/* A working example of the existing engagement approach. */
#approach .approach-heading > .approach-support-copy { margin-top: 16px; font-size: 13px; }
.approach-lab { margin-top: 65px; padding: 32px; background: var(--night-soft, #ebefdf); border: 1px solid var(--night-border, #c6d0b6); border-radius: 6px; }
.approach-lab-heading { display: flex; justify-content: space-between; align-items: end; gap: 35px; margin-bottom: 25px; }
.approach-lab-kicker { color: var(--moss); font-size: 9px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; line-height: 1.6; }
.approach-lab-heading h3 { margin-top: 10px; font-size: 25px; font-weight: 600; letter-spacing: -.8px; line-height: 1.3; }
.approach-lab-heading > p { max-width: 280px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.approach-usecases { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 27px; }
.approach-usecases[hidden] { display: none; }
.approach-usecase { border: 1px solid var(--night-border, #b9c5a6); border-radius: 3px; background: var(--night-surface, #f6f7ee); color: var(--forest); padding: 11px 15px; font: 500 11px/1.4 var(--sans); cursor: pointer; }
.approach-usecase:hover { background: var(--night-soft, #e0e9cb); }
.approach-usecase[aria-pressed="true"] { background: var(--night-strong, var(--forest)); color: var(--night-on-strong, var(--paper)); border-color: var(--forest); }
.approach-fallback-label { color: var(--moss); font-size: 11px; line-height: 1.7; margin-bottom: 23px; }
.approach-lab.is-interactive .approach-fallback-label { display: none; }
.approach-flow { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; list-style: none; margin: 0; padding: 0; }
.approach-flow > li { position: relative; min-width: 0; }
.approach-flow > li:not(:last-child)::after { position: absolute; z-index: 1; content: "→"; top: 50%; right: -16px; transform: translateY(-50%); color: var(--night-muted, #738462); font-size: 17px; }
.approach-node { display: flex; flex-direction: column; width: 100%; height: 100%; min-height: 183px; padding: 18px 16px; text-align: left; border: 1px solid var(--night-border, #c2ccb0); border-radius: 4px; background: var(--night-surface, #fbfcf5); color: var(--ink); font-family: var(--sans); cursor: pointer; }
.approach-node:disabled { cursor: default; opacity: 1; }
.approach-lab.is-interactive .approach-node:hover { border-color: var(--night-border, #71865a); background: var(--night-surface, #f2f6e8); }
.approach-node[aria-pressed="true"] { border-color: var(--forest); background: var(--night-strong, var(--forest)); color: var(--night-on-strong, var(--paper)); }
.approach-lab.is-interactive .approach-node[aria-pressed="true"]:hover { background: var(--night-strong, var(--forest)); }
.approach-node-top { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.approach-node-number { color: var(--moss); font-size: 9px; font-variant-numeric: tabular-nums; }
.approach-node-icon { width: 25px; height: 25px; stroke: var(--moss); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.approach-node > strong { font-family: var(--heading); font-size: 14px; font-weight: 600; line-height: 1.35; letter-spacing: -.35px; }
.approach-node-summary { display: block; color: var(--muted); font-size: 10px; line-height: 1.7; margin-top: 10px; }
.approach-node[aria-pressed="true"] .approach-node-number { color: var(--night-text, #d5e0be); }
.approach-node[aria-pressed="true"] .approach-node-icon { stroke: var(--lime); }
.approach-node[aria-pressed="true"] .approach-node-summary { color: var(--night-text, #d3dbc9); }
.approach-detail { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; margin-top: 24px; padding: 25px 27px; border: 1px solid var(--night-border, #c7d1b8); border-radius: 4px; background: var(--night-surface, #f7f8f0); }
.approach-detail-context { color: var(--moss); font-size: 9px; font-weight: 550; letter-spacing: .9px; text-transform: uppercase; line-height: 1.6; }
