.site-header {
  font-family: var(--font-sans);
}

.site-brand-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-brand-text {
  display: flex;
  flex-direction: column;
}

.site-tagline {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-nav-list a {
  position: relative;
}

.site-nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-purple));
  transition: width var(--transition-base);
}

.site-nav-list a:hover::after,
.site-nav-list a[aria-current="page"]::after {
  width: 100%;
}

.site-nav-mobile {
  background: radial-gradient(circle at top, rgba(15,23,42,0.96), rgba(2,6,23,0.98));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-nav-mobile-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
}

.site-nav-mobile-list a {
  display: block;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.site-nav-mobile-list a:hover,
.site-nav-mobile-list a[aria-current="page"] {
  color: var(--color-primary-soft);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-toggle-line {
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (min-width: 961px) {
  .site-nav-mobile {
    display: none;
  }
}

@media (max-width: 960px) {
  .site-header-inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .site-brand-wrapper {
    flex: 1;
  }
}

.badge-age {
  flex-shrink: 0;
}