/* Presence Atlas: optical field-guide edition. Local design proposal, 19 Sep 2026. */
:root{--sans:'Segoe UI',Arial,Helvetica,sans-serif;--paper:#f3f4ef;--ink:#172122;--muted:#54615c;--accent:#306049;--line:#ced4ca;--tint:#e5e9df;--electric:#d8fa78;--night:#111919;--night-muted:#b1bfb6;--mono:Consolas,'Courier New',monospace;--radius:0}
body{font-family:var(--sans);font-size:17px;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
::selection{background:var(--electric);color:var(--night)}
.wrap{max-width:1440px}
.review-bar{background:#24312c;color:#d0dacd;font-size:12px;padding:6px 30px}
.masthead{background:var(--night);color:#f2f5ed;border-bottom:1px solid #3a4540}
.masthead .wrap{min-height:86px}
.brand{font-size:28px;font-weight:750;letter-spacing:-.06em}
.brand i{font-family:inherit;font-style:normal;font-weight:350;color:inherit;margin-left:2px}
.brand-mark{filter:brightness(0) saturate(100%) invert(91%) sepia(55%) saturate(525%) hue-rotate(26deg);width:33px}
.nav a{font-weight:500;color:#ecf0e8}
.nav a:hover,.nav a[aria-current]{color:var(--electric)}
.nav a:last-child{background:var(--electric);color:var(--night);padding:12px 18px;border:1px solid var(--electric)}
.button,button{border-radius:0}
.button:hover{background:#3d694d;color:white}
.eyebrow{font:12px/1.6 var(--mono);font-weight:400;letter-spacing:.13em}
.section{padding-block:80px}
h1,h2,h3{font-weight:600;letter-spacing:-.045em}
.section-head h2{margin:0;font-size:clamp(2rem,3.4vw,3.2rem)}
.section-head>a,.text-link{font-size:14px;font-weight:600;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:6px;display:inline-block}
.observatory{background:var(--night);color:#f1f4ec;padding-bottom:0}
.edition-line{display:flex;justify-content:space-between;gap:20px;color:#b1bfb6;font:12px/1.6 var(--mono);letter-spacing:.09em;padding:25px 0;border-bottom:1px solid #39453e}
.exhibit-heading{display:grid;grid-template-columns:1.35fr 1fr;gap:60px;padding:45px 0 35px;align-items:end}
.exhibit-heading .eyebrow{color:var(--electric);margin-bottom:16px}
.exhibit-heading h1{font-size:clamp(3.3rem,6.7vw,6.7rem);font-weight:650;line-height:.99;letter-spacing:-.07em;margin:0;text-wrap:initial}
.exhibit-heading h1 em{font-style:normal;font-weight:350;color:var(--electric)}
.exhibit-intro{padding:0 0 4px;max-width:420px}
.exhibit-intro p{font-size:18px;line-height:1.6;color:#c8d2c8;margin-bottom:24px}
.exhibit-intro .button{background:var(--electric);color:var(--night);border:0;font-size:15px;gap:30px}
.exhibit-intro .text-link{margin-left:20px;color:#e3eadf}
.explorer-tabs{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid #435046;border-bottom:0}
.explorer-tabs button{color:#c1ccbf;background:transparent;border:0;border-right:1px solid #435046;justify-content:start;font-size:14px;font-weight:500;padding:17px 20px;gap:14px;min-width:0}
.explorer-tabs button:last-child{border-right:0}
.explorer-tabs button span{font:12px var(--mono);color:#9baa9c}
.explorer-tabs button[aria-selected=true]{background:var(--electric);color:var(--night)}
.explorer-tabs button[aria-selected=true] span{color:#354c21}
.explorer-tabs button:hover{background:#29372c}
.explorer-tabs button[aria-selected=true]:hover{background:var(--electric)}
.explorer-tabs button:focus-visible,.timeline-tabs button:focus-visible{outline:3px solid #e8fcba;outline-offset:-5px}
