.ch{--green:#214a39;--rust:#a34f32;--soft:#e8e9df;color:var(--ink);font:18px/1.7 var(--sans)}
.ch-wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.ch a{text-underline-offset:4px}.ch a:hover{text-decoration-thickness:2px}.ch-back{font-size:14px;color:var(--muted)}.ch-hero{padding-top:36px}.ch-kicker{font:11px/1.5 var(--mono);letter-spacing:.075em;text-transform:uppercase;color:var(--muted)}.ch-hero>.ch-kicker{display:flex;gap:20px;margin:24px 0 18px}.ch h1{font:normal clamp(42px,5.4vw,72px)/1.02 var(--serif);letter-spacing:-.045em;max-width:1000px;margin:0 0 24px}.ch em{font-weight:normal;color:var(--green)}.ch-opening{display:grid;grid-template-columns:minmax(0,780px) 230px;gap:65px;align-items:start}.ch-opening p{margin:0 0 15px;font-size:17px;line-height:1.62}.ch-opening .ch-lead{font-size:20px;line-height:1.55;letter-spacing:-.015em}.ch-try{border-left:2px solid var(--green);padding-left:20px;margin-top:4px}.ch-try .ch-kicker{font-size:10px}.ch-try p{font:23px/1.2 var(--serif);margin:10px 0 14px}.ch-try a{display:block;font-size:12px;line-height:1.5;margin:9px 0;color:var(--green)}.ch-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font:11px/1.5 var(--mono);color:var(--muted);margin:15px 0 24px}.ch-meta span+span::before{content:'·';margin-right:20px;color:var(--rule-2)}
.ch-results{margin:0;padding:28px 32px 22px;border:1px solid var(--rule-2);background:rgba(255,253,248,.7);border-radius:4px}.ch-figure-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.ch-figure-head p{margin:0 0 7px}.ch h2{font:normal 44px/1.1 var(--serif);letter-spacing:-.025em;margin:0 0 22px}.ch-figure-head h2{font-size:29px;letter-spacing:-.02em;margin:0}.ch-unit-note{font:12px/1.5 var(--sans);color:var(--muted);text-align:right}.ch-outcome-row{display:grid;grid-template-columns:225px minmax(0,1fr) 110px;align-items:center;gap:28px;padding:22px 0;border-top:1px solid var(--rule)}.ch-row-heading a{font-weight:650;font-size:17px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule-2)}.ch-row-heading a span{font-weight:400}.ch-row-heading>span{display:block;font-size:12px;line-height:1.4;color:var(--muted);margin-top:6px}.ch-squares{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px}.ch-square{aspect-ratio:1;display:grid;place-items:center;min-width:0;border:1.5px solid #aab5ab;background:#f6f6ef;border-radius:3px;padding:0;cursor:pointer;color:#87968d;font:24px/1 var(--sans);transition:transform .18s,box-shadow .18s}.ch-square.used{background:var(--rust);border-color:var(--rust);color:#fffaf3}.ch-square:hover{transform:translateY(-3px);box-shadow:0 3px 0 var(--rule)}.ch-square[aria-pressed=true]{outline:2px solid var(--ink);outline-offset:4px}.ch-rate{font:normal 62px/.95 var(--serif);letter-spacing:-.06em;text-align:right;color:var(--rust)}.ch-rate span{font-size:.65em;margin-left:2px}.agreement .ch-rate{color:var(--green)}.ch-legend{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:11px;color:var(--muted);margin:16px 0}.ch-legend>span{display:flex;align-items:center;gap:8px}.ch-legend i{width:10px;height:10px;background:#f6f6ef;border:1px solid #aab5ab;border-radius:1px}.ch-legend i.used{background:var(--rust);border-color:var(--rust)}.ch-run-detail{padding:12px 15px;background:#edece4;font-size:13px;line-height:1.5;min-height:44px}.ch-run-detail a{color:var(--green);font-weight:550}.ch-results figcaption{font-size:12px;line-height:1.6;color:var(--muted);margin-top:15px}.ch-results figcaption a{color:var(--green)}
