:root {
  /* Фон и поверхности */
  --bg: #0c0e17;
  --bg-header: #090b12;
  --bg-footer: #090b12;
  --bg-card: #141926;
  --bg-surf: #1b2234;
  --bg-surf2: #242e47;

  /* Акценты */
  --accent: #ff9f00;
  --accent2: #3b51f1;
  --accent-gold: #ffcc00;
  --neon: #2b66ff;
  --success: #10b981;

  /* Текст */
  --text: #ffffff;
  --text-light: #ffffff;
  --text2: #8a94a6;

  /* Декор */
  --border: rgba(138, 148, 166, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.8);

  --container: 1200px;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .85; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== HEADER ========== */
.site-header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo-link { display: inline-flex; align-items: center; }
.logo-img { height: 40px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
}
.main-nav a {
  color: var(--text2);
  font-weight: 500;
  font-size: 15px;
  transition: color .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); opacity: 1; }

.play-btn {
  display: inline-block;
  background: var(--accent);
  color: #1a0f00 !important;
  font-weight: 700;
  padding: 11px 26px;
  border-radius: var(--radius);
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: .5px;
  box-shadow: 0 4px 18px rgba(255, 159, 0, .35);
  transition: transform .2s, box-shadow .2s;
}
.play-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(255, 159, 0, .5);
  opacity: 1;
}

.burger-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 6px;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.burger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform .25s, opacity .25s;
}
.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; padding: 10px 0; }
.mobile-menu li a {
  display: block;
  padding: 14px 20px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}

/* ========== HERO ========== */
.hero {
  padding: 60px 0 40px;
  background: linear-gradient(180deg, #0c0e17 0%, #131826 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin-bottom: 18px;
  font-weight: 800;
  letter-spacing: -.5px;
}
.hero h1 span { color: var(--accent); }
.hero p.lead { color: var(--text2); font-size: 17px; margin-bottom: 26px; }
.hero-img {
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-img img { width: 100%; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-row .play-btn { padding: 14px 32px; font-size: 15px; }
.cta-secondary {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--accent2);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
  background: rgba(59, 81, 241, .12);
}
.cta-secondary:hover { background: rgba(59, 81, 241, .25); opacity: 1; }

/* ========== SECTIONS ========== */
.section { padding: 50px 0; }
.section-lg { padding: 70px 0; }
h1, h2, h3 { line-height: 1.25; }
h2 {
  font-size: 30px;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -.3px;
}
h2 span.accent { color: var(--accent); }
h3 {
  font-size: 21px;
  margin: 26px 0 14px;
  font-weight: 700;
  color: var(--text);
}
p { margin-bottom: 16px; color: #d5dbe6; }
p + h2, ul + h2, ol + h2, table + h2, .table-wrapper + h2, .card-grid + h2 { margin-top: 40px; }

ul, ol { margin: 14px 0 20px 22px; }
ul li, ol li { margin-bottom: 8px; color: #d5dbe6; }
ul li::marker { color: var(--accent); }
ol li::marker { color: var(--accent-gold); font-weight: 700; }

/* Tables */
.table-wrapper { width: 100%; overflow-x: auto; margin: 20px 0; border-radius: var(--radius); border: 1px solid var(--border); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  min-width: 500px;
}
th, td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
th {
  background: var(--bg-surf);
  color: var(--accent-gold);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: .5px;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-surf2); }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-2px); border-color: rgba(255, 159, 0, .3); }
.card h3 { margin-top: 0; color: var(--accent); font-size: 18px; }
.card p { margin-bottom: 0; font-size: 14px; color: var(--text2); }

/* Info banner / CTA block */
.cta-banner {
  background: linear-gradient(135deg, #1b2234 0%, #242e47 100%);
  border: 1px solid var(--accent2);
  border-radius: 14px;
  padding: 36px;
  margin: 30px 0;
  text-align: center;
}
.cta-banner h3 { color: var(--accent-gold); font-size: 24px; margin-bottom: 12px; }
.cta-banner p { color: var(--text); margin-bottom: 20px; }

/* Feature grid */
.feature {
  background: var(--bg-surf);
  padding: 20px;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.feature strong { color: var(--accent-gold); display: block; margin-bottom: 6px; font-size: 15px; }
.feature span { color: var(--text2); font-size: 14px; }

/* FAQ */
.faq { margin: 30px 0; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  position: relative;
  padding-right: 50px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 22px;
  font-weight: 400;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-answer { padding: 18px 22px; color: var(--text2); }

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(135deg, rgba(255, 159, 0, .08), rgba(59, 81, 241, .12));
  border-radius: 14px;
  margin: 40px 0;
  border: 1px solid var(--border);
}
.final-cta h2 { margin-bottom: 14px; }

/* ========== FOOTER ========== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 40px 0 24px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-brand img { height: 40px; margin-bottom: 16px; }
.footer-brand p { color: var(--text2); font-size: 14px; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
}
.footer-links a { color: var(--text2); font-size: 14px; font-weight: 500; }
.footer-links a:hover { color: var(--accent); opacity: 1; }
.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--text2);
  font-size: 13px;
  text-align: center;
}
.footer-bottom .age { color: var(--accent); font-weight: 700; margin-right: 8px; }

/* Page header */
.page-hero {
  padding: 50px 0 30px;
  background: linear-gradient(180deg, #0c0e17 0%, #141a2a 100%);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: 38px;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -.5px;
}
.page-hero h1 span { color: var(--accent); }
.page-hero .subtitle { color: var(--text2); font-size: 17px; max-width: 720px; }
.page-hero-flex {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.page-hero-flex .img-wrap {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* 404 */
.err-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}
.err-code {
  font-size: 130px;
  line-height: 1;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: -3px;
}
.err-wrap h2 { font-size: 28px; margin-bottom: 12px; }
.err-wrap p { color: var(--text2); margin-bottom: 24px; max-width: 500px; }

/* Utility */
.text-accent { color: var(--accent); }
.text-gold { color: var(--accent-gold); }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .hero-grid, .page-hero-flex, .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .page-hero h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
  .hero-img { order: -1; max-width: 500px; margin: 0 auto; }
  .page-hero-flex .img-wrap { max-width: 500px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .burger-btn { display: flex; }
  .header-inner { gap: 12px; }
  .play-btn { padding: 10px 18px; font-size: 13px; }
  .hero { padding: 40px 0 30px; }
  .section, .section-lg { padding: 40px 0; }
  .cta-banner { padding: 24px; }
  .final-cta { padding: 30px 18px; }
  .footer-links { grid-template-columns: 1fr; }
  .err-code { font-size: 90px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 24px; }
  h2 { font-size: 21px; }
  .container { padding: 0 16px; }
  .play-btn { padding: 9px 14px; font-size: 12px; }
  .logo-img { height: 34px; }
  .cta-row { flex-direction: column; }
  .cta-row a { width: 100%; text-align: center; }
}