:root{--paper:#f5f0e6;--panel:#e8ddc8;--ink:#252720;--muted:#686b5d;--rust:#ac4935;--line:#d5cbb8;--water:#dce5e0;--land:#f0eadb;--sans:Arial,Helvetica,sans-serif;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6}a{color:inherit;text-underline-offset:3px}button,input{font:inherit}button{cursor:pointer;color:var(--ink)}button:focus-visible,input:focus-visible,a:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline:3px solid var(--rust);outline-offset:4px}.masthead,main,footer{max-width:1440px;margin:auto}.masthead{padding:20px 40px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.masthead a{font-family:var(--serif);font-size:25px;text-decoration:none}.masthead>span,footer{font-size:11px;color:var(--muted)}main{padding:0 40px}.intro{display:flex;justify-content:space-between;gap:30px;align-items:end;padding:28px 0}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:1.7px;color:var(--rust);font-weight:700;margin:0 0 8px}h1{font:400 clamp(32px,4.2vw,58px)/1.1 var(--serif);letter-spacing:-1.7px;margin:0}.intro>p{margin:0;font:17px/1.5 var(--serif);max-width:310px}.atlas{border:1px solid var(--line)}.timebar{display:flex;gap:24px;align-items:center;padding:17px 24px;background:var(--panel);border-bottom:1px solid var(--line)}.year-heading{min-width:145px}.year-heading label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:1.3px}.year-heading output{font:32px/1.1 var(--serif)}.timeline{flex:1;min-width:90px}.timeline input{width:100%;accent-color:var(--rust);margin:8px 0;cursor:pointer}.ticks{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.check{display:flex;align-items:center;gap:7px;font-size:12px;white-space:nowrap}.check input{accent-color:var(--rust);width:16px;height:16px}#play{border:1px solid #b4a48b;background:var(--paper);padding:8px 12px;font-size:12px;white-space:nowrap}.map-wrap{position:relative;background:var(--water);overflow:hidden}.map-top{position:absolute;top:16px;left:18px;right:18px;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px}.map-top>span{padding:5px 9px;background:#f5f0e6ed;border:1px solid #cbd3cb}.map-tools{display:flex;gap:4px}.map-tools button{background:var(--paper);border:1px solid #bdc7be;min-width:30px;height:30px;padding:0 8px;font-size:13px}.map-tools button:hover{background:var(--panel)}#map{width:100%;height:850px;display:block}.land{fill:var(--land);stroke:#aeb6a2;stroke-width:1;vector-effect:non-scaling-stroke}.graticule{stroke:#aab8ad;stroke-width:.5;opacity:.3}.city-label{fill:#737866;font:11px var(--sans);paint-order:stroke;stroke:var(--land);stroke-width:3px;stroke-linejoin:round}.city-dot{fill:#929882}.water-label{fill:#8b9f94;font:italic 21px var(--serif);letter-spacing:3px}.move-line{fill:none;stroke:var(--rust);stroke-width:1.5;stroke-dasharray:5 5;opacity:.28;vector-effect:non-scaling-stroke}.office-bubble{cursor:pointer;transition:transform .9s ease-in-out,opacity .6s ease;transform-origin:0 0}.bubble-disc{fill:var(--company);fill-opacity:.82;stroke:var(--paper);stroke-width:2;transition:r .9s ease;filter:drop-shadow(0 2px 2px #25272022)}.approximate .bubble-disc{stroke-dasharray:3 2}.bubble-initial{fill:#fffaf0;font:700 15px var(--sans);pointer-events:none}.bubble-label{fill:var(--ink);font:700 12px var(--sans);paint-order:stroke;stroke:var(--paper);stroke-width:4px;stroke-linejoin:round;pointer-events:none}.office-bubble:hover .bubble-disc,.office-bubble:focus .bubble-disc{fill-opacity:1;stroke:var(--ink)}.bubble-leader{stroke-width:1;opacity:.5;stroke-dasharray:2 3;pointer-events:none}.map-bottom{position:absolute;bottom:0;left:0;right:0;padding:10px 18px;background:#f5f0e6ed;border-top:1px solid #ccd0be;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted)}#count{color:var(--ink)}.empty{position:absolute;top:78px;left:20px;max-width:290px;padding:14px;background:#f5f0e6ed;border-left:2px solid var(--rust);font-size:12px}.below-map{padding:15px 20px;background:var(--paper)}.legend-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.company-legend{display:flex;flex-wrap:wrap;gap:10px 22px}.legend-company{font-size:12px;background:none;border:0;padding:5px 0;display:flex;align-items:center;gap:7px}.legend-company:before{content:'';width:12px;height:12px;background:var(--company);border-radius:50%}.legend-company:hover{text-decoration:underline}.search-label input{max-width:200px;width:100%;font-size:12px;background:#fffaf0;border:1px solid var(--line);padding:7px 10px}#event-note{font-size:12px;color:var(--muted);margin:12px 0 0}.notes{margin:20px 0 28px;font-size:12px;color:var(--muted);max-width:900px}.notes summary{cursor:pointer;color:var(--ink)}.notes p{max-width:800px}.error{padding:20px;background:var(--panel);border-left:3px solid var(--rust);margin-top:20px}dialog{position:fixed;border:1px solid var(--line);background:var(--paper);color:var(--ink);width:min(520px,calc(100vw - 32px));max-height:80vh;padding:28px;overflow:auto}dialog::backdrop{background:#25272066}#close-detail{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:25px}#detail h2{font:32px var(--serif);margin:0 0 20px}#detail h3{font-size:14px;margin:0 0 6px}#detail p{font-size:12px}#detail a{display:block;font-size:11px;margin:7px 0}.record{padding:16px 0;border-top:1px solid var(--line)}.record-date{color:var(--rust)}footer{border-top:1px solid var(--line);padding:22px 40px 30px;display:flex;justify-content:space-between}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(prefers-reduced-motion:reduce){.office-bubble,.bubble-disc{transition:none}}@media(max-width:850px){.timebar{gap:14px;flex-wrap:wrap}.year-heading{min-width:130px}.timeline{min-width:200px}.intro{align-items:start}.intro>p{font-size:15px}main{padding:0 22px}.masthead,footer{padding-left:22px;padding-right:22px}#map{height:800px}.legend-row{align-items:start}.company-legend{gap:8px 14px}}@media(max-width:550px){.masthead{padding:16px}.masthead a{font-size:21px}.masthead>span{display:none}main{padding:0 12px}.intro{display:block;padding:24px 0}.intro>p{margin-top:12px}h1{font-size:36px}.timebar{padding:14px;gap:12px}.year-heading{min-width:100px}.year-heading output{font-size:27px}.timeline{min-width:120px}.check{font-size:11px}#map{height:720px}.map-top{left:10px;right:10px;top:10px}.map-top>span{max-width:175px;font-size:10px}.map-tools button{padding:0 5px;min-width:26px}.map-bottom{font-size:10px;display:block;padding:9px 12px}.map-bottom span{display:block}.legend-row{flex-direction:column;gap:12px}.below-map{padding:12px}.search-label,.search-label input{max-width:none;width:100%}.empty{left:12px;max-width:220px}footer{padding:20px 12px;display:block}footer span{display:block}}

