@font-face{font-family:Source;src:url('../assets/fonts/SourceSans3-Regular.ttf')}@font-face{font-family:Manrope;src:url('../assets/fonts/manrope.ttf')}@font-face{font-family:Source;src:url('../assets/fonts/SourceSans3-Semibold.ttf');font-weight:600}
:root{--navy:#102d46;--blue:#2766a4;--paper:#f6f3ed;--sand:#c4ae8f;--slate:#516674;--line:#d3dce1;--soft:#eaf0f3;--white:#fff;--accent:#ae5d34}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--navy);font:17px/1.55 Source,Arial,sans-serif}button,input,select{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer}a{color:var(--blue)}button{min-height:44px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--navy);padding:10px 16px;font-weight:600}button:hover{background:var(--soft);border-color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[role=button]:focus-visible{outline:3px solid #a76236;outline-offset:3px}h1,h2,h3,button,.eyebrow{font-family:Manrope,Arial,sans-serif}h1,h2,h3{line-height:1.2}h2{font-size:26px}h3{font-size:19px}p{margin:0 0 16px}[hidden]{display:none!important}.skip{position:fixed;top:-90px;left:15px;z-index:99;padding:12px;background:white}.skip:focus{top:12px}.masthead{background:var(--navy);color:white;padding:22px max(28px,calc((100vw - 1480px)/2));display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:24px;text-decoration:none;color:white}.brand img{width:166px;max-height:58px}.brand span{font:600 12px Manrope;letter-spacing:.1em;border-left:1px solid #ffffff38;padding-left:24px}.brand small{display:block;font:12px Source;letter-spacing:0;margin-top:6px;color:#dceaf3}.header-actions{display:flex;align-items:center;gap:22px;font-size:14px}.header-actions a{color:#dceaf3;text-decoration:none}.header-actions button{background:transparent;border-color:#668ba5;color:white;font-size:14px}main{max-width:1480px;margin:auto;padding:0 32px}.intro{display:grid;grid-template-columns:1.7fr 1fr;gap:80px;padding:70px 0 55px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:700;color:var(--blue);margin-bottom:15px}h1{font-size:clamp(38px,4.25vw,66px);font-weight:650;letter-spacing:-.045em;margin:0 0 23px}.lead{max-width:630px;font-size:20px;color:var(--slate);line-height:1.5}.intro-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.primary{background:var(--blue);color:white;border-color:var(--blue)}.primary:hover{background:var(--navy);color:white}.primary span{padding-left:20px}.edition{border-left:1px solid var(--sand);padding:15px 0 15px 40px}.edition>p:first-child{font:11px Manrope;letter-spacing:.16em;color:var(--slate)}.edition strong{display:block;font:500 clamp(38px,4vw,62px) Manrope;letter-spacing:-.05em;margin:15px 0}.edition>span{font-size:15px;color:var(--slate)}.edition #edition-counts{font-size:14px;margin:14px 0 24px}.edition a{font-weight:600}.atlas-shell{border:1px solid var(--line);border-radius:12px;background:white;box-shadow:0 10px 35px #102d4608;scroll-margin-top:12px}.view-tabs{display:flex;gap:5px;padding:12px 18px;background:var(--navy);border-radius:11px 11px 0 0;overflow-x:auto}.view-tabs button{min-height:52px;background:transparent;border-color:transparent;color:#dceaf3;padding:12px 22px;flex:none}.view-tabs button[aria-current=page]{background:var(--paper);color:var(--navy)}.filters{display:flex;gap:14px;align-items:end;padding:22px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}.filters label,.time-controls>label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600;color:var(--slate)}input,select{min-height:44px;border:1px solid #bccbd4;border-radius:6px;padding:8px 12px;color:var(--navy);background:white}select{max-width:250px}.search-label{flex:1;min-width:200px}.text-button{border-color:transparent;background:transparent;font-size:14px}.temporal{padding:18px 24px;background:#f8f9f8;border-bottom:1px solid var(--line)}.time-heading{display:flex;justify-content:space-between;gap:12px;margin-bottom:14px;font-size:13px;color:var(--slate)}.time-heading strong{font:600 21px Manrope;color:var(--navy)}.time-controls{display:flex;align-items:center;gap:20px}.time-controls input[type=number]{width:92px}.time-rail{flex:1;min-width:130px}.time-rail>label{font-size:12px;color:var(--slate)}.time-rail output{float:right;color:var(--blue)}input[type=range]{padding:0;width:100%;height:28px;min-height:28px;border:0;accent-color:var(--blue)}.rail-years{display:flex;justify-content:space-between;font-size:11px;color:var(--slate)}.time-controls>button{font-size:13px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:580px}.view{padding:28px;min-width:0}.detail{background:#f5f7f8;border-left:1px solid var(--line);padding:26px;overflow-wrap:anywhere;max-height:950px;overflow:auto}.detail h2{font-size:24px;letter-spacing:-.025em}.detail p{font-size:15px;color:#3e5564}.detail .actions{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.detail