:root{
  --paper:#f2efe8;
  --paper-2:#e8e4da;
  --slip:#fffdf7;
  --ink:#121212;
  --ink-2:#3b3b3b;
  --grey:#86857f;
  --rule:#d6d2c7;
  --red:#e3241b;
  --red-dk:#b5160f;
  --sans:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:66px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;
}

code{font-family:var(--mono);font-size:.84em;background:var(--paper-2);padding:.08em .35em}
a{color:var(--red)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:var(--red);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:22px;padding:12px clamp(16px,4vw,48px);background:var(--paper);border-bottom:2px solid var(--ink)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:22px;letter-spacing:-.03em;font-stretch:90%}
.brand-mark{display:inline-block;width:20px;height:20px;background:var(--red);position:relative}
.brand-mark::after{content:"";position:absolute;left:5px;top:5px;width:10px;height:10px;background:var(--paper)}
.nav nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14px;padding:6px 10px;letter-spacing:.01em}
.nav nav a:hover{background:var(--ink);color:var(--paper)}
.nav-price{font-family:var(--mono);font-size:13px;font-weight:700;background:var(--ink);color:var(--paper);padding:6px 10px;white-space:nowrap}

/* hero */
.hero{border-bottom:2px solid var(--ink)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);padding:56px clamp(16px,5vw,64px) 64px;max-width:1360px;margin:0 auto;align-items:start}
.index{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--red);margin:0 0 18px;letter-spacing:.02em}
.hero h1{font-weight:900;font-stretch:72%;font-size:clamp(68px,13vw,184px);line-height:.84;letter-spacing:-.045em;margin:0 0 24px;text-transform:lowercase}
.hero h1 span{color:var(--red)}
.lede{font-size:clamp(18px,1.8vw,21px);max-width:520px;margin:0 0 28px;color:var(--ink-2)}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{font-family:var(--sans);font-weight:700;font-size:15px;padding:13px 20px;border:2px solid var(--ink);text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:none;box-shadow:none}
.btn-red{background:var(--red);color:#fff}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-sm{padding:8px 14px;font-size:13px}

/* receipt */
.receipt{position:relative;background:var(--slip);padding:26px 24px 30px;font-family:var(--mono);font-size:14px;color:var(--ink);box-shadow:0 1px 0 var(--rule),0 18px 40px rgba(0,0,0,.12);
  border-top:6px solid var(--ink)}
.receipt::after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:12px;
  background:linear-gradient(-45deg,transparent 8px,var(--slip) 0) 0 0/16px 12px repeat-x,linear-gradient(45deg,transparent 8px,var(--slip) 0) 0 0/16px 12px repeat-x;filter:drop-shadow(0 4px 3px rgba(0,0,0,.06))}
.hero-receipt{transform:rotate(1.2deg);animation:print 1.1s cubic-bezier(.2,.8,.2,1) both}
@keyframes print{from{clip-path:inset(0 0 100% 0);transform:translateY(-14px) rotate(1.2deg)}to{clip-path:inset(0 0 -20px 0);transform:rotate(1.2deg)}}
.r-head{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center;padding-bottom:12px;margin-bottom:12px;border-bottom:1px dashed var(--grey);font-size:12.5px;color:var(--ink-2)}
.r-head strong{font-size:16px;letter-spacing:.18em;color:var(--ink)}
.r-lines{margin:0;display:grid;gap:6px}
.r-lines div{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.r-lines dt{color:var(--ink-2);min-width:0}
.r-lines dt em{font-style:normal;color:var(--grey);font-size:12px;margin-left:4px}
.r-lines dd{margin:0;text-align:right;font-weight:500;white-space:nowrap}
.r-lines .sub dt{padding-left:14px;color:var(--grey);font-size:12.5px}
.r-lines .sub dd{color:var(--grey);font-size:12.5px}
.r-lines div{border-bottom:1px dotted transparent}
.r-total{display:flex;justify-content:space-between;gap:10px;margin:14px 0 10px;padding:10px 0;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);font-weight:700;font-size:16px}
.r-total span:last-child{color:var(--red)}
.r-big{display:flex;align-items:baseline;gap:8px;justify-content:center;font-weight:700;font-size:clamp(28px,4.6vw,46px);letter-spacing:-.03em;margin:4px 0 14px;color:var(--ink);overflow-wrap:anywhere}
.r-big small{font-size:14px;letter-spacing:.1em;color:var(--red)}
.r-foot{font-size:11.5px;color:var(--grey);text-align:center;margin:12px 0 0}
.formula{font-size:12px;color:var(--ink-2);background:var(--paper);padding:8px 10px;margin:12px 0 0;border-left:3px solid var(--red)}
.barcode{height:38px;margin:16px auto 0;width:78%;background:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 4px,var(--ink) 4px 5px,transparent 5px 9px,var(--ink) 9px 12px,transparent 12px 13px)}
.r-actions{display:flex;justify-content:center;margin-top:14px}
.flash{animation:fl .8s ease}
@keyframes fl{0%{background:rgba(227,36,27,.18)}100%{background:transparent}}

