@font-face{font-family:"Inter Display";src:url("/assets/fonts/InterDisplay-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter Display";src:url("/assets/fonts/InterDisplay-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter Display";src:url("/assets/fonts/InterDisplay-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Inter Display";src:url("/assets/fonts/InterDisplay-Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Inter Display";src:url("/assets/fonts/InterDisplay-Black.woff2") format("woff2");font-weight:900;font-display:swap}

:root{
  --paper:#F4F7F8;--surface:#FFFFFF;--ink:#1E2427;--muted:#4A565B;--rule:#C3CFD3;
  --cyan:#00B8D9;--cyan-ink:#007A91;--cyan-text:#006B80;--cyan-tint:#DDF5FA;
  --block:#C2410C;--block-tint:#FCEDE5;
  --console:#1E2427;--console-ink:#E4ECEE;--console-muted:#A9B8BD;--console-cyan:#3FD3EE;--console-block:#FF9E78;
  --sans:"Inter Display","Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper) url("assets/dot-grid.svg") repeat;color:var(--ink);font:500 1rem/1.55 var(--sans)}
h1,h2,h3,h4{margin:0;line-height:1.1}
p{margin:0}
code,pre{font-family:var(--mono)}
a{color:var(--cyan-ink);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--cyan-ink);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 14px;z-index:2}
.skip:focus{top:12px}
.wrap{max-width:1360px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
[hidden]{display:none!important}

/* top bar */
.topbar{border-bottom:1.5px solid var(--ink);background:var(--paper)}
.topbar__in{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:44px;height:26px}
.m-ink{fill:var(--ink)}.m-signal{fill:var(--cyan);stroke:var(--ink);stroke-width:2}
.m-line{stroke:var(--ink);stroke-width:3;stroke-linecap:round;fill:none}
.m-contact{fill:#fff;stroke:var(--ink);stroke-width:2}
.brand__word{font-weight:900;font-size:1.5rem;letter-spacing:-.04em}
.concept{font-size:.875rem;color:var(--muted);font-weight:600}
.back{margin-left:auto;font-weight:600;font-size:.9375rem;padding:10px 0}

/* hero */
.hero__grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(36px,6vw,72px) clamp(32px,5vw,56px)}
h1{font-weight:900;font-size:clamp(2.75rem,5.2vw,5.25rem);letter-spacing:-.045em;line-height:.95}
.lede{margin-top:24px;font-size:1.1875rem;max-width:34em}
.disclosure{margin-top:20px;font-size:.9375rem;color:var(--muted);padding-left:14px;border-left:3px solid var(--cyan)}
.jump{display:inline-flex;align-items:center;min-height:48px;margin-top:28px;padding:0 22px;background:var(--ink);color:#fff;font-weight:600;text-decoration:none;border-radius:999px}
.jump:hover{background:#000}
.hero__circuit{margin:0}
.circuit{display:block;width:100%;height:auto}
.circuit--tall{display:none;max-width:420px;margin-inline:auto}

