.jlwp-whatsapp-button {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .20);
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}

.jlwp-whatsapp-button:hover,
.jlwp-whatsapp-button:focus {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 10px 28px rgba(0, 0, 0, .25);
}

.jlwp-whatsapp-button:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 3px;
}

.jlwp-whatsapp-button img {
    display: block;
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
}

@media (max-width: 767px) {
    .jlwp-whatsapp-button {
        right: 18px;
        bottom: 18px;
        width: 54px;
        height: 54px;
    }

    .jlwp-whatsapp-button img {
        width: 26px;
        height: 26px;
    }
}