button{font-size:13px;padding:9px 12px}.detail ul{padding-left:18px;font-size:14px}.detail li{margin-bottom:12px}.detail details{border-top:1px solid var(--line);padding:14px 0}.detail summary{cursor:pointer;font-weight:600;font-size:14px}.detail .ref-link{display:block;font-size:13px;margin:12px 0}.badge{display:inline-block;padding:3px 8px;border-radius:4px;border:1px solid var(--line);background:white;font-size:11px;color:var(--slate);margin:2px 4px 6px 0}.badge.doc{background:#e7eef4;color:var(--blue)}.section-heading{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:20px}.section-heading h2{margin:0 0 8px}.section-heading p{font-size:14px;color:var(--slate);max-width:640px}.era-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.era-card{border:1px solid var(--line);padding:20px;border-radius:7px;background:var(--paper);text-align:left;min-height:170px;display:flex;flex-direction:column}.era-card .era-year{font:600 14px Manrope;color:var(--blue);letter-spacing:.03em}.era-card strong{font:600 19px/1.35 Manrope;margin:12px 0}.era-card small{font:14px/1.5 Source;color:var(--slate)}.era-card.active{border:2px solid var(--blue)}.events{display:flex;flex-direction:column;gap:8px;margin-top:22px}.event{display:grid;grid-template-columns:92px 1fr;gap:14px;text-align:left;padding:14px;border:1px solid var(--line);background:white;border-radius:6px;width:100%}.event time{font:600 12px Manrope;color:var(--blue);padding-top:3px}.event strong{display:block;font:600 16px Manrope}.event small{font:13px Source;color:var(--slate)}.event.active{border-left:4px solid var(--blue)}.empty{padding:30px;border:1px dashed #a8bbc8;border-radius:8px;color:var(--slate);background:#f6f8fa}.subtle{font-size:13px;color:var(--slate)}.status{padding:12px 24px;margin:0;border-top:1px solid var(--line);font-size:12px;color:var(--slate);min-height:40px}.reading{display:grid;grid-template-columns:1fr 2fr;gap:55px;padding:65px 0}.reading>div>p{color:var(--slate)}.tour-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tour-card{padding:16px;text-align:left;background:transparent;display:flex;justify-content:space-between;align-items:center;gap:12px}.tour-card span{font-size:14px}.tour-card small{color:var(--slate);font:12px Source}.tour-bar{display:flex;gap:14px;align-items:center;background:#dceaf3;padding:12px 24px;flex-wrap:wrap}.tour-bar strong{font-size:14px;flex:1}.tour-bar button{font-size:13px}.method-strip{border-top:1px solid var(--sand);padding:36px 0;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.method-strip p{color:var(--slate);font-size:16px}.method-strip h2{max-width:380px}.method-strip a{font-size:14px}footer{max-width:1480px;margin:auto;padding:28px 32px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:var(--slate)}footer a{color:var(--slate)}.map-svg{width:100%;height:auto;background:#edf3f6;border-radius:8px}.map-land{fill:#d3dde4;stroke:#9aaebb;stroke-width:1}.map-node{fill:var(--blue);stroke:white;stroke-width:3;cursor:pointer}.map-label{font:600 13px Source;fill:var(--navy)}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.case-card{text-align:left;display:flex;flex-direction:column;padding:16px;gap:6px}.case-card small{color:var(--slate);font:13px/1.45 Source}.case-card.selected{border:2px solid var(--blue)}.graph-svg{width:100%;height:auto;min-height:400px;background:linear-gradient(#f5f8fa,#fff);border:1px solid var(--line);border-radius:7px}.graph-node{cursor:pointer}.graph-node circle,.graph-node rect,.graph-node polygon{fill:white;stroke:var(--blue);stroke-width:2}.graph-node.selected circle,.graph-node.selected rect,.graph-node.selected polygon{fill:var(--blue)}.graph-node.selected text{fill:white}.graph-node text{font:600 11px Source;fill:var(--navy);pointer-events:none}.graph-edge{stroke:#a5b7c5;stroke-width:2;cursor:pointer}.graph-edge.proposed{stroke-dasharray:5 4}.graph-edge:hover{stroke:#ae5d34;stroke-width:5}.graph-tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.graph-tools button{font-size:13px}.graph-list{margin-top:18px}.graph-list summary{font-size:14px;cursor:pointer}.graph-list ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}.graph-list button{width:100%;text-align:left;font-size:13px}.chart{padding:20px;border:1px solid var(--line);border-radius:8px;margin-bottom:16px}.chart h3{margin:0 0 8px}.chart svg{width:100%;height:auto;overflow:visible}.chart-caption{font-size:12px;color:var(--slate);margin-top:12px}.chart-actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.chart-actions button{font-size:12px;min-height:40px}.chart details{font-size:13px}.chart summary{cursor:pointer}.data-table{overflow:auto;max-height:350px;margin-top:12px}.data-table table{border-collapse:collapse;width:100%;font-size:12px}.data-table th,.data-table