.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-dark-line);
  background: var(--color-cedar-ink);
  box-shadow: var(--shadow-dark-inset);
  color: var(--color-cream-raised);
}

.site-header__inner {
  display: flex;
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  min-height: 4.75rem;
  margin-inline: auto;
  align-items: center;
  gap: var(--space-5);
}

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

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

.site-header__brand-text {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.03em;
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  margin-left: auto;
  padding: 0.6875rem;
  border: 1px solid var(--color-dark-line-strong);
  background: transparent;
  color: var(--color-cream-raised);
}

.site-header__toggle-line {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle-line + .site-header__toggle-line {
  margin-top: 0.3125rem;
}

.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 {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-5);
}

.site-header__nav-list,
.site-header__nav-list li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 1.125rem;
}

.site-header__nav-list li + li {
  margin: 0;
}

.site-header__nav-link,
.site-header__contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--color-cream-canvas);
  font-size: 0.6875rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-header__nav-link:hover,
.site-header__nav-link[aria-current="page"] {
  border-color: var(--color-burgundy-accent);
  color: var(--color-cream-raised);
}

.site-header__contact {
  padding-inline: var(--space-3);
  border: 1px solid var(--color-dark-line-strong);
  color: var(--color-cream-raised);
}

.site-header__contact:hover {
  border-color: var(--color-burgundy-accent);
  color: var(--color-cream-raised);
}

.site-header__nav-mobile-only {
  display: none;
}

@media (max-width: 67.99rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__toggle {
    display: block;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 4.25rem);
    padding: var(--space-4) var(--gutter) var(--space-5);
    overflow-y: auto;
    border-bottom: 1px solid var(--color-dark-line);
    background: var(--color-cedar-ink);
    box-shadow: var(--shadow-dark-inset);
  }

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

  .site-header__nav-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--color-dark-line);
  }

  .site-header__nav-list li {
    border-bottom: 1px solid var(--color-dark-line);
  }

  .site-header__nav-link,
  .site-header__contact {
    width: 100%;
    min-height: 3rem;
    justify-content: space-between;
    border: 0;
  }

  .site-header__nav-link::after {
    content: "→";
    color: var(--color-cedar-mid);
    font-size: 1rem;
    transition: transform var(--transition-fast), color var(--transition-fast);
  }

  .site-header__nav-link:hover::after {
    color: var(--color-burgundy-accent);
    transform: translateX(3px);
  }

  .site-header__contact {
    margin-top: var(--space-4);
    padding-inline: var(--space-3);
    border: 1px solid var(--color-dark-line-strong);
    justify-content: center;
  }

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

@media (max-width: 47.99rem) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__mark {
    width: 1.875rem;
    height: 1.875rem;
    flex-basis: 1.875rem;
  }

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