/* Banner overlay */
#whatsapp-banner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
}

/* Modal box */
#whatsapp-banner-modal {
    background: #fff;
    max-width: 500px;
    width: 90%;
    border-radius: 8px;
    padding: 30px;
    position: relative;
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
    text-align: center;
}

/* Close button */
#whatsapp-banner-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #888;
}
#whatsapp-banner-close:hover {
    color: #333;
}

/* Content */
.whatsapp-banner-content h2 {
    margin-top: 0;
    color: #333;
}
.whatsapp-banner-description {
    margin: 20px 0;
    color: #666;
    line-height: 1.6;
}
.whatsapp-banner-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #25D366;
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}
.whatsapp-banner-button:hover {
    background-color: #128C7E;
    color: #fff;
}
.whatsapp-banner-button svg {
    width: 20px;
    height: 20px;
}