:root {
  color-scheme: light;
  --ink: #132238;
  --muted: #526173;
  --paper: #ffffff;
  --ground: #edf1f4;
  --army: #314a37;
  --gold: #c7a253;
  --line: #d5dce2;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); line-height: 1.55; }
header { background: var(--army); color: white; border-bottom: 5px solid var(--gold); }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px; }
header .wrap { display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; letter-spacing: .02em; }
nav a { color: white; margin-left: 18px; }
main { background: var(--paper); margin: 32px auto; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 4px 18px rgba(19,34,56,.08); }
h1 { line-height: 1.15; margin-top: 0; }
h2 { margin-top: 2rem; color: var(--army); }
.eyebrow { color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.notice { border-left: 4px solid var(--gold); background: #faf7ef; padding: 14px 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin: 24px 0; }
.card { border: 1px solid var(--line); border-radius: 6px; padding: 18px; }
a { color: #185abc; }
footer { color: var(--muted); font-size: .92rem; padding-bottom: 36px; }
code { overflow-wrap: anywhere; }
@media (max-width: 640px) { header .wrap { display: block; } nav a { margin: 0 16px 0 0; } }