:root {
      --bg:#f2f0e8;
      --surface:#fcfbf6;
      --surface-2:#e8e8df;
      --surface-3:#ddded4;
      --ink:#0a1712;
      --muted:#65716b;
      --line:#c8cec7;
      --line-strong:#95a29a;
      --lime:#a8eb00;
      --lime-ink:#152000;
      --creative:#7257ff;
      --diy:#ff7c45;
      --project:#35b97b;
      --toolbox:#3e8cff;
      --yellow:#ffc83d;
      --red:#ff5c52;
      --shadow:0 24px 80px rgba(13,28,21,.12);
      --radius:24px;
      --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
      --sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    html.dark {
      --bg:#07100d;
      --surface:#0d1713;
      --surface-2:#14201b;
      --surface-3:#1a2821;
      --ink:#f3f2ea;
      --muted:#9da9a2;
      --line:#26382f;
      --line-strong:#465a50;
      --lime:#baff16;
      --lime-ink:#101a00;
      --creative:#8a72ff;
      --diy:#ff8557;
      --project:#4ed097;
      --toolbox:#64a0ff;
      --yellow:#ffd451;
      --red:#ff746b;
      --shadow:0 28px 90px rgba(0,0,0,.35);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);min-width:320px}
    button,a{font:inherit}
    button{color:inherit}
    .skip{position:fixed;left:12px;top:-60px;z-index:99;background:var(--lime);color:var(--lime-ink);padding:10px 14px;border-radius:12px;font-weight:800}
    .skip:focus{top:12px}
    .topbar{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(22px)}
    .topbar-inner{max-width:1800px;margin:auto;display:flex;align-items:center;gap:18px;padding:14px 22px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.03em;white-space:nowrap}
    .brandmark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(145deg,var(--creative),var(--lime));color:#08100c;font-size:20px}
    .status{font:700 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:8px 10px;border-radius:999px}
    .top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
    .icon-btn,.small-btn{border:1px solid var(--line);background:var(--surface);border-radius:12px;cursor:pointer;transition:.18s ease}
    .icon-btn{width:40px;height:40px;display:grid;place-items:center;font-size:17px}
    .small-btn{padding:10px 13px;font-size:13px;font-weight:800}
    .icon-btn:hover,.small-btn:hover{border-color:var(--line-strong);transform:translateY(-1px)}
    main{max-width:1800px;margin:auto;padding:38px 22px 68px}
    .hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.7fr);gap:50px;align-items:end;padding:8px 4px 30px}
    .eyebrow{font:800 12px/1.2 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--diy);margin-bottom:18px}
    h1{font-size:clamp(44px,6.8vw,112px);line-height:.88;letter-spacing:-.075em;margin:0;max-width:1080px}
    h1 em{font-style:normal;color:var(--lime)}
    .lede{font-size:clamp(17px,1.6vw,26px);line-height:1.42;color:var(--muted);margin:0 0 3px;max-width:660px}
    .stats{display:grid;grid-template-columns:repeat(6,minmax(110px,1fr));gap:10px;margin:14px 0 24px}
    .stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px 17px;min-height:88px}
    .stat b{display:block;font-size:28px;letter-spacing:-.04em;margin-bottom:5px}
    .stat span{font:700 11px/1.25 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
    .tabbar{position:sticky;top:69px;z-index:24;display:flex;gap:7px;padding:8px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);backdrop-filter:blur(18px);overflow-x:auto;scrollbar-width:none}
    .tabbar::-webkit-scrollbar{display:none}
    .tab{border:0;background:transparent;padding:12px 16px;border-radius:11px;font-weight:850;white-space:nowrap;cursor:pointer;color:var(--muted)}
    .tab[aria-selected="true"]{background:var(--ink);color:var(--bg)}
    .atlas-shell{display:grid;grid-template-columns:230px minmax(0,1fr) 320px;gap:14px;margin-top:14px;align-items:start}
    .rail,.dossier,.stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .rail,.dossier{position:sticky;top:140px;padding:18px;max-height:calc(100vh - 160px);overflow:auto}
    .rail h2,.dossier h2{font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 16px;color:var(--muted)}
    .rail-group{padding:15px 0;border-top:1px solid var(--line)}
    .rail-group:first-of-type{border-top:0;padding-top:0}
    .rail-label{font:800 10px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
    .legend{display:flex;flex-direction:column;gap:8px}
    .legend-row{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:700}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--line-strong)}
