/* MOT-1 — Fondu sobre (fade + légère montée verticale) */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px); /* JAMAIS translateX (PIÈGE PROD #13) */
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].in {
  opacity: 1;
  transform: none;
}

/* Stagger sur les grilles */
.stagger > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.stagger.in > * {
  opacity: 1;
  transform: none;
}

.stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.in > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.in > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.in > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.in > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.in > *:nth-child(6) { transition-delay: 0.40s; }

/* Délais pour process steps */
.process-grid [data-reveal]:nth-child(1) { transition-delay: 0s; }
.process-grid [data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.process-grid [data-reveal]:nth-child(3) { transition-delay: 0.2s; }

/* Prefers-reduced-motion : tout arrêter */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  .stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}