:root {
  --navy: #1a2a44;
  --orange: #ff8c00;
  --bg: #f6f8fb;
  --card: #ffffff;
  --muted: #5c6b7a;
  --border: #e3e8ef;
  --max: 820px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--navy);
  background: var(--bg);
}

a {
  color: var(--orange);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  background: var(--navy);
  color: #fff;
  padding: 1.25rem 1.5rem;
}

.site-header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand span {
  color: var(--orange);
}

.nav a {
  color: rgba(255, 255, 255, 0.88);
  margin-left: 1rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover {
  color: #fff;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  box-shadow: 0 4px 24px rgba(26, 42, 68, 0.06);
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
  color: var(--navy);
  border-bottom: 2px solid rgba(255, 140, 0, 0.25);
  padding-bottom: 0.35rem;
}

h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

ul,
ol {
  padding-left: 1.35rem;
}

li {
  margin-bottom: 0.35rem;
}

.callout {
  background: rgba(255, 140, 0, 0.08);
  border: 1px solid rgba(255, 140, 0, 0.25);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}

.callout strong {
  display: block;
  margin-bottom: 0.35rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0;
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f0f4f8;
}

.contact-block {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.contact-block h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.social-links a {
  font-weight: 600;
}

.footer-contact {
  margin-bottom: 0.35rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 600px) {
  .card {
    padding: 1.35rem 1.1rem;
  }

  h1 {
    font-size: 1.55rem;
  }

  .nav a {
    margin-left: 0.75rem;
  }
}