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@media(max-width:760px){.parameter-strip>div:nth-child(2) strong{font-size:22px;white-space:nowrap}}

.record-title{grid-template-columns:1fr}.record-title h1 .status-ref{display:inline-block;vertical-align:top;margin-left:.25em;font:400 .22em/1 var(--mono);letter-spacing:0;text-decoration:none}footer{flex-wrap:wrap}.status-footnote{flex-basis:100%;max-width:110ch;margin:8px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:10px;line-height:1.8;scroll-margin-top:24px}

/* Planet interpretations retain the evidence record's typography and spacing. */
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@media(prefers-reduced-motion:reduce){.planet-image img{transition:none}}

button.planet-image{display:block;width:100%;padding:0;border:0;border-radius:0;text-align:left}button.planet-image:focus-visible{outline-offset:5px}.dialog-media>.planet-detail{width:100%;max-height:72vh;object-fit:contain}
@media(max-width:420px){nav{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 18px;font-size:10px;white-space:nowrap}.nav-inner{padding-bottom:0}}
/* Data inspection: invisible hit areas keep the printed plots quiet. */
.chart-hit,.chart-surface{cursor:crosshair;outline:none}.chart-hit.is-inspected,.chart-hit:focus-visible{fill:#ffffff12;stroke:#fff;stroke-width:1;vector-effect:non-scaling-stroke}.chart-surface:focus-visible{stroke:#888;stroke-width:1}.chart-tooltip{position:fixed;z-index:10000;max-width:min(420px,calc(100vw - 16px));padding:15px 17px;border:1px solid #777;background:#080808;color:#fff;pointer-events:none;font:11px/1.6 var(--mono);margin:0}.chart-tooltip[hidden]{display:none}.chart-tooltip>strong{display:block;padding-bottom:9px;margin-bottom:8px;border-bottom:1px solid #444;font-size:12px;overflow-wrap:anywhere}.chart-tooltip>div{display:flex;justify-content:space-between;gap:22px}.chart-tooltip span{color:#aaa}.chart-tooltip b{font-weight:400;text-align:right}.centroid-evidence{display:grid;gap:44px;margin:32px 0}.centroid-evidence>figure:first-child{max-width:860px}.centroid-evidence>figure:last-child{padding-top:24px;border-top:1px solid #444}.centroid-evidence figcaption{max-width:100ch}
/* A typographic closing signature, in the same monochrome materials. */
.site-footer{display:block;padding:36px 0 28px;overflow:hidden;border-top:1px solid #777}.footer-masthead{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.footer-star{width:40px;height:40px;transform:rotate(var(--star-turn,0deg))}.footer-star path{transform-origin:40px 40px}.site-footer.in-view .footer-star path{animation:star-breathe 4s ease-in-out infinite}.footer-masthead .back-top{font:32px/1 var(--mono);text-decoration:none}.footer-wordmark{color:#fff;width:100%;overflow:hidden;line-height:.82;padding-bottom:.07em;font:800 clamp(62px,19.5vw,282px)/.82 "Barlow Condensed",sans-serif;letter-spacing:-.018em;white-space:nowrap}.footer-wordmark span{display:block;transform:translateY(var(--footer-shift,0px))}.footer-links{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:28px 0 34px;border-bottom:1px solid #555;font-size:12px}.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}.footer-links a:nth-child(2){text-align:center}.footer-links a:last-child{text-align:right}.site-footer .status-footnote{max-width:115ch;border:0;padding:22px 0 0;margin:0;color:#888;font-size:10px;line-height:1.8}
@keyframes star-breathe{50%{transform:scale(.76);opacity:.6}}
