/* Base estructural compartida por las 3 tiendas de Fusión Tienda. Define layout, grillas, el carrito y el
   modal — NUNCA colores ni tipografía: eso lo define el <style> propio de cada tienda sobre estas variables,
   para que cada una tenga su propia personalidad sin duplicar la lógica de maquetación. */
:root {
  --color-fondo: #fafafa;
  --color-superficie: #ffffff;
  --color-texto: #1a1a1a;
  --color-texto-suave: #6b7280;
  --color-primario: #111111;
  --color-secundario: #e5e5e5;
  --color-acento: #ff6600;
  --color-borde: rgba(0,0,0,0.1);
  --fuente-titulo: system-ui, sans-serif;
  --fuente-texto: system-ui, sans-serif;
  --radio: 14px;
}
* , *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--color-fondo); color: var(--color-texto); font-family: var(--fuente-texto); overflow-x: hidden; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--fuente-titulo); }
.contenedor { max-width: 1180px; margin: 0 auto; padding-inline: 1.25rem; }

.aviso-demo-banner {
  background: var(--color-primario); color: #fff; text-align: center; font-size: 0.82rem;
  padding: 0.5rem 1rem; letter-spacing: 0.02em;
}

.topbar {
  position: sticky; top: 0; z-index: 50; background: var(--color-superficie);
  border-bottom: 1px solid var(--color-borde); padding-block: 0.9rem;
}
.topbar-inner { display: flex; align-items: center; gap: 1.2rem; justify-content: space-between; flex-wrap: wrap; }
.marca { display: flex; flex-direction: column; }
.marca strong { font-size: 1.4rem; }
.marca span { font-size: 0.78rem; color: var(--color-texto-suave); }
.buscador-wrap { flex: 1 1 260px; max-width: 420px; }
.buscador-wrap input {
  width: 100%; padding: 0.65rem 1rem; border-radius: 100px; border: 1px solid var(--color-borde);
  background: var(--color-fondo); color: var(--color-texto); font-size: 0.92rem;
}
.topbar-acciones { display: flex; align-items: center; gap: 0.8rem; }
.btn-whatsapp-top {
  display: inline-flex; align-items: center; gap: 0.4rem; background: #25D366; color: #fff; text-decoration: none;
  padding: 0.55rem 1rem; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
}
#cart-button { position: relative; background: var(--color-primario); color: #fff; border: none; border-radius: 100px; padding: 0.6rem 1.1rem; font-size: 0.9rem; cursor: pointer; }
#cart-badge { position: absolute; top: -6px; right: -6px; background: var(--color-acento); color: #fff; font-size: 0.68rem; min-width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }

.hero { padding-block: 3rem 2rem; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 0.6rem; max-width: 720px; }
.hero p { max-width: 640px; color: var(--color-texto-suave); font-size: 1rem; line-height: 1.6; margin: 0; }

.categorias-nav { display: flex; gap: 0.6rem; overflow-x: auto; padding-block: 1rem; }
.cat-chip {
  flex: none; padding: 0.5rem 1.1rem; border-radius: 100px; border: 1px solid var(--color-borde);
  background: var(--color-superficie); color: var(--color-texto); font-size: 0.85rem; cursor: pointer; white-space: nowrap;
}
.cat-chip.activo { background: var(--color-primario); color: #fff; border-color: var(--color-primario); }

.filtros-rapidos { display: flex; gap: 0.6rem; margin-bottom: 1rem; }
.filtros-rapidos button {
  background: none; border: 1px solid var(--color-acento); color: var(--color-acento); padding: 0.45rem 0.9rem;
  border-radius: 100px; font-size: 0.82rem; cursor: pointer; font-weight: 600;
}

