[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}
.float-soft { animation: float-soft 6s ease-in-out infinite; }
@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}