@font-face{font-family:Manrope;src:url('/manrope-500.ttf') format('truetype');font-weight:500;font-display:swap}
@font-face{font-family:Manrope;src:url('/manrope-700.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'DM Sans';src:url('/dm-sans-400.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'DM Sans';src:url('/dm-sans-500.ttf') format('truetype');font-weight:500;font-display:swap}
:root{--bg:#111e32;--deep:#0b1525;--ink:#edf1f7;--muted:#a7b6cc;--blue:#97bcf9;--copper:#efb99b;--line:#a7b6cc36;--body:'DM Sans','Segoe UI',sans-serif;--display:Manrope,sans-serif;--mono:Consolas,monospace;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,summary{cursor:pointer}button{font:inherit;color:inherit}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--copper);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--display);font-weight:500}em{font-family:Georgia,serif;font-weight:400;color:var(--copper)}.shell{max-width:1600px;margin:auto;padding:0 5%}.draft{background:#080f1b;color:var(--copper);text-align:center;padding:8px 20px;font:10px/1.6 var(--mono);letter-spacing:.08em}.mast{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font:700 20px var(--display);letter-spacing:.13em}.brand svg{width:29px;height:29px}.mast nav{display:flex;gap:30px;font-size:13px;color:var(--muted)}.mast nav a[aria-current]{color:var(--ink);border-bottom:1px solid var(--copper)}.nav-label{font:10px var(--mono);color:var(--muted)}.skip{position:fixed;top:-100px;left:15px;padding:12px;background:var(--ink);color:var(--deep);z-index:20}.skip:focus{top:10px}.eyebrow{font:10px/1.6 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}.eyebrow:before{content:'';display:inline-block;vertical-align:middle;width:23px;height:1px;background:currentColor;margin-right:12px}
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.feature{background:#dfe7ef;color:#15263f;padding:62px 0}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.feature .eyebrow{color:#52627a}.feature h2{font-size:clamp(35px,3.5vw,56px);line-height:1.14;letter-spacing:-.05em;margin:19px 0}.feature h2 em{color:#815c45}.feature p.copy{color:#52627a;font-size:15px;max-width:425px;margin:20px 0}.feature .quiet-link{border-color:#52627a;display:inline-block}.exhibit{border:1px solid #15263f38;background:#eaf0f5;padding:23px;border-radius:4px}.exhibit-tabs{display:flex;border-bottom:1px solid #15263f38;margin-bottom:26px}.exhibit-tabs button{background:none;color:#52627a;border:0;border-bottom:2px solid transparent;padding:9px 12px;font-size:11px;flex:1}.exhibit-tabs button[aria-pressed=true]{color:#15263f;border-bottom-color:#815c45}.exhibit-scenes{display:grid;grid-template-columns:1fr 34px 1fr;align-items:center;gap:9px}.proof-sheet{padding:17px;border:1px solid #15263f3a;min-height:135px}.proof-sheet small,.window small{font:9px var(--mono);letter-spacing:.06em;display:block;color:#52627a}.proof-sheet .test{font-size:11px;border-bottom:1px solid #15263f16;padding:6px 0;display:flex;justify-content:space-between;gap:9px}.test i{font-style:normal;color:#49776e}.exhibit-arrow{font-size:21px;color:#7d8ca0}.window{border:1px solid #15263f3a;min-height:135px;position:relative;transition:border-color .3s}.window-bar{height:18px;border-bottom:1px solid #15263f38;padding:4px 9px;display:flex;gap:4px}.window-bar i{width:3px;height:3px;border-radius:50%;background:#94a6ba}.window-body{display:flex;gap:11px;padding:15px}.window-rail{width:20%;height:62px;background:#a7b6cc66}.window-main{flex:1}.window-main span{display:block;height:7px;background:#a7b6cc66;margin-bottom:7px}.window-main span:nth-child(2){width:75%}.window-main span:last-child{height:28px;border:1px solid #a7b6cc;background:none}.window small{font-size:8px;text-align:center;margin-bottom:12px}.check-ring{position:absolute;inset:-8px;border:1px solid #815c45;border-radius:5px;opacity:0;transition:opacity .3s}.exhibit[data-view=result] .check-ring{opacity:1}.exhibit[data-view=result] .proof-sheet{opacity:.55}.exhibit-caption{border-top:1px solid #15263f38;margin-top:25px;padding-top:16px;min-height:77px;font-size:13px;color:#52627a}.exhibit-caption strong{color:#15263f;display:block;font-weight:500}.exhibit .schematic{margin-top:15px;font:8px/1.5 var(--mono);color:#52627a;letter-spacing:.05em}
