:root{
  --bg:#0b0f17; --text:#e5e7eb; --muted:#94a3b8; --card:#0f172a; --ring:rgba(34,211,238,.35);
  --border:#1f2937; --accent:#22d3ee;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.container{max-width:1200px;margin:0 auto;padding:18px}
.site-header,.site-footer{border-color:var(--border);}
.site-header{border-bottom:1px solid var(--border);}
.site-footer{border-top:1px solid var(--border);}
.site-header .wrap,.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;gap:8px;align-items:center}
nav a{margin-left:14px;opacity:.9}
nav a:hover{opacity:1}
.grid{display:grid;gap:16px}
.cards-landing{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px;display:flex;flex-direction:column;gap:8px;transition:.2s transform ease,.2s box-shadow ease}
.card:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(2,6,23,.5)}
.card img{width:100%;height:160px;object-fit:cover;border-radius:10px}
small,.muted{color:var(--muted);font-size:12px}
.btn{display:inline-flex;gap:8px;align-items:center;border-radius:10px;padding:10px 14px;background:#0e1726;border:1px solid var(--border);cursor:pointer}
.btn:hover{box-shadow:0 0 0 4px var(--ring)}
.input,select{background:#0e1726;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px;outline:none}
/* Tienda: diseño más amplio y responsivo */
.tienda-shell{display:grid;grid-template-columns:2fr 1fr;gap:18px}
@media (max-width: 960px){ .tienda-shell{grid-template-columns:1fr} }
.catalogo{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.product-card img{height:180px;object-fit:cover;border-radius:10px;width:100%}
/* Utilidades */
hr{border:0;border-top:1px solid var(--border);margin:18px 0}