*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: #1f2937;
  background: #f8fafc;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: #0369a1; }

.site-header {
  background: #0a1232;
  padding: 16px;
}
.site-header .inner,
.site-footer .inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.brand {
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
}
.brand span { color: #fbbf24; }
.back {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  text-decoration: none;
}
.back:hover { color: #fff; }

main {
  flex: 1;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}
.card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 32px 24px;
}
@media (min-width: 640px) {
  .card { padding: 48px; }
}

h1 {
  color: #0a1232;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 4px;
}
.updated {
  color: #6b7280;
  font-size: 14px;
  margin: 0 0 32px;
}
h2 {
  color: #0f1b4d;
  font-size: 19px;
  font-weight: 700;
  margin: 32px 0 8px;
}
p, li { font-size: 15px; }
p { margin: 0 0 14px; }
ul { padding-left: 22px; margin: 0 0 14px; }

.contact {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #e5e7eb;
  font-size: 14px;
  color: #4b5563;
}

.site-footer {
  background: #0a1232;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  padding: 24px 16px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.site-footer nav a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 12px;
}
.site-footer nav a:hover { color: rgba(255, 255, 255, 0.8); }