td{border-bottom:1px solid var(--line);padding:8px;text-align:left;white-space:nowrap}.data-table th{position:sticky;top:0;background:var(--soft)}.family-picker{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:22px}.family-picker button{font-size:12px;padding:8px 12px}.family-picker button.selected{background:var(--navy);color:white}.compare{display:flex;align-items:center;gap:10px;font-size:13px;flex-wrap:wrap;background:var(--soft);padding:14px;border-radius:6px;margin-top:15px}.compare select{font-size:12px;max-width:150px}.coverage-wrap{overflow:auto}.coverage-table{border-collapse:collapse;min-width:620px;font-size:11px}.coverage-table th,.coverage-table td{padding:9px;border:1px solid white}.coverage-table th{text-align:left;background:var(--soft)}.coverage-table td{background:#eff2f4;text-align:center}.coverage-table td.available{background:#d1e2ed;color:#174a70}.source-card{padding:17px;border:1px solid var(--line);border-radius:6px;margin-bottom:10px;overflow-wrap:anywhere}.source-card h3{font-size:17px;margin:0 0 10px}.source-card p{font-size:14px;color:var(--slate)}.source-card a{font-size:13px}.evidence-box{padding:13px;background:#e8eef3;border-radius:5px;font-size:13px;margin-bottom:18px}.loading{padding:35px;color:var(--slate)}.error{padding:30px;background:#fff0e9;border:1px solid #cf8965;border-radius:7px}.muted{color:var(--slate)}
@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr) 380px}.view{padding:32px}}@media(max-width:1100px){.intro{gap:35px}.workspace{grid-template-columns:minmax(0,1fr) 300px}.view{padding:20px}.detail{padding:20px}.reading{gap:30px}.header-actions{gap:12px}.header-actions a:first-child{display:none}.filters{gap:10px}.era-grid{grid-template-columns:1fr}.intro-actions button{font-size:14px}}@media(max-width:760px){main{padding:0 16px}.masthead{padding:17px 16px;gap:12px}.brand img{width:125px}.brand span{display:none}.header-actions a{display:none}.header-actions button{font-size:12px;padding:8px 11px}.intro{grid-template-columns:1fr;padding:38px 0 30px;gap:24px}h1{font-size:43px}.lead{font-size:18px}.edition{border-left:0;border-top:1px solid var(--sand);padding:20px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px}.edition strong{font-size:32px;margin:0}.edition p{margin:0}.edition #edition-counts{margin:0}.edition a{font-size:13px}.intro-actions{margin-top:22px}.intro-actions button{font-size:13px;padding:10px 12px}.view-tabs{padding:8px}.view-tabs button{padding:10px 16px}.filters{padding:16px;gap:12px}.filters label{flex:1;min-width:120px}.filters .search-label{flex-basis:100%}.filters select{width:100%;max-width:none}.temporal{padding:16px}.time-heading{flex-direction:column;font-size:12px}.time-controls{gap:10px;flex-wrap:wrap}.time-controls>label{order:1}.time-controls>button{order:2;margin-left:auto}.time-rail{order:3;flex-basis:100%}.workspace{display:flex;flex-direction:column;min-height:0}.view{padding:20px 16px}.detail{border-left:0;border-top:1px solid var(--line);padding:22px;max-height:none}.section-heading h2{font-size:23px}.era-grid,.case-grid{grid-template-columns:1fr}.era-card{min-height:140px}.graph-svg{min-height:300px}.reading{grid-template-columns:1fr;padding:35px 0;gap:12px}.tour-grid{grid-template-columns:1fr 1fr;gap:8px}.tour-card{font-size:12px;padding:12px;min-height:74px}.tour-card span{font-size:12px}.method-strip{grid-template-columns:1fr;gap:8px}.method-strip h2{font-size:25px}.event{grid-template-columns:78px 1fr}.event strong{font-size:14px}.chart{padding:14px}.chart h3{font-size:17px}.graph-list ul{grid-template-columns:1fr}.status{padding:12px 16px}footer{padding:25px 16px;gap:14px}.tour-bar{padding:12px}.tour-bar strong{flex-basis:100%}}
.graph-edge line{stroke:#a5b7c5;stroke-width:2}.graph-edge polygon{fill:transparent;stroke:transparent;stroke-width:0}.graph-edge.proposed line{stroke-dasharray:5 4}.graph-edge:hover line{stroke:#ae5d34;stroke-width:4}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}@media print{.masthead,.intro-actions,.view-tabs,.filters,.temporal,.tour-bar,.reading,.header-actions{display:none}.workspace{display:block}.detail{max-height:none}.view,.detail{break-inside:avoid}.atlas-shell{border:0;box-shadow:none}body{font-size:12px}.chart svg{max-height:260px}}

.atlas-page-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;max-width:1480px;margin:16px auto;padding:0 20px}.tour-question{flex-basis:100%;margin:0}.edition-note{padding:12px 20px}.atlas-fallback{padding:20px}.site-footer nav{display:flex;gap:12px;flex-wrap:wrap}#detail:focus{outline:3px solid #2766a4;outline-offset:2px}

/* Prevent intrinsic tour-label width from widening the mobile page. */
.reading>div{min-width:0}.tour-card{min-width:0;overflow-wrap:anywhere}
@media(max-width:480px){.tour-grid{grid-template-columns:1fr}}