*{
    box-sizing: border-box;
    -moz-box-sizing: border-box; /*Firefox 1-3*/
    -webkit-box-sizing: border-box; /* Safari */
}
html{
    height: 100%;
}
body{
    padding: 0;
    margin: 0;
    height: 100%;

    font-family: 'Tahoma';
    font-size: 14px;
    color: #3f3f3f;
}

.clear{
    clear: both;
}

.header_wrapper{
    background-image: url('images/header_bg.png');
    background-position: 50% 50%;
    background-repeat: no-repeat;
    height: 500px;
    background-size: cover;
    padding-top: 100px;
}
.header__fixed{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}
.header__fixed__fixed{
    background: rgba(11,10,9,0.8);
}
.header{
    position: relative;
    margin: 0 auto;
    width: 1200px;
    height: 110px;
}
.header__logo{
    float: left;
    padding-top: 24px;
    margin-left: 40px;
}
.header__logo img{
    text-decoration: none;
}
.header__menu{
    float: left;
    padding-top: 52px;
    margin-left: 28px;
    width: 430px
}
.header__menu ul{
    text-align: justify;
    list-style: none;
    padding: 0;
    margin: 0;
    height: 30px;
}
.header__menu ul:after{
    content: " ";
    margin-left: 100%;
    display: inline-block;
}
.header__menu ul li{
    display: inline;
    position: relative;
}
.header__menu ul li a{
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    position: relative;
    font-size: 13px;
    text-transform: uppercase;
}
.top_menu_big ul li a:hover{
    color: #ffb800;
    text-decoration: underline;
}


.header__contacts{
    float: right;
    margin-right: 20px;
    padding-top: 36px;
}
.header__contacts__phone{
    display: block;
    color: #ffffff;
    font-size: 18px;
    text-decoration: none;
    padding-left: 25px;
    background: url('images/icon_phone.png') 0 50% no-repeat;
    padding-bottom: 4px;
}
.header__contacts__email{
    display: block;
    color: #ffffff;
    font-size: 15px;
    text-decoration: none;
    padding-left: 25px;
    background: url('images/icon_mail.png') 0 50% no-repeat;
}


.header__call{
    float: right;
    padding-top: 36px;
    margin-right: 50px;
}
.header__call_btn{
    font-weight: bold;
    color: #3f3f3f;
    font-size: 12px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    height: 43px;
    padding: 13px 12px 0 12px;
    text-transform: uppercase;
    background: #ffb800;
}


.top_baner_block{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    text-align: right;
}
.top_baner_block__text{
    padding-top: 75px;
    font-weight: bold;
    font-size: 28px;
    color: #ffffff;
    line-height: 1.4;
}
.top_baner_block__text span{
    color: #ffb800;
}
.top_baner_block__text2{
    font-size: 16px;
    color: #ffffff;
    padding-top: 30px;
}
.top_baner_block__btn{
    padding-top: 40px;
}
.top_baner_block__btn a{
    font-weight: bold;
    color: #3f3f3f;
    font-size: 12px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    height: 43px;
    padding: 13px 12px 0 12px;
    text-transform: uppercase;
    background: #ffb800;
}
.advantage__wrapper{
    background-image: url('images/advantage_bg.png');
    background-position: 100% 50%;
    background-repeat: no-repeat;
}
.advantage{
    position: relative;
    margin: 0 auto;
    width: 1200px;
    
    
    
}
.advantage__data{
    width: 600px;
    padding-top: 60px;
    margin-left: 50px;
}
.advantage__title{
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
}
.advantage__title span{
    color: #ffab00;
}
.advantage__main_text{
    padding-top: 28px;
    padding-bottom: 20px
}
.advantage__list{
    padding-bottom: 15px;
}
.advantage__list__greed{
    float: left;
    width: 33.33333333%;
    padding: 30px 0 30px 0;
}
.advantage__list__item{}
.advantage__list__item__picture{
    float: left;
}
.advantage__list__item__name{
    line-height: 1.3;
    font-size: 15px;
    padding-left: 46px;
}


.for_test_wrapper{
    width: 100%;
    background-image: url('images/for_test.png');
    background-position: 50% 50%;
    background-repeat: no-repeat;
    height: 480px;
    background-size: cover;
    position: relative;
}

.for_test{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-top: 330px;
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
    color: #ffffff;
    line-height: 1.4;
}
.for_test span{
    color: #ffb800;
}
.our_projects{
    width: 1200px;
    position: relative;
    margin: 0 auto;
}
.our_projects__title{
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
    padding-top: 50px;
    width: 1100px;
    position: relative;
    margin: 0 auto;
}
.our_projects__title span{
    color: #ffab00;
}

.our_projects__list{
    width: 1110px;
    position: relative;
    margin: 0 auto;
    padding-top: 45px;
    padding-bottom: 75px;
}
.our_projects__greed{
    float: left;
    width: 33.33333333%;
    padding: 5px;
}
.our_projects__item{
    
}
.our_projects__item__picture{
    height: 260px;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: cover;
}
.our_projects__item__name{
    margin-top: 25px;
    border-left: 10px solid #ffb800;
    font-weight: bold;
    font-size: 20px;
    line-height: 1.3;
    padding-left: 18px;
}
.our_projects__item__name span{
    color: #ffb800;
}

