/* Screen portfolio: editorial overview, result-first case studies, full evidence. */
@media screen {
  :root { --ink:#162d3b; --muted:#566873; --accent:#006f73; --paper:#f6f7f4; --line:#dce3e2; }
  html { scroll-padding-top:90px; }
  body:has(.case-index),body:has(.case-layout) { background:var(--paper); color:var(--ink); }
  .skip-link { position:fixed; top:-100px; left:20px; z-index:100; padding:12px 20px; background:white; }
  .skip-link:focus { top:12px; }
  .site-bar { display:flex; align-items:center; justify-content:space-between; gap:20px; max-width:1400px; margin:auto; padding:24px 44px; border-bottom:1px solid var(--line); }
  .site-brand { color:var(--ink); text-decoration:none; font-size:21px; font-weight:800; letter-spacing:-.6px; white-space:nowrap; }
  .site-brand span { display:block; margin-top:1px; font:10px/1.5 system-ui,sans-serif; letter-spacing:1.7px; color:var(--muted); }
  .site-bar nav { display:flex; flex-wrap:wrap; gap:12px 28px; font-size:14px; }
  .site-bar nav a { color:var(--ink); text-decoration:none; padding:7px 0; }
  .site-bar nav a:hover { color:var(--accent); text-decoration:underline; text-underline-offset:6px; }
  .site-bar a:focus-visible,.case-layout a:focus-visible,.case-layout summary:focus-visible { outline:3px solid #c18831; outline-offset:5px; }
  .case-index { max-width:1280px; padding:0 44px 50px; margin:auto; background:none; }
  .case-index .portfolio-hero { display:grid; grid-template-columns:1.25fr 1fr; align-items:center; gap:60px; padding:48px 0 40px; border:0; }
  .eyebrow { color:var(--accent); font-size:11px; font-weight:700; letter-spacing:1.5px; }
  .case-index h1 { font-size:clamp(32px,3.6vw,51px); letter-spacing:-2px; line-height:1.45; margin:20px 0 26px; font-weight:750; }
  .case-index h1 em { color:var(--accent); font-style:normal; }
  .case-index .lead { font-size:17px; line-height:1.95; color:var(--muted); }
  .case-index .index-nav { align-items:center; margin:32px 0 0; gap:16px 24px; font-size:14px; }
  .index-nav .button { border-radius:3px; padding:13px 20px; background:var(--ink); color:white; font-size:14px; }
  .hero-evidence { padding:28px 30px 10px; border:1px solid #ccd9d6; border-top:3px solid var(--accent); background:white; }
  .hero-evidence>a { display:grid; grid-template-columns:105px 1fr; align-items:center; gap:16px; color:var(--ink); text-decoration:none; padding:20px 0; border-bottom:1px solid var(--line); }
  .hero-evidence>a:last-child { border:0; }
  .hero-evidence strong { font:650 43px/1.2 system-ui,sans-serif; letter-spacing:-1.5px; color:var(--accent); }
  .hero-evidence strong span { display:block; font:12px/1.7 sans-serif; letter-spacing:0; padding-top:6px; color:var(--muted); }
  .hero-evidence div { font-size:15px; font-weight:650; line-height:1.8; }
  .hero-evidence div span { display:block; font-size:12px; font-weight:400; margin-top:5px; color:var(--muted); }
  .expertise-strip { display:flex; justify-content:space-between; gap:16px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:20px 0; font-size:13px; color:var(--muted); }
  .case-index .case-group { margin:48px 0; }
  .section-heading { display:flex; align-items:baseline; justify-content:space-between; gap:20px; margin-bottom:26px; }
  .case-index .section-heading h2 { font-size:25px; letter-spacing:-.8px; margin:0; }
  .section-heading p { font-size:13px; color:var(--muted); margin:0; }
  .case-index .case-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
  .case-index .case-card { padding:25px; border:1px solid var(--line); border-radius:3px; box-shadow:none; background:white; display:flex; flex-direction:column; min-width:0; transition:border-color .15s; }
  .case-index .case-card:hover { border-color:#689c96; }
  .card-top { display:flex; justify-content:space-between; align-items:center; gap:14px; margin-bottom:26px; }
  .project-number { color:#73918e; font:500 22px/1 system-ui,sans-serif; }
