@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.table{display:table}}:root{--ink:#08141e;--ink-soft:#203542;--paper:#f4f2eb;--paper-deep:#e8e5dc;--line:#08141e24;--blue:#168be0;--green:#159f75;--red:#c75656}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.explorer-shell{padding:0 3.2vw 3.2vw}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:78px;display:flex}.brand{color:var(--ink);letter-spacing:-.02em;align-items:center;gap:11px;font-size:14px;font-weight:720;text-decoration:none;display:inline-flex}.brand-mark{color:#e9f7ff;background:var(--ink);border-radius:50%;place-items:center;width:29px;height:29px;font-family:Georgia,serif;font-size:17px;font-style:italic;display:grid}.intro{padding:48px 0 32px}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:#66808e;margin:0 0 13px;font-size:10px;font-weight:800}.intro h1{letter-spacing:-.055em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(44px,5.4vw,78px);font-weight:400;line-height:.88}.intro h1 em{color:inherit;font-weight:400}.intro-subtitle{color:#405460;max-width:620px;margin:22px 0 0;font-size:14px;line-height:1.65}.workspace{background:#e9e7df;border:1px solid #08141e30;border-radius:20px;grid-template-columns:minmax(255px,.31fr) minmax(0,1fr);min-height:670px;display:grid;overflow:hidden;box-shadow:0 24px 80px #11232e1f}.control-panel{border-right:1px solid var(--line);background:#faf9f5eb;flex-direction:column;gap:22px;padding:22px;display:flex}.status-card{background:snow;border:1px solid #a04c4c36;border-radius:14px;padding:21px;transition:background .3s,border-color .3s}.status-card.is-approved{background:#f4fcf8;border-color:#159f7540}.status-kicker,.panel-label{color:#71818a;letter-spacing:.15em;text-transform:uppercase;font-size:9px;font-weight:800;display:block}.status-card>strong{letter-spacing:-.05em;margin:8px 0 2px;font-family:Georgia,serif;font-size:52px;font-weight:400;line-height:1;display:block}.status-result{color:var(--red);letter-spacing:.09em;text-transform:uppercase;align-items:center;gap:7px;font-size:11px;font-weight:820;transition:color .3s;display:flex}.status-card.is-approved .status-result{color:var(--green)}.status-result i{background:currentColor;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px}@supports (color:color-mix(in lab, red, red)){.status-result i{box-shadow:0 0 0 4px color-mix(in srgb, currentColor 13%, transparent)}}.threshold-track{background:#dcdedc;border-radius:99px;height:3px;margin-top:19px;position:relative}.threshold-track span{border-radius:inherit;background:var(--red);height:100%;transition:width .3s,background .3s;display:block}.is-approved .threshold-track span{background:var(--green)}.threshold-track i{background:var(--ink);width:1px;height:11px;position:absolute;top:-4px}.threshold-caption{color:#7c8a91;margin-top:8px;font-size:9px;display:block}.sliders{flex-direction:column;gap:20px;display:flex}.range-control{display:block}.range-head{justify-content:space-between;align-items:center;font-size:12px;font-weight:720;display:flex}.range-head output{text-align:center;border:1px solid var(--line);font-variant-numeric:tabular-nums;color:#213640;background:#fff;border-radius:6px;min-width:52px;padding:5px 8px}.range-control input{cursor:pointer;appearance:none;background:0 0;width:100%;height:17px;margin:10px 0 0}.range-control input::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--blue) var(--range-progress), #d5dbdd var(--range-progress));border-radius:99px;height:3px}.range-control input::-webkit-slider-thumb{appearance:none;background:var(--blue);width:16px;height:16px;box-shadow:0 0 0 1px var(--blue), 0 2px 7px #0000002e;border:3px solid #fff;border-radius:50%;margin-top:-6.5px}.range-control input::-moz-range-track{background:#d5dbdd;height:3px}.range-control input::-moz-range-progress{background:var(--blue);height:3px}.range-control input::-moz-range-thumb{background:var(--blue);border:3px solid #fff;border-radius:50%;width:12px;height:12px}.range-control input:focus-visible{outline:2px solid var(--blue);outline-offset:4px;border-radius:99px}.range-scale{color:#9aa5aa;justify-content:space-between;margin-top:1px;font-size:8px;display:flex}.math-live{border-top:1px solid var(--line);margin-top:auto;padding-top:18px}.math-live p{margin:9px 0 7px;font-family:Georgia,serif;font-size:19px;font-style:italic}.math-live code{color:#50636d;font-family:SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.65;display:block}.math-live strong{color:var(--blue);margin-top:7px;font-family:Georgia,serif;font-size:20px;font-weight:400;display:block}.visual-panel{background:#07131d;min-width:0;padding-bottom:54px;position:relative}.scene-wrap{background:#07131d;position:absolute;inset:0 0 54px}.scene-wrap canvas{touch-action:none}.webgl-fallback{text-align:center;color:#dceaf1;background:radial-gradient(circle,#102c3d,#07131d 58%);place-content:center;padding:30px;display:grid;position:absolute;inset:0}.webgl-fallback span{font-family:Georgia,serif;font-size:24px}.webgl-fallback p{color:#89a1ae;max-width:380px;margin:9px auto 0;font-size:11px;line-height:1.6}.scene-legend{color:#aabcc7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#06141eb3;border:1px solid #ffffff17;border-radius:8px;gap:14px;padding:8px 10px;font-size:9px;display:flex;position:absolute;top:17px;left:18px}.scene-legend