/* circuit states */
.c-wire{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.c-wire.is-live{stroke:var(--cyan);stroke-width:4}
.c-wire--dead{stroke-dasharray:3 6;stroke:var(--muted)}
.c-joint{fill:var(--ink)}
.c-stop{stroke:var(--ink);stroke-width:4;stroke-linecap:round}
.c-x{stroke:var(--block);stroke-width:3;stroke-linecap:round;fill:none}
.c-contact{fill:#fff;stroke:var(--ink);stroke-width:2.5}
.c-lever{stroke:var(--ink);stroke-width:5;stroke-linecap:round;transition:transform .4s cubic-bezier(.3,1.5,.5,1)}
.c-lever--wide{transform-origin:330px 350px;transform:rotate(-32deg)}
.c-lever--tall{transform-origin:64px 410px;transform:rotate(-34deg)}
.gate-closed .c-lever{transform:rotate(0);stroke:var(--cyan-ink)}
.c-gate{font:600 13px var(--sans);fill:var(--muted)}
.c-node rect{fill:var(--surface);stroke:var(--ink);stroke-width:1.75}
.c-name{font:700 17px var(--mono);fill:var(--ink)}
.c-sub{font:500 13px var(--sans);fill:var(--muted)}
.c-status{font:700 13px var(--sans);fill:var(--muted)}
.circuit--tall .c-name{font-size:15px}
.circuit--tall .c-sub,.circuit--tall .c-status{font-size:12.5px}
.c-node--off rect{stroke-dasharray:6 5;fill:transparent}
.c-node.is-called rect,.c-node.is-approved rect,.c-node.is-running rect,.c-node.is-done rect{fill:var(--cyan-tint);stroke:var(--cyan-ink);stroke-width:2.5}
.c-node.is-called .c-status,.c-node.is-approved .c-status,.c-node.is-running .c-status{fill:var(--cyan-text)}
.c-node.is-held rect{stroke:var(--ink);stroke-width:2.5;stroke-dasharray:8 5}
.c-node.is-held .c-status{fill:var(--ink)}
.c-node.is-rejected rect,.c-node.is-denied rect{fill:var(--block-tint);stroke:var(--block);stroke-width:2.5;stroke-dasharray:none}
.c-node.is-rejected .c-status,.c-node.is-denied .c-status{fill:var(--block)}
.legend{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:14px;font-size:.875rem;color:var(--muted)}
.legend__item{display:inline-flex;align-items:center;gap:8px}
.legend svg{width:28px;height:14px}
.lg-live{stroke:var(--cyan);stroke-width:4}
.lg-wire{stroke:var(--ink);stroke-width:2}
.lg-lever{stroke:var(--ink);stroke-width:3;stroke-linecap:round}
.lg-x{stroke:var(--block);stroke-width:3;stroke-linecap:round}

/* console */
.console{padding-block:clamp(40px,5vw,64px);border-top:1.5px solid var(--ink)}
.console__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 32px;margin-bottom:24px}
.console__head h2,.schemas h2,.approach h2{font-weight:900;font-size:clamp(1.75rem,3vw,2.5rem);letter-spacing:-.035em}
.console__head p{color:var(--muted);max-width:44em}
.console__grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:start}

/* control bar: one band across the console */
.controls{grid-column:1 / -1;background:var(--surface);border:1.5px solid var(--ink);border-radius:8px}
.controls__form,.nojs{padding:16px 18px}
.controls__form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 32px;align-items:end}
.scen{border:0;margin:0;padding:0;min-width:0}
.scen legend{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 12px;padding:0;margin-bottom:10px;font-weight:700;font-size:1rem}
.scen-lock{font-weight:500;font-size:.875rem;color:var(--muted)}
.scen__opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1.5px solid var(--rule);border-radius:6px;background:var(--surface);cursor:pointer}
.opt:has(input:checked){border-color:var(--ink);box-shadow:inset 4px 0 0 var(--cyan)}
.opt:has(input:disabled){cursor:not-allowed;opacity:.6}
.opt input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--cyan-ink);flex:none}
.opt__text{display:grid;gap:2px}
.opt__name{font-weight:700}
.opt__hint{font-size:.875rem;color:var(--muted)}
.runbar{display:flex;align-items:center;gap:8px}
.seg{display:flex}
.btn{min-height:44px;padding:0 18px;border:1.5px solid var(--ink);border-radius:6px;background:var(--surface);color:var(--ink);font:600 .9375rem var(--sans);cursor:pointer;white-space:nowrap}
.btn:hover:not(:disabled){background:var(--cyan-tint)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover:not(:disabled){background:#000}
.seg .btn{min-height:48px;border-radius:0;position:relative}
.seg .btn:first-child{border-radius:6px 0 0 6px}
.seg .btn:last-child{border-radius:0 6px 6px 0;border-left:0}
.seg .btn:focus-visible{z-index:1}
.btn-text{min-height:48px;padding:0 10px;border:0;background:none;color:var(--ink);font:600 .9375rem var(--sans);text-decoration:underline;text-decoration-color:var(--rule);text-decoration-thickness:2px;text-underline-offset:5px;cursor:pointer;white-space:nowrap}
.btn-text:hover{text-decoration-color:var(--cyan-ink)}
.status{border-top:1px solid var(--rule);padding:12px 18px 12px 21px;box-shadow:inset 3px 0 0 var(--cyan);background:var(--paper);border-radius:0 0 7px 7px;font-size:.9375rem;min-height:48px}
.nojs h3{font-size:1rem;margin-bottom:10px}
.scen-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.scen-list li{display:grid;gap:2px;padding:12px;border:1.5px solid var(--rule);border-radius:6px}
.scen-list span{font-size:.875rem;color:var(--muted)}
.nojs__note{margin-top:10px;font-size:.9375rem;color:var(--muted)}

