#services .row {
  display: flex;
  flex-wrap: wrap;
}

#services .col-lg-3 {
  display: flex;
  flex-direction: column;
}

#services .service-item {
  display: flex;
  flex-direction: column;
  flex: 1;
  /* optional: Mindeshöhe, falls benötigt */
  min-height: 300px;
}