:root{
  --paper:#F4F6F1;
  --band:#E3EBDD;
  --ink:#17231E;
  --ink-2:#47574F;
  --rule:#C8D2C2;
  --data:#1E5442;
  --tape:#F3DE86;
  --tape-ink:#8A6A00;
  --empty:#B5381F;
  --focus:#1E5442;
  --wrap:1120px;
  --gutter:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-stretch:100%;font-size:17px;line-height:1.55;
  font-feature-settings:"kern" 1;
}
a{color:var(--data);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:10}
.skip:focus{left:8px}

/* header */
.top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0 18px;border-bottom:1px solid var(--rule)}
.name{font-weight:750;font-stretch:118%;font-size:19px;letter-spacing:-.005em;color:var(--ink);text-decoration:none}
.top nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 22px;flex-wrap:wrap}
.top nav a{color:var(--ink-2);text-decoration:none;font-size:15px}
.top nav a:hover{color:var(--ink);text-decoration:underline}

/* hero */
.hero{padding:clamp(40px,7vw,84px) 0 0}
h1{
  margin:0;max-width:17ch;
  font-weight:760;font-stretch:115%;
  font-size:clamp(34px,5.6vw,64px);line-height:1.04;letter-spacing:-.02em;
}
.lede{max-width:58ch;margin:22px 0 0;font-size:clamp(17px,1.6vw,19px);color:var(--ink-2)}

/* simulator */
.sim{margin:clamp(36px,5vw,56px) 0 0;border-top:2px solid var(--ink)}
.sim-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px 24px;flex-wrap:wrap;padding:14px 0 10px}
.sim-head h2{margin:0;font-size:17px;font-weight:650;font-stretch:108%}
.sim-head p{margin:0;font-size:14.5px;color:var(--ink-2);max-width:62ch}
.chart{display:block;width:100%;height:auto;overflow:visible}
.chart text{font-family:inherit;fill:var(--ink-2);font-variant-numeric:tabular-nums}
.chart .lbl-tape{fill:var(--tape-ink);font-weight:600}
.controls{display:flex;flex-wrap:wrap;gap:14px 36px;padding:16px 0 0;margin:0}
.controls fieldset{border:0;margin:0;padding:0;min-width:0}
.controls legend{font-size:14px;color:var(--ink-2);padding:0;margin-bottom:6px}
.seg{display:inline-flex;border:1.5px solid var(--ink);border-radius:6px;overflow:hidden}
.seg label{position:relative}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:block;padding:7px 14px;font-size:15px;font-variant-numeric:tabular-nums;border-left:1.5px solid var(--ink);user-select:none;cursor:pointer;min-width:44px;text-align:center}
.seg label:first-child span{border-left:0}
.seg input:checked + span{background:var(--ink);color:var(--paper)}
.seg input:focus-visible + span{outline:3px solid var(--tape-ink);outline-offset:-4px}
.readout{display:flex;flex-wrap:wrap;gap:10px 40px;margin:22px 0 0;padding:14px 0 0;border-top:1px solid var(--rule)}
.readout div{display:flex;flex-direction:column}
.readout dt{font-size:14px;color:var(--ink-2)}
.readout dd{margin:0;font-size:30px;font-weight:700;font-stretch:112%;font-variant-numeric:tabular-nums;line-height:1.15}
.readout dd small{font-size:15px;font-weight:500;font-stretch:100%;color:var(--ink-2);margin-left:4px}
.sim-note{margin:14px 0 0;font-size:14px;color:var(--ink-2);max-width:72ch}
.key{display:inline-block;width:14px;height:6px;vertical-align:middle;margin:0 4px 2px 0;border-radius:1px}

/* sections */
section.block{padding:clamp(56px,8vw,96px) 0 0}
h2.sec{margin:0 0 6px;font-size:clamp(26px,3vw,34px);font-weight:740;font-stretch:115%;letter-spacing:-.015em;line-height:1.1}
.sec-note{margin:0 0 26px;color:var(--ink-2);max-width:62ch}

/* results ledger */
.ledger{width:100%;border-collapse:collapse;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.ledger tr:nth-child(odd){background:var(--band)}
.ledger th,.ledger td{text-align:left;vertical-align:baseline;padding:18px 16px}
.ledger th{width:34%;font-weight:720;font-stretch:112%;font-size:clamp(24px,3vw,34px);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em;white-space:nowrap}
.ledger th span{display:block;font-size:14px;font-weight:500;font-stretch:100%;letter-spacing:0;color:var(--ink-2);margin-top:4px;white-space:normal}
.ledger td{max-width:60ch;font-size:16.5px}

