*{box-sizing:border-box}html{scroll-behavior:smooth;background:#080808;scroll-padding-top:90px}body{color:#f3f3f0;-webkit-font-smoothing:antialiased;background:#080808;margin:0;font-family:Inter Variable,Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline-offset:6px;outline:2px solid #fff}button{border:0}::selection{color:#080808;background:#e8e8e8}h1,h2,h3,h4,p{margin:0}.frontpage{overflow:clip}.mono,.eyebrow,.beta-label,.hero-footnote,.hero-floor,.discipline-strip>span,.chapter-track,.demo-top,.demo-breadcrumb,.demo-pill,.array-caption,.timeline-caption,.demo-bottom,.code-file,.orbit-label small,.path-number,.path-copy>span,.front-footer>div>span,.sculpture-caption{letter-spacing:.1em;font-family:SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.6}.eyebrow{color:#a5a5a5;align-items:center;gap:12px;font-size:11px;display:flex}.status-dot{background:#eee;border-radius:50%;width:5px;height:5px;box-shadow:0 0 12px #fff5}.page-progress{width:100%;height:2px;transform:scaleX(var(--page-progress,0));transform-origin:0;z-index:30;background:#ddd;position:fixed;top:0;left:0}.skip-link{z-index:100;color:#000;background:#fff;padding:15px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:15px}.front-nav{z-index:20;border-bottom:1px solid #ffffff12;justify-content:space-between;align-items:center;height:88px;padding:0 5%;display:flex;position:absolute;top:0;left:0;right:0}.brand{align-items:center;gap:18px;display:flex}.brand img{object-fit:contain;width:35px;height:40px}.beta-label{color:#bbb;letter-spacing:.12em;border:1px solid #ffffff30;padding:2px 7px;font-size:9px}.nav-links{color:#aaa;align-items:center;gap:32px;font-size:12px;display:flex}.nav-links a,.front-footer a{align-items:center;gap:5px;transition:color .2s;display:flex}.nav-links a:hover,.front-footer a:hover{color:#fff}.nav-links svg{width:12px}.nav-launch{align-items:center;gap:24px;font-size:12px;display:flex}.nav-launch svg{transition:transform .25s}.nav-launch:hover svg{transform:translate(4px)}.menu-toggle{display:none}.hero{isolation:isolate;align-items:center;height:max(780px,100svh);max-height:1100px;padding:0 7%;display:flex;position:relative}.hero-grid{z-index:-2;background:linear-gradient(90deg,#0000 calc(100% - 1px),#ffffff05 0) 0 0/25% 100%;position:absolute;inset:88px 5% 75px}.hero-content{z-index:2;pointer-events:none;padding-top:30px;position:relative}.hero-content a{pointer-events:auto}.hero-content>p{color:#aaa;letter-spacing:-.015em;font-size:18px;font-weight:350;line-height:1.65}.hero-actions{align-items:center;gap:28px;margin-top:38px;display:flex}.button{justify-content:center;align-items:center;gap:30px;min-height:48px;padding:0 23px;font-size:12px;font-weight:550;transition:background .25s,transform .25s;display:inline-flex}.button:hover{transform:translateY(-3px)}.button-light{color:#151515;background:#f0f0ed}.button-light:hover{background:#fff}.text-link{border-bottom:1px solid #ffffff24;align-items:center;gap:15px;padding:12px 0;font-size:12px;transition:gap .25s,border-color .25s;display:inline-flex}.text-link:hover{border-color:#eee;gap:23px}.hero-footnote{letter-spacing:.11em;color:#666;margin-top:22px;font-size:8px}.hero-floor{color:#7f7f7f;z-index:3;border-top:1px solid #ffffff14;justify-content:space-between;align-items:center;height:76px;font-size:9px;display:flex;position:absolute;bottom:0;left:5%;right:5%}.hero-floor a{align-items:center;gap:15px;display:flex}.hero-floor button{color:#9b9b9b;background:0 0;padding:12px;font-family:inherit;font-size:9px}.scroll-mark{font-size:18px;animation:3s ease-in-out infinite down}.sculpture{z-index:-1;width:60%;height:80%;position:absolute;top:10%;right:-2%}.sculpture canvas{width:100%;height:100%;display:block;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 12% 90%,#0000);mask-image:linear-gradient(90deg,#0000 0%,#000 12% 90%,#0000)}.sculpture-caption{color:#6a6a6a;white-space:nowrap;font-size:8px;position:absolute;bottom:10%;left:38%}.sculpture-cross{color:#777;font-size:17px;font-weight:200;position:absolute}.cross-one{top:15%;right:17%}.cross-two{bottom:20%;left:16%}.sculpture-fallback{aspect-ratio:1;background:#080808;border:65px solid #aaa;border-radius:46%;width:58%;position:absolute;top:15%;left:22%;transform:rotate(-35deg)rotateY(35deg);box-shadow:inset 5px 10px 20px #fff,20px 0 40px #ffffff15}.discipline-strip{color:#a6a6a6;border-block:1px solid #202020;align-items:center;gap:9%;padding:32px 7%;display:flex}.discipline-strip>span{color:#626262;flex-shrink:0;font-size:8px}.discipline-strip>div{letter-spacing:-.025em;justify-content:space-between;align-items:center;width:100%;font-size:15px;display:flex}.discipline-strip i{color:#494949;font-size:18px;font-style:normal;font-weight:250}.section-shell{padding:130px 7%}.intro h2,.paths h2{letter-spacing:-.055em;margin-top:30px;font-size:clamp(38px,4.8vw,72px);font-weight:420;line-height:1.08}.intro h2 span,.paths h2 span{color:#707070}.intro-bottom{justify-content:flex-end;align-items:flex-start;gap:32px;margin-top:38px;display:flex}.intro-bottom p{color:#969696;width:44%;max-width:430px;font-size:15px;line-height:1.8}.intro-symbol{color:#666;font-size:36px;font-weight:250}.story{border-top:1px solid #ffffff12;height:270vh;position:relative}.story-sticky{grid-template-columns:40% 60%;align-items:center;gap:2%;height:100svh;min-height:600px;padding:8vh 7%;display:grid;position:sticky;top:0}.story-copy{flex-direction:column;justify-content:center;align-self:stretch;display:flex}.chapter-track{gap:14px;display:flex;position:absolute;top:9vh}.chapter-track button{color:#777;font:inherit;background:0 0;align-items:center;gap:8px;padding:12px 0;display:flex}.chapter-track button span{background:#343434;width:34px;height:1px;transition:background .3s;display:block}.chapter-track button span.active{background:#eee}.chapter-copy{animation:.6s both chapter-enter}.chapter-copy h2{white-space:pre-line;letter-spacing:-.055em;margin:24px 0;font-size:clamp(36px,4.3vw,65px);font-weight:430;line-height:1.06}.chapter-copy>p{color:#929292;max-width:320px;font-size:14px;line-height:1.85}.chapter-copy>.text-link{margin-top:27px}.story-display{perspective:1400px;position:relative}.display-orbit{z-index:-1;background:radial-gradient(#ffffff05,#0000 65%);position:absolute;inset:-30%}.demo-window{background:#101010;border:1px solid #363636;border-radius:9px;width:100%;overflow:hidden;transform:rotateY(-5deg)rotateX(3deg);box-shadow:0 40px 100px #000}.demo-top{color:#656565;border-bottom:1px solid #282828;justify-content:space-between;align-items:center;height:44px;padding:0 18px;font-size:8px;display:flex}.window-dots{gap:5px;display:flex}.window-dots i{background:#444;border-radius:50%;width:5px;height:5px}.demo-breadcrumb{color:#696969;justify-content:space-between;font-size:8px;display:flex}.demo-heading{flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0;display:flex}.demo-heading h3{letter-spacing:-.04em;font-size:19px;font-weight:450}.demo-pill{color:#8d8d8d;border:1px solid #333;padding:3px 6px;font-size:6px}.demo-tabs{border-bottom:1px solid #282828;gap:22px;display:flex}.demo-tabs button{color:#686868;background:0 0;border-bottom:1px solid #0000;padding:0 0 13px;font-size:10px}.demo-tabs button[aria-pressed=true]{color:#eee;border-color:#ddd}.visual-demo{padding-top:26px}.array-caption{color:#6c6c6c;justify-content:space-between;font-size:7px;display:flex}.array{align-items:center;gap:9px;margin:27px 0 34px;display:flex}.array>div{aspect-ratio:1;background:linear-gradient(145deg,#242424,#131313);border:1px solid #505050;place-items:center;width:15%;animation:6s ease-in-out infinite array-glow;display:grid;position:relative}.array b{font-size:25px;font-weight:350}.array div>span{text-align:center;color:#777;width:100%;font-family:monospace;font-size:8px;position:absolute;bottom:-19px;left:0}.array .array-new{background:#2c2c2c;border-style:dashed;border-color:#b0b0b0}.array-arrow{color:#8b8b8b;font-size:18px}.code-line{letter-spacing:.02em;text-align:center;margin-top:28px;font-family:monospace;font-size:13px}.code-line