.history-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:8%;padding-top:84px;padding-bottom:70px}.history-nav{position:sticky;top:35px;align-self:start}.history-nav h2{font:11px var(--mono);letter-spacing:.1em;margin-bottom:28px;color:var(--muted)}.history-nav a{display:block;padding:15px 0 15px 18px;border-left:1px solid var(--line);font-size:13px;color:var(--muted)}.history-nav a small{display:block;font:10px var(--mono);margin-bottom:4px}.history-nav a.active{border-color:var(--copper);color:var(--ink)}.history-nav .index-note{font-size:11px;max-width:165px;margin:25px 0;color:var(--muted)}.history-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:38px}.history-head h2{font-size:36px;letter-spacing:-.05em;line-height:1.15}.expand-all{font-size:11px;background:none;border:1px solid var(--line);padding:9px 12px;white-space:nowrap}.era-heading{font:10px var(--mono);letter-spacing:.17em;color:var(--copper);margin:36px 0 20px;padding-left:31px}.timeline{position:relative}.timeline:before{content:'';position:absolute;left:5px;top:0;bottom:0;width:1px;background:linear-gradient(var(--blue),var(--copper),var(--blue))}.chapter{position:relative;margin-left:32px;border-bottom:1px solid var(--line)}.chapter:before{content:'';position:absolute;left:-31px;top:33px;width:9px;height:9px;background:var(--bg);border:1px solid var(--copper);border-radius:50%;z-index:1}.chapter[open]:before{background:var(--copper);box-shadow:0 0 0 5px #efb99b15}.chapter summary{list-style:none;padding:25px 0 30px;display:block}.chapter summary::-webkit-details-marker{display:none}.chapter-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:12px}.chapter-top time{font:10px var(--mono);color:var(--muted)}.kind{font:9px var(--mono);color:var(--copper);letter-spacing:.05em}.chapter-title{display:flex;align-items:start;gap:20px;justify-content:space-between}.chapter h3{font-size:clamp(26px,2.5vw,38px);line-height:1.18;letter-spacing:-.04em;max-width:650px}.chapter .plus{font:24px/1 var(--body);color:var(--muted);min-width:22px;text-align:center;transition:transform .2s}.chapter[open] .plus{transform:rotate(45deg);color:var(--copper)}.chapter-deck{color:var(--muted);font-size:14px;max-width:600px;margin:15px 0}.chapter-lesson{font-size:12px;color:#d0dceb;padding-left:14px;border-left:2px solid #efb99b66;max-width:590px}.chapter-lesson small{display:block;font:8px var(--mono);letter-spacing:.09em;color:var(--muted);margin-bottom:5px}.read-hint{display:block;margin-top:17px;font:10px var(--mono);color:var(--blue)}.chapter[open] .read-hint{display:none}.chapter-body{padding:0 0 30px}.chapter-body .body-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px}.chapter-body h4{font:10px var(--mono);color:var(--copper);text-transform:uppercase;letter-spacing:.08em;margin:0 0 9px}.chapter-body p{font-size:14px;line-height:1.8;color:var(--muted)}.chapter-body .change{grid-column:1/-1;padding:22px 24px;border-left:1px solid var(--blue);background:#a7b6cc09}.evidence-note{margin-top:24px;border:1px solid var(--line);padding:13px 17px}.evidence-note summary{padding:0;font-size:11px;color:var(--muted);list-style:revert;display:list-item}.evidence-note summary::-webkit-details-marker{display:initial}.evidence-note p{font-size:12px;margin-top:14px}.evidence-note .limit{color:var(--ink)}
.record-note{background:var(--deep);border-top:1px solid var(--line);padding:62px 0}.record-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:11%}.record-note h2{font-size:38px;line-height:1.2;letter-spacing:-.04em;margin:15px 0}.record-note p{font-size:14px;color:var(--muted)}.record-note .record-points p{padding:16px 0;border-bottom:1px solid var(--line)}.record-points strong{display:block;color:var(--ink);font-weight:500;margin-bottom:5px}.end{padding:65px 0 27px}.end h2{font-size:50px;letter-spacing:-.05em;line-height:1.15;margin:15px 0 23px}.end-row{display:flex;justify-content:space-between;align-items:center;gap:30px}.footer{margin-top:60px;display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding-top:20px;font:9px/1.6 var(--mono);color:var(--muted)}
@media(min-width:1600px){.intro{min-height:700px}.intro h1{font-size:88px}}
@media(max-width:1000px){.intro{gap:15px;min-height:580px}.intro h1{font-size:58px}.nav-label{display:none}.history-layout{grid-template-columns:160px minmax(0,1fr);gap:5%}.feature-grid{gap:30px}.exhibit{padding:17px}.proof-sheet{padding:12px}.feature h2{font-size:40px}.history-head h2{font-size:30px}.chapter-body .body-grid{grid-template-columns:1fr}.record-grid{gap:7%}.intro .deck{font-size:15px}}