/* work */
.work{border-top:2px solid var(--ink)}
.work article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:8px 48px;padding:28px 0;border-bottom:1px solid var(--rule)}
.work h3{margin:0;font-size:22px;font-weight:700;font-stretch:110%;line-height:1.2;letter-spacing:-.01em}
.work .built{margin:8px 0 0;font-size:14.5px;color:var(--ink-2)}
.work .result{margin:0;font-size:18.5px;line-height:1.5}
.work details{margin-top:12px}
.work summary{cursor:pointer;color:var(--data);font-weight:600;font-size:15.5px;width:max-content;list-style:none;padding:4px 0}
.work summary::-webkit-details-marker{display:none}
.work summary::before{content:"+";display:inline-block;width:1.1em;font-weight:700}
.work details[open] summary::before{content:"\2212"}
.work details p{margin:8px 0 0;color:var(--ink-2);max-width:66ch}
.small-builds{margin:34px 0 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:8px 48px}
.small-builds h3{margin:0;font-size:18px;font-weight:680;font-stretch:108%}
.small-builds ul{margin:0;padding:0 0 0 1.1em}
.small-builds li{margin:0 0 6px}

/* tools */
.tools{margin:0;border-top:2px solid var(--ink)}
.tools div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:4px 48px;padding:16px 0;border-bottom:1px solid var(--rule)}
.tools dt{font-weight:680;font-stretch:108%}
.tools dd{margin:0;color:var(--ink-2)}

/* about + contact */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:8px 48px;border-top:2px solid var(--ink);padding-top:22px}
.about p{margin:0 0 14px;max-width:62ch}
.about .facts{list-style:none;margin:0;padding:0;color:var(--ink-2);font-size:15.5px}
.about .facts li{padding:6px 0;border-bottom:1px solid var(--rule)}
.contact{margin-top:clamp(56px,8vw,96px);background:var(--ink);color:var(--paper);border-radius:10px;padding:clamp(28px,5vw,52px)}
.contact h2{margin:0;font-size:clamp(28px,4vw,44px);font-weight:760;font-stretch:115%;letter-spacing:-.02em;line-height:1.05;max-width:18ch}
.contact p{margin:14px 0 0;color:#C9D6CE;max-width:52ch}
.btn{display:inline-block;margin-top:24px;background:var(--tape);color:var(--ink);font-weight:700;text-decoration:none;padding:13px 22px;border-radius:6px;font-size:17px}
.btn:hover{background:#F7E7A6;text-decoration:none}
.contact .btn:focus-visible{outline-color:var(--tape);outline-offset:4px}
footer{padding:28px 0 40px;font-size:14px;color:var(--ink-2)}