#map{touch-action:none;cursor:grab}#map,#map *{-webkit-user-select:none;user-select:none}#map.dragging{cursor:grabbing}.place-labels{pointer-events:none}.county-label{fill:#888c7b;font:italic 10px var(--serif);letter-spacing:.7px;paint-order:stroke;stroke:var(--land);stroke-width:3px}.land{stroke:#a8b3a3;stroke-width:.7}#zoom-level{font-size:11px;background:#f5f0e6ed;padding:4px 7px;min-width:43px;text-align:center}

.city-presence .bubble-disc{fill:var(--paper);fill-opacity:.95;stroke:var(--company);stroke-width:2.5;stroke-dasharray:none}.city-presence .bubble-initial{fill:var(--company)}.scope-controls{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:13px;font-size:11px}.scope-controls select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);padding:5px 8px}.scope-controls>span{display:flex;align-items:center;gap:7px;color:var(--muted);margin-left:auto}.presence-key{display:inline-block;border:2px solid var(--rust);border-radius:50%;width:13px;height:13px}.qualification-count{font-weight:700}.presence-note{color:var(--rust)}.bubble-label{font-size:11px}@media(max-width:550px){.scope-controls>span{margin-left:0;width:100%}}

.legend-row{display:grid;grid-template-columns:minmax(0,1fr) 220px;align-items:start}.search-label{display:block;min-width:200px;width:220px}.search-label input{width:100%;max-width:none}@media(max-width:650px){.legend-row{grid-template-columns:1fr}.search-label{width:100%;min-width:0}}

.last-known .bubble-disc{fill:var(--paper);fill-opacity:.75;stroke:var(--company);stroke-width:1.6;stroke-dasharray:4 4;filter:none}.last-known .bubble-initial{fill:var(--company);opacity:.65}.last-known .bubble-label{fill:#5f6259}.last-seen-label{font-weight:400;font-style:italic;fill:#666b60}.ghost-key{display:inline-block;border:1.5px dashed #686b5d;border-radius:50%;width:13px;height:13px;margin-left:10px}.last-known-control{font-size:11px}.temporal-warning{padding:12px;background:var(--panel);border-left:2px dashed var(--rust)}.inferred .bubble-disc{stroke-dasharray:7 2}

