:root{color-scheme:dark;--bg:#090b10;--panel:#11171b;--ink:#efe9df;--muted:#aeb7b8;--faint:#899798;--accent:#dfa483;--teal:#9bcac6;--line:rgba(220,228,229,.16);--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"Space Mono",monospace;--display:"Michroma",sans-serif;--serif:"Bodoni Moda",Georgia,serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,video:focus-visible{outline:2px solid var(--accent);outline-offset:5px}img,video{display:block;max-width:100%}img{height:auto}button{color:inherit}h1,h2,h3,p,figure{margin:0}h2,h3{font-weight:400}p{color:var(--muted)}em{font-family:var(--serif);font-weight:400;color:var(--ink)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;left:20px;top:-80px;background:var(--ink);color:var(--bg);padding:12px 18px;z-index:50}.skip:focus{top:15px}.wrap{width:min(1320px,calc(100% - 112px));margin:auto}.site-header{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 48px;background:#090b10ee;border-bottom:1px solid var(--line);position:relative;z-index:5}.brand{font:14px var(--display);letter-spacing:.07em;text-decoration:none;white-space:nowrap}.brand span{font:10px var(--mono);color:var(--faint);margin-left:22px;letter-spacing:.08em}.site-header nav{display:flex;gap:32px;align-items:center;font:12px var(--mono)}.site-header nav a{text-decoration:none;color:var(--muted)}.site-header nav a:hover{color:var(--ink)}.site-header .nav-source{color:var(--accent)}.hero{min-height:min(850px,calc(100svh - 78px));height:calc(100svh - 78px);max-height:1000px;position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:flex-end;padding:40px 56px 74px;overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;object-position:center 45%}.hero-shade{z-index:-1;background:linear-gradient(180deg,rgba(3,8,13,.13),rgba(3,8,13,.02) 20%,rgba(5,9,14,.2) 40%,rgba(5,9,14,.89) 100%)}.hero-top{position:absolute;top:32px;left:56px;right:56px;display:flex;justify-content:space-between}.eyebrow{font:10px/1.65 var(--mono);letter-spacing:.16em;text-transform:uppercase}.copper{color:var(--accent)}.teal{color:var(--teal)}.hero-copy{width:min(1320px,100%);margin:auto auto 0}.hero h1{font:400 clamp(42px,10.2vw,150px)/1.26 var(--display);letter-spacing:-.065em;margin:10px 0 14px}.hero-sub{color:var(--ink);font-size:clamp(21px,2.8vw,40px);line-height:1.2;letter-spacing:-.03em}.hero-sub em{font-size:1.2em}.hero-bottom{display:flex;justify-content:space-between;align-items:end;margin-top:30px;gap:30px}.hero-bottom p{font-size:14px;line-height:1.6;color:#c7cfd0}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;padding:15px 22px;min-height:52px;font:12px var(--mono);text-decoration:none;border:1px solid var(--line);background:none;transition:background .2s,border-color .2s}.button.primary{background:var(--ink);color:#172225;border-color:var(--ink)}.button.primary:hover{background:var(--accent);border-color:var(--accent)}.button small{font-size:9px;opacity:.65;border-left:1px solid #687775;padding-left:15px}.play-icon{font-size:10px}.button.outline:hover{border-color:var(--accent);background:#dfa48310}.hero-scroll{font:9px var(--mono);letter-spacing:.15em;position:absolute;left:56px;bottom:24px;text-decoration:none;color:#9eacaf}.hero-scroll span{display:inline-block;margin-left:22px}.intro{padding:80px 0;display:grid;grid-template-columns:1fr 2fr 1.2fr;gap:40px;align-items:center}.intro>p:nth-child(2){font-size:26px;line-height:1.5;color:var(--ink)}.intro>span{font-size:14px;color:var(--muted)}.section{padding-block:100px;border-top:1px solid var(--line)}.section-heading{position:relative;margin-bottom:46px;max-width:850px}.section-heading h2,.sheet-layout h2{font-size:clamp(32px,4.3vw,61px);line-height:1.14;letter-spacing:-.045em;margin:16px 0 24px}.section-heading h2 em,.sheet-layout h2 