:root{--paper:#f1f0e8;--ink:#242720;--muted:#62665b;--line:#d4d5ca;--acid:#d6fb77;--dark:#242921;--mono:'Courier New',monospace;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #658724;outline-offset:5px}.wrap{width:min(1280px,calc(100% - 112px));margin:auto}.header{height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{display:inline-flex;align-items:center;font-size:27px;font-weight:800;letter-spacing:-1.3px}.mark{background:var(--ink);color:var(--paper);width:36px;height:36px;margin-right:12px;position:relative;font-size:30px;text-align:center;line-height:31px}.mark span{position:absolute;top:-4px;right:-2px;font-size:22px;background:var(--paper);color:var(--ink);line-height:18px}.wordmark-dot{color:#6b7d4a}nav{display:flex;align-items:center;gap:32px;font-size:13px}nav a:hover,.text-link:hover,.hero-bottom a:hover,.footer a:hover{text-decoration:underline;text-underline-offset:5px}.nav-cta{border:1px solid #9ba08f;padding:13px 16px}.nav-cta span{margin-left:20px}.hero{padding-top:33px}.hero-top,.hero-bottom,.section-label{display:flex;justify-content:space-between;align-items:center}.eyebrow,.edition,.section-label,.tiny-label,.machine,.principle-strip,.badge,.section-footnote,.card-top,.roadmap-number,.roadmap-state,.open-question>span{font-family:var(--mono)}.eyebrow,.edition,.section-label{font-size:11px;letter-spacing:1px}.status-dot{display:inline-block;width:7px;height:7px;background:#6b8740;border-radius:50%;margin-right:7px}.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;padding:65px 0 60px}h1{font-size:clamp(68px,7.5vw,108px);font-weight:500;line-height:.98;letter-spacing:-7px;margin:0 0 30px}.highlight{position:relative;z-index:0}.highlight:after{content:'';position:absolute;left:-5px;right:-8px;bottom:1px;height:22px;background:var(--acid);z-index:-1;transform:rotate(-1deg)}.hero-intro{font-size:24px;line-height:1.3;letter-spacing:-.6px;margin:0 0 17px}.hero-description{max-width:420px;line-height:1.7;font-size:15px;color:var(--muted);margin:0 0 28px}.button{display:inline-flex;gap:27px;align-items:center;padding:17px 21px;background:var(--ink);color:var(--paper);font-size:13px;transition:background .2s}.button:hover{background:#455037}.button span{font-size:20px}.hero-link{display:inline-block;margin:22px 0 0 24px;font-size:12px}.machine{border:1px solid #aeb5a1;background:#e6e9dd;transform:rotate(1deg);box-shadow:9px 9px 0 #dedfd4;font-size:10px}.machine-top,.machine-bottom{display:flex;justify-content:space-between;align-items:center;padding:17px 18px;border-bottom:1px solid #bec5b2;font-size:9px;letter-spacing:.4px}.machine-top .status-dot{width:6px;height:6px}.model-box{margin:28px 58px 0;background:var(--paper);border:1px solid #abb69a;display:flex;align-items:center;flex-direction:column;gap:10px;padding:19px 9px}.tiny-label{font-size:8px;letter-spacing:1px;color:var(--muted)}.model-box strong{font-family:var(--sans);font-size:22px;font-weight:500;letter-spacing:-.6px}.model-box>span:last-child{font-size:9px;color:var(--muted)}.connector{text-align:center;height:65px;display:flex;align-items:center;justify-content:center;position:relative}.connector:before{content:'';width:1px;background:#9ba78b;position:absolute;top:0;bottom:0}.connector span{position:relative;background:#e6e9dd;padding:7px;color:#69715f;font-size:9px}.os-boundary{border:1px dashed #84926f;padding:16px;margin:0 18px 20px}.boundary-label{display:flex;justify-content:space-between;font-size:9px;margin-bottom:18px;color:#556348}.tool-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.tool-row>span{padding:16px 3px;background:var(--ink);color:var(--acid);text-align:center;font-size:24px;letter-spacing:-1px}.tool-row small{display:block;color:#dce0d3;font-size:8px;letter-spacing:0;margin-top:9px}.seat-box{display:flex;gap:12px;align-items:center;padding:20px 0;border-bottom:1px solid #bfc8b1}.seat-icon{font-size:28px;color:#687956}.seat-box strong{display:block;font-size:11px;font-weight:normal}.seat-box div>span{display:block;font-size:9px;color:#6c7561;margin-top:6px}.seat-cross{margin-left:auto;font-size:20px}.os-services{display:grid;grid-template-columns:1fr 1fr;gap:13px 6px;padding:17px 0 2px;font-size:9px;color:#59654d}.os-services span:before{content:'+';margin-right:6px;color:#768b59}.machine-bottom{border-top:1px solid #bec5b2;border-bottom:0;color:#57614c;font-size:8px}.machine-bottom>span:last-child{font-size:18px}.hero-bottom{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding:22px 0 30px}.principle-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.principle-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);font-size:11px}.principle-strip span{padding:25px 15px;border-right:1px solid var(--line);text-align:center}.principle-strip span:first-child{border-left:1px solid var(--line)}.section{padding-top:85px;padding-bottom:85px}.section-label{color:var(--muted);padding-bottom:43px}.split{display:grid;grid-template-columns:1fr 1fr;gap:90px}h2{font-size:clamp(34px,3.6vw,52px);line-height:1.08;letter-spacing:-2.4px;font-weight:500;margin:0}p{line-height:1.65}.prose p{font-size:15px;color:var(--muted);margin:0 0 19px}.prose .lead{font-size:21px;line-height:1.5;color:var(--ink);letter-spacing:-.5px}.thesis blockquote{font-size:clamp(32px,4.5vw,64px);font-weight:500;letter-spacing:-2.7px;line-height:1.2;margin:65px 0 0;border-left:3px solid #a8ba81;padding:3px 0 3px 35px}.thesis blockquote span{color:#79816e}.dark-section{background:var(--dark);color:var(--paper)}.dark-section .section-label{color:#abb39f}.section-heading{display:flex;justify-content:space-between;gap:45px;align-items:end;margin-bottom:45px}.section-heading>p{font-size:14px;color:var(--muted);margin:0 0 3px;max-width:350px}.dark-section .section-heading>p{color:#b5bdab}.primitive-tabs{display:grid;grid-template-columns:repeat(4,1fr)}.primitive-tabs button{text-align:left;position:relative;cursor:pointer;border:1px solid #59604f;border-right:0;background:transparent;color:var(--paper);padding:20px 25px;display:grid;grid-template-columns:1fr auto}.primitive-tabs button:last-child{border-right:1px solid #59604f}.primitive-tabs button>span:first-child{font:10px var(--mono);grid-column:1/-1;margin-bottom:12px}.primitive-tabs strong{font:40px var(--mono);letter-spacing:-2px}.primitive-tabs small{grid-row:3;font:11px var(--mono);margin-top:8px}.primitive-tabs .tab-arrow{align-self:center;font-size:23px}.primitive-tabs button[aria-selected=true]{background:var(--acid);color:var(--ink);border-color:var(--acid)}.primitive-tabs button:hover:not([aria-selected=true]){background:#333a2c}.primitive-panel{display:grid;grid-template-columns:1fr 1fr;gap:65px;border:1px solid #59604f;padding:45px;min-height:365px}.accent{color:var(--acid)}h3{font-weight:500;letter-spacing:-.8px;font-size:25px;margin:15px 0}.primitive-panel h3{font-size:34px;line-height:1.15;margin:18px 0}.primitive-panel p{font-size:13px;color:#c3cbbb;max-width:420px}.primitive-panel .tool-boundary{font-size:11px;color:#929f83;margin-bottom:0}.terminal{align-self:center;background:#1b2019;border:1px solid #4b5540;font-family:var(--mono);min-width:0}.terminal-bar{padding:14px;border-bottom:1px solid #394131;display:flex;justify-content:space-between;font-size:8px;color:#9da98f}.terminal-dots{color:#5a674c;letter-spacing:3px}.terminal pre{font:12px/2.5 var(--mono);color:var(--acid);padding:15px 23px;white-space:pre-wrap;overflow-wrap:anywhere;min-height:160px}.terminal-footer{font-size:9px;color:#89987b;padding:15px;border-top:1px solid #394131;display:flex;align-items:center;line-height:1.5}.terminal-footer .status-dot{flex-shrink:0;background:var(--acid);width:5px;height:5px}.seat-note{display:flex;gap:16px;margin-top:22px;max-width:760px;color:#b1bba5;font-size:13px}.seat-note>span{font-size:25px;color:var(--acid)}.seat-note