  .case-index .card-type { font-size:11px; margin:0; letter-spacing:0; color:var(--muted); }
  .case-index .case-card h3 { font-size:22px; letter-spacing:-.8px; line-height:1.55; color:var(--ink); margin:0 0 12px; }
  .case-card h3 a { display:flex; justify-content:space-between; gap:14px; }
  .case-card h3 a span { font-weight:400; color:var(--accent); }
  .case-index .case-card p { font-size:14px; line-height:1.85; color:#415863; }
  .case-index .case-card .project-name { font-size:12px; color:var(--muted); margin:0 0 12px; }
  .case-index .card-result { display:block; padding:14px 0; margin:16px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:none; border-radius:0; font-size:12px; color:var(--accent); line-height:1.8; }
  .case-index .card-actions { gap:8px 18px; font-size:12px; padding:0; }
  .case-index #more-projects .case-cards { grid-template-columns:repeat(2,minmax(0,1fr)); }
  #more-projects .card-top { margin-bottom:18px; }
  .case-index .dashboard-card { padding:36px; background:#e8efed; border:0; border-radius:3px; margin:65px 0; }
  .dashboard-card h2 { font-size:25px; margin-bottom:14px; }
  .dashboard-card p { font-size:14px; color:var(--muted); }
  .dashboard-card .direct-actions { margin:24px 0; }
  .case-index footer { border-top:1px solid var(--line); margin:56px 0 0; padding:26px 0 0; font-size:13px; line-height:1.9; color:var(--muted); }
  .case-index footer strong { color:var(--ink); }
  .case-layout { max-width:1400px; margin:0 auto; padding:48px 44px 70px; display:grid; grid-template-columns:210px minmax(0,1fr); gap:46px; align-items:start; }
  .document-nav { position:sticky; top:28px; padding:0; max-height:calc(100vh - 60px); overflow:auto; background:none; }
  .project-switcher { margin-bottom:26px; }
  .project-switcher>a { font-size:13px; color:var(--muted); }
  .project-switcher label { font-size:11px; margin-top:18px; }
  .project-switcher select { background:transparent; font-size:12px; padding:9px 5px; }
  .document-nav nav { display:block; }
  .document-nav nav a { display:block; padding:11px 12px; font-size:13px; color:var(--muted); border-left:2px solid transparent; border-radius:0; text-decoration:none; line-height:1.6; }
  .document-nav nav a[aria-current=location] { color:var(--accent); background:#e6eeeb; border-left-color:var(--accent); }
  .case-document.web { min-width:0; max-width:none; width:100%; margin:0; padding:0; background:transparent; border:0; border-radius:0; box-shadow:none; }
  .case-document.web>header { padding:0 0 34px; border-bottom:1px solid var(--line); }
  .case-document.web h1 { font-size:clamp(29px,3.1vw,42px); color:var(--ink); line-height:1.45; letter-spacing:-1.5px; margin:16px 0; }
  .case-document.web .lead { color:var(--muted); font-size:18px; margin:14px 0 26px; }
  .case-document.web .case-takeaway { margin:28px 0; padding:22px 26px; border:0; border-left:3px solid var(--accent); border-radius:0; background:#e8efeb; }
  .case-document.web .case-takeaway p { font-size:20px; color:var(--ink); margin:8px 0; }
  .case-document.web .case-takeaway strong { font-size:14px; color:var(--accent); }
  .case-document.web .document-meta { display:grid; grid-template-columns:1.5fr 1fr; gap:14px 28px; padding:0; border:0; margin:24px 0; }
  .case-document.web .document-meta p { margin:0; font-size:13px!important; }
  .case-document.web .document-meta b { display:block; color:var(--muted); font-size:11px; margin-bottom:5px; }
  .case-document .document-meta p:last-child { grid-column:1/-1; }
  .case-document.web .actions { gap:10px 18px; font-size:13px; margin:24px 0; align-items:center; }
  .case-document.web .actions .button,.case-document.web .actions button { padding:9px 14px; font-size:12px; color:var(--accent); background:transparent; border:1px solid #a5bdb7; border-radius:3px; }
  .decision-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); border-top:1px solid var(--line); margin-top:30px; padding-top:25px; gap:25px; }
