:root { color-scheme: light dark; --fg: #1b1b1b; --bg: #fafaf8; --link: #1a5fb4; }
@media (prefers-color-scheme: dark) { :root { --fg: #ececec; --bg: #141414; --link: #8ab4f8; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 16px; }
h1 { font-size: 1.8rem; margin: 0 0 .4em; }
section + section { margin-top: 3em; padding-top: 2em; border-top: 1px solid color-mix(in srgb, var(--fg) 15%, transparent); }
a { color: var(--link); }
footer { margin-top: 3em; font-size: .9rem; }