/* REDESIGN 3.1: case portfolio only. V3.0.1 remains the base design. */
.cp31{position:relative;overflow-anchor:none;padding-block:88px;background:var(--paper)}
.cp31-legacy-anchor{position:absolute;top:0;scroll-margin-top:85px}
.cp31-case{scroll-margin-top:90px}
.cp31-plot .cp31-bar-row{display:grid;grid-template-columns:130px minmax(0,1fr) 24px;align-items:center;gap:18px;margin:23px 0;font-size:14px}
.cp31-bar-row svg{display:block;width:100%;height:27px;stroke:none}
.cp31-bar-row b{font-weight:400;text-align:right}
@media(max-width:480px){.cp31-plot .cp31-bar-row{grid-template-columns:106px minmax(0,1fr) 19px;gap:10px;font-size:12px;margin:21px 0}.cp31-bar-row svg{height:22px}}
.cp31 .cp31-head{display:grid;grid-template-columns:1.6fr 1fr;gap:64px;align-items:end;margin-bottom:38px}
.cp31 h2{font-size:clamp(34px,4.3vw,62px);letter-spacing:-.045em;max-width:760px;line-height:1.08}
.cp31 h2 em{color:var(--blue)}.cp31-head>p{font-size:14px;color:var(--muted);max-width:370px;padding-bottom:5px}
.cp31-topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;font-size:11px;color:var(--muted)}
.cp31-controls{display:flex;align-items:center;gap:16px}.cp31-controls button{width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:50%;display:grid;place-items:center}
.cp31-controls button:hover{background:var(--ink);color:white}.cp31-controls output{font-variant-numeric:tabular-nums;color:var(--ink);min-width:54px;text-align:center}
.cp31-overview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}
.cp31-card{min-width:0;display:flex;flex-direction:column;align-items:start;padding:23px 22px;background:white;border:1px solid var(--line);border-radius:4px;min-height:205px;position:relative;transition:border-color .15s,background .15s}
.cp31-card:hover{border-color:var(--blue)}.cp31-card[aria-current=true]{border-color:var(--blue);background:var(--pale)}
.cp31-card .cp31-number{font-size:10px;letter-spacing:.12em;color:var(--muted);margin-bottom:12px}
.cp31-card strong{font-size:16px;line-height:1.2;font-weight:500;overflow-wrap:anywhere}.cp31-card small{font-size:10px;color:var(--muted);line-height:1.45;min-height:32px;margin-top:7px}
.cp31-card b{font-size:29px;font-weight:500;letter-spacing:-.035em;color:var(--blue);line-height:1.15;margin-top:auto;padding-top:16px}.cp31-card .cp31-card-unit{font-size:10px;margin-top:5px}
.cp31-ready .cp31-overview:not(.cp31-all){display:flex;overflow-x:auto;scroll-snap-type:x proximity;padding:4px 2px 14px;margin:0 -2px 8px;scrollbar-width:thin;scrollbar-color:#bec9ed transparent}
.cp31-ready .cp31-overview:not(.cp31-all) .cp31-card{flex:0 0 calc((100% - 36px)/4);scroll-snap-align:start}
.cp31-index-footer{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px;gap:20px}.cp31-all-toggle{border:0;border-bottom:1px solid var(--ink);background:transparent;padding:8px 0;font-size:11px}
.cp31-index-note{font-size:10px;color:var(--muted)}.cp31-case{border-top:2px solid var(--ink);margin-top:34px;padding-top:28px;padding-bottom:20px}
.cp31-stage>.cp31-case:first-child{margin-top:0}.cp31-case-head{display:flex;justify-content:space-between;gap:35px;margin-bottom:25px;align-items:start}
.cp31-case h3{font-size:clamp(26px,3vw,42px);letter-spacing:-.035em;line-height:1.13;max-width:800px}.cp31-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:11px}
.cp31-domain{font-size:12px;color:var(--muted);margin-top:12px;overflow-wrap:anywhere;white-space:nowrap}
.cp31-feature{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}.cp31-problem{font-size:17px;line-height:1.6;max-width:520px;margin-bottom:25px}
.cp31-label{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:9px}
.cp31-metrics{display:flex;gap:32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:22px;margin-bottom:15px}
.cp31-metric{flex:1;min-width:0}.cp31-metric b{display:block;font-size:clamp(30px,3vw,45px);letter-spacing:-.045em;color:var(--blue);font-weight:500;line-height:1.2;white-space:nowrap}
.cp31-metric span{font-size:11px;display:block;line-height:1.5;margin-top:5px;max-width:205px}
