:root{--bg:#10151b;--panel:#181f27;--panel2:#202832;--ink:#f5f6f8;--muted:#aab3c0;--line:#35404e;--red:#ff7865;--cyan:#89d5e7;--gold:#edc278;--mint:#a9d2b3;font:16px/1.65 Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button,summary,select{cursor:pointer}button{border:0}button,a,input,select,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}button:disabled{cursor:default;opacity:.5}h1,h2,h3,h4,p{margin:0}h1,h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;line-height:1.08;letter-spacing:-.045em}h1 em,h2 em{font-style:normal;color:var(--red)}h3{font-size:1.45rem;line-height:1.3;letter-spacing:-.025em}p{max-width:100%}[hidden]{display:none!important}svg{display:block;width:100%}.wrap{width:min(1280px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-120px;left:15px;background:white;color:black;z-index:50;padding:15px}.skip:focus{top:12px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:28px 0;border-bottom:1px solid var(--line);gap:25px}.brand{font-family:Georgia,serif;font-size:1.65rem;white-space:nowrap}.brand span{color:var(--red)}.topbar nav{display:flex;gap:28px;font-size:.875rem;color:var(--muted)}.topbar a:hover{color:var(--red)}.private{font-size:.75rem;border:1px solid var(--line);padding:4px 12px;border-radius:20px;color:var(--muted)}.opening{padding:60px 0 65px}.eyebrow{font-size:.75rem;line-height:1.6;letter-spacing:.1em;font-weight:700;color:var(--muted)}.opening>.eyebrow{color:var(--red);margin-bottom:25px}.opening-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:80px;align-items:center}h1{font-size:clamp(3rem,5.9vw,5.25rem);line-height:1.04}.opening-copy{max-width:420px}.opening-copy p{margin-bottom:17px;color:#bdc6d0;font-size:1rem;line-height:1.75}.opening-copy .question{color:var(--ink);font-size:1.2rem;line-height:1.5;font-family:Georgia,serif}.text-link{font-size:.875rem;background:transparent;padding:0;text-decoration:underline;text-underline-offset:5px;line-height:1.8;color:var(--cyan);display:inline-block}.text-link:hover{color:white}.section-kicker{display:flex;justify-content:space-between;gap:25px;font-size:.75rem;letter-spacing:.05em;color:var(--muted);margin-bottom:27px;line-height:1.7}.section-kicker>span:first-child{color:var(--red);font-weight:700}.simulator{border-top:1px solid var(--line);padding:32px 0 65px}.model-controls{display:flex;justify-content:space-between;align-items:end;gap:30px}.model-controls>label{width:min(520px,100%);font-size:.875rem;line-height:1.5}.model-controls select,.field select{display:block;width:100%;margin-top:9px;padding:13px 40px 13px 14px;border:1px solid #515d6b;border-radius:5px;background:#1f2934;font-size:1rem;min-height:50px}.horizon-control{font-size:.875rem}.horizon-control>span{display:block;margin-bottom:9px}.segmented{display:flex;border:1px solid #53606b;border-radius:5px;padding:3px;gap:3px;min-height:50px}.segmented button{padding:9px 13px;border-radius:3px;background:transparent;font-size:.875rem;white-space:nowrap}.segmented button[aria-pressed=true]{background:var(--ink);color:var(--bg)}.mode-description{color:#b0bdcb;font-size:.875rem;margin-top:17px;max-width:1050px}.gate-warning{background:#423127;color:#ffe1bd;border-left:3px solid var(--gold);padding:16px 20px;font-size:.875rem;margin-top:20px}.gate-warning a{text-decoration:underline;text-underline-offset:3px}.result-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin:36px 0 15px}.result-heading h2{font-size:2rem;line-height:1.2;letter-spacing:-.03em;max-width:640px}.result-heading p{font-size:.75rem;color:var(--muted);max-width:315px;line-height:1.7}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:23px 0}.metric{border-top:1px solid var(--line);padding:24px 0 5px}.metric-value{font-family:Georgia,serif;font-size:5rem;letter-spacing:-.055em;line-height:1;display:block;margin-bottom:19px;color:var(--red)}.metric-value.positive{color:var(--mint)}.metric h3{font-size:1.125rem;line-height:1.4;letter-spacing:-.01em}.metric p{font-size:.875rem;color:var(--muted);line-height:1.65;margin-top:8px;max-width:330px}.metric .metric-note{font-size:.75rem;color:#d9a898;margin-top:10px;display:block}.interpretation{border-left:3px solid var(--red);background:#251e22;padding:19px 24px;margin:25px 0 34px;font-size:1rem;line-height:1.75}.interpretation strong{font-weight:700;color:#ffb3a5}.interpretation p+p{margin-top:9px}.chart-panel{padding:28px;border:1px solid #3b4755;border-radius:7px;background:#171f29}.chart-heading{display:flex;align-items:start;justify-content:space-between;gap:25px}.chart-heading h3{font-family:Georgia,serif;font-weight:400;font-size:1.65rem}.chart-heading p{font-size:.875rem;color:var(--muted);margin-top:8px}.quiet-button{background:transparent;color:var(--cyan);text-decoration:underline;text-underline-offset:4px;padding:5px 0;font-size:.875rem;white-space:nowrap}.chart-legend{display:flex;gap:24px;flex-wrap:wrap;margin:27px 0;font-size:.875rem}.chart-legend>span{display:flex;align-items:center;gap:8px}.chart-legend i{display:inline-block;width:23px;height:3px}.survival-key{background:var(--cyan)}.authority-key{background:var(--gold)}.necessity-key{background:var(--mint)}.chart-shell{height:300px;position:relative;margin-left:46px}.chart-shell svg{height:100%;overflow:visible}.y-label{position:absolute;left:-46px;font-size:.75rem;color:#aab7c7;transform:translateY(-50%)}.y-top{top:0}.y-mid{top:50%}.y-bottom{top:100%}.chart-ticks{margin:12px 0 25px 46px;display:flex;justify-content:space-between;font-size:.75rem;color:#b3c1cf}.chart-path{fill:none;stroke-width:3;vector-effect:non-scaling-stroke}.chart-grid{stroke:#72859a33;stroke-width:1;vector-effect:non-scaling-stroke}.chart-dot{stroke:#17212b;stroke-width:2;vector-effect:non-scaling-stroke}.step-control{display:block;font-size:.875rem}.step-control>span{display:flex;justify-content:space-between;gap:20px}.step-control output{color:white;font-weight:700}input[type=range]{accent-color:var(--red);width:100%;height:35px;cursor:pointer;margin:7px 0}.small{font-size:.75rem;color:var(--muted);line-height:1.8}.chart-panel>.small{margin-top:15px}.assumptions-panel{display:grid;grid-template-columns:1fr 1.6fr;gap:65px;padding:44px 0 36px;border-bottom:1px solid var(--line)}.assumptions-intro h3{font-family:Georgia,serif;font-size:2.05rem;font-weight:400;line-height:1.2;margin:15px 0 20px}.assumptions-intro>p:not(.eyebrow){font-size:.875rem;color:#b2bfcc;line-height:1.8}.assumptions-intro p.small{font-size:.75rem;margin-top:20px}.hazard-controls{display:grid;grid-template-columns:1fr 1fr;gap:25px 24px}.hazard-control>label{display:block;font-size:.875rem;font-weight:700;line-height:1.5;margin-bottom:9px}.hazard-control>p{font-size:.75rem;line-height:1.7;color:var(--muted);min-height:66px}.number-wrap{display:flex;align-items:center;gap:10px;margin:11px 