:root {
  --navy: #0f2942;
  --blue: #1a5f9e;
  --light-blue: #eaf3fb;
  --text: #24313f;
  --muted: #5c6b78;
  --border: #dde6ee;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #f7fafc;
  line-height: 1.6;
}

header.site-header {
  background: var(--navy);
  color: #fff;
  padding: 18px 24px;
}

header.site-header .brand {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

header.site-header .brand h1 {
  font-size: 20px;
  margin: 0;
}

header.site-header nav a {
  color: #cfe3f5;
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}

header.site-header nav a:hover { color: #fff; }

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  background: #fff;
}

main h2 {
  color: var(--navy);
  font-size: 26px;
  margin-top: 0;
  border-bottom: 3px solid var(--light-blue);
  padding-bottom: 12px;
}

main h3 {
  color: var(--blue);
  font-size: 18px;
  margin-top: 32px;
}

main p, main li {
  color: var(--text);
  font-size: 15px;
}

.updated {
  color: var(--muted);
  font-size: 13px;
  margin-top: -8px;
  margin-bottom: 24px;
}

.callout {
  background: var(--light-blue);
  border-left: 4px solid var(--blue);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

@media (max-width: 560px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  background: #fbfdfe;
}

.contact-card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-card .value {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
}

.contact-card a { color: var(--blue); text-decoration: none; }

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 12px;
  background: #fbfdfe;
}

details summary {
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
}

details p { margin-bottom: 0; margin-top: 10px; }

footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 13px;
}