.ch-map{position:sticky;top:var(--head-h);z-index:20;display:flex;align-items:center;gap:24px;margin-top:36px;padding:13px 18px;background:rgba(245,242,235,.96);border:1px solid var(--rule-2);border-radius:4px;box-shadow:0 8px 20px #231f1710;backdrop-filter:blur(12px);font-size:13px}.ch-map>span{font:10px var(--mono);letter-spacing:.06em;white-space:nowrap;padding-right:22px;border-right:1px solid var(--rule)}.ch-map>div{display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin}.ch-map a{display:block;white-space:nowrap;color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:3px}.ch-map a[aria-current=true]{background:#e1e9df;color:var(--green);font-weight:600}.ch-section{display:grid;grid-template-columns:160px minmax(0,1fr);gap:46px;padding:74px 0;border-bottom:1px solid var(--rule)}.ch-section>aside{font:11px/1.7 var(--mono);letter-spacing:.025em;color:var(--muted);padding-top:9px}.ch-copy{max-width:800px}.ch-copy>p{margin:0 0 20px}.ch-copy a{color:var(--green)}.ch-pull{margin:30px 0;padding:6px 0 6px 24px;border-left:2px solid var(--green);font:italic 29px/1.3 var(--serif);letter-spacing:-.015em;color:var(--green)}.ch-choice{display:grid;grid-template-columns:1fr 1fr;margin:30px 0;border:1px solid var(--rule-2);border-radius:4px;overflow:hidden}.ch-choice>div{padding:24px;background:#eeeee4}.ch-choice>div+div{border-left:1px solid var(--rule-2);background:#f1e7dc}.ch-choice strong{display:block;font:27px/1.2 var(--serif);margin:9px 0}.ch-choice p{font-size:15px;line-height:1.6;margin:0}.ch-small{font-size:13px!important;line-height:1.7!important;color:var(--muted)}.ch-quote{margin:28px 0;border-left:2px solid var(--green);background:#eaeee5;padding:24px 28px}.ch-quote blockquote{margin:14px 0 16px;font:25px/1.4 var(--serif);letter-spacing:-.01em}.ch-quote figcaption{font-size:12px;line-height:1.6;color:var(--muted)}.ch-rust{border-color:var(--rust);background:#f0e9df}.ch-text-link{font-weight:600;font-size:15px}.ch-details{border-top:1px solid var(--rule-2);margin:25px 0}.ch-details>summary{position:relative;cursor:pointer;padding:20px 0;font-size:16px;line-height:1.5;font-weight:600}.ch-details summary>span{float:right;font:11px/2 var(--mono);color:var(--muted)}.ch-details p{font-size:15px;line-height:1.7}.ch pre{font:15px/1.85 var(--sans);white-space:pre-wrap;overflow-wrap:anywhere;background:#eae9e0;border:1px solid var(--rule);padding:24px;margin:0 0 17px;border-radius:3px}.ch-prompt pre{font-size:18px;line-height:1.8;background:#f9f7f0}.ch-prompt-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:13px}.ch-button{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fffdf6!important;border:1px solid var(--green);border-radius:3px;padding:12px 18px;text-decoration:none;cursor:pointer;font:600 13px/1.4 var(--sans);min-height:44px}.ch-button:hover{background:#153b2c}.ch-cta{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:26px 28px;margin:38px 0 0;background:#e7ebdf;border:1px solid #b7c5b3;border-radius:4px}.ch-cta h3{font:29px/1.15 var(--serif);letter-spacing:-.02em;margin:10px 0}.ch-cta p{font-size:14px;line-height:1.5;margin:0;max-width:410px}.ch-cta-links{display:flex;flex-direction:column;gap:12px;align-items:flex-start;font-size:13px}.ch-cta-links a:not(.ch-button){margin-left:1px}.ch-cta-end{background:var(--green);color:#fffaf2;border-color:var(--green);margin-top:35px}.ch-cta-end .ch-kicker{color:#c2d0bb}.ch-cta-end a{color:#fffaf2}.ch-cta-end .ch-button{background:#ecf0de;color:var(--green)!important;border-color:#ecf0de}.ch-uncertainty{display:grid;grid-template-columns:200px 1fr;gap:25px;border-block:1px solid var(--rule-2);padding:25px 0;margin:30px 