0 8px}.number-wrap input,.shape-controls input{width:105px;background:#273440;border:1px solid #667686;color:#fff;padding:9px 11px;border-radius:4px;font-size:1rem;min-height:46px}.number-wrap span{font-size:.875rem}.hazard-control>output{font-size:.75rem;color:var(--gold)}.shape-controls{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:28px}.shape-controls label{font-size:.875rem;line-height:1.65}.shape-controls input{display:block;margin-top:9px}.assumptions-panel .quiet-button{margin-top:25px}.arithmetic{padding:25px 0;font-size:1rem;color:#becbd8}.arithmetic strong{color:white}.arithmetic .math{font-family:Georgia,serif;font-size:1.7rem;line-height:1.4;display:block;margin-bottom:10px;color:var(--gold)}.arithmetic .small{margin-top:14px}.endings-section{background:#e8edf3;color:#17222d;padding:65px 0 72px}.endings-section .section-kicker{color:#536676}.endings-section .section-kicker>span:first-child{color:#9f4434}.endings-section h2,.mechanisms h2,.rollback-section h2,.compare-section h2,.evidence-section h2,.conversation h2{font-size:3.25rem}.endings-section h2 em{color:#a94938}.section-intro{font-size:1rem;line-height:1.85;max-width:840px;color:var(--muted);margin-top:23px;margin-bottom:32px}.endings-section .section-intro{color:#506174}.ending-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:30px 0 23px}.ending-button{text-align:left;border:1px solid #aebdcb;border-top:4px solid var(--mint);border-radius:5px;background:#dfe7ed;padding:17px 15px;color:#1b2e3e;font-size:.875rem;line-height:1.5}.ending-button:nth-child(2){border-top-color:#9fa8be}.ending-button:nth-child(3){border-top-color:#cdab6c}.ending-button:nth-child(4){border-top-color:#c28e65}.ending-button:nth-child(5){border-top-color:#ba5c4b}.ending-button[aria-pressed=true]{background:#fff;border-color:#536c80;box-shadow:0 0 0 1px #536c80}.ending-button .ending-number{display:block;font-family:Georgia,serif;font-size:2.2rem;line-height:1.2;margin-bottom:10px;letter-spacing:-.035em}.ending-stage{display:grid;grid-template-columns:1fr 1fr;gap:40px;border-top:1px solid #aebecb;padding-top:30px;align-items:center}.ending-detail h3{font-family:Georgia,serif;font-size:2.2rem;font-weight:400;line-height:1.18;max-width:530px;margin:13px 0 21px}.ending-detail>span{font-size:.75rem;letter-spacing:.04em;color:#824b3f}.ending-detail blockquote{font-family:Georgia,serif;font-size:1.45rem;line-height:1.6;margin:0 0 20px;max-width:450px}.ending-detail p{font-size:.875rem;color:#4e6376;line-height:1.85;max-width:490px}.future-picture{background:#17232f;border-radius:5px;padding:25px}.future-picture-top{display:flex;justify-content:space-between;align-items:center;gap:15px;color:#b0c3d3;font-size:.75rem;letter-spacing:.03em;margin-bottom:22px}.future-picture-top>span:last-child{color:#ffc0a9;font-weight:700}.future-cells{display:grid;grid-template-columns:repeat(10,1fr);gap:7px}.future-cell{aspect-ratio:1.4;background:var(--mint);border-radius:2px;opacity:.2}.future-cell[data-group='1']{background:#a8b3cd}.future-cell[data-group='2']{background:var(--gold)}.future-cell[data-group='3']{background:#c28e65}.future-cell[data-group='4']{background:var(--red)}.future-cell.highlight{opacity:1}.future-picture>.small{color:#adc0ce;margin-top:18px}.mechanisms{padding:70px 0}.mechanism-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.mechanism-grid article{background:#1a232d;border-top:2px solid #627887;padding:25px 24px;border-radius:0 0 4px 4px}.mechanism-status{font-size:.75rem;color:#c4b99b;line-height:1.7;display:block;min-height:39px}.mechanism-grid h3{font-size:1.25rem;line-height:1.4;margin:13px 0 17px}.mechanism-grid p{font-size:.875rem;line-height:1.85;color:#b3c2cf}.mechanism-grid .requirement{font-size:.875rem;border-top:1px solid #3c4b59;margin-top:22px;padding-top:15px;color:#b9c9d5}.mechanism-grid .text-link{margin-top:22px}.rollback-section{padding:65px 0 75px;background:#1b222b;border-top:1px solid #35414e;border-bottom:1px solid #35414e}.reproduction-chain{display:flex;gap:12px;align-items:center;margin:32px 0 14px}.reproduction-chain div{flex:1;min-width:0;text-align:center;padding:19px 15px;border:1px solid #69839a;font-size:.875rem;border-radius:4px;background:#273848;line-height:1.5}.reproduction-chain>span{color:var(--gold)}.chain-caption{font-size:.875rem;color:#aebfcc;max-width:1000px;line-height:1.85;margin-bottom:35px}.rollback-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.field{display:block;font-size:.875rem}.field select{margin-bottom:23px}details{border:1px solid #526274;border-radius:5px}summary{list-style:none;cursor:pointer}summary::-webkit-details-marker{display:none}#policy-details summary{display:flex;justify-content:space-between;align-items:center;font-size:.875rem;padding:19px;gap:15px}summary>span:last-child{font-size:1.5rem;line-height:1}.policy-controls{padding:0 20px 20px}.policy-control{padding:21px 0;border-top:1px solid #435569}.policy-control label{font-size:1rem;font-weight:700;line-height:1.5;display:block;margin-bottom:8px}.policy-control p{font-size:.875rem;color:#acbecb;margin-bottom:15px}.policy-control select{width:100%;background:#243748;color:#f5f6f8;border:1px solid #60798f;padding:11px;border-radius:4px;font-size:.875rem}.policy-value{display:flex;justify-content:space-between;font-size:.875rem;gap:15px}.policy-value>span{font-size:.75rem;color:var(--muted)}.policy-verdict{padding:21px 0}.policy-verdict strong{font-family:Georgia,serif;font-size:1.4rem;color:var(--gold);font-weight:400;line-height:1.4}.policy-verdict p{font-size:.875rem;line-height:1.8;margin-top:10px}.policy-verdict[data-status=stable] strong{color:var(--mint)}.policy-verdict+.small{margin-bottom:17px}.boundary-contract{border-left:1px solid #4b5b6c;padding-left:36px}.boundary-contract h3{font-family:Georgia,serif;font-size:1.8rem;font-weight:400;margin:14px 0}.boundary-contract>p:not(.eyebrow){font-size:.875rem;color:#b9c6d1;line-height:1.8}.boundary-contract>label{display:flex;gap:13px;align-items:start;font-size:.875rem;line-height:1.8;border-top:1px solid #465464;padding-top:21px;margin-top:22px}.boundary-contract input{width:21px;height:21px;flex:none;accent-color:var(--mint);margin:4px 0 0;cursor:pointer}.boundary-contract label b{display:block;font-size:.95rem;margin-bottom:5px;color:#f8f7f5}.boundary-contract .primary{margin:26px 0 17px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:700;line-height:1.5;padding:13px 20px;border-radius:4px;min-height:47px;gap:15px}.primary{background:var(--red);color:#181e25}.secondary{border:1px solid #7e919f;background:transparent;color:#edf4fb;white-space:nowrap}.primary:hover{background:#ff9a80}.secondary:hover{background:#283644}.compare-section{padding:70px 