/* ===================================================================
   GoKartUzh — racing aesthetic stylesheet
   Palette: asphalt black / racing red / acid-yellow
   Fonts: Oswald (display) + Inter (body), full Cyrillic
   =================================================================== */

:root {
  --bg: #070E1C;           /* deep racing navy */
  --bg-alt: #0B1426;
  --surface: #101D36;
  --surface-2: #182A47;
  --primary: #2E8BFF;
  --primary-dark: #1F6FE0;
  --cta: #1763CC;          /* darker blue that passes AA (5.7:1) with white text */
  --accent: #D7FF1E;
  --text: #F4F5F7;
  --text-muted: #98A2B8;
  --line: #26395C;
  --success: #3DDC84;

  --display: 'Oswald', 'Arial Narrow', sans-serif;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container: 1200px;
  --radius: 14px;
  --clip-corner: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
/* asphalt base texture */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(46,139,255,0.12), transparent 60%),
    radial-gradient(1000px 800px at 12% 8%, rgba(38,86,170,0.20), transparent 60%),
    radial-gradient(900px 600px at 0% 100%, rgba(215,255,30,0.05), transparent 55%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; opacity: 0.5; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
[hidden] { display: none !important; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }

::selection { background: var(--primary); color: #fff; }

/* visible keyboard focus (WCAG 2.4.7) */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.btn:focus-visible { outline-offset: 3px; }

/* ---------- shared headings ---------- */
.section { padding: 96px 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); text-transform: uppercase; letter-spacing: 0.18em;
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow i {
  font-style: italic; font-weight: 700; color: var(--primary);
  font-size: 1rem; letter-spacing: 0;
  border: 1.5px solid var(--primary); border-radius: 4px;
  padding: 1px 7px; line-height: 1.2;
}
.section-title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.04;
  text-transform: uppercase; letter-spacing: -0.005em;
}
.section-lead { color: var(--text-muted); font-size: 1.12rem; margin-top: 18px; max-width: 680px; }
.accent-text { color: var(--primary); }

/* ---------- buttons ---------- */
.btn {
  --b: var(--primary);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--display); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; font-size: 0.98rem;
  padding: 14px 26px; cursor: pointer; border: none;
  clip-path: var(--clip-corner);
  transition: transform 0.18s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, color 0.2s;
  position: relative; white-space: nowrap;
}
.btn .chev { font-style: italic; color: var(--accent); transition: transform 0.2s var(--ease); }
.btn:hover .chev { transform: translateX(4px); }
.btn-primary { background: var(--cta); color: #fff; box-shadow: 0 8px 26px -10px rgba(46,139,255,0.8); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(46,139,255,0.9); }
.btn-primary .chev { color: #fff; }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 2px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 2px var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-lg { padding: 17px 32px; font-size: 1.05rem; }
.btn-sm { padding: 10px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- checker band ---------- */
.checker-band {
  position: absolute; left: 0; right: 0; height: 14px;
  background-image:
    repeating-conic-gradient(var(--text) 0% 25%, transparent 0% 50%);
  background-size: 28px 28px; background-position: 0 0;
  opacity: 0.9;
}
.checker-band--top { top: 0; }
.checker-band--bottom { bottom: 0; }

/* ===================================================================
   HEADER
   =================================================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.3s, box-shadow 0.3s, padding 0.3s;
  padding: 14px 0;
  background: linear-gradient(180deg, rgba(10,11,13,0.92), rgba(10,11,13,0.2));
  backdrop-filter: blur(6px);
}
.site-header.scrolled {
  background: rgba(10,11,13,0.95);
  box-shadow: 0 1px 0 var(--line), 0 14px 40px -20px rgba(0,0,0,0.9);
  padding: 8px 0;
}
.header-inner { display: flex; align-items: center; gap: 22px; }
.logo { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark { display: inline-flex; filter: drop-shadow(0 0 8px rgba(46,139,255,0.35)); }
.logo-text {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: 1.5rem; letter-spacing: 0.01em; line-height: 1;
}
.logo-accent { color: var(--primary); font-style: italic; }

