@charset "UTF-8";

:root{
  --paper:#f2f4f3;
  --paper-2:#e5e8e7;
  --ink:#111315;
  --ink-2:#282c30;
  --muted:#70767a;
  --line:rgba(17,19,21,.17);
  --line-dark:rgba(242,244,243,.2);
  --red:#c7182c;
  --red-dark:#981323;
  --red-hot:#f04a5c;
  --black:#0a0c0e;
  --max:1380px;
  --header:76px;
  --display-leading:1.1;
  --ease:cubic-bezier(.2,.78,.22,1);
  --sans:"SF Pro SC","SF Pro Display","SF Pro Text",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  --display:"SF Pro SC","SF Pro Display",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  --text:"SF Pro SC","SF Pro Text",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  --mono:"SFMono-Regular","SF Mono",ui-monospace,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header);background:var(--paper)}
body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:16px;line-height:1.55;font-synthesis:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{color:inherit}
::selection{background:var(--red);color:#fff}
.page-shell{width:min(calc(100% - 72px),var(--max));margin-inline:auto}
.skip-link{position:fixed;left:10px;top:10px;z-index:9999;padding:10px 16px;background:var(--red-hot);color:var(--black);font-weight:700;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.section-label{margin:0;font:600 10px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.section-label span{color:var(--muted)}
.section-label.light{color:var(--paper)}

/* Navigation */
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header);background:rgba(242,244,243,.91);border-bottom:1px solid var(--line);backdrop-filter:blur(18px) saturate(115%)}
.nav-shell{width:min(calc(100% - 72px),var(--max));height:100%;margin:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.brand{display:inline-flex;align-items:center;width:max-content;gap:9px;color:var(--ink)}
.brand-mark{width:30px;height:30px;color:var(--red);overflow:visible;filter:drop-shadow(0 0 0 transparent)}
.brand:hover .brand-mark{filter:drop-shadow(0 4px 8px rgba(199,24,44,.16))}
.brand-word{font-size:20px;font-weight:670;letter-spacing:.015em;white-space:nowrap}
.brand sup{align-self:flex-start;margin-top:16px;font:600 7px var(--mono)}
.desktop-nav{display:flex;align-items:center;gap:33px}
.desktop-nav a{position:relative;font:500 12px var(--sans);transition:color .2s}
.desktop-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;background:var(--red);transition:right .28s var(--ease)}
.desktop-nav a:hover{color:var(--red-dark)}
.desktop-nav a:hover:after{right:0}
.nav-cta{justify-self:end;display:flex;align-items:center;gap:17px;font:600 11px var(--mono);letter-spacing:.04em;text-transform:uppercase}
.nav-cta i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--paper);font-style:normal;transition:.25s var(--ease)}
.nav-cta:hover i{background:var(--red);transform:rotate(45deg)}
.menu-toggle,.mobile-menu{display:none}