0}.compare-heading{display:flex;align-items:end;justify-content:space-between;gap:25px}.comparison{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.comparison-card{padding:23px 21px;border:1px solid #3c4d5f;background:#1a2430;border-radius:5px}.comparison-card h3{font-size:1.05rem;line-height:1.5;margin-bottom:10px;min-height:50px}.comparison-card .badge{font-size:.75rem;color:var(--gold);display:block;margin-bottom:14px}.comparison-card .comparison-value{font-family:Georgia,serif;font-size:2.55rem;letter-spacing:-.045em;line-height:1.2;color:#fff;display:block}.comparison-card .comparison-caption{font-size:.75rem;color:#afc4d6;margin:5px 0 15px}.comparison-row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #3d4e5f;padding:9px 0;font-size:.875rem;line-height:1.5}.comparison-card>p{font-size:.75rem;line-height:1.8;color:#b1c1cc;margin-top:12px}.comparison-card .text-link{margin-top:15px}.pins{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.pin-card{position:relative;border-color:#6c8093}.pin-card h3{margin-right:25px}.remove-pin{position:absolute;top:14px;right:13px;background:transparent;color:#d4e0e9;font-size:1.5rem;padding:2px 8px}.sensitivity{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:42px;padding-top:33px;border-top:1px solid #4a5b6b}.sensitivity h3{font-size:1.3rem;margin:12px 0 18px}.sensitivity p:not(.eyebrow){font-size:.875rem;line-height:1.9;color:#b0c2d2}.sensitivity .text-link{margin-top:17px}.evidence-section{padding:68px 0;background:#e4eaf0;color:#162535}.evidence-section .section-kicker{color:#546575}.evidence-section .section-kicker>span:first-child{color:#97523f}.evidence-section h2 em{color:#a74937}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:35px}.evidence-grid article{border-top:2px solid #899dab;padding:23px 20px;background:#f4f7f9;border-radius:0 0 4px 4px}.evidence-label{font-size:.75rem;line-height:1.8;display:block;letter-spacing:.025em;color:#406075;min-height:36px}.evidence-label.hypothesis{color:#934e3b}.evidence-label.deduction{color:#426947}.evidence-grid h3{font-size:1.125rem;line-height:1.45;margin:10px 0 15px}.evidence-grid p{font-size:.875rem;line-height:1.85;color:#4d6171}.evidence-grid a{font-size:.75rem;line-height:1.9;color:#2c5873;text-decoration:underline;text-underline-offset:3px;display:inline-block;margin-top:15px}.sources{display:flex;flex-wrap:wrap;gap:8px 17px}.evidence-grid .inference{font-size:.875rem;border-top:1px solid #c3cdd5;padding-top:16px;margin-top:20px}.method{margin-top:29px;border-color:#9caeba}.method>summary{padding:26px;display:flex;justify-content:space-between;gap:25px;align-items:center}.method .eyebrow{color:#5d7484}.method summary h3{font-family:Georgia,serif;font-size:1.6rem;font-weight:400;margin-top:8px;line-height:1.3}.method-body{padding:0 26px 25px;max-width:1080px}.method-body h4{font-size:1.05rem;margin:28px 0 13px}.method-body p{font-size:.875rem;line-height:1.95;color:#425767;margin-bottom:15px}.method-body a{text-decoration:underline;text-underline-offset:4px}.equations{padding:20px;background:#d2dfe8;border:1px solid #b6c9d8;margin:22px 0;overflow-x:auto}.equations code{font-family:ui-monospace,monospace;font-size:.875rem;line-height:2}.live-calculation{background:#cedfcf;border-left:3px solid #49774f;padding:20px;margin:25px 0}.live-calculation p{margin:0;color:#35553f}.method-body p.small{font-size:.75rem;color:#617280}.conversation{padding:72px 0}.conversation>h2{margin:22px 0 28px}.conversation-questions{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-bottom:29px}.conversation-questions p{font-family:Georgia,serif;font-size:1.25rem;line-height:1.7;border-top:1px solid #4c5c6d;padding-top:22px;color:#d3dde7}.conversation #copy-status{font-size:.875rem;max-width:840px;margin-top:20px;color:#b8c5d1;white-space:pre-line}footer{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid #3e4d5e;padding:28px 0 35px;font-size:.75rem;color:#a6b6c6}footer p{max-width:420px}footer .brand{font-size:1.5rem;color:#edf3f7}footer>a:last-child{text-decoration:underline;text-underline-offset:4px}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:50;max-width:calc(100vw - 36px);width:max-content;background:#f4f6f8;color:#152532;box-shadow:0 5px 25px #0006;border-radius:5px;padding:14px 22px;font-size:.875rem}.replaying .chart-path{stroke-dasharray:1800;stroke-dashoffset:1800;animation:draw 1.6s ease forwards}@keyframes draw{to{stroke-dashoffset:0}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.opening-grid{gap:45px}.opening-copy .question{font-size:1.1rem}.topbar nav{gap:20px}.assumptions-panel{gap:35px;grid-template-columns:1fr 1.5fr}.mechanism-grid,.evidence-grid{grid-template-columns:1fr 1fr}.rollback-grid{gap:35px}.boundary-contract{padding-left:27px}.horizon-control .segmented{flex-direction:column}.model-controls{align-items:end}.metric-value{font-size:4.5rem}.comparison{grid-template-columns:1fr 1fr}.comparison-card h3{min-height:0}.pins{grid-template-columns:1fr 1fr}.reproduction-chain{gap:8px}.reproduction-chain div{padding:16px 10px;font-size:.875rem}.ending-stage{gap:25px}}
@media(max-width:800px){.wrap{width:calc(100% - 48px)}.topbar{padding:21px 0}.topbar nav{gap:16px;font-size:.75rem}.opening{padding:43px 0 45px}.opening-grid{grid-template-columns:1fr;gap:25px}.opening-copy{max-width:650px;display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.opening-copy .question{grid-column:1/-1;max-width:550px}.opening-copy .text-link{grid-column:1/-1}h1{font-size:4rem}h1 br:nth-of-type(1){display:none}.model-controls{gap:25px}.metrics{gap:20px}.metric-value{font-size:3.5rem}.metric h3{font-size:1rem}.metric p{font-size:.875rem}.result-heading{display:block}.result-heading p{max-width:none;margin-top:13px}.assumptions-panel{grid-template-columns:1fr;gap:30px}.assumptions-intro h3 br{display:none}.assumptions-intro h3{max-width:490px;font-size:1.9rem}.hazard-control>p{min-height:48px}.shape-controls{max-width:550px}.endings-section h2,.mechanisms h2,.rollback-section h2,.compare-section h2,.evidence-section h2,.conversation h2{font-size:2.75rem}.ending-buttons{grid-template-columns:1fr 1fr}.ending-stage{grid-template-columns:1fr 1fr;align-items:start}.ending-detail h3{font-size:1.8rem}.ending-detail blockquote{font-size:1.3rem}.future-picture{padding:20px}.future-picture-top{display:block}.future-picture-top>span:last-child{display:block;margin-top:7px}.future-cells{gap:5px}.rollback-grid{grid-template-columns:1fr}.boundary-contract{border-left:0;border-top:1px solid #4c5c6c;padding:30px 0 0}.boundary-contract>label{max-width:690px}.reproduction-chain{display:grid;grid-template-columns:1fr 25px 