.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-slow {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s ease, transform 1.2s ease;
  }
  .reveal-slow.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-fast {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }
  .reveal-fast.visible {
    opacity: 1;
    transform: translateY(0);
  }
</style>