/* =========================================================
   MOTION — reveal system + keyframes
   Entrate: 600-900ms. Micro: 150-300ms. Grandi transizioni: 800-1200ms.
   Rispetta prefers-reduced-motion (vedi tokens.css / style.css).
   ========================================================= */

[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out-soft), transform var(--dur-slow) var(--ease-out-soft);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: transform, opacity;
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"]{ transform: none; }
[data-reveal="scale"]{ transform: scale(.96); }
[data-reveal="scale"].is-visible{ transform: scale(1); }

[data-reveal-group] > *{
  opacity: 0; transform: translateY(20px);
  transition: opacity var(--dur-normal) var(--ease-out-soft), transform var(--dur-normal) var(--ease-out-soft);
}
[data-reveal-group].is-visible > *{ opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(1){ transition-delay: 0ms; }
[data-reveal-group].is-visible > *:nth-child(2){ transition-delay: 90ms; }
[data-reveal-group].is-visible > *:nth-child(3){ transition-delay: 180ms; }
[data-reveal-group].is-visible > *:nth-child(4){ transition-delay: 270ms; }
[data-reveal-group].is-visible > *:nth-child(5){ transition-delay: 360ms; }
[data-reveal-group].is-visible > *:nth-child(6){ transition-delay: 450ms; }
[data-reveal-group].is-visible > *:nth-child(7){ transition-delay: 540ms; }

@media (prefers-reduced-motion: reduce){
  [data-reveal], [data-reveal-group] > *{
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
  .art-panel__motif svg{ animation: none !important; }
  .scroll-cue .line{ animation: none !important; }
}