.site-header {
  position: relative;
  z-index: 100;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-cream);
}

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

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

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

.site-header__logo {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 2.25rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  line-height: 1;
}

.site-header__brand-name {
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__brand-descriptor {
  margin-top: 0.2rem;
  color: var(--color-muted);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.site-header__toggle {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  place-content: center;
  gap: 0.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-default);
  background: var(--color-cream);
}

.site-header__toggle span {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-ink);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(0.3125rem) rotate(45deg);
}

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

.site-header__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-0.3125rem) rotate(-45deg);
}

.site-header__nav {
  position: absolute;
  top: calc(100% + 1px);
  right: 0;
  left: 0;
  display: none;
  max-height: calc(100vh - 4.75rem);
  overflow-y: auto;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-cream);
  box-shadow: var(--shadow-floating);
}

.site-header__nav.is-open {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4) var(--container-padding) var(--space-5);
}

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

.site-header__links li,
.site-header__links li + li {
  margin: 0;
  padding: 0;
}

.site-header__links a {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  font-size: var(--text-nav);
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
}

.site-header__links a:hover {
  color: var(--color-cognac);
}

.site-header__contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-cognac);
  border-radius: var(--radius-default);
  background: var(--color-cognac);
  color: var(--color-cream);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}

.site-header__contact:hover {
  background: var(--color-cognac-hover);
  color: var(--color-cream);
}

@media (min-width: 70rem) {
  .site-header__inner {
    min-height: 5.25rem;
    gap: var(--space-5);
  }

  .site-header__logo {
    width: 2.875rem;
    height: 2.875rem;
    flex-basis: 2.875rem;
  }

  .site-header__brand-name {
    font-size: 1.5rem;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    display: flex;
    min-width: 0;
    max-height: none;
    align-items: center;
    gap: var(--space-4);
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .site-header__links {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: clamp(0.75rem, 1.35vw, 1.5rem);
  }

  .site-header__links a {
    min-height: 2.75rem;
    align-items: center;
    border: 0;
    white-space: nowrap;
  }

  .site-header__contact {
    flex: 0 0 auto;
    white-space: nowrap;
  }
}

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