/* Demos use only first-party, local browser code. */
[hidden]{display:none!important}.hero-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.hero-actions>a:not(.button){font-size:.85rem;font-weight:600}.demo-section{background:#f0f3ef;border-bottom:1px solid var(--line)}.demo-section .section-heading{max-width:820px}.demo-jumps{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0 38px}.demo-jumps a{font-size:.79rem;border:1px solid #b5c9c2;border-radius:3px;padding:9px 13px;text-decoration:none;background:#faf9f5;font-weight:600}.demo-jumps a:hover{background:#dfeae4}.demo-card{border:1px solid #cddbd5;background:var(--paper);border-radius:7px;padding:32px;margin:0 0 28px;box-shadow:0 5px 18px #102b3504;scroll-margin-top:24px}.demo-card:last-child{margin-bottom:0}.demo-heading{max-width:760px;margin-bottom:23px}.demo-heading .eyebrow{margin-bottom:11px}.demo-heading h3{font-size:clamp(1.6rem,2.8vw,2.05rem);line-height:1.15;margin-bottom:14px}.demo-heading>p:last-child{font-size:.94rem;line-height:1.65;margin-bottom:0}.demo-controls{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin-bottom:25px}.demo-card fieldset{padding:0;margin:0;border:0;min-width:0}.demo-card legend{font-size:.79rem;font-weight:700;color:var(--ink);margin-bottom:10px;padding:0}.demo-card label{font-size:.85rem;color:var(--ink)}.demo-card input{accent-color:var(--teal)}.demo-card input[type=checkbox],.demo-card input[type=radio]{width:18px;height:18px;flex-shrink:0}.demo-card input[type=range]{width:100%;min-height:32px;cursor:pointer}.demo-card select,.demo-card button{font:inherit;font-size:.82rem;min-height:42px;border:1px solid #93aba5;border-radius:4px;background:#fff;padding:8px 12px;color:var(--ink);max-width:100%}.demo-card button{cursor:pointer;font-weight:650;background:#e8f0eb}.demo-card button:hover:not(:disabled){background:#d7e7de}.demo-card button:disabled{cursor:default;opacity:.5}.demo-card :is(button,select,input):focus-visible{outline:3px solid #bd6d0e;outline-offset:3px}.demo-label{font:600 .65rem ui-monospace,monospace;letter-spacing:.1em;color:var(--teal);margin-bottom:11px}.demo-assumption{border-top:1px solid var(--line);padding-top:17px;margin:22px 0 0;font-size:.76rem;line-height:1.7;color:var(--muted)}.demo-assumption strong{color:var(--text)}.demo-nojs{font-size:.8rem;padding:12px;background:#e9efea;border-radius:4px}.demo-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){.demo-card{padding:22px 18px}.demo-jumps{gap:8px;margin-bottom:25px}.demo-jumps a{font-size:.75rem;padding:8px 11px}.demo-controls{padding:18px 0}.demo-heading>p:last-child{font-size:.9rem}}
@media(max-width:440px){.demo-section{padding-left:12px;padding-right:12px}.demo-section>.section-heading,.demo-jumps{margin-left:10px;margin-right:10px}.demo-card{padding:22px 14px}.hero-actions{gap:17px}.demo-card select{font-size:.8rem}}
@media print{.demo-controls,.demo-jumps,.demo-card button{display:none!important}.demo-section{background:white}.demo-card{padding:20px 0;box-shadow:none;border:none;border-top:1px solid #aaa}.demo-heading h3{font-size:20pt}.demo-assumption{font-size:9pt}}

/* Optional-awareness sketch. All classes and controls are scoped to saf-. */
.saf-demo .saf-heading{max-width:850px}.saf-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:start}.saf-stage,.saf-information{min-width:0}.saf-figure{margin:0;background:#102b35;color:#d8e5e6;border-radius:5px 5px 0 0;overflow:hidden}.saf-scene-label{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:16px 18px 0;font:600 .61rem/1.4 ui-monospace,monospace;letter-spacing:.03em;color:#bbd1d5}.saf-scene-label span:last-child{color:#f1bd6a}.saf-scene{display:block;width:100%;height:auto;max-height:320px}.saf-road{fill:#304a54}.saf-road-line{stroke:#6d858c;stroke-width:2;fill:none;stroke-dasharray:10 12}.saf-cycle-route{stroke:#7dad9f;stroke-width:2;fill:none;stroke-dasharray:3 7;opacity:.6}.saf-sight{fill:none;stroke:#f1bd6a;stroke-width:3;stroke-dasharray:7 7}.saf-cue-line{fill:none;stroke:#9fe0ca;stroke-width:3;stroke-dasharray:3 8}.saf-van>rect:first-child{fill:#93a5ac;stroke:#e2ecee;stroke-width:2}.saf-van>rect:nth-child(2){fill:#536e78}.saf-van text{fill:#102b35;text-anchor:middle;font:750 15px system-ui,sans-serif;letter-spacing:1px}.saf-car rect{fill:#faf9f5;stroke:#102b35;stroke-width:2}.saf-car path{stroke:#7db7b2;stroke-width:3;fill:none}.saf-car-label{fill:#dae5e7;font:600 17px ui-monospace,monospace;letter-spacing:1px}.saf-cyclist{fill:none;stroke:#a5ead1;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}.saf-cyclist .saf-radio-ring{stroke:#a5ead1;stroke-width:1.5;stroke-dasharray:3 6;fill:#90ceb711}.saf-cyclist-label{fill:#a5ead1;font:600 17px ui-monospace,monospace;letter-spacing:.5px}.saf-figure figcaption{padding:0 18px 16px;font-size:.73rem;line-height:1.45;color:#c1d5d8}.saf-controls{background:#eaf0eb;border:1px solid #c6d6ce;border-top:0;padding:15px 17px}.saf-progress-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;line-height:1.4}.saf-progress-label label{font-weight:700!important;font-size:.8rem!important}.saf-progress-label output{font:500 .68rem ui-monospace,monospace;white-space:nowrap;color:#536a70}.saf-demo .saf-controls input[type=range]{display:block;width:100%;min-height:32px;margin:3px 0 5px}.saf-control-row{display:flex;gap:12px;align-items:center;justify-content:space-between}.saf-demo .saf-toggle{display:flex;align-items:center;gap:8px;font-size:.77rem;line-height:1.4;cursor:pointer}.saf-demo .saf-toggle input{margin:0;flex:0 0 19px;width:19px;height:19px}.saf-demo #saf-next{font-size:.74rem;min-height:42px;padding:8px 10px;flex-shrink:0}.saf-demo .saf-control-help{font-size:.69rem;line-height:1.45;margin:7px 0 0;color:#4b6369}.saf-cue{padding:14px 17px;border:1px solid #c6d6ce;border-top:0;background:#fff;border-radius:0 0 5px 5px}.saf-cue[data-state=cue]{border-left:4px solid #176268;padding-left:14px;background:#eef5ef}.saf-cue>strong{display:block;font-size:.88rem;line-height:1.45;color:#102b35}.saf-demo .saf-cue>p{font-size:.77rem;line-height:1.5;margin:5px 0 0}.saf-demo .saf-off-note{font-size:.76rem;line-height:1.6;margin:15px 0 0}.saf-information{padding:2px 0}.saf-information h4{font-size:1.25rem;line-height:1.3;letter-spacing:-.02em;margin:0 0 18px;color:#102b35}.saf-data{margin:0}.saf-data>div{border-top:1px solid #d3ded7;padding:13px 0}.saf-data dt{font:600 .66rem/1.45 ui-monospace,monospace;color:#50696e;margin:0 0 6px;letter-spacing:.025em}.saf-data dd{font-size:.9rem;font-weight:600;line-height:1.5;color:#102b35;margin:0}.saf-data .saf-omitted dd{font-weight:450}.saf-demo .saf-information-note{font-size:.77rem;line-height:1.65;margin:12px 0 19px}.saf-demo .saf-caveat{font-size:.82rem;line-height:1.65;border-left:3px solid #176268;padding-left:15px;margin:0}.saf-caveat>a{display:block;margin-top:7px;font-size:.78rem;font-weight:600}.saf-demo .saf-assumption{margin-top:24px}
