.product-preview {
    padding-top: 60px;
    padding-bottom: 60px;
    background-color: #efefef;
    border-top: 1px solid #aaa;
}

.product-preview__grid {
    display: grid;
    grid-template-rows: 1fr;
    grid-template-columns: 0.8fr 2fr 0.8fr;
    gap: 20px;
}

@media (max-width: 767px) {
    .product-preview__grid {
        grid-template-rows: auto;
        grid-template-columns: 1fr;
    }
}

.product-preview__column1,
.product-preview__column3 {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.product-preview__description {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.product-preview h3.color-red {
    font-size: 24px;
}

.product-preview__description h4 {
    margin-bottom: 20px;
}

.product-preview__gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.product-preview__gallery-image {
    display: grid;
    grid-template-rows: auto;
    grid-template-columns: 1fr;
    grid-template-areas: "image";
}

.product-preview__gallery-image img {
    grid-area: image;
    transition: opacity 0.5s ease-in-out;
    opacity: 0;
    width: 100%;
    height: auto;
}

.product-preview__gallery-image img.active {
    opacity: 1;
}

.product-preview__gallery-navigation {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.product-preview__gallery-navigation li {
    text-align: center;
    width: calc(50% - 20px);
}

.product-preview__gallery-navigation li.active img {
    border: 2px solid #cf001f;
    border-radius: 100%;
}

.product-preview__gallery-navigation img {
    width: 40px;
    height: 40px;
}

.product-preview h3 {
    color: #cf001f;
}