:root{color-scheme:dark;--ink:#070a10;--panel:#101721;--text:#eef3fa;--muted:#a9b4c5;--line:#26313f;--signal:#9cc9eb}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:5px}
button{font:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--signal);outline-offset:5px}
img{display:block;max-width:100%;height:auto}
.shell{width:min(1240px,calc(100% - 88px));margin:auto}
.skip{position:fixed;left:20px;top:-100px;padding:10px 18px;background:var(--text);color:var(--ink);z-index:20}
.skip:focus{top:10px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:112px;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:20px;font-weight:700;letter-spacing:-.035em;white-space:nowrap}
.brand b{font-weight:400;color:var(--muted)}
.site-header nav{display:flex;gap:28px;font-size:14px}
.contact-link{font-size:13px;padding:8px 14px;border:1px solid #465268;border-radius:7px;white-space:nowrap}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;padding-top:104px;padding-bottom:100px;align-items:center}
.intro{color:var(--signal);font-size:14px;margin:0 0 22px}
h1,h2,h3,p,figure{margin:0}
h1{font-size:clamp(42px,5vw,70px);font-weight:600;line-height:1.06;letter-spacing:-.058em}
h2{font-size:clamp(30px,3.3vw,46px);font-weight:600;line-height:1.14;letter-spacing:-.045em}
h3{font-size:23px;line-height:1.25;letter-spacing:-.025em;font-weight:600}
p{color:var(--muted)}
.lead{font-size:18px;max-width:620px;line-height:1.75;margin-top:26px}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:32px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:7px;background:var(--text);color:var(--ink);font-size:14px;font-weight:600;transition:background .15s}
.button:hover{background:#c9dff2;text-decoration:none}
.button.secondary{background:transparent;color:var(--text);border:1px solid #465268}
.button.secondary:hover{background:var(--panel)}
.hero-note{font-size:13px;margin-top:28px}
.hero-system{border-left:1px solid var(--line);padding-left:46px}
.system-heading{font-size:14px;margin-bottom:24px;color:var(--text)}
.system-flow{position:relative}
.system-flow>div{border:1px solid var(--line);background:var(--panel);padding:20px 24px;border-radius:8px}
.system-flow span:not(.flow-connector){font-size:12px;color:var(--muted)}
.system-flow strong{display:block;font-size:17px;line-height:1.4;color:var(--text);margin:4px 0}
.system-flow p{font-size:13px}
.flow-connector{display:block;text-align:center;color:var(--signal);height:28px;line-height:28px}
.claude-note{margin-top:30px;display:flex;gap:14px;align-items:flex-start}
.model-mark{font-size:34px;line-height:1.1;color:var(--signal)}
.claude-note strong{font-size:15px}
.claude-note p{font-size:13px;line-height:1.6;margin-top:5px}
.section{padding-top:92px;padding-bottom:92px;border-top:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:46px}
.section-head p{max-width:500px}
.products-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.product{padding:36px;border:1px solid var(--line);background:var(--panel);border-radius:12px}
.product h3,.product h2{margin:18px 0;font-size:29px}
.product p{max-width:550px}
.detail{font-size:13px;line-height:1.7;margin-top:18px}
.status{display:inline-block;color:#bac5d5;border:1px solid #526077;border-radius:5px;padding:3px 8px;font-size:11px;line-height:1.6}
.status.released{border-color:#3c586b;color:#b9d8ed}
.text-link{display:inline-block;color:var(--signal);font-size:14px;font-weight:500;margin-top:24px;min-height:25px}
.store-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:13px}
.store-links a{padding-bottom:2px;border-bottom:1px solid #465268}
.transit-product{display:grid;grid-template-columns:1fr 220px;gap:34px;grid-column:1/-1;padding:42px 42px 30px;overflow:hidden}
.product-screen{max-width:220px;align-self:center}
.product-screen img{max-height:350px;object-fit:cover;object-position:top;border:1px solid #3d4654;border-radius:14px;width:100%}
.product-screen figcaption{font-size:10px;color:var(--muted);margin-top:10px;text-align:center}
.product .store{display:block;margin-top:12px}
.section-link{margin-top:28px}
.architecture{background:#0c111a}
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.split .lead{font-size:17px}
.architecture-list article{padding:0 0 28px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.architecture-list article:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.architecture-list h3{font-size:21px;margin-bottom:12px}
.research-block{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;border:1px solid #38526b;border-radius:12px;padding:48px;background:var(--panel)}
.research-block h2{margin-bottom:22px}
.research-scope{border-left:1px solid var(--line);padding-left:36px}
.research-scope h3{font-size:20px;margin-bottom:18px}
.research-scope .status{margin-top:22px}
.about-strip{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.about-strip p+p{margin-top:18px}
.about-strip .text-link+.text-link{margin-left:24px}
.site-footer{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-top:56px;padding-bottom:36px;border-top:1px solid var(--line)}
.site-footer p{font-size:13px;margin-top:16px}
.site-footer nav{display:grid;grid-template-columns:1fr 1fr;gap:9px 24px;font-size:13px}
.site-footer small{grid-column:1/-1;font-size:11px;color:var(--muted)}
.page-hero{padding-top:90px;padding-bottom:70px}
.page-hero h1{max-width:850px}
.page-hero .store-links{margin-top:30px}
.prose p+p{margin-top:22px}
.prose h3{margin:32px 0 14px}
.prose h3:first-child{margin-top:0}
.prose a:not(.button){color:var(--signal);text-decoration:underline;text-underline-offset:4px}
.prose .text-link{margin-right:20px}
.legal-copy{max-width:820px}
.legal-copy h2{font-size:28px;margin:40px 0 18px}
.legal-copy h2:first-child{margin-top:0}
.contact-section p{margin:22px 0}
.worlds{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.worlds>a{padding:22px;border:1px solid var(--line);border-radius:12px}
.worlds img{aspect-ratio:16/9;object-fit:cover;border-radius:5px}
.worlds h3{margin-top:20px}
.worlds p{font-size:14px;margin-top:12px}
.source-table{overflow:auto;margin-top:34px}
table{border-collapse:collapse;width:100%;font-size:14px}
caption{text-align:left;font-size:13px;color:var(--muted);margin-bottom:14px}
th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:16px 18px}
th{font-weight:600;color:var(--text)}
td{color:var(--muted)}
th:first-child,td:first-child{padding-left:0}
.install-panel{padding:30px;border:1px solid var(--line);background:var(--panel);border-radius:12px;min-width:0}
.install-panel h3{font-size:18px;margin:24px 0 16px}
.install-panel h3:first-child{margin-top:0}
pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;color:#d2e7f8;background:var(--ink);padding:18px;border-radius:6px;line-height:1.7}
.copy-command{margin-top:14px}
.copy-status{font-size:13px;margin-top:18px}
.qa-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 36px;padding-left:26px}
.qa-steps li{padding:22px 12px 26px 8px;border-top:1px solid var(--line)}
.qa-steps li::marker{color:var(--signal);font-size:13px}
.qa-steps h3{font-size:19px;margin-bottom:14px}
.qa-steps p{font-size:14px}
.api-roadmap{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.api-roadmap strong{display:block;font-size:14px;color:var(--signal);margin-bottom:8px}
.api-roadmap p{font-size:13px}
.hero-copy,.hero-system{animation:arrive .6s ease-out both}
.hero-system{animation-delay:.08s}
@keyframes arrive{from{opacity:.65;transform:translateY(7px)}
to{opacity:1;transform:translateY(0)}
}

