:root {
  --cl-deep: #08121b;
  --cl-navy: #e6eef5;
  --cl-blue: #62a8ff;
  --cl-cyan: #4dd4b3;
  --cl-mint: rgba(77,212,179,.13);
  --cl-amber: #f4c96b;
  --cl-red: #ef7c83;
  --cl-ink: #dce6ed;
  --cl-muted: #9fb0be;
  --cl-line: #263746;
  --cl-soft: #0a1620;
  --cl-white: #0d1924;
}

.closed-loop-hero { background: linear-gradient(135deg, #0a1722 0%, #0d1b27 52%, #0a1d1b 100%); }
.closed-loop-hero .case-status { border: 1px solid rgba(77,212,179,.38); background: rgba(77,212,179,.12); color: #8cebd4; }
.closed-loop-hero .hero-shell { position: relative; overflow: hidden; }
.closed-loop-hero .hero-shell::after { content: ""; position: absolute; right: -80px; bottom: -130px; width: 360px; height: 360px; border: 1px solid rgba(47,109,246,.18); border-radius: 50%; box-shadow: 0 0 0 42px rgba(47,109,246,.04), 0 0 0 84px rgba(22,168,184,.035); pointer-events: none; }
.cl-label { display: inline-flex; align-items: center; gap: .45rem; padding: .38rem .68rem; border: 1px solid var(--cl-line); border-radius: 999px; color: var(--cl-muted); background: rgba(13,25,36,.9); font-size: .74rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.cl-label::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: var(--cl-blue); }
.cl-label.concept::before { background: var(--cl-amber); }
.cl-note { margin-top: 1rem; color: var(--cl-muted); font-size: .92rem; }

.cl-loop { display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); align-items: stretch; gap: .65rem; margin-top: 2rem; }
.cl-loop article { position: relative; min-height: 148px; padding: 1rem; border: 1px solid var(--cl-line); border-radius: 18px; background: var(--cl-white); box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.cl-loop article:not(:last-child)::after { content: "→"; position: absolute; top: 50%; right: -.68rem; z-index: 2; width: .7rem; color: var(--cl-blue); font-weight: 900; text-align: center; transform: translateY(-50%); }
.cl-loop span { display: block; margin-bottom: .9rem; color: var(--cl-blue); font-size: .73rem; font-weight: 900; }
.cl-loop strong { display: block; color: var(--cl-navy); font-size: .95rem; line-height: 1.25; }
.cl-loop small { display: block; margin-top: .5rem; color: var(--cl-muted); line-height: 1.45; }

.cl-boundary-grid, .cl-routing-grid, .cl-governance-grid, .cl-validation-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.cl-boundary-card, .cl-routing-card, .cl-governance-card, .cl-validation-card { padding: 1.35rem; border: 1px solid var(--cl-line); border-radius: 18px; background: var(--cl-white); }
.cl-boundary-card.demo { border-top: 4px solid var(--cl-blue); }
.cl-boundary-card.concept { border-top: 4px solid var(--cl-amber); }
.cl-boundary-card.future { border-top: 4px solid var(--cl-cyan); }
.cl-boundary-card h3, .cl-routing-card h3, .cl-governance-card h3, .cl-validation-card h3 { margin: .65rem 0 .45rem; color: var(--cl-navy); }
.cl-boundary-card p, .cl-routing-card p, .cl-governance-card p, .cl-validation-card p { margin: 0; color: var(--cl-muted); }