.our_clients{
    
}
.our_clients__title{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-bottom: 25px;
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
}
.our_clients__title span{
    color: #ffab00;
}
.our_clients__slider__wrapper{
    background: #eeeeee;
    padding: 10px 0;
    border-top: 1px solid #aaaaaa;
    border-bottom: 1px solid #aaaaaa;
}
.our_clients__slider{
    width: 1100px;
    position: relative;
    margin: 0 auto;
}

.our_clients__slider__greed{
    width: 25%;
    float: left;
    height: 135px;
    margin-top: 5px;
    

    background-position: 50% 50%;
    background-repeat: no-repeat;
}

.our_partners{
    
}
.our_partners__title{
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-top: 50px;
}
.our_partners__title span{
    color: #ffab00;
}
.our_partners__slider__wrapper{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-top: 50px;
    padding-bottom: 40px;
}
.our_partners__slider{
    height: 130px;
    
}
.our_partners__slider__slide{
    outline: none;
    text-align: center;
}
.our_partners__slider__slide__picture{
    height: 130px;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-size: 80%;
    
}
.our_partners__slider__slide img{
    max-width: 260px;
    margin: 0 auto;
}

.sertificates{
    
}
.sertificates__title{
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-bottom: 25px;
}

.sertificates__slider__block{
    background: #eeeeee;
    padding: 10px 0;
    border-top: 1px solid #aaaaaa;
    border-bottom: 1px solid #aaaaaa;
}


.sertificates__slider__wrapper{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding-top: 30px;
    padding-bottom: 30px;
}
.sertificates__slider{}
.sertificates__slider__slide{
    outline: none;
}
.sertificates__slider__slide img{
    max-width: 260px;
    margin: 0 auto;
}

.contact_form{
    
}
.contact_form__title{
    font-weight: bold;
    font-size: 28px;
    text-transform: uppercase;
    padding-top: 50px;
    width: 1100px;
    position: relative;
    margin: 0 auto;
}
.contact_form__title span{
    color: #ffab00;
}
.contact_form__title__info{
    font-size: 15px;
    font-weight: normal;
    padding-top: 4px;
    text-transform: none;
}

.contact_form__form{
    width: 1100px;
    position: relative;
    margin: 0 auto;
    padding: 35px 0 55px 0;
}

.form_input_text{
    width: 310px;
    height: 54px;
    border: 1px solid #a8a8a8;
    font-size: 15px;
    float: left;
    margin: 25px 30px 0 0;
    padding-left: 20px;
    overflow: hidden;
    
}
.form_input_text__error{
    border-color: red;
}
.form_input_text__file{
    padding: 0;
    outline: none;
    position: relative;
    background-image: url('images/form_input_file.png');
    background-position: 90% 50%;
    background-repeat: no-repeat;
    cursor: pointer;
}
.form_input_text input{
    height: 54px;
    width: 100%;
    outline: none;
    opacity: 0;
    top: 0;
    left: 0;
    position: relative;
    z-index: 10;
}
.form_input_text__file__text{
    color: #3f3f3f;
    font-size: 15px;
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 20px;
    margin-top: -9px;
    height: 18px;
}

.form_input__textarea{
    margin-top: 25px;
    width: 650px;
}
.form_input__textarea textarea{
    display: block;
    width: 100%;
    height: 120px;
    outline: none;
    padding: 20px;
    font-family: 'Tahoma';
    font-size: 14px;
}

.contact_form__form__footer{
    padding-top: 20px;
}
.contact_form__form__footer input{
    font-weight: bold;
    color: #3f3f3f;
    font-size: 12px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    height: 43px;
    padding: 3px 42px 0 42px;
    text-transform: uppercase;
    background: #ffb800;
    outline: none;
    border: none;
    cursor: pointer;
}

.footer_contacts__wrapper{
    background: #eeeeee;
    border-top: 1px solid #aaaaaa;
    
}
.footer_contacts{
    position: relative;
    margin: 0 auto;
    max-width: 1100px;
    width: 96%;
    padding-bottom: 25px;
}
.footer_contacts__block{
    padding: 25px 0 0 0;
}
.footer_contacts__block_title{
    padding-bottom: 12px;
    font-size: 15px;
}
.footer_contacts__block_content{
    line-height: 1.5;
}
.footer_contacts__block_content a{
    text-decoration: none;
    color: #000000;
    
}




.slick-arrow{
    display: none !important;
    font-size: 0;
    line-height: 0;

    position: absolute;
    top: 0;
    background-color: rgba(0,0,0,0.2);
    background-repeat: no-repeat;


    z-index: 10;
    width: 50px;
    height: 100%;
    padding: 0;

    cursor: pointer;
    
    border: none;
    outline: none;
}
.slick-prev{
    left: 0;
    background-image: url('images/slick_prev_arr.png');
    background-position: 50% 50%;
}
.slick-next{
    right: 0;
    background-image: url('images/slick_next_arr.png');
    background-position: 50% 50%;
}
.slick-slider:hover .slick-arrow{
    display: block !important;
}

 ul.slick-dots{
    position: absolute;
    left: 30px;
    bottom: 90px;
    list-style: none;
    margin: 0;
    padding: 0;
}
ul.slick-dots li{
    float: left;
}
ul.slick-dots li button{
    display: block;
    width: 10px;
    height: 10px;
    background: rgba(0,0,0,0.9);
    border-radius: 50%;
    outline: none;
    border: 0;
    font-size: 0;
    line-height: 0;
}

.header_mobile_menu{
    display: none;
}
.mobile_menu_block{
    display: none;
}