:root{
  --bg:#0f1724;
  --card:#0b1220;
  --accent:#1f6feb;
  --muted:#9ca3af;
  --radius:12px;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#e6eef8;line-height:1.4}
header{background:linear-gradient(90deg,#071028 0%, #0b1220 100%);padding:18px 16px;position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(255,255,255,0.03)}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:60px;height:60px;display:flex;align-items:center;justify-content:center}
.logo img{width:100%;height:100%;object-fit:contain}
h1{margin:0;font-size:18px}
nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.cat-btn{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted);padding:8px 12px;border-radius:10px;cursor:pointer;transition:all 0.3s ease}
.cat-btn:hover{background:rgba(255,255,255,0.03);transform:translateY(-2px)}
.cat-btn.active{background:var(--accent);color:white;border-color:transparent;box-shadow:0 6px 18px rgba(31,111,235,0.12)}
main{padding:22px 16px}
.controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.search{flex:1;min-width:180px}
input[type="search"]{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}
select{padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1100px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.grid{grid-template-columns:1fr} .top{flex-direction:column;align-items:flex-start}}
.card{background:var(--card);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px;box-shadow:0 6px 20px rgba(2,6,23,0.6);transition:transform .15s ease}
.card:hover{transform:translateY(-6px)}
.thumb{width:100%;height:200px;border-radius:10px;overflow:hidden;background:#0e1722;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.title{font-weight:700}
.price{font-weight:800;color:var(--accent)}
.desc{color:var(--muted);font-size:13px;margin-top:6px}
.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.btn{background:var(--accent);color:white;padding:8px 12px;border-radius:10px;border:0;cursor:pointer;text-decoration:none;display:inline-block;transition:all 0.3s ease;transform:scale(1)}
.btn:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(31,111,235,0.4)}
.btn:active{transform:scale(0.95)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted)}
.btn.ghost:hover{background:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.1)}
.btn.whatsapp{background:#25D366;color:white;display:inline-flex;align-items:center;gap:6px}
.btn.whatsapp:hover{background:#22c55e;box-shadow:0 4px 12px rgba(37,211,102,0.4)}
footer{padding:20px;text-align:center;color:var(--muted);font-size:13px}
/* modal */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:none;align-items:center;justify-content:center;padding:20px;z-index:60}
.overlay.open{display:flex}
.modal{background:#071226;border-radius:12px;max-width:1000px;width:100%;max-height:90vh;overflow:auto;padding:18px;border:1px solid rgba(255,255,255,0.03)}
.modal-header{display:flex;align-items:center;justify-content:space-between}
.modal-body{display:grid;grid-template-columns:1fr 320px;gap:16px;margin-top:12px}
@media (max-width:880px){.modal-body{grid-template-columns:1fr}}
.bigimg{width:100%;height:60vh;border-radius:10px;overflow:hidden}
.bigimg img{width:100%;height:100%;object-fit:contain;background:#111}
.specs{background:#071a2a;padding:12px;border-radius:10px}