.case-navigation { margin:24px 0 28px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.case-navigation nav { display:flex; flex-wrap:wrap; gap:10px 30px; padding:6px 0; }
html[data-audience="dev"] .case-navigation nav[data-copy="dev"] { display:flex!important; }
.case-navigation a { padding:12px 0; font-size:12px; font-weight:800; color:var(--muted); }
.case-navigation a:hover { color:var(--accent); }
.case-opening { display:grid; grid-template-columns:1fr 1.3fr; gap:60px; margin:55px 0 35px; }
.case-section-heading h2, .case-challenge h2, .example-intro h2 { font-size:clamp(27px,3.5vw,38px); line-height:1.12; letter-spacing:-1.2px; margin:12px 0 20px; max-width:700px; text-wrap:balance; }
.case-prose p, .case-direction p:not(.eyebrow), .decision-row p, .case-challenge p:not(.eyebrow) { font-size:14px; line-height:1.85; }
.case-prose p { color:var(--muted); }
.case-prose p:first-child { color:var(--ink); }
.case-principle { border-left:5px solid var(--accent); padding:18px 26px; margin:0 0 46px; background:var(--surface); font:700 clamp(25px,3.2vw,36px)/1.2 var(--display); letter-spacing:-1px; }
.case-section { padding:35px 0; border-top:1px solid var(--line); scroll-margin-top:24px; }
.case-opening, .case-direction, .case-challenge, .ranker-example, .product-gallery { scroll-margin-top:24px; }
.workflow-grid { list-style:none; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); padding:0; margin:26px 0 0; gap:18px; }
.workflow-step { border:1px solid var(--line); border-top:3px solid var(--tone); border-radius:3px; padding:23px 22px; background:var(--surface); display:flex; flex-direction:column; transition:transform .22s,border-color .22s; min-width:0; }
.workflow-step:hover, .workflow-step:focus-within { transform:translateY(-3px); border-color:var(--tone); }
.step-number { font:500 11px/1.5 var(--mono); color:var(--tone); display:block; margin-bottom:15px; }
.workflow-step h3, .architecture-flow h3, .decision-row h3 { font-size:21px; letter-spacing:-.5px; line-height:1.2; margin-bottom:13px; }
.workflow-step p, .architecture-flow p, .evidence-grid p { font-size:13px; line-height:1.85; color:var(--muted); margin-bottom:15px; }
.workflow-screen { display:flex; justify-content:space-between; gap:15px; margin-top:auto; padding:13px 0 0; border-top:1px solid var(--line); font-size:11px; font-weight:800; color:var(--tone); }
.case-direction { display:grid; grid-template-columns:1fr 1fr; gap:40px; border-top:1px solid var(--line); padding:30px 0 12px; }
.case-direction p:not(.eyebrow) { margin:11px 0 0; color:var(--muted); }
.architecture-section { border-top:0; }
.architecture-section .stack-list { margin:0 0 25px; }
.architecture-flow { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); list-style:none; padding:0; gap:22px; margin:0; }
.architecture-flow li { padding:20px 17px 12px; background:var(--surface); border:1px solid var(--line); border-top:3px solid var(--accent); position:relative; }
.architecture-flow li:not(:last-child)::after { content:'→'; position:absolute; right:-19px; top:36px; font:18px var(--mono); color:var(--accent); }
.architecture-flow h3 { font-size:18px; }
.architecture-flow p { font-size:12px; }
.decision-row { display:grid; grid-template-columns:1fr 1.4fr; gap:70px; padding:28px 0; border-bottom:1px solid var(--line); }
.decision-row:last-child { border-bottom:0; padding-bottom:0; }
.decision-row > div:first-child { display:grid; grid-template-columns:28px 1fr; gap:15px; align-items:baseline; }
.decision-row h3 { font-size:24px; }
.decision-row p { margin:0 0 15px; }
.decision-tradeoff { color:var(--muted); }
.decision-tradeoff strong { display:block; font:500 10px/1.7 var(--mono); letter-spacing:1px; text-transform:uppercase; color:var(--tone); margin-bottom:5px; }
.case-challenge { margin:10px 0 40px; padding:35px 36px 27px; background:var(--hero); color:white; }
.case-challenge .eyebrow { color:#d5e0ff; }
.case-challenge h2 { max-width:750px; }
.challenge-columns { display:grid; grid-template-columns:1fr 1.3fr; gap:45px; }
.case-challenge .challenge-boundary { color:#dce5ff; border-top:1px solid #ffffff45; padding-top:15px; font-size:12px; }
.evidence-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:30px; margin:26px 0; }