.saf-van text{font-size:27px}.saf-car-label,.saf-cyclist-label{font-size:27px}.saf-legend{display:flex;gap:8px 20px;flex-wrap:wrap;margin-bottom:8px;color:#e6eef0}.saf-legend>span{display:inline-flex;align-items:center;gap:7px}.saf-key{display:inline-block;width:18px;height:0;flex:none;border-top:3px dashed}.saf-key-sight{border-color:#f1bd6a}.saf-key-exchange{border-color:#9fe0ca}.saf-scene-note{display:block}
@media(max-width:760px){.saf-layout{grid-template-columns:1fr;gap:25px}.saf-stage{width:100%}.saf-scene{max-height:310px}.saf-information h4{font-size:1.15rem;margin-bottom:15px}.saf-data{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.saf-data dd{font-size:.86rem}.saf-information{padding-top:0}.saf-demo .saf-information-note{margin-top:9px}}
@media(max-width:440px){.saf-scene-label{padding:13px 12px 0;font-size:.55rem;letter-spacing:0}.saf-figure figcaption{padding:0 12px 12px;font-size:.68rem}.saf-controls{padding:12px}.saf-progress-label label{font-size:.75rem!important}.saf-demo .saf-toggle{font-size:.71rem}.saf-demo #saf-next{font-size:.69rem;padding:7px 8px}.saf-control-row{gap:8px}.saf-cue{padding:12px}.saf-cue[data-state=cue]{padding-left:9px}.saf-cue>strong{font-size:.82rem}.saf-demo .saf-cue>p{font-size:.73rem}.saf-data{gap:0 14px}.saf-data dd{font-size:.79rem}.saf-data dt{font-size:.6rem}.saf-demo .saf-off-note{font-size:.72rem}}
@media(prefers-reduced-motion:reduce){.saf-demo *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.saf-controls{display:none!important}.saf-layout{display:block}.saf-stage{max-width:520px}.saf-figure{print-color-adjust:exact}.saf-information{margin-top:20px}.saf-data{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.saf-live{display:none}}

/* Isolated route-observation demo. No dependencies or remote assets. */
.demo-card.trk-demo{padding:0;margin:0 0 28px}.trk-demo .demo-heading{margin-bottom:0}
.trk-demo{--trk-ink:#102b35;--trk-teal:#176268;--trk-gold:#f1bd6a;--trk-line:#ccd9d5;--trk-muted:#4a646c;max-width:1120px;margin:40px auto 0;border:1px solid var(--trk-line);border-radius:8px;background:#faf9f5;color:var(--trk-ink);overflow:hidden;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;text-align:left}
.trk-demo *{box-sizing:border-box}.trk-demo [hidden]{display:none!important}.trk-demo p{margin:0}.trk-demo h3,.trk-demo h4{color:var(--trk-ink);letter-spacing:-.025em}.trk-intro{padding:28px 28px 22px;max-width:860px}.trk-demo .trk-kicker{font:600 .67rem/1.5 ui-monospace,monospace;letter-spacing:.1em;color:var(--trk-teal);margin-bottom:12px}.trk-intro h3{font-size:clamp(1.7rem,3vw,2.15rem);line-height:1.2;margin:0 0 14px}.trk-intro>p:last-child{font-size:.97rem}
.trk-controls{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:21px 28px;border-top:1px solid var(--trk-line);border-bottom:1px solid var(--trk-line);background:#edf2ee}.trk-toggle{display:flex;align-items:center;gap:12px;font-weight:650;font-size:.9rem;cursor:pointer}.trk-toggle input{width:22px;height:22px;flex:0 0 22px;accent-color:var(--trk-teal);margin:0}.trk-demo .trk-control-help{display:block;font-weight:400;font-size:.77rem;line-height:1.55;color:var(--trk-muted);margin-top:4px}.trk-select-label{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:.82rem}.trk-select-label select{width:100%;max-width:360px;min-height:44px;border:1px solid #94aaa7;border-radius:4px;background:white;color:var(--trk-ink);padding:8px 30px 8px 10px;font:inherit;font-weight:450}
.trk-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}.trk-figure{min-width:0;margin:0;background:var(--trk-ink);color:#d9e7e9;padding:24px 20px 20px;align-self:stretch}.trk-map-heading{display:flex;justify-content:space-between;gap:10px;font:500 .65rem/1.5 ui-monospace,monospace;letter-spacing:.08em;color:#b9d2d7;padding:0 3px}.trk-map{width:100%;height:auto;display:block;overflow:hidden;margin:10px 0}.trk-road{fill:none;stroke:#38525c;stroke-width:42;stroke-linejoin:round;stroke-linecap:round}.trk-road-line{fill:none;stroke:#98acb0;stroke-width:1.8;stroke-dasharray:7 9;stroke-linejoin:round}.trk-receivers circle{fill:#73bcb812;stroke:#78bdb5;stroke-width:1.6;stroke-dasharray:5 5}.trk-receiver-labels{fill:#b6e1da;font:600 21px ui-monospace,monospace;text-anchor:middle}.trk-link{fill:none;stroke:var(--trk-gold);stroke-width:3.5;stroke-dasharray:5 5;stroke-linecap:round}.trk-sample{fill:#b6e1da;stroke:#102b35;stroke-width:2}.trk-car rect{fill:#faf9f5;stroke:#102b35;stroke-width:2}.trk-car path{stroke:#176268;stroke-width:2}.trk-car.trk-unseen rect{fill:#526b73;stroke:#d4e0e2;stroke-dasharray:3 2}.trk-car.trk-unseen path{stroke:#d4e0e2}.trk-legend{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;font-size:.76rem;line-height:1.4}.trk-legend>span{display:flex;align-items:center;gap:9px}.trk-key{display:inline-block;flex:0 0 19px;width:19px;height:14px}.trk-key-receiver{border:1px dashed #91d3c9;border-radius:50%}.trk-key-sample{width:9px;height:9px;border-radius:50%;background:#b6e1da;flex-basis:9px;margin:0 5px}.trk-key-link{border-top:3px dashed var(--trk-gold);height:0}.trk-key-car{border:1px solid #faf9f5;border-radius:3px;background:#526b73}.trk-demo .trk-map-note{margin-top:20px;font-size:.75rem;line-height:1.7;color:#bfd2d7}
.trk-inspector{min-width:0;padding:24px}.trk-current>span{display:block;font:600 .64rem/1.5 ui-monospace,monospace;color:var(--trk-muted);letter-spacing:.08em}.trk-current strong{font:600 2rem/1.5 ui-monospace,monospace;color:var(--trk-teal)}.trk-current p{font-size:.8rem;color:var(--trk-muted)}.trk-counts{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px 0;margin:17px 0;border-top:1px solid var(--trk-line);border-bottom:1px solid var(--trk-line)}.trk-counts strong{display:block;font-size:1.4rem;line-height:1.4;font-weight:650}.trk-counts span{display:block;font-size:.72rem;color:var(--trk-muted);margin-top:5px}.trk-explanation{font-size:.85rem;min-height:4.8em}.trk-packet-panel{margin-top:22px}.trk-packet-panel h4{font-size:.85rem;margin:0 0 10px;line-height:1.4}.trk-table-wrap{max-height:194px;overflow:auto;border:1px solid var(--trk-line);border-radius:4px;background:#fff}.trk-table{width:100%;border-collapse:collapse;font:400 .76rem/1.5 ui-monospace,monospace;text-align:left}.trk-table th,.trk-table td{padding:8px 9px;white-space:nowrap;border-bottom:1px solid #e0e7e3}.trk-table th{font-size:.68rem;color:var(--trk-muted);background:#edf2ee;position:sticky;top:0;z-index:1}.trk-table tbody tr:last-child td{border-bottom:0}.trk-table .trk-empty td{white-space:normal;font-family:system-ui,sans-serif}.trk-table .trk-id-new td:nth-child(2){font-weight:750;color:var(--trk-teal)}
