/* ============================================================
   ONEPAGE FRAMEWORK — animations.css
   Reveal on-scroll ATTIVABILE per singolo modulo.
   Per attivare: aggiungere class="reveal" alla <section>
   (o a un elemento interno) del modulo scelto in fase di
   assemblaggio. Senza questa classe, il blocco appare statico.
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* variante: elementi figli in sequenza (stagger) */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal-stagger.in-view > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in-view > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in-view > *:nth-child(2) { transition-delay: .12s; }
.reveal-stagger.in-view > *:nth-child(3) { transition-delay: .19s; }
.reveal-stagger.in-view > *:nth-child(4) { transition-delay: .26s; }
.reveal-stagger.in-view > *:nth-child(5) { transition-delay: .33s; }
.reveal-stagger.in-view > *:nth-child(6) { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
}