:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: Canvas;
  color: CanvasText;
}

* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(760px, calc(100% - 32px)); margin-inline: auto; }
header { padding: 28px 0 18px; border-bottom: 1px solid color-mix(in srgb, CanvasText 18%, transparent); }
main { padding: 24px 0 44px; }
footer { padding: 20px 0 36px; border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent); color: GrayText; }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
a { color: LinkText; }
h1 { margin: 0 0 8px; font-size: 2rem; }
h2 { margin-top: 2rem; font-size: 1.3rem; }
ul { padding-left: 1.4rem; }
.lede { color: GrayText; margin: 0; }
.language { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid color-mix(in srgb, CanvasText 18%, transparent); }