/* ==========================================================================
   TulaChess71 — премиальный дизайн шахматной школы
   Токены: почти-чёрный + слоновая кость + античное золото
   ========================================================================== */

:root {
  --color-black:        #121113;
  --color-black-soft:   #1B1A1D;
  --color-ivory:        #F8F6F1;
  --color-ivory-dim:    #EDE9DF;
  --color-gold:         #B78A3D;
  --color-gold-light:   #D9B268;
  --color-gold-dark:    #8C6A2E;
  --color-text-muted:   #7A756C;
  --color-text-muted-lt:#B9B4AA;
  --color-line:         rgba(183, 138, 61, 0.22);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container-width: 1180px;
  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 28px;

  --shadow-soft: 0 20px 60px -20px rgba(18, 17, 19, 0.35);
  --shadow-gold: 0 10px 30px -8px rgba(183, 138, 61, 0.45);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-gold); color: var(--color-black);
  padding: 12px 20px; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }

/* ---------- Eyebrow (нотация ходов как структурный элемент) ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em;
  color: var(--color-gold-dark); text-transform: none; margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--color-gold); }
.section--dark .eyebrow { color: var(--color-gold-light); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.15; }
.section-head p { margin-top: 16px; color: var(--color-text-muted); font-size: 17px; }
.section--dark .section-head p { color: var(--color-text-muted-lt); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 32px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s;
  white-space: nowrap;
}
.btn--gold { background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark)); color: var(--color-black); box-shadow: var(--shadow-gold); }
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(183,138,61,0.6); }
.btn--outline { border-color: rgba(248,246,241,0.35); color: var(--color-ivory); }
.btn--outline:hover { background: rgba(248,246,241,0.08); }
.btn--dark { background: var(--color-black); color: var(--color-ivory); }
.btn--dark:hover { transform: translateY(-2px); }
.btn--small { padding: 10px 22px; font-size: 13px; }
.btn--full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(18, 17, 19, 0.72); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(183,138,61,0.15);
  transition: background 0.3s;
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 84px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--color-ivory); }
.logo__mark { width: 30px; height: 30px; color: var(--color-gold); flex-shrink: 0; }
.logo__text { font-family: var(--font-display); font-size: 19px; font-weight: 600; letter-spacing: 0.005em; white-space: nowrap; }
.logo__accent { color: var(--color-gold); }

.main-nav { display: flex; gap: 26px; }
.main-nav a { color: rgba(248,246,241,0.78); font-size: 15px; font-weight: 500; position: relative; padding: 6px 0; transition: color 0.25s; }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--color-gold); transition: width 0.3s var(--ease); }
.main-nav a:hover, .main-nav a.is-active { color: var(--color-ivory); }
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }

.header-cta { flex-shrink: 0; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-ivory); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  background: var(--color-black); color: var(--color-ivory); overflow: hidden;
  padding-top: 84px;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 700px at 85% 10%, rgba(183,138,61,0.24), transparent 60%),
    radial-gradient(ellipse 700px 600px at 8% 95%, rgba(183,138,61,0.12), transparent 55%),
    linear-gradient(160deg, #18171b 0%, var(--color-black) 55%, #0b0a0c 100%);
}
.hero__grid {
  position: absolute; inset: 0; opacity: 0.06; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--color-gold) 0 1px, transparent 1px 12.5%),
    repeating-linear-gradient(90deg, var(--color-gold) 0 1px, transparent 1px 12.5%);
}
.hero__piece {
  position: absolute; right: -6%; bottom: -10%; width: min(62vw, 820px); z-index: 1;
  color: var(--color-gold-light); opacity: 0.08; pointer-events: none;
  animation: hero-piece-float 14s ease-in-out infinite;
}
.hero__piece svg { width: 100%; height: auto; display: block; }
@keyframes hero-piece-float { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-22px) rotate(-1.5deg); } }
.hero__content { position: relative; z-index: 2; padding-bottom: 96px; width: 100%; }
.hero__eyebrow {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.1em; color: var(--color-gold-light);
  opacity: 0; animation: fade-up 0.8s var(--ease) 0.2s forwards;
}
.hero h1 {
  font-size: clamp(40px, 6.4vw, 84px); line-height: 1.02; margin-top: 18px; max-width: 900px;
  opacity: 0; animation: fade-up 0.9s var(--ease) 0.4s forwards;
}
.hero h1 em { font-style: normal; color: var(--color-gold-light); }
.hero__subhead {
  margin-top: 24px; font-size: clamp(16px, 1.6vw, 20px); color: rgba(248,246,241,0.82); max-width: 560px;
  opacity: 0; animation: fade-up 0.9s var(--ease) 0.55s forwards;
}
.hero__actions { margin-top: 40px; display: flex; gap: 18px; flex-wrap: wrap; opacity: 0; animation: fade-up 0.9s var(--ease) 0.7s forwards; }
.hero__scroll {
  position: absolute; right: 24px; bottom: 40px; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: rgba(248,246,241,0.5); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  opacity: 0; animation: fade-up 0.9s var(--ease) 0.9s forwards;
}
.hero__scroll::after { content: ''; width: 1px; height: 50px; background: linear-gradient(var(--color-gold), transparent); writing-mode: horizontal-tb; }

