:root{--paper:#f6f5ef;--ink:#171a20;--muted:#535850;--line:#d7d9ce;--lime:#ddfc52;--lilac:#b9b7f8;--coral:#ff9c83;--w:1160px}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font:16px/1.56 system-ui,-apple-system,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline-offset:4px;outline:3px solid #594acc}.wrap{width:min(calc(100% - 64px),var(--w));margin-inline:auto}.wire{background:var(--ink);color:#f0f2df;letter-spacing:.13em;font:700 10px/1.4 ui-monospace,monospace}.wire .wrap,.mast,.mast-right,.print-top,footer{justify-content:space-between;align-items:center;gap:24px;display:flex}.wire .wrap{padding:9px 0}.mast{padding:22px 0}.brand{letter-spacing:-.08em;align-items:center;gap:10px;font-size:24px;font-weight:850;line-height:.95;display:flex}.brand small{letter-spacing:.26em;font:750 9px/1.6 ui-monospace,monospace;display:block}.mast-right{gap:20px;font-size:13px;font-weight:650}.pill{border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:12px 18px;font-size:14px;font-weight:730;display:inline-flex}.dark{background:var(--ink);color:#fff}.lime{background:var(--lime);color:var(--ink)}.cover{background:var(--ink);color:var(--paper);border-radius:20px;grid-template-columns:1.5fr 1fr;align-items:center;gap:45px;padding:clamp(28px,5vw,68px);display:grid;overflow:hidden}.kicker,.serial,.stack small,.trace small{letter-spacing:.14em;color:#57604c;text-transform:uppercase;font:750 10px/1.45 ui-monospace,monospace}.light{color:var(--lime)}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.055em;line-height:1.08}h1{margin:21px 0;font-size:clamp(48px,6.7vw,98px)}h1 em{color:var(--lime);font-style:normal}.cover p{color:#d7dace;max-width:590px;font-size:clamp(14px,1.35vw,17px);line-height:1.55}.cover .pill{margin-top:26px}.edition-print{background:var(--lime);color:var(--ink);border:1px solid #72776a;padding:22px 24px;transform:rotate(3deg);box-shadow:9px 11px #414438}.print-top,.print-bottom{letter-spacing:.1em;padding-bottom:12px;font:800 9px/1.3 ui-monospace,monospace}.print-city{border-top:2px solid var(--ink);letter-spacing:-.095em;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;font-size:clamp(54px,6vw,90px);font-weight:850;line-height:1;display:flex}.print-city small{letter-spacing:.04em;text-align:right;font:800 10px/1.35 ui-monospace,monospace}.print-bottom{border-top:2px solid var(--ink);padding:12px 0 0}.tabs{border-bottom:1px solid var(--line);gap:8px;margin:28px 0;padding-bottom:12px;display:flex}.tabs button,.toggles button{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:28px;padding:9px 16px;font-size:13px;font-weight:680}.tabs small{opacity:.65;margin-right:7px}.tabs [aria-selected=true],.toggles [aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.panel[hidden]{display:none}.section-title{max-width:900px;margin:45px 0 23px}.section-title h2{margin:10px 0 14px;font-size:clamp(30px,3.4vw,52px)}.section-title p,.stack p,.ledger p,.principles p,.chapters p,.road p,.note p,.trace p{color:var(--muted);line-height:1.55}.section-title p{max-width:760px}.triptych,.chapters,.principles,.ledger,.trace{gap:14px;display:grid}.triptych,.ledger{grid-template-columns:repeat(3,minmax(0,1fr))}.triptych article,.chapters article,.principles article,.ledger article,.trace article{border:1px solid var(--line);background:#fff;border-radius:13px;padding:23px}.triptych article:nth-child(2){background:var(--lilac)}.triptych article:nth-child(3){background:#ebf3c9}.triptych h3,.chapters h3{margin:18px 0 12px;font-size:clamp(25px,2.5vw,37px)}.triptych p{color:#40453d;font-size:14px}.triptych b{margin-top:25px;font-size:12px;display:block}.flow-block{border:1px solid var(--line);background:#ebece2;border-radius:16px;margin-top:36px;padding:28px}.compact{margin:0 0 18px}.compact h2{font-size:34px}.toggles{flex-wrap:wrap;gap:7px;margin-bottom:17px;display:flex}.trace{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.trace article{padding:17px;position:relative}.step{text-align:center;background:var(--lime);border-radius:50%;width:29px;height:29px;margin-bottom:16px;font:800 14px/29px ui-monospace,monospace;display:block}.trace small{color:#62695c;font-size:9px}.trace h3,.stack h3,.road h3{margin:6px 0 10px;font-size:21px}.trace p,.stack p,.ledger p,.note p,.principles p,.chapters p,.road p{font-size:14px}.stack{border-top:2px solid var(--ink)}.stack article{border-bottom:1px solid var(--line);grid-template-columns:.75fr 1fr 1.3fr;gap:24px;padding:22px 0;display:grid}.stack-key span{color:var(--muted);font:700 12px ui-monospace,monospace}.stack small{font-size:9px}.stack p{margin-top:5px}.note{background:var(--lilac);border-radius:13px;margin-top:25px;padding:21px 24px}.note strong{font-size:19px}.note p{color:#292c39;margin-top:5px}.chapters{grid-template-columns:1fr 1fr}.chapters