:root {
	color-scheme: light dark;
	--bg: #ffffff;
	--fg: #1b1f24;
	--muted: #5b6573;
	--line: #d8dde4;
	--link: #0b57d0;
}
@media (prefers-color-scheme: dark) {
	:root {
		--bg: #12151a;
		--fg: #e6e9ee;
		--muted: #9aa4b2;
		--line: #2c333d;
		--link: #8ab4f8;
	}
}
* { box-sizing: border-box; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 1rem 1.25rem; }
header { border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: baseline; justify-content: space-between; }
header .brand { font-weight: 700; color: var(--fg); text-decoration: none; }
nav a { margin-right: 1rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 1.5rem 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
p, li { overflow-wrap: anywhere; }
a { color: var(--link); }
.muted { color: var(--muted); font-size: .9rem; }
footer { border-top: 1px solid var(--line); margin-top: 2rem; color: var(--muted); font-size: .9rem; }