.trk-timeline{padding:23px 28px;border-top:1px solid var(--trk-line)}.trk-time-label{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.87rem;font-weight:600}.trk-time-label>span{font:500 .76rem ui-monospace,monospace;color:var(--trk-muted)}.trk-timeline input[type=range]{display:block;width:100%;height:35px;margin:10px 0 0;accent-color:var(--trk-teal);cursor:pointer}.trk-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.trk-buttons button{border:1px solid #96aaa7;background:#faf9f5;color:var(--trk-ink);border-radius:4px;font:600 .82rem/1.3 system-ui,sans-serif;padding:11px 15px;min-height:44px;cursor:pointer}.trk-buttons button:first-child{background:var(--trk-ink);color:white;border-color:var(--trk-ink)}.trk-buttons button:hover:enabled{border-color:var(--trk-teal);background:#e0ebe6}.trk-buttons button:first-child:hover:enabled{background:var(--trk-teal);color:#fff}.trk-buttons button:disabled{opacity:.45;cursor:default}.trk-demo :is(input,select,button,.trk-table-wrap):focus-visible{outline:3px solid #c57d15;outline-offset:4px}.trk-demo .trk-reduced-note{font-size:.76rem;color:var(--trk-muted);margin-top:14px}.trk-assumptions{border-top:1px solid var(--trk-line);padding:21px 28px;background:#f0f3ee;font-size:.76rem;line-height:1.75;color:var(--trk-muted)}.trk-assumptions strong{color:var(--trk-ink)}.trk-demo .trk-no-script{padding:16px 28px;font-size:.8rem}.trk-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:850px){.trk-layout{grid-template-columns:1fr}.trk-map{max-width:620px;margin:8px auto}.trk-figure{padding:23px}.trk-inspector{display:grid;grid-template-columns:1fr 1fr;gap:18px}.trk-counts{margin:0;padding:0;border:0;align-content:start}.trk-explanation{grid-column:1 / -1;min-height:0}.trk-packet-panel{grid-column:1 / -1;margin-top:0}.trk-table-wrap{max-height:172px}.trk-table{font-size:.8rem}}
@media(max-width:520px){.trk-demo{border-radius:5px}.trk-intro,.trk-controls,.trk-timeline{padding:20px 16px}.trk-controls{grid-template-columns:1fr;gap:18px}.trk-figure{padding:20px 12px}.trk-inspector{padding:21px 16px;grid-template-columns:1fr}.trk-current{display:grid;grid-template-columns:1fr auto;column-gap:10px;align-items:center}.trk-current>span{font-size:.66rem}.trk-current strong{grid-column:2;grid-row:1 / 3}.trk-current p{margin-top:6px}.trk-counts{padding-top:17px;border-top:1px solid var(--trk-line)}.trk-counts strong{font-size:1.3rem}.trk-counts span{font-size:.75rem}.trk-legend{gap:12px 8px;font-size:.7rem}.trk-map-note{padding:0 3px}.trk-assumptions{padding:20px 16px}.trk-buttons{gap:8px}.trk-buttons button{flex:1 1 auto;padding:11px 12px}.trk-table th,.trk-table td{padding:8px 7px}.trk-time-label{gap:8px}.trk-table{font-size:.74rem}.trk-map-heading{font-size:.6rem;letter-spacing:.02em}}
@media(prefers-reduced-motion:reduce){.trk-demo *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.trk-demo{break-inside:avoid;border-color:#999}.trk-controls,.trk-timeline,.trk-packet-panel{display:none!important}.trk-layout{display:block}.trk-figure{max-width:550px;print-color-adjust:exact}.trk-inspector{display:block}.trk-counts{display:flex;gap:25px}.trk-explanation{margin-top:12px!important}.trk-assumptions{font-size:9pt}.trk-sr-only{display:none}}

/* Keep scene and time controls together; technical detail is opt-in. */
.trk-intro{padding:23px 28px 19px}
.trk-intro h3{margin-bottom:10px}
.trk-demo .trk-kicker{margin-bottom:8px}
.trk-controls{padding:16px 28px}
.trk-route-labels path{fill:none;stroke:#b6e1da;stroke-width:1.5}
.trk-route-labels rect{fill:#163943;stroke:#b6e1da;stroke-width:1.4}
.trk-route-labels text{fill:#fff;font:700 24px ui-monospace,monospace;text-anchor:middle}
.trk-figure .trk-timeline{padding:12px 0 17px;margin:0 0 18px;border-top:1px solid #47636a;border-bottom:1px solid #47636a}
.trk-figure .trk-time-label{font-size:.82rem}
.trk-figure .trk-time-label>label{color:#d9e7e9}
.trk-figure .trk-time-label>span,.trk-figure .trk-control-help,.trk-figure .trk-reduced-note{color:#bfd2d7}
.trk-figure .trk-timeline input[type=range]{accent-color:#b6e1da;margin:2px 0 0}
.trk-figure .trk-buttons{gap:8px;margin-top:6px;flex-wrap:nowrap}
.trk-figure .trk-buttons button{flex:1 1 auto;padding:10px 9px;white-space:nowrap;font-size:.78rem}
.trk-figure .trk-buttons button:first-child{background:#c7e8dc;color:#102b35;border-color:#c7e8dc}
.trk-figure .trk-buttons button:first-child:hover:enabled{background:white;color:#102b35}
.trk-figure .trk-control-help{margin-top:9px;font-size:.72rem}
.trk-demo .trk-map-note{margin-top:14px}
.trk-packet-panel summary,.trk-assumptions summary{font-weight:650;cursor:pointer;min-height:44px;display:list-item;align-content:center;padding:10px 0;color:var(--trk-ink)}
.trk-packet-panel summary{font-size:.85rem}
.trk-packet-panel[open] summary{margin-bottom:8px}
.trk-assumptions{padding:6px 28px}
.trk-assumptions[open]{padding-bottom:18px}
.trk-assumptions p{padding-bottom:3px}
.trk-demo summary:focus-visible{outline:3px solid #c57d15;outline-offset:3px}
@media(max-width:520px){
  .trk-intro{padding:18px 16px 16px}
  .trk-intro>p:last-child{font-size:.9rem}
  .trk-controls{padding:15px 16px;gap:13px}
  .trk-figure{padding:16px 10px}
  .trk-figure .trk-time-label{font-size:.76rem;gap:5px}
  .trk-figure .trk-time-label>span{font-size:.66rem}
  .trk-figure .trk-buttons{gap:5px}
  .trk-figure .trk-buttons button{font-size:.73rem;padding:9px 7px}
  .trk-assumptions{padding:5px 16px}
}

.enc-controls fieldset{display:flex;gap:12px 24px;flex-wrap:wrap}.enc-controls fieldset label{display:flex;align-items:center;gap:8px}.enc-selects{display:flex;gap:16px;align-items:end;flex-wrap:wrap;margin-top:18px}.enc-selects label{display:grid;gap:5px;flex:1;min-width:160px}.enc-selects button{align-self:end}.enc-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}.enc-map{margin:0;min-width:0;background:#102b35;border-radius:5px;color:#e4ecee;overflow:hidden}.enc-map svg{display:block;width:100%;height:auto;max-height:430px}.enc-map figcaption{font-size:.72rem;padding:0 20px 20px;display:flex;gap:9px 18px;flex-wrap:wrap;line-height:1.5}.enc-map small{display:block;width:100%;color:#c1d0d3;font-size:.69rem}.enc-key{display:inline-flex;gap:7px;align-items:center}.enc-key:before{content:"";display:inline-block;width:10px;height:10px;flex:none}.enc-key-target:before{background:#9ee4d1;border-radius:2px}.enc-key-listener:before{background:white;border-radius:50%}.enc-key-possible:before{border:2px solid #f1bd6a;border-radius:50%}.enc-readout{padding:10px 0}.enc-readout h4{font-size:1.4rem;line-height:1.25;color:var(--ink);margin:0 0 14px;letter-spacing:-.025em}.enc-readout p{font-size:.91rem}.enc-readout dl{margin:22px 0;font-size:.8rem}.enc-readout dl>div{display:grid;grid-template-columns:1fr 1.1fr;gap:15px;padding:10px 0;border-top:1px solid var(--line)}.enc-readout dt{color:var(--muted)}.enc-readout dd{margin:0;color:var(--ink);font-weight:600;overflow-wrap:anywhere}.enc-takeaway{border-left:3px solid var(--teal);padding-left:16px;color:var(--ink)}
@media(max-width:760px){.enc-layout{grid-template-columns:1fr;gap:18px}.enc-map{width:100%;max-width:430px;justify-self:center}.enc-readout{padding:0}.enc-selects{gap:12px}.enc-controls fieldset{display:grid;gap:10px}.enc-selects label{min-width:140px}.enc-readout dl>div{grid-template-columns:1fr 1fr}}
