:root{
  --green:#28A745;
  --green-600:#23923E;
  --bg:#ffffff;
  --surface:#F7F9FB;
  --text:#1F2937;
  --muted:#6B7280;
  --border:#E5E7EB;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--border);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
nav a{margin:0 10px;text-decoration:none;color:var(--text);font-weight:500}
.button{display:inline-block;background:var(--green);color:#fff;padding:12px 18px;border-radius:10px;text-decoration:none}
.button:hover{background:var(--green-600)}
.hero{background:var(--surface);padding:56px 0;margin-bottom:24px}
.hero h1{font-size:40px;margin:0 0 8px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)} .hero h1{font-size:32px}}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.card img{width:100%;height:220px;object-fit:contain;background:#fff;border-bottom:1px solid var(--border);margin-bottom:12px}
.price{font-weight:700;font-size:18px}
.badge{display:inline-block;padding:4px 8px;border-radius:8px;font-size:12px;margin-bottom:8px}
.badge.in{background:#E8F5EE;color:#1B5E20}
.badge.oos{background:#FEE2E2;color:#991B1B}
.footer{border-top:1px solid var(--border);padding:18px 0;color:var(--muted);font-size:14px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 24px}
.pill{padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:#fff;cursor:pointer}
.pill.active{background:var(--green);color:#fff;border-color:var(--green)}
.small{font-size:12px;color:var(--muted)}