body{margin:0;font-family:system-ui,sans-serif;line-height:1.5}.topbar,.site-header,main,.site-footer{padding:.75rem 1rem}.topbar{text-align:center;border-bottom:1px solid #ccc}.topbar p{margin:0}.site-header{border-bottom:1px solid #ccc;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.site-header ul,.site-footer ul{margin:0;padding:0;list-style:none}.site-header ul{flex-wrap:wrap;gap:1rem;display:flex}main{max-width:1080px;margin:0 auto}main>section,main>article>section{margin-bottom:2rem}.hero{border-bottom:1px solid #ccc;padding:3rem 0}.product-grid,.product-layout,.footer-columns{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;display:grid}.product-card{border:1px solid #ccc;max-width:360px;padding:1rem}.image-placeholder{aspect-ratio:4/3;border:1px dashed #999;place-items:center;display:grid}.site-footer{border-top:1px solid #ccc;margin-top:3rem}.footer-bottom{text-align:center}