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var(--border)}.source-row{border-bottom:1px solid var(--border)}.source-row summary{list-style:none;display:grid;grid-template-columns:40px 1fr 150px 140px 20px;gap:20px;align-items:center;padding:24px 0;cursor:pointer;min-height:90px}.source-row summary::-webkit-details-marker{display:none}.source-row summary:hover .source-name{color:var(--orange)}.source-row summary:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}.source-index{font:12px var(--mono);color:var(--muted)}.source-name{font-size:17px;font-weight:500;line-height:1.5}.source-name>small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:4px}.source-kind{font:12px var(--mono);color:var(--orange)}.source-kind.empirical{color:var(--cyan)}.source-date{font:12px var(--mono);color:var(--muted)}.source-expand{font:22px var(--mono);color:var(--muted);transition:transform .2s}.source-row[open] .source-expand{transform:rotate(45deg);color:var(--orange)}.source-detail{display:grid;grid-template-columns:1fr 1fr;gap:15px 40px;padding:0 50px 27px 60px}.source-detail h4{font:12px var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--cyan);margin:8px 0 10px}.source-detail p{font-size:16px;line-height:1.7;color:#b3bfbc;margin:0}.source-detail>a{font-size:14px;color:var(--orange);margin-top:6px}.source-detail>a:hover{text-decoration:underline}.source-detail>a>span{margin-left:10px}.site-footer{padding:40px 4% 28px;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;gap:25px}.footer-brand{font:500 30px var(--display);letter-spacing:5px}.footer-brand>span{display:block;font:12px var(--mono);color:var(--muted);letter-spacing:1px;margin-top:9px}.site-footer>div{display:flex;gap:18px;flex-wrap:wrap;align-content:center;justify-content:flex-end}.site-footer button{background:transparent;border:0;padding:5px 0;font-size:14px;color:var(--muted)}.site-footer button:hover{color:var(--orange)}#connection-status{width:100%;text-align:right;font:12px var(--mono);color:var(--cyan)}.site-footer>p{grid-column:1/-1;font-size:12px;color:var(--muted);line-height:1.6;margin:0}dialog{width:min(760px,calc(100% - 28px));max-height:85vh;background:#0e171b;border:1px solid #83959566;color:var(--text);padding:30px 36px;box-shadow:0 30px 120px #000b}dialog::backdrop{background:#020609cc;backdrop-filter:blur(9px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:15px}.dialog-header .eyebrow{color:var(--orange)}dialog h2{font:500 42px/1.05 var(--display);margin:28px 0 23px}dialog h3{font:500 26px var(--display);margin:27px 0 12px}dialog p{font-size:16px;line-height:1.8;color:#b9c5c2}dialog strong{color:var(--text);font-weight:500}.formula{background:#080e11;padding:14px 18px;border-left:2px solid var(--orange)}.formula p{font:13px/1.8 var(--mono);overflow-wrap:anywhere;color:#ccd0c5}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:50;max-width:min(90vw,560px);background:#16262a;border:1px solid #82c7cd88;color:var(--text);font-size:14px;line-height:1.6;padding:15px 22px;box-shadow:0 10px 35px #0007}.noscript{position:fixed;bottom:0;background:#172124;padding:20px;z-index:30}.noscript a{color:var(--orange);text-decoration:underline}[hidden]{display:none!important}
@keyframes atmosphere{to{background-position:69% 38%}}
@media(min-width:1800px){.scene{background-size:100% auto}.content-section{padding-left:max(4%,calc((100vw - 1650px)/2));padding-right:max(4%,calc((100vw - 1650px)/2))}}
@media(max-width:1050px){.sim-grid{grid-template-columns:285px 1fr}.assumptions{padding:24px 19px}.trajectory{padding:24px 20px 0}.metric-grid{gap:10px}.metric-grid span,.metric-grid small{font-size:12px}.metric-grid strong{font-size:30px}.chart-heading h3{font-size:25px}.sim-header{gap:17px}.sim-header .preset-state{margin-left:0}.sim-header .secondary-button{margin-left:auto}.observatory-footer{font-size:12px}.source-row summary{grid-template-columns:28px 1fr 115px 90px 15px;gap:12px}.filmstrip-controls p{max-width:190px;line-height:1.5}.scenario-card{flex-basis:33%;min-width:290px}}