@keyframes fade-up { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; position: relative; }
.section--dark { background: var(--color-black); color: var(--color-ivory); }
.section--tight { padding: 90px 0; }

/* ---------- Trust / Trainer block (страница "О тренере") ---------- */
.trust {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 72px; align-items: center;
}
.trust__media { position: relative; }
.trust__media img { border-radius: var(--radius-l); box-shadow: var(--shadow-soft); aspect-ratio: 3/4; object-fit: cover; object-position: top center; }
.trust__badge {
  position: absolute; bottom: -24px; left: -24px; background: var(--color-ivory); color: var(--color-black);
  padding: 18px 22px; border-radius: var(--radius-m); box-shadow: var(--shadow-soft);
  font-family: var(--font-display); font-size: 15px; max-width: 220px; border: 1px solid var(--color-line);
}
.trust__badge strong { display: block; color: var(--color-gold-dark); font-size: 22px; }

.trust__name { font-size: clamp(26px, 3vw, 36px); margin-bottom: 6px; }
.trust__role { color: var(--color-gold); font-weight: 600; margin-bottom: 24px; display: block; }
.trust__text { color: var(--color-text-muted); font-size: 16px; margin-bottom: 28px; }

.credentials { display: grid; gap: 16px; margin-bottom: 32px; }
.credentials li { display: flex; gap: 14px; align-items: flex-start; font-size: 15.5px; }
.credentials .ico {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: rgba(183,138,61,0.12);
  display: flex; align-items: center; justify-content: center; color: var(--color-gold-dark);
}
.credentials .ico svg { width: 16px; height: 16px; }
.credentials--grid { grid-template-columns: 1fr 1fr; column-gap: 32px; }

/* ---------- Trainer intro (текстовый блок на главной, без фото) ---------- */
.trainer-intro {
  max-width: 760px; margin: 0 auto; text-align: center;
  border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line);
  padding: 56px 0;
}
.trainer-intro .trust__role { text-align: center; }
.trainer-intro .trust__text { max-width: 560px; margin-left: auto; margin-right: auto; }
.trainer-intro .credentials--grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; text-align: left; }

/* ---------- Advantage cards ---------- */
.advantages-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.cards-grid-3, .cards-grid-4 { display: grid; gap: 20px; }
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .cards-grid-3, .cards-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .cards-grid-3, .cards-grid-4 { grid-template-columns: 1fr; }
}
.advantage-card {
  background: var(--color-black-soft); border: 1px solid rgba(183,138,61,0.18); border-radius: var(--radius-m);
  padding: 32px 24px; transition: transform 0.4s var(--ease), border-color 0.4s;
}
.advantage-card:hover { transform: translateY(-8px); border-color: var(--color-gold); }
.advantage-card .num { font-family: var(--font-mono); color: var(--color-gold); font-size: 13px; opacity: 0.7; }
.advantage-card .ico { width: 44px; height: 44px; margin: 18px 0 20px; color: var(--color-gold-light); }
.advantage-card .ico svg { width: 100%; height: 100%; }
.advantage-card h3 { font-size: 17px; color: var(--color-ivory); margin-bottom: 10px; line-height: 1.3; }
.advantage-card p { font-size: 14px; color: var(--color-text-muted-lt); line-height: 1.55; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 14px;
  grid-auto-flow: dense;
}
.gallery-grid a { position: relative; border-radius: var(--radius-s); overflow: hidden; display: block; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery-grid a:hover img { transform: scale(1.08); }
.gallery-grid a::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(18,17,19,0.55) 100%);
  opacity: 0; transition: opacity 0.35s;
}
.gallery-grid a:hover::after { opacity: 1; }
.gallery-grid .span-2 { grid-column: span 2; }
.gallery-grid .span-2-row { grid-row: span 2; }

