meu menu não abre | CSS: dispondo elementos com Flexbox e Grid

<!DOCTYPE html>
<html lang="pt-br">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HZC Home</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap">
    <link rel="stylesheet" href="assets/css/reset.css">
    <link rel="stylesheet" href="assets/css/estilos.css">
</head>
<body>
    <header class="cabecalho">
        <button class="cabecalho__menu" aria-label="Menu"><i></i></button>
        <img src="assets/img/logo.svg" alt="Logotipo da HZC" class="cabecalho__logo"> 
        <button class="cabecalho__notificacao" aria-label="Notificação"><i></i></button>
    </header>
    <nav class="menu-lateral">
        <img src="assets/img/logo.svg" alt="Logotipo da HZC" class="menu-lateral__logo">
        <a href="#" class="menu-lateral__link menu-lateral__link--inicio menu-lateral__link--ativo">Início</a>
        <a href="#" class="menu-lateral__link menu-lateral__link--videos">Vídeos</a>  
        <a href="#" class="menu-lateral__link menu-lateral__link--picos">Picos</a>  
        <a href="#" class="menu-lateral__link menu-lateral__link--integrantes">Integrantes</a>  
        <a href="#" class="menu-lateral__link menu-lateral__link--camisas">Camisas</a>  
        <a href="#" class="menu-lateral__link menu-lateral__link--pinturas">Pinturas</a>     
    </nav>
    <script src="index.js"></script>   
</body>
</html

@font-face {
    font-family: 'icones';
    src: url(../font/icones.ttf);
}



body{
    background-color: #1D232A;
    font-family: 'open sans','icones',sans-serif;
    color: #ffffff;
}

.cabecalho{
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #15191C;
    padding: 8px 16px;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.16) ;
}

.cabecalho__menu i::before { 
    content: "\e904";
    font-size: 27px;
}

.cabecalho__notificacao i::before{
    content: "\e906";
    font-size: 27px; 
}

.cabecalho__logo{
    width: 45px;
}

.menu-lateral{
    display: flex;
    flex-direction: column;
    background-color: #15191C;
    width: 75vw;
    height: 100vh;
    position: absolute;
    left: -100vw;
    transition: .25s;
}

.menu-lateral--ativo{
left:0;
}

.menu-lateral__logo{
    width: 118px;
    align-self: center;
    padding: 16px;
}

.menu-lateral__link{
    height: 64px;
    color: #95999C;
    padding-left: 64px;
    display: flex;
    align-items: center;
}

.menu-lateral__link--ativo{
    color: #ffffff;
    padding-left: 56px;
    border-left: 8px solid #ffffff;


}

.menu-lateral__link::before{
    content:"";
    width: 24px;
    height: 24px;
    font-size: 24px;
    position: absolute;
    left: 24px;

}


.menu-lateral__link--inicio::before{
    content:"\e902";

}

.menu-lateral__link--videos::before{
    content: "\e90e";

}

.menu-lateral__link--picos::before{
   content: "\e909"; 
}

.menu-lateral__link--integrantes::before{
    content: "\e903";
}

.menu-lateral__link--camisas::before{
    content: "\e900";
}

.menu-lateral__link--pinturas::before{
    content: "\e90a";
}

const botaoMenu = document.querySelector('.cabecalho__menu')
const menu = document.querySelector('.menu-lateral')

botaoMenu.addEventListener('clic', () =>{
    menu.classList.toggle('menu-lateral--ativo')
})

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