.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  min-height: 72px;
  isolation: isolate;
}

.site-header__bar {
  min-height: 72px;
  border-bottom: var(--border-subtle);
  background: var(--color-charcoal-900);
}

@supports (backdrop-filter: blur(18px)) {
  .site-header__bar {
    background: var(--color-glass-800);
    backdrop-filter: blur(18px);
  }
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 72px;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  grid-column: 2;
  align-items: center;
  justify-self: center;
  min-width: 0;
  gap: 10px;
  color: var(--color-platinum-100);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__brand img {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  max-width: none;
  object-fit: contain;
}

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

.site-header__nav--primary {
  grid-column: 1;
  justify-self: start;
}

.site-header__nav--secondary {
  grid-column: 3;
  justify-self: end;
}

.site-header__nav ul,
.site-header__mobile-menu ul {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav ul {
  gap: clamp(12px, 1.8vw, 24px);
}

.site-header__nav li,
.site-header__mobile-menu li,
.site-header__nav li + li,
.site-header__mobile-menu li + li {
  margin: 0;
  padding: 0;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-mist-300);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__nav a:hover,
.site-header__nav a[aria-current="page"] {
  color: var(--color-platinum-100);
}

.site-header__nav a[aria-current="page"] {
  border-bottom: 2px solid var(--color-turquoise-400);
}

.site-header__contact-link {
  padding-inline: 2px;
  color: var(--color-turquoise-400) !important;
}

.site-header__toggle {
  display: none;
  grid-column: 3;
  align-items: center;
  justify-content: center;
  justify-self: end;
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid var(--color-line-700);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-platinum-100);
}

.site-header__toggle-line {
  display: block;
  width: 18px;
  height: 1px;
  margin: 3px auto;
  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(4px) 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(-4px) rotate(-45deg);
}

.site-header__mobile-menu {
  position: fixed;
  inset: 72px 0 0;
  z-index: 901;
  display: none;
  overflow-y: auto;
  border-bottom: var(--border-subtle);
  background: var(--color-charcoal-900);
  box-shadow: var(--shadow-floating);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.site-header__mobile-menu.is-open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

@supports (backdrop-filter: blur(18px)) {
  .site-header__mobile-menu {
    background: rgba(17, 19, 27, 0.96);
    backdrop-filter: blur(18px);
  }
}

.site-header__mobile-inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-5);
  padding-top: var(--space-6);
  padding-bottom: var(--space-7);
}

.site-header__menu-label,
.site-header__mobile-menu p {
  margin: 0;
}

.site-header__menu-label {
  color: var(--color-turquoise-400);
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header__mobile-menu ul {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  border-top: var(--border-subtle);
}

.site-header__mobile-menu li {
  border-bottom: var(--border-subtle);
}

.site-header__mobile-menu a:not(.button) {
  display: flex;
  align-items: center;
  min-height: 52px;
  color: var(--color-platinum-100);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header__mobile-action {
  align-self: flex-start;
}

body.site-menu-open {
  overflow: hidden;
}

@media (max-width: 1080px) {
  .site-header__nav {
    display: none;
  }

  .site-header__inner {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
  }

  .site-header__brand {
    grid-column: 2;
  }

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

@media (max-width: 600px) {
  .site-header,
  .site-header__bar,
  .site-header__inner {
    min-height: 64px;
  }

  .site-header__mobile-menu {
    inset-top: 64px;
  }

  .site-header__brand {
    gap: 8px;
    font-size: var(--text-sm);
    letter-spacing: 0.1em;
  }

  .site-header__brand img {
    flex-basis: 26px;
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 380px) {
  .site-header__brand-name {
    font-size: 0;
  }

  .site-header__brand-name::after {
    content: "F&W";
    font-size: var(--text-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__mobile-menu,
  .site-header__toggle-line {
    transition: none;
  }
}