@media screen and (max-width: 1280px) {
    .header__logo img {
        max-width: 136px;
    }
    .header .header__slogan {
        max-width: calc(100% - 238px);
        margin-left: 78px;
        font-size: 2.75rem;
    }
    .description .w1400 {
        padding-left: 234px;
    }
    .contact {
        padding: 4.5rem;
    }
}

@media screen and (max-width: 1100px) {
    .header .header__slogan {
        font-size: 2rem;
    }
    .description {
        margin-top: 5rem;
    }
    .description .w1400 {
        padding-left: 15px;
    }
    ul.clients__list {
        padding: 2rem 3rem;
    }
}
@media screen and (max-width: 900px) {
    .header {
        padding-top: 2.5rem;
    }
    .header .header__nav {
        top: -40px;
    }
    .header .header__logo img,
    body.header__fixed .header .header__logo img {
        width: 110px;
      }
    .header .header__slogan {
        display: block;
        max-width: 100%;
        padding: 3rem 0;
        margin: 0;
    }
    .description {
        margin-top: 0;
        margin-bottom: 3rem;
    }
    .description .description__intro {
        display: block;
        width: 100%;
        min-height: auto;
        border-left: none;
        border-top: 1px solid #000;
        padding: 3rem 0;
    }
    .description .description__list {
        display: block;
        max-width: 100%;
        min-height: auto;
        border-left: none;
        border-top: 1px solid #000;
        padding: 3rem 0 0;
    }
    .projects {
        margin-bottom: 3rem;
    }
    .clients {
        margin-bottom: 3rem;
        padding-bottom: 4.5rem;
    }
    .mention{
        padding: 2rem 1rem 2rem 2rem;
    }
    
    .acces__block{
        top: -40px;
    }
}
@media screen and (max-width: 600px) {
    ul.clients__list {
        padding: 1rem;
    }
    .contact {
        padding: 3rem 0;
    }
    .goUp {
        right: 15px;
        bottom: 45px;
    }
    .footer__nav__ul,
    .footer__nav__social{
        display: block;
        width: 100%;
        text-align: center;
    }
    ul.footer__nav__social{
        margin: 0.875rem 0 1.25rem;
    }
    .header .header__logo img,
    body.header__fixed .header .header__logo img {
        width: 100px;
      }
    .header .header__slogan {
        padding: 2rem 0;
    }
    .description {
        margin-bottom: 2rem;
    }
    .description .description__intro {
        padding: 2rem 0;
    }
    .description .description__list {
        padding: 2rem 0 0;
    }
    .projects {
        margin-bottom: 2rem;
    }
    .clients {
        margin-bottom: 2rem;
        padding-bottom: 3.5rem;
    }
}
@media screen and (max-width: 480px) {
    .description {
        font-size: 1.25rem;
        line-height: 2rem;
    }
    .description .description__list li:not(:last-child){
        margin-bottom: 1.75rem;
    }
    .section__title {
        font-size: 1.75rem;
    }
    .clients .w1400 {
        padding: 4.75rem 15px 0 0;
      }
    .projects__project__title {
        font-size: 1rem;
        line-height: 1.5rem;
    }
    .contact__info{
        font-size: 0.875rem;
    }
    .mention p{
        font-size: 0.875rem;
    }
}