/* One continuous story lap, illustrated with native SVG. */
.race-sprite{position:absolute;width:0;height:0;overflow:hidden;pointer-events:none}.grid-lights{display:flex;align-items:center;gap:14px;margin-top:25px}.light-rig{display:flex;gap:5px;background:#07101c;padding:7px 9px;border:1px solid #ffffff20}.light-rig i{width:10px;height:10px;border-radius:50%;background:#e3223a;box-shadow:0 0 8px #e3223a65}.grid-lights>span{font-size:8px;letter-spacing:1.3px;color:#8fa5bd}.hero .actions{margin-top:20px}.race-started .light-rig i{animation:lights-out .65s both}.race-started .light-rig i:nth-child(2){animation-delay:.12s}.race-started .light-rig i:nth-child(3){animation-delay:.24s}.race-started .light-rig i:nth-child(4){animation-delay:.36s}.race-started .light-rig i:nth-child(5){animation-delay:.48s}@keyframes lights-out{0%,65%{background:#e3223a;box-shadow:0 0 8px #e3223a80}100%{background:#65e4be;box-shadow:0 0 8px #65e4be80}}
.race-stage{display:grid;grid-template-columns:.7fr 1.3fr;column-gap:50px;row-gap:35px;padding-top:80px;padding-bottom:65px;position:relative;border-bottom:1px solid #ffffff20}.race-intro h2{font-size:72px;line-height:.98;margin-top:16px}.race-intro>p:not(.eyebrow){font-size:14px;color:#b8c5d5;max-width:320px}.race-intro .drive-hint{font-size:11px;display:flex;align-items:flex-start;gap:10px;margin-top:25px}.drive-hint svg{width:20px;height:20px;flex-shrink:0;fill:none;stroke:#ffcc00;stroke-width:1.5}.race-note{font-size:9px;line-height:1.7;color:#8ca1ba;border-left:2px solid #1044ff;padding-left:12px;margin-top:25px}.circuit-panel{align-self:center;background:radial-gradient(ellipse at 40% 60%,#0c2c49,#041e33 70%);border:1px solid #ffffff20;border-top:3px solid #1044ff;min-width:0;position:relative}.circuit-title,.circuit-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:19px 22px;font-size:8px;letter-spacing:.9px;color:#9fb2c9}.circuit-title>span:first-child{color:#f4f7ff;display:flex;align-items:center;gap:9px}.circuit-title i{width:5px;height:5px;background:#ffcc00;display:inline-block}.story-circuit{display:block;width:100%;height:auto;overflow:visible}.circuit-kerb{fill:none;stroke:#e3223a;stroke-width:34;stroke-linejoin:round}.circuit-kerb-stripe{fill:none;stroke:#d9e4ef;stroke-width:34;stroke-dasharray:11 11}.circuit-asphalt{fill:none;stroke:#173448;stroke-width:24;stroke-linejoin:round}.circuit-centre{fill:none;stroke:#758da7;stroke-width:1;stroke-dasharray:5 8}.circuit-progress{fill:none;stroke:#ffcc00;stroke-width:2.5;stroke-linecap:round;filter:drop-shadow(0 0 5px #ffcc0050)}.pit-lane{fill:none;stroke:#657e98;stroke-width:2;stroke-dasharray:5 4}.track-label{font-family:'Bull Text',Arial,sans-serif;font-size:10px;letter-spacing:2px;fill:#8ca2bb}.circuit-wordmark{font:700 82px 'Racing',Impact,sans-serif;fill:#1044ff;letter-spacing:-2px}.sector-label{font-family:'Bull Text',Arial,sans-serif;font-size:10px;letter-spacing:2px;fill:#6a8caf}.story-circuit a{cursor:pointer}.story-circuit a circle{fill:#00192c;stroke:#6f8aa6;stroke-width:2;transition:fill .25s,stroke .25s}.story-circuit a text{font:700 13px 'Bull Text',Arial,sans-serif;fill:#f4f7ff;pointer-events:none}.story-circuit a:hover circle,.story-circuit a:focus-visible circle{stroke:#ffcc00;stroke-width:4}.story-circuit a[aria-current=step] circle{fill:#ffcc00;stroke:#ffcc00}.story-circuit a[aria-current=step] text{fill:#00192c}.story-circuit a.completed circle{fill:#1044ff;stroke:#7192ff}.track-car{filter:drop-shadow(0 2px 5px #000);pointer-events:none}.circuit-bottom{padding-top:0;font-size:7px}.circuit-caption{color:#ffcc00}.circuit-scroll{letter-spacing:.6px}.checkpoint-list{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:0;align-items:stretch;font-size:12px}.checkpoint-link{display:flex;align-items:center;gap:13px;border-top:1px