span{align-items:center;gap:5px;display:flex}.legend-dot{background:currentColor;border-radius:50%;width:7px;height:7px}.legend-dot--blue{color:#3ba7f5}.legend-dot--green{color:#64dfb0}.legend-dot--yellow{color:#ffe88a}.scene-hint{color:#cfe1eb8c;letter-spacing:.04em;font-size:8px;position:absolute;bottom:14px;right:18px}.scene-label,.axis-name,.axis-tick,.point-label{pointer-events:none;white-space:nowrap;-webkit-user-select:none;user-select:none}.axis-tick{color:#c3d7e299;font-size:8px}.axis-name{color:#d1e1e9;background:#07131db8;border-radius:4px;padding:3px 6px;font-size:9px;font-weight:750}.scene-label{color:#bcd8e8;text-transform:uppercase;letter-spacing:.08em;background:#07131dc7;border:1px solid #ffffff1f;border-radius:5px;padding:4px 7px;font-size:8px}.scene-label--approval{color:#78e7bb}.scene-label--boundary{color:#ffe88a}.point-label{color:#ffd2d2;text-align:center;background:#220b0fd4;border:1px solid #ff7e7e59;border-radius:6px;min-width:74px;padding:6px 8px;transition:all .3s}.point-label.is-approved{color:#c2ffe5;background:#08271fdb;border-color:#60f0b759}.point-label strong{font-size:10px;display:block}.point-label span{color:#d7e6eca8;margin-top:2px;font-size:7px;display:block}.camera-bar{background:#0b1d29;border-top:1px solid #ffffff14;grid-template-columns:repeat(4,1fr);height:54px;display:grid;position:absolute;inset:auto 0 0}.camera-bar button{color:#a9bbc6;cursor:pointer;background:0 0;border:0;border-right:1px solid #ffffff12;font-size:11px;transition:all .15s}.camera-bar button:hover{color:#fff;background:#ffffff0f}.camera-bar button span{margin-left:4px;font-size:9px;font-weight:650}.formula-strip{grid-template-columns:.55fr 1.4fr .55fr;align-items:center;padding:22px 10px 6px;display:grid}.formula-strip>span{color:#71828a;letter-spacing:.07em;text-transform:uppercase;font-size:9px;font-weight:760}.formula-strip>span:last-child{text-align:right;color:var(--green)}.formula-strip p{text-align:center;margin:0;font-family:Georgia,serif;font-size:clamp(18px,2.1vw,30px)}.formula-strip i{color:var(--blue)}.explanation{border-top:1px solid var(--line);background:#fbfaf6;padding:110px max(3.2vw,50vw - 590px) 90px}.section-heading{grid-template-columns:.7fr 1fr;align-items:end;column-gap:70px;margin-bottom:46px;display:grid}.section-heading .eyebrow{grid-column:1/-1}.section-heading h2{letter-spacing:-.045em;max-width:550px;margin:0;font-family:Georgia,serif;font-size:clamp(36px,4.5vw,62px);font-weight:400;line-height:.98}.section-heading>p:last-child{color:#63747d;max-width:330px;margin:0 0 5px;font-size:14px;line-height:1.6}.story-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.story-card{border:1px solid var(--line);background:#f4f2eb;border-radius:14px;min-height:300px;padding:34px;position:relative;overflow:hidden}.story-card--wide{grid-column:1/-1;grid-template-columns:60px .9fr 1fr;align-items:center;gap:28px;min-height:240px;display:grid}.story-number{color:#9ba5a9;font-family:Georgia,serif;font-size:13px;position:absolute;top:18px;right:20px}.story-card--wide .story-number{color:var(--blue);align-self:start;padding-top:3px;font-size:17px;position:static}.story-card h3{letter-spacing:-.03em;margin:0 0 14px;font-family:Georgia,serif;font-size:25px;font-weight:400}.story-card p{color:#576a74;max-width:560px;margin:0;font-size:13px;line-height:1.75}.story-card p strong{color:var(--ink)}.mapping-visual{background:linear-gradient(130deg,#168be012,#159f7512);border:1px solid #168be033;border-radius:10px;justify-content:center;align-items:center;gap:22px;min-height:110px;font-family:Georgia,serif;display:flex}.mapping-visual span{font-size:27px}.mapping-visual i{color:var(--blue);font-size:24px}.mapping-visual strong{color:var(--green);font-size:20px;font-weight:400}.mini-equation{border-top:1px solid var(--line);color:var(--blue);padding-top:15px;font-family:Georgia,serif;font-size:16px;position:absolute;bottom:30px;left:34px}.plane-card{grid-template-columns:60px .65fr 1fr;margin-top:0}.plane-steps{border-left:1px solid var(--line);padding:20px}.plane-steps p,.plane-steps strong{color:var(--ink);font-family:Georgia,serif;font-size:16px;line-height:1.5}.plane-steps span{color:#89979e;text-transform:uppercase;letter-spacing:.1em;margin:8px 0;font-size:9px;display:block}.coefficients{border-top:1px solid var(--line);grid-column:2/-1;grid-template-columns:repeat(4,1fr);display:grid}.coefficients span{color:#435962;font-variant-numeric:tabular-nums;padding:14px;font-size:11px}.coefficients i{color:var(--blue);margin-bottom:5px;font-family:Georgia,serif;font-size:18px;display:block}.level-note{border:1px solid var(--line);background:var(--ink);color:#d8e3e9;border-radius:12px;margin-top:12px}.level-note summary{cursor:pointer;color:#eef6f9;padding:22px 26px;font-family:Georgia,serif;font-size:17px}.level-note>div{color:#aebdc4;padding:0 26px 25px;font-size:13px;line-height:1.7}.level-note code{color:#79e7bc;border:1px solid #ffffff1f;border-radius:6px;margin:13px 0;padding:9px 12px;display:inline-block}.site-footer{border-top:1px solid var(--line);color:#71828a;background:#fbfaf6;justify-content:space-between;align-items:center;min-height:120px;padding:35px 3.2vw;font-size:10px;display:flex}.site-footer span:first-child{color:var(--ink);font-weight:750}@media (max-width:900px){.explorer-shell{padding-inline:18px}.intro{padding-top:35px}.workspace{grid-template-columns:1fr}.control-panel{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.math-live{margin-top:0}.visual-panel{height:600px}.section-heading{grid-template-columns:1fr;gap:18px}.story-card--wide,.plane-card{grid-template-columns:42px 1fr}.story-card--wide .mapping-visual,.plane-card .plane-steps,.coefficients{grid-column:2}}@media (max-width:620px){.topbar{height:64px}.intro h1{font-size:49px}.workspace{border-radius:14px;min-height:0}.control-panel{padding:15px;display:flex}.status-card{padding:17px}.status-card>strong{font-size:45px}.visual-panel{height:490px}.scene-wrap{bottom:58px}.scene-legend{justify-content:center;gap:8px;left:10px;right:10px}.scene-hint{display:none}.camera-bar{height:58px}.camera-bar button{font-size:15px}.camera-bar button span{margin:3px 0 0;font-size:7px;display:block}.formula-strip{text-align:center;grid-template-columns:1fr;gap:9px;padding:18px 4px}.formula-strip>span:last-child{text-align:center}.explanation{padding:72px 18px}.story-grid{grid-template-columns:1fr}.story-card,.story-card--wide{grid-column:1;min-height:0;padding:27px;display:block}.story-card--wide .story-number{margin-bottom:22px;display:block}.mapping-visual,.plane-steps{margin-top:25px}.mini-equation{margin-top:30px;position:static}.coefficients{grid-column:1;grid-template-columns:repeat(2,1fr);margin-top:24px}.site-footer{flex-direction:column;justify-content:center;gap:8px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.page-container{width:min(1180px,100% - 6.4vw);margin-inline:auto}.site-header{z-index:100;border-bottom:1px solid var(--line);background:var(--paper);grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:76px;padding:0 3.2vw;display:grid;position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.site-header{background:color-mix(in srgb, var(--paper) 88%, transparent)}}.site-header{-webkit-backdrop-filter:blur(18px)}.site-header .brand-copy{gap:1px;display:grid}.site-header .brand-copy strong{font-size:13px;line-height:1.2}.site-header .brand-copy small{color:#72828b;letter-spacing:.02em;font-size:8px;font-weight:600}.primary-nav{border:1px solid var(--line);background:#ffffff61;border-radius:99px;align-items:center;gap:3px;padding:4px;display:flex}.primary-nav a{color:#5e7079;border-radius:99px;padding:9px 16px;font-size:10px;font-weight:750;text-decoration:none;transition:color .2s,background .2s,box-shadow .2s;position:relative}.primary-nav a:hover{color:var(--ink)}.primary-nav a.is-active{color:#eef7fb;background:var(--ink);box-shadow:0 4px 12px #08141e2e}.header-cta{color:var(--ink);justify-self:end;font-size:10px;font-weight:800;text-decoration:none}.header-cta span{color:#fff;background:var(--blue);border-radius:50%;place-items:center;width:24px;height:24px;margin-left:6px;display:inline-grid}.site-footer{border-top:1px solid var(--line);color:#6e7f87;background:#edeae2;grid-template-columns:1fr auto 1fr;align-items:center;gap:32px;min-height:180px;padding:42px 3.2vw;display:grid}.site-footer>div{align-items:center;gap:13px;display:flex}.footer-mark{color:#fff;background:var(--ink);border-radius:50%;place-items:center;width:34px;height:34px;font:italic 18px Georgia,serif;display:grid}.site-footer strong{color:var(--ink);font-size:11px}.site-footer p{margin:3px 0 0;font-size:9px}.site-footer nav{gap:25px;display:flex}.site-footer a{color:#4f626b;font-size:10px;font-weight:700;text-decoration:none}.site-footer a:hover{color:var(--blue)}.site-footer>span{letter-spacing:.12em;text-transform:uppercase;justify-self:end;font-size:8px;font-weight:800}.home-page{overflow:hidden}.home-hero{color:#e9f2f6;background:#07131d;grid-template-columns:minmax(420px,.9fr) minmax(420px,1.1fr);align-items:center;gap:6vw;min-height:min(780px,100vh - 76px);padding:clamp(70px,8vw,110px) 6.4vw 64px;display:grid;position:relative;overflow:hidden}.hero-grid{opacity:.15;background-image:linear-gradient(#82b8d538 1px,#0000 1px),linear-gradient(90deg,#82b8d538 1px,#0000 1px);background-size:54px 54px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#0000 78%);mask-image:linear-gradient(90deg,#000,#0000 78%)}.hero-orbit{border:1px solid #52bfff1f;border-radius:50%;position:absolute}.hero-orbit--one{width:740px;height:740px;top:-270px;right:-190px}.hero-orbit--two{width:470px;height:470px;bottom:-320px;right:-30px}.home-hero__copy{z-index:2;position:relative}.eyebrow--light{color:#7f9aa8}.eyebrow--light>span{background:#5ee7b3;border-radius:50%;width:5px;height:5px;margin:0 7px 1px 0;display:inline-block;box-shadow:0 0 0 5px #5ee7b31a}.home-hero h1{letter-spacing:-.06em;max-width:760px;margin:0;font:400 clamp(49px,5.3vw,82px)/.91 Georgia,serif}.home-hero h1 em{color:#65baf6;font-weight:400}.home-hero__copy>p:not(.eyebrow){color:#9fb2bc;max-width:585px;margin:27px 0 0;font-size:14px;line-height:1.75}.hero-actions{gap:11px;margin-top:34px;display:flex}.button{border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:25px;min-height:46px;padding:0 18px;font-size:10px;font-weight:820;text-decoration:none;transition:transform .2s,background .2s,border-color .2s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button--primary{color:#06141d;background:#65c2fb}.button--primary:hover{background:#8bd2fc}.button--ghost{color:#d9e5eb;background:#ffffff08;border-color:#ffffff2b}.button--ghost:hover{background:#ffffff12;border-color:#ffffff52}.button--dark{color:#fff;background:var(--ink)}.hero-model{z-index:2;aspect-ratio:1.08;perspective:900px;background:radial-gradient(circle at 55% 45%,#12364a 0,#091a26 42%,#06111a 75%);border:1px solid #ffffff17;border-radius:20px;justify-self:center;width:min(100%,610px);position:relative;overflow:hidden;box-shadow:0 35px 90px #00000059}.model-label{color:#809aa8;letter-spacing:.14em;text-transform:uppercase;font-size:8px;font-weight:800;position:absolute;top:20px;left:22px}.model-plane{width:75%;height:44%;transform-style:preserve-3d;border:1px solid;position:absolute;top:28%;left:13%}.model-plane--function{background:linear-gradient(145deg,#239ae76b,#2070a614);border-color:#52b7f9a6;transform:rotateX(60deg)rotate(-19deg)translateY(-30px);box-shadow:0 0 35px #209def1f}.model-plane--threshold{background:#3dcf9921;border-color:#57e0ae80;transform:rotateX(60deg)rotate(8deg)translateY(38px)}.model-line{background:#ffe989;width:63%;height:2px;position:absolute;top:49%;left:21%;transform:rotate(-8deg);box-shadow:0 0 12px #ffe989}.model-point{background:#67edb9;border-radius:50%;width:17px;height:17px;position:absolute;top:39%;left:60%;box-shadow:0 0 0 9px #67edb91a,0 0 22px #67edb9}.model-point i{border-left:1px dashed #c4dde96e;height:104px;position:absolute;top:16px;left:8px}.model-formula{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#040e16ab;border:1px solid #ffffff1a;border-radius:10px;justify-content:center;gap:10px;padding:16px 18px;font-family:Georgia,serif;font-size:clamp(12px,1.4vw,17px);display:flex;position:absolute;bottom:64px;left:20px;right:20px}.model-formula span{color:#66c2fa}.model-formula strong{color:#d9e8ef;font-weight:400}.model-caption{color:#718c99;gap:18px;font-size:8px;display:flex;position:absolute;bottom:23px;left:25px}.model-caption span{align-items:center;gap:6px;display:flex}.dot{border-radius:50%;width:6px;height:6px}.dot--blue{background:#49aef0}.dot--green{background:#5ce5b1}.hero-proof{z-index:3;color:#6c8896;letter-spacing:.09em;text-transform:uppercase;align-items:center;gap:10px;font-size:8px;display:flex;position:absolute;bottom:21px;right:6.4vw}.hero-proof i{background:#2c4858;width:14px;height:1px}.project-intro{grid-template-columns:1fr .75fr;align-items:end;gap:12vw;padding-block:120px;display:grid}.project-intro h2,.lab-heading h2,.next-chapter h2{letter-spacing:-.05em;max-width:690px;margin:0;font:400 clamp(40px,5vw,67px)/.98 Georgia,serif}.project-intro__text{border-left:1px solid var(--line);padding-left:38px}.project-intro__text p{color:#576b75;margin:0;font-size:13px;line-height:1.75}.project-intro__text p+p{margin-top:14px}.destinations{padding-bottom:120px}.section-kicker{border-bottom:1px solid var(--line);color:#6d7e86;letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;padding:0 2px 16px;font-size:9px;font-weight:800;display:flex}.destination-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px;display:grid}.destination-card{border:1px solid var(--line);min-height:470px;color:var(--ink);background:#ebe8df;border-radius:14px;flex-direction:column;padding:27px;text-decoration:none;transition:transform .25s,box-shadow .25s;display:flex;position:relative;overflow:hidden}.destination-card:hover{transform:translateY(-5px);box-shadow:0 20px 50px #13283221}.destination-card__index{color:#819098;font:13px Georgia,serif}.destination-card__visual{border-block:1px solid #08141e14;height:155px;margin:24px -27px 33px;position:relative;overflow:hidden}.destination-card__visual i{display:block;position:absolute}.destination-card__visual i:first-child{background:currentColor;border:1px solid;width:155px;height:70px;top:42px;left:26%}@supports (color:color-mix(in lab, red, red)){.destination-card__visual i:first-child{background:color-mix(in srgb, currentColor 12%, transparent)}}.destination-card__visual i:first-child{transform:skewY(-12deg)}.destination-card__visual i:nth-child(2){background:currentColor;width:120%;height:1px;top:77px;left:-10%;transform:rotate(-9deg)}.destination-card__visual i:last-child{background:currentColor;border-radius:50%;width:12px;height:12px;top:49px;left:63%;box-shadow:0 0 0 7px}@supports (color:color-mix(in lab, red, red)){.destination-card__visual i:last-child{box-shadow:0 0 0 7px color-mix(in srgb, currentColor 13%, transparent)}}.destination-card--blue .destination-card__visual{color:var(--blue);background:#e6f1f7}.destination-card--yellow .destination-card__visual{color:#c39a26;background:#f4eedb}.destination-card--green .destination-card__visual{color:var(--green);background:#e4f1e9}.destination-card>p{color:#76868d;letter-spacing:.13em;text-transform:uppercase;margin:0 0 8px;font-size:8px;font-weight:800}.destination-card h3{letter-spacing:-.03em;margin:0;font:400 28px Georgia,serif}.destination-card>span:not(.destination-card__index){color:#5e7078;margin-top:13px;font-size:12px;line-height:1.65}.destination-card>strong{border-top:1px solid var(--line);text-transform:uppercase;letter-spacing:.1em;justify-content:space-between;margin-top:auto;padding-top:22px;font-size:9px;display:flex}.destination-card>strong i{font-size:15px;font-style:normal}.home-manifesto{color:#d9e6ec;background:#081822;border-radius:18px;grid-template-columns:.65fr 