.main-nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  font-family: var(--display); text-transform: uppercase; font-weight: 500;
  letter-spacing: 0.04em; font-size: 0.95rem; color: var(--text-muted);
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 8px 13px; border-radius: 7px; position: relative; transition: color 0.2s;
}
.nav-link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 3px; height: 2px;
  background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.header-cta { margin-left: 8px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none;
  cursor: pointer; padding: 8px; margin-left: auto;
}
.nav-toggle span { width: 26px; height: 3px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  position: relative; padding: 150px 0 90px; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center;
}
.hero-asphalt {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(80% 60% at 70% 30%, rgba(46,139,255,0.18), transparent 60%),
    radial-gradient(60% 50% at 15% 80%, rgba(215,255,30,0.08), transparent 60%);
}
.hero-streaks {
  position: absolute; inset: 0; z-index: 0; opacity: 0.5; pointer-events: none;
  background: repeating-linear-gradient(-18deg,
    transparent 0 38px, rgba(46,139,255,0.10) 38px 41px, transparent 41px 80px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.86rem; font-weight: 600; color: var(--accent); margin-bottom: 20px;
}
.ping { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 0 rgba(46,139,255,0.7); animation: ping 1.8s infinite; }
@keyframes ping { 70%,100% { box-shadow: 0 0 0 9px rgba(46,139,255,0); } }

.hero-title {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.7rem, 6.6vw, 5.2rem); line-height: 0.95; letter-spacing: -0.01em;
  text-shadow: 0 6px 40px rgba(0,0,0,0.6);
}
.hero-title .accent-text { display: inline-block; font-style: italic; text-shadow: 0 0 30px rgba(46,139,255,0.45); }
.hero-subtitle { color: var(--text-muted); font-size: 1.18rem; margin: 22px 0 32px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--line);
}
.hero-stats li { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--display); font-weight: 700; font-style: italic;
  font-size: clamp(1.6rem, 3vw, 2.3rem); color: var(--text); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 0.82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* hero visual */
.hero-visual { position: relative; }
.dash-card {
  position: relative; z-index: 3;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.9), inset 0 1px 0 rgba(255,255,255,0.03);
  max-width: 360px; margin-left: auto;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.012) 0 2px, transparent 2px 6px),
    linear-gradient(160deg, var(--surface-2), var(--surface));
}
.dash-head { display: flex; align-items: center; gap: 9px; font-family: var(--display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; color: var(--text-muted); }
.dash-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); animation: ping 1.6s infinite; }
.dash-timer {
  font-family: var(--display); font-weight: 700; font-size: 3rem; letter-spacing: 0.02em;
  color: var(--primary); margin: 8px 0 4px; font-variant-numeric: tabular-nums;
  text-shadow: 0 0 22px rgba(46,139,255,0.5);
}
.dash-meta { display: flex; gap: 26px; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dash-meta-label { display: block; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.dash-meta-val { font-family: var(--display); font-weight: 600; font-size: 1.15rem; color: var(--text); font-variant-numeric: tabular-nums; }
.tacho { margin-top: 14px; text-align: center; }
.tacho-label { font-family: var(--display); font-weight: 700; font-size: 1.4rem; color: var(--accent); margin-top: -6px; font-variant-numeric: tabular-nums; }
.tacho-label small { display: block; font-size: 0.6rem; color: var(--text-muted); letter-spacing: 0.1em; }

.hero-kart {
  position: relative; z-index: 2; margin-top: -26px; margin-left: -10px;
  filter: drop-shadow(0 24px 30px rgba(0,0,0,0.7));
  animation: kart-bob 2.6s ease-in-out infinite;
}
@keyframes kart-bob { 0%,100% { transform: translateY(0) rotate(-0.4deg); } 50% { transform: translateY(-7px) rotate(0.4deg); } }
.kart-speedlines line { animation: speed-dash 0.6s linear infinite; }
@keyframes speed-dash { from { stroke-dashoffset: 0; opacity: 0.9; } to { stroke-dashoffset: -20; opacity: 0.4; } }
.hero-floor {
  position: absolute; left: -10%; right: -10%; bottom: -14px; height: 70px; z-index: 1;
  background: radial-gradient(60% 80% at 50% 0%, rgba(46,139,255,0.18), transparent 70%);
  filter: blur(6px);
}

