:root {
  --bg: #ffffff; --fg: #1c1f24; --muted: #555b65; --line: #dfe2e6; --accent: #1f3a5f;
  --serif: Charter, "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171b; --fg: #e8eaed; --muted: #a6adb7; --line: #2c3138; --accent: #9db8de; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 1.0625rem/1.65 var(--sans); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-underline-offset: 3px; }

header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px 24px; padding-top: 20px; padding-bottom: 16px; }
.brand { font: 600 1.1rem var(--serif); color: var(--fg); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: .95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--fg); text-decoration: underline; }

main { padding: 56px 0 72px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 5vw, 2.5rem); margin: 0 0 24px; }
h2 { font-size: 1.35rem; margin: 40px 0 8px; }
h3 { font-size: 1.1rem; margin: 0 0 4px; }
.lead { font-size: 1.2rem; }
.muted { color: var(--muted); }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: 10px; }

.cards { display: grid; gap: 16px; margin-top: 48px; }
.cards a { display: block; padding: 20px 0; border-top: 1px solid var(--line); text-decoration: none; color: inherit; }
.cards a:hover h3 { text-decoration: underline; }
.cards p { margin: 0; color: var(--muted); }

.entity { padding: 24px 0; border-top: 1px solid var(--line); }
.entity p { margin: 6px 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 12px 0 0; }
dt { color: var(--muted); }
dd { margin: 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted); font-size: .85rem; }
footer p { margin: 0 0 8px; }
footer nav { font-size: inherit; }

@media (max-width: 480px) { dl { grid-template-columns: 1fr; gap: 0; } dd { margin-bottom: 8px; } }