.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
  padding-block: var(--space-2);
}

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

.site-header__brand:hover {
  color: var(--color-accent-gold);
  text-decoration: none;
}

.site-header__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: var(--letter-spacing-heading);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  background-color: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sharp);
  padding: var(--space-2);
  transition: all var(--transition-smooth);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle:hover {
  border-color: var(--color-accent-gold);
  background-color: var(--color-bg-elevated);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent-emerald);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-accent-gold);
  border-radius: 1px;
  transition: all var(--transition-smooth);
}

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

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

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

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

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

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

.site-header__nav-link {
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: var(--font-size-small);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-smooth);
  position: relative;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.site-header__nav-link:hover {
  color: var(--color-accent-gold);
  text-decoration: none;
}

.site-header__nav-link:hover::after {
  transform: scaleX(1);
}

.site-header__nav-link:focus-visible {
  outline: 2px solid var(--color-accent-emerald);
  outline-offset: 2px;
}

.site-header__nav-link--cta {
  color: var(--color-accent-gold);
  border: 1px solid var(--color-accent-gold);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sharp);
  transition: all var(--transition-smooth);
}

.site-header__nav-link--cta::after {
  display: none;
}

.site-header__nav-link--cta:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-base);
  text-decoration: none;
}

@media (max-width: 1024px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__nav {
    display: none;
    width: 100%;
    order: 3;
    background-color: var(--color-bg-base);
    border-top: 1px solid var(--color-border-subtle);
    padding-block: var(--space-3);
  }

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

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav-item + .site-header__nav-item {
    margin-top: var(--space-2);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: 1rem;
    text-transform: none;
    letter-spacing: normal;
  }

  .site-header__nav-link::after {
    display: none;
  }

  .site-header__nav-link--cta {
    border: none;
    padding: var(--space-2) var(--space-3);
    color: var(--color-accent-gold);
  }

  .site-header__nav-link--cta:hover {
    background-color: var(--color-bg-elevated);
    color: var(--color-accent-gold);
  }
}

@media (max-width: 768px) {
  .site-header__inner {
    min-height: 64px;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    display: none;
  }
}