.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-warm-ivory);
  color: var(--color-espresso);
}

.site-header__inner {
  display: flex;
  min-height: 5rem;
  align-items: center;
  gap: clamp(var(--space-4), 2vw, var(--space-6));
}

.site-header__brand {
  display: inline-flex;
  flex: 0 1 auto;
  min-width: 0;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-burgundy);
  text-decoration: none;
}

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

.site-header__brand-text {
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__nav {
  min-width: 0;
  flex: 1 1 auto;
}

.site-header__primary-list {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 1.25vw, 1.15rem);
  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;
  padding: 0;
}

.site-header__primary-list li::marker {
  content: '';
}

.site-header__primary-list a,
.site-header__contact,
.site-header__mobile-utility a {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-espresso);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-nav);
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__primary-list a::after,
.site-header__contact::after,
.site-header__mobile-utility a::after {
  position: absolute;
  right: 0;
  bottom: 0.48rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--color-brass);
  content: '';
  transition: transform var(--transition-fast);
}

.site-header__primary-list a:hover,
.site-header__contact:hover,
.site-header__mobile-utility a:hover {
  color: var(--color-burgundy);
}

.site-header__primary-list a:hover::after,
.site-header__contact:hover::after,
.site-header__mobile-utility a:hover::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-4);
}

.site-header__cta,
.site-header__mobile-cta {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-brass);
  border-radius: var(--radius-control);
  padding: 0.625rem 1rem;
  color: var(--color-burgundy);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.site-header__cta:hover,
.site-header__mobile-cta:hover {
  background: var(--color-brass-tint);
  color: var(--color-burgundy);
}

.site-header__toggle,
.site-header__mobile-utility,
.site-header__mobile-cta,
.site-header__mobile-only {
  display: none;
}

@media (max-width: 1120px) {
  .site-header__inner {
    min-height: 4.5rem;
    justify-content: space-between;
  }

  .site-header__logo {
    width: 2.25rem;
    height: 2.25rem;
    flex-basis: 2.25rem;
  }

  .site-header__brand-text {
    font-size: 1.125rem;
  }

  .site-header__actions {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
    width: 2.75rem;
    min-height: 2.75rem;
    flex: 0 0 2.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3125rem;
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-control);
    background: transparent;
    color: var(--color-burgundy);
  }

  .site-header__toggle[aria-expanded='true'] {
    border-color: var(--color-brass);
    background: var(--color-brass-tint);
  }

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

  .site-header__toggle[aria-expanded='true'] .site-header__toggle-line:nth-child(1) {
    transform: translateY(0.375rem) 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(-0.375rem) rotate(-45deg);
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 4.5rem);
    overflow-x: hidden;
    overflow-y: auto;
    border-top: 1px solid var(--color-divider);
    border-bottom: 1px solid var(--color-divider);
    background: var(--color-parchment);
    box-shadow: var(--shadow-floating);
  }

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

  .site-header__primary-list {
    display: flex;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) var(--gutter) 0;
    flex-direction: column;
  }

  .site-header__primary-list li,
  .site-header__primary-list li + li {
    display: block;
    border-bottom: var(--border-light);
  }

  .site-header__primary-list a {
    width: 100%;
    min-height: 3rem;
    justify-content: space-between;
    font-size: var(--text-base);
  }

  .site-header__primary-list a::after,
  .site-header__contact::after,
  .site-header__mobile-utility a::after {
    display: none;
  }

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

  .site-header__mobile-utility {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4) var(--gutter) 0;
  }

  .site-header__mobile-utility a {
    min-height: 2.75rem;
  }

  .site-header__mobile-cta {
    display: flex;
    width: calc(100% - (var(--gutter) * 2));
    margin: var(--space-4) var(--gutter) var(--space-5);
  }
}

@media (max-width: 479px) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__brand {
    gap: var(--space-2);
  }

  .site-header__logo {
    width: 2rem;
    height: 2rem;
    flex-basis: 2rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  .site-header__primary-list a::after,
  .site-header__contact::after,
  .site-header__mobile-utility a::after,
  .site-header__toggle-line,
  .site-header__cta,
  .site-header__mobile-cta {
    transition: none;
  }
}