/* ─────────────────────────────────────────────────────────────
   Ambient background — fixed, behind everything.
   v2 · trimmed: just the grid + constellation nodes.
   Removed: pulsing arcs, radial topo gradients.
   ───────────────────────────────────────────────────────────── */

.bg-layer {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(79,184,212,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,184,212,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Constellation nodes — small pulsing dots, brand signature.
   They mirror the terminal dots on the LexOutLoud logo's polyhedron.  */
.node {
  position: absolute;
  border-radius: 50%;
  animation: node-pulse 4s ease-in-out infinite;
}
.node::after {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0.2;
  animation: node-ring 4s ease-in-out infinite;
}
@keyframes node-pulse { 0%,100%{opacity:.4;transform:scale(1)} 50%{opacity:.9;transform:scale(1.15)} }
@keyframes node-ring  { 0%,100%{transform:scale(1);opacity:.15} 50%{transform:scale(2);opacity:0} }