@media (max-width: 900px) {
  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(251, 242, 220, .96);
    color: var(--color-ink);
    border-radius: 1rem;
    box-shadow: var(--shadow-soft);
  }

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

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: .25rem;
    width: 2.6rem;
    height: 2.6rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: transparent;
    color: inherit;
  }

  .nav-toggle span {
    display: block;
    width: 1rem;
    height: 2px;
    margin: 0 auto;
    background: currentColor;
  }

  .two-column,
  .world-grid,
  .character-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    margin: 0 auto;
    padding-top: calc(var(--header-height) + 14vh);
  }

  .button-secondary {
    background: rgba(18, 48, 65, .42);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .hero-canvas {
    display: none;
  }
}