/* Header-specific styles building on base.css */

.site-header {
  z-index: 50;
}

.site-header__menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(10, 10, 10, 0.8);
  color: var(--color-text);
}

.site-header__menu-toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile menu open state */
.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

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

/* Nav base (desktop) inherits from base.css */

/* Mobile layout */
@media (max-width: 768px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    padding-block: var(--space-3);
    height: auto;
    min-height: var(--navbar-height);
  }

  .site-logo {
    grid-column: 1;
  }

  .site-header__menu-toggle {
    display: inline-flex;
    justify-self: end;
    grid-column: 2;
    grid-row: 1;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    overflow: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding-block: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
  }

  .site-nav__list.is-open {
    max-height: 360px;
    padding-block: var(--space-3);
  }

  .site-nav__link {
    display: block;
    width: 100%;
    white-space: normal;
  }

  .site-header__actions {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__menu-toggle-line {
    transition: none;
  }
}