@media (min-width: 992px) {
  /* Si solo tienes activa la columna derecha */
  body.wrapper-static.has-sidebar-right:not(.has-sidebar-left) .site-grid {
    grid-template-columns: [full-start] minmax(0, 1fr) [main-start] minmax(0, 55rem) minmax(0, 25rem) [main-end] minmax(0, 1fr) [full-end];
  }
}