.plan-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 520px;
}
@media (max-width: 1280px) {
  .plan-card { min-height: 480px; }
}
@media (max-width: 1024px) {
  .plan-card { min-height: 420px; }
}
@media (max-width: 640px) {
  .plan-card { min-height: 360px; }
}
.plan-card__cta {
  margin-top: auto;
}