/* ============================================================
   RIIVAL — Tienda CSS
   ============================================================ */

/* ── Hero Tienda ── */
.tienda-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(0,0,0,0.88) 0%, rgba(192,57,43,0.1) 100%),
    url('../images/tienda-bg.jpg') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.tienda-hero::after {
  content: '';
  position: absolute;
  right: -100px; top: -100px;
  width: 500px; height: 500px;
  border: 1px solid rgba(192,57,43,0.15);
  border-radius: 50%;
}
.tienda-hero-content { position: relative; z-index: 2; max-width: 600px; }
.tienda-hero-tag {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 16px;
}
.tienda-hero h1 { line-height: 0.95; margin-bottom: 20px; }
.tienda-hero p {
  font-size: 1rem;
  color: var(--metal);
  letter-spacing: 1px;
  margin-bottom: 36px;
  max-width: 400px;
}

/* ── Filtros ── */
.filtros-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px 0;
  border-bottom: 1px solid var(--borde);
  margin-bottom: 40px;
}
.filtro-btn {
  padding: 8px 22px;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--negro3);
  border: 1px solid var(--gris);
  color: var(--metal);
  cursor: pointer;
  transition: var(--transition);
  border-radius: 2px;
}
.filtro-btn:hover, .filtro-btn.active {
  background: var(--rojo);
  border-color: var(--rojo);
  color: var(--blanco);
}

/* ── Productos Grid ── */
.productos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.producto-card {
  background: var(--negro3);
  border: 1px solid var(--borde);
  transition: var(--transition);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.producto-card:hover {
  border-color: var(--rojo);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(192,57,43,0.15);
}
.producto-img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gris-oscuro);
  position: relative;
}
.producto-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: grayscale(20%);
}
.producto-card:hover .producto-img-wrap img { transform: scale(1.06); filter: grayscale(0%); }
.producto-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a1a, #252525);
  gap: 10px;
}
.producto-placeholder-icon { font-size: 3rem; }
.producto-placeholder-cat {
  font-family: var(--font-sub);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gris-claro);
}
.producto-oferta-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-sub);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 2px;
}
.producto-body { padding: 16px; }
.producto-categoria {
  font-family: var(--font-sub);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 6px;
}
.producto-nombre {
  font-family: var(--font-sub);
  font-size: 1rem;
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 8px;
  line-height: 1.3;
}
.producto-precios { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.producto-precio-actual {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--blanco);
}
.producto-precio-tachado {
  font-size: 0.9rem;
  color: var(--gris-claro);
  text-decoration: line-through;
}
.btn-agregar-carrito {
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--rojo);
  color: var(--rojo);
  font-family: var(--font-sub);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}
.btn-agregar-carrito:hover { background: var(--rojo); color: var(--blanco); }

/* ── Detalle Producto ── */
.producto-detalle { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.producto-detalle-img {
  aspect-ratio: 1;
  background: var(--negro3);
  border: 1px solid var(--borde);
  overflow: hidden;
}
.producto-detalle-img img { width: 100%; height: 100%; object-fit: cover; }
.producto-detalle-info .producto-nombre { font-size: 1.8rem; margin-bottom: 12px; }
.producto-detalle-desc { color: var(--metal); line-height: 1.8; margin-bottom: 24px; }
.cantidad-control { display: flex; align-items: center; gap: 0; margin-bottom: 20px; }
.cantidad-btn {
  width: 40px; height: 44px;
  background: var(--negro3);
  border: 1px solid var(--gris);
  color: var(--blanco);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}
.cantidad-btn:hover { background: var(--rojo); border-color: var(--rojo); }
.cantidad-input {
  width: 60px; height: 44px;
  background: var(--negro2);
  border-top: 1px solid var(--gris);
  border-bottom: 1px solid var(--gris);
  border-left: none; border-right: none;
  color: var(--blanco);
  text-align: center;
  font-family: var(--font-sub);
  font-size: 1rem;
  font-weight: 700;
}

/* ── Carrito ── */
.carrito-items { border: 1px solid var(--borde); }
.carrito-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--borde);
}
.carrito-item:last-child { border-bottom: none; }
.carrito-item-img {
  width: 80px; height: 80px;
  object-fit: cover;
  background: var(--negro3);
}
.carrito-item-nombre { font-family: var(--font-sub); font-weight: 700; color: var(--blanco); }
.carrito-item-cat { font-size: 0.8rem; color: var(--rojo); letter-spacing: 1px; text-transform: uppercase; }
.carrito-item-precio { font-family: var(--font-title); font-size: 1.4rem; color: var(--blanco); }
.carrito-remove {
  background: none; border: none; color: var(--gris-claro);
  cursor: pointer; font-size: 1.2rem; transition: color var(--transition);
}
.carrito-remove:hover { color: var(--rojo); }
.carrito-resumen {
  background: var(--negro3);
  border: 1px solid var(--borde);
  padding: 28px;
}
.carrito-resumen-row {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--borde);
  font-size: 0.95rem;
  color: var(--metal);
}
.carrito-resumen-total {
  display: flex; justify-content: space-between;
  padding: 16px 0 0;
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--blanco);
}
.carrito-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--gris-claro);
}
.carrito-empty-icon { font-size: 4rem; margin-bottom: 16px; }

/* ── Carrito flotante (icono navbar) ── */
.carrito-icon {
  position: relative;
  cursor: pointer;
}
.carrito-count {
  position: absolute;
  top: -8px; right: -8px;
  background: var(--rojo);
  color: var(--blanco);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ── Responsive Tienda ── */
@media (max-width: 1100px) { .productos-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) {
  .productos-grid { grid-template-columns: repeat(2, 1fr); }
  .producto-detalle { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 600px) {
  .productos-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .carrito-item { grid-template-columns: 60px 1fr; }
  .carrito-item-precio, .carrito-remove { grid-column: 2; }
}