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/* Second edition — museum atlas, dimensional model and mobile time scrubber. */
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@media(max-width:1050px){.hero{padding-top:35px;gap:5%;min-height:660px}.hero h1{font-size:92px}.hero-figure{min-height:565px}.hero-copy{padding-top:15px}.hero-lead{font-size:23px}.hero-index{gap:20px}.hero-index b{font-size:24px}.hero-actions{gap:12px}.hero .text-button{font-size:10px}.atlas-grid{grid-template-columns:1.4fr 1fr;gap:18px}.illustration{min-height:330px}.scene-pin b{font-size:9px;padding:3px 5px}.scene-pin span{width:23px;height:23px;font-size:9px}.scene-pin{gap:3px}.card-body{padding:20px}.card-body h3{font-size:29px}.era-stories article{padding:23px 20px}.era-stories h3{font-size:22px}.phase-notes{gap:24px}.phase-figure figcaption{gap:20px}.phase-figure figcaption b{min-width:180px;font-size:8px}.archive-item .image-wrap{height:200px}.emblem-section{margin:0 5%;padding-left:5%;padding-right:5%}}
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/* Third edition — vellum, engraved ornaments, and touch-first layouts. */
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@media(max-width:1100px){.topbar .desktop-nav{gap:20px}.topbar .desktop-nav a{font-size:11px}.hero h1{font-size:clamp(77px,9vw,108px)}}
@media(max-width:820px){.topbar{padding:12px 5%;min-height:76px;gap:12px}.topbar .brand{margin-right:auto;font-size:11px;letter-spacing:.13em}.topbar .brand small{font-size:8px}.brand-crest{width:37px;height:45px}.desktop-nav{display:none}.mobile-menu{display:block;position:static;border:0;padding:0;flex:0 0 auto}.mobile-menu summary{list-style:none;width:44px;height:44px;display:grid;place-items:center;background:#eee0c1;border:1px solid #c2aa76;font-size:23px;color:#374832;line-height:1}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu[open]{border:0}.mobile-menu[open] summary{background:#304733;color:#f3e8d0}.mobile-menu nav{position:absolute;top:calc(100% - 1px);left:0;right:0;display:flex;flex-direction:column;gap:0;background:#f7edd9;box-shadow:0 16px 22px #3a3a2820;border-top:1px solid #c3a873;border-bottom:2px solid #b29965;padding:10px 5% 18px}.mobile-menu nav a{display:flex!important;justify-content:space-between;align-items:center;min-height:49px;padding:9px 12px;border-bottom:1px solid #d8c7a2;text-decoration:none;font-size:14px!important;letter-spacing:0}.mobile-menu nav a span{font:italic 19px Georgia;color:#aa8c50}.topbar>.icon-button{width:44px;height:44px;font-size:25px;flex:0 0 auto}.topbar>.icon-button:hover{background:#eaddbe}}
@media(max-width:760px){html{scroll-padding-top:91px}body{font-size:16px;line-height:1.75}a{overflow-wrap:anywhere}.topbar .brand{gap:10px;min-width:0}.brand-crest{width:35px;height:43px}.hero{padding:30px 6% 38px;overflow:hidden}.hero:before{bottom:17px;font-size:70px}.hero:after{left:auto;right:-40px;top:16px;bottom:auto;width:160px;height:160px;opacity:.12}.hero .eyebrow{font-size:9px;line-height:1.8;letter-spacing:.12em}.hero h1{font-size:clamp(78px,23vw,104px);margin:27px 0}.hero-lead{font-size:24px;line-height:1.5}.hero-description{font-size:15px;line-height:1.8;max-width:none;margin-top:18px}.hero-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:25px}.hero-actions .button{font-size:14px;min-height:52px;padding:15px 20px;justify-content:space-between}.hero .text-button{font-size:13px;min-height:46px;justify-self:start}.hero-index{gap:23px;font-size:11px;line-height:1.5;margin-top:23px}.hero-index span{display:flex;align-items:center;gap:4px;max-width:145px}.hero-index b{font-size:27px;margin-right:3px}.hero-figure{min-height:390px;border-radius:170px 170px 3px 3px;margin:0 6px}.hero-photo-title span{font-size:clamp(27px,8vw,39px);letter-spacing:.06em}.hero-photo-title small{font-size:10px;letter-spacing:.14em}.hero-figure figcaption{font-size:10px;line-height:1.7;right:20px;bottom:18px}.hero-photo-title{bottom:79px}.photo-corner{font-size:10px}.intro-strip{padding:27px 6%;gap:16px}.intro-strip p{font-size:13px;line-height:1.8}.intro-strip>a{font-size:12px;text-align:left}.intro-strip .star{font-size:33px}.section{padding:49px 5%}.section-heading{margin-bottom:25px}.section-heading .eyebrow,.eyebrow{font-size:10px;letter-spacing:.12em}.section-heading h2,.method-section>h2{font-size:clamp(32px,8.8vw,42px);line-height:1.18}.section-heading 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h3{font-size:clamp(29px,8vw,36px);line-height:1.17;margin-top:18px}.card-kicker{font-size:12px;line-height:1.7;margin-top:10px}.card-body>p{font-size:15px;line-height:1.85}.card-facts{margin-top:22px}.card-facts li{font-size:14px;line-height:1.85;padding:14px 0}.card-facts b{font-size:15px}.inline-citation,.inline-citation a{font-size:12px;line-height:1.75}.card-caution{font-size:12px;line-height:1.85;padding:13px;margin-top:18px}.card-source{font-size:10px;line-height:1.8}.card-source a{font-size:12px;line-height:1.75;margin-top:9px}.image-open-label{font-size:11px;padding:7px 10px}.era-stories{margin-top:27px}.era-stories article{padding:24px 22px}.era-stories .eyebrow{font-size:10px;line-height:1.7}.era-stories h3{font-size:28px;line-height:1.2;margin:13px 0}.era-stories p{font-size:14px;line-height:1.85}.interpretation-tag{font-size:9px}.era-stories .inline-citation{margin-top:13px}.phase-figure img{min-height:0;height:auto;aspect-ratio:3/1}.phase-figure 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a{font-size:12px;line-height:1.75;margin-top:14px}.comparison-tabs{display:grid;grid-template-columns:1fr;gap:7px;margin-bottom:20px}.comparison-tabs button{min-height:46px;font-size:13px;text-align:left;padding:12px 15px}.comparison-layout{min-width:0}.compare-picture{padding:6px}.compare-picture .photo-open img{height:clamp(250px,75vw,350px)}.compare-picture .photo-switch{top:14px;left:14px;right:14px;max-width:calc(100% - 28px);padding:3px;width:calc(100% - 28px)}.photo-switch button{min-height:43px;font-size:11px;padding:8px 9px;line-height:1.5;flex:1}.compare-picture figcaption{font-size:12px;line-height:1.8;padding:14px 10px 10px}.compare-text h3{font-size:32px;line-height:1.2}.compare-text>p{font-size:14px;line-height:1.85}.note{font-size:13px;line-height:1.85}.compare-text>a{font-size:12px}.archive-filters{gap:6px}.archive-filters button{font-size:12px;min-height:45px;padding:9px 12px}.archive-grid{grid-template-columns:1fr;gap:28px}.archive-item{padding-bottom:22px}.archive-item .image-wrap{height:clamp(215px,68vw,310px);padding:9px}.archive-item .eyebrow{font-size:10px;line-height:1.7;margin-top:17px}.archive-item h3{font-size:29px;line-height:1.2;margin:12px 0}.archive-item p{font-size:14px;line-height:1.85}.archive-item .expand{font-size:12px;min-height:34px;display:flex;align-items:center}.emblem-section{padding:44px 6%;margin:0 5%}.emblem-section