@media(max-width:650px){.shell{padding:0 6%}.draft{font-size:8px;padding:8px 15px}.mast{height:72px}.brand{font-size:16px;gap:8px}.brand svg{width:24px}.mast nav{gap:15px;font-size:11px}.mast nav a:last-child{display:none}.intro{display:block;padding:47px 0 29px}.intro h1{font-size:55px;margin:20px 0}.intro .deck{font-size:15px;max-width:345px}.intro-links{gap:23px;margin-top:25px}.primary{font-size:12px;padding:12px 17px}.quiet-link{font-size:12px}.sculpture{margin:15px -5px 0}.sculpture svg{max-height:290px}.sculpture .artifact-note{font-size:8px;margin-top:-5px}.era-controls{margin-top:23px}.era-controls button{font-size:11px;padding:10px 5px}.era-note{font-size:13px;min-height:65px}.intro-bottom{font-size:8px;padding-bottom:25px}.intro-bottom span:last-child{max-width:145px;text-align:right}.feature{padding:44px 0}.feature-grid{display:block}.feature h2{font-size:39px}.feature p.copy{font-size:14px}.exhibit{margin-top:30px;padding:20px 16px}.exhibit-scenes{gap:6px;grid-template-columns:1fr 22px 1fr}.proof-sheet{padding:12px;min-height:132px}.proof-sheet .test{font-size:10px}.exhibit-tabs button{padding:8px 4px;font-size:10px}.window-main span:last-child{height:21px}.history-layout{display:block;padding-top:42px;padding-bottom:45px}.history-nav{position:static;display:flex;flex-wrap:wrap;margin-bottom:36px}.history-nav h2{width:100%;margin-bottom:15px;font-size:9px}.history-nav a{flex:1;border-left:0;border-top:1px solid var(--line);padding:11px 5px;font-size:10px}.history-nav a small{font-size:9px}.history-nav .index-note{display:none}.history-head{align-items:center;gap:12px}.history-head h2{font-size:30px}.expand-all{padding:8px;font-size:9px}.era-heading{padding-left:23px;font-size:9px}.chapter{margin-left:23px}.chapter:before{left:-22px}.chapter summary{padding-top:24px;padding-bottom:26px}.chapter h3{font-size:29px}.chapter-title{gap:10px}.chapter-top time{font-size:9px}.kind{font-size:8px}.chapter-deck{font-size:13px}.chapter-lesson{font-size:12px}.chapter-body .body-grid{gap:22px}.chapter-body p{font-size:13px}.chapter-body .change{padding:18px}.evidence-note{padding:12px}.evidence-note summary{font-size:10px}.record-note{padding:43px 0}.record-grid{display:block}.record-note h2{font-size:36px}.record-points{margin-top:20px}.record-note p{font-size:13px}.end{padding-top:44px}.end-row{display:block}.end h2{font-size:41px}.footer{margin-top:35px;font-size:8px}.footer span:last-child{max-width:140px;text-align:right}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}


/* Archive enhancement: native timeline stays intact without scripts. */
[hidden]{display:none!important}
.archive-controls{margin:0 0 40px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.archive-controls>label{display:block;font:500 clamp(25px,2.4vw,35px)/1.2 var(--display);letter-spacing:-.04em;color:var(--ink)}
.search-intro{font-size:13px;color:var(--muted);max-width:520px;margin:12px 0 22px}
.search-field{display:flex;gap:14px;align-items:center;padding:14px 17px;background:var(--deep);border:1px solid #a7b6cc70;border-radius:3px}
.search-field:focus-within{border-color:var(--copper);outline:1px solid var(--copper);outline-offset:3px}
.search-field svg{width:20px;height:20px;flex-shrink:0;fill:none;stroke:var(--copper);stroke-width:1.5}
.search-field input{font:15px/1.5 var(--body);border:0;background:none;color:var(--ink);width:100%;min-width:0;outline:none}
.search-field input::placeholder{color:var(--muted);opacity:1}
.search-field button,.search-feedback button{background:none;border:0;font:11px var(--body);color:var(--blue);white-space:nowrap;padding:5px}
.topic-filters{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0}
.topic-filters button{font:11px/1.5 var(--body);background:transparent;border:1px solid var(--line);border-radius:2px;padding:8px 12px;color:var(--muted)}
.topic-filters button[aria-pressed=true]{background:#d8e3f4;border-color:#d8e3f4;color:#162136}
.topic-filters button:hover{border-color:var(--copper)}
.search-feedback{display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--muted);font:10px/1.6 var(--mono);min-height:30px}
#search-empty{padding:28px 0 10px}#search-empty h3{font-size:24px}#search-empty p{font-size:14px;color:var(--muted);margin-top:10px;max-width:450px}
.chapter .search-excerpt{padding:14px 16px;margin:17px 0 0;background:#97bcf910;border-left:1px solid var(--blue);font-size:13px;color:var(--ink)}
.reading-routes{margin-top:36px;border-top:1px solid var(--line);padding-top:23px}.reading-routes h2{font-size:9px!important;margin-bottom:12px!important}
.history-nav .reading-routes a{padding:12px 0;border:0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.6;display:flex;gap:15px;justify-content:space-between}.reading-routes span{color:var(--copper)}
@media(max-width:650px){.reading-routes{display:none}.search-field{gap:9px;padding:13px 11px}.search-field input{font-size:16px}.search-field button{font-size:10px;white-space:normal;max-width:42px}.topic-filters{gap:6px}.topic-filters button{padding:8px 9px;font-size:10px}.search-intro{font-size:12px}.search-feedback{font-size:9px}.archive-controls{margin-bottom:24px}.chapter-top{align-items:flex-start}.kind{text-align:right;max-width:45%;line-height:1.5}}