1fr}.reproduction-chain>span:nth-of-type(2){display:none}.reproduction-chain>span{text-align:center}.section-kicker{gap:18px}.section-kicker>span:last-child{text-align:right}.conversation-questions{gap:22px}.conversation-questions p{font-size:1.05rem}.compare-heading h2{max-width:550px}.sensitivity{gap:30px}footer{flex-wrap:wrap}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.topbar{padding:19px 0}.topbar nav{display:none}.brand{font-size:1.6rem}.opening{padding:35px 0 38px}.opening>.eyebrow{font-size:.75rem;line-height:1.8;letter-spacing:.06em;max-width:290px;margin-bottom:21px}h1{font-size:2.95rem;line-height:1.1;letter-spacing:-.04em}h1 br:nth-of-type(1){display:block}.opening-grid{gap:26px}.opening-copy{display:block;max-width:none}.opening-copy p{font-size:1rem;margin-bottom:14px;line-height:1.75}.opening-copy .question{font-size:1.15rem;line-height:1.6}.opening-copy .text-link{margin-top:4px}.section-kicker{display:block;margin-bottom:21px;font-size:.75rem;line-height:1.8}.section-kicker>span{display:block}.section-kicker>span:last-child{text-align:left;margin-top:5px}.simulator{padding:25px 0 35px}.model-controls{display:block}.model-controls select{font-size:1rem;margin-top:10px}.horizon-control{margin-top:22px}.horizon-control .segmented{flex-direction:row}.segmented{width:100%}.segmented button{flex:1;white-space:normal;font-size:.875rem;padding:10px 8px}.mode-description{font-size:.875rem;line-height:1.8;margin-top:19px}.result-heading{margin-top:27px}.result-heading h2{font-size:1.65rem;line-height:1.3}.result-heading p{font-size:.75rem;line-height:1.8}.metrics{display:block;margin:18px 0}.metric{display:grid;grid-template-columns:110px 1fr;gap:0 15px;padding:21px 0}.metric-value{font-size:3rem;align-self:center;grid-row:1/4;margin:0;letter-spacing:-.055em;overflow-wrap:anywhere}.metric h3{font-size:1rem;line-height:1.5}.metric p{font-size:.875rem;line-height:1.7;margin-top:5px}.metric .metric-note{font-size:.75rem;margin-top:7px}.interpretation{padding:18px;margin:18px 0 25px;font-size:.95rem;line-height:1.85}.chart-panel{padding:22px 15px}.chart-heading{display:block}.chart-heading h3{font-size:1.5rem;line-height:1.4}.chart-heading .quiet-button{margin-top:13px}.chart-heading p{font-size:.875rem}.chart-legend{display:grid;gap:11px;font-size:.875rem;margin:20px 0 27px}.chart-shell{height:240px;margin-left:37px}.y-label{left:-37px;font-size:.75rem}.chart-ticks{margin-left:37px;font-size:.75rem}.step-control>span{display:block;line-height:1.8}.step-control output{display:block}.small{font-size:.75rem;line-height:1.9}.assumptions-panel{padding-top:30px;gap:25px}.assumptions-intro h3{font-size:1.85rem;line-height:1.3}.assumptions-intro>p:not(.eyebrow){font-size:1rem;line-height:1.8}.assumptions-intro p.small{font-size:.75rem}.hazard-controls{grid-template-columns:1fr;gap:25px}.hazard-control{border-top:1px solid #455466;padding-top:20px}.hazard-control>label{font-size:1rem;margin-bottom:8px}.hazard-control>p{min-height:0;font-size:.875rem;line-height:1.8}.hazard-control output{font-size:.875rem}.number-wrap input{font-size:1rem;width:125px}.number-wrap>span{font-size:1rem}.shape-controls{grid-template-columns:1fr;gap:23px}.shape-controls label{font-size:.875rem}.arithmetic{font-size:.95rem;line-height:1.85;padding:24px 0 8px}.arithmetic .math{font-size:1.4rem;line-height:1.5}.endings-section,.rollback-section,.evidence-section{padding:43px 0 46px}.endings-section h2,.mechanisms h2,.rollback-section h2,.compare-section h2,.evidence-section h2,.conversation h2{font-size:2.35rem;line-height:1.16}.section-intro{font-size:1rem;line-height:1.85;margin:20px 0 25px}.ending-buttons{gap:9px;margin:25px 0}.ending-button{padding:15px 11px;font-size:.875rem;line-height:1.5}.ending-button .ending-number{font-size:1.85rem}.ending-stage{grid-template-columns:1fr;gap:26px}.ending-detail h3{font-size:2rem;line-height:1.3;margin:14px 0 19px}.ending-detail blockquote{font-size:1.45rem;line-height:1.6}.ending-detail>p{font-size:1rem;line-height:1.8}.future-picture{padding:21px}.future-picture-top{display:flex;align-items:center;font-size:.75rem}.future-picture-top>span:last-child{margin:0}.future-cells{gap:6px}.mechanisms{padding:44px 0}.mechanism-grid,.evidence-grid{grid-template-columns:1fr;gap:17px}.mechanism-grid article{padding:23px}.mechanism-status{min-height:0;font-size:.75rem}.mechanism-grid h3{font-size:1.25rem;margin:15px 0}.mechanism-grid p{font-size:1rem;line-height:1.85}.mechanism-grid .requirement{font-size:.875rem}.reproduction-chain{grid-template-columns:1fr;gap:8px;margin-top:25px}.reproduction-chain>span{display:block;transform:rotate(90deg);height:25px;line-height:25px}.reproduction-chain>span:nth-of-type(2){display:block}.reproduction-chain>div{font-size:1rem;padding:15px 20px}.chain-caption{font-size:.875rem;line-height:1.9}.rollback-grid{gap:25px}#policy-details summary{padding:17px;font-size:.875rem}.policy-controls{padding:0 17px 17px}.policy-control p{font-size:.875rem}.policy-control label{font-size:1rem}.policy-value{font-size:.875rem}.boundary-contract{padding-top:26px}.boundary-contract h3{font-size:1.7rem;line-height:1.3}.boundary-contract>p:not(.eyebrow){font-size:.875rem}.boundary-contract>label{font-size:.875rem;gap:12px}.boundary-contract label b{font-size:1rem}.boundary-contract .primary{width:100%}.compare-section{padding:46px 0}.compare-heading{display:block}.compare-heading .secondary{margin-top:23px}.comparison,.pins{grid-template-columns:1fr;gap:17px}.comparison-card{padding:23px}.comparison-card h3{font-size:1.15rem}.comparison-card .badge{font-size:.75rem}.comparison-card .comparison-value{font-size:2.7rem}.comparison-card .comparison-caption{font-size:.875rem}.comparison-row{font-size:.875rem}.comparison-card>p{font-size:.875rem}.sensitivity{grid-template-columns:1fr;gap:30px;padding-top:28px}.sensitivity h3{font-size:1.3rem;line-height:1.5}.sensitivity p:not(.eyebrow){font-size:1rem;line-height:1.8}.evidence-grid{margin-top:28px}.evidence-grid article{padding:23px}.evidence-label{min-height:0;font-size:.75rem}.evidence-grid h3{font-size:1.25rem;margin-top:15px}.evidence-grid p{font-size:1rem;line-height:1.85}.evidence-grid a{font-size:.875rem}.evidence-grid .inference{font-size:.875rem}.method>summary{padding:21px 17px;gap:14px}.method .eyebrow{font-size:.75rem}.method summary h3{font-size:1.4rem;line-height:1.4}.method-body{padding:0 17px 20px}.method-body p{font-size:.875rem;line-height:1.9}.equations{padding:15px}.equations code{font-size:.75rem;white-space:nowrap}.live-calculation{padding:16px}.conversation{padding:46px 0}.conversation-questions{grid-template-columns:1fr;gap:21px}.conversation-questions p{font-size:1.25rem;line-height:1.7;padding-top:19px}.conversation .primary{width:100%}.conversation #copy-status{font-size:.875rem}footer{display:block;padding:24px 0 28px}footer