.grid-productos { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.4rem; padding-block: 1.5rem 3rem; }
.producto-card { background: var(--color-superficie); border-radius: var(--radio); overflow: hidden; border: 1px solid var(--color-borde); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.producto-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,0.08); }
.producto-img-wrap { position: relative; aspect-ratio: 1; background: var(--color-fondo); }
.producto-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
/* Ajustes puntuales de encuadre: el recorte centrado por defecto no favorecía bien al producto en estas
   fotos reales en particular (ver INFORME de la etapa "fotos reales"). */
.producto-img-wrap img[src*="ml-abr01"] { object-position: 85% 30%; }
.producto-img-wrap img[src*="fd-rin01"] { object-position: 15% 65%; }
.producto-img-wrap img[src*="fd-gua01"] { object-position: center 15%; }
.modal-img[src*="ml-abr01"] { object-position: 85% 30%; }
.modal-img[src*="fd-rin01"] { object-position: 15% 65%; }
.producto-badges { position: absolute; top: 0.6rem; left: 0.6rem; display: flex; gap: 0.3rem; flex-wrap: wrap; }
.badge { font-size: 0.65rem; font-weight: 700; padding: 0.25rem 0.55rem; border-radius: 100px; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-destacado { background: var(--color-primario); color: #fff; }
.badge-oferta { background: var(--color-acento); color: #fff; }
.badge-sinstock { background: #6b7280; color: #fff; }
.producto-info { padding: 1rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.producto-nombre { font-size: 0.98rem; margin: 0; line-height: 1.35; }
.precio { font-weight: 700; font-size: 1.05rem; }
.precio-tachado { text-decoration: line-through; color: var(--color-texto-suave); font-weight: 400; font-size: 0.85rem; margin-right: 0.3rem; }
.precio-oferta { color: var(--color-acento); }
.precio-cotizar { color: var(--color-texto-suave); font-style: italic; font-weight: 500; }
.btn-ver { margin-top: auto; background: var(--color-primario); color: #fff; border: none; border-radius: 100px; padding: 0.6rem; font-size: 0.85rem; cursor: pointer; }
.btn-ver:hover { opacity: 0.9; }

.estado-vacio { text-align: center; color: var(--color-texto-suave); padding: 3rem 1rem; grid-column: 1 / -1; }
.estado-error { color: #b91c1c; }

footer.footer-tienda { background: var(--color-primario); color: #fff; padding: 2.5rem 1.25rem; margin-top: 2rem; }
.footer-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; }
.footer-inner a { color: #fff; text-decoration: none; }
.footer-aviso { text-align: center; font-size: 0.78rem; opacity: 0.75; margin-top: 2rem; }