p{margin:0}.seat-note strong{color:var(--paper);font-weight:400}.responsibilities{margin-top:66px}.responsibilities h3{font-size:28px;line-height:1.3;margin-bottom:28px}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{font:10px var(--mono);text-transform:uppercase;color:#aab79b;padding:16px 0;border-bottom:1px solid #637057}td{padding:20px 0;border-bottom:1px solid #424c38}td:nth-child(2){color:#b2bea4}.badge{font-size:10px;white-space:nowrap;color:var(--acid)}.badge:before{content:'●';font-size:6px;margin-right:7px;vertical-align:middle}.badge.muted{color:#aab39e}.runtime-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.runtime-card{padding:32px;border:1px solid #c1c6b5;background:#eceee3}.card-top{display:flex;align-items:center;justify-content:space-between}.runtime-symbol{font-size:24px;color:#77895b}.runtime-card h3{font-size:30px;margin-top:24px}.runtime-card>p{font-size:14px;color:var(--muted);max-width:450px;min-height:90px}code{font: .92em var(--mono)}dl{margin:25px 0 0}dl div{display:grid;grid-template-columns:110px 1fr;border-top:1px solid var(--line);padding:14px 0;font-size:12px;gap:10px}dt{color:var(--muted)}dd{margin:0}.section-footnote{color:var(--muted);font-size:11px;line-height:1.8;margin:22px 0 0}.safety-section{background:#e5e8dc;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.change-flow{display:grid;grid-template-columns:repeat(3,1fr);margin-top:42px;border-top:1px solid #b9c1ac;border-bottom:1px solid #b9c1ac}.change-flow>div{padding:25px 30px 24px 0}.change-flow>div+div{border-left:1px solid #b9c1ac;padding-left:30px}.change-flow span{font:10px var(--mono);color:#60714b}.change-flow h3{font-size:23px;margin:16px 0 10px}.change-flow p{font-size:13px;color:var(--muted);margin:0}.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.proof-grid h2{margin-top:20px}.proof-intro{font-size:15px;color:var(--muted);max-width:410px;margin:24px 0}.proof-stat{display:flex;gap:24px;align-items:center;margin:24px 0}.proof-stat strong{font-size:82px;letter-spacing:-6px;font-weight:400;line-height:1}.proof-stat span{font:11px/1.8 var(--mono);color:var(--muted)}.proof-checks{border-top:1px solid #b6beaa}details{border-bottom:1px solid #b6beaa}summary{list-style:none;cursor:pointer;padding:23px 0;display:flex;align-items:center;gap:14px;font-size:15px}summary::-webkit-details-marker{display:none}.check{color:#657a42;font-size:12px}.detail-plus{margin-left:auto;font:20px var(--mono);color:#7a856c}details[open] .detail-plus{transform:rotate(45deg)}details p{font-size:13px;color:var(--muted);margin:0 30px 24px}.seat-proof{margin:30px 0 0;max-width:385px}.seat-proof img{display:block;width:100%;height:auto;border:1px solid var(--line)}figcaption{font:10px/1.6 var(--mono);color:var(--muted);margin-top:9px}.next-section{background:#e7e9df;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.next-section h2 span{color:#7b856c}.roadmap{list-style:none;padding:0;margin:45px 0 0;border-top:1px solid #b9c2ac}.roadmap li{display:flex;gap:26px;align-items:start;border-bottom:1px solid #b9c2ac;padding:24px 0}.roadmap-number{font-size:11px;padding-top:5px;color:#788669}.roadmap h3{font-size:23px;margin:0 0 8px}.roadmap p{margin:0;max-width:670px;font-size:13px;color:var(--muted)}.roadmap-state{margin-left:auto;font-size:9px;color:#657850;border:1px solid #b9c2ac;padding:6px 10px;white-space:nowrap}.open-question{font-size:12px;color:var(--muted);margin-top:28px}.open-question>span{display:block;font-size:10px;margin-bottom:8px;color:#4e5e3d}.closing{text-align:center;padding-top:94px;padding-bottom:85px}.closing h2{font-size:clamp(36px,4.8vw,68px);margin:26px 0 32px;letter-spacing:-3px}.closing p{font-size:12px;color:var(--muted);margin-top:24px}.footer{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:30px;padding-bottom:35px;border-top:1px solid