:root{
  --bg-ink:#010318;
  --neon:#D2FF00;
}
.neon-shadow{ box-shadow: 0 0 24px rgba(210,255,0,0.25), 0 0 64px rgba(210,255,0,0.12); }
.radial-glow{
  position: relative;
  overflow: hidden;
}
.radial-glow:before{
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(600px 600px at 60% 30%, rgba(210,255,0,0.12), transparent 60%);
  pointer-events: none;
}
.card{
  background: #0B0F19;
  border: 1px solid #1f2430;
  border-radius: 16px;
}
.card:hover{ border-color: var(--neon); box-shadow: 0 0 24px rgba(210,255,0,0.18); }