:root {
  --navy: #03045e;
  --text: #1a1a1a;
  --muted: #5f5f6d;
  --bg: #fafafa;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
header {
  background: var(--navy);
  color: #fff;
  padding: 20px 24px;
}
header a { color: #fff; text-decoration: none; font-weight: 700; letter-spacing: -0.3px; }
header nav { margin-top: 10px; font-size: 14px; opacity: 0.9; }
header nav a { color: #fff; margin-right: 16px; font-weight: 500; text-decoration: underline; }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 72px;
  background: var(--card);
}
h1 { font-size: 28px; letter-spacing: -0.6px; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 13px; margin-bottom: 24px; }
h2 { font-size: 18px; margin: 28px 0 8px; letter-spacing: -0.3px; }
p { color: #3a3a3a; margin: 0 0 12px; }
footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  color: var(--muted);
  font-size: 13px;
}
footer a { color: var(--navy); }