/* Hero */
.hero{position:relative;padding-top:var(--header);min-height:100svh;background:var(--paper);overflow:hidden}
.hero:before{content:"";position:absolute;inset:var(--header) 0 0;pointer-events:none;background-image:linear-gradient(90deg,rgba(17,19,21,.035) 1px,transparent 1px);background-size:calc(100% / 8) 100%;mask-image:linear-gradient(90deg,transparent,black 8%,black 92%,transparent)}
.hero-ignition{position:absolute;z-index:0;top:calc(var(--header) + 8px);left:clamp(20px,2.5vw,40px);width:min(55vw,720px);height:calc(100% - var(--header) - 24px);pointer-events:none;color:var(--red)}
.hero-ignition svg{position:absolute;left:0;top:50%;width:100%;height:100%;transform:translateY(-50%);overflow:visible}
.hero-ignition .flame-outer{fill:rgba(199,24,44,.018);stroke:rgba(199,24,44,.13);stroke-width:1.5;vector-effect:non-scaling-stroke}
.hero-ignition .flame-core{fill:rgba(199,24,44,.025);stroke:rgba(199,24,44,.2);stroke-width:1.35;vector-effect:non-scaling-stroke}
.hero-ignition circle{fill:rgba(199,24,44,.085);stroke:rgba(199,24,44,.25);stroke-width:1.25;vector-effect:non-scaling-stroke}
.hero-ignition p{display:none}
.hero-ignition p span{color:rgba(17,19,21,.58);font-size:7px;letter-spacing:.18em}
.hero-ruler{position:relative;z-index:2;height:38px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 36px;border-bottom:1px solid var(--line);font:500 8px var(--mono);letter-spacing:.13em;color:var(--muted)}
.hero-ruler span:last-child{text-align:right}
.hero-main{position:relative;min-height:calc(100svh - var(--header) - 74px);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(450px,.85fr);gap:74px;align-items:center;padding-block:58px 106px}
.hero-copy{position:relative;z-index:2}
.eyebrow{display:flex;align-items:center;gap:11px;margin:0 0 36px;font:600 9px var(--mono);letter-spacing:.14em;text-transform:uppercase}
.eyebrow i{width:7px;height:7px;background:var(--red);border-radius:50%;box-shadow:0 0 0 5px rgba(199,24,44,.13)}
.hero h1{margin:0;max-width:900px;font-family:var(--display);font-size:clamp(74px,7.25vw,122px);font-weight:650;line-height:var(--display-leading);letter-spacing:-.036em;text-wrap:balance}
.hero h1 span{font-family:inherit;font-weight:650;font-style:normal;color:var(--red);letter-spacing:inherit}
.hero-statement{display:grid;grid-template-columns:minmax(230px,430px) auto;gap:36px;align-items:end;margin-top:48px}
.hero-statement>p{max-width:29em;margin:0;font-family:var(--text);font-size:18px;font-weight:400;line-height:1.58;letter-spacing:.005em;color:#43484c;text-wrap:pretty}
.arrow-link{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:42px;padding:0 0 10px;border-bottom:1px solid var(--ink);font-family:var(--text);font-size:12px;font-weight:600;line-height:1.25;letter-spacing:.025em;white-space:nowrap;transition:color .25s,border-color .25s}
.arrow-link span{font-size:16px;transition:transform .25s}
.arrow-link:hover{color:var(--red-dark);border-color:var(--red)}
.arrow-link:hover span{transform:translate(5px,-5px)}
.hero-workbench{position:relative;z-index:2;align-self:center;justify-self:end;width:min(520px,100%);border:1px solid var(--ink);background:#e1e4e2;box-shadow:12px 14px 0 rgba(17,19,21,.075),0 24px 58px rgba(17,19,21,.09);transform:rotate(.18deg)}
.workbench-top{height:42px;display:grid;grid-template-columns:1fr auto;align-items:center;padding:0 14px;border-bottom:1px solid var(--line);background:var(--ink);color:var(--paper)}
.workbench-top>div{display:none}.traffic{display:none}
.workbench-top p{margin:0;font:500 8px var(--mono);letter-spacing:.14em}
.live-indicator{justify-self:end;font:500 7px var(--mono);letter-spacing:.1em}.live-indicator i{display:inline-block;width:5px;height:5px;margin-right:7px;background:var(--red);animation:livePulse 1.8s ease-in-out infinite}
.scenario-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.scenario-tab{height:45px;border:0;border-right:1px solid var(--line);background:transparent;font:600 9px var(--mono);letter-spacing:.05em;cursor:pointer;transition:.2s}.scenario-tab:last-child{border-right:0}.scenario-tab:hover{background:rgba(199,24,44,.07)}.scenario-tab.active{background:var(--red);color:#fff}
.workbench-canvas{padding:24px}
.demo-context{display:grid;grid-template-columns:95px 1fr;padding-bottom:20px;border-bottom:1px solid var(--line)}
.demo-context span,.demo-output>span{font:600 7px var(--mono);letter-spacing:.11em;color:var(--muted)}
.demo-context p{margin:0;min-height:48px;font-family:var(--text);font-size:15px;line-height:1.5;text-wrap:pretty}
.operation-flow{list-style:none;margin:21px 0;padding:0}
.operation-flow li{position:relative;display:grid;grid-template-columns:30px 1fr 8px;align-items:center;gap:10px;min-height:49px;border-top:1px solid rgba(17,19,21,.1);color:#858179;transition:color .25s,transform .25s}
.operation-flow li:first-child{border-top:0}.operation-flow li>span{font:500 8px var(--mono)}.operation-flow b{display:block;font-size:14px;font-weight:600}.operation-flow small{display:block;font:500 7px var(--mono);line-height:1.35;letter-spacing:.075em}.operation-flow li>i{width:6px;height:6px;border:1px solid currentColor;border-radius:50%}.operation-flow li.active{color:var(--ink);transform:translateX(7px)}.operation-flow li.active>span{color:var(--red)}.operation-flow li.active>i{background:var(--red);border-color:var(--red);box-shadow:0 0 0 4px rgba(199,24,44,.12)}
.demo-output{position:relative;padding:18px 19px;background:var(--ink);color:var(--paper);min-height:113px}.demo-output p{margin:13px 0 17px;min-height:38px;font-size:13px;line-height:1.55;color:#e0e3e1}.output-line{display:flex;gap:4px}.output-line i{height:3px;background:var(--red-hot);width:45%}.output-line i:nth-child(2){width:28%;background:#8f303a}.output-line i:nth-child(3){width:17%;background:#565c61}
.workbench-foot{height:40px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-top:1px solid var(--line);font:500 8px var(--mono);color:#656b6f}
.workbench-foot button{display:flex;align-items:center;gap:7px;border:0;background:none;padding:0;font:inherit;color:var(--ink);cursor:pointer}.workbench-foot button i{width:6px;height:6px;background:var(--red)}.workbench-foot button.paused i{background:var(--muted)}
.hero-marquee{position:absolute;left:0;right:0;bottom:0;height:36px;display:flex;align-items:center;overflow:hidden;border-top:1px solid var(--ink);background:var(--red);color:#fff;font:600 9px var(--mono);letter-spacing:.11em;white-space:nowrap}.hero-marquee div{width:max-content;animation:marquee 34s linear infinite}

