/* Navigation bar styling (lightweight, theme-friendly) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #0c1f34; /* deep navy that works with Cayman */
  color: #e8eef6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.site-brand {
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.site-tagline {
  color: #9fc1dc;
  font-size: 0.9rem;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: #e8eef6;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

@media (max-width: 640px) {
  .nav-container { flex-wrap: wrap; gap: 8px; }
  .site-nav { width: 100%; }
  .site-nav ul { justify-content: flex-start; flex-wrap: wrap; }
}