:root { color-scheme: light dark; --bg: #fbfaf8; --fg: #1b1b1f; --muted: #5d5d66; --link: #1a56c4; --line: #dcdae0; }
@media (prefers-color-scheme: dark) { :root { --bg: #121214; --fg: #ececf1; --muted: #a3a3ad; --link: #8db4ff; --line: #34343a; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header, main, footer { max-width: 42rem; margin: 0 auto; padding: 0 1rem; }
header { padding-top: 1.25rem; padding-bottom: .5rem; font-weight: 700; letter-spacing: .04em; }
header a { color: var(--fg); text-decoration: none; }
main { padding-bottom: 3rem; }
h1 { font-size: 1.75rem; line-height: 1.2; margin: 1.5rem 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .25rem; }
p, ul { margin: .75rem 0; }
li { margin: .35rem 0; }
a { color: var(--link); overflow-wrap: anywhere; }
.lead { font-size: 1.25rem; }
.muted, footer { color: var(--muted); }
footer { padding-top: 1rem; padding-bottom: 2rem; border-top: 1px solid var(--line); }