.whatsapp-widget {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 10px 25px rgba(18, 140, 126, 0.35);
    z-index: 998;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    text-decoration: none;
}

.whatsapp-widget:hover {
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 14px 30px rgba(18, 140, 126, 0.45);
}

.whatsapp-widget i {
    font-size: 1.75rem;
    line-height: 1;
}

[dir='rtl'] .whatsapp-widget {
    right: auto;
    left: 1.25rem;
}

@media (max-width: 480px) {
    .whatsapp-widget {
        width: 3.5rem;
        height: 3.5rem;
    }

    .whatsapp-widget i {
        font-size: 1.625rem;
    }
}