.explorer-panel{display:grid;grid-template-columns:1.3fr 1fr;background:#1b2721;border:1px solid #435046;min-height:405px}
.explorer-image{min-width:0;background:#0a1010;padding:0 0 15px}
.explorer-image .photo .image-open{height:340px;aspect-ratio:auto}
.explorer-image .photo img{width:100%;height:340px;object-fit:contain;transform:none}
.explorer-image .photo figcaption{padding:12px 18px 0;color:#b1bfb6;font-size:12px}
.explorer-image .source-photo figcaption .media-note{display:none}
.explorer-image .source-photo figcaption>span:nth-child(2){display:inline}
.explorer-image .source-photo figcaption .media-credit{margin-top:5px!important}
.explorer-image .source-photo .pending,.explorer-image .media-credit summary{color:#c8d6b6}
.explorer-copy{padding:32px 35px;min-width:0}
.explorer-copy .eyebrow{color:var(--electric);margin-bottom:13px}
.explorer-copy h2{font-size:clamp(1.9rem,3vw,2.8rem);line-height:1.08;max-width:430px;margin-bottom:18px}
.explorer-copy>p:not(.eyebrow){color:#c6d1c5;font-size:16px;line-height:1.6}
.explorer-copy dl{margin:23px 0;font-size:14px}
.explorer-copy dl>div{display:grid;grid-template-columns:115px 1fr;gap:16px;border-top:1px solid #445246;padding:12px 0}
.explorer-copy dt{color:#aabcaa}
.explorer-copy dd{margin:0;color:#eff4e9}
.explorer-links{display:flex;gap:13px 25px;flex-wrap:wrap}
.explorer-links a{font-size:14px;color:var(--electric);text-decoration:none}
.index-ribbon{display:flex;align-items:center;gap:44px;justify-content:start;padding:27px 0;font:12px/1.5 var(--mono);color:#c1cfbc}
.index-ribbon b{font-family:var(--sans);font-size:25px;font-weight:400;color:var(--electric);margin-right:9px}
.index-ribbon>span:last-child{margin-left:auto;letter-spacing:.06em}
.reading-card{border-top:1px solid var(--line);border-bottom:0;padding:24px 0 0}
.reading-card h3{font-size:1.7rem;line-height:1.16;font-weight:600}
.reading-card p{font-size:16px;line-height:1.65}
.reading-meta{color:#486044;font-size:12px;margin-bottom:15px;text-transform:uppercase}
.reading-card .read-link{padding-top:17px;font-size:14px}
.reading-card .source-photo figcaption .media-note{display:none}
.reading-card .source-photo figcaption{font-size:12px;min-height:0}
.reading-card .photo .image-open,.reading-card .photo img{height:235px}
.reading-card .media-credit p{padding:8px;background:var(--tint)}
.installation-feature{background:#20332b;color:#ecf4e8;padding:64px 0}
.installation-heading{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:32px;align-items:start;margin-bottom:35px}
.installation-heading .eyebrow{color:var(--electric)}
.installation-heading h2{font-size:2.8rem;margin:0}
.installation-heading>p:last-child{color:#c2d2c0;font-size:16px;line-height:1.65;margin:0}
.installation-grid{display:grid;grid-template-columns:1.18fr 1fr;gap:35px}
.installation-grid .source-photo .image-open{aspect-ratio:16/10}
.installation-grid .source-photo .media-note{color:#c4d1bf}
.installation-grid figcaption,.installation-grid .media-credit summary,.installation-grid .pending{color:#c0ceb8}
.installation-grid h3{margin:22px 0 10px;font-size:2rem}
.installation-grid h3 a{text-decoration:none}
.installation-grid article>p{color:#c2d2c0;font-size:16px}
.installation-feature .text-link{color:var(--electric);margin-top:14px}
.buying-path{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}
.buying-path h2{font-size:clamp(2.3rem,4vw,3.8rem);line-height:1.06;margin-bottom:24px}