1.35fr;align-items:center;min-height:470px;margin-bottom:120px;padding:62px;display:grid;overflow:hidden}.manifesto-number{color:#66c1f82e;letter-spacing:-.08em;white-space:nowrap;font:400 clamp(75px,12vw,165px)/1 Georgia,serif}.home-manifesto blockquote{letter-spacing:-.04em;max-width:650px;margin:0 0 25px;font:400 clamp(27px,3.2vw,44px)/1.12 Georgia,serif}.home-manifesto a{color:#62c3fa;font-size:10px;font-weight:800;text-decoration:none}.home-manifesto a span{margin-left:9px}.content-page{min-height:70vh}.page-hero{border-bottom:1px solid var(--line);grid-template-columns:1fr .55fr;align-items:end;gap:8vw;min-height:390px;padding-block:88px 72px;display:grid;position:relative;overflow:hidden}.page-hero h1{letter-spacing:-.06em;margin:0;font:400 clamp(48px,6vw,78px)/.92 Georgia,serif}.page-hero h1 em{color:var(--blue);font-weight:400}.page-hero__summary{color:#5d7079;max-width:420px;margin:0 0 5px;font-size:13px;line-height:1.75}.page-index{color:#08141e0b;font:140px/1 Georgia,serif;position:absolute;top:24px;right:0}.tutorial-steps{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);padding-block:54px 90px;display:grid}.tutorial-steps article{border-right:1px solid var(--line);min-height:160px;padding:0 35px}.tutorial-steps article:first-child{padding-left:0}.tutorial-steps article:last-child{border:0;padding-right:0}.tutorial-steps article>span{color:var(--blue);font:13px Georgia,serif}.tutorial-steps h2{margin:30px 0 10px;font:400 22px Georgia,serif}.tutorial-steps p{color:#62747d;margin:0;font-size:11px;line-height:1.7}.lab-heading{grid-template-columns:1fr .55fr;align-items:end;gap:8vw;padding-block:90px 42px;display:grid}.lab-heading>p{color:#60727b;margin:0 0 5px;font-size:12px;line-height:1.7}.tutorial-page .explorer-shell,.math-page .explorer-shell{width:min(1180px,100% - 6.4vw);margin-inline:auto;padding:0 0 90px}.tutorial-page .explorer-shell>.topbar,.tutorial-page .explorer-shell>.intro,.math-page .explorer-shell>.topbar,.math-page .explorer-shell>.intro{display:none}.tutorial-tip{background:#e9f2f6;border:1px solid #168be033;border-radius:12px;grid-template-columns:.35fr 1fr;gap:30px;margin-bottom:100px;padding:27px 32px;display:grid}.tutorial-tip span{color:var(--blue);text-transform:uppercase;letter-spacing:.1em;font-size:9px;font-weight:800}.tutorial-tip p{margin:0;font:18px/1.4 Georgia,serif}.history-opening{color:#dbe7ec;background:#081721;padding-block:86px}.history-opening .page-container{grid-template-columns:.35fr 1fr;gap:7vw;display:grid}.history-opening span{color:#67c7fb;letter-spacing:.15em;text-transform:uppercase;font-size:9px;font-weight:800}.history-opening blockquote{letter-spacing:-.04em;max-width:770px;margin:0;font:400 clamp(30px,4vw,52px)/1.08 Georgia,serif}.timeline{padding-block:100px}.timeline article{grid-template-columns:90px .45fr 1fr;gap:30px;min-height:245px;display:grid}.timeline-marker{position:relative}.timeline-marker span{width:39px;height:39px;color:var(--blue);background:var(--paper);border:1px solid #168be059;border-radius:50%;place-items:center;font:12px Georgia,serif;display:grid}.timeline-marker i{border-left:1px solid #168be038;position:absolute;top:39px;bottom:0;left:19px}.timeline article:last-child .timeline-marker i{display:none}.timeline-label{color:#77878e;text-transform:uppercase;letter-spacing:.12em;padding-top:12px;font-size:9px;font-weight:800}.timeline-copy{border-bottom:1px solid var(--line);padding:5px 0 65px}.timeline article:last-child .timeline-copy{border:0}.timeline-copy h2{letter-spacing:-.04em;margin:0 0 16px;font:400 clamp(29px,3vw,41px)/1 Georgia,serif}.timeline-copy p{color:#5f727b;max-width:640px;margin:0;font-size:13px;line-height:1.8}.history-principles{color:#dce7ec;background:#0a1b26;border-radius:18px;grid-template-columns:.8fr 1.2fr;gap:8vw;margin-bottom:100px;padding:65px;display:grid}.history-principles h2{letter-spacing:-.045em;margin:0;font:400 clamp(35px,4vw,54px)/1 Georgia,serif}.history-principles ul{margin:0;padding:0;list-style:none}.history-principles li{border-top:1px solid #ffffff1a;padding:20px 0 20px 42px;position:relative}.history-principles li>span{color:#64c8fc;font:11px Georgia,serif;position:absolute;top:23px;left:0}.history-principles strong{font:18px Georgia,serif}.history-principles li p{color:#8199a5;margin:6px 0 0;font-size:10px;line-height:1.6}.next-chapter{flex-direction:column;align-items:flex-start;padding-block:50px 110px;display:flex}.next-chapter .button{margin-top:30px}.formula-hero{color:#dbe8ee;background:#071822;padding-block:56px}.formula-hero .page-container{grid-template-columns:.28fr 1fr;gap:30px;display:grid}.formula-hero>div>div:first-child span{color:#72c9f8;letter-spacing:.13em;text-transform:uppercase;font-size:8px;font-weight:800}.formula-hero>div>div:first-child p{color:#78909c;margin:7px 0;font-size:10px}.formula-hero__equation{letter-spacing:-.035em;margin:0;font:400 clamp(25px,3.4vw,45px) Georgia,serif}.formula-hero__equation i{color:#64c7fa}.formula-legend{color:#8ba0aa;border-top:1px solid #ffffff1a;grid-column:2;gap:25px;padding-top:20px;font-size:9px;display:flex}.formula-legend i{color:#6bcef9;margin-right:5px;font:15px Georgia,serif}.math-page .explanation{background:#f8f6f0;border-top:0}.math-page .section-heading>p:last-child{max-width:430px}.worked-example{grid-template-columns:.5fr 