:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#090a09;--ink-soft:#121410;--paper:#eeeade;--muted:#9a9b91;--line:#eeeade29;--accent:#f0c75e;--danger:#ff735d;--success:#b7ef6f;--cyan:#54d4cb;--stage-progress:0;--ease-out:cubic-bezier(.16, 1, .3, 1);font-synthesis:none;font-family:Helvetica Neue,Neue Haas Grotesk Text,Inter,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:auto;background:var(--ink)}body{background:var(--ink);min-width:320px;color:var(--paper);margin:0;overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}::selection{color:var(--ink);background:var(--accent)}.skip-link{z-index:100;color:var(--ink);background:var(--paper);padding:10px 14px;transition:transform .18s;position:fixed;top:10px;left:10px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.stage{z-index:0;background:var(--ink);pointer-events:none;position:fixed;inset:0;overflow:hidden}#machine-room{width:100%;height:100%;display:block}.stage__wash,.stage__vignette{position:absolute;inset:0}.stage__wash{opacity:.18;background:linear-gradient(90deg,#090a09e0 0%,#090a092e 38%,#0000 70%),linear-gradient(#090a09b8,#0000 22% 75%,#090a09b3);transition:opacity .5s}.stage__vignette{box-shadow:inset 0 0 16vw #000000bf}.pointer-field{opacity:0;width:48px;height:48px;transition:opacity .2s;position:absolute;transform:translate(-50%,-50%)}body.has-pointer .pointer-field{opacity:.7}.pointer-field:before,.pointer-field:after{content:"";border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pointer-field:before{background:var(--accent);width:5px;height:5px;box-shadow:0 0 16px var(--accent)}.pointer-field:after{border:1px solid color-mix(in srgb, var(--accent), transparent 54%);width:38px;height:38px}.pointer-field__bracket{border-color:var(--accent);border-style:solid;width:8px;height:8px;position:absolute}.pointer-field__bracket--a{border-width:1px 0 0 1px;top:0;left:0}.pointer-field__bracket--b{border-width:0 1px 1px 0;bottom:0;right:0}.topbar{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#090a0985;align-items:center;width:100%;height:68px;padding:0 34px;display:flex;position:fixed;top:0;left:0}.wordmark{color:var(--paper);letter-spacing:.16em;align-items:center;gap:10px;font-family:Arial Narrow,Helvetica Neue,sans-serif;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.wordmark__mark{border:1px solid var(--paper);width:27px;height:27px;color:var(--ink);background:var(--paper);letter-spacing:0;place-items:center;display:grid}.wordmark__name{white-space:nowrap}.wordmark__owner{color:var(--muted);letter-spacing:.1em;white-space:nowrap;margin-left:2px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;font-weight:500}.node-selector{color:var(--muted);letter-spacing:.1em;align-items:center;gap:8px;margin-left:28px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.node-selector select{border:1px solid var(--line);width:132px;height:30px;color:var(--paper);background:var(--ink);border-radius:0;padding:0 24px 0 8px;font:10px ui-monospace,SFMono-Regular,Menlo,monospace}.node-selector select:hover,.node-selector select:focus-visible{border-color:var(--accent);outline:none}.system-state{color:var(--muted);letter-spacing:.12em;align-items:center;gap:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.system-state__pulse{background:var(--accent);width:5px;height:5px;box-shadow:0 0 10px var(--accent);border-radius:50%;animation:1.8s ease-in-out infinite pulse}.motion-toggle{border:1px solid var(--line);min-width:38px;height:38px;color:var(--paper);cursor:pointer;background:0 0;justify-content:center;align-items:center;margin-left:auto;display:inline-flex}.motion-toggle:hover,.motion-toggle:focus-visible{border-color:var(--accent);color:var(--accent);outline:none}.motion-toggle__icon{font-size:11px;font-weight:700}.motion-toggle__label{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.telemetry{z-index:12;border-top:1px solid var(--line);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#090a0938;grid-template-columns:repeat(4,1fr);width:292px;padding:13px 