/* Manifesto */
.manifesto{position:relative;padding:148px 0;background:var(--ink);color:var(--paper);overflow:hidden}
.manifesto:after{content:"燧元";position:absolute;right:-.04em;bottom:-.32em;color:rgba(242,244,243,.035);font-size:35vw;font-weight:700;line-height:1;letter-spacing:-.12em;pointer-events:none}
.manifesto-grid{position:relative;z-index:1;display:grid;grid-template-columns:.55fr 2.45fr;gap:60px}
.manifesto-copy h2,.section-heading h2,.systems-intro h2,.individual h2,.models-head h2,.method-head h2,.about h2,.contact h2{margin:0;font-family:var(--display);font-size:clamp(54px,6.25vw,100px);font-weight:650;line-height:var(--display-leading);letter-spacing:-.032em;text-wrap:balance}
.manifesto-copy h2 em{font-family:inherit;font-weight:650;font-style:normal;color:var(--red-hot)}
.keep-line{display:inline-block;white-space:nowrap}.mobile-break{display:none}
.manifesto-note{display:grid;grid-template-columns:1fr 1fr;gap:70px;max-width:900px;margin:65px 0 0 auto;padding-top:25px;border-top:1px solid var(--line-dark)}
.manifesto-note p{margin:0;color:#a8ada9;font-family:var(--text);font-size:16px;line-height:1.72;letter-spacing:.004em;text-wrap:pretty}

/* Enterprise */
.enterprise{padding:145px 0;background:var(--paper)}
.section-heading{display:grid;grid-template-columns:.5fr 1.65fr .7fr;gap:55px;align-items:end;margin-bottom:92px}
.section-heading>p:last-child{margin:0;color:#5e6468;font-family:var(--text);font-size:15px;line-height:1.68;letter-spacing:.004em;text-wrap:pretty}
.capability-list{border-top:1px solid var(--ink)}
.capability-row{position:relative;display:grid;grid-template-columns:70px .9fr 1fr 40px;gap:35px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line);overflow:hidden;transition:padding .35s var(--ease),color .25s}
.capability-row:before{content:"";position:absolute;inset:0;background:var(--red);transform:translateY(101%);transition:transform .38s var(--ease)}
.capability-row>*{position:relative;z-index:1}.capability-row:hover:before{transform:none}.capability-row:hover{padding-inline:18px;color:#fff}.capability-row:hover .cap-desc,.capability-row:hover .cap-title p{color:rgba(255,255,255,.75)}
.cap-index{font:500 9px var(--mono)}.cap-title p{margin:0 0 8px;color:var(--red-dark);font:600 8px var(--mono);letter-spacing:.1em}.cap-title h3{margin:0;font-family:var(--display);font-size:clamp(25px,2.3vw,37px);font-weight:600;line-height:1.2;letter-spacing:-.022em;text-wrap:balance}.cap-desc{margin:0;color:#676d71;font-family:var(--text);font-size:15px;line-height:1.62;text-wrap:pretty}.cap-arrow{justify-self:end;font-size:20px}

