/* Header-specific styles building on base.css */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(6, 12, 10, 0.96), rgba(6, 12, 10, 0.9), rgba(6, 12, 10, 0.65), transparent 100%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.24);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.brand-logo-initials {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-gold);
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  position: relative;
  padding-block: 0.2rem;
  color: var(--color-text-soft);
}

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

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-neutral-50);
}

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

.nav-link[aria-current="page"] {
  color: var(--color-neutral-50);
}

.nav-cta .header-cta {
  white-space: nowrap;
}

/* Mobile navigation toggle */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  background: radial-gradient(circle at 30% 0, rgba(212, 175, 55, 0.22), rgba(3, 8, 6, 0.95));
  padding: 0;
}

.nav-toggle-bar {
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background: var(--color-neutral-50);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Mobile state */
@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-primary {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-inline: var(--space-4);
    padding-bottom: var(--space-6);
    padding-top: var(--space-3);
    background: radial-gradient(circle at top, #101917 0, #050708 85%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.18);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .nav-primary.is-open {
    display: flex;
  }

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

  .nav-cta {
    width: 100%;
  }

  .nav-cta .header-cta {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle-bar {
    transition: none;
  }
}