h2{font-size:40px}.emblem-section>div>p:not(.eyebrow):not(.inline-citation){font-size:14px;line-height:1.85}.method-grid{gap:29px}.method-grid h3{font-size:28px;line-height:1.2}.method-grid p{font-size:14px;line-height:1.85}.method-grid .status{font-size:9px}details{padding:19px 0}summary{font-size:14px;line-height:1.7;min-height:30px}details p{font-size:14px;line-height:1.85}.source-row{grid-template-columns:27px minmax(0,1fr) 16px;gap:10px;padding:19px 3px}.source-row b{font-size:14px;line-height:1.6}.source-row small{font-size:12px;line-height:1.85;margin-top:9px}.source-row>span:first-child{font-size:23px}.credits{font-size:12px;line-height:1.85;margin-top:25px}footer{padding:29px 6%;gap:20px}footer .brand{font-size:11px}footer>a:last-child{font-size:13px;min-height:44px;display:flex;align-items:center}.tour-bar{position:relative;bottom:auto;display:grid;grid-template-columns:1fr auto;gap:10px;padding:16px;margin-top:25px;scroll-margin-bottom:12px}.tour-bar p{grid-column:1 / -1;font-size:14px;line-height:1.8;min-width:0;grid-row:2}.tour-bar>span{font-size:24px}.tour-bar .button{grid-row:3;grid-column:1 / -1;width:100%;min-height:48px;font-size:13px}.tour-bar .icon-button{grid-column:2;grid-row:1;width:44px;height:44px}.tour-bar[hidden]{display:none}dialog{max-width:calc(100vw - 20px);width:calc(100vw - 20px);max-height:calc(100dvh - 24px);padding:57px 14px 22px;overflow:auto;overscroll-behavior:contain}dialog img{max-height:52dvh;width:auto;max-width:100%;object-fit:contain}.dialog-close{top:6px;right:8px;width:44px;height:44px;font-size:32px;background:#f3e5c8;border:1px solid #c9af76}#dialog-caption{padding-top:18px;margin-top:20px;font-size:13px;line-height:1.85}#dialog-caption h3{font-size:27px;line-height:1.2}#dialog-caption a{font-size:12px;line-height:1.75}.toast{font-size:13px;width:max-content;max-width:calc(100vw - 28px);line-height:1.7;padding:13px 16px;bottom:calc(15px + env(safe-area-inset-bottom))}}
@media(max-width:380px){.topbar{padding-left:4%;padding-right:4%;gap:8px}.topbar .brand{font-size:10px;gap:8px;letter-spacing:.1em}.topbar .brand small{font-size:7px;letter-spacing:.18em}.brand-crest{width:31px;height:39px}.topbar>.icon-button,.mobile-menu summary{height:42px;width:42px}.hero h1{font-size:80px}.hero-lead{font-size:22px}.hero-figure{min-height:355px}.hero-index{gap:16px;font-size:10px}.hero-photo-title span{font-size:27px}.section-heading h2,.method-section>h2{font-size:33px}.era-heading h3{font-size:25px}.era-nav button{width:37px}.map-top{font-size:7px}.map-bottom{font-size:9px}.scene-pin.selected b{font-size:11px;max-width:105px;white-space:normal}.scene-tools button{height:42px;width:42px}.scene-hint{font-size:9px}.object-list button{font-size:11px;padding:10px}.card-body{padding:22px 18px}.archive-filters button{font-size:11px;padding:9px 10px}.photo-switch button{font-size:10px}.timeline button{flex-basis:110px}}
@media(pointer:coarse){button,a,summary{-webkit-tap-highlight-color:#b4965840}.scene-tools button,.era-nav button{min-height:44px}.archive-item .expand{padding-top:7px}}
@media(prefers-reduced-motion:reduce){.topbar{backdrop-filter:none}.hero .primary,.photo-open img{transition:none}}

/* Keep the hero photo and its touch target filling the arched frame. */
.hero-figure > .hero-photo-open{position:absolute;inset:0;display:block;width:100%;height:100%;cursor:zoom-in}
.hero-figure > .hero-photo-open > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}