/* ============================================
   Cadrance — Animations Scroll Reveal
   ============================================ */

/* --- États initiaux (avant apparition) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.from-left {
  transform: translateX(-40px);
}

.reveal.from-right {
  transform: translateX(40px);
}

.reveal.from-scale {
  transform: scale(0.95);
}

/* --- État visible (après IntersectionObserver) --- */
.reveal.visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* --- Délais pour apparition séquentielle --- */
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }
.reveal.delay-5 { transition-delay: 0.5s; }
.reveal.delay-6 { transition-delay: 0.6s; }

/* --- Animation hero au chargement --- */
@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content > * {
  opacity: 0;
  animation: hero-fade-up 0.7s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.25s; }
.hero-content > *:nth-child(3) { animation-delay: 0.4s; }
.hero-content > *:nth-child(4) { animation-delay: 0.55s; }

/* --- Réduction d'animations si préférence utilisateur --- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-content > * {
    opacity: 1;
    animation: none;
  }
}