.wa-float-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    background: #25D366;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37,211,102,0.45);
    text-decoration: none;
    transition: transform 0.2s;
}
.wa-float-btn:hover {
    transform: scale(1.1);
}
.wa-tooltip-wa {
    position: absolute;
    right: 66px;
    background: #128C7E;
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-family: sans-serif;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.wa-float-btn:hover .wa-tooltip-wa {
    opacity: 1;
}