.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  border-block-end: 1px solid var(--color-border-dark);
  background: rgba(12, 10, 13, 0.97);
}

.site-header__inner {
  display: flex;
  width: min(calc(100% - (var(--gutter) * 2)), var(--container-max));
  min-height: 5.25rem;
  align-items: center;
  gap: var(--space-5);
  margin-inline: auto;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-ivory);
  text-decoration: none;
}

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

.site-header__mark {
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  object-fit: contain;
}

.site-header__brand-name,
.site-header__mobile-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__navigation {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.45vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none !important;
}

.site-header__nav-list li,
.site-header__nav-list li + li {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  color: var(--color-ivory);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  color: var(--color-cognac);
  text-decoration: underline;
  text-decoration-color: currentColor;
}

.site-header__nav-cta {
  flex: 0 0 auto;
  min-height: 2.75rem;
  padding-inline: 1rem;
  font-size: 0.75rem;
  white-space: nowrap;
}

.site-header__toggle,
.site-header__mobile-brand,
.site-header__nav-mobile-only {
  display: none;
}

@media (max-width: 70rem) {
  .site-header__inner {
    min-height: 4.75rem;
    justify-content: space-between;
  }

  .site-header__mark {
    width: 2.5rem;
    height: 2.5rem;
    flex-basis: 2.5rem;
  }

  .site-header__brand-name {
    font-size: 1.0625rem;
  }

  .site-header__toggle {
    display: inline-flex;
    width: 3rem;
    height: 3rem;
    flex: 0 0 3rem;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ivory);
  }

  .site-header__toggle-line {
    display: block;
    width: 1.25rem;
    height: 1px;
    background: currentColor;
    transform-origin: center;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
    transform: translateY(0.4rem) rotate(45deg);
  }

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

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
    transform: translateY(-0.4rem) rotate(-45deg);
  }

  .site-header__navigation {
    position: fixed;
    inset: 4.75rem 0 0;
    display: none;
    overflow-y: auto;
    border-block-start: 1px solid var(--color-border-dark);
    background: var(--color-plum-shadow);
    box-shadow: var(--shadow-raised);
  }

  .site-header__navigation.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-6);
    padding: var(--space-6) var(--gutter) calc(var(--space-6) + env(safe-area-inset-bottom));
  }

  .site-header__mobile-brand {
    display: block;
    margin: 0;
    color: var(--color-champagne-paper);
    font-size: 1.5rem;
  }

  .site-header__nav-list {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-block: 1px solid var(--color-border-dark);
  }

  .site-header__nav-list li,
  .site-header__nav-list li + li {
    width: 100%;
    border-block-end: 1px solid var(--color-border-dark);
  }

  .site-header__nav-list li:last-child {
    border-block-end: 0;
  }

  .site-header__nav-list a {
    width: 100%;
    min-height: 3.5rem;
    font-size: var(--text-label);
    letter-spacing: 0;
  }

  .site-header__nav-mobile-only {
    display: flex;
  }

  .site-header__nav-cta {
    width: 100%;
    min-height: 3rem;
  }
}

@media (max-width: 24rem) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__brand-name {
    display: none;
  }
}