.approach-detail h4 { font-family: var(--heading); font-size: 20px; font-weight: 600; line-height: 1.4; letter-spacing: -.65px; margin: 12px 0 0; }
.approach-detail-intro { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 13px; }
.approach-detail dl { display: grid; grid-template-columns: 1fr 1fr; align-content: start; gap: 19px 26px; margin: 0; }
.approach-detail dt { color: var(--forest); font-size: 10px; font-weight: 600; line-height: 1.5; }
.approach-detail dd { color: var(--muted); font-size: 11px; line-height: 1.8; margin: 6px 0 0; }
.approach-lab-foot { display: flex; justify-content: space-between; gap: 20px; margin-top: 18px; }
.approach-lab-foot > p { max-width: 680px; color: var(--muted); font-size: 10px; line-height: 1.8; }
.approach-lab-foot > span { flex-shrink: 0; display: none; color: var(--moss); font-size: 10px; line-height: 1.8; }
.approach-lab.is-interactive .approach-lab-foot > span { display: block; }

@media (max-width: 1100px) {
  .approach-lab { padding: 27px; }
  .approach-flow { gap: 16px; }
  .approach-flow > li:not(:last-child)::after { right: -14px; font-size: 15px; }
  .approach-node { padding: 17px 13px; min-height: 190px; }
  .approach-node > strong { font-size: 13px; }
  .approach-detail { gap: 27px; padding: 23px; }
}
@media (max-width: 800px) {
  .approach-lab { margin-top: 47px; padding: 25px; }
  .approach-lab-heading { gap: 25px; align-items: start; }
  .approach-lab-heading h3 { font-size: 23px; }
  .approach-lab-heading > p { max-width: 220px; font-size: 10px; }
  .approach-flow { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 23px; }
  .approach-flow > li:nth-child(2)::after { display: none; }
  .approach-flow > li:not(:last-child)::after { right: -18px; }
  .approach-node { min-height: 164px; padding: 18px; }
  .approach-node > strong { font-size: 14px; }
  .approach-node-summary { font-size: 11px; }
  .approach-detail { grid-template-columns: 1fr; gap: 23px; }
  .approach-detail h4 { max-width: 450px; font-size: 22px; }
  .approach-detail-intro { max-width: 500px; }
  .approach-lab-foot > span { display: none !important; }
}
@media (max-width: 620px) {
  #approach .approach-heading > .approach-support-copy { font-size: 13px; margin-top: 16px; }
  .approach-lab { margin-top: 39px; padding: 22px 19px; }
  .approach-lab-heading { flex-direction: column; gap: 16px; margin-bottom: 23px; }
  .approach-lab-heading h3 { font-size: 24px; margin-top: 9px; }
  .approach-lab-heading > p { font-size: 12px; max-width: 340px; }
  .approach-usecases { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 24px; }
  .approach-usecase { padding: 12px 9px; font-size: 10px; min-height: 44px; }
  .approach-flow { grid-template-columns: 1fr; gap: 23px; }
  .approach-flow > li:not(:last-child)::after, .approach-flow > li:nth-child(2)::after { display: block; content: "↓"; left: 24px; right: auto; top: auto; bottom: -22px; transform: none; font-size: 17px; }
  .approach-node { display: grid; grid-template-columns: 36px 1fr; gap: 0 14px; min-height: 0; padding: 17px; }
  .approach-node-top { flex-direction: column-reverse; align-items: start; justify-content: start; gap: 10px; grid-column: 1; grid-row: 1 / 3; margin: 0; }
  .approach-node-number { font-size: 9px; }
  .approach-node-icon { width: 24px; height: 24px; }
  .approach-node > strong { grid-column: 2; font-size: 14px; line-height: 1.4; }
  .approach-node > strong br { display: none; }
  .approach-node-summary { grid-column: 2; font-size: 11px; margin-top: 8px; }
  .approach-detail { margin-top: 23px; padding: 21px 19px; gap: 23px; }
  .approach-detail h4 { font-size: 21px; line-height: 1.4; }
  .approach-detail-intro { font-size: 12px; }
  .approach-detail dl { grid-template-columns: 1fr; gap: 18px; }
  .approach-detail dt { font-size: 11px; }
  .approach-detail dd { font-size: 12px; margin-top: 5px; }
  .approach-lab-foot > p { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .approach-node, .approach-usecase { transition: none; }
}