em{font-size:1.12em}.section-heading>p:last-child{font-size:17px;max-width:620px}.mode-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:20px}.segmented{display:flex;gap:4px;background:#12191d;padding:5px;width:max-content;border:1px solid var(--line);max-width:100%}.segmented button,.control-tabs button{border:0;background:transparent;color:var(--muted);font:11px var(--mono);padding:11px 16px;min-height:42px}.segmented button[aria-pressed=true]{background:#243232;color:var(--ink)}.segmented button:hover,.control-tabs button:hover{color:var(--ink)}.micro{font:10px/1.7 var(--mono);color:var(--faint)}.construction-screen{border:1px solid var(--line);background:#04080b;position:relative}.construction-screen video,.construction-screen img{width:100%;aspect-ratio:16/9;object-fit:contain}.construction-screen video{max-height:75vh}.construction-screen #stage-gallery{position:relative}.gallery-badge{position:absolute;bottom:20px;left:24px;background:#070d11de;padding:7px 12px;font:10px var(--mono);color:var(--teal)}.chapter-list{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-top:0}.chapter-list button{border:0;border-right:1px solid var(--line);padding:17px 12px;text-align:left;background:transparent;font:11px var(--mono);color:var(--muted);transition:background .2s}.chapter-list button:last-child{border-right:0}.chapter-list button span{display:block;color:var(--faint);font-size:9px;margin-bottom:8px}.chapter-list button[aria-current=true]{background:#1e2b2c;color:var(--ink);box-shadow:inset 0 2px var(--teal)}.chapter-list button:hover{background:#142023}.equation-panel{display:grid;grid-template-columns:1fr 1.5fr;gap:42px;padding:34px;background:#0f141a;border:1px solid var(--line);border-top:0;min-height:268px;align-items:center}.equation-panel h3{font-size:23px;line-height:1.3;margin:10px 0}.equation-panel p:not(.eyebrow){font-size:14px}.text-link,.text-button{font:11px var(--mono);color:var(--teal);display:inline-block;margin-top:18px}.text-button{border:0;background:none;padding:5px 0;text-decoration:underline;text-underline-offset:4px}.equation-content{min-width:0}.math-stack{font-size:17px;color:var(--ink)}.math-stack>div{overflow-x:auto;overflow-y:hidden;padding-block:6px}.katex-display{margin:.25em 0;text-align:left}.katex-display>.katex{text-align:left}.math-stack .katex{font-size:1.1em}.math-stack.compact{font-size:15px}.equation-content .micro{margin-top:15px;font:10px/1.7 var(--mono)!important}.screen-note{display:flex;justify-content:space-between;gap:25px;padding-block:14px;font:10px/1.6 var(--mono);color:var(--faint)}.screen-note a{flex-shrink:0;color:var(--teal)}.disclosure{margin-top:30px;border-block:1px solid var(--line);padding:20px 0}.disclosure summary{cursor:pointer;font:12px var(--mono);padding:5px 0;color:var(--muted)}#transcript{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:30px}#transcript article{border:1px solid var(--line);padding:22px;min-width:0}#transcript h3{font-size:20px;margin:8px 0}#transcript p{font-size:14px;margin:12px 0}#transcript .math-stack{font-size:13px}.explore-section{background:linear-gradient(130deg,#10151b,#090d12)}.control-lab{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:stretch;border:1px solid var(--line)}.control-picture{display:flex;flex-direction:column;justify-content:center;min-width:0;background:#070c10;position:relative}.control-picture img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}.control-picture figcaption{display:flex;justify-content:space-between;position:absolute;inset:auto 0 0;background:linear-gradient(transparent,#070c10ed);padding:35px 20px 15px;gap:14px;color:var(--ink);font:9px var(--mono)}.control-panel{padding:26px 30px;border-left:1px solid var(--line);min-width:0}.control-tabs{display:flex;gap:16px;border-bottom:1px solid var(--line);margin-bottom:23px}.control-tabs