/* Popup container */
.popup-overlay {
    position: fixed;
    left: 50%;
    bottom: -900px; /* Start completely off screen */
    transform: translateX(-50%);
    z-index: 9999;
    transition: bottom 0.8s ease-in-out;
}

/* Visible position */
.popup-overlay.show {
    bottom: 20px;
}

/* Popup styling */
.popup {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}