.site-header {
  position: relative;
  z-index: 100;
  border-block-end: 1px solid var(--color-border-dark);
  background: var(--color-ink);
  color: var(--color-paper-white);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  flex: 0 1 auto;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-paper-white);
  text-decoration: none;
}

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

.site-header__mark {
  width: 2.375rem;
  height: 2.375rem;
  flex: 0 0 2.375rem;
  object-fit: contain;
}

.site-header__brand-text {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.site-header__menu {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.55rem, 1vw, 1rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__menu li,
.site-header__menu .site-header__menu a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-block-end: 2px solid transparent;
  color: var(--color-projector-cream);
  font-size: var(--text-utility);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__menu a:hover,
.site-header__menu a[aria-current="page"] {
  border-color: var(--color-muted-ruby);
  color: var(--color-paper-white);
}

.site-header__menu-extra {
  display: none;
}

.site-header__search {
  display: flex;
  width: min(13.5rem, 22vw);
  flex: 0 1 13.5rem;
  align-items: stretch;
  margin: 0;
}

.site-header__search-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.site-header__search input {
  min-width: 0;
  min-height: 2.5rem;
  border-color: rgba(231, 224, 210, 0.45);
  border-radius: var(--radius-control) 0 0 var(--radius-control);
  background: transparent;
  color: var(--color-paper-white);
}

.site-header__search input::placeholder {
  color: var(--color-projector-cream);
}

.site-header__search button {
  min-width: auto;
  min-height: 2.5rem;
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  padding-inline: 0.7rem;
  background: var(--color-deep-green);
  font-size: var(--text-meta);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header__toggle {
  display: none;
}

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

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

  .site-header__brand-text {
    font-size: 1.25rem;
  }

  .site-header__toggle {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: var(--space-2);
    border-color: rgba(231, 224, 210, 0.45);
    background: transparent;
    color: var(--color-paper-white);
    padding-inline: 0.75rem;
  }

  .site-header__toggle:hover,
  .site-header__toggle[aria-expanded="true"] {
    border-color: var(--color-warm-gold);
    background: var(--color-deep-green);
  }

  .site-header__toggle-lines {
    display: grid;
    width: 1rem;
    gap: 0.2rem;
  }

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

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) {
    transform: translateY(0.3rem) rotate(45deg);
  }

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

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(3) {
    transform: translateY(-0.3rem) rotate(-45deg);
  }

  .site-header__toggle-text {
    font-size: var(--text-meta);
    letter-spacing: var(--tracking-meta);
    text-transform: uppercase;
  }

  .site-header__navigation {
    position: absolute;
    z-index: 101;
    inset: 100% 0 auto;
    display: none;
    width: 100%;
    max-height: calc(100vh - 4.25rem);
    overflow-y: auto;
    border-block: 1px solid var(--color-border-dark);
    background: var(--color-ink);
    padding: var(--space-4) var(--container-gutter) var(--space-5);
  }

  .site-header__navigation.is-open {
    display: grid;
    gap: var(--space-4);
  }

  .site-header__menu {
    display: grid;
    gap: 0;
  }

  .site-header__menu-extra {
    display: block;
  }

  .site-header__menu a {
    width: 100%;
    min-height: 2.75rem;
    justify-content: space-between;
    border-block-end: 1px solid var(--color-border-dark);
  }

  .site-header__menu a::after {
    color: var(--color-warm-gold);
    content: "→";
  }

  .site-header__search {
    width: min(100%, 32rem);
  }
}

@media (max-width: 29.99rem) {
  .site-header__inner {
    gap: var(--space-2);
  }

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

  .site-header__toggle-text {
    display: none;
  }

  .site-header__toggle {
    width: 2.75rem;
    justify-content: center;
    padding: 0;
  }
}

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