@font-face{font-family:Nimbus;src:url('nimbus-sans.otf') format('opentype');font-weight:400;font-display:swap}
:root{color-scheme:dark;--bg:#050505;--fg:#ededed;--muted:#b4b4b4;--accent:#a1a1a1;--border:#2e2e2e;--panel:#171717;--field:#101010;--strong:#f0f0f0;--strong-hover:#dedede;--on-strong:#050505;--focus:#f0f0f0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--bg);color:var(--fg);font-family:Nimbus,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}a:focus-visible{outline:2px solid var(--focus);outline-offset:7px}.shell{max-width:1280px;padding:0 64px;margin:auto}.skip{position:absolute;left:24px;top:-80px;padding:12px;background:white;color:black;z-index:3}.skip:focus{top:12px}header{height:116px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);gap:24px}.brand{display:block;line-height:0;flex-shrink:0}.brand img{display:block;width:220px;height:auto}.stealth{font-size:.875rem;color:var(--muted);border:1px solid #333;padding:9px 14px;border-radius:4px;white-space:nowrap}.hero{padding:91px 0 76px;text-align:center}.eyebrow{font-size:.8125rem;letter-spacing:.15em;color:var(--accent);margin:0 0 28px}h1{font-size:clamp(3.25rem,6.4vw,5.6rem);line-height:1.045;letter-spacing:-.052em;font-weight:400;margin:0 auto 29px}h1 span{color:#a6a6a6}.intro{color:#b4b4b4;font-size:1.25rem;line-height:1.55;margin:0 auto 31px;max-width:660px}.cta{display:inline-flex;align-items:center;justify-content:center;text-align:center;padding:15px 22px;border-radius:4px;background:var(--strong);color:var(--on-strong);text-decoration:none;font-size:1rem;min-height:50px;transition:background .15s,transform .15s}.cta:hover{background:var(--strong-hover);transform:translateY(-2px)}.subnote{font-size:.875rem;color:#828282;margin:20px 0 0}.approach{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:34px 0 40px;scroll-margin-top:32px}.approach article{padding:0 34px}.approach article:first-child{padding-left:0}.approach article:last-child{padding-right:0}.approach article+article{border-left:1px solid var(--border)}.index{display:flex;align-items:center;gap:16px;font-size:.8125rem;color:#858585;margin-bottom:23px}.index span{height:1px;width:30px;background:#414141}.approach article:nth-child(2) .index span{background:var(--accent)}h2{font-size:1.5rem;font-weight:400;letter-spacing:-.015em;margin:0 0 13px}.approach p{font-size:1rem;line-height:1.6;color:var(--muted);max-width:295px;margin:0}footer{display:flex;align-items:center;justify-content:center;gap:20px;min-height:104px;color:#777;font-size:.8125rem}footer p:first-child{color:#aaa}footer p{margin:0}
@media(min-width:1600px){.hero{padding-top:110px;padding-bottom:94px}}
@media(max-width:760px){.shell{padding:0 26px}header{height:92px}.brand img{width:205px}.stealth{font-size:.75rem;padding:7px 10px}.hero{padding:74px 0 56px}.eyebrow{font-size:.75rem;letter-spacing:.1em}h1{font-size:clamp(2.7rem,8.2vw,4rem)}.intro{font-size:1.125rem}.approach article{padding:0 22px}.approach p{font-size:1rem}footer p:nth-child(2){display:none}}
@media(max-width:540px){.shell{padding:0 22px}header{gap:12px}.brand img{width:180px}.stealth{border:0;padding:0;font-size:.75rem;max-width:80px;white-space:normal;text-align:right;line-height:1.4}.hero{padding:66px 0 53px}.eyebrow{max-width:250px;line-height:1.65;margin:0 auto 22px}h1{font-size:clamp(1.875rem,9.35vw,3.3rem);letter-spacing:-.045em;line-height:1.1}.intro{max-width:330px;margin-bottom:26px}.desktop{display:none}.subnote{max-width:260px;margin:18px auto 0;line-height:1.6}.approach{grid-template-columns:1fr;padding:6px 0}.approach article,.approach article:first-child,.approach article:last-child{padding:28px 0}.approach article+article{border-left:0;border-top:1px solid var(--border)}.index{margin-bottom:16px}.approach p{max-width:100%}footer{min-height:87px;flex-wrap:wrap;font-size:.75rem;gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cta{transition:none}}
