.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  min-height: 5.5rem;
  background: rgba(18, 20, 26, 0.96);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  min-width: 0;
  min-height: 5.5rem;
  align-items: center;
  gap: var(--space-6);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-champagne-100);
  text-decoration: none;
}

.site-header__brand:hover {
  color: var(--color-champagne-100);
}

.site-header__logo {
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.08rem;
  line-height: 1;
}

.site-header__brand-name {
  color: var(--color-champagne-100);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.site-header__brand-tagline {
  color: var(--color-gold-300);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-champagne-100);
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-gold-300);
  color: var(--color-gold-300);
}

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

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

.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(0.65rem, 1.15vw, 1.2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-navigation__list li,
.site-navigation__list li + li {
  margin: 0;
  padding: 0;
}

.site-navigation__list a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--color-champagne-300);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-navigation__list a:hover,
.site-navigation__list a[aria-current="page"] {
  border-color: var(--color-gold-500);
  color: var(--color-gold-300);
}

.site-navigation__action {
  width: auto;
  min-height: 2.5rem;
  flex: 0 0 auto;
  padding: 0.65rem 0.85rem;
  font-size: 0.72rem;
  white-space: nowrap;
}

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

@media (max-width: 1080px) {
  .site-header,
  .site-header__inner {
    min-height: 5rem;
  }

  .site-header__inner {
    justify-content: space-between;
  }

  .site-header__logo {
    width: 2.6rem;
    height: 2.6rem;
    flex-basis: 2.6rem;
  }

  .site-header__brand-name {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    max-height: calc(100vh - 5rem);
    gap: var(--space-6);
    align-items: stretch;
    justify-content: stretch;
    justify-items: stretch;
    padding: var(--space-6) max(var(--container-padding), 1.5rem);
    overflow-y: auto;
    visibility: hidden;
    background: var(--color-obsidian-900);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-panel);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

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

  .site-navigation__list {
    display: grid;
    width: 100%;
    gap: 0;
    justify-items: stretch;
    text-align: center;
  }

  .site-navigation__list li {
    width: 100%;
    border-bottom: 1px solid rgba(128, 99, 47, 0.36);
    text-align: center;
  }

  .site-navigation__list a {
    width: 100%;
    min-height: 3rem;
    justify-content: center;
    font-size: var(--text-sm);
    text-align: center;
  }

  .site-navigation__action {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-height: 2.9rem;
    padding-inline: 1.25rem;
    font-size: var(--text-sm);
    text-align: center;
  }

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

@media (max-width: 480px) {
  .site-header,
  .site-header__inner {
    min-height: 4.6rem;
  }

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

  .site-header__logo {
    width: 2.35rem;
    height: 2.35rem;
    flex-basis: 2.35rem;
  }

  .site-header__brand-name {
    font-size: 1.08rem;
  }

  .site-header__brand-tagline {
    font-size: 0.56rem;
  }

  .site-navigation {
    max-height: calc(100vh - 4.6rem);
  }
}

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