@media print{.enc-controls{display:none!important}.enc-map{background:#102b35;print-color-adjust:exact}.enc-layout{break-inside:avoid}}

/* Scoped, self-contained governance demonstration; no external assets. */
.cap-demo .cap-mobility{padding:28px;border-bottom:1px solid #c4d3cf}.cap-mobility>h4{font-size:1.55rem;line-height:1.25;letter-spacing:-.025em;margin:0 0 15px;color:#102b35}.cap-mobility>p{font-size:.9rem;margin:0 0 18px;max-width:850px}.cap-demo .cap-disconnect{display:flex;gap:12px;align-items:center;padding:14px 16px;background:#e8f0ec;border:1px solid #9db9ae;border-radius:4px;cursor:pointer;max-width:530px;margin:22px 0 14px}.cap-disconnect input{margin:0;flex:none}.cap-disconnect strong{display:block}.cap-disconnect small{display:block;font-size:.77rem;color:#415b61}.cap-demo .cap-link-state{font-weight:600;color:#176268;font-size:.85rem}.cap-mobility-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}.cap-mobility-grid>div{background:#f0f3ef;border:1px solid #c4d3cf;border-radius:4px;padding:18px;min-width:0}.cap-mobility-grid h5{font-size:1rem;line-height:1.3;color:#102b35;margin:0 0 15px}.cap-mobility-grid h5 span{display:block;font-size:.7rem;font-weight:500;margin-top:6px;color:#415b61}.cap-mobility-grid svg{display:block;width:100%;height:auto}.cap-mobility-grid p{font-size:.8rem;line-height:1.6;margin:0}.cap-mobility-grid .cap-operation{font-weight:700;font-size:1rem;line-height:1.35;color:#102b35;margin:15px 0 10px}.cap-demo .cap-separate{font-size:.77rem;line-height:1.7;margin-bottom:0}.cap-separate strong{font-weight:650}
@media(max-width:640px){.cap-demo .cap-mobility{padding:23px 18px}.cap-mobility-grid{grid-template-columns:1fr}.cap-mobility-grid>div{padding:14px}.cap-mobility-grid svg{max-height:90px}.cap-demo .cap-mobility>h4{font-size:1.35rem}}
@media print{.cap-disconnect{display:none!important}.cap-mobility-grid{grid-template-columns:1fr 1fr}}
.demo-card.cap-demo{padding:0}
.cap-demo{border:1px solid #c4d3cf;border-radius:8px;background:#faf9f5;color:#31464d;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;overflow:hidden}
.cap-demo *{box-sizing:border-box}.cap-demo [hidden]{display:none!important}
.cap-demo .cap-heading{padding:28px 28px 8px}.cap-demo .cap-kicker{color:#176268;font:600 .67rem/1.5 ui-monospace,Consolas,monospace;letter-spacing:.1em;margin:0 0 10px}.cap-demo h3{font-size:clamp(1.45rem,2.7vw,1.9rem);line-height:1.2;letter-spacing:-.025em;color:#102b35;margin:0 0 14px}.cap-demo .cap-heading>p:last-child{max-width:780px;margin:0 0 16px;font-size:.98rem}
.cap-demo .cap-controls{padding:10px 28px 26px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.cap-demo .cap-fieldset{min-width:0;border:0;margin:0;padding:0}.cap-demo legend{font-size:.84rem;font-weight:700;color:#102b35;margin:0 0 11px;padding:0}.cap-demo .cap-choice{display:flex;align-items:flex-start;gap:11px;padding:12px;border:1px solid #bccbc7;border-radius:5px;margin-top:8px;cursor:pointer;background:#fff;min-height:64px}.cap-demo .cap-choice:has(input:checked){border-color:#176268;background:#e8f0ec;box-shadow:inset 3px 0 #176268}.cap-demo .cap-choice:has(input:focus-visible){outline:3px solid #bd6d0e;outline-offset:3px}.cap-demo .cap-choice input{accent-color:#176268;flex:0 0 auto;width:18px;height:18px;margin:3px 0 0}.cap-demo .cap-choice input:focus-visible{outline:2px solid #bd6d0e;outline-offset:3px}.cap-demo .cap-choice strong{display:block;color:#102b35;font-size:.9rem;line-height:1.35}.cap-demo .cap-choice small{display:block;color:#415b61;font-size:.76rem;line-height:1.45;margin-top:4px}
.cap-demo .cap-evidence{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border-top:1px solid #c4d3cf;border-bottom:1px solid #c4d3cf}.cap-demo .cap-records{padding:25px 28px;background:#f0f3ef;min-width:0}.cap-demo .cap-table{width:100%;border-collapse:collapse;font-size:.79rem;line-height:1.5;table-layout:fixed}.cap-demo .cap-table caption{text-align:left;font-size:.91rem;font-weight:700;color:#102b35;margin:0 0 13px}.cap-demo .cap-table th,.cap-demo .cap-table td{padding:10px 7px;text-align:left;vertical-align:top;border-bottom:1px solid #c8d5d0;overflow-wrap:anywhere}.cap-demo .cap-table th{font-weight:650;color:#31464d;font-size:.72rem}.cap-demo .cap-table th:nth-child(1){width:30%}.cap-demo .cap-table th:nth-child(2){width:23%}.cap-demo .cap-table td:first-child,.cap-demo .cap-table td:nth-child(2){font-family:ui-monospace,Consolas,monospace;font-size:.76rem}.cap-demo .cap-table .cap-matched{background:#f9e3b9;color:#102b35}.cap-demo .cap-match-label{display:block;font-size:.67rem;font-weight:700;margin-top:5px}.cap-demo .cap-record-note{font-size:.77rem;line-height:1.55;color:#415b61;margin:16px 0 0}.cap-demo .cap-empty{border:1px dashed #9bb3ad;border-radius:4px;padding:15px;background:#faf9f5}.cap-demo .cap-empty>span{font-size:1.6rem;color:#176268;display:block;line-height:1;margin-bottom:10px}.cap-demo .cap-empty strong{display:block;font-size:.94rem;color:#102b35}.cap-demo .cap-empty p{font-size:.84rem;margin:8px 0 0}
.cap-demo .cap-result{background:#102b35;color:#d8e5e6;padding:25px 28px;min-width:0}.cap-demo .cap-result-label{font:600 .65rem/1.5 ui-monospace,Consolas,monospace;letter-spacing:.08em;color:#f1bd6a;margin:0 0 13px}.cap-demo .cap-result h4{font-size:1.35rem;line-height:1.28;color:#faf9f5;letter-spacing:-.02em;margin:0 0 15px}.cap-demo .cap-result>p:not(.cap-result-label){font-size:.89rem;line-height:1.65;margin:0 0 18px}.cap-demo .cap-result .cap-conclusion{border-top:1px solid #456069;padding-top:16px;color:#faf9f5;margin-bottom:0!important;font-weight:600}
.cap-demo .cap-assumption,.cap-demo .cap-limit{font-size:.78rem;line-height:1.65;padding:0 28px;margin:21px 0;color:#31464d}.cap-demo .cap-limit{margin-bottom:27px}.cap-demo .cap-fallback{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 28px 20px}.cap-demo .cap-fallback>div{border-top:2px solid #176268;padding-top:16px}.cap-demo .cap-fallback h4{color:#102b35;font-size:1rem;margin:0 0 8px}.cap-demo .cap-fallback p{font-size:.88rem;margin:0}.cap-demo .cap-live{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:640px){.cap-demo .cap-heading{padding:22px 18px 6px}.cap-demo .cap-controls{grid-template-columns:1fr;gap:20px;padding:6px 18px 22px}.cap-demo .cap-evidence{grid-template-columns:1fr}.cap-demo .cap-records,.cap-demo .cap-result{padding:23px 18px}.cap-demo .cap-assumption,.cap-demo .cap-limit{padding:0 18px}.cap-demo .cap-fallback{grid-template-columns:1fr;padding:0 18px 18px;gap:20px}.cap-demo .cap-table th,.cap-demo .cap-table td{padding-left:4px;padding-right:4px}}
@media print{.cap-demo{border-color:#777;break-inside:avoid}.cap-demo .cap-interactive{display:none!important}.cap-demo .cap-fallback[hidden]{display:block!important}.cap-demo .cap-fallback>div{margin-bottom:16px}.cap-demo .cap-heading,.cap-demo .cap-fallback{padding:12px}.cap-demo .cap-assumption,.cap-demo .cap-limit{padding:0 12px}}

