/* Header layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Branding */
.header-brand-wrapper {
  display: flex;
  align-items: center;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.header-logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(197, 157, 95, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.8), 0 0 18px rgba(197, 157, 95, 0.35);
}

.header-logo-mark-inner {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0, #f9f3e3, var(--color-primary));
}

.header-logo-text {
  display: flex;
  flex-direction: column;
}

.header-logo-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.header-logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */
.header-nav {
  display: flex;
}

.header-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-nav-item {
  position: relative;
}

.header-nav-highlight .nav-link-cta {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(197, 157, 95, 0.5);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: radial-gradient(circle at top left, rgba(197, 157, 95, 0.25), transparent 55%),
              linear-gradient(120deg, rgba(3, 4, 8, 0.4), rgba(18, 16, 10, 0.95));
}

.header-nav-highlight .nav-link-cta:hover {
  border-color: var(--color-primary-hover);
  background: radial-gradient(circle at top left, rgba(221, 183, 119, 0.3), transparent 60%),
              linear-gradient(120deg, rgba(10, 8, 4, 0.9), rgba(24, 18, 8, 0.98));
}

/* Mobile toggle */
.header-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  z-index: 50;
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 9, 13, 0.9);
  color: var(--color-text-muted);
  cursor: pointer;
}

.header-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.header-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

.header-toggle-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Overlay for mobile menu */
.header-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.96));
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 30;
}

/* Active states controlled via JS */
.site-header.is-menu-open .header-overlay {
  opacity: 1;
  visibility: visible;
}

.site-header.is-menu-open .header-toggle-line:first-child {
  transform: translateY(3px) rotate(45deg);
}

.site-header.is-menu-open .header-toggle-line:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* Desktop-first styles */
@media (min-width: 769px) {
  .header-nav {
    position: static;
  }
}

/* Mobile / small screens */
@media (max-width: 768px) {
  .header-inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .header-logo-title {
    font-size: 0.8rem;
  }

  .header-logo-subtitle {
    display: none;
  }

  .header-toggle {
    display: inline-flex;
  }

  .site-header.is-menu-open .header-toggle {
    color: var(--color-text);
    background: rgba(7, 9, 13, 0.98);
  }

  .header-nav {
    position: fixed;
    inset: 0 0 auto 0;
    background: linear-gradient(to bottom, rgba(7, 9, 13, 0.98), rgba(7, 9, 13, 0.98));
    transform: translateY(-110%);
    transition: transform var(--transition-base);
    z-index: 35;
  }

  .header-nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

  .header-nav-item .nav-link {
    display: inline-block;
    width: 100%;
  }

  .header-nav-item {
    width: 100%;
  }

  .site-header.is-menu-open .header-nav {
    transform: translateY(0);
  }
}

/* Active link helper (can be toggled via server-side) */
.nav-link.nav-link--active,
.nav-link.nav-link--active::after {
  color: var(--color-primary);
}