/* A continuous document with chapter-like scenes; native scrolling stays intact. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.reading-progress{position:fixed;inset:0 0 auto;height:2px;z-index:30;background:transparent;pointer-events:none}.reading-progress span{display:block;width:100%;height:100%;background:#e5e5e3;transform:scaleX(var(--reading-progress,0));transform-origin:left}
.chapter-rail{position:fixed;right:13px;top:50%;transform:translateY(-50%);display:grid;gap:14px;z-index:12;mix-blend-mode:difference}.chapter-rail a{display:flex;align-items:center;justify-content:flex-end;min-width:24px;min-height:22px;color:#fff}.chapter-rail span{font:8px monospace;opacity:.35;transition:opacity .25s}.chapter-rail a::after{content:'';width:7px;height:1px;margin-left:7px;background:#fff;opacity:.3;transition:width .3s,opacity .3s}.chapter-rail a[aria-current] span,.chapter-rail a:hover span{opacity:1}.chapter-rail a[aria-current]::after{width:15px;opacity:1}
.header{position:relative;z-index:15}.hero{min-height:max(680px,calc(100svh - 100px))}.hero h1{margin-top:clamp(100px,18vh,210px)}.hero .signal{transform:translateY(calc(var(--hero-progress,0) * 90px));opacity:calc(.85 - var(--hero-progress,0) * .45)}
.threshold{position:relative;height:150svh;min-height:900px;border-top:1px solid var(--line);background:#0c0c0c;isolation:isolate}.threshold-stage{position:sticky;top:0;height:100svh;min-height:600px;display:flex;flex-direction:column;justify-content:space-between;padding-block:48px;overflow:hidden}.threshold-heading,.threshold-caption{display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;z-index:1}.threshold-heading{color:var(--dim)}.threshold-counter{font:10px monospace;letter-spacing:2px}.threshold-frames{position:relative;z-index:1;display:grid;align-items:center;margin-block:70px}.threshold-frames p{grid-area:1/1;margin:0;font:400 clamp(60px,8vw,130px)/.97 Arial,Helvetica,sans-serif;letter-spacing:-5px;opacity:0;transform:translateY(32px);transition:transform .7s cubic-bezier(.22,1,.36,1),opacity .45s ease;pointer-events:none}.threshold-frames em{color:#9c9c99}.threshold[data-frame="0"] .threshold-frames [data-frame="0"],.threshold[data-frame="1"] .threshold-frames [data-frame="1"],.threshold[data-frame="2"] .threshold-frames [data-frame="2"]{opacity:1;transform:translateY(0)}.threshold-caption p{font:10px/1.8 monospace;text-transform:uppercase;color:var(--dim);margin:0}.threshold-caption>span{font:9px monospace;letter-spacing:1px;color:var(--dim)}.threshold-art{position:absolute;inset:10% 0 8% 35%;z-index:-1;opacity:.45;transform:rotate(calc(-25deg + var(--scene-progress,0) * 90deg));transition:opacity .5s}.threshold-art i{position:absolute;left:15%;top:15%;width:70%;height:70%;border:1px solid #666;border-radius:50%;transform:rotateX(60deg) rotateY(15deg) rotate(calc(var(--ring) * 20deg))}.threshold-art i:nth-child(1){--ring:0}.threshold-art i:nth-child(2){--ring:1}.threshold-art i:nth-child(3){--ring:2}.threshold-art i:nth-child(4){--ring:3}.threshold-art i:nth-child(5){--ring:4}
.services{position:relative;padding-top:80px}.services .section-heading h2{max-width:750px}.section-heading h2,.contact h2{overflow-wrap:normal}.lab{padding-block:80px;overflow:hidden;position:relative}.lab .section-heading{position:relative;z-index:1}.experiments{gap:44px}.experiment-visual{height:360px}.experiments article:nth-child(2){padding-top:80px}.experiment-caption{border-bottom:1px solid var(--line);padding-bottom:25px}.experiment-visual .flow{padding-top:115px}.experiment-visual .mock{top:115px}.workflow{background-color:#181818;background-image:radial-gradient(#555 1px,transparent 