/* A decorative layer above section washes, below every content surface. */
.neural-background {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
.marketing-page .section-inner,
.marketing-page .closing-card,
.marketing-page .footer-inner { position: relative; z-index: 2; }
.neural-motion-toggle {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 45;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid rgba(103,86,111,.22);
  border-radius: 999px;
  background: rgba(255,252,250,.94);
  box-shadow: 0 4px 20px rgba(79,63,89,.08);
  color: #67566f;
  font: 600 11px/1.5 -apple-system, BlinkMacSystemFont, "Yu Gothic", sans-serif;
  cursor: pointer;
}
.neural-motion-toggle::before { content: "Ⅱ"; font-size: 13px; }
.neural-motion-toggle[aria-pressed="true"]::before { content: "▷"; }
.neural-motion-toggle[hidden] { display: none; }
@media (max-width: 600px) {
  .neural-motion-toggle { right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); padding: 8px 12px; }
}