@media(max-width:760px){.scene{background-position:72% 0;background-size:auto 1250px;animation:none}.scene:after{background:linear-gradient(90deg,#080c0eaa,#080c0e44),linear-gradient(0deg,var(--bg),transparent 68%)}.scenario-brief{background:#080c0e55;padding:22px 18px;border:1px solid #80999c22}.scenario-brief:before{display:none}.scenario-brief>.eyebrow{font-size:12px}.scenario-brief h2{font-size:44px}.scenario-credit{gap:10px}.scenario-credit>span:last-child{font-size:12px;padding-left:10px}.to-midnight,.clock-face>.eyebrow,.clock-state{font-size:12px;letter-spacing:1px}.world-note p,.observatory-footer,.section-eyebrow,.dial-label{font-size:12px}.clock-state{padding:7px 9px}.observatory-footer{line-height:1.5}.filmstrip-controls{margin-top:20px}.filmstrip-controls p{max-width:none;flex:1;font-size:13px;margin-top:0!important}.filmstrip-controls .icon-button{width:40px;height:40px}.scenario-card{flex-basis:82%;min-width:270px;min-height:270px;padding:21px}.card-title{font-size:37px}.sim-header{padding:18px;gap:20px 14px}.sim-header>div:first-child{flex:1;min-width:200px}.sim-header .branch-control{flex:1;min-width:100px}.sim-header .preset-state{font-size:12px}.sim-header .secondary-button{font-size:12px;padding:9px}.sim-grid{display:flex;flex-direction:column}.assumptions{border-right:0;border-bottom:1px solid var(--border);padding:23px 20px}.panel-heading{margin-bottom:22px}#sliders{display:grid;grid-template-columns:1fr 1fr;gap:24px 25px}.slider-control{margin:0}.slider-control label{font-size:14px}.slider-control label span{display:none}.slider-control>div:first-child{align-items:flex-start;min-height:34px}.control-note{margin:24px 0 0;font-size:12px}.control-note br{display:none}.trajectory{padding:24px 16px 0}.chart-heading h3{font-size:28px}.chart-heading .eyebrow{font-size:12px;letter-spacing:.5px}.sim-year{font-size:40px}.chart-legend{gap:12px;font-size:12px}.chart-legend span{gap:5px}.chart-legend span:before{width:10px}#trajectory-chart{min-height:200px}.time-controls{gap:12px;margin-bottom:18px}.play-button>span{font-size:12px}.time-controls output{font-size:12px}.metric-grid{grid-template-columns:1fr 1fr;gap:20px}.metric-grid>div:nth-child(2){border:0}.metric-grid strong{font-size:36px}.metric-grid span{font-size:14px}.pathway-heading{display:block}.pathway-heading>span{font-size:12px;line-height:1.7;display:block;text-align:left}.milestones{grid-template-columns:1fr;gap:27px;margin-top:25px}.milestone{padding-top:20px}.milestone h4{margin-top:10px}.milestone p{font-size:16px}.scenario-reading{grid-template-columns:1fr;gap:30px}.scenario-reading h3{font-size:31px}.source-links{gap:12px}.evidence-intro{display:block;padding-bottom:25px}.evidence-intro>span{display:block;text-align:left;margin-top:23px}.source-row summary{grid-template-columns:24px 1fr 16px;gap:12px;padding:20px 0}.source-name{font-size:16px}.source-kind{grid-column:2;font-size:12px}.source-expand{grid-column:3;grid-row:1}.source-date{display:none}.source-name small{font-size:13px}.source-detail{display:block;padding:0 10px 25px 36px}.source-detail>div{margin-bottom:22px}.source-detail p{font-size:16px}.site-footer{grid-template-columns:1fr;gap:25px;padding:33px 5%}.site-footer>div{justify-content:flex-start}#connection-status{text-align:left;margin-top:0}.site-footer>p{font-size:12px}dialog{padding:23px}dialog h2{font-size:36px}.dialog-header .eyebrow{font-size:12px;letter-spacing:.8px}.formula{padding:10px 13px}.section-note{font-size:13px}}
@media(max-width:370px){.brand>span{font-size:21px}.header-actions{gap:4px}.site-header nav{gap:18px}.clock-time{font-size:82px}.clock-state{font-size:11px}.to-midnight{font-size:11px}.section-eyebrow{font-size:12px}#sliders{grid-template-columns:1fr}.card-top{gap:7px}.observatory-footer{font-size:11px}.card-top>span:nth-child(2){font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.section-eyebrow>span.observatory-meta{display:inline-flex;align-items:center;white-space:nowrap}
@media(max-width:760px){.observatory-meta>.meta-description{display:none}}