:root{
  --bg:#f7f9fc; --text:#0f172a; --primary:#0b7dda; --card:#ffffff; --muted:#64748b;
  --radius:20px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:24px}

/* Navbar */
.navbar{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #e5e7eb}
.menu{list-style:none;display:flex;gap:16px;margin:0;padding:0}
.menu a{text-decoration:none;color:var(--text);font-weight:500}
.logo{font-weight:800;font-size:1.1rem;color:var(--text);text-decoration:none}
.logo img{height:28px;vertical-align:middle}

/* Hero */
.hero{background:linear-gradient(135deg,#1d4ed8,#0ea5e9);color:#fff;border-radius:var(--radius);padding:28px;margin:20px}

/* Productos */
.grid-productos{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;padding:20px}
.card{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.card img{width:100%;height:180px;object-fit:cover;border-radius:12px;background:#e5e7eb}
.card h3{font-size:1rem;margin:.6rem 0}
.precio{font-weight:700}
.btn-add{width:100%;padding:10px;border:0;border-radius:12px;background:var(--primary);color:white;cursor:pointer}

/* Detalle producto */
.producto-detalle{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.producto-detalle img{width:100%;border-radius:12px;background:#e5e7eb}

/* Filtros */
.filtros{display:flex;gap:12px;margin:16px 0}
.filtros input,.filtros select{padding:10px;border:1px solid #e5e7eb;border-radius:12px}

/* Formularios */
.form label{display:block;margin:12px 0}
.form input,.form textarea{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:12px}

/* Carrito */
.carrito-items{display:grid;gap:12px;margin:16px 0}
.carrito-item{display:grid;grid-template-columns:80px 1fr auto auto;gap:12px;align-items:center;background:#fff;padding:10px;border-radius:12px}
.carrito-item img{width:80px;height:80px;object-fit:cover;border-radius:8px;background:#e5e7eb}
.carrito-total{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#fff;border-radius:12px}

/* --- Home banner --- */
.banner{
  border-radius: var(--radius);
  overflow: hidden;
  margin: 20px;
  background:#0f172a;
}
.banner picture, .banner img{width:100%;display:block}
.banner .copy{
  position: relative;
  margin-top:-180px;
  color:#fff;
  padding: 0 32px 28px 32px;
}
.banner .copy h2{font-size:2rem;margin:0 0 .5rem 0}
.banner .copy p{opacity:.95;margin:0 0 1rem}
.banner .copy .cta{display:inline-block;background:#10b981;color:#fff;text-decoration:none;padding:10px 16px;border-radius:12px}

/* --- Brands --- */
.brands{display:grid;gap:12px;padding:20px;margin:0 20px}
.brands h3{margin:0 0 8px 0}
.brands .row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;background:#fff;border-radius:16px;padding:16px;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.brand{flex:0 0 auto;min-width:120px;text-align:center;padding:8px 16px;border:1px solid #e5e7eb;border-radius:12px}
.brand img{height:28px;display:block;margin:0 auto 6px}
.brand small{color:var(--muted)}

/* --- Footer --- */
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.footer h4{margin:.2rem 0}
.footer a{color:inherit;text-decoration:none}
.footer ul{list-style:none;padding:0;margin:.4rem 0}
.footer li{margin:.3rem 0}

/* --- Secci¨Žn Servicios --- */
.servicios {
  padding: 60px 20px;
  text-align: center;
}

.servicios h2 {
  margin-bottom: 20px;
}

.servicios-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.servicios-info .item {
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,.06);
}

/* Bot¨Žn WhatsApp secci¨Žn */
.cta-servicio {
  margin-top: 30px;
  text-align: center;
}

.btn-whatsapp {
  display: inline-block;
  background-color: #25D366;
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn-whatsapp:hover {
  background-color: #1ebe5d;
}

/* Bot¨Žn flotante WhatsApp */
.btn-wsp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
  text-decoration: none;
  transition: transform 0.2s ease-in-out;
}

.btn-wsp:hover {
  transform: scale(1.1);
  background: #1ebe5d;
}

.btn-wsp svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* Responsive */
@media (max-width:768px){
  .menu{gap:10px}
  .producto-detalle{grid-template-columns:1fr}
  .banner .copy{margin-top:-120px;padding:0 16px 20px}
  .footer-grid{grid-template-columns:1fr}
}