:root{color-scheme:light dark;--bg:#f4f6fa;--fg:#152338;--card:#fff;--muted:#526174;--line:#dbe3ec;--accent:#2465be;font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}main{max-width:760px;margin:40px auto;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:20px}h1{font-size:clamp(1.9rem,5vw,2.7rem);line-height:1.15;letter-spacing:-.04em}h2{font-size:1.15rem;margin-top:30px}a{color:var(--accent);overflow-wrap:anywhere}nav{display:flex;flex-wrap:wrap;gap:18px}.eyebrow,small{color:var(--muted)}.eyebrow{text-transform:uppercase;font-size:.75rem;letter-spacing:.12em;font-weight:700}li{margin:8px 0}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}@media(max-width:600px){main{margin:12px;padding:22px}}@media(prefers-color-scheme:dark){:root{--bg:#10151c;--fg:#edf3fc;--card:#19222e;--muted:#b4c1d3;--line:#354152;--accent:#9cc4ff}}