body {
    font-family: Arial, sans-serif;
    background: #FFD700;
    margin: 0;
    padding: 0;
    color: #000;
}
.container {
    max-width: 600px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
}
header {
    text-align: center;
    margin-bottom: 20px;
}
header img {
    max-width: 200px;
}
header h1 {
    font-size: 18px;
    color: #000;
}
h2 {
    text-align: center;
    color: #000;
}
input, textarea {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    width: 100%;
    padding: 10px;
    background: #000;
    color: #FFD700;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}
button:hover {
    background: #333;
}
.whatsapp-btn {
    display: block;
    margin-top: 10px;
    background: #25D366;
    color: white;
    padding: 10px;
    border-radius: 50px;
    text-align: center;
    font-weight: bold;
    text-decoration: none;
}
.whatsapp-btn:hover {
    background: #1ebe5c;
}
footer {
    text-align: center;
    margin-top: 20px;
}
footer a {
    color: #000;
    text-decoration: none;
    font-weight: bold;
}
.success {
    color: green;
    text-align: center;
}
.error {
    color: red;
    text-align: center;
}