  .decision-grid span { color:var(--accent); font-weight:700; font-size:12px; }
  .decision-grid p { font-size:14px; line-height:1.9; color:#425864; margin:10px 0; }
  .case-document.web>section { background:transparent; margin:0; padding:42px 0; border:0; border-bottom:1px solid var(--line); border-radius:0; }
  .case-document.web section h2 { font-size:27px; color:var(--ink); letter-spacing:-.8px; line-height:1.5; margin:10px 0 23px; }
  .case-document.web section p { color:#354f5a; font-size:16px; line-height:1.95; }
  .case-document.web .chapter-label { color:var(--accent); font-size:10px; letter-spacing:1.7px; }
  .case-document.web .note { font-size:13px!important; color:var(--muted); }
  .case-document.web .result-gallery { padding:42px 0!important; border-top:0!important; }
  .case-document.web .result-gallery figure { background:white; padding:24px; border:1px solid var(--line); border-radius:3px; }
  .case-document.web figure img,.case-document.web .full-map { display:block; width:100%; height:auto; max-height:none; object-fit:contain; }
  .case-document.web figure svg,.case-document.web .result-gallery svg { display:block; width:100%; height:auto; max-height:none; }
  .case-document.web .full-image-link { display:block; width:100%; }
  .case-document.web .speed-map>svg { max-width:440px; margin:20px auto; }
  .case-document.web .process-details { padding:20px 24px; border:1px solid var(--line); background:white; }
  .process-details>summary { cursor:pointer; color:var(--accent); font-size:15px; font-weight:650; }
  .process-details[open]>summary { margin-bottom:35px; }
  .case-document.web .technical-appendix,.case-document.web .glossary { padding:24px; border:1px solid var(--line); border-radius:3px; margin:24px 0; background:white; }
  .case-document.web .technical-appendix summary,.case-document.web .glossary summary { font-size:16px; cursor:pointer; }
  .case-document.web .technical-section { background:transparent; }
  .case-document.web .work-embedded { margin:0; padding:42px 0; font:inherit; }
  .case-document.web .work-embedded .work-metrics { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .case-document.web .work-embedded .work-metric { background:white; border:1px solid var(--line); border-radius:3px; padding:22px; }
  .case-document.web .work-embedded .work-metric strong { color:var(--accent); font-size:30px; }
  .experiment-status { display:flex; flex-wrap:wrap; gap:8px; margin:18px 0; }
  .experiment-status span { font-size:12px; background:#e2eeea; color:#205b4a; padding:6px 10px; border-radius:3px; }
  .experiment-status span.pending { background:#f5ead5; color:#795316; }
  .comparison-bars { display:grid; gap:18px; margin:24px 0; }
  .comparison-row { display:grid; grid-template-columns:110px minmax(0,1fr) 100px; gap:15px; align-items:center; font-size:14px; }
  .comparison-track { background:#e2e9e6; height:30px; }
  .comparison-track span { display:block; height:100%; background:#43817e; }
  .comparison-row.python .comparison-track span { background:#3b5572; }
  .comparison-row strong { text-align:right; font-variant-numeric:tabular-nums; }
  .experiment-verdict { border-left:3px solid #b47d2b; background:#faf1e1; padding:20px 24px; margin:26px 0; }
  .case-document.web .experiment-verdict p { margin:6px 0; font-size:15px; }
  .comparison-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
  .comparison-grid>div { padding:22px; border:1px solid var(--line); background:white; }
  .comparison-grid h4 { color:var(--accent); margin:0 0 12px; font-size:16px; }
  .case-document.web .comparison-grid p { font-size:14px; }
  .case-document pre { max-width:100%; overflow:auto; }
  .case-document img { max-width:100%; }
  @media(max-width:1100px) {
    .case-layout { grid-template-columns:175px minmax(0,1fr); gap:28px; padding:36px 28px; }
    .site-bar { padding:22px 28px; }
