@font-face{font-family:Space Grotesk;font-style:normal;font-display:swap;font-weight:500;src:url(./space-grotesk-latin-500-normal-lFbtlQH6.woff2) format("woff2"),url(./space-grotesk-latin-500-normal-CNSSEhBt.woff) format("woff")}@font-face{font-family:Space Grotesk;font-style:normal;font-display:swap;font-weight:600;src:url(./space-grotesk-latin-600-normal-DjKNqYRj.woff2) format("woff2"),url(./space-grotesk-latin-600-normal-BflQw4A9.woff) format("woff")}@font-face{font-family:Space Grotesk;font-style:normal;font-display:swap;font-weight:700;src:url(./space-grotesk-latin-700-normal-RjhwGPKo.woff2) format("woff2"),url(./space-grotesk-latin-700-normal-CwsQ-cCU.woff) format("woff")}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-latin-400-normal-C38fXH4l.woff2) format("woff2"),url(./inter-latin-400-normal-CyCys3Eg.woff) format("woff")}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-latin-500-normal-Cerq10X2.woff2) format("woff2"),url(./inter-latin-500-normal-BL9OpVg8.woff) format("woff")}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-latin-600-normal-LgqL8muc.woff2) format("woff2"),url(./inter-latin-600-normal-CiBQ2DWP.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-latin-400-normal-DMJ8VG8y.woff2) format("woff2"),url(./ibm-plex-mono-latin-400-normal-CvHOgSBP.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-latin-500-normal-DSY6xOcd.woff2) format("woff2"),url(./ibm-plex-mono-latin-500-normal-CB9ihrfo.woff) format("woff")}:root{font-family:Inter,sans-serif;color:#edf3f6;background:#080b10;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--hangar: #080b10;--panel: #10161d;--raised: #17212b;--frost: #edf3f6;--gray: #92a3ad;--line: #283642;--cyan: #62d7f2;--amber: #ff9a4d;--titanium: #a9b4ba;--gunmetal: #4c5a64}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}body{margin:0;min-width:320px;background:var(--hangar)}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{color:inherit}a{text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed}img,svg,canvas{display:block}::selection{color:var(--hangar);background:var(--cyan)}:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}.site-shell{min-height:100vh;overflow:clip}.page-width{width:min(calc(100% - 64px),1520px);margin-inline:auto}.section-space{padding:120px 0}.eyebrow{margin:0 0 24px;color:var(--cyan);font:500 12px/1.4 IBM Plex Mono,monospace;letter-spacing:.13em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Space Grotesk,sans-serif}h2{margin-bottom:0;font-size:clamp(42px,4.1vw,64px);font-weight:600;line-height:1.03;letter-spacing:-.04em}.skip-link{position:fixed;z-index:100;top:8px;left:8px;padding:12px 16px;background:var(--cyan);color:var(--hangar);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;z-index:50;top:0;height:72px;border-bottom:1px solid var(--line);background:#080b10f0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{width:min(calc(100% - 64px),1520px);height:100%;margin-inline:auto;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;flex:none;font:600 18px/1 Space Grotesk,sans-serif;letter-spacing:-.025em}.brand-mark{position:relative;display:block;width:25px;height:25px}.brand-mark i{position:absolute;border:1.5px solid var(--cyan);border-right-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(45deg)}.brand-mark i:nth-child(1){top:1px;right:1px;bottom:1px;left:1px}.brand-mark i:nth-child(2){top:6px;right:6px;bottom:6px;left:6px}.brand-mark i:nth-child(3){top:11px;right:11px;bottom:11px;left:11px}.header-model{color:var(--gray);font:400 13px/1.4 IBM Plex Mono,monospace;letter-spacing:.05em;white-space:nowrap}.desktop-nav{display:flex;align-items:center;gap:26px;margin-left:auto}.desktop-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;color:#c0ccd2;font-size:13px;font-weight:500;white-space:nowrap;transition:color .16s}.desktop-nav a:after{position:absolute;right:0;bottom:6px;left:0;height:1px;background:var(--cyan);content:"";transform:scaleX(0);transform-origin:left;transition:transform .16s}.desktop-nav a:hover,.desktop-nav a:focus-visible{color:var(--frost)}.desktop-nav a:hover:after,.desktop-nav a:focus-visible:after{transform:scaleX(1)}.menu-button{display:none;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;margin-left:auto;border:0;background:transparent;font-size:13px}.mobile-nav{display:none}.hero{min-height:max(720px,calc(100svh - 72px));display:flex;align-items:center;padding:32px 0 40px}.hero-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:center}.hero-copy{grid-column:1 / 5;animation:copy-enter .42s ease-out both}.hero-copy h1{max-width:590px;margin-bottom:28px;font-size:clamp(58px,5vw,72px);font-weight:600;line-height:.98;letter-spacing:-.055em}.hero-body{max-width:58ch;margin-bottom:32px;color:#b8c5cc;font-size:17px;line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:3px;font-size:14px;font-weight:600;line-height:1.2;transition:opacity .16s,transform .16s,background-color .16s,border-color .16s}.button:hover{transform:translateY(-2px)}.button--primary{border-color:var(--cyan);background:var(--cyan);color:var(--hangar)}.button--primary:hover{background:#87e3f7}.button--secondary{border-color:var(--line);background:var(--panel);color:var(--frost)}.button--secondary:hover{border-color:var(--gunmetal);background:var(--raised)}.button:disabled{border-color:var(--line);background:var(--raised);color:var(--gray);opacity:.55;transform:none}.text-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:#c5d1d7;font-size:14px;font-weight:500}.text-link svg,.guide-action svg{transition:transform .16s}.text-link:hover svg,.guide-action:hover svg,.guide-action:focus-visible svg{transform:translate(4px)}.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-facts>div{min-width:0;padding:18px 14px 18px 0}.hero-facts>div+div{padding-left:14px;border-left:1px solid var(--line)}.hero-facts strong{display:block;margin-bottom:6px;font:500 25px/1 Space Grotesk,sans-serif}.hero-facts span{display:block;color:var(--gray);font:400 13px/1.4 IBM Plex Mono,monospace}.hero-figure{grid-column:5 / 13;min-width:0;margin:0}.hero-scene-enter{height:min(61svh,650px);min-height:480px;animation:engine-enter .56s ease-out both}.figure-caption{display:flex;justify-content:space-between;gap:16px;padding:4px 0 14px;color:var(--gray);font:400 13px/1.5 IBM Plex Mono,monospace}.figure-caption span:last-child{text-align:right}.hero-control-strip{display:grid;grid-template-columns:minmax(180px,1fr) auto;gap:24px;align-items:center;padding:14px 0 0;border-top:1px solid var(--line)}.throttle-control{min-width:0}.throttle-label-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px}.throttle-label-row label{display:inline-flex;align-items:center;gap:8px;color:#c5d1d7;font:500 13px/1 IBM Plex Mono,monospace;text-transform:uppercase;letter-spacing:.08em}.throttle-label-row label svg{color:var(--cyan)}.throttle-value{color:var(--frost);font:500 28px/1 IBM Plex Mono,monospace}.throttle-value span{margin-left:3px;color:var(--cyan);font-size:14px}.throttle-range{width:100%;height:44px;margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer}.throttle-range::-webkit-slider-runnable-track{height:2px;background:linear-gradient(to right,var(--cyan) 0 var(--range-progress),var(--line) var(--range-progress) 100%)}.throttle-range::-moz-range-track{height:2px;background:linear-gradient(to right,var(--cyan) 0 var(--range-progress),var(--line) var(--range-progress) 100%)}.throttle-range::-webkit-slider-thumb{width:15px;height:15px;margin-top:-6.5px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:3px