:root { color-scheme: light dark; --fg: #1b1b1b; --muted: #666; --bg: #fafaf7; --link: #1a5fb4; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e6e1; --muted: #9a978f; --bg: #141414; --link: #8cb4f0; } }
body { margin: 0; padding: 3rem 1.25rem; background: var(--bg); color: var(--fg);
       font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main, footer { max-width: 40rem; margin: 0 auto; }
h1 { font-size: 2rem; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .25rem; }
a { color: var(--link); }
.meta, footer { color: var(--muted); font-size: .9rem; }
footer { margin-top: 3rem; }