@media screen and (max-width: 1700px){
  .ttl.lg{font-size: 65px}
  .main-products .prod-item .img-info{padding: 20px 40px}
  .main-products .prod-item .img-info .item:not(:last-child){padding-bottom: 10px; margin-bottom: 10px;}
  .main-way .item .text-box{width: 50%}
  .main-beton .ttl.md:after{top: 0; right: -280px}  
  .hydra-slider-1 .text-slider .ttl{font-size: 48px}
  .hydra-acoust .circles {right: -28%;bottom: -21%;}
  .hydra-spec .column{padding-top: 70px}
  .hydra-info .item{padding: 50px}
  .contacts-page .cooperate:before{display: none;}
  .cyclo-slider-1 .text-box .ttl{font-size: 48px}
  .cyclo-info .item{padding: 50px}
}
@media screen and (max-width: 1500px){
  .ttl.lg{font-size: 50px}
  .ttl.slg{font-size: 48px}
  .ttl.md{font-size: 36px}
  .main-menu .menu a{font-size: 36px}
  .main-beton .arr-caption:after{width: 100px}
  .about-acc .content{padding: 30px 15px}
  .about-acc .text-box{width: 45%;}
  .tech-tabs .tab-content{margin: 0}
  .hydra-slider-1{padding: 70px 0 100px}
  .hydra-slider-1 .text-slider{top: 15%}
  .hydra-vid{padding: 140px 0}
  .hydra-features-slider .swiper-slide .text-box{font-size: 18px; line-height: 1.3}
  .hydra-features-ttl{top: 100px; left: 0}
  .hydra-features-slider .swiper-slide{padding: 200px 0 30%}
  .hydra-acoust .wrapper{padding: 110px 60px 30px;}
  .hydra-spec .column{padding-top: 0}
  .contacts-page .contacts-box .item{padding-left: 15px}
  .contacts-page .cooperate{padding-left: 15px} 
  .about-slider .swiper-container{height:360px}
  .cyclo-slider-1{padding: 70px 0 0}
  .cyclo-slider-1 .text-box{top: 15%}
  .cyclo-airplay .img-box{width: 45%;}
  .cyclo-airplay .text-box{width: 50%;}
  .cyclo-airplay .lan .img-box{margin-left: 0}
  .cyclo-apps .item{width: calc(33.3% - 20px);}
  .cyclo-apps .text{width: 100%}
  .cyclo-info .item .text-box{max-width: 250px}
}
@media screen and (max-width: 1300px){ 
  .main-menu .menu{width: 55%;}
  .main-beton .ttl.md:after{display: none;}
  .hydra-slider-1 .text-slider .ttl{font-size: 36px}
  .hydra-slider-1 .text-slider p{font-size: 18px}
  .hydra-spec .arr-caption{margin-bottom: 40px}
  .contacts-page .contacts-box{width: 100%; text-align: center;}
  .contacts-page .contacts-box a{justify-content: center}
  .contacts-page .cooperate{justify-content: center; border-right: none; padding: 60px 0}
  .contacts-page .form-box{width: 100%;}
  .contacts-page .form-box .ttl {text-align: center;}
  .contacts-page .form-box .btn{margin: 0 auto;}
  .contacts-page .contacts-box .social{justify-content: center}
  .contacts-page .contacts-box .social a{margin: 0 10px;}
  .contacts-page .contacts-box .item{padding: 60px 15px}
  .contacts-page .contacts-box .item:last-child{border-right: 0}
  .cyclo-slider-1 .text-box .ttl{font-size: 36px}
  .cyclo-slider-1 .text-box .text{font-size: 18px}
}
@media screen and (max-width: 1200px){
  .mt140{margin-top: 90px;}
  .pt140{padding-top: 90px;}
  .mt50{margin-top: 35px;}
  .mb140{margin-bottom: 90px;}
  .mb110{margin-bottom: 70px;}
  .mb100{margin-bottom: 60px;}
  .mb60{margin-bottom: 40px;}
  .mb40{margin-bottom: 30px;}
  .mb35{margin-bottom: 25px;}
  .mb30{margin-bottom: 20px;}
  .mb25{margin-bottom: 17px;}
  .mb20{margin-bottom: 15px;}
  .ttl.lg{font-size: 48px;}
  .ttl.slg{font-size: 42px;}
  .ttl.md{font-size: 30px;}
  .ttl.sm, .ttl.ssm, .fz21{font-size: 20px}
  .main-menu .center .img-wrap{display: none;}
  .main-menu .menu{width: 100%;}
  .footer .top{padding: 50px 0}
  .footer .logo-box{width: 45%}
  .footer-prod{display: none;}
  .footer-menu{width: 30%; padding: 0 15px}
  .footer-contacts{width: 20%; padding: 0 15px}