.proposal-section{padding-top:58px;padding-bottom:58px}.proposal-section .section-heading{max-width:790px;margin-bottom:30px}.proposal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.proposal-grid article{border-top:2px solid #91b5a7;padding-top:18px}.proposal-grid article>span{font:600 .67rem ui-monospace,monospace;letter-spacing:.1em;color:var(--teal)}.proposal-grid h3{margin:13px 0;font-size:1.25rem}.proposal-grid p{font-size:.91rem;margin-bottom:0}.proposal-limit{margin:27px 0 0;font-size:.76rem;color:var(--muted);max-width:840px}.demo-local-note{font-size:.76rem;color:var(--muted)}.supporting-demo{margin:0 0 28px;border:1px solid #b6cdc2;border-radius:5px;background:#faf9f5}.supporting-demo>summary{cursor:pointer;padding:18px 22px;font-weight:650;color:var(--teal);font-size:.9rem;line-height:1.5}.supporting-demo>summary:hover{background:#e4eee7}.supporting-demo>summary:focus-visible,.demo-card summary:focus-visible{outline:3px solid #bd6d0e;outline-offset:3px}.supporting-demo-body{padding:0 20px 20px}.supporting-demo .enc-demo{margin:0;border-radius:4px;box-shadow:none;border:0;padding:18px 8px 0}.supporting-demo .demo-heading h3{font-size:1.6rem}.hero-proposal svg{width:100%;height:auto}.hero-proposal figcaption{margin-top:8px}.cap-demo .cap-limit{font-size:.78rem}
@media(max-width:760px){.proposal-grid{grid-template-columns:1fr;gap:24px}.proposal-grid h3{font-size:1.15rem;margin:10px 0}.proposal-section{padding-top:40px;padding-bottom:40px}.proposal-section .section-heading{margin-bottom:25px}.proposal-grid article{padding-top:15px}.supporting-demo>summary{padding:16px;font-size:.83rem}.supporting-demo-body{padding:0 12px 16px}.supporting-demo .enc-demo{padding:12px 2px 0}.supporting-demo .demo-heading h3{font-size:1.4rem}}
@media print{.proposal-grid{grid-template-columns:1fr 1fr 1fr}.supporting-demo>summary{display:none}.supporting-demo{border:0}.supporting-demo-body{padding:0}.proposal-section{padding:20px 0}}

.eq-section{background:#f1f3ef}.eq-heading{max-width:820px}.eq-heading>p:last-child{max-width:760px}.eq-explorer{border:1px solid #cbd7d0;border-radius:7px;overflow:hidden;background:var(--paper)}.eq-choices{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #cbd7d0;gap:0}.eq-choices[hidden]{display:none}.eq-choices button{font:600 .87rem/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;background:transparent;color:var(--ink);border:0;border-right:1px solid #cbd7d0;padding:18px 17px;display:flex;align-items:center;gap:13px;text-align:left;min-height:89px;cursor:pointer;position:relative}.eq-choices button:last-child{border-right:0}.eq-choice-number{font:500 .73rem ui-monospace,monospace;color:var(--teal)}.eq-choices button[aria-pressed=true]{background:#e1ede5;box-shadow:inset 0 -4px var(--teal)}.eq-choices button:hover{background:#e7eee7}.eq-choices button:focus-visible{outline:3px solid #a95800;outline-offset:-5px;z-index:1}.eq-layout{display:grid;grid-template-columns:1fr 1fr;min-width:0}.eq-hardware{margin:0;color:#c6d9db;background:#102b35;display:flex;flex-direction:column;min-width:0}.eq-figure-top{display:flex;justify-content:space-between;gap:20px;margin:23px 25px 5px;font:500 .59rem/1.6 ui-monospace,monospace;letter-spacing:.06em;color:#bdcfd1}.eq-diagram{display:block;width:100%;height:auto;max-height:440px;flex:1}.eq-diagram [hidden]{display:none}.eq-hardware figcaption{font-size:.81rem;line-height:1.65;color:#c6d9db;padding:0 26px 26px;margin:0;max-width:520px}.eq-signal{stroke:#94d2c3;stroke-width:3;fill:none;stroke-linecap:round}.eq-signal-outer{opacity:.6}.eq-antenna{stroke:#94d2c3;stroke-width:2;fill:#102b35}.eq-wire{stroke:#90b6b8;stroke-width:2;fill:none}.eq-case{fill:#193e48;stroke:#59878a;stroke-width:2}.eq-component{fill:#24565c;stroke:#8bb9b1;stroke-width:1.5}.eq-controller{fill:#1d4850}.eq-board-wire{stroke:#90b6b8;stroke-width:2;fill:none}.eq-svg-label{fill:#e1f0ea;font:500 17px ui-monospace,monospace;letter-spacing:.02em}.eq-antenna-label{font-size:16px;fill:#a9cfca}.eq-svg-small{fill:#b5d0cf;font:500 14px ui-monospace,monospace;letter-spacing:.02em}.eq-power{fill:#264b54;stroke:#9cbbb9;stroke-width:1.5}.eq-power-mark{stroke:#d3e4df;stroke-width:2;fill:none}.eq-alert-box{fill:#433f33;stroke:#e8bc74;stroke-width:1.5}.eq-alert-mark{stroke:#f5cf92;stroke-width:1.5;fill:none;stroke-linejoin:round}.eq-sensor{fill:#24565c;stroke:#a4cdc2;stroke-width:1.5}.eq-sensor-lens{fill:none;stroke:#b6dccf;stroke-width:1.8}.eq-sensor-wire{stroke:#87b9b0;stroke-width:2;stroke-dasharray:6 5;fill:none}.eq-sensor-label{font-size:13px}.eq-svg-footer{fill:#f1cf99;font:500 14px ui-monospace,monospace;letter-spacing:.1em}.eq-role-copy{padding:28px 30px;min-width:0}.eq-role-tag{font:600 .66rem/1.6 ui-monospace,monospace;letter-spacing:.08em;color:var(--teal);margin-bottom:12px}.eq-role-copy h3{font-size:1.55rem;line-height:1.24;margin-bottom:15px;max-width:390px}.eq-role-copy>p:not(.eq-role-tag){font-size:.93rem;line-height:1.7}.eq-facts{margin:21px 0 0;display:grid;gap:13px}.eq-facts>div{border-top:1px solid var(--line);padding-top:12px}.eq-facts dt{font:600 .65rem/1.5 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.045em;color:var(--teal);margin-bottom:5px}.eq-facts dd{font-size:.86rem;line-height:1.65;margin:0}.eq-shared-protocol{padding:20px 25px;border-top:1px solid #cbd7d0;margin:0;font-size:.9rem;line-height:1.7}.eq-shared-protocol strong{color:var(--ink)}.eq-lower-barrier{display:grid;grid-template-columns:.55fr 1fr;gap:36px;margin-top:28px;align-items:start}.eq-lower-barrier h3{font-size:1.5rem}.eq-lower-barrier p{font-size:.95rem;margin:0;max-width:740px}.eq-engineering{border-top:1px solid #cbd7d0;margin-top:27px;padding-top:18px;font-size:.88rem;max-width:100%}.eq-engineering summary{cursor:pointer;color:var(--teal);font-weight:650;padding:8px 0;min-height:44px}.eq-engineering summary:focus-visible{outline:3px solid #a95800;outline-offset:3px}.eq-engineering>div{max-width:860px;padding:16px 0 0}.eq-engineering p:last-child{margin-bottom:0}.eq-nojs{margin-top:20px;font-size:.9rem}.eq-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap}
@media(max-width:950px){.eq-choices button{font-size:.8rem;padding:17px 13px;gap:8px}.eq-choice-number{font-size:.65rem}.eq-role-copy{padding:25px 23px}.eq-figure-top{font-size:.55rem;margin:22px 20px 6px}.eq-hardware figcaption{padding:0 21px 24px}.eq-role-copy h3{font-size:1.4rem}}
@media(max-width:700px){.eq-choices{grid-template-columns:1fr 1fr}.eq-choices button{min-height:78px;font-size:.84rem;padding:15px 14px;border-bottom:1px solid #cbd7d0;gap:11px}.eq-choices button:nth-child(2){border-right:0}.eq-choices button:nth-child(n+3){border-bottom:0}.eq-layout{grid-template-columns:1fr}.eq-hardware{order:1}.eq-role-copy{order:2;padding:25px 22px}.eq-diagram{max-height:350px}.eq-figure-top{font-size:.55rem}.eq-hardware figcaption{font-size:.77rem;padding:0 22px 23px}.eq-role-copy h3{font-size:1.52rem;max-width:none}.eq-role-copy>p:not(.eq-role-tag){font-size:.93rem}.eq-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px 21px}.eq-facts dd{font-size:.84rem}.eq-shared-protocol{padding:20px 22px;font-size:.86rem}.eq-lower-barrier{grid-template-columns:1fr;gap:12px;margin-top:25px}.eq-lower-barrier h3{font-size:1.35rem}.eq-engineering{font-size:.85rem}}
