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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(214, 206, 195, 0.7);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.site-header__logo-link {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-heading);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header__link {
  padding: 0.35rem 0;
  position: relative;
}

.site-header__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 1px;
  background: var(--color-decorative);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.site-header__link:hover::after,
.site-header__link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Mobile toggle */

.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.site-header__menu-toggle:hover {
  border-color: var(--color-decorative);
}

.site-header__menu-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.site-header__menu-toggle-icon .bar {
  width: 16px;
  height: 1.5px;
  background-color: var(--color-heading);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__menu-toggle-label {
  font-size: var(--font-size-xs);
}

/* Mobile panel */

.site-header__mobile-panel {
  background-color: rgba(250, 247, 242, 0.98);
  border-top: 1px solid var(--color-border-subtle);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.site-header__mobile-nav {
  display: flex;
  flex-direction: column;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  gap: 0.25rem;
}

.site-header__mobile-link {
  padding: 0.5rem 0;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(214, 206, 195, 0.6);
}

.site-header__mobile-link:last-child {
  border-bottom: none;
}

/* State when mobile menu is open */

.site-header__mobile-panel.is-open {
  animation: headerFadeDown var(--transition-slow) ease-out;
}

.site-header__menu-toggle[aria-expanded="true"] .bar:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] .bar:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

@keyframes headerFadeDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Layout adjustments */

@media (max-width: 960px) {
  .site-header__inner {
    flex-wrap: wrap;
    row-gap: var(--space-8);
  }

  .site-header__nav--primary {
    order: 2;
    width: 100%;
    justify-content: flex-start;
    gap: var(--space-8);
    font-size: var(--font-size-xs);
  }

  .site-header__nav--secondary {
    order: 3;
    gap: var(--space-8);
  }

  .site-header__logo {
    flex-basis: 100%;
    text-align: center;
    order: 1;
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .site-header__nav--primary {
    display: none;
  }

  .site-header__nav--secondary {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__mobile-panel {
    animation: none !important;
  }
}