.main.main-page.has-breadcrumb {
  position: relative;
  overflow: hidden;
}

.main.main-page.has-breadcrumb::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;

  /* Patrón diagonal institucional */
  background-image:
    linear-gradient(
      45deg,
      transparent 47%,
      rgba(0,0,0,0.08) 48%,
      rgba(0,0,0,0.08) 52%,
      transparent 53%
    ),
    linear-gradient(
      -45deg,
      transparent 47%,
      rgba(0,0,0,0.08) 48%,
      rgba(0,0,0,0.08) 52%,
      transparent 53%
    );

  background-size: 48px 48px;

  /* Máscara doble: aparición abajo + desvanecimiento final */
  -webkit-mask-image:
    radial-gradient(
      ellipse 75% 55% at 50% 75%,
      #000 35%,
      transparent 80%
    ),
    linear-gradient(
      to bottom,
      transparent 0%,
      #000 60%,
      #000 85%,
      transparent 100%
    );

  mask-image:
    radial-gradient(
      ellipse 75% 55% at 50% 75%,
      #000 35%,
      transparent 80%
    ),
    linear-gradient(
      to bottom,
      transparent 0%,
      #000 60%,
      #000 85%,
      transparent 100%
    );

  /* Clave: cómo se combinan las máscaras */
  -webkit-mask-composite: intersect;
  mask-composite: intersect;

  opacity: 1;
}

/* Contenido siempre por encima */
.main.main-page.has-breadcrumb > * {
  position: relative;
  z-index: 1;
}