    .dot.creative{background:var(--creative)}.dot.diy{background:var(--diy)}.dot.project{background:var(--project)}.dot.toolbox{background:var(--toolbox)}
    .status-key{display:grid;gap:7px}
    .status-chip{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted)}
    .status-chip i{width:25px;height:9px;border-radius:99px;border:1px solid var(--line-strong)}
    .status-chip[data-kind="primary"] i{background:var(--lime);border-color:var(--lime)}
    .status-chip[data-kind="compatible"] i{background:color-mix(in srgb,var(--lime) 28%,transparent)}
    .status-chip[data-kind="feeder"] i{background:repeating-linear-gradient(135deg,var(--line-strong) 0 2px,transparent 2px 5px)}
    .rail-note{font-size:12px;line-height:1.5;color:var(--muted);margin:0}
    .stage{min-height:760px;overflow:hidden}
    .view{display:none}
    .view.active{display:block}
    .view-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:26px 28px 18px;border-bottom:1px solid var(--line)}
    .view-head h2{font-size:clamp(26px,3vw,46px);line-height:1;letter-spacing:-.05em;margin:0 0 8px}
    .view-head p{margin:0;max-width:760px;color:var(--muted);font-size:15px;line-height:1.5}
    .view-tag{font:800 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);padding:8px 9px;border-radius:999px;color:var(--muted);white-space:nowrap}
    .diagram-wrap{overflow:auto;padding:18px;background:radial-gradient(circle at 50% 35%,color-mix(in srgb,var(--lime) 8%,transparent),transparent 43%)}
    .system-svg{display:block;min-width:1120px;width:100%;height:auto}
    .system-svg text{font-family:var(--sans);fill:var(--ink)}
    .system-svg .mono{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase}
    .system-svg .muted{fill:var(--muted)}
    .system-svg .zone{fill:var(--surface-2);stroke:var(--line);stroke-width:1.5}
    .system-svg .context{fill:var(--surface);stroke:var(--context-color);stroke-width:2}
    .system-svg .node{fill:var(--surface);stroke:var(--line-strong);stroke-width:1.5}
    .system-svg .node.core{stroke:var(--lime);stroke-width:2}
    .system-svg .route{fill:var(--surface-2);stroke:var(--line);stroke-width:1.2}
    .system-svg .edge{fill:none;stroke:var(--line-strong);stroke-width:2;marker-end:url(#arrow);opacity:.75}
    .system-svg .edge.soft{stroke-dasharray:6 7;opacity:.45}
    .system-svg .edge.loop{stroke:var(--lime);stroke-width:2.4;opacity:.9}
    .system-svg .clickable{cursor:pointer;transition:.18s ease;transform-box:fill-box;transform-origin:center}
    .system-svg .clickable:hover,.system-svg .clickable.is-active{filter:drop-shadow(0 8px 16px rgba(0,0,0,.2));transform:translateY(-3px)}
    .system-svg .clickable.is-active .node,.system-svg .clickable.is-active .context{stroke-width:4}
    .system-svg .badge{fill:var(--ink)}
    .system-svg .badge-text{fill:var(--bg);font-weight:900}
    .system-svg .ctx-creative{--context-color:var(--creative)}
    .system-svg .ctx-diy{--context-color:var(--diy)}
    .system-svg .ctx-project{--context-color:var(--project)}
    .system-svg .ctx-toolbox{--context-color:var(--toolbox)}
    .mobile-system{display:none;padding:16px}
    .mobile-stack{display:grid;gap:10px}
    .mobile-card{border:1px solid var(--line);background:var(--surface-2);border-radius:18px;padding:15px;cursor:pointer}
    .mobile-card b{display:block;font-size:17px;margin-bottom:6px}
    .mobile-card span{font-size:13px;line-height:1.45;color:var(--muted)}
    .mobile-arrow{text-align:center;color:var(--lime);font-weight:900}
    .object-map{padding:20px;display:grid;grid-template-columns:repeat(5,minmax(190px,1fr));gap:10px;overflow:auto}
    .domain{min-width:190px;border:1px solid var(--line);background:var(--surface-2);border-radius:20px;padding:15px;position:relative}
    .domain[data-accent="creative"],.object-btn[data-accent="creative"]{--domain-color:var(--creative)}
    .domain[data-accent="yellow"],.object-btn[data-accent="yellow"]{--domain-color:var(--yellow)}
    .domain[data-accent="toolbox"],.object-btn[data-accent="toolbox"]{--domain-color:var(--toolbox)}
    .domain[data-accent="diy"],.object-btn[data-accent="diy"]{--domain-color:var(--diy)}
    .domain[data-accent="project"],.object-btn[data-accent="project"]{--domain-color:var(--project)}
    .domain::before{content:"";display:block;height:4px;border-radius:99px;background:var(--domain-color);margin:-3px 0 15px}
