.site-header {
  position: sticky;
  z-index: 900;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-brass);
  background: rgba(24, 28, 30, 0.98);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.site-header__inner {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-white);
  text-decoration: none;
}

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

.site-header__logo {
  width: 2.625rem;
  height: 2.625rem;
  flex: 0 0 2.625rem;
  object-fit: contain;
}

.site-header__brand-copy {
  display: grid;
  min-width: 0;
  gap: 0.05rem;
  line-height: 1;
}

.site-header__brand-name {
  overflow: hidden;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header__brand-descriptor {
  overflow: hidden;
  color: var(--color-muted-white);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  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(0.6rem, 1.35vw, 1.25rem);
  margin: 0;
  padding: 0;
  list-style: none !important;
}

.site-navigation__item,
.site-navigation__item + .site-navigation__item {
  display: flex;
  min-width: 0;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-navigation__link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--color-white);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-navigation__link:hover,
.site-navigation__link[aria-current="page"] {
  border-color: var(--color-brass-bright);
  color: var(--color-brass-bright);
}

.site-navigation__action {
  min-height: 2.5rem;
  padding-inline: 0.9rem;
  white-space: nowrap;
}

.site-navigation__item--mobile-only { display: none; }

.nav-toggle {
  display: none;
  width: 2.75rem;
  min-height: 2.75rem;
  flex: 0 0 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  margin-left: auto;
  padding: 0.55rem;
  border: 1px solid rgba(197, 154, 74, 0.65);
  border-radius: var(--radius-control);
  background: var(--surface-inset);
  color: var(--color-white);
  flex-direction: column;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-brass-bright);
  background: rgba(197, 154, 74, 0.12);
}

.nav-toggle__line {
  display: block;
  width: 1.2rem;
  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(0.32rem) 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(-0.32rem) rotate(-45deg); }

@media (max-width: 1050px) {
  .site-header__inner { min-height: 4.75rem; }
  .site-header__logo { width: 2.25rem; height: 2.25rem; flex-basis: 2.25rem; }
  .site-header__brand-name { font-size: 1.12rem; }
  .site-navigation__list { gap: 0.7rem; }
  .site-navigation__link { font-size: 0.7rem; }
}

@media (max-width: 900px) {
  .site-header__inner { position: relative; }
  .nav-toggle { display: flex; }
  .site-navigation {
    position: absolute;
    top: calc(100% + 1px);
    right: var(--container-padding);
    left: var(--container-padding);
    display: none;
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
    border: var(--border-brass);
    background: var(--surface-section);
    box-shadow: var(--shadow-panel);
  }
  .site-navigation.is-open { display: flex; }
  .site-navigation {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4);
  }
  .site-navigation__list {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-navigation__item,
  .site-navigation__item + .site-navigation__item { width: 100%; }
  .site-navigation__item--mobile-only { display: flex; }
  .site-navigation__link {
    width: 100%;
    min-height: 2.9rem;
    padding-inline: var(--space-2);
    border-bottom-color: rgba(197, 154, 74, 0.28);
    font-size: var(--text-label);
  }
  .site-navigation__action { width: 100%; min-height: 2.9rem; }
}

@media (max-width: 480px) {
  .site-header__inner { min-height: 4.4rem; gap: var(--space-2); }
  .site-header__logo { width: 2.125rem; height: 2.125rem; flex-basis: 2.125rem; }
  .site-header__brand { gap: 0.5rem; }
  .site-header__brand-name { font-size: 1.05rem; }
  .site-header__brand-descriptor { font-size: 0.5rem; letter-spacing: 0.055em; }
  .site-navigation { right: var(--container-padding-mobile); left: var(--container-padding-mobile); }
}

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