.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  border-block-end: 1px solid var(--color-border-dark);
  background: rgba(7, 25, 35, 0.94);
  color: var(--color-smoked-white);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header__inner {
  display: grid;
  width: min(100% - (var(--page-padding) * 2), var(--container-max));
  min-height: 5.5rem;
  margin-inline: auto;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-smoked-white);
  text-decoration: none;
}

.site-header__logo {
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.1rem;
}

.site-header__name {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.15;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__tagline {
  color: var(--color-polished-steel);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav {
  min-width: 0;
}

.site-header__nav-scroll {
  min-width: 0;
}

.site-header__route {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  align-items: center;
}

.site-header__route li,
.site-header__route li + li {
  position: relative;
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  align-items: center;
}

.site-header__route li:not(:last-child)::after {
  width: clamp(0.4rem, 1vw, 1rem);
  height: 1px;
  margin-inline: 0.28rem;
  background: linear-gradient(90deg, rgba(154, 128, 104, 0.85) 55%, transparent 55%);
  background-size: 4px 1px;
  content: "";
  opacity: 0.82;
  animation: site-header-route 10s linear infinite;
}

.site-header__route a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.34rem;
  color: var(--color-smoked-white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-header__route a::before {
  width: 0.34rem;
  height: 0.34rem;
  flex: 0 0 auto;
  border: 1px solid var(--color-burnished-metal);
  border-radius: 50%;
  content: "";
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.site-header__route a:hover,
.site-header__route a:focus-visible,
.site-header__route a[aria-current="page"] {
  color: var(--color-ocean-jade-light);
}

.site-header__route a:hover::before,
.site-header__route a:focus-visible::before,
.site-header__route a[aria-current="page"]::before {
  border-color: currentColor;
  background: currentColor;
  transform: translateY(-2px);
}

.site-header__route a:hover {
  color: var(--color-burnished-orange-light);
}

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

.site-header__actions .button {
  min-height: 2.75rem;
  padding-inline: 0.8rem;
  white-space: nowrap;
}

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

.site-header__toggle {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  color: var(--color-smoked-white);
}

.site-header__toggle-lines {
  display: grid;
  width: 1.2rem;
  gap: 0.24rem;
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:first-child {
  transform: translateY(0.35rem) 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:last-child {
  transform: translateY(-0.35rem) rotate(-45deg);
}

@keyframes site-header-route {
  to { background-position: 24px 0; }
}

@media (max-width: 75rem) {
  .site-header__inner {
    min-height: 4.75rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3);
  }

  .site-header__logo {
    width: 2.25rem;
    height: 2.25rem;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__actions {
    display: none;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    border-block-end: 0 solid var(--color-border-dark);
    background: rgba(7, 25, 35, 0.98);
    opacity: 0;
    pointer-events: none;
    transition: max-height var(--transition-base), opacity var(--transition-fast), border-color var(--transition-fast);
  }

  .site-header__nav.is-open {
    max-height: min(78vh, 44rem);
    border-block-end-width: 1px;
    opacity: 1;
    pointer-events: auto;
  }

  .site-header__nav-scroll {
    max-height: min(78vh, 44rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: var(--space-5) var(--page-padding) var(--space-6);
  }

  .site-header__route {
    position: relative;
    display: grid;
    gap: 0;
    padding-inline-start: var(--space-5);
  }

  .site-header__route::before {
    position: absolute;
    top: 1.38rem;
    bottom: 1.38rem;
    left: 0.35rem;
    width: 1px;
    background: linear-gradient(var(--color-burnished-metal) 55%, transparent 55%);
    background-size: 1px 6px;
    content: "";
    animation: site-header-route-vertical 10s linear infinite;
  }

  .site-header__route li,
  .site-header__route li + li {
    display: block;
  }

  .site-header__route li:not(:last-child)::after {
    display: none;
  }

  .site-header__route a {
    width: 100%;
    min-height: 2.75rem;
    font-size: var(--text-sm);
  }

  .site-header__route a::before {
    position: absolute;
    left: -1.02rem;
    width: 0.62rem;
    height: 0.62rem;
    background: var(--color-deep-atlantic);
  }

  .site-header__mobile-cta {
    display: inline-flex;
    width: 100%;
    margin-top: var(--space-4);
  }
}

@media (max-width: 26.25rem) {
  .site-header__tagline {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__route li:not(:last-child)::after,
  .site-header__route::before {
    animation: none;
  }
}

@keyframes site-header-route-vertical {
  to { background-position: 0 24px; }
}