@media(max-width:760px){.footer-wordmark{font-size:19vw}.footer-links{font-size:9px;gap:8px;padding:22px 0}.footer-star{width:28px;height:28px}.site-footer{padding-top:24px}.site-footer .status-footnote{font-size:9px}.centroid-evidence>figure:last-child{overflow-x:auto}.centroid-evidence>figure:last-child>svg{min-width:850px}.chart-tooltip{font-size:10px}.chart-tooltip>div{gap:12px}}
@media(prefers-reduced-motion:reduce){.footer-wordmark span,.footer-star{transform:none!important}.site-footer.in-view .footer-star path{animation:none}}
/* Read the story first; keep technical labels compact. */
:root{--muted:#c2c2c2}
.repo-link{display:flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;color:#fff}.repo-link svg{width:23px;height:23px}.repo-link:hover{opacity:.72}
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.light-journey{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center;padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid #444}.light-date>span{display:block;font:11px var(--mono);color:#aaa}.light-date>strong{display:block;font:300 clamp(70px,9vw,126px)/1 "Barlow Condensed",sans-serif;letter-spacing:-.025em;margin-top:12px}.light-date small{font-size:.4em}.light-journey h3{font-size:32px;margin-bottom:16px}.light-journey p{font-size:14px;line-height:1.85;max-width:62ch}.light-journey .source{font-size:11px;margin-bottom:0}
@media(max-width:1100px){.opening-story,.light-journey{gap:32px}.why-missed{grid-template-columns:1fr;gap:24px}.missed-rows>div{grid-template-columns:210px 1fr}.parameter-strip strong{font-size:27px}.parameter-strip>div{padding:16px 10px}}
@media(max-width:760px){.nav-inner{position:relative}.brand{padding-right:44px}.brand span{margin-left:12px}.repo-link{display:flex;position:absolute;right:-6px;top:4px;width:40px;height:40px}.record-title{padding-top:26px}.hero-coordinates{font-size:10px;gap:8px 18px;flex-wrap:wrap;margin-top:12px}.opening-story{grid-template-columns:1fr;gap:22px;padding:30px 0}.opening-story h2{font-size:42px}.opening-story p{font-size:14px}.parameter-strip strong{font-size:25px}.parameter-strip>div:nth-child(2) strong{font-size:24px}.parameter-strip span,.parameter-strip em{font-size:9px}.parameter-strip>div:nth-child(3) strong{font-size:23px}.why-missed{padding:30px 0}.why-missed>h2{font-size:32px}.missed-rows>div{grid-template-columns:1fr;gap:10px;padding:20px 0}.missed-rows h3{font-size:26px}.missed-rows p{font-size:13px}.chapter-head p,.split>div>p,.test-row p,.planet-copy>p,.temperature-lab>p,.fpp-caption,.survey-description,.sky-info>p,details>p,details>.detail-body,.detail-body p,.timeline p,.callout p{font-size:14px}.chapter-head h2{font-size:42px}.signal-plate figcaption,.atlas-grid figcaption,.baseline-plate figcaption,.figure-grid figcaption,.centroid-evidence figcaption,.source-ranking figcaption,.model-fig figcaption{font-size:12px}.signal-plate .hero-figure figcaption{font-size:10px}.chart-question{font-size:27px;margin:16px 0}.light-journey{grid-template-columns:1fr;gap:24px;padding-bottom:32px;margin-bottom:32px}.light-date>strong{font-size:92px}.light-journey h3{font-size:30px}.map-row span{font-size:12px}.catalogue{min-width:600px}.link-columns ul{font-size:11px}.reading-links a{font-size:13px}}
/* The opening stays compact so the measurements and real sky lead visually. */