.cp31-fine{color:var(--muted);font-size:10px;line-height:1.6}.cp31-work{margin-top:22px}.cp31-work ul{list-style:none;margin:0;padding:0;counter-reset:works}
.cp31-work li{font-size:12px;line-height:1.7;padding-left:24px;margin:8px 0;position:relative}.cp31-work li:before{content:'—';position:absolute;left:0;color:var(--blue)}
.cp31-proof{padding:27px 30px 24px;background:#fff;border:1px solid var(--line);border-radius:4px;min-width:0}
.cp31-proof-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px;font-size:12px}.cp31-proof-header span{font-size:10px;color:var(--muted)}
.cp31-plot{width:100%;height:auto;display:block;stroke:none;fill:var(--ink);overflow:visible}.cp31-plot text{font:13px Geometria,Arial,sans-serif;fill:var(--ink)}
.cp31-proof .cp31-fine{margin-top:12px}.cp31-example-query{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;border-top:1px solid var(--line);margin-top:22px;padding-top:19px;font-size:12px;line-height:1.6}
.cp31-example-query b{font-weight:500;font-size:25px;color:var(--blue)}.cp31-source-link{display:inline-flex;gap:10px;align-items:center;font-size:11px;border-bottom:1px solid var(--blue);color:var(--blue);padding-block:10px;margin-top:12px}
.cp31-more{margin-top:25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cp31-more>summary{padding:18px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-size:12px}
.cp31-more>summary::-webkit-details-marker{display:none}.cp31-more>summary svg{transition:transform .15s}.cp31-more[open]>summary svg{transform:rotate(180deg)}
.cp31-details-inner{padding:8px 0 25px;display:grid;grid-template-columns:1fr 1fr;gap:35px}.cp31-detail-copy p{font-size:12px;margin-bottom:15px;color:var(--muted)}
.cp31-detail-copy h4{font-size:17px;margin-bottom:13px}.cp31-source-images{display:grid;gap:18px}.cp31-source-images a{display:block;padding:15px;background:white;border:1px solid var(--line)}
.cp31-source-images img{width:100%;height:auto}.cp31-source-images span{display:block;font-size:11px;margin-top:12px;color:var(--blue)}
.cp31-table-wrap{max-height:350px;overflow:auto;border:1px solid var(--line);background:white;margin-top:20px}.cp31-table{width:100%;border-collapse:collapse;font-size:11px;table-layout:fixed}
.cp31-table th,.cp31-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;overflow-wrap:anywhere;line-height:1.5}.cp31-table th{position:sticky;top:0;background:#eef1f6;font-weight:500}.cp31-table th:last-child,.cp31-table td:last-child{width:74px;text-align:center}
.cp31-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:25px;gap:30px;margin-top:15px}.cp31-bottom p{font-size:12px;color:var(--muted);max-width:560px}.cp31-bottom .button{flex-shrink:0;background:var(--blue);color:white}
.cp31-compact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.cp31-compact-item{background:white;border:1px solid var(--line);border-radius:4px;min-width:0}.cp31-compact-item>summary{cursor:pointer;list-style:none}.cp31-compact-item>summary::-webkit-details-marker{display:none}.cp31-compact-item .cp31-card{border:0;background:transparent;min-height:230px}
.cp31-compact-item[open]{grid-column:1/-1;padding:0 25px 20px}.cp31-compact-item[open]>summary .cp31-card{min-height:0;padding-inline:0;display:block}.cp31-compact-item[open]>summary small{min-height:0}.cp31-compact-item[open]>summary b{display:none}.cp31-compact-item[open]>summary .cp31-card-unit{display:none}
@media(max-width:1100px){.cp31-feature{gap:32px}.cp31-head{gap:35px!important}.cp31-proof{padding:22px}.cp31-ready .cp31-overview:not(.cp31-all) .cp31-card{flex-basis:calc((100% - 24px)/3)}.cp31-overview{grid-template-columns:repeat(3,minmax(0,1fr))}.cp31-metrics{gap:18px}.cp31-case-head{display:block}.cp31-domain{margin-top:13px}}
