:root {
  --navy: #0b1220;
  --navy-2: #121a2b;
  --navy-3: #1a2540;
  --gold: #f5c14a;
  --gold-2: #e0a82e;
  --text: #e8eef8;
  --muted: #9aa8c3;
  --line: rgba(255,255,255,.08);
  --ok: #22c55e;
  --danger: #ef4444;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.app-body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.03em;
  font-size: 20px;
  color: #fff;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.topbar {
  background: #0a84d0;
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
}
.topbar a { color: #fff; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11,18,32,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.nav-links { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.nav-links a:hover { color: #fff; }
.nav-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 11px 18px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: .18s ease;
  font-size: 14px;
}
.btn-gold { background: var(--gold); color: #111827; }
.btn-gold:hover { background: var(--gold-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.18); }
.btn-ghost:hover { border-color: #fff; }
.btn-block { width: 100%; }

.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(245,193,74,.18), transparent 60%),
    radial-gradient(700px 380px at 10% 20%, rgba(59,130,246,.16), transparent 55%),
    var(--navy);
}
.hero h1 {
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -.04em;
}
.hero p { max-width: 640px; color: var(--muted); font-size: 18px; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.section { padding: 80px 0; }
.section.alt { background: var(--navy-2); }
.section h2 { font-size: 34px; margin: 0 0 8px; letter-spacing: -.03em; }
.section .lead { color: var(--muted); margin: 0 0 36px; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.card {
  background: var(--navy-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 12px 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(245,193,74,.12); color: var(--gold);
}

.price { font-size: 32px; font-weight: 800; color: var(--gold); margin: 8px 0; }
.price small { font-size: 13px; color: var(--muted); font-weight: 600; }
.badge {
  display: inline-block;
  background: rgba(245,193,74,.12);
  color: var(--gold);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.stat { text-align: center; }
.stat b { display: block; font-size: 32px; color: var(--gold); }
.stat span { color: var(--muted); font-size: 13px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 24px;
  color: var(--muted);
  font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 28px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer a { color: var(--muted); text-decoration: none; display: block; margin: 8px 0; }
.site-footer a:hover { color: var(--gold); }
.copy { border-top: 1px solid var(--line); padding-top: 18px; font-size: 13px; }

/* Auth / legal light surfaces */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(700px 380px at 80% 0%, rgba(245,193,74,.16), transparent 55%),
    var(--navy);
}
.auth-card {
  width: min(440px, 100%);
  background: #fff;
  color: #111827;
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.auth-card h1, .auth-card h3 { margin: 8px 0 6px; }
.auth-card p { color: #6b7280; margin: 0 0 18px; }
.auth-card label { display: block; font-size: 13px; font-weight: 700; margin: 0 0 6px; }
.auth-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #dbe1ea;
  border-radius: 10px;
  margin-bottom: 14px;
  font-size: 15px;
}
.auth-card input:focus { outline: 2px solid rgba(245,193,74,.45); border-color: var(--gold-2); }
.alert { padding: 12px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
.alert-danger { background: #fef2f2; color: #991b1b; }
.alert-success { background: #ecfdf3; color: #166534; }
.alert-info { background: #eff6ff; color: #1e40af; }
.alert-warn { background: #fffbeb; color: #92400e; }
.muted-link { text-align: center; margin-top: 14px; font-size: 14px; color: #6b7280; }
.muted-link a { color: #1d4ed8; text-decoration: none; font-weight: 700; }

.doc-wrap { background: #f6f7fb; color: #111827; min-height: 100vh; }
.doc { width: min(900px, calc(100% - 32px)); margin: 40px auto; background: #fff; border-radius: 16px; padding: 36px; box-shadow: 0 10px 30px rgba(15,23,42,.08); }
.doc h1, .doc h2 { color: #0b1220; }
.endpoint { background: #0b1220; color: #f5c14a; padding: 12px 14px; border-radius: 8px; font-family: ui-monospace, Consolas, monospace; margin: 10px 0 18px; }

@media (max-width: 900px) {
  .grid-3, .grid-4, .grid-6, .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-6, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0; }
}