.cl-demo-shell { overflow: hidden; border: 1px solid var(--cl-line); border-radius: 24px; background: var(--cl-deep); box-shadow: 0 28px 70px rgba(0,0,0,.34); }
.cl-demo-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 1.25rem; color: white; background: var(--cl-deep); }
.cl-demo-brand { display: flex; align-items: center; gap: .7rem; font-weight: 850; }
.cl-cloud { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--cl-blue); font-size: .72rem; }
.cl-demo-top small { color: #bcd0e8; }
.cl-demo-body { display: grid; grid-template-columns: 230px minmax(0,1fr); min-height: 640px; }
.cl-scenario-panel { padding: 1.1rem; border-right: 1px solid var(--cl-line); background: #0b1721; }
.cl-scenario-panel h3 { margin: 0 0 .25rem; color: var(--cl-navy); }
.cl-scenario-panel > p { margin: 0 0 1rem; color: var(--cl-muted); font-size: .86rem; }
.cl-scenario-list { display: grid; gap: .55rem; }
.cl-scenario { width: 100%; padding: .82rem; border: 1px solid transparent; border-radius: 13px; color: var(--cl-ink); background: transparent; text-align: left; cursor: pointer; }
.cl-scenario:hover { background: rgba(255,255,255,.055); }
.cl-scenario[aria-pressed="true"] { border-color: #b9cbf8; background: var(--cl-white); box-shadow: 0 8px 20px rgba(17,35,63,.08); }
.cl-scenario strong, .cl-scenario small { display: block; }
.cl-scenario small { margin-top: .3rem; color: var(--cl-muted); line-height: 1.35; }
.cl-demo-main { padding: 1.25rem; }
.cl-demo-context { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.cl-demo-context h3 { margin: .25rem 0; color: var(--cl-navy); font-size: 1.35rem; }
.cl-demo-context p { margin: 0; color: var(--cl-muted); }
.cl-demo-badge { align-self: flex-start; padding: .48rem .68rem; border-radius: 999px; color: #8cebd4; background: var(--cl-mint); font-size: .75rem; font-weight: 850; }
.cl-progress { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: .35rem; margin: 1.2rem 0; }
.cl-progress button { min-height: 52px; padding: .55rem .4rem; border: 1px solid var(--cl-line); border-radius: 10px; color: var(--cl-muted); background: #142330; font-size: .72rem; font-weight: 800; cursor: pointer; }
.cl-progress button.is-complete { color: #8cebd4; background: rgba(77,212,179,.12); }
.cl-progress button.is-active { color: white; background: var(--cl-blue); box-shadow: 0 7px 15px rgba(47,109,246,.24); }
.cl-stage { min-height: 340px; padding: 1.25rem; border: 1px solid var(--cl-line); border-radius: 18px; background: var(--cl-white); }
.cl-stage-header { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.cl-stage-header span { color: var(--cl-blue); font-size: .75rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.cl-stage-header h4 { margin: .35rem 0 .6rem; color: var(--cl-navy); font-size: 1.25rem; }
.cl-stage-header p { max-width: 700px; margin: 0; color: var(--cl-muted); }
.cl-confidence { flex: 0 0 auto; text-align: right; }
.cl-confidence strong { display: block; color: var(--cl-navy); font-size: 1.35rem; }
.cl-confidence small { color: var(--cl-muted); }
.cl-stage-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; margin-top: 1.2rem; }
.cl-stage-card { padding: 1rem; border: 1px solid var(--cl-line); border-radius: 14px; background: var(--cl-soft); }
.cl-stage-card small { display: block; margin-bottom: .4rem; color: var(--cl-muted); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.cl-stage-card strong { display: block; color: var(--cl-navy); }
.cl-stage-card p { margin: .5rem 0 0; color: var(--cl-muted); font-size: .9rem; }
.cl-source-list { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.cl-source-list span { padding: .35rem .5rem; border: 1px solid var(--cl-line); border-radius: 8px; color: var(--cl-muted); background: var(--cl-white); font-size: .74rem; font-weight: 750; }
.cl-actors { display: grid; gap: .5rem; }
.cl-actor { display: flex; gap: .7rem; align-items: center; padding: .65rem; border-radius: 10px; background: var(--cl-white); }
.cl-actor i { width: .65rem; height: .65rem; border-radius: 50%; background: var(--cl-cyan); }
.cl-actor.human i { background: var(--cl-amber); }
.cl-actor.system i { background: var(--cl-blue); }
.cl-actor b, .cl-actor small { display: block; }
.cl-actor b { color: var(--cl-navy); }
.cl-actor small { margin: .12rem 0 0; color: var(--cl-muted); text-transform: none; letter-spacing: 0; font-weight: 500; }
.cl-demo-controls { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.cl-demo-controls button { min-height: 44px; padding: .72rem 1rem; border: 1px solid var(--cl-line); border-radius: 10px; color: var(--cl-navy); background: var(--cl-white); font-weight: 800; cursor: pointer; }
.cl-demo-controls .cl-next { border-color: var(--cl-blue); color: white; background: var(--cl-blue); }
.cl-demo-controls button:disabled { opacity: .45; cursor: not-allowed; }
.cl-demo-live { margin: .85rem 0 0; color: var(--cl-muted); font-size: .82rem; }

.cl-architecture { overflow-x: auto; padding: 1.2rem; border: 1px solid var(--cl-line); border-radius: 20px; background: var(--cl-deep); }
.cl-architecture-grid { min-width: 900px; display: grid; grid-template-columns: repeat(5,1fr); gap: .7rem; align-items: stretch; }
.cl-arch-column { display: grid; gap: .6rem; }
.cl-arch-column > strong { padding: .55rem; color: var(--cl-muted); font-size: .72rem; text-align: center; text-transform: uppercase; letter-spacing: .06em; }
.cl-arch-box { display: grid; place-items: center; min-height: 82px; padding: .7rem; border: 1px solid var(--cl-line); border-radius: 13px; color: var(--cl-navy); background: var(--cl-white); font-weight: 800; text-align: center; }
.cl-arch-box.salesforce { color: white; border-color: var(--cl-blue); background: var(--cl-blue); }
.cl-arch-box.ai { border-color: rgba(77,212,179,.48); background: rgba(77,212,179,.1); }
.cl-arch-box.people { border-color: rgba(244,201,107,.48); background: rgba(244,201,107,.1); }

