* {
    box-sizing: border-box;
    color: #525252;
    font-family: 'Arial',Arial,sans-serif;
}


a {
    position: relative;
    text-decoration: none;
  }
  
  a::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background-color: #18272F;
    bottom: 0;
    left: 0;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .3s ease-in-out;
  }

  a:hover::before {
    transform-origin: left;
    transform: scaleX(1);
  }


hr {
    border: 0;
    height: 1px;
    margin: 50px 0;
    background-image: -webkit-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0));
    background-image:    -moz-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0));
    background-image:     -ms-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0));
    background-image:      -o-linear-gradient(left, rgba(0,0,0,0), rgba(0,0,0,0.75), rgba(0,0,0,0));
}

.container {
    margin: 0 auto;
    max-width: 1200px;
    position: relative;
}
.ptext{
    text-align: justify; 
    font-style: normal; 
    font-variant-caps: normal; 
    font-stretch: normal; 
    font-size: 12px;
     line-height: normal; 
}
.caption{
    margin: 0 80px;
}
.title_caption{
    font-family: 'PT Sans',Arial,sans-serif;
    text-align: center;
    font-size: 34px;
}
.title{
    font-family: 'PT Sans',Arial,sans-serif;
    text-align: center;
    font-size: 42px;
}

.title_text{
    margin: 0 100px;
    display: contents;
}

.nav{
    position: relative;
}

.nav.fixed {
    padding: 3px 0;

    background-color: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);

    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    margin: 0 auto;
    max-width: 1200px;
    transform: translate3d(0, 0, 0);
    z-index: 10;
}


 
.nav_top
{
    margin-bottom: 10px;
    display: flex;
    width: 100%;
    justify-content: space-between;
}



.block_develop_item{
    display: flex;
    margin: 10px  80px;
}
.block_icon{
    margin-right: 30px;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: center;
}
.block_develop_text{
    color: #525252;
    font-size: 24px;
    font-family: 'Arial',Arial,sans-serif;
    line-height: 1.55;
    font-weight: 400;
    background-position: center center;
    border-color: transparent;
    border-style: solid;
}
.block_develop_icon{
    width: 75px;
    height:75px;
    border-width: 0px;
    background-color: #ffffff;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    border-color: #000000;
    border-style: solid;
}


.nav_bottom{
    display: flex;
    width: 100%;
    justify-content: space-between;
}


.nav_contact{
    display: flex;
    width: 50%;
    justify-content: space-between;
    margin: 10px  80px;
}

.nav-toggle {
    width: 30px;
    padding: 10px 0;
    display: none;
    font-size: 0;
    color: transparent;
    border: 0;
    background: none;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 15px;
    z-index: 1;
}

.fixed .nav-toggle{
    top: 30px;
}

.nav-toggle__item {
    display: block;
    width: 100%;
    height: 3px;
    background-color: rgb(0, 0, 0);
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    transition: background .2s linear;
}

.nav-toggle__item:before, .nav-toggle__item:after {
    content: "";
    width: 100%;
    height: 3px;
    background-color: rgb(0, 0, 0);
    position: absolute;
    left: 0;
    z-index: 1;
    transition: transform .2s linear;
}

.nav-toggle__item:before {
    top: -8px;
}

.nav-toggle__item:after {
    bottom: -8px;
}

.nav-toggle.active .nav-toggle__item {
    background: none;
    background-color: white;
}

.nav-toggle.active {
    background-color: white;
}
.nav-toggle.active .nav-toggle__item:before {
    transform-origin: left top;
    transform: rotate(45deg) translate3d(0px, -2px, 0)
}

.nav-toggle.active .nav-toggle__item:after {
    transform-origin: left bottom;
    transform: rotate(-45deg) translate3d(0px, 3px, 0);
}

.nav_contact_item{
    font-size: 21px;
    font-family: 'PT Sans',Arial,sans-serif;
    line-height: 1.5;
    font-weight: 400;
}
.nav_link{
    margin: 0 80px;
}

.nav_link a{
    color: #525252;
    font-size: 21px;
    font-family: 'Arial',Arial,sans-serif;
    line-height: 1.55;
    font-weight: 600;
    border-width: 0px;
    background-position: center center;
    border-color: #000000;
    border-style: solid;
    text-transform: uppercase;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, border-color 0.2s ease-in-out;
    text-decoration: none;
}
.logo{
    width: 50%;
    max-height: 100px;
    margin: 10px 50px;
}
 .img_logo_skrin{
    max-height: 87px;
}

