.matieres_container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    padding: 20px;
}

.matiere_card {
    background: #fff;
    border-radius: 10px;
    padding: 12px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.matiere_card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.matiere_card img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 10px;
}

.matiere_card span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
}

.matiere_desc {
    font-size: 0.75rem;
    color: #666;
    margin-top: 8px;
}