.div_full_page_about{
    float: left;
    width: 100%;
}
.site-about {
    font-size: 18px;
}
.site-about .header_block{
    display: flex;
    flex-wrap: wrap;
    position: relative;
    padding: 60px 0 100px 0;
}

.site-about .header_block .bcg_black_left{
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 100%;
    background: #0f0f0f;
}
.site-about .header_block .bcg_img_right{
    display: flex;
    flex-wrap: wrap;
    width: 55%;
    height: 100%;
    background-image: url('/img/landing/about/photo.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: absolute;
    top: 0;
    right: 0;
}

.site-about .header_block .text_block{
    display: flex;
    flex-direction: column;
    width: 40%;
    color: #fff;
    position: relative;
    z-index: 10;
    font-size: 22px;
    line-height: 1.55;
}
.site-about .header_block .text_block h1{
    font-size: 52px;
    line-height: 1.23;
    margin-bottom: 40px;
}
.site-about .header_block .text_block ul{
    margin: 20px 0;
    font-size: 18px;
}
.site-about .button_wrapper{
    margin-top: 30px;
}
.site-about button{
    color: #ffffff;
    background-color: #1f5bff;
    width: 100%;
    max-width: 220px;
    padding: 12px;
    border: none;
    outline: none;
    box-shadow: none;
    font-size: 16px;
    font-weight: 500;
}

/**
Стек технологий
 */
.site-about .stack_tehnology{
    padding: 50px 0;
}
.site-about h2{
    font-size: 42px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 40px;
}
.site-about .list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.site-about .list .item{
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    width: 40%;
    margin-bottom: 40px;
    position: relative;
}
.site-about .list .item.check_blue{
    padding-left: 60px;
}
.site-about .list .item.check_blue:before{
    content: '';
    width: 40px;
    height: 40px;
    background: url('/img/icons/check-blue.svg') no-repeat;
    position: absolute;
    top: 0;
    left: 0;
}
.site-about .list .item .zag{
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 15px;
}


.site-about .coursers_wrapper {
    background: #f2f2f2;
    padding: 100px 0;
}

.site-about .coursers_wrapper .h2_zag{
    text-align: center;
    font-size: 22px;
    max-width: 500px;
    margin: 0 auto;
    margin-bottom: 15px;
}
.site-about .coursers_wrapper .list{
    margin-top: 50px;
}
.site-about .list .item{
    width: 48%;
}
.site-about .coursers_wrapper .list .item .img{
    position: relative;
    width: 100%;
    height: 400px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}
.site-about .coursers_wrapper .list .item .img a{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.site-about .coursers_wrapper .list .item .desc {
    padding: 30px 0 70px 0;
}
.site-about .coursers_wrapper .list .item .desc .title{
    font-weight: 700;
    margin-bottom: 20px;
    min-height: 52px;
}

.site-about .coursers_wrapper .list .item a.more{
    display: inline-block;
    background: #000;
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    position: absolute;
    bottom: 0;
    left: 0;
}


.site-about .contact_message_wrapper .list {
    justify-content: flex-start;
}
.site-about .contact_message_wrapper .list .item{
    margin-bottom: 0;
    width: 50%;
}
.site-about .contact_message_wrapper .list .item.bcg{
    background: url('/img/landing/about/pk-vertical.webp');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}
.site-about .contact_message_wrapper .list .item.form{
    text-align: left;
    padding-left: 40px;
    background: #efefef;
}
.site-about .contact_message_wrapper .list .item.form .form_contact{
    max-width: 600px;
    padding: 50px 0;
}
.site-about .contact_message_wrapper .list .item.form .form_contact h2{
    text-align: left;
    margin-bottom: 20px;
}
.site-about .contact_message_wrapper .list .item.form .form_contact .fields{
    margin-top: 20px;
}
.site-about .contact_message_wrapper .list .item.form .form_contact .fields input, .site-about .contact_message_wrapper .list .item.form .form_contact .fields textarea{
    width: 100%;
    margin-bottom: 30px;
    border: none;
    box-shadow: none;
    background: none;
    color: #000000;
    border-bottom: 1px solid #b3b3b3;
    outline: none;
    height: 60px;
    padding: 20px;
}
.site-about .contact_message_wrapper .list .item.form .form_contact .fields textarea{
    height: auto;
    min-height: 150px;
    min-width: 100%;
    max-width: 100%;
}


@media(max-width:1150px) {
    .site-about .header_block .bcg_black_left, .site-about .header_block .text_block{
        width: 60%;
    }
    .site-about .header_block .bcg_img_right{
        width: 40%;
    }
}

@media(max-width:767px) {
    .site-about .header_block .bcg_black_left, .site-about .header_block .text_block, .site-about .list .item, .site-about .contact_message_wrapper .list .item.form{
        width: 100%;
    }
    .site-about .header_block .bcg_img_right, .site-about .contact_message_wrapper .list .item.bcg{
        display: none;
    }
}