html {
  scroll-behavior: smooth;
}
section[id],
div[id=comprar] {
  scroll-margin-top: 5.5rem;
}
.reveal {
  opacity: 0;
  transform: translateY(45px) scale(.97);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#premios .grid > div,
#como-funciona .grid > div {
  transition:
    transform .35s ease,
    box-shadow .35s ease,
    opacity .8s ease;
}
#premios .grid > div:hover,
#como-funciona .grid > div:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .4);
}