:root{--paper: #04060a;--paper-2: #0a0d13;--receipt: #0c1016;--paper-white: #f2f4f1;--ink-on-paper: #11161b;--ink: #dfe6ee;--ink-2: #8d9aaa;--ink-3: #525d6b;--rule: #1a2029;--stamp: #8fa3ff;--stamp-soft: #141c3a;--ok: #3df28a;--warn: #ffb020;--bad: #ff5c5c;--ok-bg: #0a2217;--warn-bg: #2a2008;--bad-bg: #2e1111;--ok-ink: #9df5c3;--bad-ink: #ffb3b3;--cell-on: #232c3a;--code-bg: #020305;--code-fg: #c9d2dc;--btn-bg: #dfe6ee;--btn-fg: #04060a;--btn-hover: #ffffff;--shadow: rgba(0, 0, 0, .75);--grid: rgba(143, 163, 255, .04);--glow: rgba(143, 163, 255, .4);color-scheme:dark;--sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--measure: 62ch;--gutter: clamp(16px, 4vw, 48px);--max: 1180px;--radius: 6px;--radius-sm: 4px;--ease-out: cubic-bezier(.2, .7, .2, 1);--t-fast: .16s;--t-med: .32s}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){--paper: #e9edf0;--paper-2: #dde3e8;--receipt: #f6f8fa;--ink: #11161b;--ink-2: #4b5967;--ink-3: #7e8c9a;--rule: #c4cdd6;--stamp: #3d4fcc;--stamp-soft: #dfe3fb;--ok: #0f8a4a;--warn: #a56a00;--bad: #c62828;--ok-bg: #d9f3e4;--warn-bg: #fbeccf;--bad-bg: #f8dcdc;--ok-ink: #0b5c31;--bad-ink: #7a1a1a;--cell-on: #aeb9c6;--code-bg: #11161b;--code-fg: #e6ebef;--btn-bg: #11161b;--btn-fg: #f6f8fa;--btn-hover: #2a333d;--shadow: rgba(17, 22, 27, .3);--grid: rgba(17, 22, 27, .06);--glow: rgba(61, 79, 204, .3);color-scheme:light}}:root[data-theme=light]{--paper: #e9edf0;--paper-2: #dde3e8;--receipt: #f6f8fa;--ink: #11161b;--ink-2: #4b5967;--ink-3: #7e8c9a;--rule: #c4cdd6;--stamp: #3d4fcc;--stamp-soft: #dfe3fb;--ok: #0f8a4a;--warn: #a56a00;--bad: #c62828;--ok-bg: #d9f3e4;--warn-bg: #fbeccf;--bad-bg: #f8dcdc;--ok-ink: #0b5c31;--bad-ink: #7a1a1a;--cell-on: #aeb9c6;--code-bg: #11161b;--code-fg: #e6ebef;--btn-bg: #11161b;--btn-fg: #f6f8fa;--btn-hover: #2a333d;--shadow: rgba(17, 22, 27, .3);--grid: rgba(17, 22, 27, .06);--glow: rgba(61, 79, 204, .3);color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px;background-attachment:fixed;color:var(--ink);font:400 17px/1.5 var(--sans);font-feature-settings:"ss01","cv11";letter-spacing:-.005em;min-height:100dvh;display:flex;flex-direction:column}main{flex:1}h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.1}h1{font-size:clamp(2.4rem,6vw,4.4rem);letter-spacing:-.035em;font-weight:600}h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}h3{font-size:1.2rem}p{margin:0;max-width:var(--measure)}p+p{margin-top:.9em}a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--stamp)}code,pre,kbd{font-family:var(--mono);font-size:.9em}pre{margin:0;padding:14px 16px;background:var(--code-bg);color:var(--code-fg);border-radius:var(--radius-sm);overflow-x:auto;line-height:1.5}pre code{font-size:13.5px}button{font:inherit;color:inherit}img,svg,canvas{display:block;max-width:100%}:focus-visible{outline:2px solid var(--stamp);outline-offset:3px;border-radius:3px}.skip{position:absolute;left:-999px;top:8px;background:var(--btn-bg);color:var(--btn-fg);padding:8px 12px;border-radius:6px;z-index:100}.skip:focus{left:8px}.muted{color:var(--ink-2)}.small{font-size:.92rem}.container{width:min(100% - 2 * var(--gutter),var(--max));margin-inline:auto}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.is-preview .reveal{opacity:1;transform:none;transition:none}.preview-banner{background:#0a0d12;color:#d7dee7;font-size:.9rem;padding:8px var(--gutter);text-align:center}.preview-banner b{color:#9fb0ff;margin-right:6px}.