/*---------------------------------------
  CALL TO ACTION              
-----------------------------------------
.reference {
  background-image: var(--bg-img-reference);
  background-repeat: no-repeat;
  background-position: top;
  background-size: cover;
  background-attachment: fixed;
  position: relative;
}
*/

.reference .row {
  position: relative;
  z-index: 2;
}

.reference .custom-btn {
  background: var(--white-color);
  color: var(--dark-color);
}

.reference .custom-btn:hover {
  background: var(--primary-color);
  color: var(--white-color);
}