.columns-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Standard: mobil = 2 Spalten */
    gap: 20px; /* Abstand zwischen den Elementen */
}

@media (min-width: 768px) {
    .columns-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop: 4 Spalten */
@media (min-width: 1024px) {
    .columns-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

div .products .product {
    width: 100%;
    float: none;
    margin: 0;
    padding: 0;
}

.single-product-summary .summary.entry-summary > .price {
    display: none !important;
}