button{padding:7px 0 12px;flex:1;border-bottom:2px solid transparent}.control-tabs button[aria-pressed=true]{color:var(--teal);border-bottom-color:var(--teal)}.parameter-value{display:flex;justify-content:space-between;align-items:center;margin:8px 0 18px}.parameter-value>span{font:italic 40px Georgia;color:var(--teal)}.parameter-value output{font:32px var(--mono);color:var(--ink);letter-spacing:-.05em}.levels{width:100%;margin-bottom:20px}.levels button{flex:1}.control-panel p:not(.eyebrow):not(.micro){font-size:14px;margin-bottom:14px}.control-panel>.micro{margin-top:18px}.wave-lab{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.8fr);gap:64px;margin-top:85px;align-items:center}.wave-copy h3{font-size:33px;line-height:1.15;margin:13px 0 20px}.wave-copy h3 em{font-size:1.15em}.wave-copy>p:not(.eyebrow){font-size:14px;max-width:350px}.wave-switches{border:0;margin:23px 0;padding:0}.wave-switches label{display:flex;gap:10px;align-items:center;cursor:pointer;font-size:13px;padding:10px 0;border-bottom:1px solid var(--line)}.wave-switches label>span:last-child{margin-left:auto;font:9px var(--mono);color:var(--faint)}input[type=checkbox]{accent-color:var(--teal);width:17px;height:17px}.term-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.t1{background:#dfa483}.t2{background:#8acbc7}.t3{background:#a59cc9}.range-label{display:flex;justify-content:space-between;font:11px var(--mono);margin:20px 0 8px}.range-label output{color:var(--teal)}input[type=range]{accent-color:var(--teal);width:100%;min-height:30px;cursor:pointer}.wave-chart{min-width:0;border:1px solid var(--line);padding:25px;background:#0a1015}.chart-top{display:flex;justify-content:space-between;gap:20px}.wave-chart svg{width:100%;display:block}.wave-chart .micro:last-child{margin-top:18px}.sheet-layout{display:grid;grid-template-columns:1fr 1.6fr;align-items:center;gap:65px}.sheet-layout h2{font-size:clamp(30px,3.5vw,47px)}.sheet-layout p:not(.eyebrow){max-width:380px}.sheet-layout .button{margin-top:25px}.sheet-note{margin-top:22px}.sheet-preview{display:block;position:relative;border:1px solid var(--line);transform:rotate(-1.5deg);transition:transform .2s}.sheet-preview:hover{transform:rotate(0)}.sheet-preview span{position:absolute;right:10px;bottom:10px;background:#060b11dc;padding:5px 8px;font:9px var(--mono)}.sheet-preview img{width:100%}.reverse-section{background:#0d1016}.result-banner{display:flex;align-items:center;gap:32px;padding:30px 0;border-block:1px solid var(--line);margin-bottom:35px}.result-banner>strong{font:76px/1 var(--serif);color:var(--teal)}.result-banner>strong span{font-size:40px;color:var(--faint)}.result-banner h3{font-size:23px}.result-banner p{font-size:14px;max-width:560px;margin-top:5px}.result-banner>a{margin-left:auto;font:10px var(--mono);color:var(--teal);max-width:155px}.case-toolbar{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}.case-toolbar .small button{font-size:10px;padding-inline:12px}.recovery-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px;align-items:center}.compare-frame{position:relative;--split:50%;aspect-ratio:16/9;background:#05090d;border:1px solid var(--line);overflow:hidden}.compare-frame img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.compare-truth{clip-path:inset(0 calc(100% - var(--split)) 0 0)}.compare-divider{position:absolute;left:var(--split);top:0;bottom:0;width:1px;background:var(--ink)}.compare-divider:after{content:"↔";position:absolute;left:-17px;top:calc(50% - 17px);width:34px;height:34px;border-radius:50%;background:var(--ink);color:#172023;text-align:center;line-height:34px;font-size:18px}.compare-label{position:absolute;top:14px;padding:4px 8px;background:#071015bd;font:9px var(--mono)}.compare-label.left{left:14px}.compare-label.right{right:14px}.compare-controls{margin-top:13px}.compare-controls