:root { color-scheme: light; font-family: system-ui, sans-serif; color: #202a33; background: #f6f7f8; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 1.0625rem; line-height: 1.65; }
header, main, footer { max-width: 780px; margin: auto; padding: 24px; }
header { border-bottom: 1px solid #d8dee3; }
nav { display: flex; flex-wrap: wrap; gap: 24px; }
a { color: #165a87; text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid #165a87; outline-offset: 4px; }
main { background: white; }
h1 { font-size: clamp(1.75rem, 5vw, 2.25rem); line-height: 1.2; margin: 12px 0 24px; }
h2 { font-size: 1.25rem; line-height: 1.35; margin-top: 32px; }
p, ul { margin: 0 0 18px; }
li { margin-bottom: 8px; }
footer { border-top: 1px solid #d8dee3; font-size: .925rem; color: #4d5964; }
code { overflow-wrap: anywhere; }