:root{color-scheme:dark;--bg:#08090b;--ink:#f5f4f1;--muted:#99999f;--accent:#ff782b;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}body{margin:0;background:var(--bg);color:var(--ink);overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid #ff9b57;outline-offset:7px}::selection{background:#ff782b;color:#08090b}.skip{position:fixed;left:20px;top:-100px;z-index:100;background:#fff;color:#000;padding:15px}.skip:focus{top:15px}.nav{height:82px;padding:0 5%;display:flex;align-items:center;gap:28px;background:rgba(8,9,11,.88);backdrop-filter:blur(18px);position:fixed;top:0;width:100%;z-index:50;border-bottom:1px solid #ffffff0d}.brand{display:flex;align-items:center;gap:12px;font-size:20px;letter-spacing:2px;font-weight:800;line-height:1}.brand-symbol{font-size:40px;color:#ff782b;font-weight:500;transform:skew(-12deg)}.brand-sub{display:block;font-size:9px;letter-spacing:3px;margin-top:7px}.nav nav{display:flex;gap:32px;margin-left:auto;align-items:center;font-size:14px}.nav nav>a{transition:color .2s}.nav nav>a:hover{color:#ff9856}.nav-cta{border:1px solid #ffffff30;border-radius:30px;padding:11px 18px}.nav-cta span{color:#777;margin-left:14px;font-size:12px}.nav button{background:none;border:0;color:#8c8c92;font-size:12px;cursor:pointer;padding:6px;max-width:95px;text-align:left}.eyebrow{font-size:12px;letter-spacing:2.4px;font-weight:600;line-height:1.5}.hero{min-height:850px;height:100svh;max-height:1200px;position:relative;padding:160px 8% 100px;display:flex;align-items:center;isolation:isolate;overflow:hidden}.paint{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:-1;mask-image:radial-gradient(ellipse at 70% 48%,#000,transparent 72%)}.hero-copy{width:56%;position:relative;z-index:3}.hero .eyebrow{color:#a3a3ab;margin:0 0 30px}.hero h1{font-size:clamp(64px,6.7vw,108px);letter-spacing:-6px;font-weight:600;line-height:.99;margin:0 0 30px}.hero h1 em{font-style:normal;color:#ff823b}.lead{font-size:18px;line-height:1.65;color:#adaeb6;margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border:1px solid #ffffff50;padding:14px 23px;border-radius:30px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:#ffffff16;transform:translateY(-2px)}.button.primary{background:#f4f3ef;color:#161719;border-color:#f4f3ef}.button.primary:hover{background:#ff9250;border-color:#ff9250}.hero-note{display:block;font-size:12px;color:#777b84;margin-top:18px}.hero-product{position:absolute;right:11%;top:23%;width:28%;height:62%;display:flex;justify-content:center;align-items:center;perspective:1200px}.hero-product>img{height:auto;width:85%;max-height:100%;object-fit:contain;transform:rotateY(-15deg) rotateZ(7deg);box-shadow:14px 18px 0 -9px #d9d7d2,22px 30px 55px #000b;position:relative;z-index:2}.product-caption{position:absolute;bottom:-35px;left:13%;color:#84858e;font-size:12px;letter-spacing:3px}.orbit{position:absolute;width:130%;aspect-ratio:1;border-radius:50%;border:1px solid #ff762522;transform:rotateX(50deg) rotateZ(-25deg)}.orbit-two{width:165%;border-color:#337bff20}.hero-bottom{position:absolute;bottom:34px;left:8%;right:8%;display:flex;gap:13px;align-items:center;color:#858690;font-size:10px;letter-spacing:2px}.scroll-mark{width:1px;height:32px;background:linear-gradient(#ff8a3b,transparent)}.edition{margin-left:auto}.chapter{height:330svh;position:relative;--p:0;--open:0;--world:0;--resolve:0;--finish:0;--intro:1;--bookfade:1}.chapter-stage{height:100svh;min-height:620px;position:sticky;top:0;overflow:hidden;isolation:isolate;border-top:1px solid #ffffff12}.chapter-top{position:absolute;top:112px;left:8%;right:8%;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:20px}.chapter-top .eyebrow{color:var(--accent)}.chapter-top .eyebrow span{color:#8e9098;margin-left:18px;font-size:11px;letter-spacing:1.7px}.buy-link{font-size:13px;white-space:nowrap;border-bottom:1px