article{background:#eff5d8;padding:28px}.chapters article+article{background:#f6e2dc}.city-number{letter-spacing:-.09em;margin:24px 0 6px;font-size:clamp(54px,7vw,90px);font-weight:820;line-height:1}.chapters h3{margin:6px 0 12px}.chapters dl{margin:22px 0}.chapters dt{letter-spacing:.11em;text-transform:uppercase;margin:14px 0 4px;font:750 10px ui-monospace,monospace}.chapters dd{margin:0;font-size:14px}.ledger article b,.principles b{font-size:18px}.ledger p,.principles p{margin-top:7px}.road{border-top:2px solid var(--ink)}.road article{border-bottom:1px solid var(--line);align-items:flex-start;gap:24px;padding:23px 0;display:flex}.road article>span{background:var(--lime);border-radius:7px;padding:9px 10px;font:800 24px ui-monospace,monospace}.principles{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.principles article{padding:17px}.principles p{font-size:13px}footer{border-top:1px solid var(--line);align-items:start;margin-top:55px;padding:24px 0 40px}footer strong{font:800 17px ui-monospace,monospace}footer p,footer a{margin-top:6px;font-size:12px}footer a{text-align:right;font-weight:700;display:block}.skip{color:#000;z-index:4;background:#fff;padding:8px;position:fixed;top:-100px;left:10px}.skip:focus{top:5px}@media (width<=850px){.trace,.principles{grid-template-columns:repeat(2,minmax(0,1fr))}.triptych,.ledger{gap:9px}.triptych article,.ledger article{padding:16px}.cover{gap:30px}.stack article{grid-template-columns:.7fr 1fr 1.1fr;gap:15px}}@media (width<=640px){.wrap{width:calc(100% - 32px)}.wire .wrap{gap:7px;font-size:8px}.mast{padding:15px 0}.mast-right>a:first-child{display:none}.cover{grid-template-columns:1fr;gap:24px;padding:26px}.edition-print{box-shadow:none;grid-template-columns:1fr 1fr;gap:7px;padding:14px 17px;display:grid;transform:none}.print-top,.print-bottom{grid-column:span 2;padding:4px 0}.print-city{padding:7px 0;font-size:37px;display:block}.print-city small{text-align:left;margin-top:4px;font-size:8px;display:block}.tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;display:grid}.tabs button{border-radius:7px;padding:8px 4px;font-size:11px}.tabs small{display:block}.triptych,.ledger,.chapters{grid-template-columns:1fr}.flow-block{padding:15px}.trace{grid-template-columns:1fr}.trace article{padding-left:60px}.step{position:absolute;top:17px;left:16px}.toggles button{padding:8px 10px;font-size:12px}.stack article{grid-template-columns:1fr 1fr}.stack-key{grid-column:span 2;align-items:center;gap:10px;display:flex}.stack-key h3{margin:0}.principles{grid-template-columns:1fr 1fr}.section-title{margin-top:30px}.road article{gap:14px}.chapters article{padding:21px}footer{display:block}footer a{text-align:left}.print-bottom{font-size:8px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.field-links{flex-wrap:wrap;gap:10px 20px;margin:17px 0;display:flex}.field-links a{text-underline-offset:3px;font-size:13px;font-weight:700;text-decoration:underline}.device-plan{background:#e7e6f6;border:1px solid #d9d7ed;border-radius:15px;grid-template-columns:.85fr 1.35fr;gap:20px;padding:22px;display:grid}.device-controls label{margin-bottom:5px;font-size:13px;font-weight:700;display:block}.device-controls select{width:100%;font:inherit;background:#fff;border:1px solid #c2c2cc;border-radius:7px;margin-bottom:18px;padding:10px;font-size:14px}.device-controls p,.device-plan details p{color:var(--muted);font-size:13px}#device-preview{background:#fff;border-radius:11px;min-width:0;padding:20px}.device-eyebrow,.device-sequence{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;display:flex}.device-eyebrow{letter-spacing:.12em;font:700 9px ui-monospace,monospace}#device-preview h3{margin:13px 0;font-size:28px}.device-sequence{justify-content:flex-start}.device-sequence span{border:1px solid var(--line);border-radius:5px;padding:4px 7px;font-size:11px}.device-sequence span.on{background:var(--lime);border-color:#9ca75b;font-weight:720}.device-screen{background:var(--ink);color:#fff;border-radius:9px;margin:14px 0;padding:17px}.device-screen small{color:var(--lime);text-transform:uppercase;font:650 10px ui-monospace,monospace;display:block}.device-screen b{margin:9px 0;font-size:24px;display:block}.device-screen p{color:#dadae1;font-size:14px}.device-plan details{margin-top:14px}.device-plan summary{cursor:pointer;font-size:12px;font-weight:680}.device-plan details p{margin:6px 0}.sources{flex-wrap:wrap;gap:8px 14px;margin:25px 0;display:flex}.sources b{width:100%;font-size:13px}.sources a{text-underline-offset:3px;color:#41416c;font-size:12px;text-decoration:underline}@media (width<=700px){.device-plan{grid-template-columns:1fr;padding:13px}.device-controls select{margin-bottom:12px}.tabs{grid-template-columns:1fr 1fr;display:grid}.tabs button{font-size:12px}.device-screen b{font-size:21px}}