.quantum-footer {
  background-color: black;
  color: #c8c8c8;
  overflow: hidden;
}


.quantum-footer .content-container {
  padding: 8rem 5rem 7rem;
  display: flex;
  justify-content: center;
}

@media screen and (max-width: 991px) {
  .quantum-footer .content-container {
        padding: 3rem 4rem;
  }
}

@media screen and (max-width: 479px) {
  .quantum-footer .content-container {
    padding: 2rem 20px 1rem;
  }
}

.quantum-footer .content-container .company-container {
  display: flex;
  column-gap: 5rem;
  font-size: 14px;
  line-height: 24px;
  max-width: 1440px;
  width: 100%;
}

@media screen and (max-width: 479px) {
  .quantum-footer .content-container .company-container {
    flex-direction: column;
    column-gap: 0;
    row-gap: 2rem;
  }
}

.quantum-footer .content-container .company-container .stack:first-child {
  display: flex;
  flex-direction: column;
  color: inherit;
  opacity: 0;
  transform: translateY(110px);
  transition: 1s all ease;
}

.quantum-footer .content-container .company-container .stack:nth-child(2) {
  display: flex;
  flex-direction: column;
  color: inherit;
  opacity: 0;
  transform: translateY(80px);
  transition: 1s all ease;
}
.quantum-footer .content-container .company-container .stack:first-child.active,
.quantum-footer .content-container .company-container .stack:nth-child(2).active {
  transform: translateY(0);
  transform-style: preserve-3d;
  opacity: 1;
}

@media screen and (max-width: 479px) {
  .quantum-footer .content-container .company-container .stack:first-child,
  .quantum-footer .content-container .company-container .stack:nth-child(2) {
    flex-direction: row;
    justify-content: space-between;
    transform: translateY(50px);
  }
}

.quantum-footer .content-container .company-container .stack:visited {
  color: inherit;
}
.quantum-footer .content-container .company-container .stack .logo {
  max-width: 150px;
  max-height: 50px;
  display: flex;
  justify-content: start;
  margin-bottom: 1rem;
  overflow: hidden;
}

.quantum-footer .content-container .company-container .stack .address {
  display: flex;
  flex-direction: column;
}