.scroll-cue {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--display); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.72rem; color: var(--text-muted);
}
.scroll-cue span { width: 22px; height: 34px; border: 2px solid var(--line); border-radius: 12px; position: relative; }
.scroll-cue span::after { content: ""; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 4px; height: 7px; background: var(--primary); border-radius: 2px; animation: scroll-dot 1.6s infinite; }
@keyframes scroll-dot { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 80%,100% { opacity: 0; transform: translate(-50%, 12px); } }

/* ===================================================================
   MARQUEE
   =================================================================== */
.marquee {
  background: var(--cta); color: #fff; overflow: hidden; padding: 12px 0;
  border-block: 2px solid var(--primary-dark); position: relative;
}
.marquee-track { display: inline-flex; align-items: center; gap: 22px; white-space: nowrap; animation: marquee 26s linear infinite; will-change: transform; }
.marquee-track span { font-family: var(--display); text-transform: uppercase; font-weight: 600; letter-spacing: 0.08em; font-size: 1.05rem; }
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===================================================================
   ABOUT
   =================================================================== */
.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; margin-bottom: 60px; }
.about-text p { color: var(--text-muted); margin-bottom: 18px; }
.about-text p:first-child::first-letter { color: var(--text); }
.record-card {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  display: flex; flex-direction: column; gap: 6px;
  box-shadow: 0 30px 60px -34px rgba(0,0,0,0.9);
}
.record-label { font-family: var(--display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; color: var(--text-muted); }
.record-time { font-family: var(--display); font-weight: 700; font-style: italic; font-size: 3.4rem; color: var(--primary); line-height: 1; font-variant-numeric: tabular-nums; text-shadow: 0 0 26px rgba(46,139,255,0.4); }
.record-by { font-size: 0.86rem; color: var(--text-muted); }
.record-flag { position: absolute; top: 0; right: 0; width: 76px; height: 76px; opacity: 0.5;
  background-image: repeating-conic-gradient(var(--text) 0% 25%, transparent 0% 50%); background-size: 19px 19px;
  -webkit-mask-image: linear-gradient(225deg, #000, transparent 70%); mask-image: linear-gradient(225deg, #000, transparent 70%); }

.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; position: relative; overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}
.feature-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--primary);
  transform: scaleY(0); transform-origin: top; transition: transform 0.3s var(--ease);
}
.feature-card:hover { transform: translateY(-5px); border-color: #34394400; box-shadow: 0 24px 50px -28px rgba(0,0,0,0.9); }
.feature-card:hover::before { transform: scaleY(1); }
.feature-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 12px; margin-bottom: 16px;
  background: rgba(46,139,255,0.12); color: var(--primary);
}
.feature-card h3 { font-family: var(--display); text-transform: uppercase; font-weight: 600; font-size: 1.2rem; letter-spacing: 0.01em; margin-bottom: 9px; }
.soon-badge { display: inline-block; vertical-align: middle; margin-left: 6px; font-family: var(--display); text-transform: uppercase; font-weight: 600; font-size: 0.62rem; letter-spacing: 0.1em; color: var(--accent); background: rgba(215,255,30,0.12); border: 1px solid rgba(215,255,30,0.4); border-radius: 20px; padding: 3px 9px; }
.feature-card p { color: var(--text-muted); font-size: 0.96rem; }

