/* 2026 platform positioning: add the shared review/learning stage to the operating loop. */
.chain { grid-template-columns: repeat(4, 1fr); }
.chain-step.intelligence h3 { color: var(--blue); }
.chain-step.intelligence strong { color: #305f7f; }

@media (max-width: 850px) {
  .chain { grid-template-columns: 1fr; }
}