.header-promo {
    background-color: rgba(0, 0, 0, 0.8);
}
header nav {
    width: 1140px;
    display: flex;
    justify-content: space-around;
}
header nav a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    line-height: 27px;
    transition: all 0.5s ease;
}
header nav a:hover {
    opacity: 0.5;
}
header .client-button {
    display: none;
    width: 125px;
    border: 1px solid #fff;
    font-size: 11px;
    line-height: 14px;
    padding: 6px 0;
    border-radius: 667px;
    text-align: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.5s ease;
}
header .client-button:hover {
    color: #1A191D;
    background-color: #fff;
}
header .client-button:active {
    color: #1A191D;
    background-color: #fff;
    opacity: 0.5;
}


@media (max-width: 1440px) {
    header {
        height: 64px;
        padding: 12px 0;
    }
    header .container {
        width: 90%;
        max-width: 888px;
        height: 40px;
    }
    header .logo {
        width: 128px;
        height: 40px;
    }
    header .logo img {
        height: 100%;
    }
    .burger-container {
        zoom: 0.5;
    }

    header nav { display: none}
    header .client-button { display: block }
}
@media (max-width: 800px) {
    header {
        padding: 20px 0;
        height: 72px;
    }
    .header-promo {
        background-color: #1A191D;
    }
    header .container {
        width: 90%;
        max-width: 311px;
        height: 32px;
    }
    header .logo, header .burger-container {
        height: 32px;
    }
    header .client-button {
        display: none;
    }
}