.site-header {
  background-color: var(--color-charcoal);
  color: var(--color-ivory-text);
  border-bottom: 1px solid var(--color-brass-soft);
  position: relative;
  z-index: 1000;
}

.site-header__inner {
  max-width: var(--container-primary-max);
  margin-inline: auto;
  padding-inline: var(--container-primary-padding-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-sm);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  text-decoration: none;
  color: var(--color-ivory-text);
  flex-shrink: 0;
}

.site-header__brand:hover {
  color: var(--color-ivory-text);
  text-decoration: none;
}

.site-header__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}

.site-header__wordmark {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-brass-soft);
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--color-ivory-text);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.site-header__toggle:hover {
  border-color: var(--color-brass);
  background-color: rgba(176, 141, 87, 0.1);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.site-header__toggle-icon::before {
  top: -6px;
}

.site-header__toggle-icon::after {
  top: 6px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
  background-color: transparent;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

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

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

.site-header__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.site-header__nav-item {
  margin: 0;
}

.site-header__nav-link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--text-label-size);
  font-weight: var(--text-label-weight);
  text-transform: var(--text-label-transform);
  letter-spacing: var(--text-label-tracking);
  line-height: var(--text-label-leading);
  color: var(--color-ivory-text-muted);
  text-decoration: none;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-header__nav-link:hover {
  color: var(--color-ivory-text);
  background-color: rgba(176, 141, 87, 0.1);
  text-decoration: none;
}

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

.site-header__nav-link[aria-current="page"] {
  color: var(--color-ivory-text);
  border-bottom: 2px solid var(--color-brass);
}

@media (min-width: 768px) {
  .site-header__inner {
    padding-inline: var(--container-primary-padding-desktop);
  }

  .site-header__logo {
    width: 44px;
    height: 44px;
  }

  .site-header__wordmark {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    display: block;
    position: static;
    background: transparent;
    border-bottom: none;
    max-height: none;
    overflow: visible;
    padding: 0;
    margin-left: auto;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
  }

  .site-header__nav-link {
    padding: var(--space-2xs) var(--space-xs);
    color: var(--color-ivory-text-muted);
    border-radius: 0;
  }

  .site-header__nav-link:hover {
    background-color: transparent;
    color: var(--color-ivory-text);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--color-brass);
  }

  .site-header__nav-link[aria-current="page"] {
    color: var(--color-ivory-text);
    border-bottom: 2px solid var(--color-brass);
  }
}