/* Header (PLEldenRing) */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  background: linear-gradient(180deg, rgba(10,10,15,0.92) 0%, rgba(10,10,15,0.86) 100%);
  backdrop-filter: blur(var(--blur-base));
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-4);
}

/* Branding */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--gray-100);
}
.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.brand-text {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  color: var(--color-gold);
}

/* Navigation */
.primary-nav {
  /* Desktop default: visible */
}
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-3), 2.5vw, var(--space-6));
}
.nav-item a {
  display: inline-block;
  padding: var(--space-2) var(--space-1);
  font-weight: var(--font-weight-medium);
  color: var(--gray-100);
  position: relative;
}
.nav-item a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-emerald));
  transition: width var(--transition-base);
}
.nav-item a:hover::after,
.nav-item a:focus-visible::after {
  width: 100%;
}

/* Menu toggle (mobile) */
.menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--gray-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background-color: var(--color-background-elevated);
}
.menu-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
}
.menu-icon .bar {
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.menu-label {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  color: var(--color-text);
}

/* Mobile layout */
@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(var(--header-height) - 2px);
    background: linear-gradient(180deg, rgba(26,26,36,0.98) 0%, rgba(10,10,15,0.98) 100%);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--transition-slower), opacity var(--transition-base), visibility var(--transition-base);
  }
  .primary-nav.is-open {
    max-height: 70vh;
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-item a {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-subtle);
  }
  body.no-scroll { overflow: hidden; }
}

/* Toggle animation when expanded */
.menu-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }