:root { --bg: #0e0e12; --surface: #1b1b24; --text: #f5f5f7; --muted: #a0a0b2; --primary: #ffd43b; --line: #2a2a36; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--primary); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: .02em; color: var(--text); text-decoration: none; }
.logo span { color: var(--primary); }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--text); }
.hero { padding: 72px 0 40px; }
h1 { font-size: 44px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -.01em; }
h2 { font-size: 22px; margin: 36px 0 8px; }
.lead { font-size: 20px; color: var(--muted); max-width: 620px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 32px 0 48px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card b { display: block; margin-bottom: 4px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.yt { display: inline-flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px 6px 8px; font-size: 14px; color: var(--text); }
.yt i { width: 26px; height: 18px; border-radius: 5px; background: #ff0033; position: relative; display: inline-block; }
.yt i::after { content: ""; position: absolute; left: 10px; top: 5px; border-left: 8px solid #fff;
  border-top: 4px solid transparent; border-bottom: 4px solid transparent; }
.doc { padding: 48px 0 64px; }
.doc p, .doc li { color: #dcdce4; }
.doc .updated { color: var(--muted); font-size: 14px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 18px; }