nav{display:flex;align-items:center;gap:28px}nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;white-space:nowrap;line-height:1.2;text-decoration:none;font-size:.875rem}nav a:hover{color:var(--accent)}.hero{padding-bottom:85px}.section-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.section-top .eyebrow{margin:0}.small{font-size:.8125rem;color:#858585}.concept{border:1px solid var(--border);background:var(--panel);padding:34px 38px 48px;border-radius:6px;margin-bottom:50px}.concept-copy{display:flex;justify-content:space-between;align-items:center;gap:55px;margin:34px 0 46px}.concept-copy h2{font-size:2.1rem;line-height:1.15;margin:0;letter-spacing:-.03em}.concept-copy p{max-width:390px;color:var(--muted);line-height:1.6;margin:0}.system{display:grid;grid-template-columns:1fr 44px 1.2fr 44px 1fr;align-items:center}.runtime-stack{display:grid;gap:12px}.runtime-stack>div{border:1px solid #303030;background:#212121;border-radius:4px;min-height:52px;padding:14px 16px;font-size:.9375rem;display:flex;align-items:center;gap:12px}.node-symbol{color:#929292}.bridge{height:1px;background:#555}.plane{min-height:152px;border:1px solid #707070;border-radius:6px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:18px 12px;background:#212121}.plane img{width:90%;max-width:220px;height:auto}.plane span{font-size:.8125rem;color:var(--accent)}.outputs>div{color:#bbb}.audience{padding:86px 0}.audience h2{font-size:2.5rem;letter-spacing:-.035em}.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:35px}.roles p{margin:0;display:flex;flex-direction:column;gap:12px}.roles strong{font-size:1.0625rem;font-weight:400}.roles span{color:var(--muted);line-height:1.6;font-size:1rem}.contact{border-top:1px solid var(--border);border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr 1.1fr;gap:85px;padding:66px 0 70px}.contact h2{font-size:3.3rem;letter-spacing:-.04em;line-height:1.1;margin-bottom:26px}.contact>div>p:last-child{max-width:390px;color:var(--muted);line-height:1.6}.contact .eyebrow{font-size:.75rem}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:flex;flex-direction:column;gap:10px;font-size:.875rem;color:#ccc;margin-bottom:20px}input,textarea{width:100%;min-width:0;background:var(--field);border:1px solid #333;border-radius:4px;padding:14px;color:white;font:inherit;line-height:1.5}input:focus,textarea:focus{outline:1px solid var(--focus);border-color:var(--focus)}textarea{resize:vertical}button.cta{border:0;font-family:inherit;cursor:pointer}.form-note{font-size:.8125rem;color:#999;line-height:1.5;max-width:430px;margin-bottom:0}
@media(max-width:850px){.concept{padding:28px}.concept-copy{gap:28px}.concept-copy h2{font-size:1.8rem}.concept-copy p{max-width:290px}.system{grid-template-columns:1fr 25px 1.15fr 25px 1fr}.runtime-stack>div{font-size:.8125rem;padding:12px 9px}.node-symbol{display:none}.contact{gap:40px}.contact h2{font-size:2.8rem}}
@media(max-width:620px){nav{gap:16px}.stealth{display:none}.brand img{width:180px}.hero{padding-bottom:55px}.concept{padding:24px 20px;margin-bottom:32px}.section-top{align-items:flex-start}.section-top .eyebrow{font-size:.6875rem;max-width:none;margin:0;letter-spacing:.08em}.small{font-size:.75rem;white-space:nowrap}.concept-copy{display:block;margin:28px 0}.concept-copy h2{font-size:1.8rem}.concept-copy p{max-width:none;font-size:1rem;margin-top:18px}.system{grid-template-columns:1fr}.runtime-stack{grid-template-columns:1fr;gap:8px}.runtime-stack>div{font-size:.875rem;justify-content:center;min-height:42px}.bridge{height:24px;width:1px;margin:auto}.plane{min-height:120px}.audience{padding:57px 0}.audience .eyebrow{max-width:none;font-size:.6875rem;margin:0 0 22px}.audience h2{font-size:2rem}.roles{grid-template-columns:1fr;gap:24px}.roles p{gap:7px}.contact{grid-template-columns:1fr;gap:24px;padding:45px 0}.contact .eyebrow{max-width:none;margin:0 0 22px}.contact h2{font-size:2.7rem}.contact>div>p:last-child{max-width:none}.fields{grid-template-columns:1fr;gap:0}nav a{font-size:.8125rem}}

.runtime-stack.inputs{position:relative}.runtime-stack.inputs>h3{position:absolute;bottom:100%;left:0;margin:0 0 12px;font-size:.875rem;font-weight:400;line-height:1.2;color:var(--muted)}
@media(max-width:620px){.runtime-stack.inputs>h3{position:static;margin:0 0 4px;text-align:center}}

.contact-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}button.cta:disabled{cursor:wait;opacity:.6;transform:none}.form-note[data-state="error"]{color:#d7b8b8}.form-note:empty{display:none}

.stealth,.cta,.concept,.runtime-stack>div,.plane,input,textarea{border-radius:0}

@media(min-width:621px) and (max-width:850px){.fields{grid-template-columns:1fr;gap:0}}

/* Private preview entry uses the same neutral action colors as the app. */
nav .preview-entry{padding:0 16px;min-height:44px;background:var(--strong);color:var(--on-strong);border:1px solid var(--strong);text-decoration:none}
nav .preview-entry:hover{background:var(--strong-hover);border-color:var(--strong-hover);color:var(--on-strong)}
@media(max-width:760px){header{height:auto;min-height:116px;padding:20px 0;flex-wrap:wrap;gap:16px}header nav{width:100%;justify-content:space-between;gap:16px}}