:root { color-scheme: light; --ink: #292725; --muted: #625e58; --line: #e7e2dc; }
* { box-sizing: border-box; }
body { margin: 0; background: #fdfbf7; color: var(--ink); font: 16px/1.7 system-ui, -apple-system, Segoe UI, sans-serif; }
a { color: #3157a6; }
a:focus-visible { outline: 3px solid #3157a6; outline-offset: 3px; }
header, footer { border-bottom: 1px solid var(--line); }
footer { border-top: 1px solid var(--line); border-bottom: 0; margin-top: 3rem; }
.wrap { width: min(100% - 32px, 780px); margin: auto; }
header .wrap, footer .wrap { padding: 16px 0; }
header nav, footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
main { padding: 40px 0 32px; }
h1 { font-size: clamp(1.9rem, 5vw, 2.5rem); line-height: 1.2; }
h2 { font-size: 1.25rem; margin-top: 2rem; line-height: 1.35; }
p, li { max-width: 72ch; }
ul { padding-left: 1.3rem; }
.meta { color: var(--muted); font-size: .9rem; }
.note { border-left: 4px solid #167a68; background: #eef5f0; padding: 12px 18px; }