body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #072f52, #003a55);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.form-container {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0px 5px 20px rgba(0,0,0,0.2);
    width: 380px;
    text-align: center;
}

.form-container h2 {
    margin-bottom: 20px;
    color: #333;
}

label {
    display: block;
    text-align: left;
    margin-top: 10px;
    font-weight: bold;
    color: #444;
}

input[type="text"], input[type="email"], input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #4facfe;
    outline: none;
}

.captcha-box {
    margin-top: 15px;
    padding: 10px;
    background: #f1f9ff;
    border-radius: 10px;
    border: 1px solid #cce7ff;
}

.captcha-question {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: bold;
    color: #0077cc;
}

.btn-submit {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    background: #0c78d6;
    border: none;
    color: white;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #083c6d;
}