:root {
  --bg: #0e1420;
  --bg-header-start: #050810;
  --bg-header-end: #1a2332;
  --bg-footer: #050810;
  --bg-card: #1a2332;
  --bg-surf: #1e2a3d;
  --bg-surf2: #2a3648;
  --accent: #ffcc00;
  --accent2: #ff9500;
  --brand: #4d8fff;
  --brand-dark: #2563eb;
  --success: #22c55e;
  --success-dark: #16a34a;
  --danger: #ef4444;
  --text: #ffffff;
  --text2: #a0aec0;
  --text3: #718096;
  --text-dark: #1a2332;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(255, 204, 0, 0.3);
  --gradient-cta: linear-gradient(135deg, #ffcc00 0%, #ff9500 100%);
  --gradient-header: linear-gradient(180deg, #050810 0%, #1a2332 100%);
  --gradient-brand: linear-gradient(135deg, #4d8fff 0%, #a855f7 100%);
  --gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --header-h: 70px;
  --radius: 14px;
  --font: "Manrope", "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-padding-top: var(--header-h); scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  padding-top: var(--header-h);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--accent); }
p, li, td, th, h1, h2, h3, a { overflow-wrap: anywhere; }

h1, h2, h3 { line-height: 1.2; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 0.6em; }
h1 { font-size: clamp(1.7rem, 6vw, 2.7rem); }
h2 { font-size: clamp(1.35rem, 4.5vw, 1.9rem); margin-top: 2.2rem; }
h3 { font-size: clamp(1.1rem, 3.5vw, 1.3rem); margin-top: 1.6rem; }
p { margin: 0 0 1rem; color: var(--text2); }
strong { color: var(--text); }
ul, ol { padding-left: 1.3rem; margin: 0 0 1.2rem; color: var(--text2); }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--accent); font-weight: 700; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* Header */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-h);
  background: var(--gradient-header);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1280px; margin: 0 auto; padding: 0 16px; height: 100%;
}
.logo-link { flex-shrink: 0; display: block; }
.logo-img { height: 40px; width: auto; display: block; }
.main-nav { flex: 1 1 auto; min-width: 0; display: flex; justify-content: center; }
.main-nav ul { display: flex; gap: 14px; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  white-space: nowrap; color: var(--text2); font-weight: 600; font-size: 0.92rem;
  padding: 6px 4px; border-bottom: 2px solid transparent; transition: 0.2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); border-bottom-color: var(--accent); }
.header-btns { display: flex; gap: 8px; flex-shrink: 0; }
.play-btn {
  display: inline-flex; align-items: center; justify-content: center;
  white-space: nowrap; font-weight: 800; font-size: 0.9rem;
  padding: 10px 18px; border-radius: 10px; transition: 0.2s; line-height: 1.1;
}
.login-btn { border: 2px solid var(--brand); color: var(--brand); background: transparent; }
.login-btn:hover { background: var(--brand); color: var(--text); }
.reg-btn { background: var(--gradient-success); color: var(--text); box-shadow: var(--shadow-glow); }
.reg-btn:hover { color: var(--text); transform: translateY(-1px); filter: brightness(1.08); }
.burger-btn {
  display: none; width: 44px; height: 44px; flex-shrink: 0;
  background: var(--bg-surf); border: 1px solid var(--border-strong); border-radius: 10px;
  cursor: pointer; padding: 0; position: relative;
}
.burger-btn span {
  position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); border-radius: 2px;
  transition: 0.25s;
}
.burger-btn span:nth-child(1) { top: 14px; }
.burger-btn span:nth-child(2) { top: 21px; }
.burger-btn span:nth-child(3) { top: 28px; }
.burger-btn.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
.mobile-nav {
  display: none; position: fixed; top: var(--header-h); right: 0; width: 100%; max-width: 320px;
  max-height: calc(100vh - var(--header-h)); overflow-y: auto; z-index: 999;
  background: var(--bg-card); border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: 8px 0; }
.mobile-nav a {
  display: block; padding: 13px 20px; color: var(--text); font-weight: 600; border-bottom: 1px solid var(--border);
}
.mobile-nav a:hover { background: var(--bg-surf); color: var(--accent); }
.nav-overlay { display: none; position: fixed; inset: var(--header-h) 0 0 0; background: rgba(0,0,0,0.55); z-index: 998; }
.nav-overlay.open { display: block; }