.cl-route-table { width: 100%; border-collapse: collapse; overflow: hidden; border: 1px solid var(--cl-line); border-radius: 16px; background: var(--cl-white); }
.cl-route-table th, .cl-route-table td { padding: .9rem; border-bottom: 1px solid var(--cl-line); text-align: left; vertical-align: top; }
.cl-route-table th { color: var(--cl-navy); background: var(--cl-deep); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.cl-route-table td { color: var(--cl-muted); font-size: .9rem; }
.cl-route-table td:first-child { color: var(--cl-navy); font-weight: 800; }
.cl-route-table tr:last-child td { border-bottom: 0; }
.cl-mechanism { display: inline-block; margin: .12rem .2rem .12rem 0; padding: .28rem .45rem; border-radius: 7px; color: #bcd9ff; background: rgba(98,168,255,.12); font-size: .72rem; font-weight: 800; }

.cl-intelligence { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; }
.cl-metric { padding: 1rem; border: 1px solid var(--cl-line); border-radius: 16px; background: var(--cl-white); }
.cl-metric span { color: var(--cl-muted); font-size: .78rem; font-weight: 800; }
.cl-metric strong { display: block; margin: .45rem 0 .2rem; color: var(--cl-navy); font-size: 1.6rem; }
.cl-metric small { color: #8cebd4; }
.cl-signal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.cl-signal-panel { padding: 1.1rem; border: 1px solid var(--cl-line); border-radius: 16px; background: var(--cl-white); }
.cl-bar-row { display: grid; grid-template-columns: 145px 1fr 42px; gap: .65rem; align-items: center; margin: .75rem 0; color: var(--cl-muted); font-size: .82rem; }
.cl-bar { height: .55rem; overflow: hidden; border-radius: 999px; background: #21303d; }
.cl-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--cl-blue),var(--cl-cyan)); }
.cl-signal-list { display: grid; gap: .6rem; }
.cl-signal-list article { display: grid; grid-template-columns: auto 1fr; gap: .65rem; padding: .7rem; border-radius: 11px; background: var(--cl-soft); }
.cl-signal-list b { color: var(--cl-navy); }
.cl-signal-list span { color: var(--cl-muted); font-size: .82rem; }

.cl-kcs-loop { display: grid; grid-template-columns: repeat(4,1fr); gap: .75rem; }
.cl-kcs-loop article { position: relative; padding: 1.1rem; border: 1px solid var(--cl-line); border-radius: 16px; background: var(--cl-white); }
.cl-kcs-loop article:not(:last-child)::after { content: "→"; position: absolute; top: 50%; right: -.62rem; color: var(--cl-blue); font-weight: 900; transform: translateY(-50%); }
.cl-kcs-loop span { color: var(--cl-blue); font-size: .76rem; font-weight: 900; }
.cl-kcs-loop h3 { margin: .55rem 0 .35rem; color: var(--cl-navy); }
.cl-kcs-loop p { margin: 0; color: var(--cl-muted); }

.cl-decision { padding: 1.2rem; border-left: 4px solid var(--cl-amber); border-radius: 0 16px 16px 0; background: rgba(244,201,107,.09); }
.cl-decision strong { color: var(--cl-navy); }
.cl-decision p { margin: .35rem 0 0; color: var(--cl-muted); }
.cl-download-note { padding: 1rem; border: 1px dashed var(--cl-line); border-radius: 14px; color: var(--cl-muted); background: var(--cl-deep); }

@media (max-width: 980px) {
  .cl-loop { grid-template-columns: repeat(2,1fr); }
  .cl-loop article:not(:last-child)::after, .cl-kcs-loop article:not(:last-child)::after { display: none; }
  .cl-demo-body { grid-template-columns: 1fr; }
  .cl-scenario-panel { border-right: 0; border-bottom: 1px solid var(--cl-line); }
  .cl-scenario-list { grid-template-columns: repeat(3,1fr); }
  .cl-boundary-grid, .cl-routing-grid, .cl-governance-grid, .cl-validation-grid { grid-template-columns: 1fr 1fr; }
  .cl-intelligence { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .cl-loop, .cl-boundary-grid, .cl-routing-grid, .cl-governance-grid, .cl-validation-grid, .cl-scenario-list, .cl-stage-grid, .cl-signal-grid, .cl-kcs-loop { grid-template-columns: 1fr; }
  .cl-demo-main { padding: .8rem; }
  .cl-demo-top { align-items: flex-start; flex-direction: column; }
  .cl-progress { grid-template-columns: repeat(3,1fr); }
  .cl-stage { padding: 1rem; }
  .cl-stage-header { flex-direction: column; }
  .cl-confidence { text-align: left; }
  .cl-demo-controls { flex-wrap: wrap; }
  .cl-intelligence { grid-template-columns: 1fr 1fr; }
  .cl-bar-row { grid-template-columns: 105px 1fr 32px; }
  .cl-route-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}