  .tech-tabs .inner-tabs{width: calc(50% - 10px)}
  .tech-tabs .text-box{width: calc(50% - 10px)}
  .hydra-acoust .circles{display: none;}
  .hydra-acoust .img-absolute{opacity: .25}
  .hydra-slider-2 .ttl{padding-left: 50px;}
  .hydra-slider-2 .ico{width: 40px; height: 36px;top: -5px;}
  .cyclo-intro{padding: 120px 0 90px}
  .cyclo-intro .intro-img-1 {width: 36%}
  .cyclo-intro .subttl-box{position: relative; bottom: 0; margin-top: 60px}
  .hydra-acoust.cyclo-benefits .img-wrap{width: 100%;}
  .hydra-acoust.cyclo-benefits .img-absolute{width: auto; height: 95%;}
  .hydra-acoust.cyclo-benefits li{margin-bottom: 60px;}
  .hydra-acoust.cyclo-benefits li br{display: none;}
  .cyclo-apps{padding: 90px 0 60px}
}
@media screen and (max-width: 1024px){
  .main-products .prod-item{width: 100%; margin-bottom: 30px}
  .arr-caption{width: 100%!important;}
  .main-material .img-wrap{width: 100%; margin-bottom: 30px}
  .main-material .arr-caption{margin-bottom: 15px}
  .main-material .capt2{padding-bottom: 15px; border-bottom: var(--border);}
  .main-material .btn.blur{position: static; margin: 30px auto 0;}
  .main-way .item{width: 100%; padding: 30px 15px; margin-bottom: 20px}
  .main-beton .text-box{width: 100%; max-width: 740px; padding: 50px 15px; margin: 0 auto;}
  .main-beton .img-box{width: 100%;}
  .main-beton .arr-caption{top: 5%; transition-delay: 0s;}
  .main-beton .arr-caption:after{top: calc(100% + 5px);}
  .about-acc .text-box{width: 100%; margin-bottom: 30px}
  .about-acc .img-box{width: 100%;}
  .warranty-txt{width: 100%}
  .hydra-intro{padding: 70px 0;}
  .hydra-solution .img-absolute {bottom: -35%}
  .hydra-slider-1 .text-slider{width: 100%; position: relative; top: 0; margin-bottom: 30px}
  .hydra-slider-1 .text-slider .swiper-slide{height: auto;}
  .hydra-slider-1 .img-slider{overflow: hidden; padding: 0}
  .hydra-slider-1 .img-slider .swiper-slide{padding: 0}
  .hydra-slider-1 .img-slider .swiper-slide img{display: block; position: static; width: 100%; border-radius: 20px}
  .hydra-slider-1 .img-slider-nav{display: flex;}
  .hydra-features-ttl{position: static; margin-bottom: 30px}
  .hydra-features-slider{position: static; margin-bottom: 30px}
  .hydra-features-slider .swiper-slide{padding: 0}
  .hydra-features-slider .swiper-slide .text-box{width: 100%}
  .hydra-features .img-box{width: 100%; padding: 0}
  .hydra-features-nav{display: flex; justify-content: space-between; align-items: center;}
  .hydra-dynam .content-box{padding: 40px 50px 30px;}
  .hydra-acoust .img-wrap{width: 100%}
  .hydra-spec .column{width: 100%; text-align: center;}
  .hydra-spec .arr-caption{margin-bottom: 30px}
  .hydra-spec .img-box{width: 100%; max-width: 600px; margin: 0 auto 30px;}
  .hydra-slider-2 .text-slider{width: 100%; position: relative; top: 0; left: 0; margin-bottom: 30px}
  .hydra-slider-2 .text-slider .swiper-slide{height: auto;}
  .hydra-slider-2 .img-slider{overflow: hidden; padding: 0}
  .hydra-slider-2 .img-slider .swiper-slide{padding: 0}
  .hydra-slider-2 .img-slider .swiper-slide img{display: block; position: static; width: 100%; border-radius: 20px}
  .hydra-slider-2 .img-slider-nav{display: flex;}
  .hydra-info .item{width: 100%; margin-bottom: 20px}
  .about-slider .swiper-container{height:240px}
  .about-slider:before, .about-slider:after{display: none;}
  .cyclo-persept .img-box{width: 100%; order: 2; margin-top: 40px}
  .cyclo-slider-1 .text-box{width: 100%; position: relative; top: 0; margin-bottom: 30px}
  .cyclo-slider-1 .img-slider{overflow: hidden; padding: 0}
  .cyclo-slider-1 .img-slider .swiper-slide{padding: 0}
