<header class="header">
    <div class="site-branding">
        <a href="#" class="custom-logo-link" rel="home">1</a>
    </div>
    <nav id="site-navigation" class="main-navigation">
        <div class="menu-menu-1-container">
            <ul id="primary-menu" class="menu">
                <li id="menu-item-10" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-10">
                    <a href="#" aria-current="page">Главная</a>
                </li>
                <li id="menu-item-12" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-12">
                    <a href="/#services" aria-current="page">Услуги</a></li>
                <li id="menu-item-11" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-11"><a href="#/сontacts/">Контакты</a></li>
            </ul>
        </div>
    </nav>
    <div class="burger">
        <div class="line line1"></div>
        <div class="line line2"></div>
        <div class="line line3"></div>
    </div>
</header>
<div class="hero">
</div>

  * {
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            -webkit-box-sizing: border-box;
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            position: relative;
            font-family: 'Roboto', sans-serif;
        }

        h3 {
            padding: 0 0 2em;
            text-align: center;
            font-size: 1.5em;
            font-weight: 700;
            text-transform: uppercase;
        }
        ul {
            margin: 0;
            padding: 0;
        }
        li {
            list-style-type: none;
        }
        a {
            text-decoration: none;
            color: #000;
        }
        img  {
            width: 100%;
        }
        /* header */
        .header {
            position: fixed;
            width: 100%;
            padding: 0.5em 4em;
            background: #0000008a;
            z-index: 2;
        }
        .header-bg {
            position: fixed;
            width: 100%;
            padding: 0.5em 4em;
            background: #0000008a;
            z-index: 2;
            background: red;
        }

        .site-branding {
            display: inline-block;
        }
        .site-branding img {
            width: 185px;
            height: 47px;
        }
        nav#site-navigation {
            display: flex;
            align-items: center;
            float: right;
        }
        ul#primary-menu {
            display: flex;
        }
        ul#primary-menu li {
            padding: 0.5em;
            font-size: 1.3em;
        }
        ul#primary-menu li a {
            color: #fff;
        }
        .header-phone {
            padding: 0.5em;
            text-align: center;
        }
        .header-phone a {
            font-size: 1.3em;
            color: #fff;
        }
        /* .header:has( .active ) {
               background-color: #24252a;
        } */
        /* burger */
        .main-navigation {
            transition: all .6s ease-in-out;
        }
        .main-navigation.active {
            left: 0;
        }
        .burger {
            display: none;
        }
        .burger-open {
            display: block;
        }
        .line {
            width: 35px;
            height: 5px;
            background-color: #fff;
            margin-bottom: 5px;
            border-radius: 5px;
        }
        /* hero */
        .hero {
            height: 100vh;
            wight: 100%;
            background: url(https://www.ejin.ru/wp-content/uploads/2017/09/1-716.jpg);
        }
        @media only screen and (max-width: 900px) {
            .main-navigation {
                display: block!important;
                position: absolute;
                top: 4rem;
                left: -100%;
                width: 100%;
                height: 100vh;
                background-color: #24252a;
            }
            .main-navigation ul {
                flex-direction: column;
                align-items: center;
                justify-content: center;
            }
            .main-navigation ul li {
                padding: 1em;
                width: 100%;
                font-size: 2em;
                text-align: center;
            }
            .main-navigation ul li a {
                display: block;
            }
            .burger {
                display: inline-block;
                padding-top: 0.8em;
                float: right;
                cursor: pointer;
            }
        }
        /* responsive */
        @media (max-width: 900px) {
            .header-phone {
                padding: 1em 0.5em;
                font-size: 1.5em;
                text-align: center;
            }
            ul#primary-menu li {
                padding: 1em 0.5em;
                font-size: 2em;
            }
        }

    document.querySelector('.custom-logo-link').addEventListener('click', (e) => {
        e.preventDefault();
        document.querySelector('.main-navigation').classList.toggle('active');
        document.querySelector('.header').classList.toggle("header-bg");
        document.querySelector('.burger').classList.toggle("burger-open")
    });