@media(max-width:380px){.eq-choices button{font-size:.77rem;padding:13px 10px;gap:8px}.eq-figure-top{font-size:.48rem;gap:10px;margin:20px 18px 5px}.eq-facts{grid-template-columns:1fr}.eq-role-copy{padding:23px 19px}.eq-hardware figcaption,.eq-shared-protocol{padding-left:19px;padding-right:19px}}
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/* Voluntary participation and cooperative perception; scoped to coop-. */
.coop-target-control{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}.coop-demo .coop-target-control label{font-size:.77rem;font-weight:650}.coop-demo .coop-target-control select{min-height:36px;padding:5px 28px 5px 9px;font-size:.74rem;width:125px}.coop-target-car rect{fill:#f7f8f3;stroke:#102b35;stroke-width:2}.coop-target-car path{fill:none;stroke:#536f79;stroke-width:3}
.coop-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:28px;align-items:start}.coop-stage,.coop-information{min-width:0}.coop-heading{max-width:850px}.coop-figure{margin:0;background:#102b35;color:#e4eeee;border-radius:5px 5px 0 0;overflow:hidden}.coop-scene-label{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px;padding:15px 16px 0;font:600 .59rem/1.5 ui-monospace,monospace;letter-spacing:.02em;color:#c3d7db}.coop-scene-label>span:last-child{color:#d2c2ff}.coop-scene{display:block;width:100%;height:auto;max-height:325px}.coop-road{fill:#304a54}.coop-lane{stroke:#71868e;stroke-width:2;stroke-dasharray:10 12;fill:none}.coop-blocked-line{stroke:#f1bd6a;stroke-width:3;stroke-dasharray:7 7;fill:none}.coop-sensor-line{stroke:#d2c2ff;stroke-width:3;stroke-dasharray:4 6;fill:none}.coop-relay-line{stroke:#d2c2ff;stroke-width:3;stroke-dasharray:7 7;fill:none}.coop-local-dot{fill:#f1bd6a;stroke:none!important}.coop-radio-ring{fill:none!important;stroke:#9fe0ca!important;stroke-width:3!important;stroke-dasharray:4 6}.coop-shared-ring{fill:none;stroke:#d2c2ff;stroke-width:3;stroke-dasharray:7 6}.coop-near-car rect,.coop-far-car rect{fill:#c9d6d9;stroke:#102b35;stroke-width:2}.coop-near-car path,.coop-far-car path{stroke:#536f79;stroke-width:3}.coop-bus-body{fill:#9bacb4;stroke:#e3ecee;stroke-width:2}.coop-bus>path{stroke:#536f79;stroke-width:4;fill:none}.coop-bus>text{fill:#102b35;text-anchor:middle;font:750 27px system-ui,sans-serif}.coop-motorcycle,.coop-walker{fill:none;stroke:#d9e7e9;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}.coop-cyclist{fill:none;stroke:#f7f8f3;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}.coop-cyclist-label,.coop-observer-label{fill:#e4eeee;font:650 25px ui-monospace,monospace;letter-spacing:.3px}.coop-observer>rect{fill:#faf9f5;stroke:#102b35;stroke-width:2}.coop-observer>path{stroke:#7db7b2;stroke-width:3;fill:none}.coop-legend{display:flex;flex-wrap:wrap;gap:7px 15px;padding:0 16px 15px;font-size:.67rem;line-height:1.4;color:#e4eeee}.coop-legend>span{display:inline-flex;align-items:center;gap:6px}.coop-legend i{display:inline-block;flex:none;width:12px;height:12px;border-radius:50%}.coop-key-local{background:#f1bd6a;width:8px!important;height:8px!important;margin:2px}.coop-key-radio{border:2px dashed #9fe0ca}.coop-key-shared{border:2px dashed #d2c2ff}.coop-controls{background:#eaf0eb;border:1px solid #c6d6ce;border-top:0;padding:13px 16px}.coop-participation-label{display:flex;justify-content:space-between;align-items:baseline;gap:10px}.coop-participation-label>label{font-size:.79rem!important;font-weight:700}.coop-participation-label>output{font:600 .74rem ui-monospace,monospace;white-space:nowrap;color:#36545d}.coop-demo .coop-controls input[type=range]{display:block;width:100%;min-height:32px;margin:2px 0 6px}.coop-toggles{display:flex;flex-direction:column;gap:9px}.coop-demo .coop-toggles label{display:flex;align-items:center;gap:8px;font-size:.76rem;line-height:1.35;cursor:pointer}.coop-demo .coop-toggles input{margin:0;flex:none;width:19px;height:19px}.coop-demo #coop-slider-help{font-size:.67rem;line-height:1.5;color:#4b6369;margin:10px 0 0}.coop-result{background:#eef4ef;border:1px solid #c6d6ce;border-left:4px solid #176268;border-top:0;border-radius:0 0 5px 5px;padding:14px 15px}.coop-result[data-state=unseen]{background:#faf6ec;border-left-color:#b27028}.coop-result>strong{display:block;color:#102b35;font-size:.86rem;line-height:1.5}.coop-demo .coop-result>p{margin:5px 0 0;font-size:.76rem;line-height:1.55}.coop-count{padding:2px 0 17px;border-bottom:1px solid #cddbd5}.coop-demo .coop-count>p:first-child{font:600 .61rem/1.5 ui-monospace,monospace;letter-spacing:.04em;color:#50696e;margin:0 0 9px}.coop-count>strong{display:block;font-size:3.3rem;line-height:1;letter-spacing:-.06em;color:#102b35}.coop-count>strong>span:last-child{font-size:1.5rem;letter-spacing:-.025em;color:#607980}.coop-demo .coop-count>p:last-child{font-size:.77rem;line-height:1.5;margin:9px 0 0}.coop-breakdown{margin:10px 0 0}.coop-breakdown>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #d3ded7;padding:9px 0}.coop-breakdown dt{font-size:.76rem;line-height:1.5}.coop-breakdown dd{font-size:.9rem;line-height:1.4;font-weight:700;color:#102b35;margin:0}.coop-demo .coop-count-note{font-size:.7rem;line-height:1.6;margin:11px 0 20px;color:#50696e}.coop-takeaway{border-left:3px solid #176268;padding-left:14px;margin-bottom:18px}.coop-takeaway h4{font-size:1rem;line-height:1.3;margin:0 0 7px}.coop-demo .coop-takeaway p{font-size:.78rem;line-height:1.65;margin:0}.coop-details{border-top:1px solid #cddbd5;border-bottom:1px solid #cddbd5}.coop-details>summary{cursor:pointer;font-size:.77rem;font-weight:650;padding:12px 0;line-height:1.5;color:#174d53}.coop-details>summary:focus-visible{outline:3px solid #bd6d0e;outline-offset:3px}.coop-demo .coop-details p{font-size:.74rem;line-height:1.65;margin:0 0 13px}.coop-details>div{padding-top:3px}
@media(max-width:760px){.coop-layout{grid-template-columns:1fr;gap:24px}.coop-information{display:grid;grid-template-columns:1fr 1.2fr;gap:0 20px}.coop-count{border-bottom:0;padding:2px 0 0}.coop-breakdown{margin:0}.coop-count-note,.coop-takeaway,.coop-details{grid-column:1/-1}.coop-demo .coop-count-note{margin:12px 0 20px}.coop-scene{max-height:325px}}
@media(max-width:440px){.coop-scene-label{font-size:.53rem;padding:12px 11px 0;gap:3px}.coop-scene-label>span{width:100%}.coop-legend{font-size:.61rem;gap:6px 10px;padding:0 11px 12px}.coop-controls{padding:11px}.coop-participation-label>label{font-size:.73rem!important}.coop-demo .coop-toggles label{font-size:.7rem}.coop-demo #coop-slider-help{font-size:.64rem}.coop-result{padding:12px 10px}.coop-result>strong{font-size:.8rem}.coop-demo .coop-result>p{font-size:.72rem}.coop-information{gap:0 12px;grid-template-columns:1fr 1.1fr}.coop-count>strong{font-size:2.8rem}.coop-count>strong>span:last-child{font-size:1.3rem}.coop-demo .coop-count>p:first-child{font-size:.55rem}.coop-demo .coop-count>p:last-child,.coop-breakdown dt{font-size:.69rem}.coop-breakdown>div{padding:8px 0}.coop-takeaway h4{font-size:.95rem}}