.evidence-grid h3 { font:700 15px/1.4 var(--display); }
.case-disclosure { border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.case-disclosure summary { list-style:none; display:flex; justify-content:space-between; gap:16px; cursor:pointer; padding:18px 0; font-size:12px; font-weight:800; }
.case-disclosure summary::after { content:'+'; color:var(--accent); font:18px/1 var(--mono); }
.case-disclosure[open] summary::after { content:'−'; }
.case-disclosure summary::-webkit-details-marker { display:none; }
.case-disclosure summary:focus-visible { outline:3px solid var(--accent); outline-offset:4px; }
.case-disclosure > div { max-width:790px; padding:0 0 6px; }
.case-disclosure p { font-size:12px; line-height:1.9; color:var(--muted); }
.case-disclosure code { font:11px/1.8 var(--mono); overflow-wrap:anywhere; color:var(--ink); }
.ranker-example { padding:32px; background:var(--soft); margin:5px 0 40px; border:1px solid var(--line); }
.example-intro { max-width:700px; }
.example-intro p:not(.eyebrow) { max-width:650px; font-size:14px; line-height:1.8; color:var(--muted); }
.example-controls { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; margin:24px 0 18px; }
.priority-buttons { display:flex; flex-wrap:wrap; gap:7px; }
.priority-buttons button { min-height:44px; padding:11px 14px; border:1px solid var(--line); background:var(--surface); border-radius:3px; font-size:12px; font-weight:800; }
.priority-buttons button[aria-pressed="true"] { background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }
.priority-buttons button:hover { border-color:var(--accent); }
.route-toggle { display:flex; align-items:center; gap:8px; font-size:11px; min-height:44px; cursor:pointer; }
.route-toggle input { width:17px; height:17px; accent-color:var(--accent); }
.example-announcement { font-size:12px; font-weight:800; line-height:1.6; min-height:38px; margin-bottom:15px; }
.example-results { list-style:none; padding:0; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin:0; }
.example-place { background:var(--surface); border:1px solid var(--line); padding:20px 17px 17px; min-width:0; }
.example-place:first-child { border-top:4px solid var(--accent); padding-top:17px; }
.example-place-top { display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:19px; }
.example-rank { font:11px var(--mono); color:var(--muted); }
.example-score { font:700 29px/1 var(--display); letter-spacing:-1px; color:var(--accent); }
.example-score small { color:var(--muted); font:9px var(--mono); letter-spacing:0; }
.example-place h3 { font-size:18px; letter-spacing:-.4px; margin-bottom:10px; }
.example-facts { font:10px/1.9 var(--mono); color:var(--muted); margin-bottom:20px; }
.factor-list { margin:0; }
.factor-list > div { margin-bottom:9px; }
.factor-list dt { font-size:10px; color:var(--muted); }
.factor-list dd { display:flex; gap:12px; align-items:center; margin:3px 0 0; }
.factor-list meter { flex:1; min-width:0; width:100%; height:6px; background:var(--soft); border:0; border-radius:0; }
.factor-list meter::-webkit-meter-bar { background:var(--soft); border:0; border-radius:0; }
.factor-list meter::-webkit-meter-optimum-value { background:var(--accent); }
.factor-list meter::-moz-meter-bar { background:var(--accent); }
.factor-list dd span { font:9px var(--mono); width:27px; text-align:right; }
.example-state { display:block; border-top:1px solid var(--line); padding-top:12px; margin-top:16px; font-size:9px; color:var(--muted); }
.example-key { margin:18px 0; font-size:11px; line-height:1.8; color:var(--muted); }
.example-jump { background:white; color:#173cab; border:0; padding:13px 16px; min-height:44px; font-size:12px; font-weight:800; cursor:pointer; margin:5px 0 7px; }
.technical-implementation, .technical-example, .technical-checks { scroll-margin-top:24px; }
html[data-audience="dev"] .detail-heading { max-width:100%; padding:12px 0 15px; }
html[data-audience="dev"] .detail-heading h1 { font-size:clamp(32px,3.8vw,46px); letter-spacing:-1.6px; margin:10px 0 13px; }
html[data-audience="dev"] .detail-heading > p:last-child { font-size:15px; line-height:1.75; max-width:900px; }
html[data-audience="dev"] .case-navigation { margin:12px 0 22px; }
