/* Header layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(20, 20, 20, 0.96), rgba(20, 20, 20, 0.85));
  border-bottom: 1px solid rgba(198, 161, 90, 0.22);
}

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

/* Branding */
.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-light);
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0%, #ffffff40, #6D1F2A);
  color: var(--color-text-light);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.3rem;
  box-shadow: var(--shadow-subtle);
}

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

.site-header__logo-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 241, 234, 0.72);
}

/* Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(244, 241, 234, 0.86);
  padding-block: 0.35rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-heading-wine), var(--color-accent-emerald));
  transition: width var(--transition-normal);
}

.site-header__nav-link:focus-visible::after,
.site-header__nav-link:hover::after {
  width: 100%;
}

.site-header__nav-link--cta {
  padding-block: 0.55rem;
  padding-inline: 1.6rem;
}

.site-header__nav-item--cta {
  margin-left: var(--space-2);
}

/* Mobile nav toggle */
.site-header__nav-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(198, 161, 90, 0.45);
  align-items: center;
  justify-content: center;
  background: rgba(20, 20, 20, 0.8);
  color: var(--color-text-light);
}

.site-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text-light);
  display: block;
  transition: transform var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

.site-header__nav-toggle-bar + .site-header__nav-toggle-bar {
  margin-top: 4px;
}

.site-header__nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Toggle open state */
.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .site-header__nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top, rgba(198, 161, 90, 0.12), transparent 55%), rgba(20, 20, 20, 0.98);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

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

  .site-header__nav-link {
    font-size: 0.9rem;
  }

  .site-header__nav--open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

@media (max-width: 480px) {
  .site-header__logo-subtitle {
    display: none;
  }
}