0 10px;display:grid;position:fixed;top:92px;right:34px}.telemetry__item{border-left:1px solid var(--line);flex-direction:column;min-width:0;padding:0 10px;display:flex}.telemetry__item:first-child{border-left:0;padding-left:0}.telemetry__value{color:var(--paper);font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;line-height:1}.telemetry__label{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;margin-top:6px;font-size:10px;overflow:hidden}.chapter-nav{z-index:18;flex-direction:column;gap:8px;display:flex;position:fixed;top:50%;left:34px;transform:translateY(-50%)}.chapter-nav__track{z-index:-1;background:var(--line);width:1px;position:absolute;top:14px;bottom:14px;left:3px;overflow:hidden}.chapter-nav__track span{width:100%;height:calc(var(--stage-progress) * 100%);background:var(--accent);display:block}.chapter-nav a{color:#0000;align-items:center;width:44px;height:28px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;text-decoration:none;transition:color .22s;display:flex}.chapter-nav a:before{content:"";border:1px solid var(--muted);background:var(--ink);border-radius:50%;flex:none;width:7px;height:7px;margin-right:7px;transition:transform .22s,border-color .22s,background .22s}.chapter-nav a:hover,.chapter-nav a:focus-visible,.chapter-nav a.is-active{color:var(--paper);outline:none}.chapter-nav a.is-active:before{border-color:var(--accent);background:var(--accent);box-shadow:0 0 12px color-mix(in srgb, var(--accent), transparent 30%);transform:scale(1.25)}.node-inspector{z-index:25;border:1px solid color-mix(in srgb, var(--accent), transparent 45%);opacity:0;min-width:170px;color:var(--paper);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:none;background:#090a09e0;gap:4px;padding:11px 12px;transition:opacity .12s;display:grid;position:fixed;transform:translate(14px,14px)}.node-inspector.is-visible{opacity:1}.node-inspector__eyebrow{color:var(--accent);letter-spacing:.16em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.node-inspector strong{letter-spacing:.02em;font-size:12px}.node-inspector>span:not(.node-inspector__eyebrow,.node-inspector__load){color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.node-inspector__load{background:var(--line);width:100%;height:2px;margin-top:5px;display:block}.node-inspector__load i{background:var(--accent);width:50%;height:100%;display:block}main{z-index:2;position:relative}.chapter{align-items:center;min-height:138vh;padding:16vh 11vw 12vh;display:flex;position:relative}.chapter--hero{align-items:flex-start;min-height:145vh;padding-top:22vh}.chapter--right{justify-content:flex-end}.chapter__copy{z-index:2;width:min(470px,42vw);min-width:0;position:relative}.chapter__copy--wide{width:min(760px,65vw)}.chapter__index{color:var(--muted);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:12px;margin:0 0 32px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.chapter__index:after{content:"";background:var(--line);width:56px;height:1px}.chapter__index span{color:var(--accent)}h1,h2,p{margin-top:0}h1,h2{letter-spacing:0;text-transform:uppercase;overflow-wrap:break-word;max-width:100%;margin-bottom:28px;font-family:Arial Narrow,Helvetica Neue,Arial,sans-serif;font-weight:600;line-height:.83}h1{max-width:900px;font-size:144px}h1 span{color:var(--paper);-webkit-text-stroke:0;white-space:nowrap;display:inline-block}h2{font-size:96px}.chapter__lede{max-width:520px;color:var(--paper);margin-bottom:34px;font-size:24px;font-weight:400;line-height:1.25}.chapter__body{color:#bcbbb2;max-width:440px;margin-bottom:36px;font-size:14px;line-height:1.75}.chapter__facts,.chapter__spec-line{letter-spacing:.12em;text-transform:uppercase;flex-wrap:wrap;gap:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.chapter__facts span,.chapter__spec-line span{border:1px solid var(--line);color:var(--muted);padding:10px 15px}.chapter__facts span:first-child,.chapter__spec-line span:first-child{color:var(--accent);border-color:color-mix(in srgb, var(--accent), transparent 