solid var(--hangar);border-radius:50%;background:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}.throttle-range::-moz-range-thumb{width:11px;height:11px;border:3px solid var(--hangar);border-radius:50%;background:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}.range-extents{display:flex;justify-content:space-between;margin-top:-7px;color:var(--gray);font:400 13px/1 IBM Plex Mono,monospace}.transport-group{display:flex;gap:10px}.transport-button{white-space:nowrap}.engine-scene{position:relative;width:100%;height:100%;min-width:0;overflow:hidden}.engine-canvas{position:absolute;top:0;right:0;bottom:0;left:0}.engine-canvas canvas{width:100%;height:100%;touch-action:pan-y}.scene-leaders{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible;pointer-events:none}.scene-leaders line{stroke:#6c7c86;stroke-width:.8;vector-effect:non-scaling-stroke;transition:opacity .16s}.scene-leaders .leader-active{stroke:var(--cyan)}.scene-callout{position:absolute;top:0;left:0;max-width:140px;padding:4px 6px;border-left:1px solid #6c7c86;background:#080b10c2;color:#c5d1d7;font:400 11px/1.35 IBM Plex Mono,monospace;letter-spacing:.03em;white-space:nowrap;pointer-events:none;transition:opacity .16s}.scene-callout--active{border-color:var(--cyan);color:var(--cyan)}.scene-fallback{height:100%;display:flex;flex-direction:column;justify-content:center}.scene-fallback svg{width:100%;max-height:calc(100% - 36px)}.scene-fallback p{margin:8px 0 0;color:var(--gray);font-size:13px;text-align:center}.section-heading{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:end;margin-bottom:64px}.section-heading>div{grid-column:1 / 9}.section-heading>p{grid-column:9 / 13;max-width:60ch;margin-bottom:4px;color:var(--gray);font-size:16px;line-height:1.7}.tour-section{padding-bottom:0}.tour-track{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:start}.tour-sticky{position:sticky;top:72px;grid-column:1 / 9;height:calc(100svh - 72px);min-width:0;display:flex;flex-direction:column}.tour-scene-wrap{position:relative;flex:1;min-height:0}.tour-state-readout{position:absolute;bottom:28px;left:0;display:flex;align-items:center;gap:12px;color:#c3d0d6;font:400 13px/1 IBM Plex Mono,monospace}.tour-state-readout svg,.tour-state-readout span:first-of-type{color:var(--cyan)}.tour-state-readout span:last-child{padding-left:12px;border-left:1px solid var(--line)}.tour-progress{position:absolute;right:0;bottom:0;left:0;height:2px;overflow:hidden;background:var(--line)}.tour-progress span{display:block;width:100%;height:100%;background:var(--cyan);transform-origin:left}.tour-step-rail{grid-column:9 / 13;min-width:0}.tour-step{width:100%;min-height:112svh;display:flex;align-items:center;gap:20px;padding:24px 0;border:0;background:transparent;color:var(--frost);text-align:left;opacity:.2;transition:opacity .16s,transform .16s}.tour-step.is-active{opacity:1;transform:translate(4px)}.step-index{flex:none;color:var(--cyan);font:500 13px/1 IBM Plex Mono,monospace}.step-content{display:block}.step-title{display:block;margin-bottom:18px;font:500 29px/1.08 Space Grotesk,sans-serif;letter-spacing:-.03em}.step-body{display:block;max-width:52ch;color:var(--gray);font-size:15px;line-height:1.75}.tour-mobile-step{display:none}.stage-list{margin-top:40px;padding-bottom:100px}.stage-list-button{width:100%;min-height:112px;display:grid;grid-template-columns:52px 1fr 28px;gap:16px;align-items:center;padding:24px 0;border:0;border-top:1px solid var(--line);background:transparent;color:var(--frost);text-align:left;transition:background-color .16s}.stage-list-button:last-child{border-bottom:1px solid var(--line)}.stage-list-button:hover,.stage-list-button:focus-visible{background:#17212b73}.stage-list-number{color:var(--gray);font:400 