/* ============================================================
   styles.css — Мифы о детской миопии
   Тёплая образовательная палитра, вдохновлённая маскотом и скриншотом
   ============================================================ */

/* ---- CSS CUSTOM PROPERTIES ---- */
:root {
  /* TODO: заменить на палитру из изображений */
  /* Основная палитра — тёплые янтарно-коричневые тона из скриншота и маскота */
  --color-primary:     #E8910A;   /* янтарный-оранжевый (цвет надписи "Миф 2") */
  --color-primary-dk:  #C97800;   /* тёмный вариант акцента */
  --color-primary-lt:  #FFF3DC;   /* светлый фон акцентных блоков */

  --color-secondary:   #6B8E4E;   /* зелёный жилет маскота */
  --color-secondary-lt:#EDF4E7;   /* бледно-зелёный фон */

  --color-accent:      #8B5E3C;   /* коричневый (мех маскота, галстук) */
  --color-accent-lt:   #F5EBE0;   /* тёплый бежевый */

  /* Фоны */
  --bg-main:    #FDFAF5;          /* тёплый белый (основной фон страницы) */
  --bg-section: #F7F1E8;          /* бежевый (секции-зебра) */
  --bg-card:    #FFFFFF;          /* белый для карточек */

  /* Текст */
  --text-primary:   #2D1F0E;      /* очень тёмный коричневый */
  --text-secondary: #6B5744;      /* средний коричневый */
  --text-muted:     #A08870;      /* приглушённый */

  /* Утилиты */
  --border:       rgba(139, 94, 60, 0.15);
  --shadow-sm:    0 2px 8px rgba(139, 94, 60, 0.08);
  --shadow-md:    0 6px 24px rgba(139, 94, 60, 0.12);
  --shadow-lg:    0 16px 48px rgba(139, 94, 60, 0.16);

  /* Типографика */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Nunito', system-ui, sans-serif;

  /* Сетка */
  --container:    1200px;
  --gap:          1.5rem;

  /* Скругления */
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  /* Переходы */
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 145, 10, 0.35);
}
.btn-primary:hover {
  background: var(--color-primary-dk);
  box-shadow: 0 6px 24px rgba(232, 145, 10, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-ghost:hover {
  background: var(--color-accent-lt);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 250, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dk);
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.8; }
.logo-eye { font-size: 1.4rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover,
.nav-link.active {
  background: var(--color-primary-lt);
  color: var(--color-primary-dk);
}

/* Бургер */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--color-primary-lt) 0%, var(--bg-main) 60%);
  padding-top: 5rem;
  padding-bottom: 0;
  overflow: hidden;
}

/* Декоративные точки */
.hero-bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(232,145,10,0.12) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  min-height: 580px;
  padding-bottom: 5rem;
}

.hero-badge {
  display: inline-block;
  background: var(--color-secondary-lt);
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.hero-title-accent {
  color: var(--color-primary);
  position: relative;
}
.hero-title-accent::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
  border-radius: 4px;
  opacity: 0.4;
}

.hero-sub {
  font-size: 1.5rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Маскот */
.hero-mascot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

/* Маскот — PNG с прозрачным фоном */
.mascot-img {
  width: 100%;
  max-width: 380px;
  filter: drop-shadow(0 24px 40px rgba(139,94,60,0.25));
  animation: mascot-float 4s ease-in-out infinite;
  /* Убираем чёрный фон — работает только с PNG без фона */
}

@keyframes mascot-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.mascot-bubble {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  border-bottom-right-radius: 4px;
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  margin-bottom: -1rem;
  position: relative;
  z-index: 2;
  max-width: 240px;
  text-align: center;
  line-height: 1.5;
  animation: bubble-pop 0.5s 0.6s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes bubble-pop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* Волна под hero */
.hero-wave {
  line-height: 0;
}
.hero-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* ============================================================
   SECTION SHARED STYLES
   ============================================================ */
.myths-section,
.conclusion-section,
.materials-section,
.authors-section {
  padding-block: 6rem;
}

