Ad creative rotation

<div class="rotation"><div class="title">CREATIVE MIX</div><div class="strip"><i id="ra"></i><i id="rb"></i><i id="rc"></i></div><div class="legend"><span>A</span><span>B</span><span>C</span></div><div class="cards"><div id="ca">A<br>ORIGINAL</div><div id="cb">B<br>ALTERNATE</div><div id="cc">C<br>NEW</div></div><div class="status" id="rs">ROTATE TO LEARN</div></div>

.rotation{width:min(90%,520px);font:800 clamp(10px,max(2vmin,1vw),16px)/1.2 sans-serif}.title{font-size:clamp(13px,3vmin,23px);border-bottom:2px solid var(--fg);padding-bottom:6px}.strip{display:flex;height:clamp(16px,5vmin,36px);margin-top:clamp(12px,3vmin,22px);border:2px solid var(--fg)}.strip i{display:block;transition:width .5s}.strip i:nth-child(1){background:var(--fg)}.strip i:nth-child(2){background:var(--accent)}.strip i:nth-child(3){background:var(--accent-3)}.legend{display:flex;justify-content:space-between;margin:5px 0 clamp(10px,3vmin,22px)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(5px,2vmin,14px)}.cards div{padding:clamp(7px,2vmin,16px);border:2px solid var(--line);background:var(--surface);transition:.4s}.cards div.on{border-color:var(--accent);transform:translateY(-5px)}.status{margin-top:clamp(8px,2vmin,15px);color:var(--accent);letter-spacing:.06em}

const mixes=[[60,40,0],[40,35,25],[25,30,45]];const labels=['TWO ASSETS','NEW ASSET ENTERS','REBALANCED MIX'];let step=0;function draw(){const n=step++%3;const shares=mixes[n];['ra','rb','rc'].forEach((id,i)=>document.getElementById(id).style.width=shares[i]+'%');['ca','cb','cc'].forEach((id,i)=>document.getElementById(id).classList.toggle('on',i===n));document.getElementById('rs').textContent=labels[n]}draw();setInterval(draw,1300);