/* Systems */
.systems{padding:145px 0;background:var(--black);color:var(--paper);overflow:hidden}
.systems-intro{display:grid;grid-template-columns:.55fr 2.45fr;gap:60px;margin-bottom:84px}
.systems-intro>div{display:block}.systems-intro>div>p{max-width:720px;margin:42px 0 0;color:#b5bab7;font-family:var(--text);font-size:18px;line-height:1.72;letter-spacing:.003em;text-wrap:pretty}.systems-intro h2{font-size:clamp(52px,5.7vw,90px)}
.system-stage{display:grid;grid-template-columns:1.25fr .75fr;gap:15px}
.system-feature,.system-card{border:1px solid var(--line-dark);background:#14171a;transition:transform .38s var(--ease),border-color .3s}.system-feature:hover,.system-card:hover{transform:translateY(-6px);border-color:rgba(240,74,92,.55)}
.feature-meta{height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid var(--line-dark);font:500 7px var(--mono);letter-spacing:.1em;color:#8b9195}
.feature-screen{height:510px;margin:14px;border:1px solid rgba(242,244,243,.16);background:#e4e7e5;color:var(--ink);overflow:hidden}
.knowledge-screen{display:grid;grid-template-columns:145px 1fr}.knowledge-screen aside{display:flex;flex-direction:column;padding:22px 14px;border-right:1px solid var(--line);background:#d3d7d5}.knowledge-screen aside b{margin-bottom:45px;font-size:17px}.knowledge-screen aside span{margin-bottom:6px;padding:9px;font-size:9px}.knowledge-screen aside .selected{background:var(--ink);color:var(--paper)}
.screen-main{padding:31px}.screen-query{display:grid;grid-template-columns:30px 1fr 30px;align-items:center;padding:16px;border:1px solid var(--ink)}.screen-query>span{font:600 11px var(--mono);color:var(--red)}.screen-query p{margin:0;font-family:var(--text);font-size:15px;line-height:1.5;text-wrap:pretty}.screen-query i{font-style:normal;text-align:right}
.screen-answer{margin:28px 0 0;padding:25px;background:#f7f8f6}.screen-answer small{font:600 7px var(--mono);letter-spacing:.1em;color:var(--red-dark)}.screen-answer h4{margin:13px 0 22px;font-family:var(--display);font-size:26px;font-weight:600;line-height:1.22;letter-spacing:-.018em;text-wrap:balance}.screen-answer p{display:flex;align-items:center;gap:10px;margin:9px 0;font-size:10px}.screen-answer p i{width:5px;height:5px;background:var(--red);border-radius:50%}.screen-sources{display:flex;gap:8px;margin-top:20px}.screen-sources span{padding:7px 10px;border:1px solid var(--line);font:500 7px var(--mono)}
.feature-caption{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:12px 20px 25px}.feature-caption h3{margin:0;font-family:var(--display);font-size:24px;font-weight:600;line-height:1.25;letter-spacing:-.02em;text-wrap:balance}.feature-caption p{margin:0;color:#858b8f;font-family:var(--text);font-size:13px;line-height:1.55;text-wrap:pretty}
.system-pair{display:grid;grid-template-rows:1fr 1fr;gap:15px}.system-card{min-height:0;display:flex;flex-direction:column}.system-card .feature-caption{margin-top:auto;grid-template-columns:1fr;padding-top:30px}
.mini-flow{display:flex;align-items:center;justify-content:center;gap:9px;min-height:180px;margin:14px;background:#1b1e21}.mini-flow span{display:grid;place-items:center;width:67px;height:44px;border:1px solid #484e53;font:500 7px var(--mono);color:#858b8f}.mini-flow span.active{border-color:var(--red-hot);background:var(--red-hot);color:var(--ink)}.mini-flow i{width:22px;height:1px;background:#62686d}
.personal-map{position:relative;min-height:180px;margin:14px;background:var(--red);overflow:hidden}.personal-map:before,.personal-map:after{content:"";position:absolute;inset:50% auto auto 50%;width:230px;height:230px;border:1px solid rgba(255,255,255,.35);border-radius:50%;transform:translate(-50%,-50%)}.personal-map:after{width:130px;height:130px}.personal-map b{position:absolute;left:50%;top:50%;z-index:2;transform:translate(-50%,-50%);font:700 22px var(--mono);color:#fff}.personal-map span{position:absolute;z-index:2;font:600 7px var(--mono);color:#fff}.personal-map span:before{content:"";display:inline-block;width:5px;height:5px;margin-right:6px;background:var(--red-hot)}.p1{left:20%;top:20%}.p2{right:16%;top:28%}.p3{left:17%;bottom:22%}.p4{right:20%;bottom:18%}
.demo-disclaimer{margin-top:21px;color:#686e72;font:500 7px var(--mono);letter-spacing:.08em}

/* Individuals */
.individual{position:relative;padding:158px 0;background:var(--red);color:#fff;overflow:hidden}
.individual .section-label{color:#fff}.individual .section-label span{color:rgba(255,255,255,.78)}
.individual-word{position:absolute;left:-.05em;bottom:-.34em;color:rgba(255,255,255,.09);font-size:24vw;font-weight:700;line-height:1;letter-spacing:-.1em;white-space:nowrap}
.individual-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:110px}.individual h2{margin-top:38px}.individual-body{padding-top:68px}.large-copy{margin:0 0 55px;font-family:var(--text);font-size:21px;line-height:1.58;letter-spacing:.003em;text-wrap:pretty}.individual-body ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.5)}.individual-body li{display:grid;grid-template-columns:40px 1fr;gap:15px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.34)}.individual-body li>span{font:600 8px var(--mono)}.individual-body h3{margin:0 0 5px;font-size:19px;font-weight:600;letter-spacing:-.012em}.individual-body li p{margin:0;color:rgba(255,255,255,.72);font-family:var(--text);font-size:13px;line-height:1.55;text-wrap:pretty}.dark-link{display:flex;justify-content:space-between;align-items:center;margin-top:34px;padding:15px 17px;background:var(--ink);font:600 9px var(--mono);letter-spacing:.08em;text-transform:uppercase}.dark-link span{font-size:17px;transition:transform .25s}.dark-link:hover span{transform:translate(5px,-5px)}

