/* One economy: a reading surface with an open numerical workbench. */
:root{--paper:#fff;--white:#fff;--ink:#20242b;--muted:#59636e;--blue:#2357a4;--copper:#a85b2a;--line:#dce1e6;--pale:#f4f6f8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 var(--font-ui)}
a{color:var(--blue);text-underline-offset:4px}a:hover{color:var(--ink)}
button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit}
.wrap{width:min(1080px,calc(100% - 72px));margin-inline:auto}
.skip{position:absolute;top:-90px;left:20px;background:var(--ink);color:white;padding:12px;z-index:50}.skip:focus{top:8px}
.masthead{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:22px;border-bottom:1px solid var(--line)}
.wordmark{font-size:18px;font-weight:600;line-height:1.35;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}.wordmark em{font-style:normal;color:var(--ink)}
.masthead nav{display:flex;gap:20px;align-items:center;font-size:18px}.nav-divider{color:var(--line)}
h1,h2,h3{font-family:inherit;font-weight:600;letter-spacing:-.025em;line-height:1.2}
h1{font-size:var(--type-h1);margin:15px 0 18px}h2{font-size:var(--type-h2);margin:0}h3{font-size:var(--type-h3);margin:0}
p{margin:0 0 18px}.hero{padding-block:42px 36px}.hero>p{font-size:var(--type-lead);color:var(--muted);max-width:68ch;margin:0}
.eyebrow{font-size:18px;letter-spacing:.025em;font-weight:500;color:var(--muted)}.eyebrow span{padding-inline:12px;color:#8b939c}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:25px;margin-bottom:28px}.section-heading>span{font-size:18px;color:var(--muted)}
.economy{border-top:1px solid var(--line);padding-top:34px}
.inputs{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;align-items:start;margin-bottom:34px}
.inputs>*,.parameters>*,.moments>*,.rules>*,.step-heading>*{min-width:0}
label{display:block;font-size:18px;font-weight:600;margin-bottom:9px}
select{width:100%;max-width:100%;min-height:44px;border:1px solid #b9c2cc;border-radius:2px;background:var(--white);color:var(--ink);padding:10px 12px;font-size:18px}
.microcopy{font-size:var(--type-note);line-height:1.65;color:var(--muted);margin:12px 0 0;max-width:75ch}
.parameters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 30px;margin:0;padding-top:0}
.parameters>div{padding-top:10px;border-top:1px solid var(--line)}.parameters dt{font-size:var(--type-label);color:var(--muted)}
.parameters dd{font-size:var(--type-value);line-height:1.35;font-weight:500;margin:5px 0 3px;color:var(--ink);font-variant-numeric:tabular-nums}
.parameters small{font-size:18px;color:var(--muted);display:block}
.path-label{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:5px 15px;margin-top:22px}.path-label label{margin:0}
.path-label output{font-size:24px;line-height:1.3;color:var(--blue);font-variant-numeric:tabular-nums}
input[type=range]{display:block;width:100%;height:28px;accent-color:var(--blue);margin:9px 0 4px;cursor:pointer}
.range-labels{display:flex;justify-content:space-between;gap:10px;font-size:18px;color:var(--muted);font-variant-numeric:tabular-nums}.range-labels>span{min-width:0}.range-labels>span:nth-child(2){text-align:center}
.rule-heading{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;align-items:baseline;margin-bottom:12px}.rule-heading>span{font-size:22px;line-height:1.3;color:var(--copper);font-variant-numeric:tabular-nums}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rules button{text-align:left;background:transparent;border:0;border-top:2px solid var(--line);padding:15px 0;display:grid;grid-template-columns:auto 1fr;column-gap:12px;align-items:baseline;transition:border-color .12s}
.rules button[aria-pressed=true]{border-top-color:var(--blue)}.rules button:hover{border-top-color:var(--blue)}
.rule-number{font-size:18px;color:var(--muted);font-variant-numeric:tabular-nums}.rules button[aria-pressed=true] .rule-number,.rules button[aria-pressed=true] strong{color:var(--blue)}
.rules strong{font-size:18px;font-weight:600}.rules small{grid-column:2;font-size:18px;color:var(--muted);line-height:1.55;margin-top:5px}
.solution{border:0;background:transparent;margin-top:34px;padding:0 0 22px}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;border-bottom:1px solid var(--line);padding-top:14px}
.steps button{border:0;border-bottom:2px solid transparent;margin-bottom:-1px;background:transparent;text-align:left;padding:0 0 15px;font-size:18px;color:var(--muted);min-height:62px}
.steps span{display:block;font-size:18px;line-height:1.4;margin-bottom:5px;color:var(--muted);font-variant-numeric:tabular-nums}
.steps button[aria-pressed=true]{border-bottom-color:var(--blue);color:var(--blue);font-weight:600}.steps button[aria-pressed=true] span{color:var(--blue)}
.step-heading{display:flex;justify-content:space-between;align-items:baseline;gap:35px;margin-block:30px 18px}.step-heading h2{font-size:var(--type-h2);flex:0 0 auto}.step-heading p{font-size:18px;line-height:1.65;color:var(--muted);margin:0;max-width:57ch}
figure{margin:0}picture{display:block}figure img{display:block;width:100%;height:auto}figcaption{font-size:18px;line-height:1.65;color:var(--muted);margin-top:16px;max-width:85ch}
.asset-status{font-size:18px;color:var(--muted);margin:14px 0 0}.asset-status:empty{display:none}