/* ---------- Testimonials ---------- */
.testimonials-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--color-ivory); border: 1px solid var(--color-line); border-radius: var(--radius-m);
  padding: 32px; box-shadow: var(--shadow-soft);
}
.testimonial-card__stars { color: var(--color-gold); letter-spacing: 3px; margin-bottom: 18px; font-size: 15px; }
.testimonial-card p { font-size: 15.5px; color: #3B3833; line-height: 1.65; }
.testimonial-card__author { display: flex; align-items: center; gap: 12px; margin-top: 24px; }
.testimonial-card__avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--color-gold); color: var(--color-black);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600;
}
.testimonial-card__author strong { display: block; font-size: 14.5px; }
.testimonial-card__author span { font-size: 13px; color: var(--color-text-muted); }

/* ---------- Pricing (lessons page) ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  border: 1px solid var(--color-line); border-radius: var(--radius-m); padding: 40px 32px;
  background: #fff; transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.price-card--featured { background: var(--color-black); color: var(--color-ivory); position: relative; }
.price-card--featured .price-card__tag {
  position: absolute; top: -14px; left: 32px; background: var(--color-gold); color: var(--color-black);
  font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: 999px; letter-spacing: 0.04em;
}
.price-card h3 { font-size: 21px; margin-bottom: 8px; }
.price-card__price { font-family: var(--font-display); font-size: 40px; margin: 20px 0; }
.price-card__price span { font-size: 15px; font-weight: 400; color: var(--color-text-muted); }
.price-card--featured .price-card__price span { color: var(--color-text-muted-lt); }
.price-card ul { display: grid; gap: 12px; margin: 26px 0; }
.price-card ul li { font-size: 14.5px; display: flex; gap: 10px; align-items: flex-start; }
.price-card ul li::before { content: '♞'; color: var(--color-gold); flex-shrink: 0; }

/* ---------- Schedule table ---------- */
.schedule-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-m); overflow: hidden; box-shadow: var(--shadow-soft); }
.schedule-table th, .schedule-table td { padding: 18px 20px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--color-ivory-dim); }
.schedule-table th { background: var(--color-black); color: var(--color-gold-light); font-family: var(--font-mono); font-weight: 500; font-size: 13px; letter-spacing: 0.04em; }
.schedule-table tr:last-child td { border-bottom: none; }
.schedule-table tr:hover td { background: rgba(183,138,61,0.05); }
.schedule-table .group-tag { display: inline-block; padding: 3px 10px; border-radius: 999px; background: rgba(183,138,61,0.14); color: var(--color-gold-dark); font-size: 12px; font-weight: 700; }

/* ---------- Contact / Form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info-list { display: grid; gap: 22px; margin: 32px 0 0; }
.contact-info-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-list .ico { width: 42px; height: 42px; border-radius: 50%; background: rgba(183,138,61,0.12); display: flex; align-items: center; justify-content: center; color: var(--color-gold-dark); flex-shrink: 0; }
.contact-info-list .ico svg { width: 20px; height: 20px; }
.contact-info-list strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-info-list span, .contact-info-list a { font-size: 14.5px; color: var(--color-text-muted); }
.map-embed { margin-top: 32px; border-radius: var(--radius-m); overflow: hidden; border: 1px solid var(--color-line); }
.map-embed iframe { width: 100%; height: 280px; border: 0; display: block; }

