:root { --bg: #fbfaf7; --fg: #1d2420; --muted: #5b665f; --link: #1f6b4a; --rule: #dcd9d0; }
@media (prefers-color-scheme: dark) {
	:root { --bg: #121614; --fg: #e8ebe7; --muted: #a2aca5; --link: #7fcfa6; --rule: #2a312d; }
}
* { 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: 40rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .25rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
p, ul { margin: .5rem 0; }
.lead { color: var(--muted); font-size: 1.1rem; }
a { color: var(--link); }