/* Header component styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--obsidian);
  border-bottom: 1px solid var(--hairline);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 72px;
  padding-block: var(--space-sm);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--parchment);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--parchment);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--gold);
  border-radius: 1px;
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover .nav-toggle__bar {
  background-color: var(--gold-bright);
}

.nav-toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

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

.site-header__nav-item {
  margin: 0 !important;
  padding: 0 !important;
}

.site-header__nav-item + .site-header__nav-item {
  margin: 0 !important;
}

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-xs) 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.2;
  letter-spacing: var(--tracking-body);
  font-weight: 500;
  color: var(--parchment);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
  position: relative;
}

.site-header__nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-color: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.site-header__nav-link:hover {
  color: var(--gold-bright);
}

.site-header__nav-link:hover::after {
  transform: scaleX(1);
  background-color: var(--gold-bright);
}

.site-header__nav-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--gold);
}

.site-header__nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background-color: var(--gold);
}

/* Mobile navigation */
@media (max-width: 767px) {
  .site-header__inner {
    min-height: 64px;
    padding-block: var(--space-xs);
  }

  .site-header__logo {
    width: 34px;
    height: 34px;
  }

  .site-header__brand-text {
    font-size: 1.125rem;
    letter-spacing: 0.08em;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--obsidian);
    border-bottom: 1px solid var(--hairline);
    padding: var(--space-md) var(--container-padding-mobile);
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    z-index: 999;
  }

  .site-header__nav.is-open {
    display: block;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-header__nav-item {
    width: 100%;
  }

  .site-header__nav-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--hairline);
    font-size: var(--text-body);
    white-space: normal;
  }

  .site-header__nav-link::after {
    display: none;
  }

  .site-header__nav-link:hover {
    color: var(--gold-bright);
    background-color: rgba(201, 162, 39, 0.05);
  }
}

@media (min-width: 768px) {
  .site-header__nav {
    display: flex !important;
  }
}