/* Models */
.model-agnostic{padding:145px 0 110px;background:var(--paper-2);overflow:hidden}.models-head{display:grid;grid-template-columns:.55fr 1.55fr .7fr;gap:55px;align-items:end}.models-head h2{font-size:clamp(52px,5.7vw,90px)}.models-head>p:last-child{margin:0;color:#5d6367;font-family:var(--text);font-size:15px;line-height:1.62;text-wrap:pretty}.model-rail{position:relative;margin-top:90px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);overflow:hidden;mask-image:linear-gradient(90deg,transparent 0,black 4%,black 96%,transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,black 4%,black 96%,transparent 100%)}.model-rail>div{display:flex;width:max-content;animation:models 36s linear infinite}.model-rail span{display:flex;align-items:center;height:104px;padding:0 47px;border-right:1px solid var(--line);font-family:var(--display);font-size:27px;font-weight:600;letter-spacing:-.018em;white-space:nowrap}.model-rail span:nth-child(3n+1){color:var(--red-dark)}.model-note{margin-top:20px;color:#73797d;font:500 7px var(--mono);letter-spacing:.06em}

/* Method */
.method{padding:145px 0;background:var(--paper)}.method-head{display:grid;grid-template-columns:.55fr 2.45fr;gap:60px;margin-bottom:90px}.method-head h2{font-size:clamp(52px,5.7vw,90px)}.method-list{list-style:none;margin-block:0;padding:0;border-top:1px solid var(--ink)}.method-list li{position:relative;display:grid;grid-template-columns:80px .75fr 1fr;gap:40px;align-items:center;padding:35px 0;border-bottom:1px solid var(--line);overflow:hidden}.method-list li:before{content:"";position:absolute;inset:0;background:#ead7da;transform:scaleX(0);transform-origin:right;transition:transform .42s var(--ease)}.method-list li:hover:before{transform:scaleX(1);transform-origin:left}.method-list li>*{position:relative;z-index:1}.method-no,.method-list small{font:600 8px var(--mono);letter-spacing:.1em}.method-list small{color:var(--red-dark)}.method-list h3{margin:6px 0 0;font-size:28px;font-weight:600;letter-spacing:-.02em}.method-list>li>p{margin:0;color:#62686c;font-family:var(--text);font-size:15px;line-height:1.62;text-wrap:pretty}

/* About */
.about{padding:145px 0;background:var(--ink);color:var(--paper)}.about-grid{display:grid;grid-template-columns:.55fr 2.45fr;gap:60px}.about-copy>p{max-width:780px;margin:48px 0 70px;color:#a8ada9;font-family:var(--text);font-size:18px;line-height:1.68;letter-spacing:.003em;text-wrap:pretty}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}.principle-grid>div{padding:31px 31px 35px 0;border-right:1px solid var(--line-dark)}.principle-grid>div+div{padding-left:31px}.principle-grid>div:last-child{border-right:0}.principle-grid span{font:600 8px var(--mono);color:var(--red-hot)}.principle-grid h3{margin:24px 0 9px;font-size:20px;font-weight:600;letter-spacing:-.012em}.principle-grid p{margin:0;color:#858b8f;font-family:var(--text);font-size:13px;line-height:1.55;text-wrap:pretty}

