@media (max-width: 1180px) {
  .builder-grid,
  .lower-grid {
    grid-template-columns: 1fr 1fr;
  }

  .workflow-panel {
    grid-column: 1 / -1;
    order: 3;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    flex-wrap: wrap;
    padding: 16px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .top-actions {
    margin-left: auto;
  }

  .app-shell {
    width: min(100% - 24px, 720px);
    margin-top: 12px;
  }

  .summary-band,
  .builder-grid,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .summary-band {
    display: grid;
    padding-top: 14px;
  }

  .proof-points {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 38px;
  }

  .workflow-canvas {
    min-height: 500px;
  }

  .node {
    width: min(190px, calc(100% - 24px));
  }
}