p{font-size:.75rem;margin:12px 0 15px}footer>a:last-child{font-size:.875rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{body{background:white;color:black}.topbar nav,.private,.primary,.secondary,.quiet-button,.model-controls,.assumptions-panel,.shape-controls,.policy-controls,footer,#toast{display:none!important}.wrap{width:100%;padding:20px}.opening{padding:10px}.opening-grid{display:block}h1{font-size:40px}.opening-copy{max-width:none;display:block}.opening-copy p,.section-intro,.metric p,.section-kicker{color:#444}.simulator,.mechanisms,.compare-section{padding:20px 0}.metrics{display:flex}.metric{width:33%;display:block}.metric-value{font-size:42px}.chart-panel,.interpretation,.comparison-card{break-inside:avoid}.endings-section,.evidence-section,.rollback-section{background:white}.mechanism-grid,.evidence-grid{display:block}.mechanism-grid article,.evidence-grid article{break-inside:avoid;margin:15px 0;background:#eee;color:#222}.mechanism-grid p,.mechanism-grid .requirement{color:#333}.conversation-questions{display:block}.conversation-questions p{color:#222}}

@media(max-width:600px){.metric{grid-template-columns:118px minmax(0,1fr);gap:0 12px}.metric-value{font-size:2.5rem}.pins .quiet-button{margin-left:20px}}

/* Causal pathway explorer. Geographic base is projected Natural Earth data. */
.pathways-section{--route-accent:var(--gold);padding:70px 0 65px;background:#0b111a;border-bottom:1px solid #394959}
.pathways-section h2{font-size:3.25rem}.pathways-section .section-intro{max-width:820px;margin-bottom:16px;color:#c2cdd8}
.pathways-framing{max-width:920px;font-size:.875rem;line-height:1.85;color:#9aafc0;margin-bottom:30px}
.pathway-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:24px}
.pathway-choices button{display:flex;gap:13px;text-align:left;padding:20px 16px;background:#182330;border:1px solid #43596b;border-radius:5px;min-height:108px;align-items:flex-start;line-height:1.5}
.pathway-choices button:hover{border-color:#b5c3cd}.pathway-choices button[aria-pressed=true]{background:#263443;border-color:var(--route-accent);box-shadow:inset 0 3px 0 var(--route-accent)}
.pathway-order{font-family:Georgia,serif;font-size:1.45rem;color:#8ca9bd;line-height:1.3}.pathway-choices button[aria-pressed=true] .pathway-order{color:var(--route-accent)}
.pathway-choices b{display:block;font-size:1rem;font-weight:600;line-height:1.4}.pathway-choices small{display:block;font-size:.875rem;color:#adbece;margin-top:8px;line-height:1.5}
.pathway-panel{border:1px solid #425367;border-radius:7px;background:#121d29;overflow:hidden}
.pathway-heading{padding:32px 32px 26px;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
.pathway-heading h3{font-family:Georgia,serif;font-weight:400;font-size:2rem;line-height:1.25;margin-top:13px;letter-spacing:-.025em;max-width:550px}
.pathway-heading>.eyebrow,.pathway-heading .eyebrow{color:var(--route-accent)}.pathway-heading>p{font-size:1rem;color:#bdccd8;line-height:1.85}
.pathway-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:0 32px;border:1px solid #4a6174;border-radius:4px;overflow:hidden}
.pathway-steps button{background:#182838;color:#adbecb;display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;border-right:1px solid #42576a;padding:13px 14px;min-height:88px;line-height:1.45;position:relative}
.pathway-steps button:last-child{border-right:0}.pathway-steps button>span{font-size:.75rem;color:#8eaabe;letter-spacing:.08em}.pathway-steps button>b{font-size:.875rem;font-weight:500;line-height:1.5}
.pathway-steps button[data-reached=true]{color:#edf5f9}.pathway-steps button[aria-pressed=true]{background:#304454;box-shadow:inset 0 -3px 0 var(--route-accent)}.pathway-steps button[aria-pressed=true]>span{color:var(--route-accent)}
.pathway-scene{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:35px;padding:22px 32px 30px;align-items:center}
.world-column{min-width:0}.pathway-world{position:relative;width:100%;max-width:520px;aspect-ratio:1;margin:0 auto}
.world-map{display:block;width:100%;height:100%;transition:filter 1s,opacity 1s;filter:saturate(.8)}.world-overlay{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.world-perimeter{fill:none;stroke:#7b9db4;stroke-opacity:.3;stroke-width:.9;stroke-dasharray:2 8}
#world-connections path{fill:none;stroke:#89d5e7;stroke-width:1.6;stroke-opacity:.6;transition:stroke 1s,stroke-opacity 1s}
#world-connections circle{fill:#89d5e7;stroke:#0c1b29;stroke-width:3;transition:fill 1s}
#world-connections path[data-condition='1']{stroke:var(--gold)}#world-connections path[data-condition='2']{stroke:#ff9872;stroke-width:2.7}#world-connections path[data-condition='3']{stroke:#ff7865;stroke-opacity:.65;stroke-dasharray:5 7}
#world-connections circle[data-condition='1']{fill:var(--gold)}#world-connections circle[data-condition='2']{fill:#ff9872}#world-connections circle[data-condition='3']{fill:#ff7865}
.world-hub{fill:#b8dee5;stroke:#172a39;stroke-width:6;transition:fill 1s}.world-ripples{fill:none;stroke:var(--route-accent);stroke-width:1;opacity:0;transition:opacity 1s}
.world-stage-tag{position:absolute;top:6px;left:0;border-left:2px solid var(--route-accent);padding:4px 10px;font-size:.75rem;letter-spacing:.08em;color:#c9d8e1;background:#121d29dd}
.world-human-status{font-family:Georgia,serif;text-align:center;font-size:1.65rem;line-height:1.3;color:var(--route-accent);max-width:440px;margin:0 auto 15px;min-height:44px;letter-spacing:-.025em}
.world-caption{font-size:.75rem;line-height:1.8;color:#a1b4c4;text-align:center;max-width:410px;margin:0 auto}
[data-stage='1'] .world-map{filter:saturate(.6)}[data-stage='2'] .world-map{filter:saturate(.4);opacity:.8}[data-stage='3'] .world-map{filter:saturate(.2);opacity:.6}[data-stage='4'] .world-map{filter:saturate(0);opacity:.27}
[data-stage='2'] .world-hub,[data-stage='3'] .world-hub,[data-stage='4'] .world-hub{fill:var(--red)}[data-stage='4'] .world-perimeter{stroke:var(--red);stroke-opacity:.7}
[data-pathway='biology']:not([data-stage='0']) .world-ripples{opacity:.4;animation:world-pulse 4s ease-in-out infinite}
[data-pathway='conflict']:not([data-stage='0']) .world-ripples{opacity:.4;stroke-dasharray:5 8;stroke-width:2}
[data-pathway='displacement']:not([data-stage='0']) .world-perimeter{stroke-width:5;stroke-dasharray:30 12;stroke:var(--route-accent)}
[data-stage='4'] .world-ripples{animation:none!important;opacity:.15}
@keyframes world-pulse{0%,100%{opacity:.15}50%{opacity:.55}}
.pathway-basis{display:block;color:var(--route-accent);font-size:.75rem;letter-spacing:.045em;line-height:1.7;margin-bottom:17px}
.pathway-stage h4{font-family:Georgia,serif;font-size:2.3rem;font-weight:400;line-height:1.2;letter-spacing:-.035em;max-width:490px;margin:0 0 20px;min-height:86px}