  .cyclo-slider-1 .img-slider .swiper-slide img{display: block; position: static; width: 100%; border-radius: 20px}
  .cyclo-slider-1 .img-slider-nav{display: flex;}
  .cyclo-real .wrapper{background: var(--black); padding: 60px 30px 110%}
  .cyclo-real .img-absolute{width: 90%}
  .hydra-balance.cyclo-ampl .wrapper{padding: 70px 0 100px;}  
  .cyclo-airplay .img-box{width: 100%; order: 2}
  .cyclo-airplay .text-box{width: 100%; margin-bottom: 40px}
  .cyclo-apps .item{width: 100%; margin-bottom: 40px}
  .cyclo-info .item{width: 100%; margin-bottom: 20px}
}
@media screen and (max-width: 768px){
  .main-menu .menu a{font-size: 30px}
  .main-form-section .wrapper{width: calc(100%);}
  .main-material .img-wrap .coconut-str{right: -15px}
  .footer .logo-box{width: 100%}
  .footer .logo{margin: 0 auto 20px;}
  .footer .logo-box .text{text-align: center; margin-bottom: 30px;}
  .footer .social{justify-content: center; margin-bottom: 30px;}
  .footer .social a{margin: 0 5px}
  .footer-flex{justify-content: space-between}
  .footer-menu, .footer-contacts{width: 45%; border: none; padding: 0}
  .tech-tabs .inner-tabs{display: flex; width: 100%; overflow-x: scroll; -ms-overflow-style: none;}
  .tech-tabs .inner-tabs::-webkit-scrollbar{height: 1px;}
  .tech-tabs .inner-tabs::-webkit-scrollbar-thumb {background-color: transparent;}
  .tech-tabs .inner-tabs::-webkit-scrollbar-track {background: transparent;}
  .tech-tabs .tab-link{white-space: nowrap; margin: 0 20px 20px 0}
  .tech-tabs .text-box{width: 100%}
  .tech-patents .patents-flex a{width: calc(50% - 10px); filter: grayscale(0); margin-bottom: 20px}
  .hydra-intro{text-align: center; padding: 50px 0 0}
  .hydra-intro .btn{margin: 0 auto 40px;}
  .hydra-intro .img-box{width: 80%; position: relative; margin: 50px 0 0 auto;}
  .hydra-solution .wrapper{padding: 70px 0 360px}
  .hydra-solution .solution-flex{flex-direction: column;}
  .hydra-solution .caption, .hydra-solution .caption:first-child{text-align: center; margin: 0 auto 30px;}
  .hydra-solution .img-absolute {width: 150px; bottom: -200px}
  .hydra-vid{padding: 100px 0}
  .cyclo-mosaic{padding: 60px 0}
  .hydra-mosaic .img-box, .cyclo-mosaic .img-box{width: 100%; margin-bottom: 20px}
  .hydra-acoust .wrapper{padding: 30px;}
  .acoust-list li{width: 100%; margin-bottom: 35px;}
  .form-roles {width: auto;}
  .form-roles .role{width: 100%; margin-bottom: 15px}
  .deal-form .form-wrapper{padding: 65px 15px 30px;}
  .contacts-page .form-box{padding: 60px 0;}
  .cyclo-intro{text-align: center; padding: 50px 0 0}
  .cyclo-intro .img-box{width: 100%; position: relative; padding-bottom: 100%}
  .cyclo-intro .btn{margin: 0 auto;}
  .cyclo-intro .intro-img-1 {left: 30.5%; bottom: -4%}
  .cyclo-intro .wave {left: 13%}
  .cyclo-persept .caption{text-align: center; margin: 0 auto 30px;}
  .cyclo-persept .img-box{margin-top: 0}
  .hydra-acoust.cyclo-benefits .img-wrap{bottom: -20%;}
  .hydra-acoust.cyclo-benefits{padding-top: 30px}
  .hydra-acoust.cyclo-benefits li{margin-bottom: 35px;}

  .cyclo-info .item{text-align: center; height: auto; padding: 80px 35px 104%}
  .cyclo-info .item .text-box {max-width: 100%}
  .cyclo-info .sub{background: var(--black);}
  .cyclo-info .sub:before{background: url(/images/cyclop/10-1-m.png) no-repeat 67% bottom / 64%}
  .cyclo-info .acoust{background: var(--gold); justify-content: flex-start}
  .cyclo-info .acoust:before{background: url(/images/cyclop/10-2-m.png) no-repeat center bottom / 100%}
}
@media screen and (max-width: 550px){
  .padding-section{padding: 70px 0}
  .mt140{margin-top: 70px;}
