.whatsapp-sticky-button {
    position: fixed;
    right: 14px;
    bottom: 14px;
    z-index: 10007;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25d366;
    color: #ffffff;
    border-radius: 999px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.whatsapp-sticky-button:hover,
.whatsapp-sticky-button:focus {
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.whatsapp-sticky-button .fab {
    font-size: 16px;
}

@media (min-width: 992px) {
    .whatsapp-sticky-button {
        right: 90px;
        bottom: 24px;
        padding: 10px;
        font-size: 0;
        opacity: 0.9;
    }

    .whatsapp-sticky-button .fab {
        font-size: 18px;
    }

    .whatsapp-sticky-button .whatsapp-sticky-label {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }
}