.center{display:grid;gap:24px;min-width:0}
.approval{background:var(--surface);border:1.5px solid var(--ink);border-top-width:6px;border-radius:6px;padding:18px 20px 20px}
.approval.is-pending{border-top-color:var(--cyan)}
.approval.is-approved{border-top-color:var(--cyan-ink)}
.approval.is-rejected,.approval.is-denied{border-top-color:var(--block)}
.approval__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;margin-bottom:12px}
.approval__head h3{font-size:1.25rem;font-weight:800}
.gate-chip{font-size:.875rem;font-weight:700;padding:4px 10px;border:1.5px solid var(--ink);border-radius:999px}
.is-pending .gate-chip{border-style:dashed}
.is-approved .gate-chip{color:var(--cyan-ink);border-color:var(--cyan-ink)}
.is-rejected .gate-chip,.is-denied .gate-chip{color:var(--block);border-color:var(--block)}
.approval__lead code,.policy__note code{font-weight:700}
.approval__empty{color:var(--muted)}
.approval__result{font-weight:600}
.is-rejected .approval__result,.is-denied .approval__result{color:var(--block)}
.is-approved .approval__result{color:var(--cyan-ink)}
.diff-key{margin-top:8px;font-size:.8125rem;color:var(--muted)}
.diff{margin:10px 0 0;padding:12px 14px;background:var(--console);color:var(--console-ink);border-radius:6px;font-size:.8125rem;line-height:1.55;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere}
.d-line{display:block;white-space:pre-wrap}
.d-del{color:var(--console-block)}
.d-add{color:var(--console-cyan);font-weight:700}
.decide{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.decide .btn{flex:1 1 140px;min-height:48px}
.btn--approve{background:var(--cyan-ink);border-color:var(--cyan-ink);color:#fff}
.btn--approve:hover:not(:disabled){background:#00616F}
.btn--reject{color:var(--block);border-color:var(--block)}
.btn--reject:hover:not(:disabled){background:var(--block-tint)}

.inventory{background:var(--surface);border:1.5px solid var(--rule);border-radius:6px;padding:18px 20px}
.inventory__head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.inventory__head h3{font-size:1.25rem;font-weight:800}
.ledger-tag{font:700 .8125rem var(--mono);padding:4px 10px;border-radius:4px;background:var(--ink);color:#fff}
.ledger-tag.is-new{background:var(--cyan-ink)}
.inv{width:100%;border-collapse:collapse;font-size:.9375rem}
.inv th{text-align:left;font-size:.8125rem;font-weight:700;color:var(--muted);padding:8px 8px 8px 0;border-bottom:1.5px solid var(--ink)}
.inv td{padding:10px 8px 10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.inv .num{text-align:right;font-variant-numeric:tabular-nums}
.inv code{font-size:.8125rem;white-space:nowrap}
.inv td.is-changed{background:var(--cyan-tint);padding-left:6px}
.mark{display:block;font:700 .75rem var(--mono);color:var(--cyan-text);white-space:nowrap}
.flag{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:600}
.flag::before{content:"";flex:none;width:9px;height:9px}
.flag--low{color:var(--block)}
.flag--low::before{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:9px solid var(--block)}
.flag--covered{color:var(--cyan-ink)}
.flag--covered::before{border:2px solid var(--cyan-ink);border-radius:50%}
.flag--ok{color:var(--muted)}
.flag--ok::before{background:var(--muted);border-radius:50%;width:7px;height:7px}

