.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid var(--color-slate-edge);
  background: rgba(9, 9, 11, 0.96);
  color: var(--color-paper);
}

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

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-paper);
  text-decoration: none;
}

.site-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  object-fit: contain;
}

.site-header__brand-name {
  overflow: hidden;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.site-navigation__list {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: clamp(var(--space-3), 1.6vw, var(--space-5));
  margin: 0;
  padding: 0;
}

.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: 2.5rem;
  color: var(--color-paper);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-navigation__list a:hover,
.site-navigation__list a:focus-visible {
  color: var(--color-imperial-gold);
}

.site-navigation__contact {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ruby);
  border-radius: var(--radius-sm);
  background: var(--color-ruby);
  color: var(--color-paper);
  padding: 0.625rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-navigation__contact:hover,
.site-navigation__contact:focus-visible {
  background: #9f1239;
  color: var(--color-paper);
}

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

.site-header button.nav-toggle[type="button"] {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  flex: 0 0 2.75rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--color-slate-edge);
  border-radius: var(--radius-sm);
  background: var(--color-deep-slate);
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: normal;
  text-transform: none;
  transform: none;
}

.site-header button.nav-toggle[type="button"]:hover {
  border-color: var(--color-imperial-gold);
  background: var(--color-deep-slate);
  transform: none;
}

.nav-toggle__line {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-paper);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-imperial-gold);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line {
  background: var(--color-imperial-gold);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

@media (max-width: 1050px) {
  .site-header__inner {
    position: relative;
    min-height: 4.25rem;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .site-header__logo {
    width: 2.125rem;
    height: 2.125rem;
    flex-basis: 2.125rem;
  }

  .site-header button.nav-toggle[type="button"] {
    display: inline-flex;
  }

  .site-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    width: 100%;
    max-height: calc(100vh - 4.25rem);
    overflow-y: auto;
    border-bottom: 1px solid var(--color-imperial-gold);
    background: var(--color-deep-slate);
    box-shadow: var(--shadow-floating);
    padding: var(--space-4) var(--container-gutter);
    justify-content: flex-start;
    align-items: stretch;
  }

  .site-navigation.site-navigation--open {
    display: grid;
    gap: var(--space-4);
    width: 100%;
  }

  .site-navigation__list {
    display: grid;
    width: 100%;
    gap: 0;
    border-top: 1px solid var(--color-imperial-gold);
  }

  .site-navigation__list li,
  .site-navigation__list li + li {
    display: block;
    width: 100%;
    border-bottom: 1px solid var(--color-imperial-gold);
  }

  .site-navigation__list a {
    display: flex;
    width: 100%;
    min-height: 3rem;
    padding: var(--space-2) var(--space-4);
  }

  .site-navigation__contact {
    width: 100%;
    min-height: 3rem;
  }

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

@media (max-width: 380px) {
  .site-header__brand-name {
    display: none;
  }
}

ul { list-style: none !important; }