body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4; /* Gris clair */
}
header {
    background: #006d77; /* Vert profond */
    color: white;
    text-align: center;
    padding: 20px 10px;
    position: sticky;
    top: 0;
    z-index: 10;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
header h1 {
    margin: 0;
    font-size: 24px;
}
header .phone {
    font-size: 20px;
    margin-top: 5px;
    background: #023047; /* Bleu marine */
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
}
nav {
    background: #83c5be; /* Vert clair */
    width: 200px;
    height: 100vh;
    position: fixed;
    top: 100px;
    padding: 10px 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}
nav a {
    display: block;
    text-decoration: none;
    color: #333;
    padding: 10px 20px;
    margin: 10px 0;
    font-weight: bold;
    font-size: 18px;
    background: #edf6f9; /* Blanc cassé */
    border-radius: 5px;
    transition: background 0.3s ease;
}
nav a:hover {
    background: #006d77; /* Vert profond */
    color: white;
}
main {
    margin-left: 220px;
    padding: 0;
    flex: 1;
}
section {
    margin: 0;
    padding: 20px;
    background: white;
    text-align: center;
}
img.full-width {
    width: 100%;
    height: auto;
    display: block;
}
footer {
    background: #006d77; /* Vert profond */
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 14px;
}
.keywords {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}
.keywords div {
    background: #006d77; /* Vert profond */
    color: white;
    padding: 10px 15px;
    margin: 10px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: bold;
}
@media (max-width: 768px) {
    nav {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
    }
    main {
        margin-left: 0;
    }
}