/* Layout only: colours and font come from brand.css (WhiteBrand's tokens). */
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 16px/1.65 var(--font-mono); }
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 0 0 .4rem; color: var(--strong); }
h2 { font-size: 1.05rem; margin: 2.2rem 0 .5rem; color: var(--accent); }
.lead { color: var(--sub); margin-top: 0; }
a { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 1.25rem; padding-bottom: 1rem; margin-bottom: 2rem; border-bottom: 1px solid var(--rule); }
nav a { text-decoration: none; }
nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 4px; }
ul { padding-left: 1.2rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--sub); font-size: .85rem; }