/* --- Modal de producto --- */
#modal-producto, #cart-drawer { position: fixed; inset: 0; z-index: 200; display: none; }
#modal-producto.activo, #cart-drawer.activo { display: block; }
.modal-fondo, .drawer-fondo { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.modal-caja {
  position: relative; max-width: 760px; margin: 4vh auto; background: var(--color-superficie); border-radius: var(--radio);
  overflow: auto; max-height: 92vh; display: grid; grid-template-columns: 1fr 1fr;
}
@media (max-width: 680px) { .modal-caja { grid-template-columns: 1fr; margin: 0; max-height: 100vh; border-radius: 0; } }
.modal-cerrar { position: absolute; top: 0.8rem; right: 0.8rem; background: var(--color-superficie); border: none; border-radius: 50%; width: 32px; height: 32px; cursor: pointer; font-size: 1rem; }
.modal-img { width: 100%; height: 100%; object-fit: cover; background: var(--color-fondo); }
.modal-datos { padding: 1.6rem; display: flex; flex-direction: column; gap: 0.7rem; }
.modal-desc { color: var(--color-texto-suave); font-size: 0.92rem; line-height: 1.55; }
.modal-precio { font-size: 1.4rem; font-weight: 700; }
.aviso-cotizacion { background: var(--color-fondo); border-radius: 10px; padding: 0.7rem; font-size: 0.85rem; color: var(--color-texto-suave); }
.selector-grupo label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-texto-suave); margin-bottom: 0.4rem; }
.selector-opciones { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip-opcion { padding: 0.4rem 0.8rem; border-radius: 100px; border: 1px solid var(--color-borde); background: var(--color-fondo); cursor: pointer; font-size: 0.85rem; }
.chip-opcion.elegido { background: var(--color-primario); color: #fff; border-color: var(--color-primario); }
.modal-stock { font-size: 0.85rem; }
.modal-stock.ok { color: #15803d; } .modal-stock.sin-stock { color: #b91c1c; }
.input-nota-cotizacion { width: 100%; min-height: 70px; border-radius: 10px; border: 1px solid var(--color-borde); padding: 0.6rem; font-family: inherit; }
.modal-cantidad { display: flex; align-items: center; gap: 0.8rem; }
.cantidad-control { display: flex; align-items: center; gap: 0.6rem; border: 1px solid var(--color-borde); border-radius: 100px; padding: 0.2rem 0.5rem; }
.cantidad-control button { background: none; border: none; width: 26px; height: 26px; font-size: 1rem; cursor: pointer; }
.cantidad-control input { width: 40px; text-align: center; border: none; background: none; font-size: 0.95rem; }
.cantidad-control.chico { padding: 0.1rem 0.4rem; }
.btn-agregar, .btn-checkout { background: var(--color-primario); color: #fff; border: none; border-radius: 100px; padding: 0.8rem; font-size: 0.95rem; font-weight: 600; cursor: pointer; text-align: center; text-decoration: none; }
.btn-checkout.btn-secundario { background: none; color: var(--color-primario); border: 1px solid var(--color-primario); margin-top: 0.6rem; }
.btn-whatsapp-confirmacion { background: #25D366; margin-bottom: 0.6rem; display: block; }
.modal-aviso-error { color: #b91c1c; font-size: 0.85rem; }

/* --- Drawer del carrito --- */
.drawer-caja { position: absolute; right: 0; top: 0; bottom: 0; width: min(420px, 100%); background: var(--color-superficie); display: flex; flex-direction: column; padding: 1.4rem; overflow-y: auto; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.drawer-head button { background: none; border: none; font-size: 1.1rem; cursor: pointer; }
.drawer-items { display: flex; flex-direction: column; gap: 1rem; flex: 1; }
.drawer-item { display: grid; grid-template-columns: 56px 1fr auto; gap: 0.8rem; align-items: start; }
.drawer-item img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; background: var(--color-fondo); }
.drawer-item-info { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.88rem; }
.drawer-item-var { color: var(--color-texto-suave); font-size: 0.78rem; }
.drawer-item-cot { color: var(--color-acento); font-size: 0.78rem; }
.drawer-item-quitar { background: none; border: none; color: #b91c1c; font-size: 0.75rem; cursor: pointer; }
.drawer-total { display: flex; justify-content: space-between; align-items: center; padding-block: 1rem; border-top: 1px solid var(--color-borde); margin-top: 1rem; font-size: 1.05rem; }
.aviso-demo { background: var(--color-fondo); border-radius: 10px; padding: 0.7rem; font-size: 0.8rem; color: var(--color-texto-suave); }
.confirmacion-numero { font-size: 1.1rem; }

.form-checkout { display: flex; flex-direction: column; gap: 0.9rem; }
.form-checkout label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; color: var(--color-texto-suave); }
.form-checkout input, .form-checkout textarea { padding: 0.6rem 0.8rem; border-radius: 10px; border: 1px solid var(--color-borde); font-family: inherit; font-size: 0.92rem; background: var(--color-fondo); color: var(--color-texto); }
.fieldset-entrega { display: flex; gap: 1.2rem; border: none; padding: 0; font-size: 0.88rem; }
.fieldset-entrega label { flex-direction: row; align-items: center; gap: 0.4rem; }

@media (max-width: 720px) {
  .topbar-inner { gap: 0.7rem; }
  .hero { padding-block: 1.8rem 1.2rem; }
  .grid-productos { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.9rem; }
}