@media (max-width: 768px){
    /* header */
    .header-container{
        padding-top: 21px;
    }
    .header-logo{
        margin: 0 auto;
        margin-bottom: 30px;
    }
    .header-nav{
        display: flex;
        flex-direction: column;
    }
    .header-content{
        padding: 50px 10px 50px 10px;
    }
    .content-row-top{
        display: flex;
        flex-direction: column;
    }
    .header-title{
        font-size: 32px;
        text-align: center;
    }
    .header-subtitle{
        font-size: 16px;
        text-align: center;
        color: #000;
    }
    .btn-fill{
        margin: 0 0 20px 0;
    }
    .content-row-bottom{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    .card-item:last-child{
        margin-bottom: 0;
    }
    .card-item{
        width: 280px;

        margin-bottom: 30px;
        padding: 20px;
    }
    /* // header */
    .features-card-item{
        padding: 30px;
        margin: 0 30px 15px 30px;
    }
}
@media (min-width: 810px) {
    .subscribe-title{
        max-width: 266px;
    }
    .subscribe-body{
        display: flex;
        justify-content: space-between;
    }
    .consulting-container{
        display: flex;
        justify-content: space-between;
    }
}
@media (max-width: 810px) {
    /* subscribe */
    .subscribe-body{
        padding: 20px 15px;
    }
    .subscribe-title{
        margin: 0 0 20px 0;
    }
    /* // subscribe */
    /* contacts */
    .contacts{
        padding: 60px 0;
    }
    .contacts-main{
        padding: 0 15px;
    }
    .contacts-title{
        margin-bottom: 10px;
    }
    .contacts-cards{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
    }
    .contacts-card{
        margin-bottom: 30px;
    }
    .contacts-card:last-child{
        margin-bottom: 0;
    }
    /* // contacts */
    /* consulting */
    .consulting-container{
        text-align: center;
    }
    .consulting-main{
        margin: 0 0 30px 0;
    }
    /* // consulting */
    /* footer */
    .footer-row, .footer-row-bottom{
        display: flex;
        flex-wrap: wrap;
    }
    .footer-column{
        flex: 0 1 100%;
    }
    .footer-column:last-child{
        flex: 0 1 100%;
    }
    .footer-bottom{
        padding: 20px 15px;
    }
    .footer-copyright{
        margin-bottom: 15px;
    }
    /* // footer */
}
@media (max-width: 1140px){
    /* header */
    .header-container{
        padding: 30px 30px 45px 30px;
    }
    .header-content{
        padding-top: 60px;
    }
    .content-row-top a{
        margin: 0 auto;
        width: 200px;
        margin-bottom: 15px;
    }
    .content-row-bottom{
        margin: 60px 21px 0 21px
    }
    .card-item{
        width: 270px;
        padding: 27px;
    }
    .card-item-title{
        font-size: 21px;
    }
    .card-item-subtitle{
        font-size: 15px;
    }
    /* // header */
    .features{
        padding: 0 15px 30px 15px;
    }
    .features-title{
        font-size: 32px;
    }
    .features-subtitle{
        font-size: 16px;
    }
    .features-row-cards{
        display: flex;
        flex-direction: column;
    }
    .features-card-item{
        width: 300px;
        height: 250px;
        margin-bottom: 30px;
    }
    /* // features */

    /* advice */
    .advice{
        padding: 60px 15px 60px 15px;
    }
    .advice-row-cards{
        display: flex;
        align-items: center;
        flex-direction: column;
    }
    .advice-card{
        margin-bottom: 30px;
    }
    .advice-card:last-child{
        margin-bottom: 0;
    }
    .advice-title{
        font-size: 32px;
    }
    .advice-subtitle{
        font-size: 16px;
    }
    /* // advice */

    /* about */
    .about{
        padding: 60px 15px 45px 15px;
    }
    .about-title{
        font-size: 32px;
    }
    .about-subtitle{
        font-size: 16px;
        margin-bottom: 45px;
    }
    .about-row-bottom{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .about-col{
        margin-right: 0;
    }
    .about-text{
        font-size: 32px;
        text-align: center;
    }
    .about-discription{
        font-size: 16px;
        text-align: center;
        margin-bottom: 30px;
    }
    .about-image{
        width: 100%;
        margin-bottom: 30px;
    }
    .about-card{
        margin-bottom: 21px;
    }
    .about-card:last-child{
        margin-bottom: 0;
    }
    .about-card-subtitle{
        margin-bottom: 0;
    }
    /* // about */

}