:root { --fg: #1c1b19; --muted: #6b6862; --bg: #f4f2ee; --line: #dedad3; }
@media (prefers-color-scheme: dark) { :root { --fg: #ecebe8; --muted: #a29f99; --bg: #171615; --line: #33312e; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 Georgia, "Times New Roman", serif; }
main { max-width: 640px; margin: 0 auto; padding: 56px 20px 80px; }
h1 { font-size: 40px; line-height: 1.15; margin: 0 0 8px; font-weight: normal; }
h2 { font-size: 21px; margin: 40px 0 8px; font-weight: normal; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: inherit; }
.muted { color: var(--muted); font-size: 15px; }
footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); }