body {
    /* margin-top: 300px; */
    overflow-y: scroll;
    padding: 2em; /* Ajoute de la marge autour du contenu */
    font-family: Arial, sans-serif;
}

nav {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1em;
    background: rgba(0, 0, 0, 0.8);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
}

ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

ul li {
    margin: 0 1em;
}

ul li a {
    color: white;
    text-decoration: none;
}

ul li a:hover {
    text-decoration: underline;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
}

.hero-image {
    /* background: url('A realistic wide scene showing surveillance cameras.png') no-repeat center center; */
    background-size: cover;
    height: 500px;
    width: 100%;
    
    top: 0;
    left: 0;
    z-index: -1;
}



footer {
    padding: 2em; /* Ajoute de la marge interne au footer */
}

@media (max-width: 600px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }
    ul {
        flex-direction: column;
        align-items: flex-start;
    }
    ul li {
        margin: 0.5em 0;
    }
    ul li a {
        font-size: 20px !important; /* Forcer la taille de police */
        padding: 15px 25px !important; /* Forcer le padding */
    }
    /* body {
        margin-top: 350px;
    } */
}