55%)}.chapter__signal{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:auto 1fr;align-items:end;gap:4px 16px;width:220px;padding:14px 0;display:grid}.chapter__signal span{color:var(--accent);letter-spacing:.14em;writing-mode:vertical-rl;grid-row:1/span 2;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.chapter__signal strong{font-size:28px;font-weight:500}.chapter__signal small{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.chapter__bar-group{gap:13px;max-width:370px;display:grid}.chapter__bar-group>div{color:var(--muted);grid-template-columns:122px 1fr 30px;align-items:center;gap:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:grid}.chapter__bar-group i{background:var(--line);height:3px}.chapter__bar-group b{width:var(--fill);background:var(--accent);height:100%;box-shadow:0 0 10px color-mix(in srgb, var(--accent), transparent 40%);transform-origin:0;transition:transform 1.2s var(--ease-out);display:block;transform:scaleX(0)}.chapter.is-current .chapter__bar-group b{transform:scaleX(1)}.chapter__bar-group em{color:var(--paper);text-align:right;font-style:normal}.incident-log{border-top:1px solid var(--line);max-width:400px}.incident-log div{border-bottom:1px solid var(--line);grid-template-columns:80px 1fr auto;gap:12px;padding:10px 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:grid}.incident-log time,.incident-log span{color:var(--muted)}.incident-log strong{color:var(--danger);font-weight:500}.layer-key{color:var(--muted);letter-spacing:.08em;flex-wrap:wrap;gap:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.layer-key span{align-items:center;gap:7px;display:flex}.layer-key i{background:var(--key);width:7px;height:7px;box-shadow:0 0 8px color-mix(in srgb, var(--key), transparent 35%)}.event-caption{border-top:1px solid color-mix(in srgb, var(--accent), transparent 50%);opacity:0;width:220px;transition:opacity .7s ease, transform .7s var(--ease-out);padding-top:10px;position:absolute;top:67%;transform:translateY(18px)}.event-caption.is-visible{opacity:1;transform:translateY(0)}.event-caption--right{right:9vw}.event-caption--left{left:9vw}.event-caption__code{color:var(--accent);letter-spacing:.12em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.event-caption p{color:var(--muted);margin:7px 0 0;font-size:11px;line-height:1.5}.event-caption--danger{border-color:color-mix(in srgb, var(--danger), transparent 40%)}.event-caption--danger .event-caption__code{color:var(--danger)}.scroll-cue{color:var(--muted);letter-spacing:.13em;text-transform:uppercase;flex-direction:column;align-items:center;gap:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex;position:absolute;top:calc(100vh - 126px);bottom:auto;left:50%;transform:translate(-50%)}.scroll-cue i{background:var(--line);width:1px;height:38px;position:relative;overflow:hidden}.scroll-cue i:after{content:"";background:var(--accent);width:100%;height:70%;animation:1.8s ease-in-out infinite scroll-line;position:absolute;top:-100%;left:0}.next-chapter{border-top:1px solid var(--line);width:min(330px,30vw);min-height:58px;color:var(--paper);grid-template-columns:1fr auto;align-content:center;gap:4px 12px;padding:10px 0 10px 16px;text-decoration:none;display:grid;position:absolute;top:calc(100vh - 58px);bottom:auto;right:8vw}.next-chapter span{color:var(--accent);letter-spacing:.13em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.next-chapter strong{letter-spacing:.04em;grid-column:1;font-family:Arial Narrow,Helvetica Neue,Arial,sans-serif;font-size:11px;font-weight:600}.next-chapter i{color:var(--muted);transition:color .2s ease, transform .3s var(--ease-out);grid-area:1/2/span 2;align-self:center;font-style:normal}.next-chapter:hover i,.next-chapter:focus-visible i{color:var(--accent);transform:translateY(4px)}.chapter--final{align-items:flex-start;min-height:158vh;padding-top:17vh}.chapter__copy--final{width:min(520px,44vw)}.response-console{opacity:0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);width:min(510px,43vw);transition:opacity .9s ease, transform .9s var(--ease-out);background:#090a09d1;border:1px solid #eeeade47;position:absolute;top:45vh;right:8vw;transform:translateY(35px);box-shadow:0 26px 90px #0006,0 0 50px #b7ef6f0d}.response-console.is-visible{opacity:1;transform:translateY(0)}.response-console__head,.response-console__foot{color:var(--muted);letter-spacing:.1em;justify-content:space-between;align-items:center;padding:13px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.response-console__head{border-bottom:1px solid var(--line)}.response-console__head span:first-child{align-items:center;gap:8px;display:flex}.response-console__head i{background:var(--success);width:5px;height:5px;box-shadow:0 0 9px var(--success);border-radius:50%}.response-console__prompt,.response-console__answer{grid-template-columns:56px 1fr;padding:20px 16px;display:grid}.response-console__prompt{border-bottom:1px solid var(--line)}.response-console__prompt>span,.response-console__answer>span{color:var(--muted);padding-top:3px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}.response-console__prompt p,.response-console__answer p{overflow-wrap:anywhere;min-width:0;margin:0;font-size:15px;line-height:1.5}.response-console__answer{min-height:110px}.response-console__answer>span{color:var(--success)}.response-console__answer p{font-size:32px;font-weight:400;display:inline}.typing-caret{background:var(--success);vertical-align:-3px;width:2px;height:28px;margin-left:3px;animation:.7s step-end infinite blink;display:inline-block}.response-console__foot{border-top:1px solid var(--line);justify-content:flex-start;gap:18px}.response-console__foot span:first-child{color:var(--success)}.ending{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.1em;justify-content:space-between;align-items:flex-end;padding-top:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex;position:absolute;bottom:8vh;left:8vw;right:8vw}.ending p{color:var(--paper);margin:0}.sr-live,.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:fixed;overflow:hidden}@keyframes pulse{0%,to{opacity:.45;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}@keyframes scroll-line{0%{transform:translateY(0)}to{transform:translateY(285%)}}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}@media (width<=1200px){.wordmark__owner{display:none}h1{font-size:140px}h2{font-size:80px}}@media (width<=900px){.topbar{height:calc(58px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(18px, env(safe-area-inset-right)) 0 max(18px, env(safe-area-inset-left))}.wordmark{min-height:44px;font-size:10px}.wordmark__mark{width:24px;height:24px}.wordmark__owner{display:none}.node-selector{margin-left:16px}.node-selector>span{display:none}.node-selector select{width:94px;height:44px}.system-state{display:none}.motion-toggle{width:44px;min-width:44px;height:44px}.telemetry{top:calc(72px + env(safe-area-inset-top));right:max(18px, env(safe-area-inset-right));left:max(18px, env(safe-area-inset-left));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#090a09f7;width:auto}.telemetry__item{padding:0 9px}.telemetry__value{font-size:13px}.chapter-nav{top:auto;right:max(18px, env(safe-area-inset-right));bottom:max(20px, env(safe-area-inset-bottom));left:max(18px, env(safe-area-inset-left));border:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#090a09c2;flex-direction:row;justify-content:space-between;gap:0;padding:4px 8px;transform:none}.chapter-nav__track{width:auto;height:1px;inset:50% 22px auto}.chapter-nav__track span{width:calc(var(--stage-progress) * 100%);height:100%}.chapter-nav a{justify-content:center;width:36px;height:40px}.chapter-nav a:before{margin:0}.chapter-nav a span{display:none}.stage__wash{opacity:.42;background:linear-gradient(#090a092e 0%,#090a0940 42%,#090a09f0 72%,#090a09 100%)}.chapter,.chapter--hero,.chapter--final{justify-content:flex-start;align-items:flex-end;min-height:150vh;padding:74vh 24px 