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color var(--t-med)}.topbar.is-scrolled{border-bottom-color:var(--rule)}.topbar .container{display:flex;align-items:center;gap:28px;height:64px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:-.02em}.brand svg{width:24px;height:24px}.nav{display:flex;gap:4px;margin-left:8px}.nav a{text-decoration:none;padding:8px 12px;border-radius:var(--radius-sm);color:var(--ink-2);font-weight:500;font-size:.97rem;transition:background var(--t-fast),color var(--t-fast)}.nav a:hover{background:var(--paper-2);color:var(--ink)}.nav a[aria-current=page]{color:var(--ink);background:var(--paper-2)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.node-pill{text-decoration:none}.node-pill[hidden]{display:none}.pulse{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--ink-2)}.pulse i{width:8px;height:8px;border-radius:50%;background:var(--ink-3)}.pulse.is-live i{background:var(--ok);box-shadow:0 0 8px var(--ok);animation:pulse 2.4s infinite}@keyframes pulse{0%{box-shadow:0 0 color-mix(in srgb,var(--ok) 45%,transparent)}70%{box-shadow:0 0 0 8px transparent}to{box-shadow:0 0 0 0 transparent}}@media (max-width: 820px){.nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px var(--gutter) 16px}.nav.is-open{display:flex}.pulse span{display:none}}.theme-btn{width:36px;height:36px;border-radius:8px;border:1px solid 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9px;border-radius:3px;font-size:.8rem;font-weight:500;font-family:var(--mono);background:var(--paper-2);color:var(--ink-2)}.tag.ok{background:var(--ok-bg);color:var(--ok)}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.bad{background:var(--bad-bg);color:var(--bad)}.tag.stamp{background:var(--stamp-soft);color:var(--stamp);border:1px solid color-mix(in srgb,var(--stamp) 40%,transparent)}.notice{padding:12px 14px;border-radius:9px;background:var(--paper-2);font-size:.95rem}.notice.bad{background:var(--bad-bg);color:var(--bad-ink)}.notice.ok{background:var(--ok-bg);color:var(--ok-ink)}.section{padding-block:clamp(56px,9vw,120px)}.section+.section{padding-top:0}.section-head{display:grid;gap:14px;margin-bottom:clamp(28px,4vw,48px);max-width:720px}.section-head p{font-size:1.1rem;color:var(--ink-2)}.section-head h1{font-size:clamp(2rem,4.5vw,3.2rem)}.grid-2>*,.grid-3>*{min-width:0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}@media (max-width: 860px){.grid-2,.grid-3{grid-template-columns:1fr}}.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}.reveal.in{opacity:1;transform:none}.reveal[data-delay="1"]{transition-delay:90ms}.reveal[data-delay="2"]{transition-delay:.18s}.reveal[data-delay="3"]{transition-delay:.27s}.receipt{--w: 340px;width:var(--w);max-width:100%;font-family:var(--mono);font-size:13px;line-height:1.55;color:var(--ink-on-paper);background:var(--paper-white);padding:22px 22px 28px;position:relative;box-shadow:0 14px 40px -18px var(--shadow);-webkit-mask:linear-gradient(#000 0 0) top/100% calc(100% - 10px) no-repeat,radial-gradient(circle at 50% 100%,transparent 6px,#000 6.5px) bottom/14px 10px repeat-x;mask:linear-gradient(#000 0 0) top/100% calc(100% - 10px) no-repeat,radial-gradient(circle at 50% 100%,transparent 6px,#000 6.5px) bottom/14px 10px repeat-x;mask-composite:add}.receipt .head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.receipt .head b{font-family:var(--sans);font-size:15px;letter-spacing:-.01em}.receipt .dots{border:0;border-top:1px dashed #cbd3dd;margin:10px 0}.receipt .line{display:flex;justify-content:space-between;gap:12px}.receipt .line span:first-child{color:#4a5566}.receipt .line span:last-child{text-align:right;word-break:break-all}.receipt .big{font-size:15px;font-weight:500}.receipt .sig{color:#8390a3;font-size:11px;word-break:break-all;line-height:1.4}.receipt .stamped{position:absolute;left:42%;bottom:30px;font-family:var(--sans);font-weight:700;font-size:12px;letter-spacing:.06em;color:#2745d6;border:2px solid #2745d6;border-radius:6px;padding:3px 