.card {
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  background: linear-gradient(
    120deg,
    rgba(255,255,255,0.08),
    transparent,
    rgba(255,255,255,0.08)
  );
  pointer-events: none;
}