/* Layout */
main { padding: 32px 0 48px; }
.article { max-width: 860px; margin: 0 auto; }
.hero { padding: 8px 0 24px; }
.hero p.lead { font-size: 1.1rem; color: var(--text); }
.hero-img, .h2-img {
  border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-lg);
  margin: 0 0 1.4rem; width: 100%;
}
.breadcrumbs { font-size: 0.85rem; color: var(--text3); margin-bottom: 1rem; }
.breadcrumbs a { color: var(--text3); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span::before { content: "›"; margin: 0 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; text-align: center;
  padding: 14px 28px; border-radius: 12px; font-weight: 800; font-size: 1rem;
  background: var(--gradient-cta); color: var(--text-dark); box-shadow: var(--shadow-glow);
  transition: 0.2s; max-width: 100%; white-space: normal;
}
.btn:hover { color: var(--text-dark); transform: translateY(-2px); box-shadow: 0 0 28px rgba(255, 204, 0, 0.5); }
.btn-outline { background: transparent; color: var(--brand); border: 2px solid var(--brand); box-shadow: none; }
.btn-outline:hover { background: var(--brand); color: var(--text); box-shadow: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.2rem 0 1.6rem; }

/* Cards & blocks */
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); min-width: 0;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 1.2rem 0 1.6rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.stat { font-size: 1.8rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 6px; }
.note {
  border-left: 4px solid var(--accent); background: var(--bg-surf); padding: 14px 16px;
  border-radius: 0 10px 10px 0; margin: 1.2rem 0; color: var(--text2);
}
.note p:last-child { margin: 0; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li {
  counter-increment: s; position: relative; padding: 14px 16px 14px 60px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 12px; margin-bottom: 10px; color: var(--text2);
}
.steps li::before {
  content: counter(s); position: absolute; left: 14px; top: 12px; width: 34px; height: 34px;
  border-radius: 50%; background: var(--gradient-cta); color: var(--text-dark); font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* Tables */
.table-wrapper { width: 100%; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.2rem 0 1.6rem; border-radius: 12px; border: 1px solid var(--border); }
.table-wrapper table { width: 100%; min-width: 560px; border-collapse: collapse; background: var(--bg-card); }
.table-wrapper td, .table-wrapper th { white-space: nowrap; padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
.table-wrapper th { background: var(--bg-surf2); color: var(--text); font-weight: 700; }
.table-wrapper td { color: var(--text2); }
.table-wrapper tr:last-child td { border-bottom: none; }

/* FAQ */
.faq details {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 10px; padding: 0 16px;
}
.faq summary {
  cursor: pointer; padding: 14px 0; font-weight: 700; list-style: none; position: relative; padding-right: 30px; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 12px; color: var(--accent); font-size: 1.4rem; font-weight: 800; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-bottom: 14px; margin: 0; }

/* CTA block */
.cta-block {
  margin: 2.4rem 0 0; padding: 32px 24px; text-align: center; border-radius: 18px;
  background: radial-gradient(circle at 20% 0%, rgba(77,143,255,0.25), transparent 50%), var(--bg-card);
  border: 1px solid var(--border-strong);
}
.cta-block h2 { margin-top: 0; }
.cta-block .btn { margin-top: 8px; }

/* Footer */
footer { background: var(--bg-footer); border-top: 1px solid var(--border); padding: 36px 0 24px; color: var(--text3); font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; padding: 0; margin: 0 0 24px; }
.footer-links a { color: var(--text2); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; border-top: 1px solid var(--border); padding-top: 18px; }
.badge-18 {
  display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--danger); color: var(--danger); font-weight: 800; font-size: 0.85rem; flex-shrink: 0;
}
.footer-bottom p { margin: 0; color: var(--text3); flex: 1 1 260px; min-width: 0; }

/* 404 */
.err { text-align: center; padding: 40px 0; }
.err-code { font-size: clamp(5rem, 22vw, 9rem); font-weight: 800; line-height: 1; background: var(--gradient-cta); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Responsive */
@media (max-width: 1199px) {
  :root { --header-h: 60px; }
  .main-nav { display: none; }
  .header-inner { gap: 8px; padding: 0 12px; }
  .logo-img { height: 36px; }
  .header-btns { flex: 1 1 auto; min-width: 0; display: flex; justify-content: center; gap: 6px; }
  .play-btn { padding: 9px 14px; font-size: 0.85rem; }
  .burger-btn { display: block; }
}
@media (max-width: 768px) {
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
  main { padding: 20px 0 36px; }
  .cta-block { padding: 24px 16px; }
}
@media (max-width: 480px) {
  .play-btn { padding: 8px 12px; font-size: 13px; }
  .mobile-nav { max-width: 100%; }
}
@media (max-width: 360px) {
  .container { padding: 0 12px; }
  .logo-img { height: 28px; }
  .header-inner { gap: 4px; padding: 0 8px; }
  .header-btns { gap: 4px; }
  .play-btn { padding: 6px 8px; font-size: 12px; }
  .card { padding: 14px; }
}