13px/1 IBM Plex Mono,monospace}.stage-list-main{display:grid;grid-template-columns:.8fr .9fr 1.25fr 1.25fr;gap:24px;align-items:center}.stage-list-main strong{font:500 20px/1.25 Space Grotesk,sans-serif}.stage-list-button.is-active .stage-list-main strong,.stage-list-button.is-active>svg{color:var(--cyan)}.stage-list-main>span{color:#c0ccd2;font:400 13px/1.5 IBM Plex Mono,monospace}.stage-list-main small{color:var(--gray);font-size:14px;line-height:1.55}.stage-list-button>svg{justify-self:end}.airflow-section{border-top:1px solid var(--line);background:#0a0e13}.lab-layout{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:start}.lab-visuals{grid-column:1 / 8;min-width:0}.airflow-diagram{width:100%;height:auto;min-height:300px}.diagram-stage-labels text{fill:#c5d1d7;font:400 14px IBM Plex Mono,monospace}.diagram-labels-mobile,.diagram-flow-key-mobile{display:none}.diagram-stage-labels line{stroke:var(--line);stroke-width:1}.flow-base{fill:none;stroke:var(--cyan);stroke-width:9;opacity:.12}.flow-dashes{fill:none;stroke:var(--cyan);stroke-width:2.5;stroke-dasharray:11 15;stroke-linecap:round}.flow-core .flow-base{stroke-width:12}.flow-core .flow-dashes{stroke-width:3}.flow-dashes.is-moving{animation:dash-flow 1.1s linear infinite}.diagram-flow-key circle{fill:var(--cyan)}.diagram-flow-key line{stroke:var(--amber);stroke-width:3}.diagram-flow-key text{fill:var(--gray);font:400 12px IBM Plex Mono,monospace;letter-spacing:.06em}.lab-scene{height:310px;margin-top:20px;border-top:1px solid var(--line)}.instrument-panel{grid-column:8 / 13;min-width:0;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.throttle-control--large .throttle-value{font-size:48px}.throttle-control--large .throttle-label-row{min-height:52px}.lab-transports{display:flex;flex-wrap:wrap;gap:10px;padding:20px 0;border-top:1px solid var(--line)}.flow-toggles{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:20px 0;border-top:1px solid var(--line)}.flow-toggle{min-height:44px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--raised);color:var(--gray);font-size:13px;transition:opacity .16s,border-color .16s}.flow-toggle i{width:7px;height:7px;margin-left:auto;border-radius:50%;background:var(--gunmetal)}.flow-toggle.is-on{border-color:#3c7683;color:var(--frost)}.flow-toggle.is-on svg{color:var(--cyan)}.flow-toggle.is-on i{background:var(--cyan)}.flow-toggle.core-toggle.is-on i{background:var(--amber)}.airflow-hidden{grid-column:1 / -1;color:var(--amber);font:400 13px/1.4 IBM Plex Mono,monospace}.spool-readouts{padding:4px 0 20px;border-top:1px solid var(--line)}.spool-readout{padding-top:18px}.spool-readout>div{display:flex;justify-content:space-between;gap:16px;align-items:baseline}.spool-readout>div span{color:var(--cyan);font:500 13px/1 IBM Plex Mono,monospace}.spool-readout strong{font:400 14px/1.3 IBM Plex Mono,monospace}.ratio-track{display:block;width:100%;height:2px;margin-top:12px;background:var(--line)}.ratio-track i{display:block;height:100%;background:var(--cyan)}.ratio-note{margin:16px 0 0;color:var(--gray);font-size:13px;line-height:1.55}.spool-explanations>div{display:grid;grid-template-columns:minmax(140px,.75fr) 1.25fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}.spool-explanations span{color:#c2ced4;font:400 12px/1.55 IBM Plex Mono,monospace}.spool-explanations p{margin:0;color:var(--gray);font-size:14px;line-height:1.55}.guide-section{border-top:1px solid var(--line)}.guide-layout{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:start}.guide-heading{position:sticky;top:112px;grid-column:1 / 5}.guide-heading h2{margin-bottom:28px}.guide-heading>p:last-child{max-width:52ch;color:var(--gray);font-size:16px;line-height:1.7}.guide-rows{grid-column:5 / 13}.guide-row{display:grid;grid-template-columns:30% 50% 20%;gap:0;padding:24px 0;border-top:1px solid var(--line);animation:row-enter .12s ease-out both}.guide-row h3{margin:0;padding-right:20px;font:500 16px/1.5 Space Grotesk,sans-serif}.guide-row h3 span{display:block;margin-bottom:8px;color:var(--cyan);font:400 12px/1 IBM Plex Mono,monospace}.guide-row>div{padding-right:24px}.guide-function{margin-bottom:10px;color:var(--frost);font-size:16px;font-weight:500;line-height:1.55}.guide-note{margin:0;color:var(--gray);font-size:14px;line-height:1.55}.guide-action{position:relative;align-self:start;justify-self:start;min-height:44px;display:inline-flex;align-items:center;gap:5px;padding:0;border:0;background:transparent;color:#c7d3d8;font-size:14px;white-space:nowrap}.guide-action:after{position:absolute;right:0;bottom:4px;left:0;height:1px;background:var(--cyan);content:"";transform:scaleX(0);transform-origin:left;transition:transform .16s}.guide-action:hover:after,.guide-action:focus-visible:after{transform:scaleX(1)}.guide-disclaimer{margin:0;padding:20px 0;border-top:1px solid var(--line);color:var(--gray);font:400 13px/1.6 IBM Plex Mono,monospace}.quiz-section{border-top:1px solid var(--line);background:#0a0e13}.quiz-layout{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:32px 24px;align-items:start}.quiz-intro{grid-column:1 / 6;grid-row:1}.quiz-intro h2{margin-bottom:28px}.quiz-intro>p:last-child{max-width:54ch;color:var(--gray);font-size:16px;line-height:1.7}.quiz-questions{grid-column:6 / 13;grid-row:1 / 3;min-width:0}.question{min-width:0;margin:0;padding:26px 0 30px;border:0;border-top:1px solid var(--line);transition:border-color .16s}.question:first-child{padding-top:4px;border-top:0}.question.is-correct{border-left:2px solid var(--cyan);padding-left:18px}.question.is-review{border-left:2px solid var(--amber);padding-left:18px}.question legend{width:100%;padding:0 0 16px;font:500 22px/1.35 Space Grotesk,sans-serif;letter-spacing:-.02em}.question legend span{display:inline-block;margin-right:14px;color:var(--cyan);font:400 12px/1 IBM Plex Mono,monospace;vertical-align:middle}.answer-list{display:grid;gap:4px}.answer{position:relative;min-height:44px;display:flex;align-items:center;gap:12px;padding:7px 10px;color:var(--gray);font-size:15px;line-height:1.45;cursor:pointer;transition:color .16s,background-color .16s}.answer:hover{color:var(--frost);background:#17212b73}.answer.is-selected{color:var(--frost)}.answer input{position:absolute;width:1px;height:1px;opacity:0}.radio-mark{position:relative;flex:none;width:16px;height:16px;border:1px solid var(--gunmetal);border-radius:50%}.answer.is-selected .radio-mark{border-color:var(--cyan)}.answer.is-selected .radio-mark:after{position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;background:var(--cyan);content:""}.answer input:focus-visible+.radio-mark{outline:2px solid var(--cyan);outline-offset:4px}.answer-feedback{display:grid;grid-template-columns:20px auto 1fr;gap:8px;align-items:start;margin-top:16px;animation:feedback-enter .16s ease-out both}.answer-feedback svg{margin-top:2px;color:var(--cyan)}.is-review .answer-feedback svg,.is-review .answer-feedback strong{color:var(--amber)}.answer-feedback strong{color:var(--cyan);font:500 13px/1.5 IBM Plex Mono,monospace;text-transform:uppercase}.answer-feedback p{margin:0;color:#bdc9cf;font-size:14px;line-height:1.55}.score-panel{grid-column:1 / 6;grid-row:2;padding-top:24px;border-top:1px solid var(--line)}.score-panel>span{display:block;color:var(--gray);font:400 13px/1 IBM Plex Mono,monospace;text-transform:uppercase;letter-spacing:.08em}.score-panel>strong{display:block;margin:14px 0 24px;font:500 64px/1 Space