희소성 효과

<div class="stock"><div class="head"><b>WORKSHOP SEATS</b><span><em id="left">04</em> LEFT</span></div><div class="seats"><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></div><div class="foot">BOOKINGS UPDATE AVAILABILITY</div></div>

@media(min-width:700px){body>div{transform:scale(1.45)}}.stock{width:min(86%,470px);font:800 clamp(10px,max(2vmin,1vw),16px)/1.2 sans-serif}.head{display:flex;justify-content:space-between;align-items:center;gap:10px}.head span{background:var(--accent);color:white;padding:6px 9px;white-space:nowrap}.head em{font-style:normal}.seats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(5px,2vmin,12px);margin:clamp(14px,4vmin,30px) 0}.seats i{height:clamp(22px,7vmin,52px);background:var(--line);border-radius:6px 6px 2px 2px;transition:background .3s,transform .3s}.seats i.free{background:var(--accent-2);transform:translateY(-3px)}.foot{border-top:2px solid var(--fg);padding-top:8px;color:var(--muted);letter-spacing:.06em;font-size:clamp(10px,max(1.5vmin,1vw),12px)}

const seats=[...document.querySelectorAll('.seats i')];const label=document.querySelector('#left');let count=4;function paint(){seats.forEach((seat,i)=>seat.classList.toggle('free',i>=8-count));label.textContent=String(count).padStart(2,'0')}paint();setInterval(()=>{count=count<=1?4:count-1;paint()},1100);