.ticker{border-top:2px solid var(--ink);background:var(--ink);color:var(--paper);overflow:hidden;white-space:nowrap;font-family:var(--mono);font-size:13px;padding:9px 0}
.ticker-track{display:inline-block;padding-left:100%;animation:tick 48s linear infinite}
@keyframes tick{to{transform:translateX(-100%)}}

.status-bar{font-family:var(--mono);font-size:13px;margin:0;padding:10px clamp(16px,5vw,64px);border-bottom:1px solid var(--rule);display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--ink-2);min-height:44px}
.status-bar.err{color:var(--red-dk);background:#fbe9e7}
.status-bar .btn{padding:4px 10px;font-size:12.5px}

/* tools */
section{padding:72px clamp(16px,5vw,64px);border-bottom:2px solid var(--ink)}
section>*{max-width:1300px;margin-left:auto;margin-right:auto}
.alt{background:var(--paper-2)}
.tool-head{display:grid;grid-template-columns:80px minmax(0,1fr);gap:4px 20px;margin-bottom:34px;align-items:baseline}
.tool-head .index{grid-row:span 2;font-size:40px;font-weight:700;letter-spacing:-.04em;margin:0;color:var(--red);font-family:var(--sans)}
.tool-head h2{font-weight:900;font-stretch:80%;font-size:clamp(34px,4.8vw,62px);line-height:.95;margin:0;letter-spacing:-.035em}
.tool-head p{margin:8px 0 0;color:var(--ink-2);max-width:720px}
.tool-body{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:start}
.pad{min-width:0}
.field-label{display:block;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin:18px 0 8px;color:var(--ink)}
.field-label:first-child{margin-top:0}
.big-input{display:flex;align-items:baseline;gap:10px;border-bottom:4px solid var(--ink);padding-bottom:6px}
.big-input input{font-family:var(--sans);font-weight:800;font-stretch:80%;font-size:clamp(48px,8vw,104px);letter-spacing:-.04em;border:0;background:transparent;width:100%;min-width:0;color:var(--ink);padding:0}
.big-input input:focus{outline:none}
.big-input:focus-within{border-color:var(--red)}
.big-input span{font-family:var(--mono);font-size:15px;color:var(--grey)}
.range{width:100%;accent-color:var(--red);margin:16px 0 4px}
.range-out{font-family:var(--mono);font-weight:700}
.keys{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.keys button{font-family:var(--sans);font-weight:700;font-size:14px;text-align:left;padding:12px 12px 10px;border:2px solid var(--ink);background:var(--slip);color:var(--ink);cursor:pointer;display:flex;flex-direction:column;gap:2px;transition:background .12s,color .12s,transform .1s}
.keys button small{font-family:var(--mono);font-weight:400;font-size:11.5px;color:var(--grey)}
.keys button:hover{background:var(--ink);color:var(--paper)}
.keys button:hover small{color:#bbb}
.keys button:active{transform:translateY(1px)}
.keys button.is-on{background:var(--red);border-color:var(--red);color:#fff}
.keys button.is-on small{color:#ffd9d6}
.keys-sm{grid-template-columns:repeat(5,minmax(0,1fr));margin-top:8px}
.keys-sm button{padding:8px 8px;font-size:13px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.plain{width:100%;font-family:var(--mono);font-size:20px;font-weight:700;padding:10px 12px;border:2px solid var(--ink);background:var(--slip);color:var(--ink)}
.plain:focus{outline:none;border-color:var(--red)}
.stepper{display:flex;border:2px solid var(--ink);background:var(--slip)}
.stepper button{width:48px;border:0;background:var(--ink);color:var(--paper);font-size:22px;font-weight:700;cursor:pointer}
.stepper button:hover{background:var(--red)}
.stepper input{flex:1;min-width:0;text-align:center;border:0;font-family:var(--mono);font-size:20px;font-weight:700;background:transparent;padding:10px 0}
.seg{display:flex;border:2px solid var(--ink);width:max-content;max-width:100%}
.seg button{border:0;background:var(--slip);font-family:var(--sans);font-weight:700;font-size:13.5px;padding:9px 14px;cursor:pointer;color:var(--ink)}
.seg button+button{border-left:2px solid var(--ink)}
.seg button.is-on{background:var(--ink);color:var(--paper)}
.fee-chart{width:100%;height:auto;display:block;margin-top:18px;background:var(--slip);border:2px solid var(--ink)}
.fine{font-size:13.5px;color:var(--grey);margin:8px 0 0}

/* table */
.table-wrap{overflow-x:auto;border:2px solid var(--ink);background:var(--slip)}
.costs{width:100%;border-collapse:collapse;font-size:15px;min-width:680px}
.costs th,.costs td{padding:12px 14px;text-align:right;border-bottom:1px solid var(--rule)}
.costs th:first-child,.costs td:first-child{text-align:left}
.costs th:last-child,.costs td:last-child{text-align:left;color:var(--ink-2)}
.costs thead th{background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700}
.costs td{font-family:var(--mono)}
.costs td:first-child{font-family:var(--sans);font-weight:700}
.costs tbody tr:hover{background:#fff4f3}
.costs td.usd{color:var(--red);font-weight:700}

