.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  border-block-end: 1px solid var(--color-border-dark);
  background: rgb(23 24 22 / 96%);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.6875rem;
  color: var(--color-warm-cream-050);
  text-decoration: none;
}

.site-header__brand:hover { color: var(--color-warm-cream-050); }

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

.site-header__brand-text,
.site-header__menu-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  line-height: 1;
  white-space: nowrap;
}

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

.site-header__nav-inner {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1rem, 2vw, 2rem);
}

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

.site-header__primary-list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-header__primary-list a,
.site-header__journey {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-warm-cream-100);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__primary-list a {
  position: relative;
}

.site-header__primary-list a::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  background: var(--color-copper-500);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.site-header__primary-list a:hover,
.site-header__primary-list a[aria-current="page"] { color: var(--color-warm-cream-050); }
.site-header__primary-list a:hover::after,
.site-header__primary-list a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }

.site-header__nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__journey {
  gap: 0.375rem;
  color: var(--color-copper-300);
  font-size: 0.625rem;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.625rem;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-warm-cream-050);
}

.site-header__toggle-line {
  display: block;
  width: 1.25rem;
  height: 1px;
  margin: 0.15625rem 0;
  background: currentColor;
  transform-origin: center;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) { transform: translateY(0.3125rem) 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(-0.3125rem) rotate(-45deg); }

@media (max-width: 1120px) {
  .site-header__inner { min-height: 4.75rem; justify-content: space-between; }
  .site-header__mark { width: 2rem; height: 2rem; flex-basis: 2rem; }
  .site-header__brand-text { font-size: 0.9375rem; }
  .site-header__toggle { display: block; }
  .site-header__nav {
    position: fixed;
    z-index: 99;
    top: 80px;
    right: 0;
    left: auto;
    width: 100%;
    overflow-y: auto;
    visibility: hidden;
    border-inline-start: 1px solid var(--color-border-dark);
    background: var(--color-charcoal-900);
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: transform var(--transition-editorial), opacity var(--transition-fast), visibility var(--transition-fast);
  }
  .site-header__nav.is-open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateX(0); }
  .site-header__nav-inner { display: flex; min-height: 100%; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: var(--space-6); padding: var(--space-7) var(--space-5); }
  .site-header__menu-brand { display: block; padding-block-end: var(--space-5); border-block-end: var(--border-dark); }
  .site-header__primary-list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-header__primary-list a { min-height: 3.25rem; justify-content: space-between; border-block-end: var(--border-dark); font-size: var(--text-small); }
  .site-header__primary-list a::after { right: auto; bottom: 0; width: 2.5rem; }
  .site-header__nav-actions { flex-direction: column; align-items: stretch; margin-block-start: auto; }
  .site-header__journey { min-height: auto; padding-block: var(--space-3); white-space: normal; }
  .site-header__nav-actions .button { width: 100%; }
}

@media (max-width: 420px) {
  .site-header__inner { gap: var(--space-3); }
  .site-header__brand { gap: 0.5rem; }
  .site-header__brand-text { overflow: hidden; text-overflow: ellipsis; }
  .site-header__nav { width: 100%; }
}

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