/* ===================================================================
   TRACKS
   =================================================================== */
.tracks-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.track-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: grid; grid-template-columns: 1.05fr 1fr; align-items: stretch;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.track-card:hover { transform: translateY(-4px); box-shadow: 0 28px 56px -30px rgba(0,0,0,0.9); }
.track-map {
  background:
    radial-gradient(120% 120% at 50% 30%, rgba(46,139,255,0.1), transparent 60%),
    var(--bg-alt);
  padding: 34px; border-right: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.track-map svg { max-width: 460px; }
.track-dash { animation: dash-move 1.2s linear infinite; }
@keyframes dash-move { to { stroke-dashoffset: -32; } }
.track-info { padding: 36px 34px; display: flex; flex-direction: column; justify-content: center; }
.track-info h3 { font-family: var(--display); text-transform: uppercase; font-weight: 700; font-size: 1.55rem; margin-bottom: 12px; }
.track-info > p { color: var(--text-muted); font-size: 0.97rem; margin-bottom: 18px; }
.spec-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.spec-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 16px; background: var(--surface); }
.spec-list span { color: var(--text-muted); font-size: 0.9rem; }
.spec-list b { font-family: var(--display); font-weight: 600; letter-spacing: 0.02em; }

/* ===================================================================
   KARTS
   =================================================================== */
.karts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 780px; margin-inline: auto; }
.kart-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column; position: relative; overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
}
.kart-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(0,0,0,0.95); }
.kart-card--hot { border-color: rgba(46,139,255,0.5); box-shadow: 0 0 0 1px rgba(46,139,255,0.25), 0 30px 60px -34px rgba(46,139,255,0.4); }
.kart-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.kart-tag { font-family: var(--display); text-transform: uppercase; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; padding: 5px 11px; border-radius: 20px; }
.kart-tag--kid { background: rgba(61,220,132,0.14); color: var(--success); }
.kart-tag--junior { background: rgba(215,255,30,0.14); color: var(--accent); }
.kart-tag--sport { background: rgba(46,139,255,0.16); color: #6aa8ff; }
.kart-no { font-family: var(--display); font-weight: 700; font-style: italic; font-size: 2rem; color: var(--line); line-height: 1; }
.kart-card h3 { font-family: var(--display); text-transform: uppercase; font-weight: 700; font-size: 1.35rem; margin-bottom: 16px; }
.kart-art {
  height: 120px; border-radius: 10px; margin-bottom: 18px; position: relative; overflow: hidden;
  background: var(--bg-alt);
  border: 1px solid var(--line);
}
.kart-art::before {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(-18deg, transparent 0 22px, rgba(255,255,255,0.03) 22px 24px),
    radial-gradient(60% 80% at 30% 20%, rgba(46,139,255,0.25), transparent 60%);
}
/* simple kart glyph per class via emoji-free CSS shape */
.kart-art::after {
  content: ""; position: absolute; left: 50%; top: 54%; transform: translate(-50%,-50%);
  width: 86px; height: 30px; border-radius: 8px 18px 8px 8px;
  box-shadow: -30px 14px 0 -3px var(--text), 30px 14px 0 -3px var(--text);
}
.kart-art--1::after { background: var(--success); }
.kart-art--2::after { background: var(--accent); }
.kart-art--3::after { background: var(--primary); box-shadow: -30px 14px 0 -3px var(--text), 30px 14px 0 -3px var(--text), 0 0 30px rgba(46,139,255,0.6); }
.kart-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 18px; flex-grow: 1; }
.kart-specs { display: grid; gap: 1px; background: var(--line); border-radius: 10px; overflow: hidden; }
.kart-specs li { display: flex; justify-content: space-between; padding: 10px 14px; background: var(--surface); font-size: 0.9rem; }
.kart-specs span { color: var(--text-muted); }
.kart-specs b { font-family: var(--display); font-weight: 600; }

