:root { color-scheme: light; --ink: #07111f; --muted: #475467; --line: #dce3ee; --accent: #1748d2; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f7f9fc; color: var(--ink); font: 1rem/1.7 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #0d9488; outline-offset: 3px; }
.skip-link { position: absolute; left: 1rem; top: -5rem; padding: .65rem 1rem; background: #fff; z-index: 2; }
.skip-link:focus { top: 1rem; }
header, footer { background: var(--ink); color: #fff; }
header > div, footer > div { max-width: 850px; margin: auto; padding: 1.1rem 1.25rem; display: flex; gap: 1.2rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
header a, footer a { color: #fff; }
header .brand { font-weight: 800; font-size: 1.2rem; text-decoration: none; }
main { max-width: 850px; margin: 0 auto; padding: 3.5rem 1.25rem 5rem; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 1rem; }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 2.4rem 0 .6rem; }
p, li { max-width: 75ch; }
.lead { color: var(--muted); font-size: 1.08rem; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem 2rem; box-shadow: 0 8px 28px rgba(7,17,31,.04); }
.card h2:first-child { margin-top: 0; }
dl { display: grid; grid-template-columns: minmax(130px, .35fr) 1fr; gap: .55rem 1rem; }
dt { font-weight: 700; }
dd { margin: 0; }
.updated { color: var(--muted); font-size: .9rem; }
@media (max-width: 600px) { .card { padding: 1.2rem; } dl { grid-template-columns: 1fr; gap: .1rem; } dd { margin-bottom: .65rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }