:root{--bg:#05080d;--surface:#0d1520;--surface-2:#111d2c;--surface-3:#162435;--ink:#e2e8f0;--ink-soft:#a8b5c7;--muted:#64748b;--line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.15);--accent:#10b981;--accent-hover:#34d399;--accent-weak:rgba(16,185,129,.12);--red:#f87171;--green:#34d399;--cyan:#22d3ee;--indigo:#818cf8;--flow-request:#22d3ee;--flow-control:#f87171;--flow-telemetry:#10b981;--t-initial:#10b981;--t-advance:#22d3ee;--t-optimal:#f87171;--radius:12px;--radius-sm:8px;--radius-lg:18px;--shadow:0 8px 48px rgba(0,0,0,.7);--shadow-soft:0 4px 24px rgba(0,0,0,.45);--gradient-brand:linear-gradient(135deg,#10b981 0%,#22d3ee 100%);--gradient-hero:linear-gradient(135deg,#818cf8 0%,#10b981 60%,#22d3ee 100%);--gradient-card:linear-gradient(135deg,rgba(16,185,129,.08),rgba(34,211,238,.04));--glass:rgba(255,255,255,.04);--glass-hover:rgba(255,255,255,.07);--serif:"DM Sans",system-ui,sans-serif;--sans:"DM Sans",system-ui,sans-serif;--display:"Space Grotesk",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--sidebar-w:276px;--content-max:1000px}[data-theme=light]{--bg:#f0f4f9;--surface:#ffffff;--surface-2:#f5f8fc;--surface-3:#e6ecf5;--ink:#0d1520;--ink-soft:#374760;--muted:#7a8ea4;--line:rgba(0,0,0,.08);--line-strong:rgba(0,0,0,.14);--accent:#059669;--accent-hover:#10b981;--accent-weak:rgba(5,150,105,.1);--red:#dc2626;--green:#059669;--cyan:#0891b2;--indigo:#4f46e5;--flow-request:#0891b2;--flow-control:#dc2626;--flow-telemetry:#059669;--t-initial:#059669;--t-advance:#0891b2;--t-optimal:#dc2626;--shadow:0 8px 48px rgba(0,0,0,.12);--shadow-soft:0 4px 24px rgba(0,0,0,.08);--gradient-card:linear-gradient(135deg,rgba(5,150,105,.07),rgba(8,145,178,.04));--glass:rgba(0,0,0,.03);--glass-hover:rgba(0,0,0,.05)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 25% -10%,rgba(129,140,248,.18),transparent 28rem),radial-gradient(circle at 92% 10%,rgba(16,185,129,.14),transparent 24rem),var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.14;letter-spacing:0;margin:0}h1{font-weight:800;font-size:clamp(2.25rem,5.4vw,4.35rem);margin:.3rem 0 .8rem;max-width:850px}h2{font-weight:700;font-size:clamp(1.45rem,2.6vw,2.1rem);margin:3.1rem 0 1rem;padding-bottom:.75rem;border-bottom:1px solid var(--line)}h3{font-weight:600;font-size:1.05rem}p{color:var(--ink-soft)}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.skip-link{position:fixed;top:.5rem;left:.5rem;z-index:100;background:var(--ink);color:#fff;padding:.55rem .8rem;border-radius:var(--radius-sm);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}code,.mono{font-family:var(--mono);font-size:.85em}.eyebrow{font-family:var(--display);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.lead{font-family:var(--sans);font-size:1.18rem;line-height:1.7;color:var(--ink-soft);max-width:70ch}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}.main{min-width:0}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1.4rem;background:#05080dc7;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--line)}[data-theme=light] .topbar{background:#f0f4f9db}.topbar-left,.topbar-actions{display:flex;align-items:center;gap:.8rem;min-width:0}.crumb{font-family:var(--mono);font-size:.74rem;color:var(--muted)}.lang-switch{display:flex;gap:.25rem;font-family:var(--mono);font-size:.78rem}.lang-switch a{padding:.2rem .55rem;border-radius:6px;color:var(--muted);border:1px solid transparent}.lang-switch a[aria-current=true]{color:var(--accent);background:var(--accent-weak);border-color:#10b98147;font-weight:600}.hub-return{display:inline-flex;align-items:center;padding:.35rem .7rem;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;color:var(--muted)}.hub-return:hover{color:var(--ink);border-color:var(--line-strong);background:var(--glass);text-decoration:none}.theme-toggle{display:inline-flex;align-items:center;width:2.25rem;height:2rem;justify-content:center;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);font-family:var(--mono);font-size:1rem;font-weight:700;color:var(--muted);background:transparent;cursor:pointer}.theme-toggle:hover{color:var(--ink);border-color:var(--accent);background:var(--glass)}.theme-toggle-light,[data-theme=light] .theme-toggle-dark{display:none}[data-theme=light] .theme-toggle-light{display:inline}.hub-menu{position:relative}.hub-menu summary{list-style:none;display:inline-flex;align-items:center;gap:.35rem;padding:.36rem .7rem;border-radius:var(--radius-sm);background:var(--accent-weak);color:var(--accent);font-weight:700;font-size:.82rem;cursor:pointer}.hub-menu summary::-webkit-details-marker{display:none}.hub-menu-caret{transition:transform .2s ease}.hub-menu[open] .hub-menu-caret{transform:rotate(180deg)}.hub-menu-panel{position:absolute;top:calc(100% + .65rem);left:0;min-width:250px;padding:.45rem;background:#0d1520f5;border:1px solid var(--line-strong);border-radius:var(--radius);box-shadow:var(--shadow);z-index:30}[data-theme=light] .hub-menu-panel{background:#fffffff5}.hub-menu-link{display:flex;flex-direction:column;gap:.12rem;padding:.62rem .72rem;border-radius:var(--radius-sm);font-size:.88rem;color:var(--ink)}.hub-menu-link:hover{background:var(--glass-hover);text-decoration:none;color:var(--ink)}.hub-menu-link.primary{border-bottom:1px solid var(--line);border-radius:var(--radius-sm) var(--radius-sm) 0 0;margin-bottom:.25rem}.hub-menu-title{font-weight:700;color:var(--ink)}.hub-menu-sub{font-size:.75rem;color:var(--muted)}.content{padding:2rem clamp(1.1rem,4vw,3rem) 4rem}.content-inner{max-width:var(--content-max);margin:0 auto}.sidebar{position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto;border-right:1px solid var(--line);background:#0d1520d1;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:1.3rem 1rem}[data-theme=light] .sidebar{background:#ffffffd1}.sidebar .site-name{display:flex;align-items:center;gap:.5rem;font-family:var(--display);font-weight:700;font-size:.98rem}.glyph{width:26px;height:26px;flex:none}.sidebar .site-sub{color:var(--muted);font-size:.82rem;margin:.15rem 0 1.3rem}.nav-group{margin-bottom:1.1rem}.nav-group>.label{font-family:var(--mono);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 .4rem .55rem}.nav-link{display:block;padding:.42rem .6rem;border-radius:var(--radius-sm);color:var(--ink-soft);font-size:.9rem;border-left:2px solid transparent}.nav-link:hover{background:var(--glass-hover);text-decoration:none;color:var(--ink)}.nav-link[aria-current=page]{background:var(--accent-weak);color:var(--accent);border-left-color:var(--accent);font-weight:600}.row{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.3rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.72rem 1.25rem;border-radius:var(--radius-sm);font-weight:600;font-size:.92rem;border:1px solid var(--line-strong);background:var(--glass);color:var(--ink)}.btn:hover{text-decoration:none;border-color:var(--line-strong);background:var(--glass-hover);color:var(--ink);transform:translateY(-1px)}.btn.primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}.btn.primary:hover{background:var(--accent-hover);color:var(--bg);box-shadow:0 8px 30px #10b98133}.grid{display:grid;gap:1rem}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{display:block;background:linear-gradient(135deg,#ffffff0b,#ffffff05);border:1px solid var(--line);border-radius:var(--radius);padding:1.15rem;box-shadow:var(--shadow-soft);transition:transform .18s,box-shadow .18s,border-color .18s,background .18s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong);background:var(--gradient-card);text-decoration:none}.card h3{margin:.2rem 0}.block-link{display:block}.plane-card-title{margin-top:.6rem}.component-role{font-size:.92rem}.pill{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--mono);font-size:.72rem;padding:.18rem .5rem;border-radius:999px;background:var(--accent-weak);color:var(--accent);border:1px solid rgba(16,185,129,.24)}.pill.request{color:var(--flow-request);border-color:color-mix(in srgb,var(--flow-request) 30%,var(--line))}.spec{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;margin:1.5rem 0 .3rem;background:var(--surface)}.spec>div{padding:.65rem .85rem;border-right:1px solid var(--line)}.spec>div:last-child{border-right:none}.spec .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:.22rem}.spec .v{font-family:var(--mono);font-size:.78rem;color:var(--ink);line-height:1.45}.tech{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.5rem}.tcell{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.85rem 1rem}.tcell.sec{border-left:3px solid var(--red)}.tk{font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:.32rem}.tcell p{font-family:var(--serif);font-size:1rem;color:var(--ink-soft);margin:0;line-height:1.5}.impl{margin-top:.65rem;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}.impl .ik{font-family:var(--mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-right:.2rem}.chip{font-family:var(--mono);font-size:.66rem;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:.1rem .4rem}.chip b{color:var(--ink);font-weight:600}.doctrine{border-left:3px solid var(--red);background:linear-gradient(90deg,rgba(248,113,113,.12),transparent 80%);padding:.65rem 1rem;margin:1.2rem 0 .2rem;border-radius:0 8px 8px 0}.doctrine p{font-family:var(--serif);font-style:italic;font-size:1.06rem;margin:0;color:var(--ink)}.hintbar{font-family:var(--mono);font-size:.64rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:.5rem 0 0}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:.8rem}.col{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--c);border-radius:var(--radius);padding:.95rem .9rem 1.05rem}.col.initial{--c:var(--t-initial)}.col.advance{--c:var(--t-advance)}.col.optimal{--c:var(--t-optimal)}.col h3{font-size:.98rem;font-weight:600;margin:0}.col .sub{font-family:var(--mono);font-size:.64rem;letter-spacing:.04em;text-transform:uppercase;color:var(--c);margin:.15rem 0 .7rem}.recs{list-style:none;counter-reset:c;padding:0;margin:0}.recs li{counter-increment:c;padding:.55rem 0;border-top:1px solid var(--line);cursor:default;border-radius:6px;transition:background .2s}.recs li:first-child{border-top:none}.recs li:hover,.recs li:focus-within{background:var(--glass-hover);outline:none}.recs .t{display:block;font-size:.89rem;color:var(--ink-soft);line-height:1.45}.recs .t:before{content:counter(c,decimal-leading-zero);font-family:var(--mono);font-size:.68rem;color:var(--c);font-weight:700;margin-right:.45rem}.recs .chips{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.35rem}.detail{max-height:0;overflow:hidden;opacity:0;transition:max-height .26s ease,opacity .2s,margin .2s;font-family:var(--serif);font-size:.94rem;color:var(--muted);line-height:1.45}.recs li:hover .detail,.recs li:focus-within .detail{max-height:240px;opacity:1;margin-top:.4rem}.notes{margin:.5rem 0 0;padding:0;list-style:none}.notes li{padding:.6rem 0 .6rem 1rem;border-left:2px solid var(--line-strong);margin-bottom:.5rem;cursor:default;border-radius:0 6px 6px 0;transition:background .2s,border-color .2s}.notes