*{box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;margin:0;color:#222;background:#fff}
header{background:#000;color:#fff;padding:16px;text-align:center}
nav a{color:#fff;margin:0 10px;text-decoration:none;font-size:14px}
nav a:hover{text-decoration:underline}
.hero{padding:64px 16px;text-align:center}
.btn{display:inline-block;background:#000;color:#fff;padding:10px 20px;border-radius:6px;text-decoration:none}
.products{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;padding:24px}
.product{border:1px solid #eee;border-radius:10px;padding:16px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.product img{width:100%;height:280px;object-fit:cover;border-radius:8px;background:#f7f7f7}
button{background:#000;color:#fff;border:none;padding:10px 14px;border-radius:6px;cursor:pointer}
button:hover{opacity:.9}
main{min-height:60vh;padding-bottom:24px}
footer{border-top:1px solid #eee;padding:16px;text-align:center;color:#666}
#cart-items p{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px dashed #ddd;padding:8px 0}
@media (max-width:600px){.product img{height:220px}}