:root { color-scheme: light dark; --fg: #1b1d21; --muted: #5c6370; --bg: #fbfbfa; --accent: #0b7a53; }
@media (prefers-color-scheme: dark) { :root { --fg: #e8e9eb; --muted: #a2a8b3; --bg: #15171a; --accent: #4fd1a0; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1rem 4rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .5rem; }
p, li { color: var(--fg); }
.lede { color: var(--muted); font-size: 1.15rem; margin-top: 0; }
.small { color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid color-mix(in srgb, var(--muted) 30%, transparent); }