.buying-path>div>p:not(.eyebrow){max-width:440px;color:var(--muted);font-size:17px}
.buying-path .button{margin-top:10px}
.buying-steps>a{display:grid;grid-template-columns:32px 1fr 24px;gap:20px;border-top:1px solid var(--line);padding:27px 0;color:var(--ink);text-decoration:none}
.buying-steps>a:last-child{border-bottom:1px solid var(--line)}
.buying-steps>a>span{font:13px var(--mono);color:var(--accent);padding-top:5px}
.buying-steps h3{font-size:1.6rem;margin:0 0 12px}
.buying-steps p{font-size:16px;color:var(--muted);margin:0;max-width:440px}
.buying-steps b{font-size:22px;font-weight:400}
.buying-steps a:hover h3{text-decoration:underline;text-underline-offset:5px}
.history-lab{background:#e3e8dc}
.timeline-tabs{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid #8c9f85;gap:0;margin-bottom:30px}
.timeline-tabs button{display:flex;flex-direction:column;align-items:start;gap:8px;min-width:0;border:0;border-bottom:3px solid transparent;background:transparent;padding:19px 20px;color:#4d604c}
.timeline-tabs button span{font:28px var(--mono);letter-spacing:-.06em}
.timeline-tabs button small{font:13px/1.5 var(--sans);text-align:left;font-weight:400}
.timeline-tabs button[aria-selected=true]{background:#243d2d;border-color:#243d2d;color:#e9fbc7}
.history-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.history-panel>div{min-width:0}
.history-panel .image-open{height:340px;aspect-ratio:auto}
.history-panel .photo img{height:340px;object-fit:contain;background:#101814}
.history-panel h3{font-size:2.5rem;line-height:1.15}
.history-panel p{font-size:17px;color:var(--muted)}
.history-panel p.eyebrow{font:12px var(--mono);color:var(--accent)}
.history-context{border-top:1px solid #bbc6b4;padding-top:18px;font-size:14px!important}
.history-panel .source-photo .media-note{display:none}
.latest-reading .workbench-invite{margin-top:70px}
.workbench-invite{background:#dce7cf;border-top:0;padding:43px}
.workbench-invite h2{font-size:2.5rem}
.page-head{border-bottom:1px solid var(--line);padding-top:55px;padding-bottom:34px}
.page-head h1{font-size:clamp(2.7rem,5.5vw,5rem);line-height:1.04}
.page-head .lede{font-size:18px;line-height:1.65;max-width:850px}
.filter-panel{background:#e7eadf;border:1px solid #c5cebc;padding:24px}
.filter-panel label{font-size:14px}
.filter-panel input,.filter-panel select{border-color:#adbaab}
.display-card{padding:25px;border-color:#c8d1c1;background:#fbfcf8;box-shadow:0 2px 0 #b4c0ad40}
.display-card-top .eyebrow{color:#486044}
.display-card>.source-photo .image-open{aspect-ratio:16/10;max-height:360px}
.display-card h3{font-size:2.05rem}
.display-card .maker{font-size:13px}
.display-card .source-photo .media-note{display:none}
.display-card>.source-photo figcaption{min-height:42px}
.display-card .source-photo{margin-bottom:10px}
.compare-check{font-size:14px}
.display-card .card-actions>a:first-child{background:#e1edce;padding:9px 13px;text-decoration:none}
.display-card .card-actions{align-items:center}
.article-layout{padding-top:36px;padding-bottom:70px;gap:64px;grid-template-columns:205px minmax(0,790px)}
.article-nav{border-left:2px solid #adc68f;padding-left:20px}
.article-nav strong{font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;display:block;margin-bottom:12px}
.article-nav a{line-height:1.5;font-size:14px;margin-bottom:12px}
.prose{font-family:var(--sans);font-size:18px;line-height:1.85}