@media (max-width:760px){
  .work article,.small-builds,.tools div,.about{grid-template-columns:1fr}
  .ledger,.ledger tbody,.ledger tr,.ledger th,.ledger td{display:block;width:100%}
  .ledger th{padding:18px 14px 2px;white-space:normal}
  .ledger td{padding:6px 14px 18px}
  .readout{gap:10px 28px}
  .readout dd{font-size:26px}
}
@media (max-width:420px){
  .seg span{padding:7px 11px}
  .controls{gap:14px 22px}
}
@media (prefers-reduced-motion:no-preference){
  .draw{animation:draw 1.6s cubic-bezier(.3,.1,.2,1) .2s both}
  @keyframes draw{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
}
@media print{.sim .controls,.skip,.top nav{display:none}.contact{background:none;color:var(--ink);border:1px solid var(--ink)}}
.story{padding:48px 0;border-top:2px solid var(--ink);margin-top:35px;scroll-margin-top:20px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--ink-2);margin:0 0 12px}.story h2{font-size:clamp(27px,4vw,43px);line-height:1.1;letter-spacing:-.02em;margin:0 0 28px;max-width:25ch}.story-lines{max-width:84ch}.story-lines>div{display:grid;grid-template-columns:85px 1fr;gap:16px;margin:18px 0}.story-lines dt{font-size:13px;font-weight:700;color:var(--ink-2);padding-top:3px}.story-lines dd{margin:0}.demo{margin:30px 0;padding:24px;background:var(--band);border:1px solid var(--rule)}.try{font-weight:600;margin:0 0 16px}.presets{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 24px}button,select,input{font:inherit;color:var(--ink)}button,select,input[type=number]{background:var(--paper);border:1px solid var(--rule);border-radius:4px;min-height:44px;padding:9px 12px;max-width:100%}button{cursor:pointer;font-size:14px}button:hover{background:var(--tape)}label{font-size:14px;color:var(--ink-2)}label>input[type=number],label>select{display:block;width:100%;margin-top:6px}input[type=range]{width:100%;accent-color:var(--data);min-height:44px}fieldset{border:0;padding:0;margin:16px 0}legend{font-size:14px;color:var(--ink-2);margin-bottom:8px}.store-inputs{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.goal{display:block;max-width:650px}.goal output{float:right;font-weight:700;color:var(--ink)}.push-visual{display:grid;grid-template-columns:minmax(0,1fr) 200px;align-items:center;gap:25px;margin-top:20px}.dc-gauge span,.dc-gauge small{display:block;color:var(--ink-2);font-size:13px}.dc-gauge strong{font-size:34px;display:block}.gauge{height:5px;background:var(--rule);margin:15px 0}.gauge i{display:block;height:100%;background:var(--data)}.explanation{border-top:1px solid var(--rule);padding:18px 0 0;font-size:17px;margin-top:20px}.demo details,.build-detail{margin-top:22px}summary{min-height:44px;cursor:pointer;padding:10px 0;font-size:15px;font-weight:600;color:var(--data)}details p{max-width:78ch;color:var(--ink-2)}.chips{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0}.chips a{border:1px solid var(--rule);border-radius:5px;padding:10px 15px;font-size:14px;text-decoration:none;min-height:44px}.skim{display:grid;grid-template-columns:1fr 1fr 1.3fr;border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);margin-top:30px;padding:24px 0;gap:20px}.skim a{text-decoration:none}.skim strong{display:block;font-size:clamp(20px,2.6vw,30px);letter-spacing:-.03em}.skim span{font-size:13px;color:var(--ink-2)}.timeline{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px}.timeline mark{background:var(--tape);padding:8px 12px;text-align:center;color:var(--ink)}.sim{margin-top:20px}.seg span{min-height:44px}.month-inputs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;margin-top:20px}.pills{display:flex;flex-wrap:wrap;gap:3px;margin-top:7px}.pill{font-size:9px;border:1px solid var(--rule);padding:2px 4px;color:var(--ink-2)}.pill.hit{background:var(--tape);color:var(--ink);border-color:#8A6A00}#demand-chart [data-bar]{cursor:ns-resize;touch-action:none;transition:fill .2s}#demand-chart [data-bar]:focus{outline:3px solid #8A6A00}.cv{font-size:14px;font-weight:600}.proportions{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin:35px 0}.proportions strong{font-size:56px}.proportions p{margin:0}.build-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.build-grid p{border-top:1px solid var(--rule);padding-top:20px}.build-grid strong{display:block;margin-bottom:8px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:35px}.contact-links{display:flex;flex-direction:column;justify-content:center;gap:18px;min-width:0}.contact-links a{color:var(--paper);overflow-wrap:anywhere;min-height:44px}.contact-links p{margin:0}.top nav a{display:inline-flex;align-items:center;min-height:44px}.chart{max-width:100%;overflow:hidden}svg text{fill:var(--ink-2)}button,a,input,select{transition:background-color .2s,color .2s}input[type=number]{min-width:0}#push-chart circle{transition:fill .2s}.sim-head h3{font-size:17px;margin:0}main,section,article,figure,form{min-width:0}@media(max-width:700px){.store-inputs,.month-inputs{grid-template-columns:repeat(3,minmax(0,1fr))}.push-visual{grid-template-columns:1fr}.dc-gauge{max-width:260px}.story-lines>div{grid-template-columns:1fr;gap:3px}.demo{padding:16px}.skim{grid-template-columns:1fr;gap:20px}.skim a{display:flex;align-items:center;justify-content:space-between;gap:12px}.skim strong{font-size:24px}.skim span{text-align:right}.build-grid,.contact{grid-template-columns:1fr}.proportions{gap:24px}.top{align-items:center}.top nav ul{gap:18px}.timeline{font-size:12px}.presets button{flex-grow:1}#demand-chart{min-height:175px}.story{padding-top:30px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}