:root{--bg:#0A0B0F;--fg:#F2F2F0;--muted:#A3A3AD;--line:#262833;--accent:#FF5A4E}
@media (prefers-color-scheme: light){:root{--bg:#FAFAF8;--fg:#14141A;--muted:#5C5C66;--line:#E2E2E6}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:48px 16px 64px}
header{display:flex;gap:16px;flex-wrap:wrap;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:32px}
header a.brand{font-weight:800;letter-spacing:.04em;color:var(--fg);text-decoration:none}
nav a{color:var(--muted);margin-right:16px;text-decoration:none}nav a:hover,a{color:var(--accent)}
h1{font-size:2rem;line-height:1.2;margin:0 0 8px}h2{font-size:1.2rem;margin:32px 0 8px}
p,li{color:var(--fg)}.muted{color:var(--muted)}footer{margin-top:48px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:.9rem}