:root { color-scheme: dark; font: 16px/1.65 system-ui, sans-serif; background: #111827; color: #f9fafb; }
body { margin: 0; }
main { box-sizing: border-box; max-width: 52rem; min-height: 100vh; margin: auto; padding: clamp(2rem, 8vw, 5rem) 1.5rem; }
h1 { max-width: 18ch; font-size: clamp(2.25rem, 6vw, 4rem); line-height: 1.1; }
h2 { margin-top: 2rem; font-size: 1.35rem; }
p, li { max-width: 72ch; }
a { color: #c4b5fd; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
pre { max-width: 100%; overflow: auto; }