:root {
  --bg: #070b16;
  --bg-2: #0d1426;
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf6;
  --muted: #98a2bd;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --warn: #fbbf24;
  --radius: 18px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(129, 140, 248, 0.22), transparent 60%),
    radial-gradient(800px 500px at 100% 0%, rgba(94, 234, 212, 0.16), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #99f6e4; text-decoration: underline; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ── nav ───────────────────────────────────────────── */
header.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 11, 22, 0.65);
  border-bottom: 1px solid var(--card-border);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: .2px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(94, 234, 212, .7);
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 22px rgba(129, 140, 248, .9); transform: scale(1.12); } }
.nav nav { display: flex; gap: 22px; font-size: .95rem; }
.nav nav a { color: var(--muted); }
.nav nav a:hover, .nav nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* ── hero ──────────────────────────────────────────── */
.hero { padding: 96px 0 56px; text-align: center; }
.hero .badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: .8rem;
  color: var(--accent); border: 1px solid rgba(94, 234, 212, .35);
  background: rgba(94, 234, 212, .08); margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4rem); line-height: 1.1; font-weight: 800; letter-spacing: -1px;
  background: linear-gradient(120deg, #fff 20%, var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { max-width: 640px; margin: 22px auto 34px; color: var(--muted); font-size: 1.15rem; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 12px; font-weight: 600;
  border: 1px solid var(--card-border); color: var(--text); background: var(--card);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; background: rgba(255,255,255,.08); }
.btn.primary {
  color: #04121a; border: none;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 28px rgba(94, 234, 212, .25);
}
.btn.primary:hover { box-shadow: 0 12px 34px rgba(129, 140, 248, .4); background: linear-gradient(120deg, var(--accent), var(--accent-2)); }
.cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── sections / cards ──────────────────────────────── */
section { padding: 40px 0; }
h2 { font-size: 1.7rem; margin-bottom: 8px; letter-spacing: -.3px; }
h3 { font-size: 1.1rem; margin-bottom: 6px; }
.sub { color: var(--muted); margin-bottom: 26px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 24px; backdrop-filter: blur(8px);
  transition: transform .25s, border-color .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(94, 234, 212, .4); box-shadow: 0 14px 40px rgba(0, 0, 0, .35); }
.card .icon { font-size: 1.7rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .95rem; }

code, .mono { font-family: var(--mono); font-size: .88rem; }
code {
  background: rgba(255, 255, 255, .07); padding: 2px 7px; border-radius: 6px; color: #c7d2fe;
  word-break: break-all;
}
pre {
  font-family: var(--mono); font-size: .85rem; background: rgba(0, 0, 0, .35);
  border: 1px solid var(--card-border); border-radius: 12px; padding: 16px; overflow-x: auto; color: #c7d2fe;
}

ul.clean { list-style: none; }
ul.clean li { padding: 6px 0 6px 26px; position: relative; color: var(--muted); }
ul.clean li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
ul.clean li strong { color: var(--text); }

.note {
  border-left: 3px solid var(--warn); background: rgba(251, 191, 36, .07);
  padding: 14px 18px; border-radius: 0 12px 12px 0; color: #fde68a; font-size: .93rem; margin: 18px 0;
}

/* ── tables ────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--card-border); border-radius: var(--radius); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--card-border); }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgba(255, 255, 255, .04); }
tbody tr:last-child td { border-bottom: none; }
.region { color: var(--accent-2); font-weight: 600; background: rgba(129,140,248,.06); }

footer { border-top: 1px solid var(--card-border); margin-top: 60px; padding: 30px 0 50px; color: var(--muted); font-size: .88rem; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 640px) {
  .nav nav { gap: 14px; font-size: .85rem; }
  .hero { padding: 64px 0 36px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}