.site-header {
  background: var(--color-dark-5);
  border-bottom: 1px solid rgba(13, 13, 13, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar {
  align-items: center;
  display: flex;
  gap: var(--space-5);
  min-height: var(--header-height);
}

.brand {
  align-items: center;
  display: inline-flex;
  flex-shrink: 0;
  gap: var(--space-2);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

.brand-mark {
  color: var(--color-vivid-blue-200);
  height: 1.75rem;
  width: 1.75rem;
}

.brand-word {
  transform: translateY(1px);
}

.primary-nav {
  align-items: center;
  display: flex;
  gap: var(--space-5);
  margin-left: var(--space-6);
}

.primary-nav a,
.language-switch a {
  color: var(--color-dark-400);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.85;
  transition: color 160ms ease, opacity 160ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.language-switch a:hover,
.language-switch a:focus-visible {
  color: var(--color-vivid-blue-200);
  opacity: 1;
}

.nav-actions {
  align-items: center;
  display: flex;
  gap: var(--space-4);
  margin-left: auto;
}

.language-switch {
  align-items: center;
  display: flex;
  gap: var(--space-2);
}

.language-switch span {
  color: var(--color-dark-150);
  font-size: 0.75rem;
}

.language-switch .active {
  color: var(--color-vivid-blue-200);
  opacity: 1;
}

.menu-toggle {
  align-items: center;
  background: transparent;
  border-radius: var(--radius-button);
  color: var(--color-dark-400);
  cursor: pointer;
  display: none;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}

.menu-toggle svg {
  height: 1.25rem;
  width: 1.25rem;
}