.section-image-bg {
    background-image: url('/frontend/assets/img/bg2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
    color: white;
    position: relative;
    z-index: 1;
}

/* Optionnel : superposition bleu transparent */
.section-image-bg::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 102, 204, 0.5); /* bleu transparent */
    z-index: -1;
}

/* Cartes interactives */
.section-image-bg .card {
    background-color: rgba(255, 255, 255, 0.95);
    color: #000;
    transition: transform 0.3s ease;
}

.section-image-bg .card:hover {
    transform: scale(1.05);
}