:root {
  --bg: #0b1424;
  --surface: #121f36;
  --text: #e8eef8;
  --muted: #9fb0c8;
  --accent: #14b8a6;
  --accent-2: #ffd60a;
  --border: #22324d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent); }
header {
  border-bottom: 1px solid var(--border);
  padding: 16px;
}
.nav {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
.nav nav a:hover { color: var(--text); }
main { max-width: 960px; margin: 0 auto; padding: 48px 16px 64px; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.15; margin: 0 0 16px; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); font-size: 18px; max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 40px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.doc h1 { font-size: clamp(26px, 4vw, 36px); margin-top: 0; }
.doc h2 { font-size: 20px; margin-top: 32px; }
.doc p, .doc li { color: #c9d5e6; }
.updated { color: var(--muted); font-size: 14px; }
footer {
  border-top: 1px solid var(--border); padding: 24px 16px; text-align: center;
  color: var(--muted); font-size: 14px;
}
footer a { color: var(--muted); margin: 0 8px; }