    .domain h3{font-size:18px;line-height:1.15;margin:0 0 6px;letter-spacing:-.025em}
    .domain > p{font-size:12px;line-height:1.45;color:var(--muted);min-height:52px;margin:0 0 12px}
    .object-list{display:grid;gap:7px}
    .object-btn{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:12px;padding:10px;cursor:pointer;font-weight:750;font-size:12px;line-height:1.25;transition:.16s}
    .object-btn:hover,.object-btn.is-active{border-color:var(--domain-color);transform:translateX(2px)}
    .object-foot{margin:0 20px 22px;border:1px solid var(--line);border-radius:17px;padding:16px 18px;background:var(--surface-2);display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center}
    .object-foot strong{font:900 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--lime)}
    .object-foot p{margin:0;font-size:13px;line-height:1.45;color:var(--muted)}
    .matrix-toolbar{padding:16px 20px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line)}
    .filter-btn{border:1px solid var(--line);background:var(--surface-2);padding:8px 11px;border-radius:999px;cursor:pointer;font-size:12px;font-weight:800}
    .filter-btn[aria-pressed="true"]{background:var(--lime);color:var(--lime-ink);border-color:var(--lime)}
    .matrix-wrap{overflow:auto;padding:0 20px 22px}
    .matrix{display:grid;grid-template-columns:minmax(230px,1.4fr) repeat(4,minmax(112px,.65fr));min-width:790px}
    .matrix > *{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:11px 12px}
    .matrix > *:nth-child(5n){border-right:0}
    .matrix-head{position:sticky;top:0;background:var(--surface);z-index:2;font:800 10px/1.2 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
    .family{cursor:pointer;background:var(--surface)}
    .family:hover{background:var(--surface-2)}
    .family b{display:block;font-size:13px;margin-bottom:3px}
    .family small{font-size:10px;color:var(--muted)}
    .cell{display:grid;place-items:center;min-height:52px;background:var(--surface)}
    .mark{width:34px;height:13px;border-radius:999px;border:1px solid var(--line-strong);position:relative}
    .mark.primary{background:var(--lime);border-color:var(--lime)}
    .mark.compatible{background:color-mix(in srgb,var(--lime) 28%,transparent)}
    .mark.feeder{background:repeating-linear-gradient(135deg,var(--line-strong) 0 2px,transparent 2px 5px)}
    .mark.none{width:8px;height:8px;border:0;background:var(--line)}
    .journey-layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:650px}
    .journey-list{padding:18px;border-right:1px solid var(--line);display:grid;align-content:start;gap:8px}
    .journey-btn{border:1px solid var(--line);background:var(--surface-2);border-radius:15px;padding:13px;text-align:left;cursor:pointer}
    .journey-btn b{display:block;font-size:13px;margin-bottom:4px}
    .journey-btn span{font-size:11px;color:var(--muted);line-height:1.35}
    .journey-btn[aria-pressed="true"]{border-color:var(--lime);box-shadow:inset 4px 0 0 var(--lime)}
    .journey-canvas{padding:24px;overflow:auto}
    .journey-context{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:26px}
    .journey-pill{padding:7px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);font:800 10px/1 var(--mono);letter-spacing:.05em;text-transform:uppercase}
    .journey-flow{display:flex;align-items:stretch;gap:24px;min-width:860px;padding:30px 4px 44px;position:relative}
    .journey-flow::before{content:"";position:absolute;left:45px;right:45px;top:78px;height:3px;background:linear-gradient(90deg,var(--toolbox),var(--creative),var(--lime),var(--project));opacity:.65}
    .j-step{position:relative;z-index:1;width:150px;flex:0 0 150px;background:var(--surface-2);border:1px solid var(--line);border-radius:18px;padding:16px 13px;min-height:128px;cursor:pointer}
    .j-step::before{content:attr(data-n);position:absolute;right:10px;top:9px;font:900 10px/1 var(--mono);color:var(--muted)}
    .j-step .j-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--surface);border:1px solid var(--line);margin-bottom:20px}
    .j-step b{display:block;font-size:13px;line-height:1.25;margin-bottom:5px}
    .j-step span{display:block;font-size:10px;line-height:1.4;color:var(--muted)}
    .journey-why{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .reason{border:1px solid var(--line);background:var(--surface-2);padding:16px;border-radius:17px}
    .reason h3{font-size:13px;margin:0 0 7px}
    .reason p{font-size:12px;line-height:1.5;color:var(--muted);margin:0}
