.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #25d366 60%, #128c7e 100%);
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    cursor: pointer;
    animation: whatsapp-pulse 1.4s infinite;
    transition: box-shadow 0.2s;
}
.whatsapp-float:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.22);
}
@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 24px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}
.whatsapp-float svg {
    width: 36px;
    height: 36px;
    display: block;
}
.whatsapp-float svg circle {
    fill: #25d366;
}
.whatsapp-float svg path {
    fill: #fff;
}