/* =============================================
   PRODUCTO — Página de detalle
   ============================================= */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 40px 60px;
}

.product-detail {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.product-detail .loading {
  text-align: center;
  font-size: 20px;
  color: var(--muted);
  padding: 80px 0;
}

/* Layout principal: imagen + info */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* Imagen */
.product-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #e7e2da;
  cursor: zoom-in;
}

.product-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  display: block;
}

.product-image .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}

/* Información */
.product-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.product-info .category {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
}

.product-info h1 {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  margin: 0;
}

.product-info .price {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

.product-info .description {
  color: var(--muted);
  line-height: 1.8;
  font-size: 16px;
  max-width: 520px;
}

/* Especificaciones técnicas */
.specs {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.specs h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 16px;
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
}

.specs-grid .spec-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.specs-grid .spec-item .label {
  color: var(--muted);
}

.specs-grid .spec-item .value {
  font-weight: 500;
}

/* Botón de acción */
.btn-product {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 14px 36px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-align: center;
  align-self: flex-start;
  text-decoration: none;
}

.btn-product:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

/* Galería adicional (miniaturas) */
.product-thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.product-thumbnails img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}

.product-thumbnails img:hover,
.product-thumbnails img.active {
  border-color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product-info h1 {
    font-size: 36px;
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 20px 16px 40px;
  }

  .product-info h1 {
    font-size: 28px;
  }

  .product-image img {
    aspect-ratio: 1/1;
  }

  .btn-product {
    width: 100%;
    text-align: center;
  }
}