.case-study-page{min-height:80vh;padding:48px 0 80px}.case-study-nav{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;margin-bottom:36px;padding-bottom:18px;font-size:13px;display:flex}.back-link{color:var(--ink);transition:color .14s var(--ease);align-items:center;gap:8px;text-decoration:none;display:inline-flex}.back-link:hover{color:var(--green);text-decoration:underline}.breadcrumb-path{color:var(--muted);font-size:12px}.breadcrumb-path .sep{color:var(--rule);margin:0 6px}.breadcrumb-path .current{color:var(--ink);font-weight:500}.case-study-header{border-bottom:1px solid var(--rule);margin-bottom:48px;padding-bottom:40px}.case-study-tags{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.status-badge{font-family:var(--font-mono), Consolas, monospace;color:var(--ink);background:var(--surface-subtle);border:1px solid var(--rule);border-radius:3px;padding:2px 8px;font-size:11px}.date-badge{font-family:var(--font-mono), Consolas, monospace;color:var(--muted);font-size:11px}.case-study-title{letter-spacing:-.03em;margin-bottom:24px;font-size:clamp(34px,4vw,54px);line-height:1.12}.analytical-question-box{background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--green);margin-bottom:24px;padding:20px 24px}.question-text{font-family:var(--font-serif), Georgia, serif;color:var(--ink);margin:6px 0 0;font-size:20px;line-height:1.45}.case-study-summary{color:var(--muted);max-width:72ch;margin-bottom:28px;font-size:16px;line-height:1.7}.case-study-actions{flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:28px;display:flex}.tech-stack-row{border-top:1px solid var(--rule);flex-wrap:wrap;align-items:center;gap:12px;padding-top:20px;display:flex}.tech-tags{flex-wrap:wrap;gap:8px;display:flex}.tech-tag{font-family:var(--font-mono), monospace;color:var(--ink);background:var(--surface-subtle);border:1px solid var(--rule);border-radius:3px;padding:3px 8px;font-size:11px}.case-study-body{max-width:820px}.case-section{border-bottom:1px solid var(--rule);margin-bottom:48px;padding-bottom:48px}.case-section:last-child{border-bottom:none}.case-section h2{letter-spacing:-.02em;margin:10px 0 20px;font-size:28px}.prose p{color:var(--muted);margin-bottom:18px;font-size:15.5px;line-height:1.75}.methodology-timeline{flex-direction:column;gap:20px;margin-top:20px;display:flex}.timeline-node{background:var(--surface);border:1px solid var(--rule);grid-template-columns:48px 1fr;gap:20px;padding:20px 24px;display:grid}.node-num{font-family:var(--font-serif), Georgia, serif;color:var(--green);font-size:26px;line-height:1}.node-content h3{font-family:var(--font-main), "Plus Jakarta Sans", sans-serif;margin:0 0 8px;font-size:16px;font-weight:600}.node-content p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.assumptions-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.assumptions-list li{color:var(--ink);background:var(--surface);border:1px solid var(--rule);align-items:flex-start;gap:12px;padding:14px 18px;font-size:14.5px;line-height:1.6;display:flex}.icon-green{color:var(--green);flex-shrink:0;margin-top:3px}.findings-grid{grid-template-columns:1fr;gap:16px;display:grid}.finding-card{background:var(--surface);border:1px solid var(--rule);border-top:2px solid var(--green);padding:18px 22px}.finding-num{font-family:var(--font-mono), monospace;color:var(--green);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px;font-size:11px;display:block}.finding-card p{color:var(--ink);margin:0;font-size:14.5px;line-height:1.65}.limitations-box{background:var(--surface-subtle);border:1px solid var(--rule);border-left:3px solid var(--gold);padding:22px 24px}.limitations-header{color:var(--ink);align-items:center;gap:8px;margin-bottom:12px;font-size:14px;display:flex}.icon-gold{color:var(--gold);flex-shrink:0}.limitations-list{margin:0;padding-left:20px;list-style-type:square}.limitations-list li{color:var(--muted);margin-bottom:8px;font-size:13.5px;line-height:1.65}.limitations-list li:last-child{margin-bottom:0}.case-study-page-footer{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-top:48px;padding-top:36px;display:flex}@media (max-width:620px){.case-study-page{padding:32px 0 60px}.case-study-title{font-size:30px}.question-text{font-size:17px}.timeline-node{grid-template-columns:1fr;gap:8px}.case-study-actions{flex-direction:column;align-items:stretch}}