.img_logo_sh{
    max-height: 58px;
}

.img_logo_tech{
    max-height: 65px;
}

.block_contact{
    margin: 40px 80px;
}
.block_contact_item{
    margin-bottom: 20px;
}
.block_contact_main{
    display: flex;
    justify-content: space-between;
}

.block_contact_title{
    /* color: #525252; */
    font-size: 20px;
    font-family: 'PT Sans',Arial,sans-serif;
    font-weight: bold;
    margin-bottom: 5px;
}

.block_contact_caption{
    color: #525252b8;
    font-size: 20px;
    font-family: 'PT Sans',Arial,sans-serif;
    line-height: 1.55;
    font-weight: 400;
    
}

.okved{
    color: #525252b8;
    text-decoration: underline;
    font-family: 'PT Sans',Arial,sans-serif;
}
/* slider */

.slider_content{
    position: relative;
    margin-bottom: 100px;
}
.mySlides {display: none}
  /* Next & previous buttons */
  .prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    background-color: rgb(0 0 0 / 20%);
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
  }
  
  /* Position the "next button" to the right */
  .next {
    right: 0;
    border-radius: 3px 0 0 3px;
  }
  
  /* On hover, add a black background color with a little bit see-through */
  .prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
  }
  
  .text_slider{
    font-family: 'Arial',Arial,sans-serif;
    font-size: 24px;
    color: #525252;
    padding: 8px 12px;
    position: absolute;
    bottom: -70px;
    width: 100%;
    text-align: center;
    font-weight: bold;
  }

  .img_slider{
    min-height: 675px;
  }
  /* Number text (1/3 etc) */
  .numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
    position: absolute;
    top: 0;
  }
  
  /* The dots/bullets/indicators */
  .dot {
    cursor: pointer;
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
  }
  
  .active, .dot:hover {
    background-color: #717171;
  }
  
  /* Fading animation */
  .fade {
    animation-name: fade;
    animation-duration: 1.5s;
  }
  
  @keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
  }


    /* On smaller screens, decrease text size */
    @media only screen and (max-width: 300px) {
    .prev, .next {font-size: 11px}
    }




    @media (max-width: 1200px) {

    }


    @media (max-width: 990px) {
        .nav_link {
            margin: 0 30px;
        }
        .img_slider {
            min-height: 505px;
        }

        .nav_contact {
            margin: 10px 30px;
        }
        .nav_contact_item {
            font-size: 14px;
            margin: 0 20px;
        }
    } 

    @media (max-width: 770px) {

        .logo {
            width: 70%;
            max-height: 100px;
            margin: 15px 20px;
        } 

        .nav_bottom{
            display: none;
            width: 100%;
            position: absolute;
            top: 0;
            left: 0;
            background-color: #f7f7f7;
        }
        .fixed .nav_contact{
            display: none;
        }
        .nav_bottom.active {
            display: block;
            border-radius: 7px;
        }
        .nav-toggle{
            display: block;
        }
        
        .nav_link {
            margin: 10px 30px;
        }

        .img_logo_sh {
            max-height: 40px;
        }

        .nav_top {
            display: block;
        }


        .nav_contact {
            display: flex;
            width: 100%;
            margin: 10px;
        }

        .nav_contact_item {
            margin: 0 25px;
        }

        .block_develop_item {
            /* display: block; */
            margin: 10px 20px;
        }

        .block_develop_icon {
            width: 40px;
            height: 40px;
        }

        .block_icon {
            margin-right: 5px;
            justify-content: start;
            margin-top: 10px;
        }

        .block_develop_text{
            font-size: 17px;
        }

        .caption {
            margin: 0 40px;
        } 

        .title_caption {
            font-family: 'PT Sans',Arial,sans-serif;
            text-align: center;
            font-size: 22px;
        }

        .block_contact_main {
            display: block;
            justify-content: space-between;
        }

        .block_contact {
            margin: 40px 20px;
        }
        .slider_content {
            margin: 0 10px 100px 10px;
        }
        .img_slider {
            min-height: 230px;
        }
    }

    @media (max-width: 575px) {
        
    }