span{color:#747474}.visual-demo>p{color:#797979;text-align:center;margin-top:13px;font-size:10px}.lesson-timeline{background:#303030;height:2px;margin-top:25px;position:relative}.lesson-timeline>span{background:#aaa;width:36%;height:2px;display:block}.lesson-timeline>i{background:#eee;border-radius:50%;width:6px;height:6px;position:absolute;top:-2px;left:36%}.timeline-caption{color:#656565;justify-content:space-between;margin-top:9px;font-size:6px;display:flex}.demo-bottom{color:#686868;border-top:1px solid #282828;justify-content:space-between;align-items:center;height:36px;padding:0 20px;font-size:7px;display:flex}.demo-bottom i{background:#999;border-radius:50%;width:4px;height:4px;margin-right:7px;display:inline-block}.code-file{color:#909090;justify-content:space-between;margin-top:20px;font-size:9px;display:flex}.code-file span{font-size:7px}.code-demo pre{color:#ccc;font-size:12px;line-height:2;overflow:auto}.code-muted{color:#626262}.run-row{border-top:1px solid #252525;justify-content:space-between;align-items:center;gap:12px;padding-top:16px;display:flex}.run-row>span{color:#b0b0b0;font-family:monospace;font-size:10px}.run-row button{color:#111;background:#e7e7e7;padding:9px 13px;font-size:9px}.run-row button span{margin-left:15px}.review-demo>.mono{color:#686868;margin-top:30px;font-size:8px}.review-demo h4{margin:15px 0 22px;font-size:16px;font-weight:400;line-height:1.5}.answers{gap:8px;display:grid}.answers button{text-align:left;background:#161616;border:1px solid #303030;align-items:center;gap:15px;padding:12px;font-family:monospace;font-size:11px;display:flex}.answers button span:first-child{color:#777}.answers button span:last-child{margin-left:auto}.answers button.selected{background:#292929;border-color:#aaa}.answer-feedback{color:#929292;min-height:30px;margin:18px 0;font-size:10px;line-height:1.6}.personal{background:#0b0b0b;border-block:1px solid #ffffff12;grid-template-columns:1fr 1fr;align-items:center;gap:10%;min-height:660px;display:grid}.personal h2{letter-spacing:-.055em;margin:25px 0;font-size:clamp(40px,4.5vw,65px);font-weight:420;line-height:1.07}.personal-copy>p{color:#929292;max-width:350px;font-size:14px;line-height:1.8}.personal-copy>a{margin-top:25px}.personal-art{aspect-ratio:1;place-items:center;max-width:500px;display:grid;position:relative}.orbital{border:1px solid #333;border-radius:50%;width:90%;height:90%;position:absolute}.orbital-one{animation:22s linear infinite orbit-a;transform:rotateX(55deg)rotate(-30deg)}.orbital-two{animation:27s linear infinite orbit-b;transform:rotateY(60deg)rotate(45deg)}.orbital-three{border-color:#202020;width:60%;height:60%}.personal-core{letter-spacing:-.08em;background:radial-gradient(circle,#222,#0b0b0b 70%);border-radius:50%;place-items:center;width:50%;height:50%;font-size:64px;font-weight:300;display:grid}.orbit-label{color:#d3d3d3;background:#0b0b0b;flex-direction:column;align-items:center;gap:8px;padding:15px;font-size:22px;display:flex;position:absolute}.orbit-label small{color:#717171;font-size:7px}.label-a{top:0;left:25%}.label-b{top:38%;right:0}.label-c{bottom:0;left:40%}.label-d{top:50%;left:0}.paths{padding-bottom:110px}.paths-heading{justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:65px;display:flex}.paths-heading>p{color:#858585;flex-shrink:0;padding-bottom:7px;font-size:12px;line-height:1.9}.path-row{border-top:1px solid #292929;grid-template-columns:40px 150px 1fr 50px;align-items:center;gap:36px;min-height:210px;transition:background .3s,padding .3s;display:grid}.path-row:last-child{border-bottom:1px solid #292929}.path-number{color:#626262;align-self:start;padding-top:37px}.path-copy h3{letter-spacing:-.035em;font-size:26px;font-weight:420}.path-copy p{color:#858585;margin:12px 0 18px;font-size:13px;line-height:1.6}.path-arrow{border:1px solid #383838;border-radius:50%;place-items:center;width:42px;height:42px;transition:transform .3s,background .3s;display:grid}.path-row:hover .path-arrow{color:#111;background:#eee;transform:rotate(45deg)}.path-art{perspective:500px;place-items:center;height:130px;display:grid;position:relative}.path-art i{display:block;position:absolute}.python i{width:66px;height:60px;transform:translate(calc(var(--i) * 5px - 15px), calc(var(--i) * -6px + 18px)) rotate(-25deg) skew(10deg);background:#0d0d0d;border:1px solid #777}.algo i{width:90px;height:90px;transform:rotate(calc(var(--i) * 25deg)) scale(calc(1 - var(--i) * .08));border:1px solid #727272;border-radius:12px}.ml i{width:105px;height:105px;transform:rotateY(calc(var(--i) * 25deg)) rotateX(25deg);border:1px solid #666;border-radius:50%}.path-row:hover .path-art{animation:4s ease-in-out infinite art-hover}.closing{text-align:center;isolation:isolate;border-top:1px solid #222;padding-top:120px;padding-bottom:130px;position:relative}.closing-grid{z-index:-1;background-image:linear-gradient(#ffffff05 1px,#0000 1px),linear-gradient(90deg,#ffffff05 1px,#0000 1px);background-size:70px 70px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(#000,#0000 65%);mask-image:radial-gradient(#000,#0000 65%)}.closing>.eyebrow{justify-content:center}.closing h2{letter-spacing:-.065em;margin:37px 0;font-size:clamp(68px,8.5vw,125px);font-weight:420;line-height:.99}.closing>p{color:#737373;margin-top:20px;font-size:10px}.front-footer{border-top:1px solid #222;justify-content:space-between;align-items:center;gap:25px;padding:35px 5%;display:flex}.front-footer .brand img{width:27px;height:31px}.front-footer .brand span{color:#797979;font-size:11px}.front-footer>div{color:#898989;align-items:center;gap:28px;font-size:10px;display:flex}.front-footer>div>span{color:#5c5c5c;font-size:8px}.front-footer svg{width:12px}.frontpage [data-reveal]{opacity:0;transition:opacity .9s,transform .9s cubic-bezier(.16,1,.3,1);transform:translateY(28px)}.frontpage [data-reveal].is-visible{opacity:1;transform:translateY(0)}.motion-paused *{animation-play-state:paused!important}.motion-paused [data-reveal]{opacity:1;transform:none}.motion-paused .chapter-copy{animation:none}@keyframes down{0%,to{transform:translateY(-3px)}50%{transform:translateY(3px)}}@keyframes chapter-enter{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes array-glow{0%,70%,to{border-color:#505050}35%{background:#292929;border-color:#ddd}}@keyframes orbit-a{to{transform:rotateX(55deg)rotate(330deg)}}@keyframes orbit-b{to{transform:rotateY(60deg)rotate(405deg)}}@keyframes art-hover{50%{transform:translateY(-5px)}}@media (width>=1700px){.hero-content{margin-left:3%}.section-shell,.story-sticky{padding-inline:10%}.sculpture{width:54%;right:3%}}@media (width<=1000px){.nav-links{gap:18px}.hero{height:820px;padding-inline:6%}.hero h1{font-size:72px}.sculpture{width:76%;height:70%;top:13%;right:-17%}.hero-content>p{font-size:16px}.hero-actions{gap:20px}.discipline-strip{gap:6%}.discipline-strip>div{font-size:12px}.story-sticky{grid-template-columns:38% 60%;padding-inline:5%}.chapter-copy h2{font-size:43px}.chapter-copy>p{max-width:260px;font-size:13px}.demo-body{padding:22px 20px}.demo-heading h3{font-size:16px}.array b{font-size:21px}.paths-heading{display:block}.paths-heading>p{margin-top:25px}.path-row{grid-template-columns:25px 110px 1fr 45px;gap:23px}.personal{gap:4%}.front-footer>div{gap:16px}}@media (width<=700px){html{scroll-padding-top:25px}.front-nav{height:74px;padding-inline:6%}.brand img{width:29px;height:34px}.brand{gap:12px}.beta-label{font-size:8px}.nav-launch{gap:12px;margin-left:auto;margin-right:22px;font-size:10px}.menu-toggle{color:#ccc;background:0 0;padding:6px;font-size:25px;font-weight:250;display:block}.nav-links{background:#101010;border-bottom:1px solid #333;flex-direction:column;align-items:flex-start;gap:24px;padding:28px 7%;display:none;position:absolute;top:73px;left:0;right:0}.nav-links.open{display:flex}.hero{align-items:flex-start;height:900px;min-height:0;max-height:none;padding:120px 7% 0}.hero-content{padding-top:0}.hero h1{margin:25px 