition);
}

.indicator-dot.active {
    background: var(--accent);
    transform: scale(1.6);
}

/* Заголовки */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(34px, 4vw, 46px);
    font-weight: 500;
    line-height: 1.15;
    color: var(--primary);
    margin-bottom: 8px;
}
.section-title em {
    font-style: italic;
    color: var(--primary-hover);
}
.section-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

/* 1. Hero экран */
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}
.hero-subtag {
    display: inline-block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 4.8vw, 56px);
    line-height: 1.1;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 16px;
}
.hero-title em { font-style: italic; }
.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 24px;
    max-width: 480px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 12px;
}
.hero-free-link {
    display: inline-block;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 28px;
}
.hero-free-link:hover { text-decoration: underline; }

.hero-badges {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}
.badge-item strong { display: block; font-size: 12px; color: var(--primary); }
.badge-item span { font-size: 11px; color: var(--text-muted); }
.badge-icon { font-size: 18px; }

.hero-card-promo {
    background: linear-gradient(145deg, #ede7f6, #ded4ee);
    padding: 44px 34px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 20px 40px rgba(55,40,76,0.06);
}
.quote-badge {
    display: inline-block;
    background: rgba(255,255,255,0.7);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 14px;
}
.hero-quote {
    font-family: var(--font-heading);
    font-size: 24px;
    font-style: italic;
    line-height: 1.3;
    color: var(--primary);
    margin-bottom: 18px;
}
.promo-footer {
    font-size: 12px;
    color: var(--primary-hover);
    font-weight: 600;
    letter-spacing: 1px;
}

/* 2. Слайд «С чем Вы к нам?» */
.quiz-header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 24px;
}
.quiz-header-wrap .section-desc {
    max-width: 440px;
    margin-bottom: 8px;
    text-align: right;
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.quiz-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px 20px 24px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    position: relative;
    box-shadow: 0 4px 12px rgba(55,40,76,0.02);
}
.quiz-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(55,40,76,0.08);
}
.quiz-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.35;
    margin-bottom: 8px;
    display: block;
}
.quiz-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    line-height: 1.25;
}
.quiz-sub {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.45;
    padding-right: 20px;
}
.quiz-arrow {
    position: absolute;
    bottom: 14px;
    right: 18px;
    font-size: 15px;
    color: var(--primary);
    opacity: 0.6;
    transition: var(--transition);
}
.quiz-card:hover .quiz-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* AI Слайд */
.ai-slide-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
}
.ai-left-content .quote-badge {
    background: var(--lavender-bg);
}
.ai-cards-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}
.ai-feature-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: var(--transition);
}
.ai-feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 6px 18px rgba(55,40,76,0.06);
}
.ai-card-icon {
    font-size: 20px;
    line-height: 1.2;
}
.ai-feature-card h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 3px;
}
.ai-feature-card p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.ai-right-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.phone-mockup-frame {
    width: 250px;
    height: 480px;
    background: #1e1b24;
    border-radius: 36px;
    border: 6px solid #2d2638;
    box-shadow: 0 20px 45px rgba(55, 40, 76, 0.25), 0 0 0 2px #443754;
    position: relative;
    overflow: hidden;
}
.phone-camera-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 14px;
    background: #141219;
    border-radius: 10px;
    z-index: 10;
}
.phone-video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 30px;
}

/* 3. Колесо Подарков */
.wheel-box-slide {
    background: var(--primary);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    box-shadow: 0 20px 50px rgba(55,40,76,0.15);
}
.wheel-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}
.wheel-tag {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 2px;
    color: #ffe082;
    display: block;
    margin-bottom: 8px;
}
.wheel-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 3.5vw, 42px);
    line-height: 1.1;
    margin-bottom: 10px;
}
.wheel-title em { font-style: italic; color: #ffe082; }
.wheel-desc { font-size: 13px; opacity: 0.9; margin-bottom: 18px; }
.wheel-form input {
    width: 100%;
    padding: 13px 18px;
    border-radius: 40px;
    border: none;
    font-size: 13px;
    margin-bottom: 10px;
    font-family: inherit;
    outline: none;
}
.btn-wheel {
    background: #ffe082;
    color: #242228;
    width: 100%;
    border-radius: 40px;
}
.btn-wheel:hover { background: #ffd54f; }

.wheel-wrapper {
    position: relative;
    width: 340px;
    height: 340px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.wheel-pointer {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 26px;
    color: #ffe082;
    z-index: 10;
    line-height: 1;
}
#wheelCanvas {
    width: 100%;
    max-width: 340px;
    height: auto;
    display: block;
}
.wheel-result-msg {
    margin-top: 12px;
    font-size: 13px;
    font-weight: 600;
    color: #ffe082;
    min-height: 20px;
}