/* Contact */
.contact{position:relative;padding:180px 0 140px;background:var(--ink);color:var(--paper);overflow:hidden}.contact-banner{position:absolute;left:-.02em;right:0;top:-.27em;color:rgba(242,244,243,.055);font-size:12vw;font-weight:700;line-height:1;letter-spacing:-.055em;white-space:nowrap}.contact-grid{position:relative;display:grid;grid-template-columns:.86fr 1.14fr;gap:88px;align-items:start}.contact h2{margin-top:35px;font-size:clamp(50px,5.25vw,82px)}.contact-copy>p:not(.section-label){max-width:590px;margin:38px 0;color:#d0d4d2;font-family:var(--text);font-size:17px;line-height:1.72;text-wrap:pretty}.contact-tags{display:flex;gap:10px;margin-top:48px}.contact-tags span{padding:9px 13px;border:1px solid rgba(242,244,243,.38);border-radius:999px;font-family:var(--text);font-size:13px;font-weight:550;line-height:1.2}
.contact-form{padding:42px;border:1px solid rgba(242,244,243,.3);background:rgba(199,24,44,.08)}.form-intro{margin-bottom:34px;padding-bottom:28px;border-bottom:1px solid rgba(242,244,243,.2)}.form-intro p{margin:0 0 9px;color:var(--red-hot);font-family:var(--text);font-size:14px;font-weight:650}.form-intro strong{display:block;font-family:var(--display);font-size:24px;font-weight:620;line-height:1.35;letter-spacing:-.015em}.form-intro>span{display:block;margin-top:10px;color:#bfc4c1;font-family:var(--text);font-size:14px;line-height:1.65}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-form label{display:block;margin-bottom:26px}.field-label{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#f2f4f3;font-family:var(--text);font-size:15px;font-weight:600;line-height:1.45}.field-label em{color:#aeb4b0;font-size:12px;font-weight:500;font-style:normal}.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:10px;padding:15px 0;border:0;border-bottom:1px solid rgba(242,244,243,.42);border-radius:0;outline:none;background:transparent;color:var(--paper);font-family:var(--text);font-size:16px;font-weight:400;line-height:1.5}.contact-form select{min-height:55px}.contact-form textarea{min-height:126px;resize:vertical}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--red-hot);box-shadow:0 2px 0 var(--red-hot)}.contact-form ::placeholder{color:#a9afac;opacity:1}.contact-form select option{color:var(--ink)}.field-hint{display:block;margin-top:8px;color:#aeb4b0;font-family:var(--text);font-size:12px;line-height:1.55}.consent{display:flex!important;gap:13px;align-items:flex-start;min-height:44px;margin-bottom:18px!important;color:#c6cbc8;font-family:var(--text);font-size:14px;line-height:1.62;cursor:pointer}.consent input{flex:0 0 auto;width:19px!important;height:19px;margin:2px 0 0!important;accent-color:var(--red-hot)}.consent a{text-decoration:underline;text-underline-offset:3px}.honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.form-submit{width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding:0 21px;border:1px solid var(--red-hot);background:var(--red-hot);color:var(--ink);font-family:var(--text);font-size:16px;font-weight:700;line-height:1.2;letter-spacing:.01em;cursor:pointer;transition:.25s}.form-submit span:last-child{font-size:21px}.form-submit:hover{background:transparent;color:var(--red-hot)}.form-submit:focus-visible{outline:3px solid #fff;outline-offset:3px}.form-submit:disabled{opacity:.65;cursor:wait}.form-status{min-height:25px;margin:14px 0 0;font-family:var(--text);font-size:14px;font-weight:550;line-height:1.55}.form-status.success{color:#ff7b89}.form-status.error{color:#ffb49f}

/* Footer */
.site-footer{padding:72px 0 28px;background:var(--paper);color:var(--ink)}.footer-top{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--ink)}.footer-top>p{margin:0;text-align:center;font:500 9px var(--mono);letter-spacing:.06em;text-transform:uppercase}.back-top{justify-self:end;font:600 9px var(--mono);text-transform:uppercase}.footer-main{display:grid;grid-template-columns:.45fr .45fr .45fr 1.65fr;gap:50px;padding:65px 0}.footer-main>div:not(.footer-manifesto){display:flex;flex-direction:column;gap:8px}.footer-main strong{margin-bottom:10px;font:600 8px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--red-dark)}.footer-main a{font-size:12px;color:#5e6468}.footer-main a:hover{color:var(--red-dark)}.footer-manifesto{justify-self:end;font-family:var(--display);font-size:clamp(42px,4.7vw,72px);font-weight:650;line-height:var(--display-leading);letter-spacing:-.032em;text-align:right}.footer-manifesto em{font-family:inherit;font-weight:650;font-style:normal;color:var(--red)}.footer-bottom{display:flex;justify-content:space-between;padding-top:18px;border-top:1px solid var(--line);font:500 7px var(--mono);letter-spacing:.08em}

/* Desktop Chinese readability */
@media(min-width:841px){
  .desktop-nav a{font-size:16px;font-weight:580}.nav-cta{font-family:var(--text);font-size:15px;letter-spacing:.005em;text-transform:none}.arrow-link{font-size:15px}.scenario-tab{font-family:var(--text);font-size:13px;letter-spacing:.01em}.demo-context p{font-size:16px}.operation-flow b{font-size:15px}.cap-desc,.section-heading>p:last-child,.models-head>p:last-child,.method-list>li>p{font-size:16px}.feature-caption p,.individual-body li p,.principle-grid p{font-size:15px;line-height:1.65}.dark-link{font-family:var(--text);font-size:15px;letter-spacing:.01em;text-transform:none}.demo-disclaimer,.model-note{font-family:var(--text);font-size:12px;line-height:1.6;letter-spacing:.02em}.footer-main a{font-size:14px}.footer-bottom{font-family:var(--text);font-size:12px;letter-spacing:.02em}
}