0 20px;font-size:clamp(48px,10.8vw,74px)}.hero .eyebrow{font-size:8px}.hero-content>p{font-size:14px}.hero-actions{gap:20px;margin-top:25px}.button{gap:20px;min-height:44px;padding-inline:17px;font-size:11px}.hero-actions .text-link{gap:8px;font-size:10px}.hero-footnote{margin-top:17px;font-size:6px}.sculpture{z-index:-1;width:110%;height:425px;top:auto;bottom:60px;right:-5%}.sculpture-caption{font-size:6px;bottom:10%;left:35%}.cross-one{top:15%;right:17%}.hero-grid{background-size:50% 100%;inset:74px 6% 65px}.hero-floor{height:60px;font-size:7px;left:7%;right:7%}.hero-floor>span{display:none}.hero-floor button{font-size:8px}.discipline-strip{padding:26px 7%;display:block}.discipline-strip>span{margin-bottom:20px;font-size:7px;display:block}.discipline-strip>span br{display:none}.discipline-strip>div{flex-wrap:wrap;justify-content:flex-start;gap:14px;font-size:11px;display:flex}.discipline-strip i{font-size:12px}.section-shell{padding:85px 7%}.intro h2{font-size:38px}.intro-bottom{justify-content:flex-start;gap:20px;margin-top:26px}.intro-bottom p{width:auto;max-width:100%;font-size:12px}.intro-symbol{font-size:27px}.eyebrow{font-size:9px}.story{height:290svh}.story-sticky{flex-direction:column;justify-content:center;gap:28px;height:100svh;min-height:690px;padding:28px 7% 35px;display:flex}.story-copy{width:100%;display:block}.chapter-track{gap:13px;margin-bottom:18px;position:static}.chapter-track button{padding:0;font-size:8px}.chapter-track button span{width:25px}.chapter-copy>.eyebrow{font-size:8px}.chapter-copy h2{white-space:normal;max-width:300px;margin:13px 0;font-size:33px}.chapter-copy>p{max-width:100%;font-size:11px;line-height:1.7}.chapter-copy>.text-link{margin-top:9px;padding:7px 0;font-size:10px}.story-display{width:100%;max-width:450px}.demo-window{border-radius:6px;transform:none}.demo-top{height:30px;padding:0 14px;font-size:6px}.demo-body{min-height:0;padding:15px 17px 13px}.demo-breadcrumb{font-size:6px}.demo-heading{margin:13px 0}.demo-heading h3{font-size:14px}.demo-pill{font-size:5px}.demo-tabs button{padding-bottom:9px;font-size:8px}.visual-demo{padding-top:16px}.array-caption{font-size:5px}.array{gap:7px;margin:18px 0 27px}.array>div{max-width:49px}.array b{font-size:18px}.array div>span{font-size:6px;bottom:-14px}.code-line{margin-top:16px;font-size:10px}.visual-demo>p{margin-top:8px;font-size:8px}.lesson-timeline{margin-top:15px}.timeline-caption{font-size:5px}.demo-bottom{height:26px;padding:0 14px;font-size:5px}.code-demo pre{font-size:9px;line-height:1.8}.code-file{margin-top:12px;font-size:7px}.run-row{padding-top:10px}.run-row>span{font-size:8px}.run-row button{padding:7px 10px;font-size:8px}.review-demo>.mono{margin-top:16px;font-size:6px}.review-demo h4{margin:10px 0 13px;font-size:12px}.answers button{padding:8px;font-size:9px}.answer-feedback{min-height:25px;margin:12px 0 0;font-size:8px}.personal{grid-template-columns:1fr;gap:30px}.personal h2{font-size:42px}.personal-copy>p{font-size:13px}.personal-art{justify-self:center;width:100%;max-width:380px}.personal-core{font-size:52px}.orbit-label{font-size:19px}.orbit-label small{font-size:6px}.paths h2{font-size:35px}.paths-heading{margin-bottom:35px}.paths-heading>p{font-size:11px}.path-row{grid-template-columns:18px 1fr 30px;gap:13px;min-height:170px;padding:22px 0}.path-art{display:none}.path-number{padding-top:2px;font-size:8px}.path-copy h3{font-size:21px}.path-copy p{margin:10px 0 14px;font-size:11px}.path-copy>span{letter-spacing:.04em;font-size:6px}.path-arrow{width:30px;height:30px}.path-arrow svg{width:14px}.path-row:hover{padding:22px 8px}.closing h2{font-size:70px}.closing>.eyebrow{font-size:8px}.front-footer{flex-direction:column;align-items:flex-start;gap:25px;padding:30px 7%}.front-footer .brand span{font-size:10px}.front-footer>div{justify-content:space-between;gap:12px;width:100%;font-size:9px}.front-footer>div>span{font-size:6px}}@media (height<=730px) and (width<=700px){.story-sticky{gap:15px;min-height:0;padding-block:18px}.chapter-track{margin-bottom:10px}.chapter-copy h2{margin:10px 0;font-size:28px}.chapter-copy>p{font-size:10px}.demo-heading{margin:9px 0}.demo-pill{display:none}.array>div{max-width:36px}.visual-demo>p,.timeline-caption,.demo-breadcrumb{display:none}.demo-body{padding-block:12px}.demo-heading h3{font-size:12px}.demo-bottom{height:22px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}.frontpage [data-reveal]{opacity:1;transform:none}}.front-nav{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#080808e8;border-bottom:1px solid #ffffff18;height:78px;padding:0 4%;position:fixed}.brand-name{letter-spacing:-1.4px;gap:6px;font-size:24px;font-weight:550;display:flex}.brand-name>span{color:#929292;font-weight:330}.front-nav .beta-label{margin-left:0;font-size:7px}.nav-launch{color:#111;background:#eee;gap:30px;padding:12px 18px;transition:background .2s}.nav-explore summary{cursor:pointer;align-items:center;gap:12px;padding:27px 0;list-style:none;display:flex}.nav-explore summary::-webkit-details-marker{display:none}.nav-explore summary>span{transition:transform .2s}.nav-explore[open] summary>span{transform:rotate(180deg)}.mega-menu{background:#111;border-bottom:1px solid #333;grid-template-columns:1fr 2fr;gap:8%;padding:48px 8%;animation:.25s menu-in;display:grid;position:absolute;top:77px;left:0;right:0;box-shadow:0 30px 70px #0008}.mega-lead h3{letter-spacing:-1.5px;margin:18px 0 24px;font-size:33px;font-weight:400;line-height:1.15}.mega-lead>a{gap:24px;font-size:11px}.mega-paths{gap:0;display:grid}.mega-paths>a{border-bottom:1px solid #282828;gap:20px;padding:18px 0;display:flex}.mega-paths>a:first-child{padding-top:0}.mega-paths>a>span{color:#555;font-family:monospace}.mega-paths strong{color:#ddd;font-size:15px;font-weight:450}.mega-paths p{color:#777;margin-top:8px;font-size:11px}.mega-paths>a>svg{margin-left:auto}.hero{text-align:center;height:1060px;max-height:none;padding:165px 7% 0;display:block}.hero-content{transform:translateY(var(--hero-shift,0px));padding:0}.hero .eyebrow{letter-spacing:.18em;justify-content:center;font-size:9px}.hero-content>p{color:#919191;font-size:16px;line-height:1.7}.hero-footnote{color:#666;margin-top:20px;font-size:7px}.hero-grid{display:none}.hero-floor{height:60px;left:4%;right:4%}.knowledge-field{pointer-events:none;background:radial-gradient(#151515 0,#0000 65%);border-top:1px solid #ffffff12;height:420px;position:absolute;top:570px;left:4%;right:4%}.knowledge-field canvas{width:100%;height:100%;display:block;-webkit-mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000);mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000)}.field-topline{letter-spacing:.12em;color:#777;justify-content:space-between;font:8px monospace;display:flex;position:absolute;top:20px;left:2%;right:2%}.field-topline i{background:#ddd;border-radius:50%;width:4px;height:4px;margin-left:7px;display:inline-block;box-shadow:0 0 12px #fff}.field-coordinate{letter-spacing:.13em;color:#555;font:7px monospace;position:absolute;bottom:0;left:0;right:0}.discipline-strip{background:#101010;padding:38px 7%}.discipline-strip>div{color:#d0d0d0;font-size:17px}.intro{padding-top:125px;padding-bottom:100px}.intro h2{max-width:1000px;font-size:clamp(44px,5.5vw,82px)}.intro h2 span{color:#9c9c9c}.intro-bottom p{color:#999;font-size:15px}.story{background:radial-gradient(at 80%,#161616,#080808 60%);height:300vh}.story-sticky{padding-top:100px}.chapter-track{top:110px}.demo-window{transform:perspective(1800px) rotateY(calc(-9deg + var(--story-shift,0) * 12deg)) rotateX(3deg);border-color:#444;transition:transform .15s linear;box-shadow:0 35px 90px #0008,inset 0 1px #ffffff15}.story-display:before{content:"";pointer-events:none;border:1px solid #ffffff0b;border-radius:12px;position:absolute;inset:-18px;transform:translate(18px,18px)}.chapter-copy h2{font-size:clamp(40px,4.5vw,70px)}.chapter-copy>p{color:#aaa;font-size:15px}.demo-top{font-size:8px}.demo-body{min-height:370px;padding:32px}.personal{background:#101010;border-color:#242424}.personal