.pathway-stage>p{font-size:1rem;color:#bdcddb;line-height:1.85;min-height:120px}
.world-veto{border-left:2px solid var(--route-accent);padding:3px 0 3px 17px;margin:24px 0}
.world-veto>span{font-size:.75rem;letter-spacing:.035em;display:block;color:#99afc0;margin-bottom:6px}.world-veto strong{font-size:1rem;line-height:1.6;font-weight:500;color:#edf1f6}
.pathway-playback{display:flex;align-items:center;flex-wrap:wrap;gap:14px 20px}.pathway-playback .secondary{border-color:#8099ad;white-space:normal;text-align:center;min-width:165px;font-weight:500}.pathway-playback .secondary[aria-pressed=true]{border-color:var(--route-accent);color:var(--route-accent)}
.pathway-playback>div{display:flex;align-items:center;gap:20px}.pathway-playback>div>button{background:transparent;padding:10px 0;font-size:.875rem;min-height:44px;color:#d0e5f3}.pathway-playback>div>button:disabled{color:#8a9ba8;opacity:.6}
.world-systems-heading{display:flex;justify-content:space-between;gap:25px;margin:0 32px 12px;font-size:.875rem;line-height:1.6;color:#d5e1ea}.world-systems-heading>span:last-child{font-size:.75rem;color:#9bb1c1;white-space:nowrap}
.world-systems{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin:0 32px 29px}
.world-system{padding:13px 11px;border:1px solid #3d5568;border-top:3px solid var(--cyan);border-radius:3px;background:#1b2b39}.world-system>span{display:block;font-size:.875rem;line-height:1.5;min-height:42px;color:#d4e2eb}.world-system>b{display:block;font-size:.875rem;font-weight:500;line-height:1.5;color:var(--cyan);margin-top:7px}
.world-system[data-condition='1']{border-top-color:var(--gold)}.world-system[data-condition='1']>b{color:var(--gold)}.world-system[data-condition='2']{border-top-color:#ff9872}.world-system[data-condition='2']>b{color:#ff9872}.world-system[data-condition='3']{border-top-color:var(--red);background:#2b242c}.world-system[data-condition='3']>b{color:#ffac9f}
.pathway-conditions{display:grid;grid-template-columns:1fr 1fr;gap:35px;padding:28px 32px;background:#1a2734;border-block:1px solid #3a4d60}
.pathway-conditions .eyebrow{font-size:.75rem;color:#d4b99a}.pathway-conditions>div:last-child .eyebrow{color:#b6d1be}.pathway-conditions p{font-size:.875rem;color:#bed0dd;line-height:1.85;margin-top:12px}.pathway-conditions a{margin-top:13px}
.pathway-foundations{border:0;border-radius:0}.pathway-foundations>summary{padding:20px 32px;display:flex;justify-content:space-between;gap:22px;font-size:.875rem;align-items:center;line-height:1.6}.pathway-foundations>div{padding:0 32px 27px}
#pathway-priority{font-size:1rem;line-height:1.85;color:#c6d6e2;margin:7px 0 24px;max-width:1000px}
.pathway-evidence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.pathway-evidence>article{border-top:1px solid #526a7e;padding-top:18px}.pathway-evidence>article>span{font-size:.75rem;color:#a9c4d6;letter-spacing:.04em}.pathway-evidence p{font-size:.875rem;line-height:1.85;color:#bdcfdd;margin:10px 0 12px}.pathway-evidence a,.pathway-source-note a{font-size:.875rem;text-decoration:underline;text-underline-offset:4px;color:var(--cyan)}.pathway-source-note{font-size:.75rem;color:#a2b6c5;line-height:1.9;margin-top:25px;max-width:1000px}.pathway-source-note a{font-size:inherit}
.pathway-threshold{max-width:990px;border-left:3px solid var(--red);padding:3px 0 3px 23px;margin:35px 0 0}.pathway-threshold>span{font-size:.75rem;letter-spacing:.06em;line-height:1.7;color:#dbaa9e}.pathway-threshold>p{font-family:Georgia,serif;font-size:1.55rem;line-height:1.65;margin-top:13px;color:#d8e1e9}.pathway-threshold em{font-style:normal;color:#ffad9e}.pathway-nojs{padding:20px 0}
@media(max-width:1100px){.pathway-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.pathway-choices button{min-height:90px}.pathway-heading{gap:30px}.pathway-scene{gap:22px}.pathway-stage h4{font-size:2rem}.world-systems{grid-template-columns:repeat(3,minmax(0,1fr))}.world-system>span{min-height:0}.world-systems-heading{align-items:center}}
@media(max-width:800px){.pathways-section{padding:50px 0}.pathways-section h2{font-size:2.75rem}.pathway-heading{grid-template-columns:1fr;gap:18px;padding:26px 24px}.pathway-heading h3{max-width:none;font-size:1.9rem}.pathway-heading>p{font-size:1rem}.pathway-steps{margin-inline:24px}.pathway-steps button{padding:12px 9px;min-height:97px}.pathway-scene{padding:25px 24px 27px;grid-template-columns:1fr;gap:28px}.pathway-world{max-width:400px}.world-human-status{min-height:0}.pathway-stage h4{max-width:680px;min-height:0;font-size:2rem}.pathway-stage>p{min-height:0}.pathway-playback{justify-content:space-between}.world-systems-heading,.world-systems{margin-inline:24px}.pathway-conditions{padding:25px 24px;gap:25px}.pathway-foundations>summary{padding:20px 24px}.pathway-foundations>div{padding:0 24px 24px}.pathway-threshold>p{font-size:1.4rem}}
@media(max-width:600px){.pathways-section{padding:43px 0}.pathways-section h2{font-size:2.35rem;line-height:1.16}.pathways-framing{font-size:.875rem;line-height:1.85;margin-bottom:25px}.pathway-choices{gap:9px;margin-bottom:19px}.pathway-choices button{padding:15px 12px;display:block;min-height:130px}.pathway-order{font-size:1.2rem;display:block;margin-bottom:8px}.pathway-choices b{font-size:.875rem;line-height:1.5}.pathway-choices small{font-size:.75rem;line-height:1.6;margin-top:7px}.pathway-heading{padding:23px 17px;gap:17px}.pathway-heading h3{font-size:1.7rem;line-height:1.3}.pathway-heading>p{font-size:1rem;line-height:1.8}.pathway-steps{grid-template-columns:repeat(2,minmax(0,1fr));margin-inline:17px;border:0;gap:7px}.pathway-steps button{border:1px solid #42576a!important;border-radius:3px;padding:11px 12px;min-height:72px;gap:3px}.pathway-steps button:last-child{grid-column:1/-1;min-height:49px;flex-direction:row;align-items:center;gap:12px}.pathway-steps button>b{font-size:.875rem}.pathway-scene{padding:25px 17px;gap:27px}.pathway-world{max-width:370px}.world-stage-tag{font-size:.75rem;top:0;left:0;padding:3px 9px}.world-human-status{font-size:1.4rem;line-height:1.4;margin:8px auto 12px}.world-caption{font-size:.75rem;line-height:1.8}.pathway-basis{font-size:.75rem;line-height:1.8;margin-bottom:13px}.pathway-stage h4{font-size:1.9rem;line-height:1.28;margin-bottom:17px}.pathway-stage>p{font-size:1rem;line-height:1.85}.world-veto{margin:23px 0;padding-left:14px}.world-veto strong{font-size:1rem}.pathway-playback{display:block}.pathway-playback>.secondary{width:100%}.pathway-playback>div{justify-content:space-between;margin-top:12px;gap:15px}.pathway-playback>div>button{font-size:.875rem}.world-systems-heading{display:block;margin-inline:17px;font-size:.875rem}.world-systems-heading>span:last-child{display:block;margin-top:5px;font-size:.75rem}.world-systems{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:0 17px 25px}.world-system{padding:12px 10px}.world-system>span{font-size:.875rem;line-height:1.55;min-height:22px}.world-system>b{font-size:.875rem;margin-top:6px}.pathway-conditions{grid-template-columns:1fr;padding:23px 17px;gap:25px}.pathway-conditions p{font-size:1rem;line-height:1.85}.pathway-foundations>summary{padding:20px 17px;font-size:.875rem}.pathway-foundations>div{padding:0 17px 22px}#pathway-priority{font-size:1rem;line-height:1.85}.pathway-evidence{grid-template-columns:1fr;gap:23px}.pathway-evidence p{font-size:1rem;line-height:1.85}.pathway-evidence a{font-size:.875rem}.pathway-source-note{font-size:.75rem;line-height:1.9}.pathway-threshold{padding-left:17px;margin-top:27px}.pathway-threshold>span{font-size:.75rem;line-height:1.8}.pathway-threshold>p{font-size:1.3rem;line-height:1.7}}