@media(prefers-reduced-motion:reduce){.coop-demo *{animation:none!important;transition:none!important}}
@media print{.coop-controls{display:none!important}.coop-layout{display:block}.coop-stage{max-width:540px}.coop-figure{print-color-adjust:exact}.coop-information{margin-top:20px}.coop-details>div{display:block}.coop-live{display:none}}

/* Scoped worked exchange; native controls, no animation or external assets. */
.px-section{background:#eef2ed}.px-heading{max-width:900px}.px-heading>p:last-child{max-width:850px}.px-disclaimer{font-size:.86rem;color:#405c62}.px-workbench{border:1px solid #bdcdc6;border-radius:7px;background:#faf9f5;overflow:hidden}.px-workbench [hidden]{display:none!important}.px-controls{padding:22px 26px;background:#e5eee7;border-bottom:1px solid #bdcdc6}.px-controls>label{font-size:.83rem;font-weight:650;color:#102b35;display:grid;gap:7px;max-width:480px}.px-controls select{width:100%;font:inherit;font-weight:400;min-height:44px;border:1px solid #829e94;border-radius:4px;padding:8px 10px;background:#fff;color:#102b35}.px-controls>p{font-size:.79rem;line-height:1.65;margin:12px 0 17px;max-width:790px}.px-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.px-steps button{display:flex;gap:8px;align-items:center;justify-content:center;min-height:48px;background:#faf9f5;border:1px solid #aebfb6;border-radius:4px;color:#314b50;font:600 .77rem/1.35 system-ui,sans-serif;padding:9px 7px;cursor:pointer}.px-steps button>span{font:600 .7rem ui-monospace,monospace;border:1px solid currentColor;border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;flex:none}.px-steps button[aria-current=step]{background:#176268;color:#fff;border-color:#176268}.px-steps button:hover{box-shadow:inset 0 0 0 1px #176268}.px-workbench :is(button,select):focus-visible{outline:3px solid #a95800;outline-offset:3px}.px-step-heading{padding:24px 26px 20px;background:#102b35;color:#d7e6e5}.px-step-heading .px-kicker{font:500 .66rem/1.5 ui-monospace,monospace;letter-spacing:.08em;color:#a9ddd1;margin:0 0 11px}.px-step-heading h3{color:#faf9f5;font-size:1.52rem;line-height:1.3;margin:0 0 13px}.px-step-heading>p:last-child{font-size:.9rem;line-height:1.7;max-width:850px;margin:0}.px-panels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.px-panel{padding:23px 24px;min-width:0;border-right:1px solid #d1ddd6}.px-panel:last-child{border-right:0}.px-panel h4{font-size:.95rem;color:#102b35;line-height:1.3;margin:0 0 12px}.px-panel .px-panel-note{font-size:.76rem;color:#4a6267;line-height:1.6;margin:0 0 15px}.px-panel dl{margin:0;font-size:.79rem;line-height:1.55}.px-panel dl>div{padding:10px 0;border-top:1px solid #d5dfd8}.px-panel dt{font-weight:650;color:#405c62;font-size:.73rem}.px-panel dd{margin:4px 0 0;color:#102b35;overflow-wrap:anywhere}.px-panel ul{padding:0 0 0 17px;margin:0;font-size:.81rem;line-height:1.65;color:#314b50}.px-panel li+li{margin-top:10px}.px-radio{background:#f0f4ed}.px-decision{border-top:1px solid #c7d7cc;border-bottom:1px solid #c7d7cc;padding:19px 25px;background:#e6eee8}.px-decision strong{display:block;color:#102b35;font-size:.92rem;margin-bottom:7px}.px-decision p{font-size:.83rem;line-height:1.65;margin:0;max-width:890px}.px-decision[data-state=suppressed]{background:#f7ecd6;border-color:#d4bd90}.px-decision[data-state=expired]{background:#edf0ed}.px-navigation{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px}.px-navigation button{font:600 .8rem/1.35 system-ui,sans-serif;min-height:44px;cursor:pointer;background:white;color:#176268;border:1px solid #829e94;border-radius:4px;padding:10px 13px}.px-navigation button:disabled{cursor:default;opacity:.5}.px-navigation button:hover:enabled{background:#e6eee8}.px-navigation>span{font:500 .7rem ui-monospace,monospace;color:#4a6267;white-space:nowrap}.px-limit{font-size:.81rem;line-height:1.7;max-width:980px;margin:19px 0 0;color:#405c62}.px-limit strong{color:#102b35}.px-live{position:absolute!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.px-fallback{margin-top:24px;font-size:.87rem}.px-fallback h3{margin-bottom:15px}.px-fallback li{margin-bottom:10px}
@media(max-width:850px){.px-panels{grid-template-columns:1fr}.px-panel{border-right:0;border-bottom:1px solid #d1ddd6;padding:20px 24px}.px-panel:last-child{border-bottom:0}.px-panel dl{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.px-steps button{flex-direction:column;gap:6px;font-size:.72rem}.px-step-heading h3{font-size:1.4rem}}
@media(max-width:520px){.px-section{padding-left:14px;padding-right:14px}.px-heading{padding:0 6px}.px-controls,.px-step-heading{padding:20px 17px}.px-controls select{font-size:.8rem}.px-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.px-steps button{min-height:60px}.px-panel{padding:20px 17px}.px-panel dl{grid-template-columns:1fr}.px-navigation{padding:15px 13px;gap:8px}.px-navigation button{font-size:.73rem;padding:10px 9px}.px-navigation>span{font-size:.65rem}.px-decision{padding:18px 17px}.px-limit{padding:0 6px}.px-disclaimer{font-size:.8rem}}
@media print{.px-section{background:white}.px-controls,.px-navigation{display:none!important}.px-workbench{overflow:visible}.px-step-heading{background:white;color:#000}.px-step-heading h3,.px-step-heading .px-kicker{color:#000}.px-panels{display:block}.px-panel{break-inside:avoid}.px-decision{break-inside:avoid}.px-limit{font-size:9pt}}

/* Scoped three-car information-flow illustration; no animation or remote assets. */
.rt-section{background:#edf2ed}.rt-heading{max-width:890px}.rt-heading>p:last-child{max-width:820px}.rt-demo{border:1px solid #bfcfc5;border-radius:7px;background:#faf9f5;overflow:hidden;scroll-margin-top:25px}.rt-demo [hidden]{display:none!important}.rt-intro{padding:24px 27px 18px}.rt-demo .rt-kicker{font:600 .66rem/1.5 ui-monospace,monospace;letter-spacing:.09em;color:#176268;margin:0 0 10px}.rt-intro h3{font-size:1.6rem;line-height:1.25;margin:0 0 12px}.rt-intro>p:last-child{font-size:.9rem;margin:0;line-height:1.65;max-width:820px}.rt-controls{padding:19px 27px;display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#e6eee7;border-top:1px solid #c6d6cb;border-bottom:1px solid #c6d6cb}.rt-sharing{display:flex;align-items:center;gap:11px;font-size:.85rem;font-weight:650;color:#102b35;cursor:pointer}.rt-sharing input{width:21px;height:21px;flex:none;accent-color:#176268}.rt-sharing small{font-weight:400;font-size:.75rem;line-height:1.5;display:block;margin-top:5px;color:#466168}.rt-scenario-label{display:grid;gap:6px;font-size:.79rem;font-weight:650;color:#102b35}.rt-scenario-label select{width:100%;min-height:44px;font:400 .81rem/1.4 system-ui,sans-serif;color:#102b35;background:white;border:1px solid #829e92;border-radius:4px;padding:9px}.rt-controls :is(select,input):focus-visible{outline:3px