.wa-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 99999;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 22px rgba(0, 0, 0, 0.18);
}

.wa-float::before {
    content: "";
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.35);
    animation: wa-float-ring 1.6s infinite;
}

@keyframes wa-float-ring {
    0% { transform: scale(1); opacity: 0.85; }
    100% { transform: scale(1.7); opacity: 0; }
}

.wa-float svg {
    position: relative;
    z-index: 2;
    width: 28px;
    height: 28px;
    fill: #fff;
}

@media (max-width: 767.98px) {
    .wa-float {
        right: 16px;
        bottom: 16px;
        width: 50px;
        height: 50px;
    }

    .wa-float::before {
        width: 50px;
        height: 50px;
    }

    .wa-float svg {
        width: 24px;
        height: 24px;
    }
}