:root{color-scheme:dark;--bg:#101112;--panel:#17191b;--text:#e9e8e2;--muted:#b4b8b7;--dim:#909795;--line:#343a3b;--accent:#e8bc75;--blue:#a9c9d1;--mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--mono);font-size:14px;line-height:1.7}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.skip{position:absolute;left:1rem;top:-5rem;background:var(--accent);color:#111;padding:.5rem 1rem;z-index:10}.skip:focus{top:1rem}.wrap{width:min(100% - 80px,1280px);margin-inline:auto}.header{min-height:84px;display:flex;align-items:center;gap:35px;border-bottom:1px solid var(--line)}.wordmark{font-weight:700;letter-spacing:.06em;white-space:nowrap}.mark{color:#87918e;font-weight:400;margin-right:8px}.mark b{color:var(--accent)}.wordmark-sub{color:var(--dim);font-weight:400;font-size:10px;margin-left:5px}.header nav{display:flex;gap:30px;margin:auto;font-size:11px;color:var(--muted)}.header a:hover,.footer a:hover{color:var(--accent)}.header-status{font-size:10px;letter-spacing:.08em;color:var(--muted);white-space:nowrap}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px}.hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(310px,.7fr);gap:80px;padding-block:80px 95px;align-items:center}.path,.panel-title,.panel-foot,.section-number,.diagram-title,.domain-label,.evidence-top,.ticker,.spec-label,.rollback-label,.note>span,.footer{font-size:10px;letter-spacing:.09em}.path{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px}.path>span:first-child{color:var(--blue)}.slash{color:var(--dim);padding:0 9px}.path-end{float:right;color:var(--dim)}.prompt{color:var(--dim);margin:40px 0 20px}.prompt span{color:var(--accent);margin-right:8px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,4.2vw,64px);line-height:1.15;letter-spacing:-.055em;margin-bottom:25px}h1 span,h2 span{color:var(--accent)}.lead{max-width:620px;color:var(--muted);font-size:15px;line-height:1.85}.hero-links{display:flex;gap:30px;align-items:center;margin-top:36px;font-size:12px}.hero-links a{border-bottom:1px solid #69736f;padding:10px 0}.hero-links a:hover{color:var(--accent);border-color:var(--accent)}.hero-links .primary{border:1px solid var(--accent);padding:11px 15px;color:var(--accent)}.hero-links span{margin-left:12px}.spec{border:1px solid #4c5351;background:var(--panel)}.panel-title,.panel-foot{display:flex;justify-content:space-between;padding:12px 18px;color:var(--muted)}.panel-title{border-bottom:1px solid var(--line)}.panel-title span:last-child,.panel-foot span{color:var(--accent)}.spec-body{padding:26px 22px 20px}.spec-logo{font-size:38px;line-height:1;font-weight:700;letter-spacing:-.1em}.spec-logo span{color:var(--accent)}.spec-label{color:var(--dim);margin:15px 0 26px}dl{margin:0}dl div{display:flex;justify-content:space-between;gap:15px;padding:9px 0;border-top:1px solid #303536;font-size:11px}dt{color:var(--dim)}dd{margin:0;text-align:right}.badge{color:var(--accent)}.panel-foot{border-top:1px solid var(--line);color:var(--dim)}.ticker{border-block:1px solid var(--line);color:var(--muted);background:#151719}.ticker .wrap{display:flex;justify-content:space-between;gap:15px;padding-block:14px}.ticker b,.diagram-title b{color:var(--accent);font-weight:400}.section{padding-block:112px}.section-alt{background:#151719;border-block:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:55px;margin-bottom:60px}.section-head>p{color:var(--muted);max-width:410px;margin-bottom:4px;line-height:1.85}.section-number{color:var(--accent);margin-bottom:22px}.section-number span{color:var(--dim)}h2{font-size:clamp(29px,3vw,43px);line-height:1.25;letter-spacing:-.05em;margin:0}h3{font-size:16px;line-height:1.4;margin:0 0 14px}.diagram-title{display:flex;justify-content:space-between;gap:20px;color:var(--muted);padding-bottom:14px}.diagram-title