:root { color-scheme: dark; }
body { margin: 0; background: #0f172a; color: #e2e8f0; font: 16px/1.6 -apple-system, system-ui, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { font-size: 1.75rem; margin: 0 0 .25rem; color: #fff; }
h2 { font-size: 1.15rem; margin: 2rem 0 .5rem; color: #fff; }
p, li { color: #cbd5e1; }
a { color: #38bdf8; }
.muted { color: #94a3b8; font-size: .9rem; }
.lang { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid #1e293b; }
nav a { margin-right: 1rem; }