/* -------------------------------------- */
/* ANIMATIONS GLOBALES POUR IIA */
/* -------------------------------------- */

/* Apparition progressive vers le haut */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Zoom léger au survol d’image */
img:hover {
  filter: brightness(1.05);
  transition: filter 0.3s ease-in-out;
}

/* Zoom subtil sur l’image de couverture */
.hero-img {
  transition: transform 0.8s ease;
}

.hero-img:hover {
  transform: scale(1.02);
}

/* Animation des cards de formation et de l'IIA */
.iia-card,
.formation-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iia-card:hover,
.formation-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Animation des boutons */
.btn,
.actu-btn,
.life-btn,
.formation-link,
.iia-link {
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.btn:hover,
.actu-btn:hover,
.life-btn:hover,
.formation-link:hover,
.iia-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

/* Animation sur les blocs de statistiques */
.stat {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease-out;
}

.stat.visible {
  opacity: 1;
  transform: translateY(0);
}