.product__window{
    -webkit-flex-flow: column wrap;
    -ms-flex-flow: column wrap;
    flex-flow: column wrap;
}
.product__list{
    list-style-type: none;
    padding:0;
    -webkit-justify-content:  flex-start;
    -ms-flex-pack:  flex-start;
    justify-content:  flex-start;
    -webkit-flex-flow: row wrap;
    -ms-flex-flow: row wrap;
    flex-flow: row wrap;
}
.product__item{
    width: calc((100% / 4) - (4rem / 4));
    height: 300px;
    margin: 0 20px 20px 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: #808080;
    position: relative;
    cursor: pointer;
}
.product__item:nth-child(4n){
    margin-right:0;}
.product__item:before{
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 29%, rgba(0,0,0,0) 34%, #000 98%, #000 99%);
    opacity: .8;
    box-sizing: inherit;}
.product__link{
    display:block;
    width:100%;
    height:100%;
    position: relative;
    z-index:4;}
.product-card{
    margin:0;
    padding:0;
}
.product__title{
    font-size: calc( (100vw - 280px)/(1600 - 280) * (24 - 20) + 20px);
    z-index: 2;
    line-height: 1.25;
    margin: 0;
}
.product-card__link{
    z-index: 3;
    font-size: .875rem;
    opacity:0;
}
.product__title, .product-card__link{
    position: absolute;
    bottom: 2.5rem;
    left: 1.5rem;
    right: 1.5rem;
    color:#fff;
}
@media screen and (max-width: 1419px){
    .product__item{
        width: calc((100% / 3) - (3rem / 3));
    }
    .product__item:nth-child(3n){
        margin-right: 0;
    }
    .product__item:nth-child(4n){
        margin-right:20px;}
}
@media screen and (max-width: 1100px) {
    .product {
        padding-top: 0;
    }
    .product__list{
        -webkit-justify-content: space-between;
        -ms-flex-pack: space-between;
        justify-content: space-between;
    }
    .product__item{
        width: calc((100% / 2) - (2rem / 2));
        margin: 0 0 20px 0;
    }
    .product__item:nth-child(2n){
        margin-right: 0;
}
}
@media screen and (max-width: 650px){
    .product__item{
        height: 200px;
    }
}
@media screen and (max-width: 450px) {
    .product__window {
        margin-top: 20px; }
    .product__item{
        height: 300px;
        width: 100%;}
}