@media (max-width: 479px) {

    :root {
        --font_size: 16px;
        --font_size_title: 32px;
    }
    .cont {
        padding: 0 15px;
    }
    .title {
        line-height: 35px;
    }
    .block {
        padding: 20px 0;
    }
    .advantages_items {
        display: none;
    }
    .advantages_slider {
        display: block;
    }
    .slider_item-img {
        position: relative;
    }
    .slider_item-img img {
        width: 100%;
    }
    .slider_item-img-logo {
        position: absolute;
        top: 67%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 85%;
    }
    .slider_item-title {
        margin-top: 25px;
        font-weight: 700;
        font-size: 24px;
        line-height: 31px;
        text-align: center;
    }
    .slider_item-text {
        margin-top: 11px;
        font-weight: 400;
        font-size: 16px;
        line-height: 25px;
        text-align: center;
    }
    .advantages_slider .slick-dots {
        display: flex;
        justify-content: center;
        list-style: none;
        margin-top: 30px;
    }
    .advantages_slider .slick-dots button {
        font-size: 0px;
    }
    .advantages_slider .slick-dots li {
        background: #C9C9C9;
        border-radius: 90px;
        width: 9px;
        height: 9px;
        margin-left: 8px;
        margin-right: 8px;
    }
    .advantages_slider .slick-dots .slick-active {
        background: #D8443C;
    }
    header {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .header_logo{
        width: calc(100% - 55px);
        order: -2;
    }

    .header_logo img {
        width: 100px;
    }
    .header-top{
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    .lang {
        width: 50px;
        order: -1;
        margin-left: 5px;
    }
    .callback_btn {
        height: 45px;
        line-height: 45px;
    }
    .first-section_title {
        font-size: 29px;
    }
    .first-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .header-contact .phone a {
        margin-right: 15px;
        margin-bottom: 0px;
        font-size: 17px;
    }
    .header-info_text {
        font-size: 17px;
    }
    .header-contact .callback_btn {
        width: 175px;
    }
    .header-info .callback_btn {
        height: 50px;
    }
    .header_email-text,
    .header_phone-text {
        font-size: 12px;
    }
    .header_email-icon, 
    .header_phone-icon {
        margin-right: 5px;
        width: 30px;
        height: 30px;
    }
    .header_logo span {
        font-size: 10px;
    }
    .title::before {
        bottom: -12px;
    }
    .services_items {
        margin-left: 0;
        margin-bottom: -20px;
    }
    .services_items > * {
        width: 100%;
        margin-left: 0;
        margin-bottom: 27px;
    }
    .footer_logo img {
        width: 40%;
    }
    .footer-contact .phone a {
        font-size: 20px;
        line-height: 28px;
    }
    .footer-contact .email a {
        line-height: 40px;
    }
    .modal {
        padding: 35px;
        background: #FFFFFF;
        box-shadow: 5px 15px 40px rgba(30, 35, 66, 0.15);
    }
    .modal_title {
        font-size: 22px;
        line-height: 127.8%;
        margin-top: 20px;
    }
    .modal_text {
        font-size: 18px;
        line-height: 127.8%;
        margin-top: 10px;
    }


 

}