.opening-story{display:block;padding:24px 0 26px}.opening-story .story-lead{font:300 34px/1.15 "Barlow Condensed",sans-serif;letter-spacing:-.015em;color:#fff;margin:0 0 10px;max-width:none}.opening-story .story-context{font:13px/1.75 var(--mono);max-width:100ch;margin:0;color:#bbb}.why-missed{padding:32px 0}.why-missed>h2{font-size:32px}.missed-rows>div{padding:18px 0}.missed-rows p{font-size:13px;line-height:1.75}.light-journey{padding-bottom:32px;margin-bottom:36px}.light-journey p{max-width:55ch}
@media(max-width:760px){.opening-story{padding:22px 0}.opening-story .story-lead{font-size:30px}.opening-story .story-context{font-size:12px;line-height:1.75}.missed-rows p{font-size:13px}.why-missed{gap:20px}}
.scroll-hint{color:#aaa;font:10px/1.6 var(--mono);margin:0}.sky-info>.scroll-hint{font-size:11px;margin:0 0 8px}.scroll-hint+.survey-list{margin-top:0}
@media(prefers-reduced-motion:no-preference){#signal-chart>svg{animation:chart-arrive .18s ease-out}.orbit-body{transform-origin:265px 170px;animation:orbit-turn 13.769448s linear infinite;animation-play-state:paused}.orbit-mercury{animation-duration:87.969s}.orbit-diagram.is-in-view .orbit-body{animation-play-state:running}.dialog-media .orbit-body{animation-play-state:running}}
@keyframes chart-arrive{from{opacity:.5}to{opacity:1}}@keyframes orbit-turn{to{transform:rotate(360deg)}}
.footer-wordmark .footer-letters{display:block;transform:none}.footer-letters>span{display:inline-block;transform:translateY(clamp(0%,calc((1 - var(--footer-progress,1))*145% + var(--i)*2.5% - 25%),120%));will-change:transform}.footer-links{opacity:clamp(.25,calc(var(--footer-progress,1)*1.5),1)}
@media(prefers-reduced-motion:reduce){.scroll-hint{display:none!important}.footer-letters>span{transform:none!important;will-change:auto}.footer-links{opacity:1}}
@media(max-width:760px){.plate-label .scroll-hint{display:none}}

/* Shared geometry: one column grid, one figure inset, one control position. */
:root{--column-gap:32px;--figure-inset:24px}
.chapter-head,.light-journey,.planet-gallery,.planet-models,.split,.details-grid,.figure-grid{column-gap:var(--column-gap)}
.light-journey{grid-template-columns:1fr 1fr;align-items:start}
.light-date{padding-top:5px}
.chapter-head>*,.planet-models>*,.planet-copy>*{min-width:0}
.planet-toolbar{justify-content:space-between;padding:20px 0 28px;border-top:0;gap:16px}
.planet-toolbar button{margin-left:0;min-height:40px}
.planet-card{display:flex;flex-direction:column}
.planet-image{flex:none}
.planet-copy{display:flex;flex-direction:column;flex:1}
.planet-copy>p{flex:1}
.planet-stat{align-items:center;min-height:80px;gap:24px}
.planet-stat>span{font-size:11px;line-height:1.7}
.planet-spec{padding:16px 0 0;margin-top:auto;line-height:1.7;align-items:start;font-size:10px}
.planet-spec>span{max-width:48%}.planet-spec>span:last-child{text-align:right}
.planet-models{margin:48px 0 28px;padding-top:32px;border-top:1px solid #444;align-items:start}
.planet-models>.model-fig,.temperature-lab{padding:0;border:0}
.temperature-lab h3{font-size:29px;line-height:1.15;margin:0 0 20px}
.temperature-lab .planet-stat{margin:32px 0}
.js .model-controls{display:grid!important;grid-template-columns:1fr auto;gap:14px;align-items:center}
.model-controls label{grid-column:1/-1}.model-controls input{width:100%;min-width:0;height:28px;cursor:pointer}
.model-controls output{min-width:4ch;text-align:right;font-variant-numeric:tabular-nums}
.no-js .model-controls{display:none!important}
.chart-viewport{min-width:0;width:100%;overflow-x:auto;overscroll-behavior-x:contain}
.chart-viewport>svg{width:100%;height:auto}
.baseline-plate,.source-ranking,.centroid-evidence>figure:last-child{overflow:visible}