.prose h2{font-size:2rem;margin-top:50px}
.prose .sources{padding-top:12px;border-top:1px solid var(--line);margin-top:40px}
.prose .related{padding:26px;background:#e4ebd9;margin-top:40px}
.prose .related h3{font-size:1.7rem}
.prose .related p{margin:0;font-size:16px}
.source-entry a{line-height:1.6}
.planner-controls,.checklist label{background:#fafcf6}
.planner-result,.budget-total,.compare-tray{background:#23392c}
.planner-result .eyebrow,.budget-total .eyebrow,.planner-result a{color:var(--electric)}
.budget-total{border-top:4px solid var(--electric)}
.checklist label:has(input:checked){background:#e0edcc}
.footer{background:#111b16;color:#edf4e6;border:0;padding-top:50px}
.footer p,.footer-bottom{color:#b7c5af}
.footer-bottom{border-color:#3d4c37}
.footer nav a:hover{color:var(--electric)}
.reading-progress{position:fixed;left:0;top:0;height:3px;background:var(--electric);width:0;z-index:100;pointer-events:none}
/* Context stays visible: a visualization is not an installation photograph. */
.source-photo figcaption .media-note{display:block!important;font-size:12px;line-height:1.5;margin-bottom:4px}
.explorer-image .source-photo .media-note{color:#c0ceba}
.history-panel .photo:has(img[src$="recording.svg"]) .image-open{background:#fff}
.history-panel .photo img[src$="recording.svg"]{background:white;padding:20px}
.observatory a:hover,.installation-feature a:hover{color:#efffd0}
.observatory .button:hover{color:var(--night);background:#e5ffae}
@media(min-width:1101px){.reading-grid{gap:35px}.display-grid{gap:30px}}
@media(max-width:1100px){.exhibit-heading{gap:30px}.exhibit-intro .text-link{display:block;width:max-content;margin:16px 0 0}.explorer-copy{padding:26px}.explorer-image .photo .image-open,.explorer-image .photo img{height:340px}.installation-heading{grid-template-columns:1fr 2fr}.installation-heading>p:last-child{grid-column:2}.buying-path{gap:50px}.index-ribbon{gap:25px}}
@media(max-width:800px){.masthead .wrap{min-height:73px}.nav{background:#142119;border-color:#465540}.menu-toggle{color:#edf4e7;border-color:#687462}.nav a:last-child{margin-top:6px}.exhibit-heading{grid-template-columns:1fr 1fr;padding:36px 0}.exhibit-heading h1{font-size:3.8rem}.exhibit-intro p{font-size:16px}.edition-line{font-size:11px;gap:15px}.explorer-tabs button{padding:14px 11px;gap:6px;font-size:13px}.explorer-tabs button span{display:none}.explorer-panel{grid-template-columns:1.1fr 1fr}.explorer-copy{padding:24px}.explorer-copy h2{font-size:2rem}.explorer-copy dl>div{display:block}.explorer-copy dt{margin-bottom:5px}.explorer-image .photo .image-open,.explorer-image .photo img{height:340px}.index-ribbon{gap:24px;flex-wrap:wrap}.index-ribbon>span:last-child{display:none}.section{padding-block:55px}.installation-grid{gap:24px}.installation-heading h2{font-size:2.4rem}.installation-grid h3{font-size:1.6rem}.buying-path{gap:32px}.buying-steps>a{gap:14px;grid-template-columns:22px 1fr 18px;padding:23px 0}.buying-steps h3{font-size:1.4rem}.history-panel{gap:28px}.history-panel h3{font-size:2rem}.timeline-tabs button{padding:15px 12px}.timeline-tabs button small{font-size:12px}.history-panel .image-open,.history-panel .photo img{height:280px}.article-layout{display:block}.article-nav{border-left:0;border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:32px}.latest-reading .workbench-invite{margin-top:45px}}
