@media screen and (max-width: 1280px) {
    .section .desription p{
        display: block;
        width: 100%;
    } 
    .section{
        width: 100%;
    }
    .section .item50{
        width: 100%; 
    }
    #contacts .section .item50{
        padding-left: 20px;
        padding-right: 20px;
    }
    #matherials-section .item{
        width: 100%; height: auto;
        text-align: center;
        margin-bottom: 10px;
        padding-left: 0;
        padding-right: 0;
    }
    #matherials-section .item .img{
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        object-fit: none;
    }
    .section h2{
        margin-bottom: 40px;
    }
}    
@media screen and (max-width: 1220px) {
    footer #footer-top{
        display: inline-block;
    }
    header #top-menu ul li{
        width: 50%;
        padding-bottom: 20px;
        text-align: center;
        font-size: 18px;
    }
    header #top-menu ul li.active::before,
    header #top-menu ul li:hover::before{
        bottom: 14px;
        max-width: 125px;
    }
    header #top-menu ul li.active::after,
    header #top-menu ul li:hover::after{
        bottom: 5px;
        max-width: 125px;
    }
}
@media screen and (max-width: 1200px){
}
@media screen and (max-width: 1020px){
    header #top-menu ul li{
        width:50%;    
        text-align: center;
    }
    #last-news .item, #last-info .item, #video-section .item{
        width: calc( ( 100% - 27px - 27px ) / 2 );
    }
    .home #banner{
        height: 500px;
    }
    .home #banner .bx-wrapper{
        height: 500px;
    }
    .bx-wrapper .bx-viewport{
        height: 500px;
    }
    .home .banner-image{
        height: 500px;
    }
    #news .item, #info .item{
        width: 50%;
    }
    #about-us .img{
        display: block;
        width: 100%;
        text-align: center;
    }
    #about-us .info{
        display: block;
        width: 100%;
        padding-right: 0;
    }
    footer #footer-top .container > .col{
        width: 100%;
        text-align: center;
        margin-right: 0;
    }
    footer #footer-top h2{
        text-align: center;
    }
    #bottom-menu ul li{
        display: block;
        text-align: center;
    }
    #contacts .section .item50{
        width: 100%;
    }
}   
@media screen and (max-width: 780px){
    #header-right{
        display: block;
        width: 100%;
        margin-left: 0;
        margin-top: 0;
        text-align: center;
    }
    #logo{
        position: relative;
        width: 50%;
        width: 100%;
        height: 80px;
    }
    #logo img{
        width: 180px;
        top: 20px;
        height: auto;
    } 
    #header{
        height: auto;
    }
    header .langs{
        padding-bottom: 20px;
    }
    #header-right .social{
        font-size: 20px;
        padding-top: 20px;
    }
    #last-news .item, #last-info .item, #video-section .item{
        width: 100%;
    }
    .section h2{
        font-size: 23px;
    } 
    #about-us .section{
        padding: 0;
        top: 0;
    }
    #about-us .section h2{
        top: 0;
    }
    header #top-menu ul li{
        width:100%; 
        text-align: center;
        border-right: none;   
    }
    header #top-menu ul{
        padding: 10px;
    }
    #banner{
        margin-top: 0;
    }
    .home .banner-image{
        height: auto;
        position: relative;
        
    }
    .home .bx-wrapper img{
        height: auto;
        object-fit: contain;
        position: relative;
        left: 0;
        top: 0;
        transform: none;
    }
    .home #banner{
        height: auto;      
    }
    .home #banner .bx-wrapper{
        height: auto;
    }
    .banner-info {
        position: relative;
        left: 0; top: 0;
        transform: none;
        background: black;
        padding: 40px 0;
    }
    footer #footer-top h2{
        text-align: center;
    }
    footer #footer-top .container > div{
        text-align: center;
        margin-right: 0;
    }
    #header-right .social .item{
        padding-right: 0;
        display: block;
        width: 200px;
        margin: 10px auto;
    }
    
}
@media screen and (max-width: 690px) { 
    .copyright{
        display: block;
        text-align: center;
    }
    .fr{
        display: block;
        float: none;
        padding-top: 10px;
    }
    .section .item50:nth-child(2){  
        margin-left: 0;
    }
    #news .item, #info .item{
        padding-left: 1px;
        padding-right: 1px;
    }
    .section iframe{
        width: 100% !important;
    }
    #news .item, #info .item{
        width: 100%;
    }
    img{
        max-width: 100%;
        max-height: 100%;
        width: auto; height: auto;
    }
    .w5 {
        width: 100% !important;
    }
    .contact_form .item{
        padding-right: 0;
    }
    
}