/* ===================================================================
   PRICING
   =================================================================== */
.price-tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
.price-tier {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 30px; transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.price-tier:hover { transform: translateY(-4px); box-shadow: 0 26px 56px -32px rgba(0,0,0,0.9); }
.price-tier--weekend { border-color: rgba(46,139,255,0.45); box-shadow: 0 0 0 1px rgba(46,139,255,0.2); }
.price-tier__label {
  display: inline-block; font-family: var(--display); text-transform: uppercase; letter-spacing: 0.08em;
  font-weight: 600; font-size: 0.92rem; padding: 7px 18px; border-radius: 30px;
  background: var(--bg-alt); color: var(--accent); margin-bottom: 22px;
}
.price-tier--weekend .price-tier__label { color: #8ab8ff; background: rgba(46,139,255,0.12); }
.price-tier__body { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; }
.price-tier__time { display: flex; align-items: center; gap: 12px; justify-self: start; }
.price-tier__time svg { color: var(--accent); flex-shrink: 0; }
.price-tier--weekend .price-tier__time svg { color: var(--primary); }
.price-tier__num { font-family: var(--display); font-weight: 700; font-style: italic; font-size: 2.7rem; line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; }
.price-tier__num small { font-size: 1rem; font-style: normal; color: var(--text-muted); text-transform: uppercase; margin-left: 4px; }
.price-tier__div { width: 2px; height: 52px; background: var(--line); justify-self: center; }
.price-tier__cost { justify-self: end; text-align: right; }
.price-tier__cost b { font-family: var(--display); font-weight: 700; font-style: italic; font-size: 3rem; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.price-tier--weekend .price-tier__cost b { color: var(--primary); }
.price-tier__cost small { display: block; font-family: var(--display); font-size: 0.95rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }

.price-included { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.price-included__title { font-family: var(--display); text-transform: uppercase; font-weight: 700; font-size: clamp(1.3rem, 2.6vw, 1.9rem); line-height: 1.05; margin-bottom: 10px; }
.price-included__sub { color: var(--text-muted); margin-bottom: 24px; max-width: 640px; }
.price-included__sub b { color: var(--accent); }
.included-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 26px; }
.included-list li { display: flex; gap: 14px; align-items: center; padding: 16px 18px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 12px; }
.inc-ico { flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; background: rgba(62,140,255,0.14); color: #3E8CFF; display: grid; place-items: center; }
.inc-text b { display: block; font-family: var(--display); text-transform: uppercase; font-weight: 600; font-size: 1.05rem; letter-spacing: 0.01em; }
.inc-text span { color: var(--text-muted); font-size: 0.88rem; }
.price-note { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-top: 26px; max-width: 720px; margin-inline: auto; }

/* ===================================================================
   REVIEWS
   =================================================================== */
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.review-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; position: relative;
}
.review-card::before {
  content: "\201C"; position: absolute; top: 8px; right: 22px; font-family: Georgia, serif;
  font-size: 5rem; color: var(--line); line-height: 1;
}
.stars { color: var(--accent); letter-spacing: 3px; font-size: 1.05rem; margin-bottom: 14px; }
.review-card p { font-size: 1.02rem; margin-bottom: 18px; position: relative; z-index: 1; }
.review-card footer { display: flex; flex-direction: column; }
.review-name { font-family: var(--display); text-transform: uppercase; font-weight: 600; letter-spacing: 0.03em; }
.review-role { color: var(--text-muted); font-size: 0.85rem; }

/* ===================================================================
   BOOKING
   =================================================================== */
.section--booking { background:
  linear-gradient(180deg, var(--bg-alt), var(--bg)); position: relative; }
.booking-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; padding-top: 18px; }
.booking-perks { display: flex; flex-direction: column; gap: 12px; margin: 26px 0; }
.booking-perks li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.booking-perks .chev { color: var(--accent); font-style: italic; font-family: var(--display); }
.booking-call { padding: 18px 22px; border: 1px dashed var(--line); border-radius: 12px; display: flex; flex-direction: column; gap: 4px; }
.booking-call span { color: var(--text-muted); font-size: 0.9rem; }
.booking-phone { font-family: var(--display); font-weight: 700; font-size: 1.7rem; color: var(--primary); letter-spacing: 0.01em; }

.booking-form {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: 0 34px 70px -36px rgba(0,0,0,0.9);
}
.booking-form.submitted { padding: 0; border: 0; background: none; box-shadow: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field label { font-family: var(--display); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 500; }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1.5px solid var(--line); border-radius: 9px;
  color: var(--text); padding: 12px 14px; font-family: var(--body); font-size: 0.98rem;
  transition: border-color 0.2s, box-shadow 0.2s; width: 100%;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input::placeholder, .field textarea::placeholder { color: #8a909c; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(215,255,30,0.45);
}
.field input:invalid:not(:placeholder-shown) { border-color: var(--primary-dark); }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%239AA0AB' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.form-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 14px; line-height: 1.5; }
.booking-form.submitted .form-success { margin-top: 0; }
.form-success {
  margin-top: 18px; padding: 20px; border-radius: 12px; background: rgba(61,220,132,0.1);
  border: 1px solid rgba(61,220,132,0.4); display: flex; flex-direction: column; gap: 6px; text-align: center;
}
.success-ico { width: 44px; height: 44px; margin: 0 auto 4px; border-radius: 50%; background: var(--success); color: var(--bg); display: grid; place-items: center; font-size: 1.5rem; font-weight: 700; }
.form-success strong { font-family: var(--display); text-transform: uppercase; font-size: 1.2rem; }
.form-success span { color: var(--text-muted); font-size: 0.92rem; }

/* ===================================================================
   RULES
   =================================================================== */
.rules { display: grid; gap: 18px; }
.rule-block {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 30px 30px 34px; position: relative; overflow: hidden;
}
.rule-block::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
.rule-block--deny::before, .rule-block--forbid::before { background: var(--primary); }
.rule-block--must::before { background: var(--accent); }
.rule-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.rule-ico { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0; }
.rule-block--deny .rule-ico, .rule-block--forbid .rule-ico { background: rgba(46,139,255,0.14); color: var(--primary); }
.rule-block--must .rule-ico { background: rgba(215,255,30,0.14); color: var(--accent); }
.rule-head h3 { font-family: var(--display); text-transform: uppercase; font-weight: 700; font-size: clamp(1.18rem, 2.2vw, 1.55rem); letter-spacing: 0.01em; line-height: 1.05; }
.rule-block--deny .rule-head h3, .rule-block--forbid .rule-head h3 { color: var(--primary); }
.rule-block--must .rule-head h3 { color: var(--accent); }

/* not-allowed grid */
.deny-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.deny-list li { display: flex; gap: 13px; align-items: flex-start; padding: 15px 17px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 11px; font-size: 0.97rem; }
.r-x { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); position: relative; margin-top: 1px; box-shadow: 0 0 0 4px rgba(46,139,255,0.12); }
.r-x::before, .r-x::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 2.4px; background: #fff; border-radius: 2px; transform: translate(-50%,-50%) rotate(45deg); }
.r-x::after { transform: translate(-50%,-50%) rotate(-45deg); }
.rule-note { display: flex; gap: 12px; align-items: flex-start; margin-top: 16px; padding: 15px 17px; border-radius: 11px; background: rgba(46,123,255,0.10); border: 1px solid rgba(46,123,255,0.4); font-size: 0.95rem; }
.rule-note-ico { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: #2E7BFF; color: #fff; display: grid; place-items: center; font-family: var(--display); font-weight: 700; line-height: 1; }

/* obligations (numbered) */
.must-list { display: grid; gap: 15px; counter-reset: rule; }
.must-list li { position: relative; padding-left: 44px; color: var(--text); font-size: 0.97rem; counter-increment: rule; min-height: 24px; }
.must-list li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute; left: 0; top: -1px; width: 30px;
  font-family: var(--display); font-weight: 700; font-style: italic; font-size: 1.15rem;
  color: var(--accent); font-variant-numeric: tabular-nums;
}

/* forbidden (two columns) */
.forbid-list { columns: 2; column-gap: 30px; }
.forbid-list li { break-inside: avoid; position: relative; padding-left: 28px; margin-bottom: 14px; font-size: 0.97rem; }
.forbid-list li::before {
  content: "\2715"; position: absolute; left: 0; top: 0;
  color: var(--primary); font-weight: 700; font-size: 0.92rem;
}