    .case-index { padding:0 28px 40px; }
    .case-index .portfolio-hero { gap:30px; }
    .case-index .case-cards { grid-template-columns:1fr; }
    .case-index #projects .case-card { display:grid; grid-template-columns:1fr 1fr; column-gap:35px; }
    #projects .case-card .card-top,#projects .case-card h3,#projects .case-card .project-name { grid-column:1; }
    #projects .case-card>p:not(.project-name),#projects .case-card .card-result,#projects .case-card .card-actions { grid-column:2; }
    #projects .case-card>p:not(.project-name) { grid-row:1/3; }
    .decision-grid { grid-template-columns:1fr; gap:14px; }
    .decision-grid p { margin:6px 0; }
  }
  @media(max-width:760px) {
    .site-bar { padding:18px 20px; align-items:flex-start; }
    .site-bar nav { gap:6px 16px; max-width:225px; justify-content:flex-end; font-size:12px; }
    .site-bar nav a { padding:3px 0; }
    .site-brand { font-size:19px; }
    .case-index { padding:0 20px 36px; }
    .case-index .portfolio-hero { grid-template-columns:1fr; gap:26px; padding:42px 0 30px; }
    .case-index h1 { font-size:36px; letter-spacing:-1.5px; }
    .case-index .lead { font-size:15px; }
    .hero-evidence { padding:22px 22px 0; }
    .hero-evidence>a { padding:20px 0; grid-template-columns:95px 1fr; }
    .hero-evidence strong { font-size:36px; }
    .hero-evidence div { font-size:14px; }
    .expertise-strip { display:grid; grid-template-columns:1fr 1fr; gap:12px; font-size:12px; }
    .section-heading { display:block; }
    .section-heading p { margin-top:10px; }
    .case-index .case-group { margin:42px 0; }
    .case-index #projects .case-card { display:flex; }
    .case-index #more-projects .case-cards { grid-template-columns:1fr; }
    .case-index .case-card { padding:24px; }
    .case-index .dashboard-card { padding:24px; margin:42px 0; }
    .case-layout { display:block; padding:0 20px 40px; }
    .document-nav { position:static; max-height:none; overflow:visible; padding:20px 0; margin:0 0 22px; border-bottom:1px solid var(--line); }
    .project-switcher { display:flex; align-items:center; gap:15px; margin:0 0 12px; }
    .project-switcher label { margin:0; padding:0; flex:1; min-width:0; }
    .project-switcher>a { white-space:nowrap; font-size:12px; }
    .document-nav nav { display:flex; gap:5px; flex-wrap:wrap; }
    .document-nav nav a { padding:5px 8px; font-size:11px; }
    .case-document.web h1 { font-size:29px; letter-spacing:-1px; }
    .case-document.web .lead { font-size:16px; }
    .case-document.web .case-takeaway { padding:18px; }
    .case-document.web .case-takeaway p { font-size:18px; }
    .case-document.web .document-meta { grid-template-columns:1fr; }
    .case-document.web>section { padding:30px 0; }
    .case-document.web section h2 { font-size:24px; }
    .case-document.web section p { font-size:15px; }
    .case-document.web .work-embedded .work-metrics { grid-template-columns:1fr; }
    .case-document.web .work-embedded .work-metric { padding:16px 20px; }
    .case-document.web .result-gallery figure { padding:12px; }
    .case-document.web .technical-appendix,.case-document.web .glossary,.case-document.web .process-details { padding:18px; }
    .comparison-grid { grid-template-columns:1fr; }
    .comparison-row { grid-template-columns:78px minmax(0,1fr) 75px; gap:8px; font-size:12px; }
    .case-document.web .work-embedded .work-inline-header h2 { font-size:24px; }
  }
  @media(max-width:360px) { .site-bar { padding:16px; gap:12px; } .site-bar nav { max-width:180px; gap:5px 10px; font-size:11px; } .case-index h1 { font-size:30px; } .hero-evidence { padding:20px 16px 0; } }
  @media(prefers-reduced-motion:reduce) { * { scroll-behavior:auto!important; transition:none!important; } }
}
@media print { .site-bar,.skip-link { display:none; } .decision-grid { display:block; } .decision-grid span { font-weight:bold; } .comparison-track { display:none; } }