.myths-section   { background: var(--bg-section); }
.conclusion-section { background: var(--bg-main); }
.materials-section  { background: var(--bg-section); }
.authors-section    { background: var(--bg-main); }

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 4rem;
}
.section-tag {
  display: inline-block;
  background: var(--color-primary-lt);
  color: var(--color-primary-dk);
  border-radius: 100px;
  padding: 0.25rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ============================================================
   MYTH CARDS
   ============================================================ */
.myth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  /* Тени нет у закрытой карточки — иначе тени стопкой торчат снизу списка */
  box-shadow: none;
  transition: box-shadow var(--transition), transform var(--transition);
}
.myth-card:hover {
  box-shadow: 0 4px 16px rgba(139, 94, 60, 0.10);
}
/* Карточка открыта */
.myth-card.is-open {
  box-shadow: var(--shadow-lg);
}

/* ---- Заголовок-кнопка ---- */
.myth-card-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  width: 100%;
  text-align: left;
  background: linear-gradient(135deg, var(--color-primary-lt) 0%, #fff 100%);
  border: none;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), border-radius var(--transition);
  font-family: inherit;
  /* Скругления: все 4 угла по умолчанию (карточка закрыта) */
  border-radius: calc(var(--radius-lg) - 1px);
}
.myth-card-header:hover {
  background: linear-gradient(135deg, #ffe8b0 0%, #fff8ee 100%);
}
/* Когда открыта — нижние углы кнопки становятся прямыми */
.myth-card.is-open .myth-card-header {
  border-bottom-color: var(--border);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.myth-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  min-width: 3.5rem;
  transition: opacity var(--transition);
}
.myth-card.is-open .myth-number,
.myth-card-header:hover .myth-number {
  opacity: 0.55;
}

.myth-label-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0.2rem;
  flex: 1;
  min-width: 0;
}

.myth-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  width: fit-content;
}
.myth-label--myth {
  background: rgba(232,145,10,0.15);
  color: var(--color-primary-dk);
}

.myth-title {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.4;
}

/* ---- Шеврон ---- */
.myth-chevron {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-lt);
  border: 1.5px solid rgba(232,145,10,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition);
  margin-left: auto;
}
.myth-chevron::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2.5px solid var(--color-primary-dk);
  border-bottom: 2.5px solid var(--color-primary-dk);
  transform: rotate(45deg) translate(-1px, -2px);
  transition: transform var(--transition);
}
.myth-card.is-open .myth-chevron {
  background: var(--color-primary);
}
.myth-card.is-open .myth-chevron::after {
  border-color: #fff;
  transform: rotate(-135deg) translate(-1px, -2px);
}

/* ---- Тело аккордеона (свёрнуто по умолчанию) ---- */
.myth-body {
  /* grid trick: высота 0 → авто без JS-вычислений высоты */
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.myth-body-inner {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 0 2rem;
  /* padding анимируем отдельно */
  padding-top: 0;
  padding-bottom: 0;
  transition: padding 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  /* Нижние углы — скруглены как у карточки */
  border-radius: 0 0 calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px);
}
.myth-card.is-open .myth-body {
  grid-template-rows: 1fr;
}
.myth-card.is-open .myth-body-inner {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.myth-fact,
.myth-conclusion {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
}

.myth-fact {
  background: var(--color-secondary-lt);
  border-left: 4px solid var(--color-secondary);
}
.myth-conclusion {
  background: var(--color-accent-lt);
  border-left: 4px solid var(--color-accent);
}

.fact-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.fact-title {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}
.myth-fact p,
.myth-conclusion p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Video */
.video-wrap {
  margin-top: 0.5rem;
}
.video-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.video-responsive {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #1a1a1a;
}
.video-responsive iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Плейсхолдер для видео */
.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2D1F0E 0%, #5C3A1E 100%);
}
.video-placeholder-inner {
  text-align: center;
  color: rgba(255,255,255,0.7);
  padding: 1.5rem;
}
.play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin: 0 auto 0.75rem;
  box-shadow: 0 0 0 8px rgba(232,145,10,0.2);
}
.video-placeholder-inner p {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.video-placeholder-inner code {
  display: block;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-align: left;
  line-height: 1.6;
  font-family: monospace;
}

