:root { --bg: #fbfaf7; --text: #1d1c1a; --muted: #5f5e5a; --line: #e1e0d9; --link: #185fa5; }
@media (prefers-color-scheme: dark) { :root { --bg: #1a1a19; --text: #f0efec; --muted: #c3c2b7; --line: #383835; --link: #85b7eb; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 56px 16px 72px; }
h1 { font-size: 28px; font-weight: 600; margin: 0 0 8px; }
h2 { font-size: 19px; font-weight: 600; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--link); }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15px; color: var(--muted); }