.compact .bubble-label,.compact .bubble-initial{display:none}.compact .bubble-disc{stroke-width:2;fill-opacity:1}.compact.last-known .bubble-disc{fill-opacity:.6;stroke-dasharray:2 2}#compact-note{font-size:11px;color:var(--rust);margin:9px 0 0}

.compact:hover .bubble-label,.compact:focus .bubble-label{display:block;paint-order:stroke;stroke:var(--paper);stroke-width:4px;stroke-linejoin:round}.compact:focus .bubble-disc,.compact:hover .bubble-disc{stroke-width:3}

.inferred-key{display:inline-block;border:2px dashed var(--rust);border-radius:50%;width:13px;height:13px;margin-left:10px}

.legend-row{display:block}.map-top .search-label{width:220px;min-width:140px;margin-left:auto}.map-top .search-label input{background:var(--paper);font-size:12px;padding:7px 10px}@media(max-width:650px){.map-top{flex-wrap:wrap}.map-top .search-label{order:3;width:100%;margin:0}.map-top .search-label input{width:100%}}

#latest-year{border:1px solid #b4a48b;background:var(--paper);padding:8px 12px;font-size:12px;white-space:nowrap}#latest-year[aria-pressed="true"]{background:var(--rust);color:var(--paper)}

.workplace-legend{padding:13px 20px 0;display:flex;align-items:center;gap:8px 16px;flex-wrap:wrap;font-size:11px;background:var(--paper)}.workplace-legend>span{white-space:nowrap}.workplace-legend b{display:inline-block;min-width:24px;font-size:10px;border:1px solid var(--line);padding:0 3px;text-align:center;margin-right:4px}.workplace-legend p{width:100%;margin:0 0 4px;color:var(--muted);font-size:11px}.workplace-badge{fill:var(--ink);font:700 9px var(--sans);paint-order:stroke;stroke:var(--paper);stroke-width:4px;stroke-linejoin:round;pointer-events:none}.compact .workplace-badge{display:none}.compact:hover .workplace-badge,.compact:focus .workplace-badge{display:block}#hover-card{position:fixed;z-index:20;width:min(330px,calc(100vw - 24px));max-height:calc(100vh - 24px);overflow:auto;background:var(--paper);border:1px solid #b9ad96;border-top:3px solid var(--rust);box-shadow:0 5px 22px #25272026;padding:14px 16px;font-size:12px;line-height:1.45}#hover-card h3{font:22px/1.15 var(--serif);margin:0 0 8px}#hover-card p{margin:7px 0}#hover-card .hover-place{font-weight:700}#hover-card .hover-status{color:var(--rust)}#hover-card .hover-workforce{border-top:1px solid var(--line);padding-top:8px}#hover-card .hover-note{color:var(--muted)}#hover-card .hover-hint{font-size:10px;border-top:1px solid var(--line);padding-top:8px;margin-bottom:0}

/* Overview controls and geographic clusters. */
.region-shortcuts{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:10px 20px;background:var(--paper);border-bottom:1px solid var(--line);font-size:11px}.region-shortcuts>span{color:var(--muted);margin-right:4px}.region-shortcuts button{border:1px solid var(--line);border-radius:3px;background:transparent;font-size:11px;padding:5px 10px}.region-shortcuts button:hover{background:var(--panel)}.cluster-bubble{cursor:pointer}.cluster-disc{fill:var(--paper);stroke:var(--ink);stroke-width:1;filter:drop-shadow(0 2px 3px #25272030)}.cluster-count{fill:var(--ink);font:700 15px var(--sans);pointer-events:none}.cluster-bubble:hover .cluster-disc,.cluster-bubble:focus .cluster-disc{fill:var(--panel)}.cluster-bubble:focus-visible{outline:none}.cluster-bubble:focus-visible .cluster-disc{stroke:var(--ink);stroke-width:8}.sector-legend{display:flex;flex-wrap:wrap;gap:8px 17px;font-size:11px;padding:13px 0;border-top:1px solid var(--line);margin-top:12px}.sector-legend span{display:flex;align-items:center;gap:6px}.sector-legend span:before{content:'';display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--sector-color)}.company-directory{border-top:1px solid var(--line);padding:12px 0;font-size:12px}.company-directory summary{cursor:pointer;font-weight:bold}.company-directory summary span{font-weight:normal;color:var(--muted);margin-left:10px}.company-directory label{display:block;margin-top:13px}.company-directory input{display:block;width:min(350px,100%);padding:8px 10px;border:1px solid var(--line);background:#fffaf0;margin:5px 0 12px}.company-directory .company-legend{max-height:340px;overflow:auto;padding:4px}.company-directory .legend-company{min-height:30px}#map,#map *{-webkit-user-select:none;user-select:none}

