body{margin:0;font-family:Arial;background:#f5f5f5;text-align:center}
header{background:#111;color:#fff;padding:20px}
nav{margin:20px}
nav button{padding:10px 16px;margin:5px;font-size:15px;cursor:pointer}
.category{padding:20px}
.hidden{display:none}
.products{display:flex;justify-content:center;flex-wrap:wrap;gap:20px}
.card{background:#fff;width:260px;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.2);padding:10px}
.card img{width:100%;border-radius:6px}
.dedykacja{font-weight:bold;margin-bottom:20px}
footer{margin-top:40px;padding:20px;background:#eee}