/* 4. Шаги */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}
.step-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px 16px;
    text-align: left;
    transition: var(--transition);
}
.step-card:hover { border-color: var(--primary-hover); transform: translateY(-3px); }
.step-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.3;
    margin-bottom: 8px;
}
.step-card h4 { font-size: 14px; margin-bottom: 6px; color: var(--primary); }
.step-card p { font-size: 12px; color: var(--text-muted); }

/* 5. Форматы */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto; 
}
.format-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}
.format-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 12px 30px rgba(55,40,76,0.08);
}
.format-tag {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.format-tag.accent { color: var(--accent); }
.format-card h3 { font-family: var(--font-heading); font-size: 24px; color: var(--primary); }
.format-desc { font-size: 12px; color: var(--text-muted); margin: 6px 0 14px; }
.format-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 14px;
}
.format-price span { font-size: 12px; font-weight: 400; color: var(--text-muted); }
.format-features {
    list-style: none;
    margin-bottom: 20px;
    flex-grow: 1;
}
.format-features li {
    font-size: 12px;
    color: var(--text-main);
    margin-bottom: 6px;
}

/* 6. Преподаватели */
.teachers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.teacher-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
}

.teacher-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--lavender-bg);
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; 
}
.teacher-avatar-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: block;
}

.teacher-card h3 { font-size: 18px; color: var(--primary); }
.teacher-spec { font-size: 11px; font-weight: 600; color: var(--accent); margin: 3px 0 16px; }
.teacher-help-box {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    flex-wrap: wrap;
}

/* 7. Кейсы (АККОРДЕОН) */
.cases-split-container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 40px;
    align-items: center;
}

.cases-left .section-title {
    text-align: left;
}

.cases-left .section-desc {
    text-align: left;
    margin-bottom: 0;
}

.cases-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.case-accordion-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    overflow: hidden;
}

.case-accordion-item:hover {
    border-color: var(--primary-hover);
}

.case-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    background: transparent;
}

.case-accordion-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.case-accordion-title h4 {
    font-size: 16px;
    color: var(--primary);
    margin: 0;
}

.case-toggle-btn {
    font-size: 26px;
    line-height: 1;
    font-weight: 300;
    color: var(--primary);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--lavender-bg);
}

.case-accordion-body {
    max-height: 0;
    opacity: 0;
    padding: 0 24px;
    transition: all 0.4s ease;
    overflow: hidden; 
}

.case-accordion-item.active {
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(55,40,76,0.08);
}

.case-accordion-item.active .case-toggle-btn {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.case-accordion-item.active .case-accordion-body {
    max-height: 800px;
    opacity: 1;
    padding-bottom: 24px;
}

.case-split-content {
    display: flex;
    gap: 24px;
    padding-top: 8px;
}

.case-split-left {
    flex: 1;
}

.case-split-right {
    flex: 1;
    display: flex;
    flex-direction: column; 
    justify-content: flex-start; 
}

.case-todo-list strong,
.case-review-block strong {
    display: block;
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 12px;
}

.case-review-block {
    width: 100%;
}

.case-todo-list ul {
    list-style: none;
}

.case-todo-list li {
    font-size: 13px;
    color: var(--text-main);
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.case-todo-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 700;
}

.case-review-text {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-muted);
    background: var(--lavender-card);
    padding: 16px;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.case-review-text p {
    margin-bottom: 8px;
}

.case-review-text p:last-child {
    margin-bottom: 0;
}

.telegram-circle-video {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1 / 1; 
    object-fit: contain; 
    background: transparent;
    display: block;
    margin: 0 auto;
    border-radius: 16px;
}

/* 8. О школе / Статистика + Соцсети */
.stats-grid-slide {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 16px;
    margin-bottom: 24px;
}
.stat-card-slide {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 26px 18px;
}
.stat-val {
    font-family: var(--font-heading);
    font-size: 44px;
    font-weight: 600;
    color: var(--primary);
}
.stat-label { font-size: 12px; color: var(--text-muted); }

.about-links-box {
    background: var(--lavender-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px 28px;
    margin-top: 8px;
}
.about-links-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 14px;
}
.about-buttons-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}
.btn-social {
    padding: 10px 22px;
    font-size: 13px;
    gap: 8px;
}

/* 9. Материалы, Финал и Футер */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 16px;
}
.material-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
}
.material-icon { font-size: 24px; margin-bottom: 8px; }
.material-card h4 { font-size: 14px; margin-bottom: 6px; color: var(--primary); }
.material-card p { font-size: 11px; color: var(--text-muted); margin-bottom: 12px; flex-grow: 1; }

.final-banner-slide {
    background: var(--lavender-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.final-text h3 { font-family: var(--font-heading); font-size: 22px; color: var(--primary); margin-bottom: 2px; }
.final-text p { font-size: 12px; color: var(--text-muted); }

.footer-slide-mini {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
}
.footer-links-mini a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 14px;
    transition: var(--transition);
}
.footer-links-mini a:hover { color: var(--primary); }