@media(min-width:1000px){.products-grid>.product:last-child:nth-child(2n){grid-column:1/-1}
}

@media(max-width:1100px){.shell{width:calc(100% - 56px)}
.site-header{gap:16px}
.site-header nav{gap:18px}
.contact-link{font-size:12px}
.hero{gap:46px;padding-top:80px}
.hero-system{padding-left:28px}
.split,.about-strip{gap:46px}
.research-block{gap:38px;padding:34px}
}

@media(max-width:800px){.shell{width:calc(100% - 40px)}
.site-header{flex-wrap:wrap;min-height:0;padding-top:24px;padding-bottom:22px;gap:18px}
.site-header nav{order:3;width:100%;justify-content:space-between;font-size:13px;gap:12px}
.brand{font-size:18px}
.contact-link{font-size:11px;padding:7px 10px}
.hero{grid-template-columns:1fr;gap:48px;padding-top:65px;padding-bottom:62px}
.hero h1{font-size:clamp(41px,8vw,63px)}
.hero-system{border-left:0;padding-left:0}
.system-flow{display:flex;gap:8px;align-items:stretch}
.system-flow>div{flex:1;padding:15px 13px;min-width:0}
.system-flow strong{font-size:14px}
.system-flow p{font-size:11px}
.system-flow span:not(.flow-connector){font-size:10px}
.flow-connector{display:none}
.system-heading{margin-bottom:16px}
.claude-note{margin-top:22px}
.section{padding-top:58px;padding-bottom:58px}
.section-head,.split,.research-block,.about-strip{grid-template-columns:1fr;gap:28px}
.section-head{margin-bottom:30px}
.products-grid{gap:16px}
.product{padding:26px}
.transit-product{padding:28px;grid-template-columns:1fr 165px;gap:24px}
.product-screen img{max-height:300px}
.research-scope{border-left:0;border-top:1px solid var(--line);padding:26px 0 0}
.research-block{padding:28px}
.qa-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
.page-hero{padding-top:65px;padding-bottom:55px}
.lead{font-size:17px}
.site-footer{gap:28px;padding-top:40px}
.site-footer nav{grid-template-columns:1fr}
.worlds>a{padding:16px}
}

@media(max-width:520px){.hero{padding-top:48px}
.hero h1{font-size:43px}
.products-grid,.transit-product,.worlds{grid-template-columns:1fr}
.transit-product{grid-column:auto}
.product-screen{max-width:100%;display:grid;grid-template-columns:135px 1fr;gap:20px;align-items:center}
.product-screen img{max-height:230px}
.product-screen figcaption{font-size:11px;max-width:90px;text-align:left}
.product h3,.product h2{font-size:26px}
.site-footer{grid-template-columns:1fr}
.site-footer nav{grid-template-columns:1fr 1fr;font-size:12px}
.qa-steps{grid-template-columns:1fr}
.install-panel{padding:22px}
.actions{gap:14px}
.button{padding:10px 17px}
.about-strip .text-link+.text-link{display:block;margin-left:0;margin-top:14px}
.system-flow{gap:6px}
.system-flow>div{padding:13px 10px}
.system-flow p{line-height:1.5}
.page-hero h1{font-size:43px}
.source-table{font-size:12px}
th,td{padding:14px 12px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}


.transit-product>.api-roadmap{grid-column:1/-1}
.release-strip{display:flex;flex-wrap:wrap;gap:10px 18px;border-top:1px solid var(--line);padding-top:20px;margin-top:24px;font-size:12px}
.release-strip>span{width:100%;color:var(--muted)}
.release-strip a{color:var(--signal);padding:3px 0}