/* Legal pages and 404 */
.legal-header .nav-shell{grid-template-columns:1fr auto}.legal-header .nav-cta{justify-self:end}
.legal-page{min-height:100svh;padding:calc(var(--header) + 80px) 0 100px;background:var(--paper);color:var(--ink)}
.legal-content{max-width:860px}.section-kicker{margin:0 0 30px;font:600 9px var(--mono);letter-spacing:.14em;color:var(--red-dark)}
.legal-content h1{max-width:780px;margin:0 0 42px;font-family:var(--display);font-size:clamp(48px,6.4vw,84px);font-weight:650;line-height:1.02;letter-spacing:-.032em;text-wrap:balance}
.legal-content h2{margin:52px 0 13px;padding-top:20px;border-top:1px solid var(--line);font-size:22px;font-weight:600;line-height:1.3;letter-spacing:-.014em;text-wrap:balance}
.legal-content p,.legal-content li{color:#51575b;font-family:var(--text);font-size:16px;line-height:1.75;letter-spacing:.003em;text-wrap:pretty}.legal-content ul{padding-left:22px}
.legal-back,.button-primary{display:inline-flex;align-items:center;min-height:48px;margin-top:38px;padding:0 18px;border:1px solid var(--red);background:var(--red);color:#fff;font:600 9px var(--mono);letter-spacing:.08em;text-transform:uppercase;transition:.25s}
.legal-back:hover,.button-primary:hover{background:transparent;color:var(--red-dark)}
.section-dark .legal-page,.legal-page.section-dark{background:var(--ink);color:var(--paper)}.section-dark .legal-content p{color:#aeb3b5}

/* Reveal and motion */
.reveal{opacity:1;transform:none;transition:transform .55s var(--ease)}
.js-motion .reveal:not(.is-visible){transform:translateY(9px)}.js-motion .reveal.is-visible{transform:none}
@keyframes livePulse{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes models{to{transform:translateX(-50%)}}

/* Responsive */
@media(max-width:1150px){
  .hero-main{grid-template-columns:1fr;gap:62px;padding-top:75px}.hero-copy{max-width:950px}.hero-workbench{width:min(720px,88%);justify-self:end;transform:none}.hero{min-height:auto}.hero-ignition{left:clamp(18px,3vw,32px);width:72vw;opacity:.62}.section-heading,.models-head{grid-template-columns:.45fr 1.55fr}.section-heading>p:last-child,.models-head>p:last-child{grid-column:2}.system-stage{grid-template-columns:1fr}.system-pair{grid-template-columns:1fr 1fr;grid-template-rows:auto}.system-card{min-height:360px}.contact-grid{gap:55px}
}

@media(min-width:841px) and (max-width:1050px){
  .nav-shell{width:min(calc(100% - 40px),var(--max));grid-template-columns:auto 1fr auto;gap:24px}
  .desktop-nav{justify-content:center;gap:22px}
  .desktop-nav a{font-size:15px}
  .nav-cta{gap:10px;font-size:14px}
}

@media(min-width:841px) and (max-width:1080px){
  .systems-intro>div>p{max-width:640px;margin-top:36px;font-size:17px}
}

@media(max-width:840px){
  :root{--header:66px}.brand-word{font-size:19px;font-weight:670}.page-shell,.nav-shell{width:min(calc(100% - 36px),var(--max))}.nav-shell{grid-template-columns:1fr auto}.desktop-nav,.nav-cta{display:none}.menu-toggle{display:grid;width:44px;height:44px;padding:0;border:0;background:transparent;align-content:center;justify-content:end;gap:7px}.menu-toggle span{display:block;width:25px;height:1px;background:var(--ink);transition:.25s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.mobile-menu{position:fixed;display:flex;top:var(--header);left:0;right:0;height:calc(100svh - var(--header));padding:28px 20px;background:var(--paper);flex-direction:column;transform:translateX(100%);transition:transform .35s var(--ease);overflow:auto}.mobile-menu.open{transform:none}.mobile-menu a{display:flex;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);font-size:25px;letter-spacing:-.04em}.mobile-menu b{font:600 8px var(--mono);color:var(--red-dark)}
  .hero-ruler{padding-inline:18px}.hero-ruler span:nth-child(2){display:none}.hero-ruler{grid-template-columns:1fr 1fr}.hero-ignition{top:calc(var(--header) + 12px);left:18px;width:calc(100vw - 36px);height:55%;opacity:.52}.hero-main{padding:60px 0 90px}.hero h1{font-size:clamp(69px,12vw,100px)}.hero-statement{grid-template-columns:1fr;align-items:start}.arrow-link{width:max-content}.hero-workbench{width:100%;justify-self:auto;box-shadow:13px 15px 0 rgba(17,19,21,.08)}
  .manifesto-grid,.systems-intro,.individual-grid,.method-head,.about-grid{grid-template-columns:1fr;gap:32px}.manifesto-note{margin-left:0}.section-heading,.models-head{grid-template-columns:1fr;gap:27px}.section-heading>p:last-child,.models-head>p:last-child{grid-column:auto;max-width:650px}.systems-intro>div>p{max-width:38em;margin-top:30px}.system-pair{grid-template-columns:1fr}.system-card{min-height:330px}.individual-grid{gap:45px}.individual-body{padding-top:0}.model-rail{margin-top:65px}.method-list li{grid-template-columns:60px 1fr}.method-list>li>p{grid-column:2}.principle-grid{grid-template-columns:1fr}.principle-grid>div,.principle-grid>div+div{padding:27px 0;border-right:0;border-bottom:1px solid var(--line-dark)}.principle-grid>div:last-child{border-bottom:0}.contact{padding:130px 0 100px}.contact-grid{grid-template-columns:1fr;gap:60px}.footer-main{grid-template-columns:repeat(3,1fr)}.footer-manifesto{grid-column:1/4;justify-self:start;text-align:left;margin-top:35px}
}

