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

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

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

.site-header__logo {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 13px;
  line-height: 1.1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-obsidian-black);
  white-space: nowrap;
}

.site-header__nav-toggle {
  display: none;
  flex-direction: column !important;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-soft-champagne);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: border-color var(--transition-color), background-color var(--transition-color);
}

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

.site-header__nav-toggle:hover {
  border-color: var(--color-brushed-gold);
}

.site-header__nav-toggle[aria-expanded="true"] {
  border-color: var(--color-brushed-gold);
  background-color: var(--color-alabaster-pearl);
}

.site-header__nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-obsidian-black);
  border-radius: 1px;
  transition: background-color var(--transition-color), transform var(--transition-transform);
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

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

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

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: var(--space-xs) 0;
  font-size: var(--text-nav);
  font-weight: 600;
  line-height: var(--leading-nav);
  letter-spacing: var(--tracking-nav);
  text-transform: uppercase;
  color: var(--color-obsidian-black);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-color);
  position: relative;
}

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

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

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

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

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

@media (max-width: 991px) {
  .site-header__inner {
    min-height: 64px;
  }

  .site-header__logo {
    width: 32px;
    height: 32px;
  }

  .site-header__brand-text {
    font-size: 11px;
    letter-spacing: 0.16em;
  }

  .site-header__nav-toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-ivory-linen);
    border-bottom: 1px solid var(--color-soft-champagne);
    box-shadow: var(--shadow-elevated);
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    padding: var(--space-md) var(--container-pad-mobile);
    z-index: 1001;
  }

  .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;
    width: 100%;
    min-height: 48px;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-soft-champagne);
  }

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

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

@media (min-width: 992px) {
  .site-header__nav-toggle {
    display: none;
  }

  .site-header__nav {
    display: flex;
  }
}