h2{font-size:clamp(42px,4.7vw,72px)}.personal-art{background:radial-gradient(circle,#29292955,#0000 60%)}.orbital{border-color:#555}.orbit-label small{color:#999}.personal-core{background:radial-gradient(circle,#252525,#101010 72%)}.orbit-label{background:#101010}.paths{color:#141414;background:#eeeeeb;padding-top:110px;padding-bottom:110px}.paths .eyebrow{color:#666}.paths h2{font-size:clamp(40px,4.8vw,72px)}.paths h2 span{color:#858580}.paths-heading{align-items:flex-end;margin-bottom:60px}.paths-heading>p{color:#686864;font-size:13px}.path-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;display:grid}.path-row{flex-direction:column;align-items:stretch;gap:0;min-height:430px;padding:25px 0 30px;display:flex;position:relative;border-top:1px solid #b9b9b5!important;border-bottom:1px solid #b9b9b5!important}.path-row:hover{background:0 0;padding:25px 0 30px}.path-number{color:#797975;padding:0;font-size:10px}.path-art{height:190px;margin:10px 0 24px;transition:transform .5s}.path-row:hover .path-art{animation:none;transform:translateY(-8px)rotate(-4deg)}.python i{background:#e8e8e4;border-color:#888}.python i:nth-child(7){background:linear-gradient(130deg,#fff,#666 70%)}.algo i{border-color:#555}.ml i{border-color:#666}.math i{width:112px;height:72px;transform:translateY(calc(var(--i) * 9px - 27px)) rotate(-16deg) scale(calc(1 - var(--i) * .045));border:1px solid #777;border-color:#777 #0000;border-radius:50%}.path-copy h3{font-size:24px}.path-copy p{color:#666;min-height:38px;font-size:12px}.path-copy>span{color:#777;font-size:7px}.path-arrow{border-color:#bbb;position:absolute;top:19px;right:0}.path-row:hover .path-arrow{color:#fff;background:#111}.closing{background:#080808;padding-block:140px 130px}.closing h2{letter-spacing:-.055em;max-width:1100px;margin:32px auto 38px;font-size:clamp(50px,6.2vw,90px);line-height:1.06}.closing h2 span{color:#777}.closing-grid{background-size:90px 90px;-webkit-mask-image:radial-gradient(#000,#0000 75%);mask-image:radial-gradient(#000,#0000 75%)}.front-footer{background:#111;border-top:1px solid #303030;padding:70px 5% 0;display:block;overflow:hidden}.front-footer>.footer-top{grid-template-columns:2fr 1fr 1fr 1fr;align-items:start;gap:6%;display:grid}.footer-statement>img{object-fit:contain;width:42px;height:42px}.footer-statement h3{letter-spacing:-.9px;margin:25px 0;font-size:26px;font-weight:400;line-height:1.2}.footer-statement>a{color:#ccc;gap:30px;font-size:11px}.footer-column{flex-direction:column;gap:17px;display:flex}.footer-column h4{letter-spacing:.13em;color:#666;margin:5px 0 14px;font:8px monospace}.footer-column a{color:#aaa;font-size:11px}.front-footer>.footer-wordmark{letter-spacing:-.09em;color:#272727;white-space:nowrap;margin:50px 0 20px;font-size:clamp(90px,20.7vw,340px);font-weight:520;line-height:1;transition:color .8s;display:block;position:relative}.front-footer:hover>.footer-wordmark{color:#454545}.footer-wordmark>span{letter-spacing:0;margin-left:25px;font:18px Arial;position:absolute;top:15%}.front-footer>.footer-bottom{color:#777;letter-spacing:.08em;border-top:1px solid #303030;justify-content:space-between;padding:25px 0;font:8px monospace;display:flex}.footer-bottom>span{color:#777!important;font-size:8px!important}.footer-bottom i{background:#aaa;border-radius:50%;width:4px;height:4px;margin-right:10px;display:inline-block}.footer-bottom button{color:#aaa;background:0 0;padding:5px;font:8px monospace}.frontpage [data-reveal]{transition-duration:1.15s}.button-light{position:relative;overflow:hidden}.button-light:before{content:"";background:linear-gradient(110deg,#0000,#fff9,#0000);transition:transform .6s;position:absolute;inset:0;transform:translate(-110%)}.button-light:hover:before{transform:translate(110%)}.frontpage.motion-paused .hero-content,.motion-paused .demo-window{transform:none}@keyframes menu-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media (width>=1700px){.hero-content{margin-left:0}}@media (width<=1000px){.front-nav .brand-name{font-size:20px}.nav-links{gap:18px;font-size:11px}.front-nav .beta-label{display:none}.nav-launch{gap:16px;font-size:10px}.hero{height:1000px;padding-top:160px}.hero h1{font-size:82px}.knowledge-field{height:380px;top:550px}.paths-heading{display:block}.path-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.path-copy h3{font-size:20px}.front-footer>.footer-top{gap:4%}.footer-statement h3{font-size:23px}}@media (width<=700px){.front-nav{height:68px;padding-inline:6%}.front-nav .brand{gap:8px}.front-nav .brand img{width:24px;height:26px}.front-nav .brand-name{font-size:20px}.nav-launch{gap:12px;margin-right:12px;padding:10px 12px;font-size:9px}.nav-launch svg{width:13px}.nav-links{gap:22px;padding:20px 6%;top:67px}.nav-explore{width:100%}.nav-explore summary{justify-content:space-between;padding:0}.mega-menu{box-shadow:none;background:0 0;border:0;padding:23px 0 0;display:block;position:static}.mega-lead{display:none}.mega-paths>a{gap:12px;padding:15px 0}.mega-paths strong{font-size:13px}.mega-paths p{max-width:250px;font-size:10px;line-height:1.5}.hero{text-align:left;height:870px;padding:133px 6% 0}.hero .eyebrow{justify-content:flex-start;font-size:8px}.hero h1{margin:27px 0 24px;font-size:clamp(45px,10.8vw,70px);line-height:1.05}.hero h1 span{max-width:360px;display:inline-block}.hero-content>p{font-size:13px}.hero-actions{justify-content:flex-start;gap:20px}.hero-actions .text-link{font-size:9px}.hero-footnote{font-size:6px}.knowledge-field{border-top:0;height:335px;top:460px;left:0;right:0}.field-topline{font-size:6px;top:12px;left:7%;right:7%}.field-coordinate{text-align:center;font-size:6px;bottom:8px}.knowledge-field canvas{-webkit-mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000);mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000)}.hero-floor{height:50px;left:6%;right:6%}.discipline-strip>div{font-size:12px}.intro{padding-block:80px 60px}.intro h2{font-size:40px}.intro-bottom p{font-size:12px}.story-sticky{padding-top:80px;padding-bottom:25px}.chapter-track{margin-bottom:15px}.chapter-copy h2{font-size:32px}.chapter-copy>p{font-size:11px}.demo-body{min-height:0;padding:17px}.demo-heading h3{font-size:14px}.demo-window{transform:none}.story-display:before{inset:-8px;transform:translate(7px,7px)}.personal{padding-block:80px}.personal h2{font-size:43px}.paths{padding-block:80px}.paths h2{font-size:37px}.paths-heading>p{font-size:12px}.path-list{grid-template-columns:1fr;gap:0}.path-row{grid-template-columns:90px 1fr;gap:20px;min-height:200px;display:grid;border-bottom:0!important;padding:28px 0!important}.path-row:last-child{border-bottom:1px solid #bbb!important}.path-number{font-size:8px;position:absolute;top:12px;left:0}.path-art{width:90px;height:110px;margin:0;display:grid}.path-art i{max-width:70px;max-height:70px}.path-copy h3{max-width:210px;font-size:21px}.path-copy p{max-width:220px;min-height:0;font-size:11px}.path-copy>span{font-size:6px}.path-arrow{display:none}.closing{padding-block:95px}.closing h2{font-size:48px;line-height:1.08}.closing .eyebrow{font-size:7px}.front-footer{padding:45px 7% 0}.front-footer>.footer-top{grid-template-columns:1fr 1fr;gap:40px 25px;display:grid}.footer-statement{grid-column:1/-1}.footer-statement h3{margin:18px 0;font-size:29px}.footer-column h4{margin-bottom:4px;font-size:8px}.footer-column a{font-size:11px}.footer-column{gap:15px}.front-footer>.footer-wordmark{letter-spacing:-.075em;margin:45px 0 24px;font-size:19vw}.footer-wordmark>span{margin-left:9px;font-size:10px}.front-footer>.footer-bottom{flex-wrap:wrap;gap:18px;padding:22px 0;font-size:6px}.footer-bottom>span{font-size:6px!important}.footer-bottom>span:nth-child(2){display:none}.footer-bottom button{font-size:7px}}@media (height<=730px) and (width<=700px){.story-sticky{gap:12px;padding-top:75px}.chapter-copy h2{font-size:27px}.chapter-copy>p{font-size:10px}.demo-body{padding:10px 15px}}@media (prefers-reduced-motion:reduce){.hero-content,.demo-window{transform:none!important}}.hero{height:1160px}.knowledge-field{height:435px;top:655px}.hero-content{animation:1.1s cubic-bezier(.16,1,.3,1) both hero-arrive}.hero h1 span{-webkit-text-fill-color:transparent;background:linear-gradient(115deg,#fafafa 20%,#a0a0a0 45%,#fafafa 70%) 0 0/200%;-webkit-background-clip:text;background-clip:text;animation:10s ease-in-out infinite type-light}.personal{gap:9%}.preference-lab{background:#161616;border:1px solid #393939;transition:transform .5s;transform:rotate(-1deg);box-shadow:0 30px 80px #0005}.preference-lab:hover{transform:rotate(0)}.lab-heading{letter-spacing:.1em;color:#777;border-bottom:1px solid #333;justify-content:space-between;padding:18px 22px;font:8px monospace;display:flex}.lab-preview{background:#0b0b0b;min-height:275px;padding:30px;transition:background .3s,color .3s}.lab-kicker{letter-spacing:.08em;color:#888;font:8px monospace}.lab-preview h3{letter-spacing:-.04em;margin:17px 0 25px;font-size:29px;font-weight:400}.lab-preview>p{color:#aaa;min-height:65px;font-size:12px;line-height:1.8}.lab-preview pre{color:#aaa;min-height:65px;font-size:12px;line-height:1.6}.function-flow{justify-content:space-between;align-items:center;gap:12px;height:65px;font:11px monospace;display:flex}.function-flow b{border:1px solid #555;place-items:center;width:65px;height:65px;font-family:Georgia,serif;font-size:32px;font-style:italic;font-weight:400;display:grid}.function-flow i{background:#444;flex:1;height:1px;position:relative;overflow:hidden}.function-flow i:after{content:"";background:#fff;width:15px;height:1px;animation:2s linear infinite signal;position:absolute}.lab-progress{background:#282828;height:2px;margin-top:25px;overflow:hidden}.lab-progress i{background:#ddd;width:30%;height:100%;animation:6s linear infinite signal;display:block}.lab-control{color:#999;border-top:1px solid #292929;justify-content:space-between;align-items:center;gap:15px;padding:17px 22px;font-size:10px;display:flex}.lab-control>div{align-items:center;gap:3px;display:flex}.lab-control button{color:#777;background:0 0;border:1px solid #0000;padding:7px 10px;font-size:9px}.lab-control button[aria-pressed=true]{color:#eee;background:#292929;border-color:#555}.lab-control input{accent-color:#ddd;width:100px}.lab-control output{text-align:right;width:44px;font-family:monospace;font-size:10px}.preference-lab.light .lab-preview{color:#151515;background:#eeeee9}.preference-lab.light .lab-preview>p,.preference-lab.light .lab-preview pre{color:#555}.preference-lab.light .lab-progress{background:#ccc}.preference-lab.light .lab-progress i{background:#333}.preference-lab.light .function-flow i:after{background:#111}@keyframes signal{0%{transform:translate(-100%)}to{transform:translate(400%)}}@keyframes type-light{0%,to{background-position:0%}50%{background-position:100%}}@keyframes hero-arrive{0%{opacity:0;translate:0 20px}to{opacity:1;translate:0}}@media (width<=1000px){.hero{height:1080px}.knowledge-field{height:400px;top:610px}}@media (width<=700px){.hero{height:940px}.knowledge-field{height:340px;top:525px}.field-coordinate{bottom:0}.hero-content{transform:none!important}.personal{gap:45px}.lab-preview{min-height:260px;padding:23px}.lab-preview h3{font-size:27px}.lab-control{padding:15px}.lab-heading{padding:15px;font-size:7px}.lab-control button{padding:7px 8px}.lab-control input{width:80px}}.network-fallback{color:#888;text-align:center;justify-content:space-between;align-items:center;line-height:2;display:flex;position:absolute;inset:60px 15%}.front-footer>.footer-wordmark{letter-spacing:-.065em;font-size:clamp(90px,19.4vw,320px)}.sample-editor{--code-text:#dce2ea;--code-comment:#7f8998;--code-keyword:#c5a5f5;--code-number:#e9b888;--code-function:#a4c9ef;--code-punctuation:#9da7b5;text-align:left;background:#0d0f12;border:1px solid #2a2d32;border-radius:8px;overflow:hidden}.sample-toolbar{color:#a1a9b5;background:#15171b;border-bottom:1px solid #282b30;justify-content:space-between;align-items:center;height:40px;padding:0 16px;font:10px Consolas,monospace;display:flex}.sample-toolbar>span{align-items:center;gap:10px;display:flex}.sample-toolbar b{color:#808c9d;font-size:14px;font-weight:400}.sample-toolbar i{color:#8a939f;border:1px solid #353a42;border-radius:3px;padding:1px 4px;font-size:8px;font-style:normal}.sample-editor pre,.lab-preview .sample-editor pre,.code-demo .sample-editor pre{color:var(--code-text);tab-size:4;min-height:0;margin:0;padding:19px 0;font:12px/1.95 Cascadia Code,Consolas,monospace;overflow:auto}.sample-line{min-width:max-content;padding-right:20px;display:flex}.sample-gutter{text-align:right;color:#596270;-webkit-user-select:none;user-select:none;flex-shrink:0;width:42px;padding-right:15px}.sample-line>span:last-child{white-space:pre}.syntax-keyword{color:var(--code-keyword)}.syntax-comment{color:var(--code-comment)}.syntax-function{color:var(--code-function)}.syntax-number{color:var(--code-number)}.syntax-punctuation{color:var(--code-punctuation)}.syntax-plain{color:var(--code-text)}.code-demo{margin-top:20px}.run-row{background:#121417;border:1px solid #2a2d32;border-radius:7px;min-height:64px;margin-top:10px;padding:13px 15px}.run-row>span{color:#b9c3d1;gap:7px;font-size:11px;display:grid}.run-row small{letter-spacing:.12em;color:#78818d;font:7px monospace}.run-row button{white-space:nowrap;border-radius:5px;padding:10px 14px;font-size:10px}.demo-window{border-radius:12px;transform:none!important}.story-display:before{display:none}.demo-tabs button{font-size:12px}.demo-heading h3{font-size:23px}.demo-heading .demo-pill{font-size:7px}.demo-body{padding:28px}.preference-lab{border-color:#353535;border-radius:12px;overflow:hidden;transform:none}.lab-heading{background:#191919;align-items:center;height:48px;font-size:8px}.lab-preview{min-height:320px;padding:26px}.lab-preview h3{margin:16px 0 24px;font-size:28px}.lab-preview .sample-editor pre{padding-block:13px;font-size:11px}.lab-preview .sample-toolbar{height:33px;font-size:9px}.lab-preview .sample-gutter{width:34px;padding-right:12px}.lab-control{background:#171717;gap:18px;min-height:83px;padding:20px 22px}.lab-control>span,.lab-control>label{color:#d5d5d5;font-size:11px;line-height:1.4}.lab-control small{color:#858585;margin-top:6px;font-size:9px;display:block}.lab-control>.segmented-control{background:#0c0c0c;border:1px solid #303030;border-radius:7px;gap:3px;padding:4px}.lab-control .segmented-control button{color:#919191;border:1px solid #0000;border-radius:4px;align-items:center;gap:7px;padding:8px 11px;font-size:10px;transition:background .15s,color .15s;display:flex}.lab-control .segmented-control button:hover{color:#fff;background:#1c1c1c}.lab-control .segmented-control button[aria-pressed=true]{color:#fafafa;background:#303030;border-color:#4a4a4a;box-shadow:0 1px 4px #0005}.segmented-control button>span:not(.theme-swatch){font-size:14px;line-height:1}.theme-swatch{border:1px solid #888;border-radius:50%;width:11px;height:11px;display:block}.theme-swatch.light{background:#eee}.theme-swatch.dark{background:#141414}.lab-control>.pace-control{align-items:center;gap:10px;display:flex}.pace-control button{color:#ccc;background:#222;border:1px solid #383838;border-radius:5px;place-items:center;width:26px;height:26px;padding:0;font-size:15px;display:grid}.pace-control button:hover{background:#333}.pace-control button:disabled{opacity:.35;cursor:default}.lab-control .pace-control input{appearance:none;outline-offset:7px;cursor:pointer;border-radius:5px;width:80px;height:3px;margin:0}.pace-control input::-webkit-slider-thumb{appearance:none;background:#eee;border:2px solid #171717;border-radius:50%;width:12px;height:12px;transition:box-shadow .15s;box-shadow:0 0 0 1px #777}.pace-control input::-moz-range-thumb{background:#eee;border:2px solid #171717;border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 1px #777}.pace-control input:hover::-webkit-slider-thumb{box-shadow:0 0 0 4px #ffffff15}.lab-control output{text-align:center;color:#ddd;background:#0f0f0f;border:1px solid #383838;border-radius:5px;width:46px;padding:6px 7px;font-size:10px}.preference-lab.light .sample-editor{--code-text:#293343;--code-comment:#677385;--code-keyword:#7541a4;--code-number:#986022;--code-function:#24649b;--code-punctuation:#687487;background:#fff;border-color:#d6d9dd}.preference-lab.light .sample-toolbar{color:#566170;background:#f1f2f4;border-color:#d6d9dd}.preference-lab.light .sample-gutter{color:#8c95a0}.preference-lab.light .sample-toolbar i{color:#66717e;border-color:#c8cdd4}@media (width<=1000px){.lab-control{flex-wrap:wrap;gap:12px}.lab-control>.segmented-control,.lab-control>.pace-control{margin-left:auto}.sample-editor pre,.code-demo .sample-editor pre{font-size:10px}.demo-heading h3{font-size:18px}}@media (width<=700px){.demo-body{padding:17px}.demo-heading h3{font-size:15px}.demo-tabs button{font-size:10px}.demo-heading .demo-pill{font-size:5px}.code-demo{margin-top:13px}.sample-toolbar{height:32px;padding-inline:12px;font-size:8px}.sample-editor pre,.code-demo .sample-editor pre{padding-block:12px;font-size:9px;line-height:1.9}.sample-gutter{width:29px;padding-right:9px}.run-row{gap:8px;min-height:58px;padding:10px}.run-row>span{max-width:170px;font-size:8px;line-height:1.5}.run-row small{font-size:6px}.run-row button{padding:8px 10px;font-size:8px}.run-row button span{margin-left:5px}.lab-preview{min-height:315px;padding:21px}.lab-preview h3{font-size:26px}.lab-control{gap:12px;min-height:90px;padding:17px}.lab-control>span,.lab-control>label{font-size:11px}.lab-control small{font-size:8px}.lab-control>.segmented-control,.lab-control>.pace-control{margin-left:0}.lab-control .segmented-control button{padding:8px 10px;font-size:10px}.lab-control>.pace-control{margin-left:auto}.lab-control .pace-control input{width:70px}.lab-control output{width:40px;padding-inline:4px}}@media (height<=730px) and (width<=700px){.demo-body{padding:10px 14px}.sample-editor pre,.code-demo .sample-editor pre{padding-block:8px;font-size:8px;line-height:1.65}.sample-toolbar{height:26px}.run-row{min-height:45px;padding:7px 10px}.demo-heading h3{font-size:13px}}.front-nav{color:#111;-webkit-backdrop-filter:none;backdrop-filter:none;background:#fafaf8;border-bottom:1px solid #deded9;gap:52px;height:104px;padding:0 4%;position:fixed}.front-nav .brand img{filter:invert();width:44px;height:48px}.front-nav .brand{flex-shrink:0}.nav-links{color:#202020;gap:36px;margin-right:auto;font-size:15px}.nav-explore summary{gap:9px;padding:40px 0}.nav-explore summary svg{transition:transform .2s}.nav-explore[open] summary svg{transform:rotate(180deg)}.nav-launch{color:#fafafa;background:#111;border-radius:7px;gap:24px;padding:16px 23px;font-size:14px}.mega-menu{color:#151515;background:#fafaf8;border-bottom:1px solid #d4d4ce;grid-template-columns:1fr 1.7fr;gap:12%;padding:48px 8% 58px;top:103px;box-shadow:0 24px 35px #0002}.mega-lead h3{letter-spacing:-1.8px;font-size:40px}.mega-paths>a{border-color:#d8d8d2;padding:20px 0}.mega-paths strong{color:#191919;letter-spacing:-.6px;font-size:21px}.mega-paths p{color:#70706b;font-size:13px}.hero{color:#161616;text-align:left;background:#f0f0ec;grid-template-columns:1.08fr 1fr;align-items:center;gap:6%;height:auto;min-height:820px;max-height:none;padding:176px 6% 120px;display:grid;overflow:hidden}.hero-content{max-width:none;padding:0;transform:none}.hero .eyebrow{color:#62625e;letter-spacing:.1em;justify-content:flex-start;font-size:10px}.hero .status-dot{box-shadow:none;background:#222}.hero h1{letter-spacing:-.065em;margin:29px 0;font-size:clamp(52px,5.35vw,91px);font-weight:440;line-height:1.05}.hero-content>p{color:#656560;max-width:460px;font-size:16px;line-height:1.75}.hero-actions{justify-content:flex-start;gap:28px;margin-top:34px}.hero .button-light{color:#fff;background:#171717;border-radius:6px;gap:25px;padding:16px 21px;font-size:13px}.hero .text-link{color:#222;border-color:#bdbdb5;gap:20px;font-size:13px}.hero-study{color:#eee;transform:translateY(calc(var(--hero-shift,0px) * -.2));background:#101111;border:1px solid #303030;border-radius:2px;position:relative;overflow:hidden;box-shadow:0 30px 60px #00000012}.study-top{letter-spacing:.08em;color:#8e918c;border-bottom:1px solid #ffffff18;justify-content:space-between;padding:22px 24px;font:8px monospace;display:flex}.study-graph{width:100%;height:auto;display:block}.study-graph text{fill:#888;font:14px monospace}.study-graph .graph-formula{fill:#deded8;font:italic 27px Georgia,serif}.study-caption{letter-spacing:-.5px;justify-content:space-between;align-items:center;padding:20px 25px 26px;font-size:19px;line-height:1.35;display:flex}.study-play{border:1px solid #444;border-radius:50%;place-items:center;width:38px;height:38px;font-size:20px;display:grid}.study-progress{background:#303030;height:2px}.study-progress i{background:#ddd;width:35%;height:100%;animation:8s ease-in-out infinite study-progress;display:block}.study-tangent{transform-origin:365px 260px;animation:8s ease-in-out infinite tangent}.hero-floor{color:#6e6e66;border-color:#d0d0c8;height:68px;font-size:8px;bottom:0;left:6%;right:6%}.hero-floor button,.hero-floor .scroll-mark,.hero-floor>a{color:#555}.discipline-strip{border-top:none}@keyframes tangent{0%,to{opacity:.5}50%{opacity:1}}@keyframes study-progress{0%,to{transform:translate(0)}50%{transform:translate(185%)}}@media (width>=1700px){.hero{min-height:950px}.hero-study{max-width:680px}}@media (width<=1000px){.front-nav{gap:30px;height:88px;padding-inline:4%}.nav-links{gap:20px;font-size:13px}.nav-launch{padding:14px 16px;font-size:12px}.mega-menu{top:87px}.hero{gap:4%;min-height:730px;padding:150px 5% 110px}.hero h1{font-size:52px}.hero-content>p{font-size:14px}.hero-actions{gap:18px}.hero .button-light,.hero .text-link{font-size:11px}.study-caption{font-size:17px}.study-top{padding:19px;font-size:6px}}@media (width<=700px){.front-nav{gap:18px;height:78px;padding:0 6%}.front-nav .brand img{width:33px;height:39px}.nav-launch{margin-left:auto;padding:12px 15px;font-size:11px}.menu-toggle{color:#111;font-size:25px}.nav-links{color:#111;background:#fafaf8;border-bottom:1px solid #ddd;max-height:calc(100svh - 78px);padding:24px 6%;display:none;position:absolute;top:77px;left:0;right:0;overflow:auto}.nav-links.open{flex-direction:column;align-items:stretch;gap:0;font-size:19px;display:flex}.nav-links>a{border-bottom:1px solid #ddd;padding:17px 0}.nav-explore summary{justify-content:space-between;padding:17px 0}.mega-menu{box-shadow:none;border:0;padding:16px 0 24px;animation:none;display:block;position:static}.mega-lead{display:none}.mega-paths strong{font-size:16px}.mega-paths p{font-size:11px}.mega-paths>a{padding:15px 0}.hero{flex-direction:column;align-items:stretch;gap:40px;min-height:0;padding:128px 6% 86px;display:flex}.hero h1{letter-spacing:-.06em;margin:24px 0;font-size:clamp(44px,10.6vw,68px)}.hero-content>p{font-size:14px}.hero .eyebrow{font-size:8px}.hero-actions{flex-wrap:wrap;gap:25px;margin-top:26px}.hero .button-light{padding:15px 20px}.hero-study{max-width:540px;transform:none}.study-top{font-size:7px}.study-graph{max-height:320px}.study-caption{font-size:18px}.hero-floor{height:56px;left:6%;right:6%}.hero-floor>span{display:none}.hero-floor a{font-size:7px}.hero-floor button{font-size:10px}}@media (prefers-reduced-motion:reduce){.study-tangent,.study-progress i{animation:none}.hero-study{transform:none}}.hero h1 span{-webkit-text-fill-color:currentColor;color:#797972;background:0 0}.motion-paused .study-tangent,.motion-paused .study-progress i{animation-play-state:paused}.front-nav{color:#eee;background:#080808;border-bottom-color:#242424}.front-nav .brand img{filter:none}.nav-links{color:#d0d0d0}.nav-links a:hover{color:#fff}.nav-launch{color:#101010;background:#f1f1ed}.nav-launch:hover{background:#fff}.mega-menu{color:#eee;background:#111;border-bottom-color:#333;box-shadow:0 24px 35px #0005}.mega-lead .eyebrow{color:#93938d}.mega-paths>a{border-color:#333}.mega-paths strong{color:#eee}.mega-paths p{color:#999}.mega-paths>a:hover