0}.ch-uncertainty>div>span,.ch-uncertainty>div>strong{display:block}.ch-uncertainty strong{font-weight:600}.ch-uncertainty>div>strong{font:37px/1.2 var(--serif);letter-spacing:-.025em;margin:10px 0;color:var(--green)}.ch-uncertainty>div>span:last-child{font-size:12px;color:var(--muted)}.ch-uncertainty p{margin:0;font-size:15px;line-height:1.75}.ch-methods{font-size:14px;line-height:1.65}.ch-methods>div{display:grid;grid-template-columns:125px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--rule)}.ch-methods dt{font-weight:600}.ch-methods dd{margin:0}.ch-table-wrap{overflow-x:auto}.ch table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}.ch th,.ch td{padding:10px 12px;border-bottom:1px solid var(--rule)}.ch th{font-size:11px;text-transform:uppercase;letter-spacing:.04em}.ch caption{text-align:left;font-size:12px;margin-bottom:10px;color:var(--muted)}.ch-downloads{display:flex;gap:12px 20px;flex-wrap:wrap;margin-top:22px;font-size:13px}.ch-next{margin-top:28px!important}.ch-sources{margin-top:30px!important}.ch [id]{scroll-margin-top:calc(var(--head-h) + 100px)}.ch button:focus-visible,.ch a:focus-visible,.ch summary:focus-visible{outline:2px solid #1e40af;outline-offset:5px}
@media(max-width:1050px){.ch-wrap{width:calc(100% - 44px)}.ch-opening{grid-template-columns:minmax(0,1fr) 205px;gap:30px}.ch-section{grid-template-columns:120px minmax(0,1fr);gap:25px}.ch-outcome-row{grid-template-columns:190px minmax(0,1fr) 80px;gap:18px}.ch-rate{font-size:52px}.ch-squares{gap:5px}.ch-map{gap:12px}.ch-map a{padding-inline:8px}.ch-map>span{padding-right:12px}.ch-cta{grid-template-columns:1fr}.ch-cta-links{flex-direction:row;align-items:center;flex-wrap:wrap}}
@media(max-width:700px){.ch{font-size:17px}.ch-wrap{width:calc(100% - 36px)}.ch-hero{padding-top:24px}.ch-hero>.ch-kicker{font-size:9px;gap:12px;margin:20px 0 15px}.ch h1{font-size:43px;line-height:1.06;margin-bottom:20px}.ch h1 br{display:none}.ch-opening{display:block}.ch-opening .ch-lead{font-size:19px;line-height:1.55}.ch-opening p{font-size:16px;line-height:1.65}.ch-try{border:0;padding:0;margin:15px 0 20px;display:flex;flex-wrap:wrap;gap:6px 18px}.ch-try .ch-kicker,.ch-try p{display:none}.ch-try a{margin:0;font-size:12px}.ch-meta{gap:5px 10px;font-size:9px;margin:17px 0}.ch-meta span+span::before{margin-right:9px}.ch-results{padding:20px 17px 17px}.ch-figure-head{display:block;margin-bottom:18px}.ch-figure-head h2{font-size:25px;line-height:1.15}.ch-unit-note{display:block;text-align:left;font-size:11px;margin-top:10px}.ch-unit-note br{display:none}.ch-outcome-row{grid-template-columns:1fr 80px;gap:16px 8px;padding:20px 0}.ch-row-heading a{font-size:16px}.ch-row-heading>span{font-size:11px}.ch-rate{grid-column:2;grid-row:1;font-size:48px}.ch-squares{grid-column:1/-1;grid-row:2;gap:6px}.ch-square{font-size:20px}.ch-legend{gap:7px 14px;font-size:10px;margin-top:4px}.ch-run-detail{font-size:12px;padding:11px}.ch-results figcaption{font-size:11px}.ch-map{padding:8px 7px;gap:0;margin-top:25px;width:calc(100% - 20px)}.ch-map>span{display:none}.ch-map a{font-size:11px;padding:9px}.ch-map>div{width:100%}.ch-section{display:block;padding:48px 0}.ch-section>aside{font-size:10px;margin-bottom:20px;padding:0}.ch h2{font-size:35px;line-height:1.12;margin-bottom:20px}.ch-copy>p{margin-bottom:18px}.ch-pull{font-size:26px;padding-left:19px}.ch-choice{grid-template-columns:1fr}.ch-choice>div{padding:20px}.ch-choice>div+div{border-left:0;border-top:1px solid var(--rule-2)}.ch-choice strong{font-size:26px}.ch-quote{padding:20px}.ch-quote blockquote{font-size:23px}.ch-details>summary{font-size:15px;padding:18px 