label{display:block;font:11px var(--mono);color:var(--muted)}.compare-controls .micro{display:block}.case-detail h3{font-size:27px;line-height:1.2;margin:13px 0}.case-detail>p:not(.eyebrow):not(.micro){font-size:14px}.case-metrics{display:flex;gap:24px;flex-wrap:wrap;margin:25px 0}.case-metrics dt{font:9px var(--mono);color:var(--faint)}.case-metrics dd{margin:8px 0 0;font:28px var(--mono);color:var(--ink)}.case-detail .failed{color:var(--accent)}.table-scroll{overflow:auto;margin-top:28px}.parameters{width:100%;border-collapse:collapse;text-align:right;white-space:nowrap}.parameters caption{text-align:left;font:11px var(--mono);color:var(--muted);padding-bottom:15px}.parameters th,.parameters td{border-bottom:1px solid var(--line);padding:12px 18px;font:12px var(--mono)}.parameters th{font-size:10px;color:var(--faint);font-weight:400}.parameters th:first-child,.parameters td:first-child{text-align:left;padding-left:0}.parameters td.error{color:var(--accent)}.trace-panel{margin-top:42px;display:grid;grid-template-columns:1fr 1.8fr;gap:45px;padding:30px;border:1px solid var(--line);background:#10171c}.trace-panel h3{font-size:25px;margin:10px 0}.trace-panel p:not(.micro):not(.eyebrow){font-size:14px}.trace-panel .button{margin-top:20px}.trace-panel svg{width:100%;display:block}.trace-readout{display:flex;flex-wrap:wrap;gap:15px;font:10px var(--mono);color:var(--muted);margin-top:17px}.trace-readout output{color:var(--teal)}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 60px;margin-top:35px}.method-grid h3{font-size:20px;margin-bottom:12px}.method-grid p{font-size:14px;margin-top:12px}.actions{display:flex;gap:25px;flex-wrap:wrap}.resource-list{border-top:1px solid var(--line)}.resource-list>a{display:grid;grid-template-columns:1fr 1.6fr 1.4fr 30px;gap:25px;align-items:center;border-bottom:1px solid var(--line);padding:28px 0;text-decoration:none;transition:background .2s}.resource-list>a:hover{background:#dfa48308}.resource-list span{font:10px var(--mono);color:var(--accent)}.resource-list strong{font-size:23px;line-height:1.2;font-weight:400}.resource-list small{font-size:13px;color:var(--muted)}.resource-list b{font-size:24px;font-weight:400;color:var(--teal)}.credits{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:45px}.credits p{font-size:12px;max-width:500px}.site-footer{padding:35px 56px;border-top:1px solid var(--line);display:flex;gap:30px;align-items:center;flex-wrap:wrap}.site-footer>span{font:9px var(--mono);color:var(--faint)}.site-footer>div{margin-left:auto;display:flex;gap:30px;font:11px var(--mono)}.site-footer .preview-note{flex-basis:100%;font:9px var(--mono);color:var(--faint)}.no-script{padding:20px;background:#263c3b;color:var(--ink)}
@media(min-width:1550px){.hero{padding-inline:max(56px,calc((100vw - 1320px)/2))}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.site-header{padding-inline:32px}.hero{padding-inline:32px;min-height:650px}.hero-top{left:32px;right:32px}.hero-scroll{left:32px}.intro{grid-template-columns:1fr 1.7fr;gap:25px}.intro>span{grid-column:2}.control-lab{grid-template-columns:1.2fr 1fr}.control-panel{padding:22px}.control-picture img{object-position:40% center}.wave-lab{gap:35px}.equation-panel{gap:25px;padding:25px}.math-stack{font-size:14px}.sheet-layout{gap:35px}.recovery-grid{gap:25px}.trace-panel{gap:25px}.site-footer{padding-inline:32px}}
