:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #666;
  --color-accent: #0a3d62;
  --color-border: #e5e5e5;
  --color-soft: #f7f7f7;
  --max-width: 880px;
  --font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

header.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}

header.site-header .container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav.main-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

nav.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 15px;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--color-accent);
}

main {
  padding: 56px 0 80px;
}

h1 {
  font-size: 32px;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 17px;
  margin: 24px 0 8px;
}

p {
  margin: 0 0 16px;
}

a {
  color: var(--color-accent);
}

.lead {
  font-size: 19px;
  color: var(--color-muted);
  margin-bottom: 32px;
}

.info-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 8px 24px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin: 16px 0 24px;
}

.info-grid dt {
  color: var(--color-muted);
  font-size: 15px;
}

.info-grid dd {
  margin: 0;
  font-size: 15px;
}

ul.docs {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}

ul.docs li {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

ul.docs li:first-child {
  border-top: 1px solid var(--color-border);
}

ul.docs a {
  font-weight: 500;
  text-decoration: none;
}

ul.docs a:hover {
  text-decoration: underline;
}

ul.docs .doc-meta {
  display: block;
  color: var(--color-muted);
  font-size: 14px;
  margin-top: 2px;
}

.event {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  margin-top: 32px;
}

.event:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.event-meta {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 500;
  margin: 8px 0 16px;
  transition: background 0.15s ease;
}

.btn:hover {
  background: #082d49;
}

footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  color: var(--color-muted);
  font-size: 14px;
}

footer.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

@media (max-width: 600px) {
  header.site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
  nav.main-nav {
    gap: 16px;
  }
  h1 { font-size: 26px; }
  .info-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .info-grid dd {
    margin-bottom: 8px;
  }
}