.referenzen .row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.referenzen .item {
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    border-radius: 8px;
    transition: all 0.3s ease-in-out;
}

.referenzen .item img {
    max-width: 80%;
    max-height: 80%;
    transition: transform 0.3s ease-in-out, filter 0.3s ease-in-out;
}

.referenzen .item:hover {
    transform: scale(1.05);
    border-color: #007bff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.referenzen .item:hover img {
    filter: grayscale(0%);
    transform: scale(1.1);
}