/* converter */
.conv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:2px solid var(--ink)}
.conv-grid label{display:flex;flex-direction:column;padding:18px;background:var(--slip)}
.conv-grid label+label{border-left:2px solid var(--ink)}
.conv-grid span{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.conv-grid input{font-family:var(--sans);font-weight:800;font-stretch:80%;font-size:clamp(26px,3.6vw,42px);border:0;background:transparent;padding:6px 0 0;width:100%;min-width:0;color:var(--ink);letter-spacing:-.03em}
.conv-grid input:focus{outline:none}
.conv-grid label:focus-within{background:#fff4f3}

/* how / uses / notes */
.how-grid{list-style:none;padding:0;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--ink)}
.how-grid li{padding:22px 20px 0 0}
.how-grid li+li{padding-left:20px;border-left:1px solid var(--rule)}
.how-grid b{font-family:var(--mono);color:var(--red);font-size:14px}
.how-grid h3{font-weight:800;font-size:22px;letter-spacing:-.02em;margin:6px 0 6px}
.how-grid p{margin:0;color:var(--ink-2);font-size:15.5px}
.uses{background:var(--ink);color:var(--paper)}
.uses .tool-head h2{color:var(--paper)}
.uses-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;background:#333;border:2px solid #333}
.uses-grid article{background:var(--ink);padding:24px;transition:background .2s}
.uses-grid article:hover{background:#1d1d1d}
.uses-grid h3{font-weight:800;font-size:21px;margin:0 0 6px;letter-spacing:-.02em}
.uses-grid h3::before{content:"■ ";color:var(--red)}
.uses-grid p{margin:0;color:#c8c6bf;font-size:15.5px}
.notes-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,56px)}
.notes-grid h3{font-weight:800;font-size:24px;letter-spacing:-.02em;margin:0 0 8px;padding-top:12px;border-top:4px solid var(--ink)}
.notes-grid h3+p{margin-top:0}
.notes-grid p{color:var(--ink-2);margin:0 0 26px}
.mini{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--slip);border:2px solid var(--ink)}
.mini caption{text-align:left;font-family:var(--mono);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding-bottom:8px}
.mini th,.mini td{padding:9px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.mini th{background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:12px}

.faq-list{max-width:900px;border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:18px 44px 18px 0;font-weight:800;font-size:20px;letter-spacing:-.01em;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:30px;font-weight:400;color:var(--red);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 18px;color:var(--ink-2)}

.honesty{border-bottom:0}
.honesty-box{max-width:980px;border:2px solid var(--red);background:var(--slip);padding:28px clamp(18px,4vw,40px);box-shadow:8px 8px 0 var(--red)}
.honesty-box h2{font-weight:900;font-stretch:80%;font-size:34px;letter-spacing:-.03em;margin:0 0 12px}
.honesty-box ul{margin:0;padding-left:20px;color:var(--ink-2)}
.honesty-box li{margin-bottom:8px}

.foot{background:var(--ink);color:#bdbbb4;text-align:center;padding:46px 16px 56px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:var(--paper);font-weight:800;font-size:22px;letter-spacing:-.03em;margin-bottom:10px}
.foot-brand .brand-mark::after{background:var(--ink)}
.foot p{margin:4px 0;font-size:14.5px}
.foot-small{font-size:13px!important}

@media (max-width:1000px){
  .tool-body,.hero-grid,.notes-grid{grid-template-columns:1fr}
  .how-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .how-grid li:nth-child(3){padding-left:0;border-left:0}
  .uses-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-receipt{max-width:460px}
}
@media (max-width:640px){
  .nav nav{display:none}
  .nav-price{margin-left:auto}
  section{padding:56px 16px}
  .hero-grid{padding:40px 16px 48px}
  .tool-head{grid-template-columns:1fr}
  .tool-head .index{grid-row:auto;font-size:28px}
  .keys{grid-template-columns:repeat(2,minmax(0,1fr))}
  .keys-sm{grid-template-columns:repeat(3,minmax(0,1fr))}
  .row2{grid-template-columns:1fr}
  .conv-grid{grid-template-columns:1fr}
  .conv-grid label+label{border-left:0;border-top:2px solid var(--ink)}
  .how-grid,.uses-grid{grid-template-columns:1fr}
  .how-grid li,.how-grid li+li{padding-left:0;border-left:0}
  .receipt{padding:22px 16px 26px;font-size:13px}
  .seg{width:100%}
  .seg button{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .ticker-track{padding-left:16px}
}
@media print{
  .nav,.hero,.ticker,.status-bar,.how,.uses,.notes,.faq,.honesty,.foot,.convert,#rent,#table,#scenario,.pad{display:none!important}
  body{background:#fff}
  section{border:0;padding:0}
  .tool-body{display:block}
  .receipt{box-shadow:none;max-width:380px;margin:0 auto}
  .r-actions{display:none}
}