.technical-runtime { display:flex; gap:25px; font-size:12px; line-height:1.8; color:var(--muted); padding:0 0 22px; border-bottom:1px solid var(--line); margin-bottom:0; }
.technical-runtime > span { font:500 10px/1.8 var(--mono); text-transform:uppercase; letter-spacing:1px; color:var(--tone); padding-top:2px; }
.technical-notes article { display:grid; grid-template-columns:1fr 1.65fr; gap:55px; padding:24px 0; border-bottom:1px solid var(--line); }
.technical-notes h2 { font:700 23px/1.2 var(--display); letter-spacing:-.6px; margin:0; text-wrap:balance; }
.technical-notes p { font-size:13px; line-height:1.8; margin:0; }
.technical-notes .technical-constraint { color:var(--muted); margin-top:10px; font-size:12px; }
.technical-example { background:var(--hero); color:white; margin:30px 0; padding:29px 30px; }
.technical-example .eyebrow { color:#d5e0ff; }
.technical-example h2 { font:700 clamp(25px,3vw,33px)/1.15 var(--display); letter-spacing:-1px; margin:10px 0 14px; }
.technical-setup { font-size:13px; line-height:1.8; margin-bottom:20px; }
.technical-example-body { display:grid; grid-template-columns:1.25fr 1fr; gap:30px; align-items:start; }
.technical-example pre { background:#081f66; color:#f1f5ff; padding:20px; margin:0; white-space:pre-wrap; overflow-wrap:anywhere; font:11px/1.9 var(--mono); border:1px solid #ffffff38; }
.technical-example code { font:inherit; }
.technical-example-body p { font-size:13px; line-height:1.85; margin:0; }
.technical-example .example-jump { margin:22px 0 0; }
.technical-checks { padding:0 0 28px; }
.technical-checks h2, .technical-screens-heading { font:700 23px/1.2 var(--display); letter-spacing:-.6px; margin:0 0 18px; }
.technical-checks ul { margin:0; padding-left:18px; }
.technical-checks li { padding-left:4px; margin:0 0 9px; font-size:13px; line-height:1.8; }
.technical-checks > p { color:var(--muted); font-size:12px; line-height:1.8; margin:14px 0 18px; }
.technical-screens-heading { border-top:1px solid var(--line); padding-top:24px; }
@media(max-width:900px) {
  .case-opening, .decision-row { gap:30px; }
  .architecture-flow { grid-template-columns:1fr 1fr; }
  .architecture-flow li::after { display:none; }
  .architecture-flow li { padding:20px; }
  .workflow-grid { gap:12px; }
  .workflow-step { padding:19px 16px; }
  .ranker-example { padding:25px; }
}
@media(max-width:650px) {
  .technical-runtime { display:block; }
  .technical-runtime > span { display:block; margin-bottom:7px; }
  .technical-notes article { grid-template-columns:1fr; gap:12px; padding:22px 0; }
  .technical-notes h2 { font-size:22px; }
  .technical-example { padding:24px 20px; }
  .technical-example-body { grid-template-columns:1fr; gap:18px; }
  .technical-example pre { padding:15px; font-size:10px; }
  .case-navigation nav { gap:0 22px; }
  .case-navigation a { font-size:11px; }
  .case-opening { grid-template-columns:1fr; gap:0; margin:38px 0 18px; }
  .case-section-heading h2, .case-challenge h2, .example-intro h2 { font-size:29px; }
  .case-prose p, .case-direction p:not(.eyebrow), .decision-row p, .case-challenge p:not(.eyebrow) { font-size:13px; }
  .case-principle { padding:18px 20px; font-size:27px; margin-bottom:30px; }
  .workflow-grid, .architecture-flow, .example-results, .evidence-grid { grid-template-columns:1fr; }
  .workflow-step { padding:23px; }
  .case-direction, .decision-row, .challenge-columns { grid-template-columns:1fr; gap:20px; }
  .case-direction { gap:28px; }
  .decision-row { gap:0; }
  .decision-row h3 { font-size:23px; }
  .case-challenge { padding:28px 23px 20px; }
  .challenge-columns { gap:0; }
  .evidence-grid { gap:8px; margin-bottom:15px; }
  .ranker-example { padding:25px 20px; }
  .priority-buttons { gap:6px; }
  .priority-buttons button { font-size:10px; padding:10px 11px; }
  .example-controls { gap:6px; }
  .example-place { padding:22px; }
  .example-place:first-child { padding-top:19px; }
  .example-place h3 { font-size:22px; }
  .example-facts, .example-state { font-size:11px; }
  .example-score { font-size:33px; }
  .factor-list dt { font-size:11px; }
  .factor-list dd span { font-size:10px; }
}
@media(prefers-reduced-motion:reduce) {
  .workflow-step { transition:none; }
  .workflow-step:hover, .workflow-step:focus-within { transform:none; }
}