/* Header component styles */
.site-header {
  position: relative;
  z-index: 100;
  background-color: var(--bg-elevated);
  border-bottom: var(--border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
  padding-block: var(--space-3);
}

.rt-brand {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.rt-brand__mark {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-0);
  background-color: var(--bg-elevated);
  overflow: hidden;
}

.rt-brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.rt-brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rt-brand__name {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  line-height: var(--leading-h4);
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
}

.rt-brand__tagline {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.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(--border-subtle);
  border-radius: var(--radius-0);
  cursor: pointer;
  transition: border-color var(--transition-base);
}

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

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  transition: background-color var(--transition-base), transform var(--transition-base), opacity var(--transition-base);
}

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

.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);
}

.site-nav {
  flex-shrink: 0;
}

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

.site-nav__item {
  margin: 0;
  padding: 0;
}

.site-nav__item + .site-nav__item {
  margin: 0;
}

.nav-link {
  display: inline-block;
  padding-block: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-small);
  line-height: var(--leading-small);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  transition: color var(--transition-base);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--accent-copper);
}

.nav-link--active {
  color: var(--accent-gold);
  border-bottom: 1px solid var(--accent-gold);
}

/* Mobile navigation */
@media (max-width: 1023px) {
  .site-header__inner {
    flex-wrap: wrap;
    min-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-elevated);
    border-bottom: var(--border-subtle);
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    padding: var(--space-4) var(--container-pad);
    display: none;
    z-index: 99;
  }

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

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

  .nav-link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-body);
    line-height: var(--leading-body);
  }
}

@media (max-width: 767px) {
  .rt-brand__mark {
    width: 36px;
    height: 36px;
  }

  .rt-brand__tagline {
    display: none;
  }

  .rt-brand__name {
    font-size: var(--text-h4);
  }
}