1fr;gap:9vw;padding-block:100px;display:grid}.worked-example h2{letter-spacing:-.04em;margin:0;font:400 clamp(40px,5vw,65px)/1.05 Georgia,serif}.calculation-flow{border-left:1px solid var(--line);padding-left:40px}.calculation-flow p{color:#687a83;letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px;font-size:10px;font-weight:800}.calculation-flow p:not(:first-child){margin-top:30px}.calculation-flow p span{width:22px;height:22px;color:var(--blue);background:#dcecf5;border-radius:50%;place-items:center;margin-right:10px;display:inline-grid}.calculation-flow code,.calculation-flow strong{color:#304853;background:#ebe8df;border-radius:8px;padding:18px;font:14px/1.5 SFMono-Regular,Consolas,monospace;display:block}.calculation-flow strong{color:var(--red);background:#f6e8e6}.math-cta{color:#dce9ee;background:#081822;border-radius:17px;justify-content:space-between;align-items:end;min-height:330px;margin-bottom:100px;padding:58px;display:flex}.math-cta h2{letter-spacing:-.045em;margin:0;font:400 clamp(34px,4vw,54px)/1 Georgia,serif}@media (max-width:900px){.site-header{grid-template-columns:auto 1fr;height:auto;min-height:72px;padding-block:10px}.primary-nav{order:3;grid-area:2/1/auto/-1;justify-self:center}.header-cta{display:none}.home-hero{grid-template-columns:1fr;min-height:930px;padding-top:80px}.home-hero__copy{max-width:680px}.hero-model{width:min(100%,620px)}.hero-proof{display:none}.project-intro,.page-hero,.lab-heading{grid-template-columns:1fr;gap:32px}.project-intro{gap:40px}.project-intro__text{max-width:700px}.destination-grid{grid-template-columns:1fr 1fr}.destination-card:last-child{grid-column:1/-1}.destination-card{min-height:420px}.home-manifesto{grid-template-columns:1fr}.manifesto-number{margin-bottom:30px}.history-principles{grid-template-columns:1fr;gap:50px}}@media (max-width:620px){.page-container,.tutorial-page .explorer-shell,.math-page .explorer-shell{width:calc(100% - 36px)}.site-header{gap:8px;padding-inline:14px}.site-header .brand-copy small{display:none}.primary-nav{scrollbar-width:none;justify-content:flex-start;width:100%;overflow-x:auto}.primary-nav::-webkit-scrollbar{display:none}.primary-nav a{text-align:center;flex:1 0 auto;padding-inline:13px}.home-hero{gap:55px;min-height:850px;padding:65px 18px 45px}.home-hero h1{font-size:49px}.home-hero__copy>p:not(.eyebrow){font-size:13px}.hero-actions{flex-direction:column;align-items:stretch}.hero-model{aspect-ratio:.9}.model-plane{top:27%}.model-formula{font-size:11px}.model-caption{gap:10px}.project-intro{padding-block:78px}.project-intro__text{padding-left:22px}.destination-grid{grid-template-columns:1fr}.destination-card:last-child{grid-column:auto}.destination-card{min-height:430px}.home-manifesto{min-height:450px;margin-bottom:78px;padding:35px 27px}.manifesto-number{font-size:88px}.page-hero{min-height:400px;padding-block:64px 48px}.page-hero h1{font-size:48px}.page-index{font-size:95px}.tutorial-steps{grid-template-columns:1fr;padding-block:30px 65px}.tutorial-steps article,.tutorial-steps article:first-child,.tutorial-steps article:last-child{border-right:0;border-bottom:1px solid var(--line);min-height:0;padding:28px 0}.tutorial-steps article:last-child{border:0}.tutorial-steps h2{margin-top:16px}.tutorial-tip{grid-template-columns:1fr;gap:12px}.history-opening .page-container{grid-template-columns:1fr;gap:27px}.timeline article{grid-template-columns:56px 1fr;gap:12px}.timeline-label,.timeline-copy{grid-column:2}.timeline-marker{grid-row:1/span 2}.history-principles{padding:38px 26px}.formula-hero .page-container,.worked-example{grid-template-columns:1fr}.formula-hero__equation{overflow-wrap:anywhere;font-size:24px}.formula-legend{flex-wrap:wrap;grid-column:1}.worked-example{gap:45px}.calculation-flow{padding-left:20px}.calculation-flow code{overflow-wrap:anywhere;font-size:11px}.math-cta{flex-direction:column;justify-content:space-between;align-items:flex-start;min-height:390px;padding:35px 27px}.site-footer{text-align:center;grid-template-columns:1fr}.site-footer>div,.site-footer nav{justify-content:center}.site-footer>span{justify-self:center}}
.tutorial-resources{border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:12px;padding-block:52px 90px;display:grid}.resource-card{border:1px solid var(--line);min-height:235px;color:var(--ink);border-radius:15px;flex-direction:column;align-items:flex-start;padding:32px;text-decoration:none;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.resource-card:after{content:"";opacity:.16;border:1px solid;border-radius:50%;width:230px;height:230px;position:absolute;bottom:-135px;right:-105px}.resource-card:hover{transform:translateY(-4px);box-shadow:0 20px 55px #0f242f1f}.resource-card--registration{color:#e5f3f8;background:#0a2130;border-color:#0d2c3d}.resource-card--video{background:#e7e3da}.resource-card__icon{color:#65c7fa;border:1px solid #ffffff2b;border-radius:50%;place-items:center;width:37px;height:37px;font-size:16px;display:grid;position:absolute;top:25px;right:27px}.resource-card--video .resource-card__icon{color:#fff;background:#d45151;border:0;font-size:11px}.resource-card>p{color:#78cffa;letter-spacing:.14em;text-transform:uppercase;margin:0;font-size:8px;font-weight:800}.resource-card--video>p{color:#a14a4a}.resource-card h2{letter-spacing:-.04em;max-width:380px;margin:auto 0 8px;font:400 