.nws-wa{
position:fixed;
bottom:25px;
right:25px;
width:70px;
height:70px;
border-radius:50%;
background:linear-gradient(135deg,#25D366,#00c853);
display:flex;
align-items:center;
justify-content:center;
z-index:9999;
text-decoration:none;
box-shadow:0 0 30px rgba(37,211,102,.7);
}


.icon{font-size:28px;color:#fff;z-index:3}


.wave{
position:absolute;
width:100%;
height:100%;
border-radius:50%;
background:rgba(37,211,102,.35);
animation:pulse 2.8s infinite;
}
.wave.delay{animation-delay:1.4s}


@keyframes pulse{
0%{transform:scale(1);opacity:.7}
100%{transform:scale(1.9);opacity:0}
}


.bubble{
position:absolute;
right:90px;
background:#0b1220;
color:#fff;
padding:10px 16px;
border-radius:22px;
font-size:14px;
white-space:nowrap;
box-shadow:0 12px 25px rgba(0,0,0,.4);
opacity:0;
transform:translateX(10px);
transition:.4s;
}


.bubble.show{
opacity:1;
transform:translateX(0);
}


@media(max-width:600px){
.nws-wa{width:60px;height:60px}
.icon{font-size:24px}
}