/* ============================================================
   CONCLUSION
   ============================================================ */
.conclusion-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: 3rem;
}

.conclusion-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  margin-bottom: 3rem;
}

.conclusion-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.conclusion-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.conclusion-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.conclusion-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.conclusion-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* CTA блок */
.cta-block {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  background: linear-gradient(135deg, var(--color-primary-lt) 0%, var(--color-secondary-lt) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem 3rem;
  box-shadow: var(--shadow-md);
}

.cta-mascot-mini {
  flex-shrink: 0;
  width: 160px;
}
.cta-mascot-mini img {
  width: 100%;
  filter: drop-shadow(0 8px 20px rgba(139,94,60,0.2));
}

.cta-text h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.cta-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
   MATERIALS
   ============================================================ */
.materials-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.material-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.material-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.material-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 3rem;
  text-align: center;
}

.material-info {
  flex: 1;
}
.material-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.material-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}
.material-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.material-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* ============================================================
   AUTHORS
   ============================================================ */
.authors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.author-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  text-align: center;
}
.author-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.author-photo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

/* TODO: замените на тег <img> когда будут фото авторов */
.author-photo-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-lt), var(--color-secondary-lt));
  border: 3px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary-dk);
}

/* Если использовать реальные фото: */
.author-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary-lt);
  box-shadow: var(--shadow-sm);
}

.author-badge {
  position: absolute;
  bottom: -4px;
  right: calc(50% - 64px);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  white-space: nowrap;
}

.author-name {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}
.author-role {
  font-size: 0.8rem;
  color: var(--color-secondary);
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.author-bio {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.author-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}
.author-contact-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  transition: background var(--transition);
}
.author-contact-link:hover {
  background: var(--color-accent-lt);
}
.contact-icon { font-size: 0.9rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--text-primary);
  color: rgba(255,255,255,0.6);
  padding-block: 2.5rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  margin-bottom: 0.25rem;
}
.footer-copy    { font-size: 0.85rem; }
.footer-disclaimer {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================================
   REVEAL ANIMATIONS (управляется через JS / IntersectionObserver)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ============================================================
   RESPONSIVE — TABLET (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-bottom: 3rem;
  }
  .hero-mascot {
    order: -1;
    max-width: 260px;
    margin: 0 auto;
  }
  .hero-content { text-align: center; }
  .hero-sub     { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats   { justify-content: center; }
  .hero-title-accent::after { display: none; }

  .conclusion-grid  { grid-template-columns: 1fr 1fr; }
  .conclusion-grid-4  { grid-template-columns: 1fr 1fr; }
  .authors-grid     { grid-template-columns: 1fr 1fr; }

  .cta-block {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }
  .cta-mascot-mini { width: 120px; }
  .cta-buttons { justify-content: center; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav { position: relative; }
  .burger { display: flex; }

  .myths-section,
  .conclusion-section,
  .materials-section,
  .authors-section {
    padding-block: 3.5rem;
  }

  .myth-card-header { padding: 1.25rem 1.25rem; gap: 0.75rem; }
  .myth-number      { font-size: 2rem; min-width: 2.5rem; }
  .myth-body-inner  { padding-left: 1.25rem; padding-right: 1.25rem; }
  .myth-card.is-open .myth-body-inner { padding-top: 1.5rem; padding-bottom: 1.5rem; }

  .material-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .material-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .conclusion-grid  { grid-template-columns: 1fr; }
  .conclusion-grid-4  { grid-template-columns: 1fr; }
  .authors-grid     { grid-template-columns: 1fr; }

  .cta-block { padding: 1.5rem; gap: 1.5rem; }
}