:root {
  --rojo: #ce4a2b;
  --rojo-oscuro: #a83a21;
  --naranjo: #e8875a;
  --crema: #fbf5ee;
  --gris-texto: #3d3230;
  --gris-suave: #7a6d68;
  --fondo: #fbf5ee;
  --borde: #efe2d8;
  --verde: #25d366;
  --verde-oscuro: #1eb856;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Nunito", "Segoe UI", Arial, sans-serif; color: var(--gris-texto); background: var(--fondo); }
a { color: inherit; text-decoration: none; }

/* Header */
.topbar { background: var(--rojo); color: #fff; font-size: 13px; text-align: center; padding: 7px 10px; font-weight: 600; }
header.site { background: #fff; border-bottom: 1px solid var(--borde); }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 14px 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.logo { font-size: 22px; font-weight: 800; color: var(--rojo); line-height: 1.1; }
.logo small { display: block; font-size: 11px; font-weight: 600; color: var(--gris-suave); letter-spacing: .5px; }
.buscar-box { flex: 1; min-width: 200px; display: flex; }
.buscar-box input { width: 100%; padding: 10px 16px; border: 2px solid var(--borde); border-right: none; border-radius: 999px 0 0 999px; font-size: 15px; font-family: inherit; background: #fff; }
.buscar-box input:focus { outline: none; border-color: var(--naranjo); }
.buscar-box button { padding: 10px 18px; border: none; background: var(--rojo); color: #fff; border-radius: 0 999px 999px 0; cursor: pointer; font-size: 15px; }
.buscar-box button:hover { background: var(--rojo-oscuro); }

/* Nav */
nav.cats { background: #fff; border-bottom: 1px solid var(--borde); }
nav.cats ul { max-width: 1100px; margin: 0 auto; padding: 6px 20px; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
nav.cats a { display: block; padding: 8px 16px; font-size: 14px; font-weight: 700; color: var(--gris-texto); border-radius: 999px; }
nav.cats a:hover { background: var(--crema); color: var(--rojo); }
nav.cats a.activo { background: var(--rojo); color: #fff; }

/* Hero */
.hero { background: linear-gradient(120deg, var(--rojo) 0%, var(--naranjo) 100%); color: #fff; }
.hero-inner { max-width: 1100px; margin: 0 auto; padding: 48px 20px; }
.hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.hero p { font-size: 17px; opacity: .97; max-width: 580px; line-height: 1.45; }

/* Contenido */
main { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
.miga { font-size: 13px; color: var(--gris-suave); margin-bottom: 16px; }
.miga a { color: var(--rojo); font-weight: 600; }
h2.seccion { font-size: 21px; font-weight: 800; margin-bottom: 16px; }

/* Grid de productos */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.card { background: #fff; border: 1px solid var(--borde); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s, transform .15s; }
.card:hover { box-shadow: 0 8px 20px rgba(120, 60, 30, .14); transform: translateY(-2px); }
.card .foto { background: #fff; aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; }
.card .foto img { width: 100%; height: 100%; object-fit: contain; }
.card .info { padding: 12px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .nombre { font-size: 15px; font-weight: 700; }
.card .codigo { font-size: 12px; color: var(--gris-suave); }
.card .precio { font-size: 19px; font-weight: 800; color: var(--rojo); }
.card .precio small { font-size: 11px; font-weight: 600; color: var(--gris-suave); }
#sin-resultados { display: none; padding: 30px; text-align: center; color: var(--gris-suave); }

/* Botones */
.btn-add { margin-top: auto; text-align: center; background: var(--rojo); color: #fff; font-weight: 700; font-size: 14px; padding: 11px; border-radius: 999px; border: none; cursor: pointer; width: 100%; font-family: inherit; }
.btn-add:hover { background: var(--rojo-oscuro); }
.card .btn { margin-top: 6px; text-align: center; background: var(--verde); color: #fff; font-weight: 700; font-size: 14px; padding: 11px; border-radius: 999px; }
.card .btn:hover { background: var(--verde-oscuro); }
.btn-wa { display: inline-block; background: var(--verde); color: #fff; font-weight: 800; font-size: 16px; padding: 13px 26px; border-radius: 999px; }
.btn-wa:hover { background: var(--verde-oscuro); }
.btn-add-grande { display: inline-block; background: var(--rojo); color: #fff; font-weight: 800; font-size: 16px; padding: 13px 26px; border-radius: 999px; border: none; cursor: pointer; margin-right: 10px; font-family: inherit; }
.btn-add-grande:hover { background: var(--rojo-oscuro); }

