body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
header h1 {
    margin: 0;
    font-size: 2.5em;
}
header p {
    font-size: 1.2em;
    color: #555;
}
.btn {
    background-color: #25D366; /* Couleur WhatsApp */
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}
section {
    padding: 40px 20px;
    text-align: center;
}
.services, .tarifs {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.service, .tarif {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    flex: 1 1 300px;
}
footer {
    background-color: #fff;
    text-align: center;
    padding: 20px;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}
.contact-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.contact-form input, .contact-form select {
    margin: 10px 0;
    padding: 10px;
    width: 80%;
    max-width: 400px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
.whatsapp-btn {
    background-color: #25D366;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}