@media(max-width:760px){.cp31{padding-block:62px}.cp31 .cp31-head{display:block;margin-bottom:25px}.cp31 h2{font-size:40px;max-width:600px}.cp31-head>p{font-size:12px;max-width:500px;margin-top:18px}.cp31-feature{grid-template-columns:1fr;gap:25px}.cp31-case h3{font-size:31px}.cp31-proof{padding:23px}.cp31-problem{font-size:15px;margin-bottom:20px}.cp31-metric b{font-size:37px}.cp31-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.cp31-ready .cp31-overview:not(.cp31-all) .cp31-card{flex-basis:43%}.cp31-details-inner{grid-template-columns:1fr}.cp31-bottom{display:block}.cp31-bottom .button{margin-top:18px}.cp31-compact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.cp31{padding-block:50px}.cp31 h2{font-size:35px;letter-spacing:-.045em}.cp31-topline{font-size:10px;margin-bottom:12px}.cp31-controls{gap:6px}.cp31-controls button{width:36px;height:36px}.cp31-ready .cp31-overview:not(.cp31-all) .cp31-card{flex-basis:78%}.cp31-card{padding:19px;min-height:202px}.cp31-overview.cp31-all{grid-template-columns:1fr 1fr;gap:8px}.cp31-all .cp31-card{padding:13px;min-height:205px}.cp31-all .cp31-card strong{font-size:13px}.cp31-all .cp31-card b{font-size:24px}.cp31-all .cp31-card small{font-size:9px}.cp31-index-note{display:none}.cp31-index-footer{margin-bottom:24px}.cp31-case{padding-top:23px}.cp31-case-head{margin-bottom:20px}.cp31-case h3{font-size:29px}.cp31-domain{white-space:normal;font-size:11px}.cp31-kicker{font-size:9px}.cp31-metrics{padding-block:18px}.cp31-metric b{font-size:33px}.cp31-metric span{font-size:10px}.cp31-fine{font-size:10px}.cp31-proof{padding:20px 17px}.cp31-plot text{font-size:14px}.cp31-source-link{font-size:11px}.cp31-more>summary{font-size:11px;align-items:center}.cp31-compact-grid{grid-template-columns:1fr}.cp31-compact-item .cp31-card{min-height:205px}.cp31-compact-item[open]{padding:0 17px 18px}}
@media(prefers-reduced-motion:reduce){.cp31 *{scroll-behavior:auto!important;transition:none!important}}
/* Final polish: clear units, source graphs, the approved compact catalogue. */
.cp31-result>.cp31-label{margin:0 0 10px;color:var(--blue)}
.cp31-result .cp31-metrics{align-items:center;margin-bottom:10px;padding-block:17px}
.cp31-result .cp31-metric{flex:1.5}.cp31-result .cp31-metric b{font-size:clamp(29px,3vw,43px)}
.cp31-result .cp31-metric span{max-width:260px}
.cp31-snapshot{flex:1;min-width:0;border-left:1px solid var(--line);padding-left:20px;font-size:11px;line-height:1.5}
.cp31-snapshot>span{display:block;color:var(--muted);margin-bottom:5px}.cp31-snapshot strong{font-weight:500}
.cp31-slice-note{font-size:11px;line-height:1.6;margin-top:12px;color:var(--muted)}
.cp31-traffic-note{border-left:2px solid #a9b9f8;padding:10px 0 10px 15px;margin-top:20px;max-width:530px}
.cp31-traffic-note>strong{display:block;font-size:15px;font-weight:500;line-height:1.4;margin-bottom:5px}
.cp31-traffic-note>span{display:block;font-size:11px;line-height:1.6;color:var(--muted)}.cp31-traffic-note b{font-weight:500;color:var(--ink)}
.cp31-charts{border-top:1px solid var(--line);margin-top:32px;padding-top:24px}
.cp31-charts-heading{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:start;margin-bottom:18px}
.cp31-charts-heading h4{font-size:18px;font-weight:500;line-height:1.35}.cp31-charts-heading p{font-size:11px;line-height:1.6;color:var(--muted)}
.cp31-charts .cp31-source-images{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.cp31-source-images a{min-width:0}
.cp31-chart-quality{font-size:11px;line-height:1.6;color:var(--muted);margin-top:12px;max-width:780px}
.cp31-details-inner .cp31-table-wrap{margin-top:0}.cp31-overview.cp31-all{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cp31-overview.cp31-all .cp31-card{min-height:230px;padding:23px 22px}.cp31-all .cp31-card strong{font-size:16px}.cp31-all .cp31-card b{font-size:29px}.cp31-all .cp31-card small{font-size:10px}
@media(max-width:760px){.cp31-ready .cp31-overview:not(.cp31-all){scroll-snap-type:x mandatory}.cp31-ready .cp31-overview:not(.cp31-all) .cp31-card{flex:0 0 100%}.cp31-overview.cp31-all{grid-template-columns:repeat(2,minmax(0,1fr))}.cp31-charts-heading{display:block}.cp31-charts-heading p{margin-top:10px}.cp31-charts .cp31-source-images{grid-template-columns:1fr}.cp31-snapshot{padding-left:15px}}
@media(max-width:480px){.cp31-overview.cp31-all{grid-template-columns:1fr}.cp31-overview.cp31-all .cp31-card{min-height:205px;padding:19px}.cp31-result .cp31-metric b{font-size:30px}.cp31-metrics{gap:12px}.cp31-snapshot{font-size:10px;padding-left:12px}.cp31-charts .cp31-source-images a{padding:10px}.cp31-case h3{font-size:28px}}