@media(prefers-reduced-motion:reduce){.pathways-section *{animation:none!important;transition:none!important}}
@media print{.pathways-section{background:white;color:#182b39;padding:20px 0}.pathway-choices,.pathway-steps,.pathway-playback{display:none}.pathway-panel{background:white}.pathway-heading>p,.pathway-stage>p{color:#344c5e}.pathway-conditions{background:#e5edf2}.pathway-conditions p{color:#344c5e}.pathway-scene{break-inside:avoid}.pathway-world{max-width:300px}.pathway-threshold>p{color:#263b4c}}

/* Action choices. */
.opening-grid{grid-template-columns:1.12fr 1fr;gap:60px}.opening h1{font-size:clamp(2.8rem,5vw,4.55rem);line-height:1.09}.opening-copy{max-width:530px}.opening-copy .opening-lead{color:#ecf0f4;font-size:1.1rem;line-height:1.75}.opening-links{display:flex;gap:12px 28px;flex-wrap:wrap;margin-top:22px}.threat-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:45px;border-top:1px solid #4b5360;padding-top:23px}.threat-steps b{color:#ffa18f;font-size:.75rem;letter-spacing:.06em;display:block;margin-bottom:10px}.threat-steps span{display:block;color:#c2cad4;font-size:1rem;line-height:1.7}.opening-foundation{font-size:.75rem;color:#9eafbf;margin-top:22px;line-height:1.8}.opening-foundation a{text-decoration:underline;text-underline-offset:3px}.model-controls>label{width:min(630px,100%)}.model-controls select{max-width:100%}.model-controls>*{min-width:0}.decision-detail{margin-top:22px}.decision-action{font-size:1.05rem;line-height:1.8;max-width:1000px;color:#e3eaf0}.decision-reasons{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid #3d4b5c;margin-top:20px;padding-top:19px}.decision-reasons span{font-size:.75rem;letter-spacing:.06em;color:var(--gold)}.decision-reasons p{font-size:1rem;line-height:1.75;color:#b9c7d3;margin-top:8px}.decision-links{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:19px}.decision-override{font-size:.875rem;border-left:2px solid var(--gold);padding-left:15px;margin-top:20px;color:#dbcbab}.trigger-condition{margin:25px 0;padding:21px 24px;border:1px solid #6b6756;background:#272b2b}.trigger-condition label{display:flex;align-items:flex-start;gap:14px;font-size:1rem;color:#e0e3d9}.trigger-condition input{flex:none;width:21px;height:21px;accent-color:var(--mint);margin-top:5px}.trigger-condition b{display:block;margin-bottom:6px}.trigger-condition>p{font-size:.875rem;color:#babdad;margin-top:14px}.risk-shape{margin-bottom:29px;border-color:#516175}.risk-shape summary{display:flex;justify-content:space-between;gap:20px;padding:17px 19px;font-size:.875rem}.risk-shape>div{padding:0 19px 20px}.risk-shape label{font-size:.875rem}.risk-shape select{display:block;width:100%;margin-top:10px;background:#273440;border:1px solid #687c8e;border-radius:4px;padding:12px;font-size:1rem;color:white}.risk-shape .small{margin-top:13px}.risk-shape .mode-description{margin-top:14px}.comparison-context{font-size:.875rem;color:#b9cbd9;border-left:2px solid var(--gold);padding-left:17px;margin-bottom:25px}.decision-comparison .comparison-card:has([aria-pressed=true]){border-color:var(--cyan);box-shadow:inset 0 3px 0 var(--cyan)}.decision-comparison .comparison-card>p{font-size:.875rem}.mechanism-comparison{margin-top:28px}.mechanism-comparison>summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px;font-size:1rem}.mechanism-comparison>p{padding:0 22px 22px;font-size:1rem;color:#bccbd8}.mechanism-comparison>.comparison{padding:0 22px 22px}
.endings-section .text-link{color:#2f5c77}
@media(max-width:1100px){.opening-grid{gap:35px}.topbar nav{gap:15px}.opening h1{font-size:3.7rem}.threat-steps{gap:25px}.model-controls>label{width:70%}.decision-links{gap:10px 20px}}
@media(max-width:800px){.opening-grid{grid-template-columns:1fr;gap:25px}.opening-copy{display:block;max-width:720px}.opening h1{font-size:3.7rem;max-width:690px}.opening h1 br{display:none}.threat-steps{gap:18px}.model-controls>label{width:65%}}
@media(max-width:600px){.opening h1{font-size:2.8rem;line-height:1.13}.opening-copy .opening-lead{font-size:1.05rem}.opening-links{gap:12px;margin-top:20px;flex-direction:column;align-items:flex-start}.threat-steps{grid-template-columns:1fr;gap:21px;margin-top:28px;padding-top:23px}.threat-steps p{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px}.threat-steps b{margin:2px 0 0;line-height:1.7;letter-spacing:.025em}.threat-steps span{font-size:.875rem;line-height:1.75}.model-controls>label{width:100%}.decision-reasons{grid-template-columns:1fr;gap:18px}.decision-links{gap:9px 20px}.decision-action,.decision-reasons p{font-size:1rem}.trigger-condition{padding:18px 16px}.mechanism-comparison>summary,.mechanism-comparison>p{padding:18px}.mechanism-comparison>.comparison{padding:0 14px 17px}}
@media(prefers-reduced-motion:reduce){}
@media print{.threat-steps{display:block}.threat-steps p{margin:12px 0}.decision-detail{color:#223344}.decision-reasons p,.decision-action{color:#223344}}

/* Interactive 3D globe and its loading placeholder. */
.pathway-world:before{content:'';position:absolute;inset:5.8%;border-radius:50%;box-shadow:0 0 36px #64c2eb24,18px 27px 50px #0007;pointer-events:none}#world-globe{position:absolute;inset:0;width:100%;height:100%;touch-action:pan-y;cursor:grab}#world-globe.turning{cursor:grabbing}.world-overlay,.world-stage-tag{pointer-events:none}.globe-controls{display:flex;justify-content:center;align-items:center;gap:15px;flex-wrap:wrap;margin:0 0 22px;color:#a8c1d2}.globe-controls>span{font-size:.75rem}.globe-controls>div{display:flex;gap:6px}.globe-controls button{background:#203546;color:#d2e5f1;border:1px solid #5b778a;border-radius:4px;padding:7px 10px;min-width:42px;min-height:42px;font-size:.875rem}.globe-controls button:hover{background:#344c5f}
@media print{#world-globe,.globe-controls{display:none!important}.world-map[hidden]{display:block!important}}