0}.ch-details summary>span{float:none;display:block;margin:5px 0 0}.ch pre{padding:18px;font-size:14px}.ch-prompt pre{font-size:16px;line-height:1.8}.ch-cta{padding:22px;gap:20px}.ch-cta h3{font-size:28px}.ch-cta-links{gap:14px}.ch-uncertainty{grid-template-columns:1fr;gap:18px;padding:23px 0}.ch-uncertainty>div>strong{font-size:39px}.ch-methods>div{grid-template-columns:1fr;gap:4px}.ch th,.ch td{padding:9px 6px;font-size:12px}.ch-small{font-size:12px!important}.ch [id]{scroll-margin-top:calc(var(--head-h) + 85px)}}
@media(prefers-reduced-motion:reduce){.ch *{scroll-behavior:auto!important;transition:none!important}.ch-square:hover{transform:none}}
.ch h1{font-size:clamp(40px,4.7vw,63px);max-width:1160px}.ch-bar-row{display:grid;grid-template-columns:255px minmax(0,1fr) 85px;gap:24px;align-items:center;margin:25px 0}.ch-bar-heading a{font-weight:650;font-size:16px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule-2)}.ch-bar-heading>span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.ch-track{height:23px;position:relative;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(25% - 1px),#cfcbbb calc(25% - 1px),#cfcbbb 25%),#eeebe2}.ch-fill{position:absolute;height:100%;background:var(--rust);left:0;top:0}.historical .ch-fill{background:#787974}.agreement .ch-fill{background:var(--green)}.ch-fill.ch-zero{width:5px!important;height:29px;top:-3px;border-radius:1px}.ch-bar-row>strong{font:normal 42px/1 var(--serif);text-align:right;color:var(--rust)}.historical>strong{color:#646660}.agreement>strong{color:var(--green)}.ch-chart-divider{font:10px/1.5 var(--mono);color:var(--muted);border-top:1px dashed var(--rule-2);padding-top:16px;margin:24px 0 0;letter-spacing:.04em}.ch-axis{display:flex;justify-content:space-between;margin:0 109px 12px 279px;font:10px/1.4 var(--mono);color:var(--muted)}
@media(max-width:700px){.ch h1{font-size:41px}.ch-bar-row{grid-template-columns:minmax(0,1fr) 65px;gap:10px;margin:22px 0}.ch-bar-heading{grid-column:1;grid-row:1}.ch-bar-row>strong{grid-column:2;grid-row:1;font-size:38px}.ch-track{grid-column:1/-1;grid-row:2;height:19px}.ch-bar-heading a{font-size:14px}.ch-bar-heading>span{font-size:11px}.ch-axis{margin:0 0 10px}.ch-chart-divider{font-size:9px}.ch-fill.ch-zero{height:25px}}
.ch h1 em{display:block}.ch h1 br{display:none}.ch .ch-figure-head h2{font-size:29px;max-width:none}
@media(max-width:700px){.ch .ch-figure-head h2{font-size:26px}}
.ch .ch-related{display:grid;grid-template-columns:180px minmax(0,1fr) auto;align-items:center;gap:22px;border:1px solid #b7c5b3;border-left:3px solid var(--green);background:#e7ebdf;border-radius:4px;padding:20px 24px;margin-top:30px}.ch-related>span{font:10px/1.5 var(--mono);letter-spacing:.05em;color:var(--green)}.ch-related p{font-size:14px;line-height:1.6;margin:0}.ch-related>a{color:var(--green);font-weight:650;font-size:13px;white-space:nowrap}.ch-related+.ch-map{margin-top:18px}
@media(max-width:900px){.ch .ch-related{grid-template-columns:1fr;gap:9px;padding:18px 20px}.ch-related>a{white-space:normal}.ch h1{font-size:clamp(37px,5.4vw,53px)}}
.ch .ch-cta-end{grid-template-columns:1fr;gap:23px}.ch .ch-cta-end>.ch-cta-links{flex-direction:row;flex-wrap:wrap;gap:12px}.ch .ch-cta-end .ch-button{font-size:15px;padding:14px 20px}.ch .ch-cta-end .ch-button-outline{background:transparent;color:#fffaf2!important;border-color:#b7c5b3}.ch .ch-cta-end .ch-cta-conversation{max-width:none;border-top:1px solid #628271;padding-top:18px;font-size:13px;line-height:1.7}.ch-cta-conversation a{font-weight:600;white-space:nowrap}