.dc-btn--smart{
  background: linear-gradient(135deg, #1a6f87 0%, #2aa7c7 100%);
  border-color: transparent;
  color: #fff;
  border-radius: 999px;
  padding: 0 18px;
  box-shadow: 0 6px 14px rgba(26,111,135,.24);
}

.dc-btn--smart:hover{
  filter: brightness(1.03);
  box-shadow: 0 8px 16px rgba(26,111,135,.30);
}