clamp(26px,3vw,38px)/1 Georgia,serif}.resource-card small{color:#8199a5;font-size:9px}.resource-card--video small{color:#748188}.registration-guide{padding-block:100px}.registration-guide__heading{grid-template-columns:1fr .55fr;align-items:end;gap:8vw;margin-bottom:58px;display:grid}.registration-guide__heading h2,.video-guide h2{letter-spacing:-.05em;max-width:720px;margin:0;font:400 clamp(39px,5vw,63px)/.98 Georgia,serif}.registration-guide__heading>p{color:#64767f;max-width:420px;margin:0 0 5px;font-size:11px;line-height:1.75}.registration-steps{border-top:1px solid var(--line);grid-template-columns:repeat(2,1fr);display:grid}.registration-steps article{border-bottom:1px solid var(--line);grid-template-columns:58px 1fr;gap:18px;min-height:190px;padding:30px 34px 32px 0;display:grid}.registration-steps article:nth-child(odd){border-right:1px solid var(--line)}.registration-steps article:nth-child(2n){padding-left:34px}.registration-steps article>span{width:39px;height:39px;color:var(--blue);border:1px solid #168be04d;border-radius:50%;place-items:center;font:12px Georgia,serif;display:grid}.registration-steps h3{letter-spacing:-.025em;margin:7px 0 10px;font:400 23px Georgia,serif}.registration-steps p{color:#61747d;max-width:430px;margin:0;font-size:11px;line-height:1.75}.registration-note{background:#e8f1f5;border:1px solid #168be033;border-radius:11px;align-items:center;gap:18px;margin-top:26px;padding:24px 28px;display:flex}.registration-note>span{color:#fff;background:var(--blue);border-radius:50%;flex:none;place-items:center;width:29px;height:29px;font:italic 16px Georgia,serif;display:grid}.registration-note strong{font-size:10px}.registration-note p{color:#59707b;margin:5px 0 0;font-size:11px;line-height:1.6}.video-guide{color:#dce8ed;background:#071822;padding-block:86px}.video-guide .page-container{grid-template-columns:.72fr 1.28fr;align-items:center;gap:7vw;display:grid}.video-guide h2{max-width:430px}.video-guide__copy>p:not(.eyebrow){color:#8ba1ac;max-width:400px;margin:22px 0;font-size:11px;line-height:1.75}.video-guide__copy>a{color:#6bcaf9;font-size:10px;font-weight:800;text-decoration:none}.video-guide__copy>a span{margin-left:8px}.video-frame{aspect-ratio:16/9;background:#02080c;border:1px solid #ffffff1f;border-radius:14px;position:relative;overflow:hidden;box-shadow:0 25px 70px #00000047}.video-frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.tutorial-lab-heading,.math-lab-heading{padding-top:110px}.history-story{padding-block:110px 70px}.history-chapter{grid-template-columns:76px .7fr 1fr;gap:3.5vw;min-height:430px;display:grid}.history-chapter__marker{position:relative}.history-chapter__marker span{width:41px;height:41px;color:var(--blue);background:var(--paper);border:1px solid #168be059;border-radius:50%;place-items:center;font:12px Georgia,serif;display:grid}.history-chapter__marker i{border-left:1px solid #168be038;position:absolute;top:41px;bottom:0;left:20px}.history-chapter__heading{padding-right:3vw}.history-chapter__heading>p{color:#71838c;letter-spacing:.14em;text-transform:uppercase;margin:12px 0 26px;font-size:8px;font-weight:800}.history-chapter__heading h2{letter-spacing:-.045em;margin:0;font:400 clamp(30px,3.3vw,45px)/1.03 Georgia,serif}.history-chapter__copy{border-bottom:1px solid var(--line);padding:8px 0 90px}.history-chapter:last-child .history-chapter__copy{border:0}.history-chapter__copy>p{color:#596d76;max-width:660px;margin:0;font-size:13px;line-height:1.82}.history-chapter__copy>p+p{margin-top:19px}.history-formula{background:#e4eff4;border:1px solid #168be033;border-radius:11px;gap:8px;margin-top:32px;padding:25px;display:grid}.history-formula span{color:var(--blue);font:italic 15px Georgia,serif}.history-formula strong{color:#173442;font:400 clamp(16px,2.2vw,24px)/1.4 Georgia,serif}.impact-list{grid-template-columns:repeat(2,1fr);gap:10px;margin:28px 0 0;padding:0;list-style:none;display:grid}.impact-list li{border:1px solid var(--line);background:#ebe8df;border-radius:10px;flex-direction:column;justify-content:space-between;min-height:155px;padding:22px;display:flex}.impact-list strong{color:var(--green);letter-spacing:-.05em;font:400 46px/1 Georgia,serif}.impact-list li>i{width:35px;height:35px;color:var(--green);background:#159f751a;border-radius:50%;place-items:center;font-size:18px;font-style:normal;display:grid}.impact-list span{color:#526871;font-size:10px;line-height:1.55}@media (max-width:900px){.registration-guide__heading{grid-template-columns:1fr;gap:25px}.video-guide .page-container{grid-template-columns:1fr;gap:55px}.video-guide__copy{max-width:600px}.history-chapter{grid-template-columns:60px .75fr 1.25fr;gap:20px}}@media (max-width:620px){.tutorial-resources{grid-template-columns:1fr;padding-block:30px 65px}.resource-card{min-height:215px}.registration-guide{padding-block:72px}.registration-steps{grid-template-columns:1fr}.registration-steps article,.registration-steps article:nth-child(2n),.registration-steps article:nth-child(odd){border-right:0;min-height:0;padding:26px 0}.registration-steps article{grid-template-columns:48px 1fr}.registration-note{align-items:flex-start;padding:20px}.video-guide{padding-block:68px}.tutorial-lab-heading,.math-lab-heading{padding-top:78px}.history-story{padding-block:75px 35px}.history-chapter{grid-template-columns:50px 