.trace{background:var(--console);color:var(--console-ink);border-radius:6px;padding:16px 0 4px;min-width:0}
.trace__head{display:flex;align-items:center;gap:10px;padding:0 18px 12px;border-bottom:1px solid #3A4448}
.trace__head h3{font-size:1.25rem;font-weight:800}
.trace__tag{font:700 .75rem var(--mono);border:1px solid var(--console-cyan);color:var(--console-cyan);padding:1px 7px;border-radius:999px}
.trace__count{margin-left:auto;font-size:.875rem;color:var(--console-muted)}
.trace__scroll{max-height:720px;overflow:auto;padding:4px 18px 14px}
.trace__scroll:focus-visible{outline:3px solid var(--console-cyan);outline-offset:-3px}
.trace__empty{padding:18px 0;color:var(--console-muted)}
.run{padding-top:12px}
.run__title{font-size:.9375rem;font-weight:700;color:var(--console-muted);margin-bottom:6px}
.calls{list-style:none;margin:0;padding:0}
.call{padding:12px 0;border-top:1px dashed #3A4448}
.call__head{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-bottom:6px}
.call__n{font:700 .75rem var(--mono);min-width:24px;height:24px;display:inline-grid;place-items:center;border:1.5px solid var(--console-muted);border-radius:50%}
.call__tool{font-weight:700;font-size:.9375rem}
.badge{font:600 .75rem var(--mono);padding:2px 8px;border-radius:4px;background:#2E373B;color:var(--console-ink)}
.badge--light{background:var(--paper);color:var(--ink);border:1px solid var(--rule)}
.dec{font-size:.8125rem;font-weight:700;padding:2px 8px;border-radius:999px;border:1.5px solid currentColor}
.dec--ok{color:var(--console-cyan)}
.dec--held{color:var(--console-ink);border-style:dashed}
.dec--block{color:var(--console-block)}
.call__label{font-size:.75rem;color:var(--console-muted);margin-top:6px}
.code{margin:2px 0 0;font-size:.78rem;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--console-ink)}

/* schemas + policy */
.schemas{padding-block:clamp(40px,5vw,64px);border-top:1.5px solid var(--ink)}
.schemas__grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,56px);align-items:start}
.section-lede{margin:10px 0 18px;color:var(--muted);max-width:40em}
.schema{border-top:1.5px solid var(--ink)}
.schema:last-of-type{border-bottom:1.5px solid var(--ink)}
.schema summary{display:flex;align-items:center;gap:12px;min-height:52px;cursor:pointer;font-weight:700;padding:6px 4px}
.schema summary code{font-size:1rem}
.schema summary::after{content:"+";margin-left:auto;font:700 1.25rem var(--mono)}
.schema[open] summary::after{content:"-"}
.code--light{color:var(--ink);background:var(--surface);border:1px solid var(--rule);border-radius:6px;padding:14px;margin:0 0 14px;font-size:.8125rem}
.policy{width:100%;border-collapse:collapse;background:var(--surface);font-size:.9375rem}
.policy th,.policy td{padding:10px;border:1px solid var(--rule);text-align:left}
.policy thead th{font-size:.8125rem;color:var(--muted);background:var(--paper)}
.policy tbody th code{font-size:.875rem;white-space:nowrap}
.p-yes,.p-gate,.p-deny{font-weight:700}
.p-yes{color:var(--cyan-ink)}
.p-held{color:var(--muted);font-weight:600}
.p-gate{background:var(--cyan-tint);box-shadow:inset 3px 0 0 var(--cyan);color:var(--ink)}
.p-deny{color:var(--block)}
.p-mark{display:inline-flex;align-items:center;gap:6px}
.p-mark svg{flex:none;width:22px;height:12px}
.p-deny .p-mark svg{width:11px;height:11px}
.pg-wire{stroke:var(--cyan-ink);stroke-width:2;fill:none}
.pg-lever{stroke:var(--cyan-ink);stroke-width:3;stroke-linecap:round;fill:none}
.pg-x{stroke:var(--block);stroke-width:2.5;stroke-linecap:round;fill:none}
.policy__note{margin-top:14px;font-size:.9375rem;color:var(--muted)}