    .decision-grid{padding:20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .decision{border:1px solid var(--line);background:var(--surface-2);border-radius:18px;padding:17px}
    .decision .kicker{font:800 10px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--lime);margin-bottom:9px}
    .decision h3{font-size:18px;margin:0 0 8px}
    .decision p{font-size:13px;line-height:1.5;color:var(--muted);margin:0}
    .decision strong{color:var(--ink)}
    .dossier-empty{font-size:13px;line-height:1.5;color:var(--muted)}
    .dossier-kind{display:inline-flex;align-items:center;gap:7px;font:800 10px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:13px}
    .dossier-kind::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent,var(--lime))}
    .dossier-title{font-size:28px;line-height:1;letter-spacing:-.045em;margin:0 0 13px}
    .dossier-lead{font-size:13px;line-height:1.55;color:var(--muted);margin:0 0 18px}
    .dossier-block{border-top:1px solid var(--line);padding:14px 0}
    .dossier-block h3{font:800 10px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
    .dossier-block p,.dossier-block li{font-size:12px;line-height:1.5}
    .dossier-block p{margin:0}
    .dossier-block ul{margin:0;padding-left:17px}
    .evidence{display:inline-flex;font:800 9px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;padding:6px 8px;border-radius:99px;background:var(--surface-3);color:var(--muted);margin-top:9px}
    .evidence.accepted{background:color-mix(in srgb,var(--project) 22%,var(--surface));color:var(--project)}
    .evidence.design{background:color-mix(in srgb,var(--toolbox) 20%,var(--surface));color:var(--toolbox)}
    .evidence.hypothesis{background:color-mix(in srgb,var(--yellow) 22%,var(--surface));color:color-mix(in srgb,var(--yellow) 80%,var(--ink))}
    .footer-note{margin-top:16px;border:1px solid var(--line);border-radius:20px;padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--surface)}
    .footer-note h2{font-size:16px;margin:0 0 6px}
    .footer-note p{font-size:12px;line-height:1.5;color:var(--muted);margin:0;max-width:1000px}
    .footer-note a{color:var(--ink);font-weight:800;text-decoration-color:var(--lime);text-underline-offset:4px}
    .no-js{padding:20px;background:var(--red);color:white;font-weight:800}
    @media (max-width:1250px){
      .atlas-shell{grid-template-columns:190px minmax(0,1fr)}
      .dossier{grid-column:1/-1;position:static;max-height:none;display:grid;grid-template-columns:180px 1fr;gap:16px}
      .dossier h2{grid-column:1/-1}
      .dossier-content{grid-column:2}
      .stats{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:840px){
      .topbar-inner{padding:10px 14px}.status{display:none}
      main{padding:26px 12px 54px}
      .hero{grid-template-columns:1fr;gap:22px}.lede{font-size:16px}
      .stats{grid-template-columns:repeat(2,1fr)}
      .tabbar{top:55px;border-radius:14px;margin:0 -2px}
      .atlas-shell{grid-template-columns:1fr}
      .rail{position:static;max-height:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:14px}
      .rail h2{grid-column:1/-1;margin:0}.rail-group{border:0;padding:0}.rail-group:last-child{grid-column:1/-1}
      .dossier{display:block;grid-column:auto}
      .system-desktop{display:none}.mobile-system{display:block}
      .stage{min-height:0}.view-head{padding:21px 18px 15px;align-items:flex-start;flex-direction:column;gap:10px}
      .object-map{grid-template-columns:repeat(5,210px);padding:15px}
      .object-foot{margin:0 15px 16px;grid-template-columns:1fr}
      .journey-layout{grid-template-columns:1fr}.journey-list{border-right:0;border-bottom:1px solid var(--line);display:flex;overflow:auto}.journey-btn{min-width:210px}
      .journey-canvas{padding:16px}.journey-why{grid-template-columns:1fr}
      .decision-grid{grid-template-columns:1fr;padding:15px}
      .footer-note{grid-template-columns:1fr}.footer-note .small-btn{justify-self:start}
      h1{font-size:clamp(52px,15vw,76px)}
    }
    @media (max-width:480px){
      .brand span:last-child{font-size:14px}.top-actions .small-btn{display:none}
      .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.stat{padding:13px;min-height:78px}.stat b{font-size:24px}
      .rail{grid-template-columns:1fr}.rail h2,.rail-group:last-child{grid-column:auto}
      .dossier-title{font-size:24px}
    }
    @media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}