body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.sales-funnel-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.popup-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.close-button {
    float: right;
    font-size: 24px;
    cursor: pointer;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin: 10px 0 5px;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

input[type="checkbox"] {
    margin-right: 5px;
}

button {
    padding: 10px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #218838;
}