  .mt50{margin-top: 25px;}
  .pt140{padding-top: 70px;}
  .mb140{margin-bottom: 70px;}
  .mb110{margin-bottom: 55px;}
  .mb100{margin-bottom: 50px;}
  .mb60{margin-bottom: 30px;}
  .mb40{margin-bottom: 20px;}
  .mb35{margin-bottom: 17px;}
  .mb30{margin-bottom: 15px;}
  .mb20{margin-bottom: 12px;}
  .mb15{margin-bottom: 8px;}
  .ttl.md{font-size: 24px;}
  .ttl.sm, .ttl.ssm, .fz21{font-size: 18px;}
  .main-menu .menu li:not(:last-child){margin-bottom: 10px}
  .main-menu .menu a{font-size: 24px}
  .main-menu .bottom .links{flex-direction: column; align-items: flex-start;}
  .main-menu .bottom .links a{margin: 4px 0;}
  .main-intro{background-color: var(--black); background-size: 100%; padding: 40px 0 45%}
  .main-intro .subttl{color: var(--gold); margin-bottom: 30px}
  .main-intro .ttl{color: var(--gold); max-width: 100%}
  .main-intro .btn{background: transparent; color: var(--gold); border: 1px solid var(--gold); margin-bottom: 30px}
  .main-caption .wrapper {padding: 50px 0}
  .tech-tabs .tab-link{font-size: 20px; padding-left: 25px}
  .hydra-vid{padding: 70px 0}
  .hydra-vid .ttl.slg{font-size: 22px}
  .hydra-dynam .content-box{padding: 30px 30px 20px;}
  .hydra-dynam .wrapper {padding-bottom: 40%}
  .hydra-dynam .dyn-cable {bottom: 6%}
  .acoust-list li{font-size: 18px}
  .hydra-balance .img-box{width: 60%; margin-left: 20%}
  .hydra-info .item{padding: 30px 15px}
  .hydra-form .wrapper{padding: 30px 15px}
  .contacts-page .contacts-box .item{width: 100%; border-right: none; border-bottom: var(--border); padding: 15px 0}
  .about-slider .swiper-container{height:160px}
  .hydra-balance.cyclo-ampl .wrapper{padding: 50px 0 60px;}
  .hydra-balance.cyclo-ampl .img-box {width: 80%; margin: 0 auto;}
  .hydra-balance.cyclo-ampl .bg-wrap {top: 0}  
  .cyclo-airplay .lan .img-box img{width: 100%;}
  .cyclo-airplay .lan .img-box .img-absolute{width: 28%; right: 15%;}
  .cyclo-apps{padding: 70px 0 50px}
  
}
@media (max-width: 480px){

}

@media screen and (max-width: 425px){
  .ttl.lg{font-size: 36px;}
  .ttl.slg{font-size: 32px;}
  .ttl.md{font-size: 22px;}
  .main-menu .menu a{font-size: 20px}
  .main-way .item{flex-direction: column; background-image: unset; padding: 15px}
  .main-way .item .img-box{width: 100%; height: auto; margin-bottom: 20px}
  .main-way .item .text-box{width: 100%}
  .main-form-section .wrapper {padding: 50px 0}
  .main-form-section .form-box{width: calc(100% - 30px); margin: 0 15px;}
  .footer-menu, .footer-contacts{width: 100%;}
  .footer-menu{border-bottom: 1px solid rgba(244, 244, 244, 0.1); margin-bottom: 20px}
  .footer-menu a, .footer-contacts a{text-align: center;}
  .about-acc .content{padding: 30px 0}
  .team-slider .name{font-size: 15px; margin-bottom: 10px}
  .tech-tabs .tab-link{font-size: 18px}
  .hydra-slider-1 .text-slider .ttl{font-size: 28px}
  .hydra-slider-2{padding: 60px 0 80px}
  .hydra-slider-2 .text-box p{font-size: 18px}
  .hydra-info .item p{font-size: 18px}
  .cyclo-slider-1 .text-box .ttl{font-size: 28px}
  .cyclo-info .item p{font-size: 18px}
  .header-tm {width: 40px; margin-right: 10px;}
}
@media screen and (max-width: 370px){
  .ttl.lg{font-size: 30px;}
  .ttl.slg{font-size: 28px;}
  .main-intro .btn-box{flex-direction: column;}
  .main-intro .btn{margin-bottom: 10px;}
  .tech-tabs .tab-link{font-size: 16px}
  .checkbox label{font-size: 14px}
  .hydra-solution .caption{width: 290px; height: 290px; font-size: 18px}
  .deal-form .form-wrapper{padding: 65px 10px 30px;}
  .cyclo-persept .caption{width: 290px; height: 290px; font-size: 18px}
  .header-tm {width: 30px; margin-right: 10px;}
}