li:hover,.notes li:focus-within{background:var(--glass-hover);border-left-color:var(--accent);outline:none}.notes .lead{font-weight:600;font-size:.94rem}.notes .lead .hint{font-family:var(--mono);font-size:.6rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-left:.5rem}.notes li:hover .hint,.notes li:focus-within .hint{color:var(--accent)}.notes .body{font-family:var(--serif);font-size:1rem;color:var(--ink-soft);margin-top:.12rem}.notes .detail{font-size:.94rem}.refs{border-top:1px solid var(--line);margin-top:.4rem}.refs .rrow{display:grid;grid-template-columns:230px 1fr;gap:1rem;padding:.55rem 0;border-bottom:1px solid var(--line)}.refs .term{font-family:var(--mono);font-size:.78rem;color:var(--accent);font-weight:600}.refs .desc{font-size:.89rem;color:var(--ink-soft)}.gloss{display:grid;grid-template-columns:repeat(2,1fr);gap:0 1.6rem;margin-top:.3rem}.gloss .g{display:grid;grid-template-columns:80px 1fr;gap:.6rem;padding:.4rem 0;border-bottom:1px solid var(--line);font-size:.84rem;align-items:baseline}.gloss .abbr{font-family:var(--mono);font-weight:600;color:var(--ink)}.gloss .full{color:var(--ink-soft)}.flow-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow-soft);overflow-x:auto;margin-top:1.3rem}.flow svg{width:100%;height:auto;display:block;min-width:680px}.flow .node rect{fill:var(--surface);stroke:var(--line-strong);transition:fill .18s,stroke .18s}.flow .cp rect{fill:#f871711f;stroke:color-mix(in srgb,var(--flow-control) 40%,var(--line))}.flow .cp text{font-family:var(--mono);font-size:10px;fill:var(--flow-control);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.flow .node .num{font-family:var(--mono);font-size:11px;fill:var(--accent);font-weight:700}.flow .node .lbl,.flow .node text{font-family:var(--sans);font-size:9px;fill:var(--ink)}.flow .flow-observability{font-size:10px;fill:var(--flow-telemetry);font-family:var(--sans)}.flow a:hover{text-decoration:none}.flow a:hover rect,.flow a:focus rect{fill:var(--accent-weak);stroke:var(--accent)}.flow a:focus{outline:none}.flow .dash{stroke-dasharray:6 8;animation:dash 1.4s linear infinite}@keyframes dash{to{stroke-dashoffset:-28}}.flow .packet{fill:var(--flow-request);filter:drop-shadow(0 0 4px color-mix(in srgb,var(--flow-request) 60%,transparent))}.legend{display:flex;gap:1.2rem;flex-wrap:wrap;margin-top:.9rem;font-size:.82rem;color:var(--muted)}.legend span{display:inline-flex;align-items:center;gap:.4rem}.legend i{width:22px;border-top-width:2px;border-top-style:solid;display:inline-block}.legend i.request{border-color:var(--flow-request)}.legend i.control{border-color:var(--flow-control);border-top-style:dashed}.legend i.telemetry{border-color:var(--flow-telemetry);border-top-style:dashed}.steps{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.6rem}.step{display:grid;grid-template-columns:40px 1fr;gap:.9rem;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.75rem 1rem;scroll-margin-top:5rem}.step:target{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-weak)}.step .n{font-family:var(--mono);font-weight:700;color:#fff;background:var(--accent);width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:.82rem}.step h4{margin:0 0 .12rem;font-size:.96rem}.step p{margin:0;font-size:.88rem;color:var(--muted)}footer.site{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:2.6rem;padding-top:1.1rem;color:var(--muted);font-size:.85rem}footer.site a{margin-left:.9rem}.app-hub{display:block;min-height:100vh}.app-hub .main{min-height:100vh}.content-hub{padding:0}.content-inner-hub{max-width:none;margin:0}.content-inner-hub>section,.content-inner-hub>.ia-refs,.content-inner-hub>footer{padding-left:clamp(1.2rem,5vw,5rem);padding-right:clamp(1.2rem,5vw,5rem)}.ia-hero{min-height:calc(100vh - 3.5rem);display:flex;flex-direction:column;justify-content:center;border-bottom:1px solid var(--line);padding-top:4rem;padding-bottom:4rem;position:relative;overflow:hidden}.ia-hero:before{content:"";position:absolute;inset:auto 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.65}.domain-label{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}.ia-hero h1{font-size:clamp(3.2rem,10vw,8.6rem);line-height:.92;max-width:980px;margin:0 0 1.4rem}.ia-hero h1 span,.ia-cta h2 span{background:var(--gradient-hero);-webkit-background-clip:text;background-clip:text;color:transparent}.ia-lead{font-size:clamp(1.05rem,2vw,1.35rem);max-width:760px}.ia-section{padding-top:4.5rem;padding-bottom:4.5rem}.ia-section h2{max-width:760px;margin-top:.45rem}.ia-section-lead{max-width:640px;margin-top:-.2rem}.ia-domain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.5rem}.ia-domain-card{background:linear-gradient(135deg,#ffffff0d,#ffffff05);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow-soft)}.ia-domain-index{width:2.35rem;height:2.35rem;display:grid;place-items:center;margin-bottom:1rem;border-radius:var(--radius-sm);background:var(--accent-weak);color:var(--accent);font-family:var(--mono);font-weight:700}.ia-domain-card h3{font-size:1.18rem}.ia-domain-card p{margin:.55rem 0 1rem}.ia-domain-card ul{display:grid;gap:.45rem;list-style:none;margin:0;padding:0}.ia-domain-card li{position:relative;color:var(--ink-soft);font-size:.92rem;padding-left:1.1rem}.ia-domain-card li:before{content:"";position:absolute;left:0;top:.68em;width:.4rem;height:.4rem;border-radius:50%;background:var(--accent)}.ia-refs{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap;padding-top:1rem;padding-bottom:1rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--glass)}.ia-refs span{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.ia-refs a{font-size:.84rem;padding:.24rem .55rem;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft)}.ia-refs a:hover{color:var(--ink);background:var(--glass-hover);text-decoration:none}.ia-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin-top:1.4rem}.ia-check-card{display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem}.ia-check-badge{min-width:3rem;padding:.32rem .45rem;border-radius:var(--radius-sm);font-family:var(--mono);font-size:.72rem;text-align:center;font-weight:700}.ia-check-badge.p1{color:var(--red);background:color-mix(in srgb,var(--red) 14%,transparent)}.ia-check-badge.p2{color:var(--cyan);background:color-mix(in srgb,var(--cyan) 14%,transparent)}.ia-check-badge.p3{color:var(--accent);background:var(--accent-weak)}.ia-check-card h3{font-size:1rem;margin:0 0 .2rem}.ia-check-card p{margin:0;font-size:.92rem}.ia-cta{padding-top:5rem;padding-bottom:5rem;background:linear-gradient(135deg,#10b98121,#22d3ee0f);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.ia-cta h2{font-size:clamp(2.2rem,6vw,5rem);border:0;padding:0;margin:0 0 1rem;max-width:760px}.ia-cta p{max-width:620px;font-size:1.08rem}.ia-footer{padding-bottom:2.5rem}@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line)}.topbar{flex-wrap:wrap}.topbar-left,.topbar-actions{width:100%;justify-content:space-between}.hub-menu-panel{position:fixed;top:3.8rem;left:1rem;right:1rem;min-width:0}.grid.cols-3,.grid.cols-2,.matrix,.tech,.spec,.refs .rrow,.gloss,.ia-domain-grid,.ia-check-grid{grid-template-columns:1fr}.ia-hero{min-height:auto}.ia-hero h1{font-size:clamp(3rem,16vw,5.5rem)}footer.site span:last-child{display:flex;flex-wrap:wrap;gap:.65rem}footer.site a{margin-left:0}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}