/* Desktop overview fits beneath its controls; research details continue below. */
@media(min-width:900px){
 .masthead,main,footer{max-width:none}
 .masthead{padding:10px 28px}.masthead a{font-size:21px}
 main{padding:0 28px}.intro{padding:14px 0;align-items:center}
 h1{font-size:36px}.eyebrow{margin-bottom:4px}.intro>p{font-size:14px;max-width:340px}
 .timebar{padding:9px 18px;gap:18px}.year-heading output{font-size:27px}
 .region-shortcuts{padding:7px 18px}
 #map{height:calc(100dvh - 258px);min-height:280px}
}
.land{fill:#eee8d8;stroke:#abb4a3;stroke-width:.6}
.road-primary,.road-secondary{fill:none;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.road-primary{stroke:#bca87c;stroke-width:1.7;opacity:.8}
.road-secondary{stroke:#cec4ae;stroke-width:.65;opacity:.7}
.graticule{display:none}.water-label{fill:#718d88;opacity:.8}
.map-bottom{font-size:10px}.map-top{top:10px}

.role-key b{background:var(--role-color);border-color:var(--role-color);color:#fffaf0}
.role-headquarters{--role-color:#ac4935}.role-branch{--role-color:#405d83}.role-office{--role-color:#426a64}.role-research{--role-color:#79618b}.role-manufacturing{--role-color:#9a782f}.role-unspecified{--role-color:#777970}
.map-bottom{flex-wrap:wrap;gap:2px 12px}.map-bottom #count{font-weight:600}

.road-local{fill:none;stroke:#c9bfae;stroke-width:.8;vector-effect:non-scaling-stroke;pointer-events:none;stroke-linejoin:round}
.street-label{fill:#665e51;stroke:#f5f0e6;paint-order:stroke;pointer-events:none;font-family:Arial,sans-serif;font-weight:400}

#map.street-view .water-label,#map.street-view .graticule{display:none}

.closeup.compact .bubble-label,.closeup.compact:hover .bubble-label,.closeup.compact:focus .bubble-label{display:none}
.closeup.compact.label-visible .bubble-label{display:block}
.closeup.compact:hover .workplace-badge,.closeup.compact:focus .workplace-badge{display:none}
.bubble-leader{vector-effect:non-scaling-stroke;stroke-width:.7;opacity:.45}

.office-bubble.closeup{transition:opacity .15s ease}
.legend-company .classification-label{display:block;font-size:10px;font-weight:400;color:#625b50;margin-top:3px}
.classification-label{font-size:12px;color:#625b50}
.classification-note{border-left:2px solid #ac4935;padding-left:10px}
.classification a{display:block;margin:6px 0;overflow-wrap:anywhere}
.scope-controls select{max-width:100%}
.atlas-tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:20px}.atlas-tabs button{border:0;background:transparent;padding:13px 18px;font-size:15px;border-bottom:3px solid transparent}.atlas-tabs button[aria-selected=true]{border-color:var(--rust);color:var(--rust);font-weight:700}.share-heading h2{font:36px var(--serif);margin:8px 0}.share-heading p{max-width:850px}.share-controls{display:flex;flex-wrap:wrap;gap:24px;padding:20px;background:var(--panel);align-items:center}.share-controls label{display:flex;gap:10px;align-items:center;font-size:13px}.share-year-label{flex:1;min-width:240px}.share-year-label input{width:100%}#share-status{font-size:17px;min-height:48px;margin:24px 0 6px}.share-chart-wrap{border:1px solid var(--line);background:var(--paper)}#share-chart{width:100%;height:auto;display:block}.share-axis{font:13px Arial,sans-serif;fill:#514b42}.share-key,.share-warning,.share-footnote{font-size:13px;line-height:1.6;max-width:1000px}.share-warning{padding:14px 18px;border-left:3px solid var(--rust);background:var(--panel)}.share-details{margin:16px 0;padding:15px;border:1px solid var(--line);font-size:13px;line-height:1.6}.share-details summary{cursor:pointer;font-weight:600}.share-details p{overflow-wrap:anywhere}.share-details a{color:var(--rust)}#share-method li{margin:8px 0}@media(max-width:600px){.share-heading h2{font-size:29px}.share-controls{display:block;padding:12px}.share-controls label{margin:12px 0;flex-wrap:wrap}.atlas-tabs button{padding:12px 8px;font-size:13px}.share-axis{font-size:15px}}