var(--line)}.footer>.wordmark{font-size:22px}.footer>span{font-size:11px;color:var(--muted)}.footer>div{display:flex;gap:28px;font-size:11px}.skip{position:absolute;left:20px;top:-100px;background:var(--acid);padding:14px;z-index:10}.skip:focus{top:10px}@media(min-width:1500px){.hero-grid{padding-top:80px;padding-bottom:80px}}@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero-grid{gap:40px}h1{letter-spacing:-5px;font-size:80px}.hero-link{display:block;margin:18px 0 0}.split{gap:50px}.primitive-panel{gap:30px;padding:30px}.proof-grid{gap:50px}.edition{font-size:9px}.model-box{margin-left:35px;margin-right:35px}.os-services{font-size:8px}.machine{transform:none}nav{gap:20px}.runtime-card>p{min-height:115px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{height:86px}.wordmark{font-size:23px}.mark{width:30px;height:30px;font-size:27px;line-height:26px}.header nav{gap:19px;font-size:11px}.header nav>a:first-child,.nav-cta{display:none}.hero{padding-top:26px}.edition{display:none}.eyebrow,.section-label{font-size:9px;letter-spacing:.7px}.hero-grid{grid-template-columns:1fr;padding:38px 0;gap:42px}h1{font-size:clamp(62px,12vw,92px);letter-spacing:-4.5px;line-height:1}.highlight:after{height:17px}.hero-intro{font-size:23px}.hero-description{font-size:14px;max-width:430px}.hero-link{display:inline-block;margin-left:20px}.machine{max-width:480px;width:100%;justify-self:center}.hero-bottom{font-size:10px;align-items:start;gap:20px;line-height:1.6}.hero-bottom a{text-align:right}.principle-strip .wrap{grid-template-columns:repeat(2,1fr);font-size:10px}.principle-strip span{padding:18px 8px}.principle-strip span:nth-child(3){border-left:1px solid var(--line)}.principle-strip span:nth-child(-n+2){border-bottom:1px solid var(--line)}.section{padding-top:58px;padding-bottom:58px}.section-label{padding-bottom:30px;gap:22px;line-height:1.5}.section-label>span:last-child{text-align:right}.split{grid-template-columns:1fr;gap:27px}h2{font-size:38px;letter-spacing:-1.9px}.prose .lead{font-size:20px}.prose p{font-size:14px}.thesis blockquote{margin-top:35px;font-size:35px;letter-spacing:-1.5px;padding-left:22px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:22px;font-size:13px}.primitive-tabs button{padding:15px 12px}.primitive-tabs strong{font-size:29px}.primitive-tabs small{font-size:9px}.primitive-tabs .tab-arrow{font-size:16px}.primitive-panel{grid-template-columns:1fr;gap:26px;padding:26px 22px;min-height:590px}.primitive-panel h3{font-size:31px}.primitive-panel p{font-size:13px}.terminal pre{min-height:150px}.seat-note{font-size:12px}.responsibilities{margin-top:40px}.responsibilities h3{font-size:25px}.table-scroll{overflow-x:auto}table{min-width:520px;font-size:12px}th{font-size:9px}.runtime-grid{grid-template-columns:1fr;gap:18px}.runtime-card{padding:25px}.runtime-card>p{min-height:0}.runtime-card h3{font-size:28px}.change-flow{grid-template-columns:1fr;margin-top:26px}.change-flow>div,.change-flow>div+div{padding:24px 0;border-left:0}.change-flow>div+div{border-top:1px solid #b9c1ac}.proof-grid{grid-template-columns:1fr;gap:35px}.proof-stat strong{font-size:68px}.seat-proof{max-width:100%}.roadmap{margin-top:30px}.roadmap li{gap:15px;position:relative;padding:24px 0 28px}.roadmap h3{font-size:21px;margin-right:62px;line-height:1.25}.roadmap p{font-size:12px}.roadmap-state{position:absolute;right:0;top:25px;font-size:7px;padding:4px}.closing{padding-top:65px;padding-bottom:55px}.closing h2{font-size:39px;letter-spacing:-1.8px}.footer{flex-wrap:wrap;gap:20px}.footer>div{width:100%;justify-content:space-between}.section-footnote{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:400px){.primitive-tabs{grid-template-columns:repeat(4,minmax(0,1fr))}.primitive-tabs button{padding:14px 9px;min-width:0}.primitive-tabs .tab-arrow{display:none}.primitive-tabs strong{font-size:27px}.header nav{gap:12px}.hero-link{margin-left:14px}}