.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: var(--z-navigation);
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}


.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-svg {
  height: 28px;
  width: auto;
}


.logo-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.logo-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 18px;
  font-size: 0.65rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 3px;
  transition: opacity var(--transition-fast);
}

.badge-version {
  opacity: 0.9;
}

.badge-version:hover {
  opacity: 1;
}

.badge-version img {
  height: 18px;
  display: block;
}

.badge-early-access {
  padding: 2px 6px;
  background: linear-gradient(135deg, var(--orange-700) 0%, var(--orange-800) 100%);
  color: var(--orange-100);
  border: 1px solid var(--orange-600);
  font-family: var(--font-brand);
  font-weight: 400;
}


.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a.nav-link--active {
  color: var(--color-primary);
}


a.cta-button,
button.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  font-family: var(--font-brand);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

a.cta-button:hover,
button.cta-button:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-on-primary);
  transform: translateY(-1px);
}


.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}

.nav-dropdown-trigger:hover {
  color: var(--color-text);
}

.nav-dropdown-trigger.nav-link--active {
  color: var(--color-primary);
}

.dropdown-arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
  stroke: currentColor;
  fill: none;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  padding: var(--space-md);
  margin-top: var(--space-sm);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-section {
  margin-bottom: var(--space-md);
}

.dropdown-section:last-child {
  margin-bottom: 0;
}

.dropdown-section h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  font-family: var(--font-brand);
}

.dropdown-section a,
.nav-dropdown-menu > a {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.dropdown-section a:hover,
.nav-dropdown-menu > a:hover {
  color: var(--color-primary);
}

.nav-dropdown-menu--narrow {
  min-width: 140px;
}

a.dropdown-view-all {
  display: block;
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.85rem;
}


@media (max-width: 480px) {
  .logo-svg {
    height: 24px;
  }
}