.form-card { background: var(--color-black); color: var(--color-ivory); border-radius: var(--radius-l); padding: 44px; box-shadow: var(--shadow-soft); }
.form-card h2 { font-size: 26px; margin-bottom: 8px; }
.form-card p.form-sub { color: var(--color-text-muted-lt); margin-bottom: 28px; font-size: 14.5px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; margin-bottom: 8px; color: var(--color-text-muted-lt); }
.field input, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-s); border: 1px solid rgba(248,246,241,0.18);
  background: rgba(248,246,241,0.05); color: var(--color-ivory); font-family: inherit; font-size: 15px;
  transition: border-color 0.25s, background 0.25s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-gold); background: rgba(248,246,241,0.08); }
.field textarea { resize: vertical; min-height: 100px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12.5px; color: var(--color-text-muted-lt); margin-top: 14px; text-align: center; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { padding: 14px 18px; border-radius: var(--radius-s); font-size: 14px; margin-bottom: 20px; }
.form-msg--success { background: rgba(90, 170, 110, 0.15); color: #7CCB94; border: 1px solid rgba(90,170,110,0.3); }
.form-msg--error { background: rgba(200, 90, 90, 0.15); color: #E39B9B; border: 1px solid rgba(200,90,90,0.3); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
  border-radius: var(--radius-l); padding: 64px; text-align: center; color: var(--color-black);
}
.cta-banner h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 16px; }
.cta-banner p { font-size: 16px; margin-bottom: 32px; opacity: 0.85; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-black); color: var(--color-text-muted-lt); padding-top: 80px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid rgba(183,138,61,0.15); }
.footer__brand p { margin-top: 16px; font-size: 14px; line-height: 1.6; max-width: 280px; }
.footer__col h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--color-gold-light); text-transform: uppercase; margin-bottom: 18px; font-weight: 500; }
.footer__col { display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; }
.footer__col a:hover { color: var(--color-ivory); }
.footer__bottom-inner { display: flex; justify-content: space-between; padding: 24px 0; font-size: 13px; flex-wrap: wrap; gap: 8px; }

/* ---------- Floating actions ---------- */
.floating-actions { position: fixed; right: 22px; bottom: 22px; display: flex; flex-direction: column; gap: 12px; z-index: 90; }
.floating-actions__btn {
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 10px 26px -6px rgba(0,0,0,0.4); transition: transform 0.3s var(--ease);
}
.floating-actions__btn svg { width: 26px; height: 26px; }
.floating-actions__btn:hover { transform: scale(1.08); }
.floating-actions__btn--whatsapp { background: #25D366; }
.floating-actions__btn--max { background: linear-gradient(135deg, #4A90E2, #9B59D6); }
.floating-actions__btn--telegram { background: #229ED9; }

/* ---------- Tournaments grid ---------- */
.tournament-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px;
}
.tournament-card {
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-m);
  padding: 32px 24px; transition: transform 0.4s var(--ease), box-shadow 0.35s;
}
.tournament-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.tournament-card .ico { width: 44px; height: 44px; margin-bottom: 18px; color: var(--color-gold-dark); }
.tournament-card .ico svg { width: 100%; height: 100%; }
.tournament-card h3 { font-size: 17px; color: var(--color-black); margin-bottom: 6px; line-height: 1.3; }
.tournament-card .date { display: block; color: var(--color-text-muted); font-size: 14px; margin-bottom: 20px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: var(--color-black); color: var(--color-ivory); padding: 168px 0 80px; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 54px); margin-top: 16px; max-width: 700px; }
.page-hero p { margin-top: 18px; color: var(--color-text-muted-lt); max-width: 560px; font-size: 16.5px; }
.breadcrumbs { display: flex; gap: 8px; font-family: var(--font-mono); font-size: 12.5px; color: var(--color-text-muted-lt); }
.breadcrumbs a:hover { color: var(--color-gold-light); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .main-nav { gap: 22px; }
  .main-nav a { font-size: 14px; }
}

@media (max-width: 1024px) {
  .advantages-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-track, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .trust { grid-template-columns: 1fr; }
  .trust__media img { aspect-ratio: 16/9; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { position: fixed; top: 84px; left: 0; right: 0; background: var(--color-black); flex-direction: column; padding: 24px; gap: 8px; transform: translateY(-130%); transition: transform 0.4s var(--ease); border-bottom: 1px solid rgba(183,138,61,0.15); }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav a { padding: 14px 6px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .section { padding: 80px 0; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .testimonials-track, .pricing-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 44px 24px; }
  .form-card { padding: 28px; }
  .hero__scroll { display: none; }
  .hero__piece { width: 90vw; opacity: 0.06; }
  .trainer-intro { padding: 40px 0; }
  .logo__text { font-size: 16px; }
}

@media (max-width: 480px) {
  .advantages-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .logo__text { font-size: 15px; }
  .logo__mark { width: 26px; height: 26px; }
  .site-header__inner { gap: 10px; }
}