.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--onyx);
  border-bottom: 1px solid var(--gold-border);
  height: 72px;
  display: flex;
  align-items: center;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 100%;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.site-header__logo {
  display: block;
  width: auto;
  height: 48px;
  max-height: 100%;
  object-fit: contain;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-2) 0;
  font-family: var(--font-body);
  font-size: var(--body-size);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pure-white);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--imperial-gold);
  border-bottom-color: var(--imperial-gold);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background-color: transparent;
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: border-color var(--transition), background-color var(--transition);
  flex-shrink: 0;
}

.nav-toggle:hover {
  border-color: var(--imperial-gold);
  background-color: rgba(212, 175, 55, 0.08);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--imperial-gold);
  outline-offset: 2px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--imperial-gold);
  border-radius: 1px;
  transition: background-color var(--transition), transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .site-header {
    height: 64px;
  }

  .site-header__logo {
    height: 32px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--onyx);
    border-bottom: 1px solid var(--gold-border);
    box-shadow: var(--shadow-elevated);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    display: none;
    padding: var(--space-3) var(--gutter);
    z-index: 999;
  }

  .site-header__nav.is-open {
    display: block;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    border-bottom: none;
    border-left: 2px solid transparent;
  }

  .site-header__nav-link:hover,
  .site-header__nav-link:focus-visible {
    border-left-color: var(--imperial-gold);
    background-color: rgba(212, 175, 55, 0.08);
  }
}

@media (max-width: 480px) {
  .site-header__logo {
    height: 28px;
  }
}