.site-header {
  position: sticky;
  z-index: 900;
  top: 0;
  width: 100%;
  background: var(--color-obsidian-night);
  box-shadow: 0 1px 0 rgba(230, 199, 139, 0.2);
}

.site-header .rt-ribbon {
  min-height: 1.875rem;
  padding-inline: var(--gutter);
}

.site-header__bar {
  background: rgba(11, 13, 18, 0.98);
}

.site-header__inner {
  display: flex;
  min-height: 4.875rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

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

.site-header__monogram {
  width: 2.625rem;
  height: 2.625rem;
  object-fit: contain;
}

.site-header__brand .rt-brand__name {
  font-size: 1.0625rem;
}

.nav-toggle {
  display: none;
  width: 2.875rem;
  height: 2.875rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-porcelain);
}

.nav-toggle:hover {
  border-color: var(--color-antique-champagne);
  background: rgba(245, 240, 232, 0.04);
}

.nav-toggle__line {
  display: block;
  width: 1.2rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(0.4rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-0.4rem) rotate(-45deg);
}

.site-navigation {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
}

.site-navigation__list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.35vw, 1.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-navigation__list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.875rem;
  color: var(--color-cool-ash);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.065em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

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

.site-navigation__cta {
  flex: 0 0 auto;
  min-height: 2.625rem;
  padding-inline: 0.875rem;
  white-space: nowrap;
}

.site-navigation__cta span {
  margin-inline-start: var(--space-2);
  transition: transform var(--transition-fast);
}

.site-navigation__cta:hover span {
  transform: translate(3px, -2px);
}

.site-navigation__mobile-only {
  display: none !important;
}

@media (max-width: 59.9375rem) {
  .site-header__inner {
    min-height: 4.5rem;
  }

  .site-header__monogram {
    width: 2.125rem;
    height: 2.125rem;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .site-navigation {
    position: fixed;
    z-index: 899;
    top: calc(1.875rem + 4.5rem);
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    align-content: start;
    gap: var(--space-5);
    width: 100%;
    max-width: none;
    overflow-x: hidden;
    overflow-y: auto;
    padding: var(--space-6) var(--gutter) calc(var(--space-6) + env(safe-area-inset-bottom));
    border-top: 1px solid var(--color-border);
    background: var(--color-smoked-plum);
    box-shadow: var(--shadow-overlay);
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

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

  .site-navigation__list {
    display: grid;
    align-content: start;
    gap: 0;
  }

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

  .site-navigation__list a {
    width: 100%;
    min-height: 3.75rem;
    color: var(--color-porcelain);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
  }

  .site-navigation__mobile-only {
    display: block !important;
  }

  .site-navigation__cta {
    width: 100%;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .site-navigation,
  .nav-toggle__line,
  .site-navigation__cta span {
    transition: none;
  }

  .site-navigation__cta:hover span {
    transform: none;
  }
}

ul { list-style: none !important; } .nav-toggle { flex-direction: column; } .arrow-mark { color: #d97957; display: inline-flex; align-items: center; gap: 0.45rem; transition: transform 180ms ease, color 180ms ease; } .arrow-mark:hover { color: #e6c78b; transform: translate(3px, -2px); }