@media(max-width:600px){.exhibit-heading{grid-template-columns:1fr;gap:26px;padding:32px 0}.exhibit-heading h1{font-size:clamp(3.3rem,12vw,4.4rem)}.exhibit-heading .eyebrow{font-size:12px}.exhibit-intro{max-width:none}.exhibit-intro p{max-width:400px;margin-bottom:20px}.exhibit-intro .text-link{display:inline-block;margin:0 0 0 15px;font-size:13px}.exhibit-intro .button{gap:16px;padding-inline:17px}.edition-line{padding:18px 0}.edition-line>span:last-child{display:none}.explorer-tabs{grid-template-columns:repeat(3,1fr)}.explorer-tabs button{font-size:13px;padding:12px 9px;justify-content:center;border-bottom:1px solid #435046}.explorer-tabs button:nth-child(3){border-right:0}.explorer-tabs button:last-child{grid-column:span 2}.explorer-panel{grid-template-columns:1fr}.explorer-image .photo .image-open,.explorer-image .photo img{height:265px}.explorer-copy{padding:27px 23px}.explorer-copy h2{font-size:2.25rem;max-width:340px}.explorer-copy dl>div{display:grid;grid-template-columns:90px 1fr;gap:15px}.explorer-copy dt{margin:0}.explorer-links{gap:16px}.explorer-links a{font-size:14px}.index-ribbon{gap:20px;justify-content:space-between;padding:23px 0}.index-ribbon span{font-size:11px}.index-ribbon b{display:block;margin:0;font-size:24px}.installation-feature{padding:45px 0}.installation-heading{display:block}.installation-heading h2{margin:18px 0 24px;font-size:2.6rem}.installation-grid{grid-template-columns:1fr;gap:30px}.installation-grid h3{font-size:1.8rem}.installation-feature .text-link{font-size:14px}.buying-path{grid-template-columns:1fr;gap:34px}.buying-path h2{font-size:3rem}.buying-steps h3{font-size:1.55rem}.history-panel{grid-template-columns:1fr;gap:24px}.history-panel h3{font-size:2.2rem}.timeline-tabs{overflow:auto;grid-template-columns:repeat(5,minmax(83px,1fr));margin-bottom:24px;padding-bottom:8px}.timeline-tabs button{padding:13px 12px}.timeline-tabs button small{display:none}.timeline-tabs button span{font-size:23px}.history-panel .image-open,.history-panel .photo img{height:270px}.workbench-invite{padding:28px}.workbench-invite h2{font-size:2.2rem}.display-card{padding:22px}.article-layout{padding-top:25px}.page-head{padding-top:36px}.page-head h1{font-size:2.7rem}.footer .brand{font-size:28px}.selected-notes .reading-grid,.latest-reading .reading-grid{grid-template-columns:1fr}.reading-card .photo .image-open,.reading-card .photo img{height:250px}}
@media(max-width:360px){.exhibit-intro .text-link{display:block;margin:18px 0 0;width:max-content}.exhibit-heading h1{font-size:3rem}.explorer-image .photo .image-open,.explorer-image .photo img{height:230px}.explorer-copy{padding:24px 19px}.explorer-copy h2{font-size:2rem}.explorer-tabs button{font-size:12px}.index-ribbon{gap:10px}.brand{font-size:23px}.brand-mark{width:29px}.timeline-tabs{grid-template-columns:repeat(5,minmax(75px,1fr))}}
@media(prefers-reduced-motion:no-preference){.explorer-panel:not([hidden]),.history-panel:not([hidden]){animation:panel-in .26s ease-out}@keyframes panel-in{from{opacity:.55;transform:translateY(5px)}to{opacity:1;transform:none}}}
@media print{.observatory,.installation-feature,.history-lab,.footer{background:white;color:black}.explorer-tabs,.timeline-tabs,.reading-progress{display:none}.explorer-panel,.history-panel{display:block;border:0}.explorer-copy p,.explorer-copy dd,.explorer-copy dt{color:black}.review-bar{display:none}}