.plate-label{min-height:56px;padding:12px var(--figure-inset);gap:16px;flex-wrap:wrap}
.plate-label>span:first-child{margin-right:auto}
.plate-label a{white-space:nowrap}
.source-ranking .plate-label{padding:12px var(--figure-inset);min-width:0}
.figure-heading{display:flex;justify-content:space-between;align-items:start;gap:16px;margin:0 0 20px;min-height:40px}
.figure-heading h3{margin:3px 0 0;flex:1}
.figure-heading:has(>button:only-child){margin-bottom:4px}
.figure-expand{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;padding:9px;margin:0;color:#aaa;border:1px solid transparent;background:transparent;line-height:1}
.figure-expand:hover,.figure-expand:focus-visible{color:#fff;border-color:#777;background:#111}
.figure-expand svg{width:20px;height:20px;min-width:0;max-height:none}
.plate-label .figure-expand{margin:-5px -10px -5px 0}
.sky-frame>.figure-expand{position:absolute;top:12px;right:12px;background:#050505cc;border-color:#555;z-index:2}
.atlas-grid{border:1px solid #333;margin-top:24px}
.atlas-grid>figure{border:0;padding:0 0 24px;display:flex;flex-direction:column}
.atlas-grid>figure+figure{border-left:1px solid #333}
.atlas-grid .chart-question,.source-ranking .chart-question{padding:0 var(--figure-inset);margin:24px 0;min-height:2.3em}
.atlas-grid .chart-viewport{margin-top:auto}
.atlas-grid figcaption{min-height:5.4em;margin:20px 0 0;padding:0 var(--figure-inset);max-width:none}
.baseline-plate figcaption,.source-ranking figcaption{padding:0 var(--figure-inset);margin:20px 0 0;min-width:0}
.source-ranking .chart-question{min-height:0}
.centroid-evidence>.has-expand>.plate-label{padding-left:0;padding-right:0}
.centroid-evidence>figure:last-child{padding-top:0}
.centroid-evidence .chart-question{margin:24px 0}
.figure-grid{gap:32px;margin:32px 0}
.figure-grid>figure{padding-top:20px}
.figure-grid figcaption{margin-top:20px}
.signal-plate figure.has-expand>.figure-heading{float:right;margin:0;height:0;min-height:0;position:relative;z-index:2}
.signal-plate figure.has-expand>.figure-heading .figure-expand{transform:translateY(-6px);background:#050505}
.signal-plate .chart{padding-top:0}
.model-fig svg text{font-family:var(--mono)}
.site-footer{padding-bottom:24px}.footer-links{padding-bottom:0;border-bottom:0}
.chart-grow-bar{transform:scaleY(var(--chart-reveal,1))}
@media(min-width:761px){.planet-models .model-fig .figure-heading h3{max-width:25ch}}
@media(max-width:760px){
 :root{--column-gap:24px;--figure-inset:16px}
 .light-journey{grid-template-columns:1fr;gap:24px}
 .planet-toolbar{padding:0 0 24px;font-size:9px}.planet-toolbar>span{max-width:50%}
 .planet-models{margin-top:32px;padding-top:24px;row-gap:32px}
 .temperature-lab{padding-top:24px;border-top:1px solid #444}
 .planet-spec{font-size:9px;padding-top:14px}.planet-stat{min-height:68px}
 .atlas-grid>figure+figure{border-left:0;border-top:1px solid #333}
 .atlas-grid .chart-question{min-height:0;margin:20px 0}
 .atlas-grid figcaption{min-height:0}
 .baseline-plate .chart-viewport>svg{min-width:740px}
 .source-ranking .chart-viewport>svg{min-width:700px}
 .centroid-evidence>figure:last-child .chart-viewport>svg{min-width:850px}
 .figure-grid{row-gap:32px}
 .plate-label{font-size:9px;gap:12px}
 .figure-heading h3{font-size:27px}
 .baseline-plate,.source-ranking,.centroid-evidence>figure:last-child{overflow:visible}
 .model-controls{font-size:12px}
}
@media(prefers-reduced-motion:reduce){.chart-grow-bar{transform:none!important}}
