* {    box-sizing: border-box;    margin: 0;    padding: 0;    font-family: Arial, sans-serif;}body {    background-color: #f4f4f4;    color: #333;    display: flex;    justify-content: center;    align-items: center;    height: 100vh;    padding: 20px;}.container {    background-color: #fff;    border-radius: 10px;    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);    padding: 30px;    width: 100%;    max-width: 600px;}h1 {    text-align: center;    margin-bottom: 20px;    color: #007bff;}label {    font-weight: bold;    margin-bottom: 5px;    display: block;}input[type="text"],input[type="tel"],input[type="number"],select {    width: 100%;    padding: 10px;    margin-bottom: 15px;    border: 1px solid #ccc;    border-radius: 5px;    transition: border-color 0.3s;}input[type="text"]:focus,input[type="tel"]:focus,input[type="number"]:focus,select:focus {    border-color: #007bff;    outline: none;}button {    background-color: #007bff;    color: #fff;    padding: 10px;    border: none;    border-radius: 5px;    cursor: pointer;    font-size: 16px;    transition: background-color 0.3s;    width: 100%;}button:hover {    background-color: #0056b3;}.result {    margin-top: 20px;    padding: 15px;    border: 1px solid #007bff;    border-radius: 5px;    background-color: #e7f1ff;}.error {    margin-top: 10px;}.note {    margin-top: 20px;    font-size: 14px;    color: #555;}.note p {    margin: 5px 0;}#whatsappLink {    margin-top: 20px;    text-align: center;}#whatsapp {    background-color: #25D366;    color: #fff;    padding: 10px 20px;    border-radius: 5px;    text-decoration: none;}#whatsapp:hover {    background-color: #128C7E;}