body { font-family: Arial, sans-serif; margin:0; padding:0; }
.header { background:#E23744; color:#fff; padding:12px; display:flex; justify-content:space-between; align-items:center; }
.categories, .grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; padding:16px; }
.card { background:#fff; padding:12px; border:1px solid #eee; }
img { max-width:100%; height:auto; display:block; }
.btn { display:inline-block; background:#E23744; color:#fff; padding:8px 12px; text-decoration:none; }
a { text-decoration:none; }
.footer { padding:12px; text-align:center; background:#f5f5f5; }