#investment-form-container {
    max-width: 450px;
    margin: 30px auto;
    padding: 25px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 12px;
    font-family: 'Segoe UI', sans-serif;
}
#investment-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}
#investment-form button {
    width: 100%;
    padding: 12px;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}
#investment-form button:hover {
    background-color: #005177;
}
#form-response {
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
}