[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}