/* approach */
.approach{padding-block:clamp(40px,5vw,64px);border-top:1.5px solid var(--ink)}
.approach__grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.approach h2{grid-column:1 / span 4}
.approach__list{grid-column:5 / -1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.approach__list li{border-top:4px solid var(--cyan);padding-top:14px}
.approach__list h3{font-size:1.125rem;font-weight:800;margin-bottom:8px}
.approach__list p{color:var(--muted)}
.cta{grid-column:5 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:16px;padding-top:24px;border-top:1.5px solid var(--rule)}
.cta p{flex:1 1 320px;font-size:1.0625rem}
.cta__link{display:inline-flex;align-items:center;min-height:52px;padding:0 24px;background:var(--ink);color:#fff;font-weight:700;text-decoration:none;border-radius:999px}
.cta__link:hover{background:#000}
.foot{border-top:1.5px solid var(--ink);padding-block:20px;font-size:.875rem;color:var(--muted)}

/* responsive */
@media (max-width:1100px){
  .console__grid{grid-template-columns:minmax(0,1fr)}
  .trace__scroll{max-height:520px}
}
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr}
  .schemas__grid{grid-template-columns:1fr}
  .approach h2,.approach__list,.cta{grid-column:1 / -1}
}
@media (max-width:900px){
  .controls__form{grid-template-columns:minmax(0,1fr)}
  .runbar{justify-content:space-between}
}
@media (max-width:720px){
  .approach__list{grid-template-columns:1fr}
  .circuit--wide{display:none}
  .circuit--tall{display:block}
  .lede{font-size:1.0625rem}
  .trace__scroll{max-height:60vh}
}
@media (max-width:600px){
  .controls__form,.nojs{padding:14px 12px}
  .status{padding:10px 12px 10px 15px}
  .scen__opts,.scen-list{grid-template-columns:1fr}
  .opt{padding:10px 12px}
  .runbar{gap:4px}
  .seg{flex:1 1 auto}
  .seg .btn{flex:1 1 auto;padding:0 12px}
  .approval,.inventory{padding:16px 14px}
  /* compact ledger rows: SKU, item and on order first; on hand, reorder point and status second */
  .inv thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .inv,.inv tbody{display:block;width:100%}
  .inv tr{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:10px;row-gap:3px;padding:9px 0;border-bottom:1px solid var(--rule)}
  .inv tr:first-child{border-top:1.5px solid var(--ink)}
  .inv tr::before{content:"";order:1;flex-basis:100%;height:0}
  .inv td{display:block;padding:0;border:0;text-align:left}
  .inv td:nth-child(1){flex:none}
  .inv td:nth-child(1) code{color:var(--muted)}
  .inv td:nth-child(2){flex:1 1 0;min-width:0;font-weight:600;line-height:1.3}
  .inv td:nth-child(5){flex:none;text-align:right;font-weight:700}
  .inv td:nth-child(3),.inv td:nth-child(4),.inv td:nth-child(6){order:2;font-size:.8125rem;color:var(--muted)}
  .inv td:nth-child(3)::before,.inv td:nth-child(4)::before,.inv td:nth-child(5)::before{content:attr(data-label);margin-right:.3em;font-weight:500;color:var(--muted)}
  .inv td:nth-child(4)::before{content:"Reorder at"}
  .inv td:nth-child(5)::before{font-size:.8125rem}
  .inv td:nth-child(6) .flag{font-size:.8125rem}
  .inv td.is-changed{background:none;padding:0}
  .inv .mark{display:block;margin-top:2px;padding:1px 6px;background:var(--cyan-tint);border-radius:4px}
  .policy{font-size:.8125rem}
  .policy th,.policy td{padding:8px 6px}
  .policy th:nth-child(2),.policy td:nth-child(2){display:none}
  .policy tbody th code{font-size:.6875rem}
  .p-mark{flex-wrap:wrap;gap:2px 6px}
}
@media (max-width:480px){
  .back{margin-left:0}
  .topbar__in{gap:4px 16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .c-lever{transition:none}
}

/* Allow user text-spacing preferences to reflow on narrow screens. */
.schemas__grid > * { min-width:0; }
.schema summary { flex-wrap:wrap; overflow-wrap:anywhere; }
.policy tbody th code { white-space:normal; overflow-wrap:anywhere; }