/* ===================================
   CARTES 3D ANIMÉES - MES ACTIVITÉS
   Inspiré de Animated-3D-Card
   =================================== */

/* Container global avec perspective */
.activities {
    perspective: 1000px;
}

/* Grid pour les cartes */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    padding: 2rem 0;
}

/* Carte individuelle avec effet 3D */
.activity-card {
    position: relative;
    min-height: 420px;
    width: 100%;
    background: white;
    border-radius: 30px;
    padding: 2.5rem 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0px 0px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    transform-style: preserve-3d;
    cursor: pointer;
    user-select: none;
}

/* Hover sur la carte - légère élévation */
.activity-card:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2), 0px 0px 80px rgba(0, 0, 0, 0.15);
}

/* Icône de la carte */
.card-icon {
    position: relative;
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-align: center;
    transition: all 0.75s ease-out;
    transform-style: preserve-3d;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

/* Cercle décoratif derrière l'icône */
.card-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-radius: 50%;
    z-index: -1;
    transition: all 0.75s ease-out;
}

.activity-card:hover .card-icon::before {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0.8;
}

/* Titre de la carte */
.activity-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    transition: all 0.75s ease-out;
    transform-style: preserve-3d;
    text-align: center;
}

/* Description */
.activity-card p {
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
    transition: all 0.75s ease-out;
    transform-style: preserve-3d;
    text-align: center;
}

/* Bouton */
.activity-card .btn {
    width: 100%;
    padding: 1rem 0;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.75s ease-out;
    transform-style: preserve-3d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* États de profondeur 3D lors du hover */
.activity-card:hover .card-icon {
    transform: translateZ(80px);
}

.activity-card:hover h3 {
    transform: translateZ(60px);
}

.activity-card:hover p {
    transform: translateZ(40px);
}

.activity-card:hover .btn {
    transform: translateZ(30px);
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
}

/* Variantes de couleurs pour chaque carte */
.activity-card:nth-child(1) .btn-primary {
    background: linear-gradient(135deg, #f54642, #e63946);
}

.activity-card:nth-child(2) .btn-primary {
    background: linear-gradient(135deg, #3ecd5e, #2a9d48);
}

.activity-card:nth-child(3) .btn-primary {
    background: linear-gradient(135deg, #e44002, #c53602);
}

.activity-card:nth-child(4) .btn-primary {
    background: linear-gradient(135deg, #952aff, #7621cc);
}

.activity-card:nth-child(5) .btn-primary {
    background: linear-gradient(135deg, #cd3e94, #a32d75);
}

/* Cercles décoratifs avec couleurs variées */
.activity-card:nth-child(1) .card-icon::before {
    background: linear-gradient(135deg, rgba(245, 70, 66, 0.3), rgba(230, 57, 70, 0.3));
}

.activity-card:nth-child(2) .card-icon::before {
    background: linear-gradient(135deg, rgba(62, 205, 94, 0.3), rgba(42, 157, 72, 0.3));
}

.activity-card:nth-child(3) .card-icon::before {
    background: linear-gradient(135deg, rgba(228, 64, 2, 0.3), rgba(197, 54, 2, 0.3));
}

.activity-card:nth-child(4) .card-icon::before {
    background: linear-gradient(135deg, rgba(149, 42, 255, 0.3), rgba(118, 33, 204, 0.3));
}

.activity-card:nth-child(5) .card-icon::before {
    background: linear-gradient(135deg, rgba(205, 62, 148, 0.3), rgba(163, 45, 117, 0.3));
}

/* Responsive */
@media (max-width: 768px) {
    .activity-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .activity-card {
        padding: 2rem 1.5rem;
        min-height: 380px;
    }

    .card-icon {
        font-size: 3rem;
    }

    .activity-card h3 {
        font-size: 1.5rem;
    }

    /* Désactiver l'effet 3D sur mobile pour de meilleures performances */
    .activity-card:hover .card-icon,
    .activity-card:hover h3,
    .activity-card:hover p,
    .activity-card:hover .btn {
        transform: none;
    }
}