.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  border-bottom: 1px solid var(--color-line-dark);
  background: rgba(23, 22, 20, 0.97);
  color: var(--color-cream);
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: 4.875rem;
  gap: 1.25rem;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 0.6875rem;
  color: var(--color-cream);
  text-decoration: none;
}

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

.site-header__brand-name {
  min-width: 0;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  letter-spacing: -0.025em;
  line-height: 1;
  white-space: nowrap;
}

.site-header__navigation {
  min-width: 0;
  margin-left: auto;
}

.site-header__nav-inner {
  display: flex;
  align-items: center;
}

.site-header__links {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 1.5vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-smoke);
  font-size: var(--text-nav);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--transition-base);
}

.site-header__links a:hover,
.site-header__links a[aria-current="page"] {
  color: var(--color-brass);
}

.site-header__action,
.site-header__mobile-action {
  flex: 0 0 auto;
  white-space: nowrap;
}

.site-header__action {
  margin-left: 0.25rem;
}

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

.site-header__toggle {
  position: relative;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  padding: 0;
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-control);
  color: var(--color-cream);
}

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

.site-header__toggle-line:nth-child(1) {
  transform: translateY(-0.375rem);
}

.site-header__toggle-line:nth-child(3) {
  transform: translateY(0.375rem);
}

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

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

@media (max-width: 74.9375rem) {
  .site-header__inner {
    min-height: 4.375rem;
  }

  .site-header__logo {
    width: 2.125rem;
    height: 2.125rem;
    flex-basis: 2.125rem;
  }

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

  .site-header__action {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-header__navigation {
    position: fixed;
    top: 4.4375rem;
    right: 0;
    bottom: 0;
    left: auto;
    display: block;
    width: min(28rem, 100%);
    max-width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    visibility: hidden;
    border-left: 1px solid var(--color-line-dark);
    background: var(--color-espresso);
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__navigation.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .site-header__nav-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    min-height: 100%;
    padding: 2rem max(var(--gutter), 1.5rem);
  }

  .site-header__links {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-line-dark);
  }

  .site-header__links li,
  .site-header__links li + li {
    display: block;
    border-bottom: 1px solid var(--color-line-dark);
  }

  .site-header__links a {
    justify-content: space-between;
    width: 100%;
    min-height: 3.25rem;
    padding-block: 0.5rem;
    color: var(--color-parchment);
    font-size: 0.875rem;
  }

  .site-header__mobile-only,
  .site-header__mobile-action {
    display: inline-flex;
  }

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

  .site-header__mobile-action {
    justify-content: center;
  }

  .site-navigation-open {
    overflow: hidden;
  }
}

@media (max-width: 29.9375rem) {
  .site-header__inner {
    gap: 0.75rem;
    min-height: 4rem;
  }

  .site-header__logo {
    width: 2.125rem;
    height: 2.125rem;
    flex-basis: 2.125rem;
  }

  .site-header__brand-name {
    font-size: 0.9375rem;
  }

  .site-header__navigation {
    top: 4.0625rem;
    width: 100%;
    border-left: 0;
  }
}