Zero-party data

<div class="zero"><div class="prompt">WHAT INTERESTS YOU?</div><div class="choices"><button data-topic="DESIGN">DESIGN</button><button data-topic="TRAVEL">TRAVEL</button><button data-topic="FITNESS">FITNESS</button></div><div class="suggestion">SUGGESTED <strong id="suggestion">DESIGN GUIDE</strong></div><small>STATED BY CUSTOMER</small></div>

.zero{width:min(90%,590px);font:800 clamp(10px,3.2vmin,15px)/1.2 var(--font-sans)}.prompt{border-bottom:2px solid var(--fg);padding-bottom:clamp(8px,2vmin,16px)}.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(5px,1.5vmin,12px);margin:clamp(14px,4vmin,30px) 0}.choices button{font:inherit;cursor:pointer;min-height:clamp(36px,9vmin,64px);border:2px solid var(--line);background:var(--surface);color:var(--fg);transition:.3s}.choices button.active{background:var(--accent);border-color:var(--accent);color:white}.suggestion{display:flex;justify-content:space-between;gap:8px;border:2px solid var(--fg);padding:clamp(8px,2vmin,15px)}.suggestion strong{color:var(--accent);text-align:right}.zero small{display:block;margin-top:clamp(8px,2vmin,15px);font:inherit;color:var(--muted)}

const buttons=[...document.querySelectorAll('[data-topic]')];let n=0;function show(index){buttons.forEach((el,i)=>el.classList.toggle('active',i===index));document.querySelector('#suggestion').textContent=buttons[index].dataset.topic+' GUIDE'}show(n++);const timer=setInterval(()=>{show(n%buttons.length);n++},1900);buttons.forEach((button,i)=>button.addEventListener('click',()=>{clearInterval(timer);show(i)}));