strong{color:#fff}.hero{color:#f1f1ef;text-align:center;background:#080808;justify-content:center;align-items:center;height:calc(100svh - 30px);min-height:760px;max-height:1000px;padding:160px 6% 130px;display:flex}.hero-content{width:100%;max-width:1160px}.hero .eyebrow{color:#a0a09a;justify-content:center}.hero .status-dot{background:#ccc}.hero h1{margin:30px 0;font-size:clamp(60px,7.4vw,112px);line-height:1.04}.hero h1 span{color:#8d8d89}.hero-content>p{color:#aaa;max-width:570px;margin-inline:auto;font-size:17px}.hero-actions{justify-content:center;margin-top:34px}.hero .button-light{color:#111;background:#eee}.hero .text-link{color:#ddd;border-color:#444}.hero-floor{color:#888;border-color:#252525}.hero-floor button,.hero-floor>a,.hero-floor .scroll-mark{color:#999}@media (width<=1000px){.hero{min-height:700px}.hero h1{font-size:clamp(58px,8vw,90px)}}@media (width<=700px){.menu-toggle{color:#eee}.nav-links{color:#eee;background:#111;border-color:#333}.nav-links>a{border-color:#333}.hero{gap:0;height:auto;min-height:700px;padding:150px 6% 130px}.hero-content{padding:0}.hero h1{letter-spacing:-.065em;margin:26px 0;font-size:clamp(42px,10.5vw,68px)}.hero-content>p{max-width:340px;font-size:14px}.hero .eyebrow{font-size:8px}.hero-actions{gap:24px;margin-top:30px}.hero-floor{height:60px}}.frontpage{--action-height:36px;--action-radius:6px;--action-font:12px}.front-nav{gap:32px;height:68px}.front-nav .brand img{width:30px;height:30px}.nav-links{gap:26px;font-size:13px}.nav-explore summary{padding:24px 0}.nav-explore summary svg{width:12px;height:12px}.mega-menu{padding-top:32px;padding-bottom:36px;top:67px}.mega-lead h3{font-size:30px}.mega-lead>a{font-size:12px}.mega-paths strong{font-size:16px}.mega-paths p{font-size:12px}.mega-paths>a{padding:16px 0}.frontpage .nav-launch,.frontpage .button-light,.frontpage .hero .button-light,.frontpage .run-row button{height:var(--action-height);min-height:var(--action-height);border-radius:var(--action-radius);font-size:var(--action-font);color:#151515;white-space:nowrap;background:#f0f0ed;border:1px solid #0000;justify-content:center;align-items:center;gap:18px;padding:0 16px;font-weight:500;line-height:1.2;transition:background .2s,transform .2s;display:inline-flex}.frontpage .nav-launch:hover,.frontpage .button-light:hover,.frontpage .hero .button-light:hover,.frontpage .run-row button:hover{background:#fff;transform:translateY(-1px)}.frontpage .button-light:before{border-radius:inherit}.frontpage .nav-launch svg,.frontpage .button-light svg{width:16px;height:16px}.frontpage .run-row button span{margin-left:0}.hero-actions .text-link{font-size:12px}.front-nav .menu-toggle{width:32px;height:36px;font-size:23px}@media (width<=700px){.front-nav{gap:16px;height:64px}.front-nav .brand img{width:28px;height:28px}.nav-links{max-height:calc(100svh - 64px);font-size:14px;top:63px}.nav-links>a,.nav-explore summary{padding:14px 0}.mega-menu{padding:10px 0 18px}.mega-paths strong{font-size:14px}.mega-paths p{font-size:11px}.frontpage .nav-launch{gap:12px;padding-inline:13px}.frontpage .run-row button{gap:10px;padding-inline:12px;font-size:11px}.hero{padding-top:132px}}.hero-atmosphere{pointer-events:none;z-index:-1;position:absolute;inset:0;overflow:hidden;-webkit-mask-image:linear-gradient(#000 55%,#0000 100%);mask-image:linear-gradient(#000 55%,#0000 100%)}.atmosphere-beam{filter:blur(30px);background:linear-gradient(90deg,#0000,#ffffff09,#0000);width:65vw;height:100%;position:absolute;top:-40%;left:-20%;transform:rotate(-32deg)}.atmosphere-beam:nth-child(2){background:linear-gradient(90deg,#0000,#ffffff0d,#0000);top:-15%;left:50%;transform:rotate(32deg)}.atmosphere-grain{opacity:.26;background-image:radial-gradient(#ffffff28 .6px,#0000 .8px);background-size:20px 20px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(#0000 22%,#000 80%);mask-image:radial-gradient(#0000 22%,#000 80%)}.hero-content{z-index:1;position:relative}.gsap-ready [data-reveal]{transition:none;transform:none}.gsap-ready .path-row{transition:border-color .2s}.frontpage .text-link svg,.frontpage .mega-paths svg{transition:transform .25s}.frontpage .text-link:hover svg,.frontpage .mega-paths a:hover svg{transform:translate(3px,-2px)}.frontpage .nav-links>a{position:relative}.frontpage .nav-links>a:after{content:"";transform-origin:0;background:currentColor;width:100%;height:1px;transition:transform .25s;position:absolute;bottom:-7px;left:0;transform:scaleX(0)}.frontpage .nav-links>a:hover:after{transform:scaleX(1)}.motion-paused .hero-atmosphere{opacity:.5}@media (prefers-reduced-motion:reduce){.hero-atmosphere{opacity:.4}}.front-nav .theme-toggle{width:38px;height:38px;color:inherit;background:0 0;border:1px solid #0000;border-radius:6px;place-items:center;margin-left:auto;padding:0;transition:background .2s,border-color .2s;display:grid}.front-nav .theme-toggle svg,.front-nav .menu-toggle svg{width:19px;height:19px;display:block}.front-nav .theme-toggle:hover{background:#ffffff14;border-color:#ffffff32}.front-nav{gap:16px}.front-nav .brand{flex:none;margin-right:24px}.front-nav .nav-links{gap:28px;margin-right:0}.front-nav .mobile-nav-label,.front-nav .mobile-nav-launch{display:none}.frontpage.theme-dark .paths{color:#f1f1ed;background:#101111}.frontpage.theme-dark .paths .eyebrow,.frontpage.theme-dark .paths-heading>p,.frontpage.theme-dark .path-copy p{color:#a4a6a3}.frontpage.theme-dark .paths h2 span{color:#858984}.frontpage.theme-dark .path-row{border-color:#333735!important}.frontpage.theme-dark .path-number,.frontpage.theme-dark .path-copy>span{color:#969a96}.frontpage.theme-dark .path-arrow{border-color:#585c59}.frontpage.theme-dark .path-row:hover .path-arrow{color:#101111;background:#e9eae6}.frontpage.theme-dark .python i{background:#242724;border-color:#777b77}.frontpage.theme-dark .python i:nth-child(7){background:linear-gradient(130deg,#777b77,#222 70%)}.frontpage.theme-dark .algo i,.frontpage.theme-dark .ml i{border-color:#888c88}html[data-theme=light],html[data-theme=light] body{background:#f3f3f0}.frontpage.theme-light{color:#171918;--btn-primary:#171918;--btn-primary-fg:#f8f8f5;background:#f3f3f0}.frontpage.theme-light .front-nav,.frontpage.theme-light .mega-menu,.frontpage.theme-light .nav-links{color:#171918;background:#f8f8f5;border-color:#d7d9d4}.frontpage.theme-light .front-nav .brand img,.frontpage.theme-light .footer-statement>img{filter:invert()}.frontpage.theme-light .nav-links>a,.frontpage.theme-light .mega-paths>a{border-color:#d7d9d4}.frontpage.theme-light .nav-links a:hover,.frontpage.theme-light .mega-paths>a:hover strong{color:#555a57}.frontpage.theme-light .mega-paths strong{color:#171918}.frontpage.theme-light .mega-paths p,.frontpage.theme-light .mega-lead .eyebrow{color:#656b67}.frontpage.theme-light .front-nav .theme-toggle{border-color:#0000}.frontpage.theme-light .front-nav .theme-toggle:hover{background:#e8eae5;border-color:#c8cbc6}.frontpage.theme-light .menu-toggle{color:#171918}.frontpage.theme-light .hero{color:#171918;background:#f3f3f0}.frontpage.theme-light .hero h1 span{color:#777d78;-webkit-text-fill-color:transparent;background-image:linear-gradient(115deg,#353a36 20%,#858b85 45%,#353a36 70%);-webkit-background-clip:text;background-clip:text}.frontpage.theme-light .nav-launch,.frontpage.theme-light .hero .button-light,.frontpage.theme-light .closing .button-light{color:#f8f8f5;background:#171918}.frontpage.theme-light .nav-launch:hover,.frontpage.theme-light .hero .button-light:hover,.frontpage.theme-light .closing .button-light:hover{background:#333a34}.frontpage.theme-light .hero .eyebrow,.frontpage.theme-light .hero-content>p,.frontpage.theme-light .hero-floor,.frontpage.theme-light .hero-floor button,.frontpage.theme-light .hero-floor>a{color:#616862}.frontpage.theme-light .hero .status-dot{background:#171918}.frontpage.theme-light .hero .text-link{color:#171918;border-color:#a9afaa}.frontpage.theme-light .hero-floor{border-color:#cdd1cb}.frontpage.theme-light .hero-atmosphere{opacity:.16}.frontpage.theme-light .hero-atmosphere .atmosphere-beam{background:linear-gradient(90deg,#0000,#2224,#0000)}.frontpage.theme-light .discipline-strip,.frontpage.theme-light .intro,.frontpage.theme-light .personal{color:#171918;background:#e9ebe7}.frontpage.theme-light .discipline-strip>div{color:#242825}.frontpage.theme-light .intro h2 span,.frontpage.theme-light .personal h2 span{color:#777d78}.frontpage.theme-light .intro-bottom p,.frontpage.theme-light .personal-copy>p{color:#5f6660}.frontpage.theme-light .story{color:#171918;background:radial-gradient(at 80%,#f5f6f2,#e9ebe7 70%);border-color:#d5d9d3}.frontpage.theme-light .chapter-copy>p{color:#5f6660}.frontpage.theme-light .chapter-track button{color:#727973}.frontpage.theme-light .chapter-track button span{background:#abb1aa}.frontpage.theme-light .chapter-track button span.active{background:#171918}.frontpage.theme-light .demo-window,.frontpage.theme-light .preference-lab{color:#171918;background:#fbfbf8;border-color:#cbd0c9;box-shadow:0 24px 65px #727a7130}.frontpage.theme-light .demo-top,.frontpage.theme-light .demo-tabs,.frontpage.theme-light .demo-bottom,.frontpage.theme-light .lab-heading,.frontpage.theme-light .lab-control{border-color:#d9ddd7}.frontpage.theme-light .demo-top,.frontpage.theme-light .demo-breadcrumb,.frontpage.theme-light .demo-bottom,.frontpage.theme-light .lab-heading,.frontpage.theme-light .array-caption{color:#626b63}.frontpage.theme-light .demo-tabs button[aria-pressed=true]{color:#171918;border-color:#171918}.frontpage.theme-light .demo-pill,.frontpage.theme-light .array>div,.frontpage.theme-light .answers button{border-color:#c9cec7}.frontpage.theme-light .demo-pill,.frontpage.theme-light .array-caption,.frontpage.theme-light .visual-demo>p,.frontpage.theme-light .timeline-caption,.frontpage.theme-light .answer-feedback{color:#566258}.frontpage.theme-light .array>div,.frontpage.theme-light .array .array-new,.frontpage.theme-light .answers button{color:#171918;background:#f0f2ed}.frontpage.theme-light .answers button.selected{background:#dfe5dd;border-color:#626b63}.frontpage.theme-light .lesson-timeline{background:#d2d8d0}.frontpage.theme-light .lesson-timeline>span,.frontpage.theme-light .lesson-timeline>i{background:#303831}.frontpage.theme-light .sample-editor{--code-text:#29312b;--code-comment:#64736a;--code-keyword:#734b9c;--code-number:#9c561f;--code-function:#2d6689;--code-punctuation:#59645d;background:#f8f9f6;border-color:#d4dad2}.frontpage.theme-light .sample-toolbar,.frontpage.theme-light .run-row{color:#29312b;background:#f0f2ee;border-color:#d4dad2}.frontpage.theme-light .sample-toolbar,.frontpage.theme-light .run-row>span,.frontpage.theme-light .lab-control{color:#424c44}.frontpage.theme-light .sample-gutter,.frontpage.theme-light .run-row small{color:#6e7a70}.frontpage.theme-light .preference-lab .lab-preview{color:#171918;background:#f8f9f6}.frontpage.theme-light .preference-lab .lab-heading{color:#526055;background:#eef1eb}.frontpage.theme-light .preference-lab .lab-kicker,.frontpage.theme-light .preference-lab .function-flow>span{color:#657168}.frontpage.theme-light .preference-lab .lab-preview h3{color:#171918}.frontpage.theme-light .preference-lab .function-flow b{color:#263329;background:#fff;border-color:#b8c3b8}.frontpage.theme-light .preference-lab .function-flow i{background:#b4bfb5}.frontpage.theme-light .preference-lab .lab-progress{background:#d3dbd1}.frontpage.theme-light .preference-lab .lab-progress i{background:#344639}.frontpage.theme-light .preference-lab .lab-control{color:#344238;background:#f4f6f1}.frontpage.theme-light .preference-lab .lab-control>span,.frontpage.theme-light .preference-lab .lab-control>label{color:#28352b}.frontpage.theme-light .preference-lab .lab-control small{color:#657168}.frontpage.theme-light .preference-lab .segmented-control{background:#e8ede6;border-color:#cbd5c9}.frontpage.theme-light .preference-lab .segmented-control button{color:#4d5b50;box-shadow:none;background:0 0;border-color:#0000}.frontpage.theme-light .preference-lab .segmented-control button:hover{color:#172319;background:#f7f9f5}.frontpage.theme-light .preference-lab .segmented-control button[aria-pressed=true]{color:#172319;background:#fff;border-color:#bac7ba;box-shadow:0 1px 4px #5264511c}.frontpage.theme-light .preference-lab .pace-control button,.frontpage.theme-light .preference-lab .pace-control output{color:#26372b;background:#edf1e9;border-color:#c2cec0}.frontpage.theme-light .preference-lab .pace-control button:hover:not(:disabled){background:#dfe8db}.frontpage.theme-light .preference-lab .pace-control input::-webkit-slider-thumb{background:#fff;border-color:#38513e;box-shadow:0 0 0 1px #38513e}.frontpage.theme-light .preference-lab .pace-control input::-moz-range-thumb{background:#fff;border-color:#38513e}.frontpage.theme-light .array>div,.frontpage.theme-light .array .array-new{border-color:#b9c6b9}.frontpage.theme-light .array .array-new{background:#dfe9dc}.frontpage.theme-light .preference-lab .lab-control button[aria-pressed=true]{color:#171918;background:#e1e6df;border-color:#aeb8ad}.frontpage.theme-light .personal{border-color:#d5d9d3}.frontpage.theme-light .paths{color:#171918;background:#f3f3f0}.frontpage.theme-light .python i:nth-child(7){background:linear-gradient(130deg,#fff 5%,#c5cec4 70%,#919d91);border-color:#aeb8ae}.frontpage.theme-light .closing{color:#171918;background:#e9ebe7;border-color:#d5d9d3}.frontpage.theme-light .closing h2 span{color:#777d78}.frontpage.theme-light .closing-grid{background-image:linear-gradient(#2135290d 1px,#0000 1px),linear-gradient(90deg,#2135290d 1px,#0000 1px)}.frontpage.theme-light .front-footer{color:#171918;background:#f3f3f0;border-color:#d5d9d3}.frontpage.theme-light .footer-statement>a,.frontpage.theme-light .footer-column a{color:#505851}.frontpage.theme-light .footer-column h4,.frontpage.theme-light .front-footer>.footer-bottom,.frontpage.theme-light .footer-bottom button{color:#646c65}.frontpage.theme-light .front-footer>.footer-wordmark{color:#d6dad3}.frontpage.theme-light .front-footer:hover>.footer-wordmark{color:#c3c9c0}.frontpage.theme-light .front-footer>.footer-bottom{border-color:#d5d9d3}.frontpage.theme-light button:focus-visible,.frontpage.theme-light a:focus-visible{outline-color:#171918}@media (width<=700px){.front-nav{gap:8px;height:64px;padding-inline:6%}.front-nav .brand{margin-right:0}.front-nav .theme-toggle{width:42px;height:42px}.front-nav .nav-launch{display:none}.front-nav .menu-toggle{width:42px;height:42px;color:inherit;border:1px solid #0000;border-radius:6px;place-items:center;margin:0;padding:0;display:grid}.front-nav .menu-toggle:hover{background:#ffffff14;border-color:#ffffff32}.frontpage.theme-light .front-nav .menu-toggle:hover{background:#e8eae5;border-color:#c8cbc6}.front-nav .nav-links.open{align-items:stretch;gap:0;height:calc(100svh - 63px);max-height:calc(100svh - 64px);padding:22px 6% 28px;top:63px;overflow-y:auto}.front-nav .nav-links>a:not(.mobile-nav-launch),.front-nav .nav-explore summary{min-height:52px;color:inherit;border-bottom:1px solid #ffffff21;justify-content:space-between;padding:14px 0;font-size:16px}.front-nav .nav-explore summary,.front-nav .nav-explore{width:100%}.front-nav .nav-links>a:not(.mobile-nav-launch) svg{width:16px;height:16px}.frontpage.theme-light .front-nav .nav-links>a:not(.mobile-nav-launch),.frontpage.theme-light .front-nav .nav-explore summary{border-color:#d7d9d4}.front-nav .mobile-nav-label{color:#929895;font:10px var(--mono,monospace);letter-spacing:.13em;padding:0 0 12px;display:block}.front-nav .mobile-nav-launch{color:#151515;background:#f0f0ed;border-radius:6px;justify-content:space-between;align-items:center;width:100%;min-height:46px;margin-top:auto;padding:0 16px;font-size:13px;display:flex}.frontpage.theme-light .front-nav .mobile-nav-launch{color:#f8f8f5;background:#171918}.front-nav .nav-links.open{background:#111}.frontpage.theme-light .front-nav .nav-links.open{background:#f8f8f5}}