.site-header {
  position: sticky;
  z-index: 90;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-line-dark);
  background: color-mix(in srgb, var(--color-midnight-blue) 96%, transparent);
  color: var(--color-warm-ivory);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
}

@supports (backdrop-filter: blur(8px)) {
  .site-header {
    background: color-mix(in srgb, var(--color-midnight-blue) 88%, transparent);
    backdrop-filter: blur(12px);
  }
}

.site-header__inner {
  position: relative;
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-warm-ivory);
  text-decoration: none;
}

.site-header__brand:hover {
  color: var(--color-warm-ivory);
}

.site-header__logo {
  width: 2.625rem;
  height: 2.625rem;
  flex: 0 0 2.625rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.0625rem;
}

.site-header__brand-name {
  overflow: hidden;
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 0.94;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__brand-label {
  color: var(--color-ivory-muted);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  width: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-left: auto;
  padding: 0.625rem;
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-warm-ivory);
  flex-direction: column;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.site-header__toggle:hover {
  border-color: var(--color-champagne-gold);
  background: color-mix(in srgb, var(--color-champagne-gold) 12%, transparent);
}

.site-header__toggle-line {
  display: block;
  width: 1.125rem;
  height: 1px;
  background: currentColor;
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .site-header__toggle-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.site-header__nav {
  position: absolute;
  top: calc(100% + 1px);
  right: 0;
  left: 0;
  visibility: hidden;
  overflow-x: hidden;
  overflow-y: auto;
  max-height: calc(100vh - 4.75rem);
  border-bottom: 1px solid var(--color-line-dark);
  background: var(--color-midnight-blue);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility 0s linear var(--transition-base);
}

.site-header.is-menu-open .site-header__nav {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.site-header__nav-inner {
  display: grid;
  gap: var(--space-5);
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  margin-inline: auto;
  padding-block: var(--space-5) var(--space-6);
}

.site-header__primary-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__primary-list li,
.site-header__primary-list li + li {
  display: flex;
  min-width: 0;
  margin: 0;
  border-bottom: 1px solid var(--color-line-dark);
}

.site-header__primary-list a,
.site-header__contact-link {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-warm-ivory);
  font-size: var(--text-nav);
  font-weight: 600;
  letter-spacing: var(--tracking-nav);
  line-height: var(--leading-label);
  text-decoration: none;
  text-transform: uppercase;
}

.site-header__primary-list a {
  width: 100%;
  padding-block: 0.75rem;
}

.site-header__primary-list a::after,
.site-header__contact-link::after {
  position: absolute;
  right: 0;
  bottom: 0.45rem;
  left: 0;
  height: 2px;
  background: var(--color-champagne-gold);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.site-header__primary-list a:hover,
.site-header__contact-link:hover {
  color: var(--color-champagne-gold);
}

.site-header__primary-list a:hover::after,
.site-header__contact-link:hover::after,
.site-header__primary-list a[aria-current="page"]::after,
.site-header__contact-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__primary-list a[aria-current="page"]::before,
.site-header__contact-link[aria-current="page"]::before {
  width: 0.375rem;
  height: 0.375rem;
  margin-right: var(--space-2);
  border: 1px solid var(--color-champagne-gold);
  background: var(--color-burgundy);
  content: "";
  transform: rotate(45deg);
}

.site-header__mobile-actions {
  display: grid;
  gap: var(--space-3);
}

.site-header__mobile-actions .button {
  width: 100%;
}

.site-header__desktop-actions {
  display: none;
}

.site-header__mobile-only {
  display: flex;
}

.site-header :focus-visible {
  outline: 2px solid var(--color-champagne-gold);
  outline-offset: 3px;
}

@media (max-width: 22rem) {
  .site-header__brand-label {
    display: none;
  }
}

@media (min-width: 68rem) {
  .site-header__inner {
    min-height: 5rem;
    gap: var(--space-4);
  }

  .site-header__logo {
    width: 2.625rem;
    height: 2.625rem;
    flex-basis: 2.625rem;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    display: block;
    min-width: 0;
    max-height: none;
    margin-left: auto;
    overflow: visible;
    border: 0;
    background: transparent;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    visibility: visible;
    transition: none;
  }

  .site-header__nav-inner {
    display: block;
    width: auto;
    margin: 0;
    padding: 0;
  }

  .site-header__primary-list {
    display: flex;
    align-items: center;
    gap: clamp(0.7rem, 1.25vw, 1.25rem);
  }

  .site-header__primary-list li,
  .site-header__primary-list li + li {
    display: flex;
    align-items: center;
    border: 0;
  }

  .site-header__primary-list a,
  .site-header__contact-link {
    min-height: 2.75rem;
    align-items: center;
    white-space: nowrap;
  }

  .site-header__primary-list a {
    width: auto;
    padding: 0;
  }

  .site-header__primary-list a::after,
  .site-header__contact-link::after {
    bottom: 0.2rem;
  }

  .site-header__mobile-actions,
  .site-header__mobile-only {
    display: none;
  }

  .site-header__desktop-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: var(--space-2);
  }

  .site-header__contact-link {
    padding-inline: 0.125rem;
  }

  .site-header__desktop-actions .button {
    min-height: 2.75rem;
    padding-inline: 0.875rem;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__nav,
  .site-header__toggle-line {
    transition: none;
  }
}