.whatsapp-float {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    box-shadow: 0 0.15rem 0.6rem rgba(0, 0, 0, 0.25);
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.whatsapp-float:hover {
    transform: scale(1.06);
    box-shadow: 0 0.2rem 0.75rem rgba(0, 0, 0, 0.3);
    color: #fff;
}

.whatsapp-float:focus {
    outline: 2px solid #128c7e;
    outline-offset: 3px;
}

.whatsapp-float svg {
    display: block;
    width: 1.75rem;
    height: 1.75rem;
    fill: currentColor;
}