1px)}.product{background:#242424}.approach{position:relative;display:grid;grid-template-columns:1fr 1.1fr;gap:8%;align-items:start}.approach>.section-heading{position:sticky;top:80px;display:block;margin:0}.approach .section-heading h2{margin-top:30px;font-size:clamp(40px,4.5vw,72px)}.approach .section-heading p{margin-top:35px;max-width:300px}.steps{display:block}.steps article{position:sticky;top:90px;min-height:250px;margin-bottom:32px;padding:30px;background:#111;border:1px solid #333;box-shadow:0 -22px 38px #0c0c0c55}.steps article:nth-child(2){top:110px}.steps article:nth-child(3){top:130px}.steps article:nth-child(4){top:150px;margin-bottom:40px}.steps h3{font-size:clamp(24px,2.6vw,38px);line-height:1.1;margin-top:48px;margin-bottom:20px}.steps p{max-width:360px}.contact{min-height:70svh;display:flex;align-items:center;position:relative;overflow:hidden}.contact .wrap{position:relative;z-index:1}.contact h2{margin-block:70px}.contact .brief-button{position:relative;overflow:hidden;transition:background .3s,color .3s}.contact .brief-button:hover{background:#e5e5e3;color:#111}.contact .brief-button span{transition:transform .3s}.contact .brief-button:hover span{transform:translate(3px,-3px)}
.motion-ready [data-reveal]{opacity:0;transform:translateY(35px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,1,.36,1);transition-delay:var(--reveal-delay,0ms)}.motion-ready [data-reveal].is-visible{opacity:1;transform:translateY(0)}
@media(max-width:1000px){.chapter-rail{right:6px}.chapter-rail span{display:none}.chapter-rail a::after{margin-left:0}.chapter-rail a[aria-current]::after{width:10px}.hero{min-height:720px}.threshold{height:150svh}.threshold-frames p{font-size:9vw;letter-spacing:-3px}.experiment-visual{height:350px}.experiments article:nth-child(2){padding-top:90px}.experiment-visual .flow{padding-top:80px}.experiment-visual .mock{top:75px}.approach{gap:6%}.steps article{padding:25px}.steps h3{margin-top:40px}}
@media(max-width:640px){.chapter-rail{display:none}.hero{min-height:740px}.hero h1{margin-top:215px}.threshold{height:150svh;min-height:900px}.threshold-stage{min-height:540px;padding-block:35px}.threshold-heading .eyebrow{font-size:8px;letter-spacing:.5px}.threshold-counter{font-size:8px}.threshold-frames p{font-size:12vw;letter-spacing:-2px;line-height:1.05}.threshold-frames{margin-block:80px}.threshold-art{inset:12% -25% 15% 0;opacity:.35}.threshold-caption>span{font-size:8px}.threshold-caption p{font-size:9px}.services{padding-top:70px}.lab{padding-block:70px}.experiments{gap:45px}.experiments article:nth-child(2){padding-top:0}.experiment-visual{height:340px}.approach{display:block}.approach>.section-heading{position:static;margin-bottom:45px}.approach .section-heading h2{font-size:40px}.approach .section-heading p{margin-top:25px}.steps article{min-height:230px;padding:25px;margin-bottom:35px}.steps h3{font-size:29px}.steps article:nth-child(4){margin-bottom:20px}.contact{min-height:70svh}.contact h2{margin-block:50px}.contact-bottom .brief-button{font-size:10px}.footer{padding-top:35px}}
@media(prefers-reduced-motion:reduce){.threshold{height:auto;min-height:0}.threshold-stage{position:relative;height:auto;min-height:0;padding-block:70px}.threshold-frames{gap:35px;margin-block:60px}.threshold-frames p{grid-area:auto;opacity:1;transform:none;font-size:clamp(40px,6vw,90px)}.threshold-art{transform:none;opacity:.15}.threshold-counter{display:none}.hero .signal{transform:none;opacity:.8}.motion-ready [data-reveal]{opacity:1;transform:none;transition:none}.steps article{position:static}.approach>.section-heading{position:static}.contact .brief-button,.contact .brief-button span{transition:none}}