30vh}.chapter--hero{align-items:flex-start;min-height:155vh;padding-top:24vh}.chapter__copy,.chapter__copy--wide,.chapter__copy--final{width:100%;max-width:580px}h1{font-size:112px}h2{font-size:72px}.chapter__body{font-size:13px}.event-caption{width:190px;top:54%;left:auto;right:24px}.scroll-cue{top:calc(100vh - 206px);bottom:auto}.next-chapter{width:min(270px,100vw - 40px);top:calc(100vh - 58px);bottom:auto;right:20px}.chapter--hero .next-chapter{top:calc(100vh - 126px)}.response-console{width:100%;max-width:580px;margin-top:34px;position:relative;inset:auto}.chapter--final{min-height:170vh;padding-top:72vh;padding-bottom:36vh;display:block}.ending{gap:8px;display:grid;bottom:15vh;left:24px;right:24px}.node-inspector{right:max(18px, env(safe-area-inset-right));bottom:calc(68px + env(safe-area-inset-bottom));min-width:0;transform:none;top:auto!important;left:max(18px, env(safe-area-inset-left))!important}.stage{opacity:1;transform:none}.stage__wash{opacity:.52}.chapter,.chapter--hero{flex-direction:column;justify-content:flex-end;align-items:flex-start}.chapter--hero{justify-content:flex-start;padding-top:42vh}.event-caption{width:100%;max-width:520px;margin-top:24px;position:static;top:auto;left:auto;right:auto;opacity:1!important;transform:none!important}.next-chapter,.scroll-cue{display:none}.chapter__copy,.chapter__copy--wide,.chapter__copy--final{text-shadow:0 2px 18px #090a09f5,0 0 6px #090a09d9}}@media (width<=760px){h1{font-size:96px}h2{font-size:64px}}@media (width<=630px){h1{font-size:84px}h2{font-size:56px}}@media (width<=520px){.node-selector{margin-left:10px}.node-selector select{width:116px}.telemetry__item--throughput{display:none}.telemetry{grid-template-columns:repeat(3,1fr)}.chapter,.chapter--hero{padding-right:max(20px, env(safe-area-inset-right));padding-left:max(20px, env(safe-area-inset-left))}.chapter__index{margin-bottom:24px}h1,h2{margin-bottom:22px}h1{font-size:64px}h2{font-size:40px}.chapter__lede{font-size:17px}.chapter__facts span{padding:8px 9px;font-size:10px}.chapter__bar-group>div{grid-template-columns:108px 1fr 26px;gap:7px;font-size:10px}.incident-log div{grid-template-columns:70px 1fr auto;gap:8px;font-size:10px}.response-console__prompt,.response-console__answer{grid-template-columns:43px 1fr;padding:16px 13px}.response-console__answer p{font-size:24px;line-height:1.25}.response-console__head,.response-console__foot{padding-left:13px;padding-right:13px;font-size:10px}.response-console__foot{gap:10px}}@media (width<=400px){h1{font-size:56px}h2{font-size:36px}}@media (width<=900px) and (height<=500px){.topbar{height:50px}.telemetry{display:none}.chapter,.chapter--hero,.chapter--final{min-height:190vh;padding-top:72vh;padding-bottom:38vh}.chapter--hero{align-items:flex-start;padding-top:22vh}h1{font-size:64px}h2{font-size:48px}.chapter__index{margin-bottom:14px}.chapter__lede{max-width:430px;margin-bottom:14px;font-size:14px}.chapter__facts span{padding-top:6px;padding-bottom:6px}.scroll-cue,.event-caption{display:none}.next-chapter{top:calc(100vh - 58px);right:62px}.chapter--hero .next-chapter{top:calc(100vh - 58px)}.chapter-nav{flex-direction:column;gap:1px;width:44px;padding:3px;inset:calc(50% + 25px) 8px auto auto;transform:translateY(-50%)}.chapter-nav a{width:36px;height:36px}.chapter-nav__track{width:1px;height:auto;inset:17px auto 17px 50%;transform:translate(-50%)}.chapter-nav__track span{width:100%;height:calc(var(--stage-progress) * 100%)}.response-console{width:min(460px,56vw);bottom:28vh;left:auto;right:18px}.ending{bottom:16vh}}@media (width<=360px){.wordmark>span:not(.wordmark__mark){display:none}.node-selector select{width:132px}h2{font-size:34px}h1{font-size:50px}.chapter__lede{font-size:16px}.response-console__answer p{font-size:22px}}@media (width<=900px) and (height<=319px){.chapter-nav{top:calc(50% + 25px)}.chapter-nav a{width:32px;height:32px}}@media (pointer:coarse){.pointer-field{display:none}}body.motion-paused *,body.motion-paused :before,body.motion-paused :after{animation-play-state:paused!important}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}