Neon Grid

<!-- Neon Grid — retro glowing grid floor -->
<div class="nuda-neon-grid" aria-hidden="true">
  <div class="nuda-neon-grid__floor"></div>
</div>

/* ── Neon Grid ───────────────────────────────────────────────
   A retro "outrun" floor: a perspective-tilted grid whose lines
   scroll toward the viewer by shifting background-position only.
   Customize:
     --neon-grid-color : grid line hue
     --neon-grid-speed : scroll cycle
   ──────────────────────────────────────────────────────────── */
.nuda-neon-grid {
  --neon-grid-color: #e4ff54;
  --neon-grid-speed: 1.6s;
  position: relative;
  width: 240px;
  height: 120px;
  background: #09090b;
  border-radius: 12px;
  overflow: hidden;
  perspective: 160px;
}

/* Fade the far edge into the background for depth. */
.nuda-neon-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #09090b 0%, rgba(9, 9, 11, 0) 45%);
  z-index: 1;
  pointer-events: none;
}

.nuda-neon-grid__floor {
  position: absolute;
  left: -50%;
  right: -50%;
  bottom: -20%;
  height: 160%;
  background-image:
    linear-gradient(rgba(228, 255, 84, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228, 255, 84, 0.5) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: rotateX(72deg);
  transform-origin: bottom center;
  filter: drop-shadow(0 0 4px rgba(228, 255, 84, 0.5));
  animation: nuda-neon-grid-scroll var(--neon-grid-speed) linear infinite;
  will-change: background-position;
}

@keyframes nuda-neon-grid-scroll {
  0%   { background-position: 0 0; }
  100% { background-position: 0 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .nuda-neon-grid__floor { animation: none; }
}