/* Human outcomes connect to one geographic progression, rather than static scene crops. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.outcome-bridge{padding:26px;margin:27px 0 32px;background:#122132;color:#edf2f6;border-radius:5px;display:grid;grid-template-columns:1.15fr 1fr;gap:30px}.outcome-status{display:grid;gap:13px}.outcome-status>div{border-left:3px solid #e29382;padding:4px 0 5px 15px}.outcome-status>div[data-retained=true]{border-left-color:#b4d0b9}.outcome-status span{font-size:.75rem;color:#a9bdce;letter-spacing:.08em;display:block;margin-bottom:3px}.outcome-status strong{font-size:1rem;line-height:1.5;font-weight:500}.outcome-bridge p{font-size:1rem;line-height:1.85;color:#c1d0dd}.outcome-bridge .primary{margin-top:20px;text-align:left}.world-mode{display:flex;gap:8px;margin:0 0 22px}.world-mode button{font-size:1rem;padding:12px 20px;line-height:1.5;min-height:48px;border:1px solid #647d91;background:#1b2d3f;color:#d4e4ef;border-radius:4px}.world-mode button[aria-pressed=true]{background:#e5edf3;color:#172b3b;border-color:#e5edf3}.pathway-scene{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;padding-top:32px}.pathway-stage{padding-top:30px}.pathway-world{max-width:650px}.world-stage-tag{max-width:90%;font-size:.75rem;line-height:1.6;z-index:2;pointer-events:none}.world-human-status{font-size:1.4rem;min-height:0;margin:15px auto 12px}.pathway-world:before{inset:4%}.world-caption{max-width:530px;text-align:left;font-size:.875rem;line-height:1.8;color:#aebfd0}.world-map-basis{font-size:.75rem;line-height:1.8;color:#8ea5b8;margin-top:12px}.surface-legend{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;margin:6px 0 22px;font-size:.875rem;color:#dce7ef;line-height:1.5}.surface-legend span{display:flex;align-items:center;gap:9px}.surface-legend i{width:12px;height:12px;border-radius:50%;flex:none;border:1px solid #b7c9d4}.legend-human{background:#ffca66}.legend-powerless{background:#b97cff}.legend-dying{background:#ff563e}.legend-absent{background:#172535}.world-time{padding:20px;background:#1a2b3b;border:1px solid #5b758b;border-radius:5px;margin-bottom:18px}.world-time label{font-size:.875rem;line-height:1.65;display:block;color:#aec1d2}.world-time output{font-size:1rem;display:block;color:#ecf2f6;margin-top:5px}.world-time input{accent-color:#b79be5;height:42px;margin:9px 0 12px}.world-time .pathway-playback{display:flex;justify-content:space-between;gap:12px 18px}.world-time .primary{min-width:165px;font-weight:600}.world-time .pathway-playback>div{gap:16px}.world-time button{white-space:normal}.surface-regions{border-top:1px solid #536a7f;margin-top:26px;padding-top:13px}.surface-regions>div{display:grid;grid-template-columns:1fr 1.2fr;gap:15px;padding:13px 0;border-bottom:1px solid #3e5366;font-size:.875rem;line-height:1.7}.surface-regions span{color:#aebfcd}.surface-regions strong{font-weight:500;color:#e7edf4}.surface-reading{font-size:1rem;line-height:1.85;color:#c5d3df;margin-top:23px}.globe-regions{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:13px}.globe-regions button{min-height:42px;background:transparent;border:1px solid #526d81;border-radius:4px;padding:8px 10px;color:#c6d9e8;font-size:.875rem}.globe-regions button:hover{background:#263e51}.globe-controls{margin-bottom:18px}.pathway-world[data-flat=true]{aspect-ratio:2/1;max-width:none}.pathway-world[data-flat=true]:before{display:none}#world-flat{display:block;width:100%;height:100%;border:1px solid #456377;border-radius:4px}.pathway-world[data-flat=true] .world-stage-tag{top:-29px}#world-render-status{font-size:.75rem;color:#b3c5d4;line-height:1.7;margin:9px 0}.pathway-stage>p{min-height:0}.pathway-stage h4{min-height:0}.pathway-steps button{min-height:80px}.pathway-steps button>b{font-size:.875rem}.world-column{min-width:0}.pathway-choices button,.world-mode button{overflow-wrap:anywhere}
@media(max-width:1000px){.pathway-scene{grid-template-columns:1fr;gap:22px}.world-column{max-width:690px;width:100%;margin-inline:auto}.pathway-world{max-width:570px}.pathway-stage{padding-top:0}.outcome-bridge{grid-template-columns:1fr;gap:22px}.outcome-status{grid-template-columns:repeat(3,minmax(0,1fr))}.outcome-bridge .primary{margin-top:18px}.surface-regions>div{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.outcome-bridge{padding:21px 18px}.outcome-status{grid-template-columns:1fr;gap:14px}.outcome-bridge .primary{width:100%;font-size:.875rem}.world-mode{gap:7px}.world-mode button{flex:1;min-width:0;padding:11px 10px;font-size:.875rem;text-align:left}.pathway-steps{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px;overflow:visible;margin-inline:12px}.pathway-steps button{min-height:48px;padding:11px 0;align-items:center;justify-content:center;border-radius:3px}.pathway-steps button>span{font-size:1rem;line-height:1.5}.pathway-steps button>b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.pathway-steps button:last-child{grid-column:auto;min-height:48px;flex-direction:column;gap:0}.pathway-scene{padding:23px 12px 25px;gap:25px}.world-stage-tag{font-size:.75rem;line-height:1.6;padding:3px 7px;max-width:96%;top:-2px}.pathway-world{width:calc(100% + 10px);max-width:none;margin-inline:-5px}.surface-legend{font-size:.875rem;gap:10px 9px;margin-top:9px}.surface-legend i{width:11px;height:11px}.world-time{padding:17px 13px}.world-time .pathway-playback{display:block}.world-time .primary{width:100%}.world-time .pathway-playback>div{display:flex;justify-content:space-between;margin-top:10px}.world-time output{font-size:1rem}.world-caption{font-size:.875rem}.globe-regions{gap:6px}.globe-regions button{padding:8px;font-size:.75rem}.globe-controls{gap:9px}.globe-controls>span{font-size:.75rem}.surface-regions>div{grid-template-columns:1fr 1.1fr;gap:13px;font-size:.875rem}.surface-reading{font-size:1rem}.pathway-world[data-flat=true]{margin-top:28px;width:100%;margin-inline:0}.world-human-status{font-size:1.4rem;line-height:1.45}.pathway-stage h4{font-size:1.85rem}.world-mode button[aria-pressed=true]{box-shadow:inset 0 -3px 0 #b19aef}}
@media print{.world-mode,.world-time,.globe-regions,.globe-controls{display:none!important}.outcome-bridge{background:#e3e9ef;color:#123}.outcome-bridge p,.outcome-status strong{color:#123}.world-column{max-width:500px}.surface-reading{color:#234}}

.technical-assumptions{margin-top:17px;border-color:#4b6075}.technical-assumptions summary{padding:18px;font-size:.875rem;display:flex;justify-content:space-between;gap:16px}.technical-assumptions dl{margin:0;padding:0 18px}.technical-assumptions dl>div{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #405267;padding:12px 0;font-size:.875rem;line-height:1.7}.technical-assumptions dt{color:#b6c9da}.technical-assumptions dd{margin:0;text-align:right}.technical-assumptions>.text-link{margin:15px 18px 20px}.policy-verdict[data-status=inadmissible] strong{color:#efae9c}