body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    line-height: 1.5;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

section {
    max-width: 600px;
    margin: 0 auto 40px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, textarea, button {
    padding: 10px;
    font-size: 16px;
}

button {
    cursor: pointer;
}

.whatsapp-btn {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 15px;
    background: #25D366;
    color: white;
    text-decoration: none;
}