solid #ffffff50;padding:8px 0}.buy-link span{display:none}.buy-link:hover{color:var(--accent)}.chapter-intro{position:absolute;left:8%;top:35%;max-width:49%;z-index:5;opacity:var(--intro);transform:translateY(calc(var(--p)*-150px));pointer-events:none}.chapter-intro h2{font-size:clamp(36px,4.6vw,74px);line-height:1.06;font-weight:500;letter-spacing:-3px;margin:0 0 25px}.chapter-intro p{color:#a3a4ac;font-size:17px;line-height:1.7;max-width:410px}.book-stage{position:absolute;left:65%;top:30%;width:clamp(180px,20vw,315px);aspect-ratio:985/1500;perspective:1700px;z-index:4;opacity:var(--bookfade);transform:translateX(calc(var(--open)*-13vw)) scale(calc(1 + var(--open)*1.7));transform-origin:50% 50%;pointer-events:none}.book-object{height:100%;width:100%;position:relative;transform-style:preserve-3d;transform:rotateY(calc(-15deg + var(--open)*25deg)) rotateZ(calc(4deg - var(--open)*4deg))}.book-cover{position:absolute;inset:0;transform-origin:left;transform:rotateY(calc(var(--open)*-155deg));transform-style:preserve-3d;box-shadow:4px 4px 8px #0006;backface-visibility:hidden}.book-cover img{width:100%;height:100%;display:block}.book-pages{position:absolute;inset:2px -6px 2px 0;background:#edeae2;color:#171717;padding:17% 12%;display:flex;flex-direction:column;justify-content:space-between;box-shadow:9px 6px 0 -3px #c4c1b8}.book-pages>span{font-weight:800;font-size:24px;letter-spacing:-1px}.book-pages small{font-size:12px}.page-lines{height:35%;background:repeating-linear-gradient(0deg,transparent 0 12px,#bbb7ac 12px 13px)}.book-spine{position:absolute;top:0;bottom:0;left:-8px;width:8px;background:#c2c0ba;transform:rotateY(-90deg);transform-origin:right}.world{position:absolute;inset:0;opacity:var(--world);pointer-events:none;z-index:6;transform:scale(calc(1.14 - var(--world)*.14))}.world-images{position:absolute;inset:8% 0 0;overflow:hidden;mask-image:linear-gradient(transparent,#000 20%,#000 76%,transparent)}.world-images>img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.chaos-art{opacity:calc(.7 - var(--resolve)*.55);filter:saturate(.6)}.calm-art{opacity:calc(var(--resolve)*.64)}.world-images:after{content:'';position:absolute;inset:0;background:linear-gradient(#08090b 0%,transparent 38%,#08090b9c 67%,#08090b)}.world-title{position:absolute;top:22%;width:100%;text-align:center;padding:0 12%}.world-title h3{font-size:clamp(28px,3vw,48px);font-weight:500;letter-spacing:-1.5px;margin:0;position:absolute;left:10%;right:10%}.before-title{opacity:calc(1 - var(--resolve));transform:translateY(calc(var(--resolve)*-30px))}.after-title{opacity:var(--resolve);transform:translateY(calc((1 - var(--resolve))*30px))}.system-diagram{width:min(700px,75vw);height:360px;position:absolute;top:36%;left:50%;transform:translateX(-50%)}.connections{position:absolute;width:100%;height:100%;overflow:visible}.connections path{fill:none;stroke:var(--accent);stroke-width:1.5;vector-effect:non-scaling-stroke}.tangle{opacity:calc(.6 - var(--resolve)*.6);stroke-dasharray:8 8}.order{stroke-dasharray:1900;stroke-dashoffset:calc(1900 - var(--resolve)*1900);opacity:var(--resolve)}.system-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#08090b;border:1px solid var(--accent);padding:15px 22px;border-radius:4px;letter-spacing:2px;font-size:12px;opacity:var(--resolve)}.system-node{position:absolute;width:205px;height:72px;display:flex;align-items:center;justify-content:center;background:#111318ee;border:1px solid #ffffff25;border-radius:4px;box-shadow:0 10px 40px #0004;transform:translate(calc((1 - var(--resolve))*var(--tx)),calc((1 - var(--resolve))*var(--ty))) rotate(calc((1 - var(--resolve))*var(--rot)))}.node-0{left:3%;top:10%;--tx:35px;--ty:25px;--rot:-12deg}.node-1{right:3%;top:10%;--tx:-25px;--ty:30px;--rot:9deg}.node-2{left:3%;bottom:10%;--tx:65px;--ty:-20px;--rot:8deg}.node-3{right:3%;bottom:10%;--tx:-40px;--ty:0px;--rot:-8deg}.node-before,.node-after{position:absolute;padding:15px;font-size:14px;text-align:center}.node-before{opacity:calc(1 - var(--resolve));color:#c7c7cc}.node-after{opacity:var(--resolve);display:flex;gap:12px;align-items:center;text-align:left}.node-after small{color:var(--accent);font-size:12px}.world-end{position:absolute;bottom:15%;width:100%;text-align:center;color:#b0b0b7;font-size:16px;opacity:var(--finish);padding:0 8%;margin:0}.world-cta{position:absolute;left:50%;bottom:7%;transform:translateX(-50%);opacity:var(--finish);pointer-events:auto;visibility:hidden;white-space:nowrap;background:#141519ee}.chapter:has(.chapter-meter i[style]) .world-cta{visibility:visible}.world-cta:hover{transform:translateX(-50%) translateY(-2px)}.chapter-bottom{position:absolute;left:8%;right:8%;bottom:30px;display:flex;align-items:center;gap:20px;color:#888a94;font-size:10px;letter-spacing:2px;z-index:10}.chapter-meter{width:80px;height:2px;background:#ffffff20}.chapter-meter i{display:block;height:100%;width:calc(var(--p)*100%);background:var(--accent)}.chapter-count{margin-left:auto}.model-section{padding:125px 10%;background:#0d0e11;border-top:1px solid #ffffff12;position:relative}.model-section>.eyebrow{color:#ff8c47}.model-section h2,.library h2{font-size:clamp(34px,4.2vw,64px);font-weight:500;line-height:1.08;letter-spacing:-2.5px;margin:25px 0}.model-section h2 span{color:#777b86}.section-intro{font-size:17px;color:#a3a5ae;max-width:590px;line-height:1.7;margin-bottom:50px}.quadrants{display:grid;grid-template-columns:1fr 1fr;gap:16px}.quadrants>a{position:relative;min-height:220px;display:flex;gap:22px;align-items:flex-start;padding:35px 26px;border:1px solid #ffffff17;border-radius:7px;background:#111317;overflow:hidden;transition:background .3s,border .3s}.quadrants>a:hover{background:#171b21;border-color:var(--accent)}.q-number{font-size:14px;color:var(--accent)}.quadrants small{font-size:11px;letter-spacing:2px;color:#777d86}.quadrants h3{font-size:24px;line-height:1.2;max-width:240px;font-weight:500;margin:17px 0}.q-action{font-size:12px;color:var(--accent)}.quadrants img{position:absolute;width:96px;right:20px;bottom:-18px;transform:rotate(9deg);opacity:.65;transition:transform .3s,opacity .3s}.quadrants>a:hover img{opacity:1;transform:rotate(0deg) translateY(-10px)}.quadrants>a>div{z-index:2;padding-right:65px}.model-bottom{display:flex;gap:35px;margin-top:40px;font-size:13px;color:#8e929c}.leando-art{object-position:center;opacity:.86;transform:scale(calc(1.1 - var(--resolve)*.1))}.leando-images{inset:12% 0 14%}.leando-steps{display:flex;justify-content:space-between;gap:15px;position:absolute;left:12%;right:12%;bottom:23%}.leando-steps>span{font-size:14px;color:#eee;background:#08090bbd;padding:15px;border-bottom:1px solid var(--accent);opacity:clamp(.2,calc(var(--resolve)*4 - var(--i) + 1),1)}.leando-steps b{display:block;color:var(--accent);font-size:12px;margin-bottom:12px}.library{padding:110px 8% 130px;border-top:1px solid #ffffff15}.library-heading{display:flex;justify-content:space-between;align-items:center;gap:40px;margin-bottom:55px}.library-heading>.eyebrow{color:#888}.library-heading>p{max-width:330px;color:#a4a6ae;line-height:1.7;font-size:16px}.book-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}.shelf-cover{display:block;perspective:1000px}.shelf-cover img{width:100%;display:block;transition:transform .4s;box-shadow:8px 12px 30px #0008}.shelf-cover:hover img{transform:translateY(-12px) rotateY(-12deg)}.book-grid .eyebrow{color:var(--accent);font-size:10px;margin-top:25px}.book-grid h3{font-size:16px;font-weight:500;line-height:1.4;min-height:45px}.shelf-buy{font-size:12px;color:#999da8;border-bottom:1px