/* Ficha de producto */
.ficha { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; background: #fff; border: 1px solid var(--borde); border-radius: 20px; padding: 26px; }
.ficha .foto { display: flex; align-items: center; justify-content: center; background: var(--crema); border-radius: 16px; }
.ficha .foto img { max-width: 100%; max-height: 420px; object-fit: contain; }
.ficha h1 { font-size: 25px; font-weight: 800; margin-bottom: 6px; }
.ficha .codigo { font-size: 13px; color: var(--gris-suave); margin-bottom: 14px; }
.ficha .precio { font-size: 30px; font-weight: 800; color: var(--rojo); margin-bottom: 4px; }
.ficha .iva { font-size: 12px; color: var(--gris-suave); margin-bottom: 16px; }
.ficha .desc { font-size: 15px; line-height: 1.55; margin-bottom: 20px; }
.ficha .nota { font-size: 13px; color: var(--gris-suave); margin-top: 14px; line-height: 1.4; }
.relacionados { margin-top: 34px; }

/* Carrito */
.cart-link { position: relative; display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--gris-texto); padding: 9px 14px; border: 2px solid var(--borde); border-radius: 999px; background: #fff; }
.cart-link:hover { color: var(--rojo); border-color: var(--naranjo); }
.cart-link .badge { background: var(--rojo); color: #fff; border-radius: 999px; font-size: 12px; min-width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; padding: 0 5px; font-weight: 800; }
.carro-fila { display: grid; grid-template-columns: 70px 1fr auto auto auto; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--borde); border-radius: 16px; padding: 12px 16px; margin-bottom: 10px; }
.carro-fila img { width: 70px; height: 70px; object-fit: contain; border-radius: 10px; }
.carro-info .nombre { font-weight: 700; font-size: 15px; display: block; }
.carro-info .codigo { font-size: 12px; color: var(--gris-suave); display: block; }
.carro-info .precio-unit { font-size: 13px; color: var(--gris-suave); }
.carro-qty { display: flex; align-items: center; gap: 4px; }
.carro-qty button { width: 32px; height: 32px; border: 2px solid var(--borde); background: #fff; border-radius: 999px; font-size: 16px; cursor: pointer; font-weight: 700; }
.carro-qty button:hover { border-color: var(--rojo); color: var(--rojo); }
.carro-qty input { width: 52px; height: 32px; text-align: center; border: 2px solid var(--borde); border-radius: 999px; font-size: 14px; font-family: inherit; }
.carro-sub { font-weight: 800; color: var(--rojo); min-width: 70px; text-align: right; }
.carro-quitar { border: none; background: none; color: var(--gris-suave); font-size: 16px; cursor: pointer; }
.carro-quitar:hover { color: var(--rojo); }
.carro-total { text-align: right; font-size: 21px; font-weight: 700; margin: 18px 0 12px; }
.carro-total strong { color: var(--rojo); font-weight: 800; }
.carro-total small { color: var(--gris-suave); font-size: 13px; font-weight: 600; }
.btn-wa-grande { display: block; text-align: center; background: var(--verde); color: #fff; font-weight: 800; font-size: 17px; padding: 15px; border-radius: 999px; }
.btn-wa-grande:hover { background: var(--verde-oscuro); }
.nota-carro { font-size: 13px; color: var(--gris-suave); margin-top: 12px; text-align: center; line-height: 1.4; }
.carro-vacio { background: #fff; border: 1px solid var(--borde); border-radius: 18px; padding: 40px; text-align: center; color: var(--gris-suave); }
.carro-vacio a { color: var(--rojo); font-weight: 700; }

/* Footer */
footer { background: #3e2c25; color: #e8dcd5; font-size: 14px; border-radius: 24px 24px 0 0; }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 34px 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; }
footer h3 { color: #fff; font-size: 15px; font-weight: 800; margin-bottom: 8px; }
footer .legal { border-top: 1px solid #544038; }

/* Botón flotante WhatsApp */
.wa-flotante { position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px; background: var(--verde); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,.28); z-index: 50; }
.wa-flotante:hover { background: var(--verde-oscuro); }
.wa-flotante svg { width: 31px; height: 31px; fill: #fff; }

@media (max-width: 720px) {
  .ficha { grid-template-columns: 1fr; }
  .hero h1 { font-size: 25px; }
  .header-inner { padding: 12px 14px; }
  main { padding: 20px 14px 60px; }
  .carro-fila { grid-template-columns: 56px 1fr auto; grid-template-rows: auto auto; }
  .carro-fila img { width: 56px; height: 56px; }
  .carro-qty { grid-column: 2; }
  .carro-sub { grid-column: 3; grid-row: 2; }
  .carro-quitar { grid-column: 3; grid-row: 1; justify-self: end; }
}