/* Critical above-the-fold base styles loaded synchronously. */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  background: #0f172a;
  color: #e5e7eb;
}

.site-header {
  background: #ffffff;
  color: #000000;
  border-bottom: 1px solid #d1d5db;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.site-header-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.9rem 1.4rem;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  color: #000000;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.site-header nav a,
.site-header .btn-link {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #000000;
  text-decoration: none;
  line-height: 1;
}

h1, h2 {
  margin: 0 0 0.5rem 0;
}