solid #555b67;padding-bottom:5px}.shelf-buy:hover{color:var(--accent)}.closing{padding:90px 8% 120px;background:#101115;text-align:center;border-top:1px solid #ffffff10}.closing .eyebrow{color:#8a8d97}.closing h2{font-size:clamp(38px,5.5vw,80px);font-weight:500;letter-spacing:-3px;line-height:1.1;margin:35px 0}.closing h2 span{color:#676b76}.closing .button{margin-top:10px}footer{display:flex;justify-content:space-between;align-items:center;padding:35px 5%;gap:30px;color:#828691;font-size:12px}footer .brand{font-size:12px;letter-spacing:1px;color:#ddd}.chapter-nav{position:fixed;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:18px;z-index:30}.chapter-nav a{display:flex;align-items:center;gap:10px;padding:4px}.chapter-nav span{font-size:10px;color:#b2b6c1;opacity:0;transition:opacity .2s}.chapter-nav i{display:block;width:4px;height:4px;border-radius:50%;background:#6c707b;transition:transform .2s}.chapter-nav a.active i{background:var(--accent);transform:scale(1.6)}.chapter-nav a:hover span,.chapter-nav a.active span{opacity:1}#page-progress{height:2px;background:#ff782b;position:fixed;top:80px;left:0;z-index:60;width:0}.reduced{scroll-behavior:auto}.reduced .chapter{height:auto}.reduced .chapter-stage{position:relative;height:auto;min-height:1050px}.reduced .chapter-intro{opacity:1;top:180px;transform:none;width:54%;max-width:54%}.reduced .book-stage{opacity:1;transform:none;top:190px;width:180px;left:auto;right:12%}.reduced .book-object,.reduced .book-cover{transform:none}.reduced .world{opacity:1;inset:460px 0 0;transform:none}.reduced .world-title{top:5%}.reduced .system-diagram{top:14%;height:300px}.reduced .world-end{bottom:22%}.reduced .world-cta{bottom:10%;visibility:visible}.reduced .world-images{inset:0}.reduced .chapter-bottom{bottom:22px}.reduced .scroll-hint{display:none}.reduced .leando-steps{bottom:32%}.reduced .book-stage{z-index:8}
@media(min-height:950px){.world-end{bottom:16%}.world-cta{bottom:9%}}
@media(max-width:1000px){.nav{padding:0 4%;gap:16px}.nav nav{gap:20px}.hero{padding-left:7%;min-height:760px}.hero h1{letter-spacing:-4px}.hero-product{right:8%;width:32%}.chapter-top,.chapter-bottom{left:7%;right:7%}.chapter-top .eyebrow span{display:block;margin:6px 0 0}.chapter-intro{left:7%}.chapter-intro h2{letter-spacing:-2px}.quadrants img{width:75px;right:10px}.quadrants>a{padding:28px 20px;gap:16px}.quadrants h3{font-size:21px}.book-grid{grid-template-columns:repeat(3,1fr);gap:45px 30px}.book-grid article{max-width:240px}.chapter-nav{right:10px}.world-end{bottom:17%}.world-cta{bottom:8%}.system-diagram{top:35%;height:310px}.system-node{width:185px}.model-section{padding-left:8%;padding-right:8%}}
@media(max-width:640px){html{scroll-padding-top:65px}.nav{height:66px;gap:12px}.brand{font-size:16px;gap:8px}.brand-symbol{font-size:30px}.brand-sub{font-size:7px;letter-spacing:2.2px;margin-top:5px}.nav nav{gap:10px}.nav nav>a:not(.nav-cta){display:none}.nav-cta{font-size:12px;padding:8px 13px}.nav-cta span{display:none}.nav button{font-size:10px;max-width:72px}#page-progress{top:64px}.hero{height:calc(100svh + 90px);min-height:830px;max-height:none;padding:115px 7% 80px;display:block}.hero-copy{width:100%}.hero .eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:22px}.hero h1{font-size:60px;line-height:1;letter-spacing:-3.5px;position:relative;z-index:4}.lead{font-size:15px;max-width:270px;margin:20px 0}.hero .button{font-size:13px;min-height:44px;padding:12px 19px}.hero-note{font-size:10px;max-width:190px;line-height:1.6}.hero-product{top:auto;bottom:88px;right:16%;width:36%;height:auto;aspect-ratio:985/1500;z-index:2}.hero-product>img{width:100%}.product-caption{bottom:-30px;font-size:9px;left:5%;white-space:nowrap}.hero-bottom{left:7%;right:7%;bottom:20px;font-size:8px;letter-spacing:1px}.edition{display:none}.hero .paint{mask-image:radial-gradient(ellipse at 65% 65%,#000,transparent 70%)}.chapter{height:290svh}.chapter-stage{min-height:660px}.chapter-top{top:86px;left:7%;right:7%;align-items:flex-start}.chapter-top .eyebrow{font-size:10px;letter-spacing:1.3px}.chapter-top .eyebrow span{font-size:8px;letter-spacing:1px;max-width:210px}.buy-link{font-size:10px;margin-top:4px}.chapter-intro{top:24%;max-width:90%;right:7%}.chapter-intro h2{font-size:38px;letter-spacing:-1.8px;margin-bottom:18px}.chapter-intro p{font-size:14px;line-height:1.6;max-width:340px}.book-stage{top:56%;left:59%;width:133px;transform:translateX(calc(var(--open)*-22vw)) translateY(calc(var(--open)*-10vh)) scale(calc(1 + var(--open)*2.4))}.chapter-bottom{left:7%;right:7%;bottom:23px;gap:12px;font-size:8px;letter-spacing:1px}.chapter-meter{width:45px}.scroll-hint{display:none}.chapter-nav{right:4px;gap:17px}.chapter-nav span{display:none}.chapter-nav i{width:3px;height:3px}.world-title{top:24%}.world-title h3{font-size:27px;letter-spacing:-1px;left:7%;right:7%}.world-images{inset:17% 0 4%}.world-images>img{object-position:center}.system-diagram{width:90vw;height:280px;top:37%}.system-node{width:43%;height:70px}.node-before,.node-after{font-size:12px;padding:10px}.node-after{gap:6px}.node-after small{font-size:10px}.system-center{font-size:9px;padding:10px 12px}.connections{opacity:.8}.world-end{font-size:13px;line-height:1.5;bottom:18%;padding:0 10%}.world-cta{font-size:12px;padding:11px 17px;min-height:42px;bottom:9%}.model-section{padding:75px 7%}.model-section h2,.library h2{font-size:35px;letter-spacing:-1.5px}.section-intro{font-size:15px}.quadrants{grid-template-columns:1fr;gap:12px}.quadrants>a{min-height:165px;padding:24px;gap:18px}.quadrants h3{font-size:22px;max-width:230px}.quadrants img{width:83px;right:22px}.quadrants>a>div{padding-right:55px}.model-bottom{flex-direction:column;gap:12px;font-size:12px}.leando-images{inset:30% -38% 24%}.leando-images>img{object-fit:contain}.leando-steps{left:7%;right:7%;bottom:26%;gap:5px}.leando-steps>span{font-size:10px;line-height:1.4;padding:7px;flex:1}.leando-steps b{font-size:9px;margin-bottom:8px}.library{padding:75px 7%}.library-heading{display:block;margin-bottom:40px}.library-heading>p{font-size:15px;max-width:none}.book-grid{grid-template-columns:repeat(2,1fr);gap:40px 23px}.book-grid h3{font-size:14px;min-height:40px}.shelf-buy{font-size:11px}.closing{padding:75px 7%}.closing h2{font-size:39px;letter-spacing:-1.8px}.closing .button{font-size:12px}footer{flex-direction:column;gap:18px;text-align:center;padding:35px 7%}.reduced .chapter-stage{min-height:1240px}.reduced .chapter-intro{top:175px;max-width:86%;width:86%}.reduced .book-stage{top:390px;right:calc(50% - 60px);width:120px}.reduced .world{inset:615px 0 0}.reduced .world-title{top:3%}.reduced .system-diagram{top:19%}.reduced .world-end{bottom:19%}.reduced .world-cta{bottom:8%}.reduced .leando-images{inset:5% -40% 10%}.reduced .leando-steps{bottom:30%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media(min-width:641px){
.flow .system-node{width:23%;top:calc(50% - 36px);bottom:auto}
.flow .node-0{left:0}.flow .node-1{left:25.5%;right:auto}.flow .node-2{left:51%}.flow .node-3{left:77%;right:auto}
.flow .system-center{top:80%;border:0;color:var(--accent);background:transparent}
.growth .system-node{width:24%;height:72px;bottom:auto}
.growth .node-0{left:0;top:68%}.growth .node-1{left:25%;top:49%;right:auto}.growth .node-2{left:50%;top:30%}.growth .node-3{left:75%;top:11%;right:auto}
.growth .system-center{top:88%;left:72%;background:transparent;border:0;color:var(--accent)}
.leando-images .leando-art{width:145%;max-width:none;object-fit:contain;transform:translateX(calc(var(--resolve)*-31%));opacity:.9}
}