@media screen and (max-width: 1250px) {
  .to-top {
    padding-bottom: 10px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-flow: row-reverse;
            flex-flow: row-reverse;
  }
  .to-top__button {
    position: static;
  }
}

@media screen and (max-width: 1170px) {
  .slider__nav_products {
    position: absolute;
    left: 0;
    bottom: 20px;
    margin: auto;
  }
  .menu__link_item {
    font-size: 16px;
  }
}

@media screen and (max-width: 1024px) {
  .preview__caption {
    font-size: 52px;
  }
  .banner__title {
    font-size: 36px;
  }
  .menu__link_item {
    padding: 5px 25px;
    font-size: 14px;
  }
  .header__logo {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 100px;
            flex: 0 0 100px;
  }
  .footer__list {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
  }
}

@media screen and (max-width: 768px) {
    .products__desc {
         height:100%;
    }
    .slider__dots
    {
        display:none;
    }
  .title {
    font-size: 18px;
  }
  .banner__title {
    font-size: 24px;
  }
  body {
    margin-top: 63px;
    font-size: 14px;
  }
  .rollup {
    display: block;
  }
  .rollup__item {
    max-width: 100%;
  }
  .rollup__item_info {
    position: static;
    max-width: 100%;
    width: 100%;
  }
  .rollup__desc {
    max-width: 100%;
    text-align: left;
  }
  .section__title {
    font-size: 18px;
  }
  .slider__nav_left {
    width: 100%;
    padding: 0;
  }
  .nav__link_products {
    padding: 0;
    margin: 0 10px 0 0;
    font-size: 14px;
  }
  .nav__item_products:not(:last-child) {
    border: none;
  }
  .products__title {
    font-size: 18px;
  }
  .products__more {
    font-size: 12px;
  }
  .products__content {
    padding: 0;
    padding-bottom: 60px;
    max-width: 100%;
    width: 100%;
  }
  .products__picture {
    position: static;
    height: 50vw;
    margin-bottom: 20px;
  }
  .products__top {
    display: block;
  }
  .products__nav {
    margin-top: 20px;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
  }
  .preview__caption {
    font-size: 36px;
    padding: 20px;
    padding-bottom: 60px;
    width: 100%;
    max-width: 100%;
    background-image: none;
    text-align: center;
  }
  .preview__side {
    width: 100%;
    padding: 15px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: rgba(230, 0, 0, 0.8);
  }
  .preview__bottom {
    font-size: 24px;
  }
  .callback {
    display: block;
  }
  .callback__item {
    max-width: 70%;
    margin: auto;
    margin-bottom: 20px;
  }
  .side-picture__picture {
    position: static;
    height: 200px;
  }
  .side-picture__container {
    display: block;
  }
  .side-picture__desc {
    max-width: 100%;
    padding: 10px 0;
  }
  .contacts__item {
    display: inline-block;
    vertical-align: middle;
  }
  .contacts__item:not(:last-child) {
    border: none;
    margin-bottom: 10px;
  }
  .header {
    position: fixed;
    background: #ffffff;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 10;
  }
  .header__logo {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 80px;
            flex: 0 0 80px;
  }
  .header__buttons {
    display: block;
  }
  .header__contacts {
    padding: 10px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    z-index: 999999;
    display: none;
    position: absolute;
    background: #ffffff;
    text-align: center;
    left: 0;
    box-sizing: border-box;
    top: 63px;
    width: 100%;
  }
  .main-menu {
    z-index: 10;
    display: none;
    position: fixed;
    left: 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    top: 63px;
    width: 100%;
  }
  .menu {
    display: block;
  }
  .menu__item {
    padding: 0;
  }
  .menu__item:not(:last-child) {
    border: none;
    margin-bottom: 5px;
  }
  .menu__link_item {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    width: 100%;
    border-right: 1px solid #ffffff;
  }
  .footer__list {
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .footer__logo {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 100px;
            flex: 0 0 100px;
    max-height: 100px;
  }
  .footer__item_menu {
    display: none;
  }
  .footer__item_products {
    display: none;
  }
  .footer__item_contacts {
    display: none;
  }
}

@media screen and (max-width: 550px) {
  .copyright__container {
    display: block;
    text-align: center;
  }
  .banner__slide {
    display: block;
  }
  .banner__picture {
    position: static;
    max-width: 100%;
    width: 100%;
    height: 50vw;
  }
  .banner__side {
    padding: 15px;
    background-image: none;
    background: #e60000;
    width: 100%;
    max-width: 100%;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .banner__title {
    text-align: center;
  }
  .callback {
    display: block;
  }
  .callback__item {
    max-width: 100%;
  }
  .about {
    padding: 0 15px;
    display: block;
  }
  .about__column {
    max-width: 100%;
  }
}









/**/
@media screen and (max-width:950px){
    .preview__slide-item{
        height:300px;
    }
}

@media screen and (max-width:530px){
    .preview__slide-item{
        height:165px;
    }
}