/* Marca d'água com texto "GARANTIA DE 30 DIAS" */
.wm {
  position: relative !important;
  overflow: hidden;
}

.wm::after {
  content: "GARANTIA DE 30 DIAS";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  color: rgba(255, 255, 255, 0.85); /* texto branco */
  background: rgba(0, 0, 0, 0.25);   /* leve sombreado no fundo */
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  transform: rotate(-25deg);
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
}

.wm img {
  position: relative;
  z-index: 1;
}