/* Плавающая кнопка записи */
.floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--primary);
    color: #ffffff;
    padding: 12px 22px;
    border-radius: 40px;
    border: none;
    box-shadow: 0 10px 25px rgba(55,40,76,0.25);
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 99;
    transition: var(--transition);
}
.floating-btn:hover { transform: scale(1.05); }

/* Модальные окна */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(36, 34, 40, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}
.modal-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 34px;
    max-width: 440px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}
.modal-title { font-family: var(--font-heading); font-size: 28px; margin-bottom: 6px; color: var(--primary); }
.modal-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }
.form-group { margin-bottom: 12px; text-align: left; }
.form-group label { display: block; font-size: 11px; font-weight: 600; margin-bottom: 4px; color: var(--text-main); }
.form-group input, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 13px;
    outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }

/* Разделитель в модалке */
.modal-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 16px 0;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.modal-divider::before,
.modal-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}
.modal-divider span {
    padding: 0 10px;
}

/* Кнопка Телеграм */
.btn-telegram {
    background-color: #2AABEE; 
    color: #ffffff;
    text-decoration: none;
    display: flex;
    gap: 8px;
}
.btn-telegram:hover {
    background-color: #2298d6;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(42, 171, 238, 0.3);
}

/* --- Стили для окна визитки преподавателя --- */
.teacher-modal-card {
    max-width: 720px;
    padding: 34px 28px;
    text-align: center;
}
.teacher-media-box {
    margin: 16px 0 24px;
}
.teacher-modal-split {
    display: flex;
    align-items: center;
    gap: 24px;
    text-align: left;
}
.teacher-modal-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.6;
}
.teacher-modal-visual {
    flex: 1.2; 
    display: flex;
    justify-content: center;
    align-items: center;
}
.teacher-modal-visual video {
    max-width: 100%;
    width: auto; 
    max-height: 540px; 
    border-radius: var(--radius-md); 
    display: block;
}
.teacher-modal-visual img {
    width: 100%;
    max-height: 440px;
    object-fit: cover;
    border-radius: var(--radius-md);
    display: block;
}

/* =========================================
   АДАПТИВНОСТЬ (МОБИЛЬНАЯ ВЕРСИЯ И ПЛАНШЕТЫ)
   ========================================= */

@media (max-width: 1024px) {
    .quiz-grid, .steps-grid, .teachers-grid, .stats-grid-slide, .materials-grid, .ai-slide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .formats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-grid, .wheel-container, .quiz-header-wrap, .ai-slide-grid { 
        grid-template-columns: 1fr; 
        flex-direction: column; 
        align-items: flex-start; 
    }
    .cases-split-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .cases-left .section-title, .cases-left .section-desc {
        text-align: left;
    }
    .phone-mockup-frame {
        width: 220px;
        height: 420px;
    }
    .quiz-header-wrap .section-desc { text-align: left; }
    .nav-links { display: none; }
}

@media (max-width: 768px) {
    html, body {
        overflow: auto !important;
        height: auto !important;
    }
    
    .slides-container {
        height: auto;
        overflow-y: visible;
        scroll-snap-type: none;
    }
    
    .slide-section {
        height: auto;
        min-height: auto;
        scroll-snap-align: none;
        padding-top: 90px;
        padding-bottom: 60px;
        display: block;
        border-bottom: 8px solid var(--lavender-bg);
    }

    .slide-last {
        border-bottom: none;
    }

    .container { padding: 0 16px; }

    .slide-indicator { display: none; }
    .btn-header { display: none; }

    .quiz-grid, .steps-grid, .teachers-grid, .stats-grid-slide, 
    .materials-grid, .formats-grid {
        grid-template-columns: 1fr;
    }

    .hero-title { font-size: 32px; }
    .section-title { font-size: 26px; }
    .hero-card-promo { margin-top: 30px; padding: 24px 16px; }

    /* Колесо подарков адаптив */
    .wheel-wrapper { 
        width: 100%; 
        max-width: 290px; 
        height: 290px; 
        margin: 0 auto 20px; 
    }
    #wheelCanvas { 
        width: 100%; 
        max-width: 290px; 
        height: auto; 
    }
    .wheel-container { gap: 24px; }
    .wheel-box-slide { padding: 32px 20px; }

    .phone-mockup-frame { width: 200px; height: 380px; margin: 0 auto; display: block; }

    .case-split-content { flex-direction: column; gap: 16px; }
    .telegram-circle-video { max-width: 200px; }

    .final-banner-slide { flex-direction: column; text-align: center; gap: 16px; }
    .final-banner-slide .btn { width: 100%; }

    .footer-slide-mini { flex-direction: column; gap: 16px; text-align: center; padding-bottom: 80px; }
    .footer-links-mini { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
    .footer-links-mini a { margin-left: 0; }

    .modal-card { padding: 24px 20px; }
    .teacher-modal-split { flex-direction: column-reverse; }
    .teacher-modal-visual video, .teacher-modal-visual img { max-height: 250px; }
}