span:last-child{color:var(--dim)}.domains{display:grid;grid-template-columns:1fr 1fr;position:relative;border:1px solid #4a5250}.domain{padding:29px 32px 31px;min-width:0}.domain+ .bridge + .domain{border-left:1px solid #4a5250}.domain-label,.evidence-top{display:flex;justify-content:space-between;color:var(--blue);margin-bottom:40px}.domain-label span:last-child,.evidence-top span:last-child{color:var(--dim)}.domain p,.evidence-grid p{color:var(--muted);max-width:480px;line-height:1.85}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.tags span{border:1px solid var(--line);color:var(--muted);padding:3px 8px;font-size:10px}.bridge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--bg);border:1px solid #4a5250;width:31px;height:31px;display:grid;place-items:center;color:var(--accent)}.note{display:grid;grid-template-columns:140px 1fr;gap:20px;border-bottom:1px solid var(--line);padding:25px 0}.note>span{color:var(--accent)}.note p{margin:0;color:var(--muted);max-width:850px;font-size:12px}.steps{display:grid;grid-template-columns:repeat(6,1fr);list-style:none;padding:0;margin:0;border:1px solid #4a5250}.steps li{padding:20px 16px;min-width:0;position:relative}.steps li+li{border-left:1px solid #4a5250}.steps li+li:before{content:'›';position:absolute;left:-7px;top:53px;background:#151719;color:var(--accent);font-size:18px;line-height:1}.steps li>span{color:var(--accent);font-size:10px}.steps h3{margin:27px 0 8px;font-size:13px}.steps p{color:var(--muted);font-size:11px;margin:0}.rollback{display:flex;align-items:flex-start;gap:20px;border:1px solid var(--line);border-top:0;padding:20px}.rollback-icon{font-size:23px;line-height:1;color:var(--accent)}.rollback strong{font-size:12px}.rollback p{color:var(--muted);font-size:12px;margin:5px 0 0;max-width:780px}.rollback-label{color:var(--accent);margin-left:auto;white-space:nowrap}.evidence-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid #4a5250}.evidence-grid article{padding:30px 32px}.evidence-grid article+article{border-left:1px solid #4a5250}.evidence-top{margin-bottom:35px}.evidence-grid p{font-size:12px}.footer{border-top:1px solid var(--line);color:var(--dim)}.footer-inner{min-height:110px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer .wordmark{color:var(--text);font-size:13px}@media(max-width:850px){.wrap{width:calc(100% - 40px)}.header nav{gap:15px}.wordmark-sub{display:none}.hero{gap:35px}.steps{grid-template-columns:repeat(3,1fr)}.steps li:nth-child(4){border-left:0}.steps li:nth-child(n+4){border-top:1px solid #4a5250}.steps li:nth-child(4):before{display:none}}@media(max-width:620px){.header{min-height:70px;flex-wrap:wrap;gap:10px;padding-block:15px}.header nav{order:3;width:100%;justify-content:space-between;gap:8px;font-size:10px}.header-status{margin-left:auto}.hero{display:block;padding-block:55px 70px}.path-end{display:none}.hero-links{flex-wrap:wrap;gap:15px}.spec{margin-top:45px}.ticker .wrap span:nth-child(2){display:none}.section{padding-block:75px}.section-head{display:block;margin-bottom:35px}.section-head>p{margin:25px 0 0}.diagram-title span:last-child{display:none}.domains,.evidence-grid{grid-template-columns:1fr}.domain+ .bridge + .domain,.evidence-grid article+article{border-left:0;border-top:1px solid #4a5250}.bridge{top:50%}.domain,.evidence-grid article{padding:25px 22px}.domain-label,.evidence-top{margin-bottom:25px}.note{grid-template-columns:1fr;gap:10px}.steps{grid-template-columns:repeat(2,1fr)}.steps li:nth-child(odd){border-left:0}.steps li:nth-child(n+3){border-top:1px solid #4a5250}.steps li:nth-child(odd):before{display:none}.steps li:nth-child(4):before{display:block}.rollback-label{display:none}.footer-inner{flex-wrap:wrap;padding-block:25px}.footer-inner>span{width:100%;order:3}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}