solid #a95800;outline-offset:3px}.rt-scene-wrap{background:#102b35}.rt-figure{max-width:800px;margin:auto;padding:20px 25px 22px;color:#d7e6e4}.rt-scene-top{display:flex;justify-content:space-between;gap:16px;font:500 .6rem/1.5 ui-monospace,monospace;letter-spacing:.05em;color:#bbd2d4}.rt-scene{display:block;width:100%;height:auto;max-height:290px}.rt-road{stroke:#38515b;stroke-width:78}.rt-lane{stroke:#97aaae;stroke-width:2;stroke-dasharray:9 13}.rt-own-view{fill:none;stroke:#bfcdd0;stroke-width:3;stroke-dasharray:5 6}.rt-own-stop{stroke:#bfcdd0;stroke-width:3}.rt-middle-view{stroke:#f1bd6a;stroke-width:3;stroke-dasharray:5 6}.rt-report-path,.rt-report-arrow{stroke:#9ee4d1;fill:none;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.rt-report-path[data-state=lost]{stroke:#d5bb85;stroke-dasharray:7 8}.rt-report-path[data-state=rejected]{stroke:#f1bd6a;stroke-dasharray:4 7}.rt-report-arrow[data-state=rejected]{stroke:#f1bd6a}.rt-loss-mark{fill:none;stroke:#f1bd6a;stroke-width:4;stroke-linecap:round}.rt-car-body{fill:#ebf3eb;stroke:#102b35;stroke-width:3}.rt-middle .rt-car-body{fill:#95cbbd}.rt-lead .rt-car-body{fill:#c2cdd1}.rt-windows{stroke:#496c70;stroke-width:3}.rt-scene text{fill:#102b35;font:700 29px system-ui,sans-serif;text-anchor:middle}.rt-brake{fill:#ffad91;stroke:#102b35;stroke-width:1.5}.rt-received-ring{fill:none;stroke:#9ee4d1;stroke-width:3}.rt-vehicles{list-style:none;margin:-9px 0 19px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;text-align:center}.rt-vehicles li{font-size:.84rem;line-height:1.45}.rt-vehicles strong{display:block;color:#faf9f5;font-weight:650}.rt-vehicles span{display:block;font-size:.74rem;color:#c2d6d5;margin-top:5px}.rt-figure .rt-flow-label{font-size:.81rem;font-weight:600;color:#bce9dc;line-height:1.6;text-align:center;border-top:1px solid #405c63;padding-top:15px;margin:0}.rt-figure .rt-diagram-note{font-size:.7rem;line-height:1.6;color:#bcd0d1;text-align:center;max-width:650px;margin:10px auto 0}.rt-comparison{display:grid;grid-template-columns:1fr 1fr}.rt-comparison>section{padding:23px 27px;min-width:0}.rt-own{border-right:1px solid #c7d7cc}.rt-comparison h4{font-size:1.08rem;color:#102b35;line-height:1.35;margin:0 0 13px}.rt-comparison p:not(.rt-kicker){font-size:.85rem;line-height:1.7;margin:0}.rt-shared{background:#e8f0e9}.rt-shared[data-state=unavailable]{background:#f3eddf}.rt-comparison .rt-outcome{border-top:1px solid #c0d1c5;padding-top:12px;margin-top:15px!important;font-weight:600;color:#314b50}.rt-assumptions{font-size:.76rem;line-height:1.7;padding:18px 27px;border-top:1px solid #c7d7cc;margin:0;color:#4a6267}.rt-assumptions strong{color:#314b50}.rt-nojs{font-size:.83rem;line-height:1.65;padding:0 27px 19px;margin:0}.rt-live{position:absolute!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.rt-ambition{display:grid;grid-template-columns:.85fr 1.2fr;gap:50px;margin-top:37px}.rt-ambition .eyebrow{margin-bottom:14px}.rt-ambition h3{font-size:1.65rem;line-height:1.25;margin-bottom:17px;max-width:440px}.rt-ambition p:not(.eyebrow){font-size:.91rem;line-height:1.75}.rt-ambition p:last-child{margin-bottom:0}.rt-privacy{font-size:.85rem;line-height:1.7;border-top:1px solid #bfcfc5;padding-top:22px;margin:28px 0 0;max-width:1030px}
@media(max-width:720px){.rt-controls{grid-template-columns:1fr;gap:16px}.rt-comparison{grid-template-columns:1fr}.rt-own{border-right:0;border-bottom:1px solid #c7d7cc}.rt-ambition{grid-template-columns:1fr;gap:21px}.rt-ambition h3{max-width:none}.rt-figure{padding:18px 20px 20px}.rt-scene{max-height:245px}.rt-vehicles{gap:8px}.rt-vehicles li{font-size:.8rem}.rt-vehicles span{font-size:.71rem}}
@media(max-width:450px){.rt-section{padding-left:14px;padding-right:14px}.rt-heading{padding:0 6px}.rt-intro,.rt-controls,.rt-comparison>section{padding:20px 17px}.rt-intro h3{font-size:1.4rem}.rt-figure{padding:18px 10px 19px}.rt-scene-top{font-size:.53rem;letter-spacing:0}.rt-vehicles{margin:0 0 17px}.rt-vehicles strong{font-size:.75rem}.rt-vehicles span{font-size:.68rem}.rt-figure .rt-flow-label{padding-left:6px;padding-right:6px;font-size:.76rem}.rt-figure .rt-diagram-note{font-size:.68rem;padding:0 6px}.rt-assumptions{padding:17px}.rt-ambition,.rt-privacy{margin-left:6px;margin-right:6px}.rt-sharing{font-size:.8rem}.rt-scenario-label select{font-size:.78rem}}
@media print{.rt-section{background:white}.rt-controls{display:none!important}.rt-demo{overflow:visible}.rt-figure{print-color-adjust:exact}.rt-comparison{display:block}.rt-comparison>section{break-inside:avoid}.rt-ambition{display:block}.rt-ambition>div+div{margin-top:18px}.rt-assumptions{font-size:9pt}}

.proposal-ribbon{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:9px max(22px,calc((100% - 1120px)/2));background:#e3ece5;color:#244b49;font:600 .72rem/1.6 ui-monospace,monospace;letter-spacing:.015em;border-bottom:1px solid #bacdc4}.proposal-ribbon a{font:600 .75rem/1.6 system-ui,sans-serif}.hero-body+.hero-body{margin-top:-2px}.adoption-section{background:#eaf0eb}.adoption-section .section-heading{max-width:850px}.adoption-path{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.adoption-path li{position:relative;background:#faf9f5;border:1px solid #c1d0c7;border-radius:6px;padding:22px 24px}.adoption-path li:not(:last-child):after{content:'→';position:absolute;right:-19px;top:36px;color:#176268;font-size:1.3rem;z-index:1}.adoption-path span{display:block;font:600 .7rem ui-monospace,monospace;color:#176268;margin-bottom:14px}.adoption-path strong{display:block;color:#102b35;font-size:1.1rem;line-height:1.3}.adoption-path p{font-size:.86rem;line-height:1.6;margin:12px 0 0}.adoption-limit{font-size:.78rem;line-height:1.65;max-width:900px;margin:18px 0 42px;color:#536a68}.adoption-columns{display:grid;grid-template-columns:1.2fr 1fr;gap:60px}.adoption-columns .eyebrow{margin-bottom:15px}.adoption-columns h3{font-size:1.8rem;margin-bottom:19px}.adoption-benefits{list-style:none;margin:0;padding:0}.adoption-benefits li{padding:14px 0;border-top:1px solid #c6d4cc;font-size:.92rem;line-height:1.7}.adoption-benefits strong{color:#102b35}.adoption-choice{background:#102b35;border-radius:6px;padding:29px;color:#d6e3df}.adoption-choice .eyebrow{color:#a3d9cb}.adoption-choice h3{color:#faf9f5}.adoption-choice p{font-size:.91rem;line-height:1.75}.adoption-choice a{color:#eec179;font-weight:600;font-size:.84rem}.adoption-evidence{margin:24px 0 0;font-size:.76rem;line-height:1.65;max-width:900px}.demos-transition{max-width:760px;margin:44px 0 27px}.demos-transition h3{font-size:1.75rem;margin-bottom:12px}.demos-transition p{font-size:.95rem}.proposal-roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:25px}.proposal-roadmap>div{border-top:1px solid #b8cbc6;padding-top:16px}.proposal-roadmap strong{display:block;color:#102b35}.proposal-roadmap p{font-size:.83rem;margin:9px 0 0}.hero-body strong{font-weight:650;color:#102b35}
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