Grotesk,sans-serif;letter-spacing:-.05em}.quiz-actions{display:flex;flex-wrap:wrap;gap:10px}.recap-section{border-top:1px solid var(--line)}.recap-layout{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:end;animation:recap-enter .24s ease-out both}.recap-layout>div:first-child{grid-column:1 / 8}.recap-layout h2{font-size:clamp(46px,4.5vw,68px)}.recap-copy{grid-column:8 / 13}.recap-copy>p{max-width:55ch;margin-bottom:28px;color:var(--gray);font-size:16px;line-height:1.7}.recap-actions{display:flex;flex-wrap:wrap;gap:10px}.site-footer{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:32px;padding-top:28px;padding-bottom:28px;border-top:1px solid var(--line);color:#b0bdc5;font:400 12px/1.65 IBM Plex Mono,monospace}.site-footer p{margin:0}.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px 18px}.site-footer a{display:inline-flex;align-items:center;min-height:32px}.site-footer a:hover{color:var(--cyan)}@keyframes copy-enter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes engine-enter{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}@keyframes dash-flow{to{stroke-dashoffset:-52}}@keyframes feedback-enter{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@keyframes row-enter{0%{opacity:.75}to{opacity:1}}@keyframes recap-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1180px){.header-model{display:none}.desktop-nav{gap:18px}.hero-copy h1{font-size:58px}.hero-scene-enter{min-height:440px}.hero-control-strip{grid-template-columns:1fr;gap:8px}.transport-group{justify-content:flex-end}.section-heading>div{grid-column:1 / 8}.section-heading>p{grid-column:8 / 13}.stage-list-main{grid-template-columns:.8fr 1fr 1.4fr}.stage-list-main small:last-child{display:none}.spool-explanations>div{grid-template-columns:1fr;gap:8px}.guide-row{grid-template-columns:28% 52% 20%}.guide-action{white-space:normal}}@media(max-width:900px){.desktop-nav{display:none}.menu-button{display:inline-flex}.site-header{height:64px}.mobile-nav{position:absolute;top:64px;right:0;left:0;padding:8px 32px 18px;border-bottom:1px solid var(--line);background:#080b10fa}.mobile-nav.is-open{display:grid}.mobile-nav a{min-height:52px;display:grid;grid-template-columns:34px 1fr 20px;align-items:center;border-bottom:1px solid var(--line);font-size:15px}.mobile-nav a span{color:var(--cyan);font:400 12px/1 IBM Plex Mono,monospace}html{scroll-padding-top:64px}.hero{min-height:auto}.hero-grid{align-items:start}.hero-copy{grid-column:1 / 6}.hero-figure{grid-column:6 / 13}.hero-copy h1{font-size:49px}.hero-body{font-size:16px}.hero-facts{grid-template-columns:1fr}.hero-facts>div+div{padding-left:0;border-top:1px solid var(--line);border-left:0}.hero-scene-enter{height:48svh;min-height:390px}.figure-caption{flex-direction:column;gap:4px}.figure-caption span:last-child{text-align:left}.transport-group{flex-wrap:wrap;justify-content:flex-start}.section-heading>div,.section-heading>p{grid-column:1 / 13}.section-heading>p{margin-top:24px}.tour-sticky{grid-column:1 / 9}.tour-step-rail{grid-column:9 / 13}.step-title{font-size:24px}.step-body{font-size:14px}.lab-visuals{grid-column:1 / 13}.instrument-panel{grid-column:1 / 13;margin-top:24px}.guide-heading{position:static;grid-column:1 / 5}.guide-rows{grid-column:5 / 13}.guide-row{grid-template-columns:1fr;gap:16px}.guide-row>div{padding-right:0}.site-footer{grid-template-columns:1fr 1fr}.site-footer nav{grid-column:1 / -1;justify-content:flex-start}}@media(max-width:760px){.page-width,.header-inner{width:calc(100% - 40px)}.section-space{padding:76px 0}.eyebrow{margin-bottom:18px;font-size:11px}h2{font-size:42px}.brand{font-size:16px}.mobile-nav{padding-inline:20px}.hero{padding:36px 0 56px}.hero-grid{display:block}.hero-copy h1{max-width:450px;margin-bottom:22px;font-size:46px}.hero-body{margin-bottom:24px;font-size:16px}.hero-actions{align-items:flex-start;flex-direction:column;gap:8px}.hero-actions .button{width:100%}.hero-facts{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px}.hero-facts>div{padding:14px 8px 14px 0}.hero-facts>div+div{padding-left:10px;border-top:0;border-left:1px solid var(--line)}.hero-facts strong{font-size:22px}.hero-facts span{color:#b3c0c7;font-size:11px;line-height:1.35}.hero-figure{width:calc(100% + 40px);margin:26px 0 0 -20px}.hero-scene-enter{height:43svh;min-height:300px}.figure-caption{padding:4px 20px 12px;font-size:13px}.hero-control-strip{gap:10px;padding:12px 20px 0}.transport-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.transport-button{padding-inline:10px;white-space:normal}.scene-callout{max-width:118px;padding:3px 4px;font-size:10px}.section-heading{display:block;margin-bottom:36px}.section-heading>p{margin-top:22px;font-size:15px}.tour-section{padding-bottom:0}.tour-track{display:block}.tour-sticky{top:64px;z-index:8;width:calc(100% + 40px);height:auto;margin-left:-20px;padding:0 20px;background:#080b10f7}.tour-scene-wrap{flex:none;width:100%;height:50svh;min-height:330px}.tour-state-readout{bottom:22px}.tour-mobile-step{display:block;min-height:190px;padding:18px 0 22px}.tour-mobile-step h3{margin:0 0 10px;font-size:26px;font-weight:500;letter-spacing:-.03em}.tour-mobile-step .step-index{display:block;margin-bottom:10px}.tour-mobile-step p{max-width:62ch;margin:0;color:var(--gray);font-size:14px;line-height:1.65}.tour-step{min-height:112svh;visibility:hidden;opacity:0;pointer-events:none}.tour-step.is-active{transform:none}.stage-list{margin-top:0;padding-bottom:64px}.stage-list-button{grid-template-columns:32px 1fr 22px;gap:10px}.stage-list-main{display:block}.stage-list-main strong{display:block;margin-bottom:7px;font-size:19px}.stage-list-main>span{display:block;margin-bottom:12px}.stage-list-main small{display:block;margin-top:6px}.airflow-diagram{height:260px;min-height:260px}.diagram-labels-desktop,.diagram-flow-key-desktop{display:none}.diagram-labels-mobile,.diagram-flow-key-mobile{display:block}.diagram-stage-labels text{font-size:32px}.diagram-flow-key text{font-size:32px}.lab-scene{height:250px;margin-top:8px}.instrument-panel{padding:20px}.throttle-control--large .throttle-value{font-size:42px}.lab-transports{display:grid;grid-template-columns:1fr}.flow-toggle{padding-inline:10px;font-size:12px}.spool-explanations>div{grid-template-columns:1fr}.guide-layout{display:block}.guide-heading{margin-bottom:40px}.guide-heading h2{margin-bottom:22px}.guide-row{padding:20px 0;gap:12px}.guide-row h3{padding-right:0}.guide-action{min-height:44px}.quiz-layout{display:flex;flex-direction:column;gap:32px}.quiz-intro{order:1}.quiz-questions{order:2;width:100%}.score-panel{order:3;width:100%;padding-top:22px}.question{padding-block:24px}.question:first-child{padding-top:4px}.question legend{font-size:20px}.question.is-correct,.question.is-review{padding-left:12px}.answer{padding-inline:4px}.answer-feedback{grid-template-columns:20px 1fr}.answer-feedback p{grid-column:2}.score-panel>strong{font-size:54px}.recap-layout{display:block}.recap-layout h2{font-size:42px}.recap-copy{margin-top:28px}.recap-actions{display:grid;grid-template-columns:1fr}.site-footer{display:flex;flex-direction:column;gap:20px;padding-block:28px}.site-footer nav{display:flex;flex-direction:column;align-items:flex-start;gap:0}.site-footer a{min-height:44px}}@media(max-width:390px){.hero-copy h1{font-size:44px}.transport-button{font-size:13px}.flow-toggles{grid-template-columns:1fr}.airflow-hidden{grid-column:1}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}.hero-copy,.hero-scene-enter,.recap-layout,.guide-row{opacity:1;transform:none}.flow-dashes.is-moving{animation:none}}