/* Général */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f2f2f2;
}

main {
    max-width: 1000px;
    margin: auto;
}

/* En-tête */
header {
    position: relative;
    background-color: #2f3e4e;
    color: white;
    text-align: center;
    padding: 25px 10px;
}

/* Logo */
.logo {
    position: absolute;
    top: 15px;
    left: 20px;
    width: 140px;
    border-radius: 12px;
    background-color: white;
    padding: 5px;
}

/* Navigation */
nav ul {
    list-style: none;
    background-color: #34495e;
    margin: 0;
    padding: 10px;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 0 10px;
}

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

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

/* Bouton menu mobile */
#menu-btn {
    display: none;
    background-color: #34495e;
    color: white;
    border: none;
    padding: 10px;
    width: 100%;
    font-size: 18px;
}

/* Sections */
section {
    background-color: white;
    margin: 20px;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Images */
section img {
    float: left;
    margin-right: 30px;
    margin-bottom: 15px;
    border-radius: 10px;
}

/* Titres */
h1 {
    font-size: 32px;
    font-weight: bold;
}

h2 {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    border-left: 5px solid #3498db;
    padding-left: 10px;
    margin-top: 0;
}

/* Texte */
p, li {
    font-size: 17px;
    line-height: 1.6;
}

ul {
    padding-left: 20px;
}

/* Tableau */
table {
    border-collapse: collapse;
    margin-top: 10px;
}

table th {
    background-color: #3498db;
    color: white;
    padding: 6px 10px;
}

table td {
    padding: 6px 10px;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
}

/* Clear float */
section::after {
    content: "";
    display: block;
    clear: both;
}

/* Mobile */
@media screen and (max-width: 600px) {

    .logo {
        width: 90px;
    }

    #menu-btn {
        display: block;
    }

    #menu {
        display: none;
    }

    #menu li {
        display: block;
        margin: 10px 0;
    }

    nav ul li {
        display: block;
        margin: 5px 0;
    }

    section img {
        float: none;
        display: block;
        margin: 0 auto 15px auto;
    }
}

/* Menu mobile ouvert */
#menu.open {
    display: block;
}