:root{--bg:#eef1f6;--ink:#14213a;--muted:#55627c;--line:#d3dae6;--link:#2b63c9}
@media (prefers-color-scheme:dark){:root{--bg:#0e1526;--ink:#eaeff9;--muted:#9aa8c4;--line:#263250;--link:#7ea6ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:720px;margin:0 auto;padding:56px 16px 32px}
h1{font-size:clamp(2rem,7vw,2.8rem);letter-spacing:-.02em;margin:0 0 12px}
h2{font-size:1.25rem;margin:32px 0 8px}
p,li{color:var(--muted)}
p{margin:0 0 14px}
a{color:var(--link)}
footer{border-top:1px solid var(--line);max-width:720px;margin:0 auto;padding:20px 16px 32px;font-size:.9rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
footer nav{display:flex;gap:16px;flex-wrap:wrap}