@media(max-width:760px){html{scroll-padding-top:20px}.wrap{width:calc(100% - 36px)}.site-header{height:68px;padding:0 18px}.brand{font-size:12px}.brand span{display:none}.site-header nav{gap:18px;font-size:10px}.hero{height:calc(90svh - 68px);min-height:580px;padding:30px 22px 68px}.hero-top{top:25px;left:22px;right:22px}.hero-top .eyebrow{font-size:8px}.hero-top .eyebrow:last-child{display:none}.hero-image{object-position:46% center}.hero h1{font-size:10.2vw;letter-spacing:-.07em;margin:17px 0}.hero-sub{font-size:23px;max-width:300px;line-height:1.3}.hero-bottom{align-items:start;flex-direction:column;gap:23px;margin-top:23px}.hero-bottom p{font-size:12px}.hero-bottom .button{min-height:49px;font-size:11px;padding:13px 17px}.hero-scroll{left:22px;bottom:22px;font-size:8px}.intro{display:block;padding-block:48px}.intro>p:nth-child(2){font-size:23px;margin:15px 0}.intro>span{display:block;max-width:350px}.section{padding-block:60px}.section-heading{margin-bottom:30px}.section-heading h2{font-size:36px}.section-heading>p:last-child{font-size:15px}.mode-row{align-items:start;flex-direction:column;gap:10px}.mode-row .segmented button{font-size:10px}.chapter-list{grid-template-columns:repeat(3,1fr)}.chapter-list button{font-size:10px;border-bottom:1px solid var(--line);padding:12px}.chapter-list button:nth-child(3){border-right:0}.chapter-list button:nth-child(n+4){border-bottom:0}.chapter-list button span{margin-bottom:4px}.equation-panel{grid-template-columns:1fr;gap:25px;padding:22px 18px;min-height:0}.equation-panel h3{font-size:22px}.equation-panel p:not(.eyebrow){font-size:14px}.math-stack{font-size:13px}.screen-note{flex-direction:column;gap:10px}.screen-note a{align-self:start}#transcript{grid-template-columns:1fr}.control-lab{grid-template-columns:1fr}.control-picture img{aspect-ratio:16/9;min-height:0}.control-panel{border-left:0;border-top:1px solid var(--line);padding:20px}.control-picture figcaption{font-size:8px;gap:6px;padding-inline:12px}.control-lab .math-stack{font-size:14px}.wave-lab{grid-template-columns:1fr;margin-top:50px;gap:25px}.wave-copy h3{font-size:29px}.wave-copy>p:not(.eyebrow){max-width:none}.wave-chart{padding:16px 10px}.wave-chart .chart-top{padding-inline:5px}.wave-chart .chart-top .micro{font-size:8px}.wave-chart .math-stack{font-size:12px}.wave-chart>.micro{padding-inline:5px;font-size:9px}.sheet-layout{grid-template-columns:1fr;gap:30px}.sheet-layout h2{font-size:36px}.sheet-preview{transform:none}.result-banner{gap:18px;flex-wrap:wrap;padding-block:23px}.result-banner>strong{font-size:66px}.result-banner>div{flex:1;min-width:200px}.result-banner h3{font-size:20px}.result-banner p{font-size:13px}.result-banner>a{max-width:none;margin-left:0}.case-toolbar{gap:12px}.case-toolbar .segmented{width:100%;gap:0}.case-toolbar .segmented button{flex:1;padding-inline:6px;font-size:9px}.case-toolbar .segmented.small button{font-size:9px;line-height:1.5;padding-inline:6px}.recovery-grid{grid-template-columns:1fr;gap:26px}.case-detail h3{font-size:25px}.case-metrics{gap:35px}.parameters th,.parameters td{padding-inline:12px;font-size:10px}.parameters th{font-size:9px}.trace-panel{grid-template-columns:1fr;padding:20px;gap:22px}.method-grid{grid-template-columns:1fr;gap:25px}.resource-list>a{grid-template-columns:1fr 25px;gap:8px;padding-block:24px}.resource-list span{grid-column:1}.resource-list strong{font-size:22px;grid-column:1}.resource-list small{grid-column:1}.resource-list b{grid-column:2;grid-row:1/4}.credits{grid-template-columns:1fr;gap:18px;margin-top:28px}.site-footer{padding:28px 20px;gap:20px}.site-footer>span{font-size:8px;max-width:180px}.site-footer>div{margin:0;flex-basis:100%;justify-content:space-between;font-size:10px}.disclosure summary{font-size:11px}.gallery-badge{font-size:9px;bottom:10px;left:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.sheet-preview{transform:none}}
@media print{.site-header,.hero-scroll,button,video,input,.preview-note{display:none!important}.hero{height:500px}.section{break-inside:avoid}.wrap{width:95%}body{background:white;color:black}}

.math-scroll-note{display:none}@media(max-width:760px){.math-scroll-note{display:block;margin-top:10px;color:var(--teal);font:9px var(--mono)}}