.moments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;border-top:1px solid var(--line);padding-top:21px;margin:28px 0 0}.moments dt{font-size:var(--type-label);color:var(--muted)}.moments dd{font-size:var(--type-value);line-height:1.3;font-weight:500;margin:7px 0 0;color:var(--ink);font-variant-numeric:tabular-nums}
.solution-foot{display:flex;gap:24px;justify-content:space-between;align-items:baseline;font-size:18px;color:var(--muted);margin-top:22px}.solution-foot>span{max-width:75ch}.solution-foot button{background:none;border:0;color:var(--blue);text-decoration:underline;text-underline-offset:4px;padding:0;white-space:nowrap}
.comparison{padding-block:30px}.comparison .section-heading{margin-bottom:20px}.table-wrap{min-width:0;max-width:100%;overflow-x:auto}
table{border-collapse:collapse;width:100%;border-block:1px solid var(--ink);font-size:18px;font-variant-numeric:tabular-nums;text-align:right}th,td{padding:14px 10px;border-bottom:1px solid var(--line)}thead th{font-size:18px;color:var(--muted);font-weight:600;white-space:nowrap}th:first-child{text-align:left}tbody th{font-weight:500;white-space:nowrap}tbody tr:last-child>*{border-bottom:0}tbody tr.is-active{background:#f1f5fa}
.notes{border-top:1px solid var(--line);padding-block:28px 36px;display:flex;gap:40px;justify-content:space-between;align-items:start}
details{max-width:750px;font-size:18px}summary{color:var(--blue);font-size:18px;cursor:pointer}details>div{padding-top:18px}details p{margin-bottom:14px;color:var(--muted)}
.downloads{display:flex;gap:20px;flex-wrap:wrap;font-size:18px;flex:0 0 auto;padding-top:3px}
.interpretation-points{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:16px;color:var(--muted);font-size:18px;line-height:1.65}.interpretation-points li{padding-left:16px;border-left:2px solid var(--line)}.interpretation-points strong{color:var(--ink);font-weight:600}
.contract-link{display:flex;justify-content:space-between;gap:25px;border-block:1px solid var(--line);padding:14px 0;font-size:18px;font-weight:600;text-decoration:none}.contract-link:hover{border-color:var(--blue)}
footer{padding-block:23px 32px;border-top:1px solid var(--line);display:flex;gap:25px;justify-content:space-between;font-size:18px;color:var(--muted)}.noscript{font-size:18px;padding-bottom:24px}
:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}
@media(max-width:960px){
  .inputs{gap:30px;grid-template-columns:1fr 1.1fr}.rules{gap:18px}.rules button{column-gap:9px}.notes{flex-direction:column;gap:24px}.step-heading{align-items:start}.section-heading>span{max-width:230px;text-align:right}
}
@media(max-width:700px){
  .wrap{width:calc(100% - 40px)}.masthead{flex-direction:column;align-items:start;gap:16px;padding-block:19px}.masthead nav{flex-wrap:wrap;gap:10px 17px}.wordmark{font-size:18px}
  .hero{padding-block:30px}.hero h1{font-size:var(--type-h1);margin-block:14px 16px}.hero>p{font-size:var(--type-lead);max-width:38ch}h2{font-size:var(--type-h2)}
  .section-heading{flex-direction:column;gap:12px;align-items:start}.section-heading>span{max-width:none;text-align:left;font-size:18px}
  .inputs{grid-template-columns:minmax(0,1fr);gap:27px;margin-bottom:30px}.parameters{gap:18px 20px}.parameters dd{font-size:var(--type-value)}.rule-heading h3{font-size:var(--type-h3)}.rule-heading>span{font-size:20px}
  .rules{grid-template-columns:1fr;gap:0}.rules button{padding:14px 0}.rules strong{font-size:18px}.rules small{font-size:18px}.microcopy{font-size:var(--type-note)}
  .solution{padding-bottom:20px;margin-top:28px}.steps{gap:10px;padding-top:13px}.steps button{font-size:18px;padding-bottom:13px;min-height:60px}.steps span{font-size:18px}
  .step-heading{flex-direction:column;gap:12px;margin-block:26px 17px}.step-heading h2{font-size:var(--type-h2)}.step-heading p{font-size:18px;max-width:none}figcaption{font-size:18px}
  .moments{grid-template-columns:minmax(0,1fr);gap:0;padding-top:3px;margin-top:24px}.moments>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line)}.moments>div:last-child{border:0}.moments dt{font-size:var(--type-label)}.moments dd{font-size:var(--type-value);margin:0}
  .solution-foot{flex-wrap:wrap;align-items:start;gap:12px;font-size:18px}.comparison{padding-block:26px}
  .comparison table,.comparison tbody{display:block;border:0}.comparison thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.comparison tbody{display:grid;gap:22px}.comparison tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px;border-top:1px solid var(--line);padding:16px 0;background:transparent}.comparison tr.is-active{border-top:2px solid var(--blue);background:transparent}.comparison tbody th{grid-column:1/-1;font-size:18px;border:0;padding:0 0 3px;white-space:normal}.comparison td{border:0;padding:0;display:flex;flex-direction:column;text-align:left;font-size:18px;line-height:1.5}.comparison td:before{content:attr(data-label);font-size:18px;color:var(--muted);margin-bottom:4px}
  .downloads{gap:16px;font-size:18px}.notes{padding-block:24px 30px}.interpretation-points,.contract-link{font-size:18px}footer{flex-direction:column;gap:12px;font-size:18px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rules button{transition:none}}