.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-charcoal-black);
  border-bottom: 1px solid rgba(138, 129, 120, 0.3);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  max-width: var(--container-standard);
  margin-inline: auto;
  padding-inline: var(--page-padding-mobile);
  min-height: 56px;
}

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

.site-header__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--color-warm-white);
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-sandstone);
  flex-shrink: 0;
}

.site-header__toggle-icon {
  position: relative;
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: background-color var(--transition-fast);
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-fast), top var(--transition-fast), bottom var(--transition-fast);
}

.site-header__toggle-icon::before {
  top: -7px;
}

.site-header__toggle-icon::after {
  bottom: -7px;
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-charcoal-black);
  border-bottom: 1px solid rgba(138, 129, 120, 0.3);
  max-height: calc(100vh - 56px);
  overflow-y: auto;
  z-index: 999;
}

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

.site-header__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-header__item {
  margin: 0;
  padding: 0;
}

.site-header__item + .site-header__item {
  margin-top: 0;
}

.site-header__link {
  display: flex;
  justify-content: center;
  padding: var(--space-md) var(--page-padding-mobile);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-sandstone);
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  border-bottom: 1px solid rgba(138, 129, 120, 0.2);
}

.site-header__link:hover,
.site-header__link:focus-visible {
  color: var(--color-warm-copper);
  background-color: rgba(138, 129, 120, 0.1);
}

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

@media (min-width: 768px) {
  .site-header__inner {
    min-height: 64px;
    padding-inline: var(--page-padding-tablet);
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    font-size: 1rem;
  }

  .site-header__nav {
    max-height: calc(100vh - 64px);
  }
}

@media (min-width: 1024px) {
  .site-header__inner {
    padding-inline: var(--page-padding-desktop);
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    display: block;
    position: static;
    max-height: none;
    overflow-y: visible;
    border-bottom: none;
    background-color: transparent;
  }

  .site-header__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
  }

  .site-header__item + .site-header__item {
    margin-top: 0;
  }

  .site-header__link {
    padding: var(--space-sm) 0;
    border-bottom: 2px solid transparent;
    position: relative;
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }

  .site-header__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-burnt-clay);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
  }

  .site-header__link:hover,
  .site-header__link:focus-visible {
    color: var(--color-warm-copper);
    background-color: transparent;
  }

  .site-header__link:hover::after,
  .site-header__link:focus-visible::after {
    transform: scaleX(1);
  }

  .site-header__link:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-offset);
  }
}