:root {
  --bg: #000;
  --surface: #121212;
  --border: #2c2c2e;
  --text: #fff;
  --text-2: #b3b3b3;
  --muted: #8e8e93;
  --accent: #3f9a6d;
  --accent-soft: #16281f;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header { border-bottom: 1px solid var(--border); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { color: var(--text); text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
nav { display: flex; gap: 18px; }
nav a { color: var(--text-2); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

main.wrap { padding-top: 48px; padding-bottom: 64px; }

.hero h1 { font-size: clamp(34px, 7vw, 52px); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 16px; }
.hero p { color: var(--text-2); font-size: 19px; margin: 0 0 32px; max-width: 34em; }

.points { display: grid; gap: 12px; padding: 0; margin: 0 0 40px; list-style: none; }
.points li { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.points strong { display: block; margin-bottom: 2px; }
.points span { color: var(--text-2); font-size: 15px; }

.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 600; }

.doc h1 { font-size: 34px; letter-spacing: -0.02em; margin: 0 0 4px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 21px; margin: 36px 0 8px; }
.doc p, .doc li { color: var(--text-2); }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; margin: 16px 0; }
.card p { margin: 0; }

footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 24px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer a { color: var(--muted); }