.site-header {
  position: sticky;
  top: 2.25rem;
  z-index: 90;
  border-bottom: 1px solid var(--color-border-muted);
  background: rgba(12, 13, 16, 0.97);
}

.site-header__inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-5);
}

.site-header .rt-brand {
  flex: 0 1 auto;
  max-width: 15.5rem;
}

.rt-brand__logo {
  width: 2.625rem;
  min-width: 2.625rem;
  height: 2.625rem;
  object-fit: contain;
}

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

.site-navigation__list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin: 0;
  padding: 0;
}

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

.site-navigation a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-champagne-ivory);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-navigation__list a {
  border-bottom: 1px solid transparent;
}

.site-navigation__list a:hover,
.site-navigation__list a:focus-visible {
  border-bottom-color: var(--color-ormolu-gold);
  color: var(--color-champagne-ivory);
}

.site-navigation__contact {
  color: var(--color-ormolu-gold) !important;
}

.site-header__cta {
  flex: 0 0 auto;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  padding: 0.5rem;
  border: 1px solid var(--color-gold-muted);
  border-radius: var(--radius-control);
  background: var(--color-midnight-charcoal);
  color: var(--color-champagne-ivory);
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 1px;
  background: var(--color-ormolu-gold);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.38rem) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.38rem) rotate(-45deg);
}

@media (max-width: 1050px) {
  .site-header {
    top: 2.25rem;
  }

  .site-header__inner {
    justify-content: space-between;
    gap: var(--space-3);
  }

  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .site-header__cta {
    order: 3;
    padding-inline: 0.8rem;
  }

  .site-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
    padding: var(--space-4) var(--container-padding) var(--space-5);
    border-bottom: 1px solid var(--color-ormolu-gold);
    background: var(--color-midnight-charcoal);
    box-shadow: var(--shadow-raised);
  }

  .site-navigation.is-open {
    display: grid;
    align-content: start;
    gap: var(--space-3);
  }

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

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

  .site-navigation a {
    width: 100%;
    justify-content: space-between;
    font-size: var(--text-nav);
  }

  .site-navigation__contact {
    justify-content: flex-start !important;
  }
}

@media (max-width: 600px) {
  .site-header {
    top: 2.65rem;
  }

  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header .rt-brand {
    max-width: calc(100% - 11rem);
  }

  .rt-brand__logo {
    width: 2.25rem;
    min-width: 2.25rem;
    height: 2.25rem;
  }

  .site-header__cta {
    display: none;
  }

  .nav-toggle {
    margin-left: auto;
  }

  .site-navigation {
    max-height: calc(100vh - 7.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle span {
    transition: none;
  }
}

ul { list-style: none !important; }
.nav-toggle { flex-direction: column; }