@media(max-width:560px){
  .page-shell,.nav-shell{width:min(calc(100% - 32px),var(--max))}.hero-ruler{font-size:8px}.hero-main{padding:49px 0 77px}.eyebrow{font-size:8px;line-height:1.55;margin-bottom:27px;letter-spacing:.1em}.hero h1{font-size:clamp(52px,14.8vw,60px);font-weight:650;line-height:var(--display-leading);letter-spacing:-.032em}.hero-statement{margin-top:35px;gap:28px}.hero-statement>p{font-size:16px;line-height:1.65}.arrow-link{width:100%;min-height:44px;align-items:center;font-size:10px}.hero-workbench{transform:none;box-shadow:8px 9px 0 rgba(17,19,21,.08)}.workbench-top p{font-size:8px}.live-indicator{font-size:7.5px}.scenario-tab{height:44px;font-size:9px}.workbench-canvas{padding:15px}.demo-context{grid-template-columns:72px 1fr}.demo-context span,.demo-output>span{font-size:8px}.demo-context p{font-size:14px}.operation-flow li{min-height:47px}.operation-flow li>span{font-size:8px}.operation-flow b{font-size:13px}.operation-flow small{font-size:7px}.workbench-foot>span{display:none}.workbench-foot{height:42px;justify-content:flex-end}.workbench-foot button{min-height:40px;font-size:8px}.hero-marquee{height:31px;font-size:8px}
  .manifesto-copy h2,.section-heading h2,.individual h2,.models-head h2,.method-head h2,.about h2,.contact h2{font-size:clamp(40px,11.2vw,46px);line-height:var(--display-leading);letter-spacing:-.026em}.keep-line{white-space:normal}.mobile-break{display:inline}.systems-intro h2{font-size:clamp(28px,9.2vw,36px);line-height:var(--display-leading);letter-spacing:-.022em}.systems-intro .keep-line{white-space:nowrap}.systems-intro .mobile-break{display:none}.manifesto-note{grid-template-columns:1fr;gap:25px;margin-top:42px}.manifesto-note p{font-size:15px}.section-heading{margin-bottom:53px}.capability-row{grid-template-columns:34px 1fr 24px;gap:12px;padding:26px 0}.cap-desc{grid-column:2}.cap-arrow{grid-column:3;grid-row:1}.cap-title h3{font-size:23px}.capability-row:hover{padding-inline:8px}.systems-intro>div>p{margin-top:25px;font-size:15px;line-height:1.72}
  .feature-screen{height:410px;margin:9px}.knowledge-screen{grid-template-columns:1fr}.knowledge-screen aside{display:none}.screen-main{padding:17px}.screen-query{grid-template-columns:23px 1fr 20px;padding:13px}.screen-query p{font-size:13px}.screen-answer{margin-top:17px;padding:19px}.screen-answer h4{font-size:22px}.screen-sources{flex-wrap:wrap}.feature-caption{grid-template-columns:1fr;padding:12px 14px 21px}.system-card{min-height:310px}.mini-flow{margin:9px}.mini-flow span{width:60px}.personal-map{margin:9px}.demo-disclaimer{line-height:1.6}
  .individual-body .large-copy{font-size:18px}.contact{padding:105px 0 80px}.contact-form{padding:23px 17px}.form-row{grid-template-columns:1fr}.contact-tags{flex-wrap:wrap}.footer-top{grid-template-columns:1fr auto}.footer-top>p{display:none}.footer-main{grid-template-columns:1fr 1fr;gap:35px}.footer-main>div:nth-child(3){grid-column:1/3}.footer-manifesto{grid-column:1/3;font-size:50px}.footer-bottom{gap:20px;flex-direction:column}.model-rail span{height:82px;padding-inline:30px;font-size:23px}.method-list li{gap:12px}.method-list h3{font-size:23px}.method-list>li>p{font-size:13px}.about-copy>p{font-size:16px;margin-bottom:50px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}
}