8px;transform:rotate(-9deg);opacity:0;mix-blend-mode:multiply}.receipt.is-verified .stamped{animation:stamp .42s var(--ease-out) forwards}@keyframes stamp{0%{opacity:0;transform:rotate(-9deg) scale(1.9)}60%{opacity:1;transform:rotate(-9deg) scale(.96)}to{opacity:.92;transform:rotate(-9deg) scale(1)}}.printer{--w: 340px;position:relative;display:grid;justify-items:center;width:100%}.printer .slot{width:min(100%,calc(var(--w) + 28px));height:14px;border-radius:7px;background:#1a2029;border:1px solid #2b3441;box-shadow:inset 0 2px 4px #0009;position:relative;z-index:2}.printer .paper{overflow:hidden;margin-top:-4px;width:min(100%,var(--w))}.printer .receipt{width:100%}.printer .receipt{clip-path:inset(0 0 100% 0)}.printer.is-printing .receipt{animation:feed 1.4s var(--ease-out) forwards}@keyframes feed{0%{clip-path:inset(0 0 100% 0);transform:translateY(-100%)}to{clip-path:inset(0 0 0 0);transform:none}}.printer .receipt.is-static{clip-path:none}.hero{position:relative;display:grid;align-items:center;overflow:hidden;padding-block:clamp(40px,7vw,96px) clamp(32px,5vw,64px)}.hero-field{position:absolute;inset:0;width:100%;height:100%;z-index:0}.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,80px);align-items:center}.hero-copy{max-width:620px}.hero-title{max-width:11ch}.hero-title .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-right:.22em}.hero-title .w>span{display:inline-block;transform:translateY(110%);animation:rise .72s var(--ease-out) forwards;animation-delay:calc(var(--i) * 70ms + 80ms)}@keyframes rise{to{transform:none}}.hero .lede{font-size:clamp(1.08rem,1.5vw,1.25rem);color:var(--ink-2);margin-top:22px;max-width:44ch}.hero .actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.hero .test-note{display:block;margin-top:10px;min-height:1.4em}.hero-receipt{justify-self:end;width:min(100%,380px)}.hero .caption{margin-top:14px;font-size:.9rem;color:var(--ink-2);text-align:center;min-height:1.4em}.field-tip{position:fixed;z-index:30;background:var(--code-bg);color:var(--code-fg);border:1px solid var(--rule);font-size:12px;padding:5px 9px;border-radius:6px;pointer-events:none;white-space:nowrap}@media (max-width: 860px){.hero-inner{grid-template-columns:1fr}.hero-receipt{justify-self:center}.hero{min-height:0}}.page{animation:page-in .36s var(--ease-out)}@keyframes page-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}::view-transition-old(root){animation:.16s ease-out both fade-out}::view-transition-new(root){animation:.26s var(--ease-out) both fade-in}@keyframes fade-out{to{opacity:0}}@keyframes fade-in{0%{opacity:0;transform:translateY(6px)}}.strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--rule);border-radius:var(--radius);background:var(--receipt);overflow:hidden}.strip>div{padding:18px 20px;border-right:1px solid var(--rule)}.strip>div:last-child{border-right:0}.strip .n{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:500;font-family:var(--mono);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1}.strip .l{font-size:.85rem;color:var(--ink-2);margin-top:4px;font-family:var(--mono)}@media (max-width: 860px){.strip{grid-template-columns:repeat(2,1fr)}.strip>div:nth-child(2n){border-right:0}.strip>div{border-bottom:1px solid var(--rule)}}.trace{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:start}.trace-steps{display:grid;gap:4px}.trace-step{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:14px 12px;border-radius:10px;cursor:pointer;transition:background var(--t-fast);border:1px solid transparent}.trace-step:hover{background:var(--paper-2)}.trace-step.is-active{background:var(--receipt);border-color:var(--rule)}.trace-step .num{font-variant-numeric:tabular-nums;color:var(--ink-3);font-weight:500;padding-top:2px}.trace-step.is-active .num{color:var(--stamp)}.trace-step h3{font-size:1.05rem}.trace-step p{color:var(--ink-2);font-size:.95rem;margin-top:4px}.trace-stage{position:sticky;top:88px}.trace-stage .card{display:grid}.trace-card{background:#020305;border-color:#1a2130;overflow:hidden}.trace-canvas{width:100%;height:clamp(300px,36vw,420px);display:block}.trace-stage .stage-note{font-size:.92rem;color:#9aa7b8;padding:12px 16px 14px;border-top:1px solid #1a2130;margin:0}@media (max-width: 860px){.trace{grid-template-columns:1fr}.trace-stage{position:static}}.paths .card{display:grid;gap:14px;align-content:start}.paths h3{font-size:1.35rem}.paths ul{margin:0;padding-left:18px;color:var(--ink-2);display:grid;gap:6px}.map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.map .col{display:grid;gap:10px;align-content:start}.map .col-h{display:flex;justify-content:space-between;align-items:baseline;font-size:.95rem}.map .col-h b{font-weight:600}.map .col-h span{color:var(--ink-3);font-variant-numeric:tabular-nums}.cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(22px,1fr));gap:6px;min-height:60px}.cell{aspect-ratio:1;border-radius:4px;background:var(--paper-2);transition:background var(--t-med),transform var(--t-med) var(--ease-out),box-shadow var(--t-med);position:relative}.cell.online{background:var(--cell-on)}.cell.busy{background:var(--stamp);box-shadow:0 0 10px var(--glow);animation:busy 1.1s ease-in-out infinite alternate}.cell.done{background:var(--ok);box-shadow:0 0 10px var(--ok);transform:scale(1.25);z-index:1}.cell.ghost{background:transparent;outline:1px dashed var(--rule);outline-offset:-1px}@keyframes busy{0%{box-shadow:0 0 0 0 var(--stamp-soft)}to{box-shadow:0 0 0 4px var(--stamp-soft)}}.cell[title]:hover:after{content:attr(title);position:absolute;left:50%;bottom:calc(100% + 6px);transform:translate(-50%);background:var(--ink);color:var(--paper);font-size:11px;padding:4px 7px;border-radius:5px;white-space:nowrap;z-index:5;pointer-events:none}@media (max-width: 860px){.map{grid-template-columns:1fr 1fr}}.feed{font-family:var(--mono);font-size:12.5px;line-height:1.6;max-height:360px;overflow:auto;display:grid;align-content:start;gap:2px}.feed div{display:grid;grid-template-columns:64px 76px 1fr;gap:12px;padding:4px 8px;border-radius:5px;opacity:0;animation:slide-in .32s var(--ease-out) forwards}.feed a{color:inherit;text-decoration:none;border-bottom:1px dotted var(--ink-3);word-break:break-all}.feed a:hover{color:var(--stamp);border-bottom-color:var(--stamp)}.feed div>span:last-child{word-break:break-all}.feed .t{color:var(--ink-3)}.feed .k{font-weight:500}.feed .k.done{color:var(--ok)}.feed .k.failed{color:var(--bad)}.feed .k.queued,.feed .k.assigned{color:var(--stamp)}@keyframes slide-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.spark{width:100%;height:56px}.chat{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}.chat-log{display:grid;gap:14px;min-height:320px;max-height:60vh;overflow:auto;padding:4px}.msg{max-width:72ch;padding:12px 16px;border-radius:14px;white-space:pre-wrap;line-height:1.5}.msg.user{justify-self:end;background:var(--btn-bg);color:var(--btn-fg);border-bottom-right-radius:4px}.msg.assistant{background:var(--receipt);border:1px solid var(--rule);border-bottom-left-radius:4px}.msg.system{font-size:.9rem;color:var(--ink-2);justify-self:center;background:transparent;padding:4px}.chat-compose{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px}.route{display:grid;gap:8px}.route .step{display:grid;grid-template-columns:18px 1fr auto;align-items:center;gap:10px;font-size:.93rem;color:var(--ink-3)}.route .step i{width:10px;height:10px;border-radius:50%;border:2px solid 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