@media print{.figure-expand{display:none!important}.chart-grow-bar{transform:none!important}.chart-viewport{overflow:visible}}
/* Related source tests share a continuous grid and aligned figure rows. */
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #333;border-left:1px solid #333;margin:32px 0}
.evidence-grid>figure{display:grid;grid-template-rows:subgrid;grid-row:span 4;border:0;border-right:1px solid #333;border-bottom:1px solid #333;margin:0;padding:0;max-width:none;overflow:visible}
.evidence-grid .plate-label{min-height:56px}
.evidence-grid .chart-question{padding:24px var(--figure-inset);margin:0;font-size:30px;min-height:0}
.evidence-grid .chart-viewport{align-self:center;padding:0 8px}
.evidence-grid figcaption{padding:24px var(--figure-inset);margin:0;max-width:none;font-size:13px;line-height:1.8;min-width:0}
.evidence-grid .chart-viewport>svg{min-width:0}
.evidence-grid .source-ranking .chart-viewport>svg{min-width:0}
.data-download{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;border:1px solid transparent;color:#aaa;text-decoration:none}
.data-download:hover,.data-download:focus-visible{border-color:#777;color:#fff;background:#111}
.data-download svg{width:20px;height:20px}
.plate-label .data-download{margin:-5px 0}
.plate-label:has(.data-download){gap:8px}
.plot-foot{min-height:48px;padding-top:8px}
.chart-grow-horizontal{transform:scaleX(var(--chart-reveal,1))}
@media(max-width:760px){.evidence-grid{grid-template-columns:1fr}.evidence-grid .chart-question{font-size:27px;padding-top:20px;padding-bottom:20px}.evidence-grid figcaption{font-size:12px;padding-top:20px}.evidence-grid .chart-viewport{padding:0}.evidence-grid .chart-viewport>svg{min-width:540px}.evidence-grid .source-ranking .chart-viewport>svg{min-width:640px}}
@media(prefers-reduced-motion:reduce){.chart-grow-horizontal{transform:none!important}}
@media print{.data-download{display:none!important}.chart-grow-horizontal{transform:none!important}}

@media(max-width:760px){.dialog-media{overflow:auto}.dialog-media>.expanded-chart{min-width:720px;max-height:none;height:auto}}
/* One entrance, then a stable record. Only the marks move; axes stay fixed. */
@media(prefers-reduced-motion:no-preference){
 .chart-grow-bar,.chart-grow-horizontal{transition:transform var(--chart-duration,360ms) cubic-bezier(.2,.65,.3,1)}
 .chart-grow-bar{transform:scaleY(clamp(0,calc(var(--chart-reveal,1)*1.3 - var(--bar-order,0)*.012),1))}
 .chart-grow-horizontal{transform:scaleX(clamp(0,calc(var(--chart-reveal,1)*1.3 - var(--bar-order,0)*.012),1))}
 .footer-revealed .footer-letters>span{animation:footer-rise 850ms cubic-bezier(.16,1,.3,1) both;animation-delay:calc(var(--i)*35ms)}
}
@keyframes footer-rise{from{transform:translateY(115%);opacity:0}to{transform:translateY(0);opacity:1}}
.expanded-chart .chart-grow-bar,.expanded-chart .chart-grow-horizontal{transform:none;transition:none}
/* GitHub mark: fixed box and fixed icon size at every viewport and embed size */
.repo-link{box-sizing:border-box;flex:none;width:40px;height:40px;min-width:40px;min-height:40px;max-width:40px;max-height:40px;overflow:hidden;line-height:0}
.repo-link svg{display:block;flex:none;width:23px;height:23px;min-width:23px;min-height:23px;max-width:23px;max-height:23px;overflow:hidden}
@media(max-width:760px){.repo-link{top:13px;right:-4px;width:32px;height:32px;min-width:32px;min-height:32px;max-width:32px;max-height:32px}
.repo-link svg{width:20px;height:20px;min-width:20px;min-height:20px;max-width:20px;max-height:20px}}