1fr;min-height:0}.history-chapter__marker{grid-row:1/span 2}.history-chapter__heading,.history-chapter__copy{grid-column:2}.history-chapter__copy{padding-bottom:70px}.history-chapter__heading h2{font-size:31px}.impact-list{grid-template-columns:1fr}.impact-list li{min-height:140px}}.site-header{justify-content:center;height:72px;min-height:72px;padding-block:0;display:flex}.site-header .primary-nav{grid-area:auto;justify-self:auto}.page-hero{min-height:300px;padding-block:76px 62px;display:block}.page-hero>div{max-width:940px}.page-hero h1 em{color:inherit}.score-heading{padding-block:100px 34px}.score-heading h2{letter-spacing:-.05em;margin:0;font:400 clamp(39px,5vw,63px)/1 Georgia,serif}.tutorial-page .explorer-shell--controls{width:min(760px,100% - 6.4vw);padding-bottom:110px}.workspace--controls{background:#f8f6f1;border-radius:16px;grid-template-columns:1fr;min-height:0;box-shadow:0 18px 55px #11232e14}.control-panel--compact{background:#f8f6f1;border-right:0;grid-template-columns:minmax(230px,.78fr) minmax(280px,1.22fr);align-items:center;gap:42px;padding:32px;display:grid}.control-panel--compact .status-card{margin:0}.control-panel--compact .sliders{gap:28px}.workspace--graph{min-height:670px}.visual-panel--standalone{min-height:670px;padding-bottom:0}.visual-panel--standalone .scene-wrap{inset:0}.history-simple{padding-block:45px 100px}.history-simple article{border-bottom:1px solid var(--line);grid-template-columns:minmax(260px,.7fr) minmax(0,1fr);gap:9vw;padding-block:72px;display:grid}.history-simple article:last-child{border-bottom:0}.history-simple header>span{width:34px;height:34px;color:var(--blue);border:1px solid #168be04d;border-radius:50%;place-items:center;margin-bottom:34px;font:11px Georgia,serif;display:inline-grid}.history-simple header>p{color:#73858e;letter-spacing:.14em;text-transform:uppercase;margin:0 0 18px;font-size:8px;font-weight:800}.history-simple h2{letter-spacing:-.045em;max-width:430px;margin:0;font:400 clamp(31px,3.5vw,47px)/1.04 Georgia,serif}.history-simple__copy{padding-top:86px}.history-simple__copy>p{color:#596d76;max-width:680px;margin:0;font-size:13px;line-height:1.82}.history-simple__copy>p+p{margin-top:20px}.history-simple__formula{border-block:1px solid #168be038;padding-block:22px;color:#173442!important;margin-top:30px!important;font:400 clamp(17px,2vw,23px)/1.45 Georgia,serif!important}.history-simple__formula span{color:var(--blue);font-style:italic}.impact-simple{margin:28px 0 0;padding:0;list-style:none}.impact-simple li{border-top:1px solid var(--line);color:#526871;padding:15px 0 15px 22px;font-size:12px;line-height:1.6}.impact-simple li:before{content:"—";color:var(--green);margin-left:-22px;margin-right:10px}.impact-simple strong{color:var(--green);font-weight:800}@media (max-width:900px){.site-header{display:flex}.site-header .primary-nav{grid-area:auto}.page-hero{min-height:280px}.history-simple article{gap:6vw}}@media (max-width:620px){.site-header{height:68px;min-height:68px;padding:8px 14px}.site-header .primary-nav{justify-content:center;width:min(100%,360px)}.page-hero{min-height:0;padding-block:58px 46px}.page-hero h1{font-size:45px}.score-heading{padding-block:72px 28px}.tutorial-page .explorer-shell--controls{width:calc(100% - 36px);padding-bottom:78px}.control-panel--compact{gap:26px;padding:18px;display:flex}.visual-panel--standalone{height:500px;min-height:500px;padding-bottom:0}.visual-panel--standalone .scene-wrap{inset:0}.history-simple{padding-block:20px 70px}.history-simple article{grid-template-columns:1fr;gap:36px;padding-block:55px}.history-simple header>span{margin-bottom:25px}.history-simple__copy{padding-top:0}}.math-page--focused .explorer-shell--graph{padding-top:36px;padding-bottom:0}.math-narrative,.history-narrative{width:min(820px,100% - 6.4vw)}.math-narrative{padding-block:112px 130px}.math-narrative header{margin-bottom:42px}.math-narrative h1{letter-spacing:-.055em;max-width:760px;margin:0;font:400 clamp(43px,5.4vw,70px)/.98 Georgia,serif}.math-narrative h2{letter-spacing:-.045em;margin:82px 0 28px;font:400 clamp(31px,4vw,47px)/1.02 Georgia,serif}.math-narrative>p,.history-narrative>p{color:#526771;margin:0;font-size:15px;line-height:1.9}.math-narrative>p+p,.history-narrative>p+p{margin-top:24px}.math-narrative strong,.history-narrative strong{color:var(--ink)}.narrative-equation{border-block:1px solid var(--line);letter-spacing:-.02em;padding-block:25px;color:#173d50!important;margin-block:38px!important;font:400 clamp(18px,2.5vw,27px)/1.45 Georgia,serif!important}.history-page--focused .page-hero{border-bottom:0}.history-narrative{border-top:1px solid var(--line);padding-block:35px 130px}.history-narrative>p:first-child{color:#263e49;padding-top:68px;font:400 20px/1.75 Georgia,serif}@media (max-width:620px){.math-page--focused .explorer-shell--graph{padding-top:18px}.math-narrative,.history-narrative{width:calc(100% - 36px)}.math-narrative{padding-block:78px 90px}.math-narrative header{margin-bottom:32px}.math-narrative h1{font-size:43px}.math-narrative h2{margin-top:62px;font-size:34px}.math-narrative>p,.history-narrative>p{font-size:14px;line-height:1.82}.narrative-equation{overflow-wrap:anywhere;font-size:18px!important}.history-narrative{padding-bottom:90px}.history-narrative>p:first-child{padding-top:52px;font-size:18px}}