/* ===================================================================
   CONTACTS
   =================================================================== */
.contacts-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 30px; align-items: stretch; }
.contact-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.contact-ico { flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; background: rgba(46,139,255,0.12); color: var(--primary); display: grid; place-items: center; }
.contact-label { display: block; font-family: var(--display); text-transform: uppercase; font-size: 0.74rem; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 2px; }
.contact-value { font-size: 1.02rem; line-height: 1.5; }
.contact-link { color: var(--text); transition: color 0.2s; }
.contact-link:hover { color: var(--primary); }
.socials { display: flex; flex-wrap: wrap; gap: 10px; }
.social-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; font-size: 0.9rem; color: var(--text-muted); transition: border-color 0.2s, color 0.2s; }
.social-btn b { color: var(--text); font-family: var(--display); font-weight: 500; }
.social-btn:hover { border-color: var(--accent); color: var(--accent); }
.contacts-map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); position: relative; min-height: 380px; display: flex; }
.contacts-map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; filter: contrast(1.03) saturate(1.05); }
.map-link { position: absolute; bottom: 14px; right: 14px; background: var(--cta); color: #fff; padding: 9px 16px; border-radius: 8px; font-family: var(--display); text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.06em; box-shadow: 0 10px 24px -10px rgba(0,0,0,0.8); }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer { background: #050A16; position: relative; padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.7fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.95rem; max-width: 380px; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-nav h4, .footer-contact h4 { font-family: var(--display); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }
.footer-nav a, .footer-contact a, .footer-contact span { color: var(--text); transition: color 0.2s; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--primary); }
.footer-contact span { color: var(--text-muted); font-size: 0.92rem; }
.footer-contact .btn { margin-top: 8px; align-self: flex-start; }
.footer-bottom { border-top: 1px solid var(--line); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.footer-bottom span { color: var(--text-muted); font-size: 0.88rem; }
.footer-slogan { font-family: var(--display); text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary) !important; font-style: italic; font-weight: 600; }

/* ---------- to top ---------- */
.to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 48px; height: 48px; border: none; cursor: pointer;
  background: var(--cta); color: #fff; font-size: 1.4rem; border-radius: 12px;
  box-shadow: 0 14px 30px -12px rgba(46,139,255,0.9); transition: transform 0.2s, opacity 0.3s;
}
.to-top:hover { transform: translateY(-3px); }

/* ===================================================================
   REVEAL ANIMATIONS
   =================================================================== */
/* gated on .js so content stays visible if JS is disabled or fails to load */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; }
  .features-grid, .karts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 880px) {
  .main-nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex; flex-direction: column; gap: 4px;
    position: fixed; top: 56px; left: 0; right: 0;
    max-height: calc(100vh - 56px); overflow-y: auto;
    background: var(--bg-alt); border-bottom: 1px solid var(--line);
    padding: 16px 22px 24px; box-shadow: 0 30px 60px -20px rgba(0,0,0,0.9);
  }
  .main-nav.open .nav-link { min-height: 0; }
  .main-nav.open .nav-link { padding: 14px 12px; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .main-nav.open .nav-link::after { display: none; }
  .about-grid, .tracks-grid, .booking-inner, .contacts-grid { grid-template-columns: 1fr; }
  .track-card { grid-template-columns: 1fr; }
  .track-map { border-right: 0; border-bottom: 1px solid var(--line); }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .hero { padding: 120px 0 70px; min-height: auto; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
  .features-grid, .karts-grid { grid-template-columns: 1fr; }
  .price-tiers, .included-list { grid-template-columns: 1fr; }
  .deny-list { grid-template-columns: 1fr; }
  .forbid-list { columns: 1; }
  .rule-block { padding: 24px 22px 24px 26px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; }
  .hero-actions .btn { flex: 1; }
  .dash-card { margin-inline: auto; }
}
@media (max-width: 440px) {
  .price-tier { padding: 22px 20px; }
  .price-tier__body { gap: 10px; }
  .price-tier__num { font-size: 2.2rem; }
  .price-tier__cost b { font-size: 2.4rem; }
  .price-tier__time { gap: 9px; }
  .price-tier__time svg { width: 28px; height: 28px; }
  .price-tier__div { height: 44px; }
  .price-included { padding: 24px 22px; }
  .included-list li { padding: 14px 15px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}