solid #ffffff25;padding:17px 15px 17px 0;text-decoration:none}.checkpoint-link b{font-family:'Racing',Impact,sans-serif;color:#6d88ac;font-size:29px;line-height:1}.checkpoint-link small{display:block;color:#8fa5bd;font-size:10px;line-height:1.5;margin-top:5px}.checkpoint-link:hover,.checkpoint-link[aria-current=step]{color:#ffcc00}.checkpoint-link[aria-current=step] b{color:#ffcc00}.checkpoint-arrow{margin-left:auto;margin-right:16px;color:#7089a6;font-size:16px}.checkpoint-link.completed b{color:#7192ff}.sector-chip{display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:1.6px;color:#7c98bc;margin-bottom:26px}.sector-chip svg{height:19px;width:19px;opacity:.65}.on-track .sector-chip{color:#ffcc00}.on-track .sector-chip svg{opacity:1}[data-race-section]{position:relative}#f1-project,#story,#education,#person{border-left:2px solid #1044ff30}#f1-project.on-track,#story.on-track,#education.on-track,#person.on-track{border-left-color:#1044ff}.finish .sector-chip{justify-content:center;color:#d5dfff}.finish-flag{width:88px;height:14px;background:repeating-conic-gradient(#00192c 0% 25%,#fff 0% 50%) 0 0/14px 14px;margin:0 auto 30px;transform:skewX(-13deg)}
.research-visual{border-top:1px solid #ffffff15;border-bottom:1px solid #ffffff15;margin:20px 0 8px;padding:15px 0 8px}.visual-caption{display:flex;justify-content:space-between;gap:10px;color:#8fa5bd;font-size:7px;letter-spacing:1px}.visual-caption small{font-size:7px;color:#667f9e}.research-visual svg{width:100%;display:block;margin:12px 0 0}.visual-scene{display:none}.research-visual[data-phase=model] .scene-model,.research-visual[data-phase=simulate] .scene-simulate,.research-visual[data-phase=validate] .scene-validate{display:block}.model-inputs text{font:9px 'Bull Text',Arial,sans-serif;letter-spacing:1px;fill:#b8c5d5}.visual-flow{fill:none;stroke:#ffcc00;stroke-width:2;stroke-dasharray:8 5}.model-box{fill:#1044ff20;stroke:#1044ff;stroke-width:1}.visual-small{font:8px 'Bull Text',Arial,sans-serif;letter-spacing:1px;fill:#8fa5bd}.scenario-lines{fill:none;stroke:#5275c8;stroke-width:1.5}.comparison-lines{fill:none;stroke:#ffcc00;stroke-width:2}.comparison-lines:last-of-type{stroke:#7192ff}.pitwall-visual{background:#05243c;border:1px solid #ffffff20;padding:17px 18px;margin-top:26px;max-width:370px}.pitwall-header{display:flex;align-items:center;gap:12px;font-size:9px;letter-spacing:1.3px;color:#ffcc00}.pitwall-header svg{width:45px;height:30px}.data-chain{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px}.data-chain span{font-size:8px;letter-spacing:1px;line-height:1.8;color:#b8c5d5}.data-chain i{font-style:normal;color:#537cff}.signal-line{height:3px;overflow:hidden;background:#1044ff45;margin-top:17px;position:relative}.signal-line span{display:block;height:100%;width:20%;background:#ffcc00;transform:translateX(170%)}.motion-enabled .on-track .signal-line span{animation:data-signal 3s linear infinite}.pitwall-visual>small{display:block;font-size:9px;color:#8fa5bd;margin-top:12px}.motion-enabled .on-track .visual-flow{animation:racing-signal 4s linear infinite}@keyframes racing-signal{to{stroke-dashoffset:-104}}@keyframes data-signal{from{transform:translateX(-100%)}to{transform:translateX(600%)}}.team-grid-visual{max-width:445px;padding:15px 0 13px;border-top:1px solid #ffffff20;border-bottom:1px solid #ffffff20;margin:25px 0}.company-grid{display:grid;grid-template-columns:repeat(15,1fr);gap:5px}.company-grid i{height:9px;transform:skewX(-20deg);background:#3b66ff}.company-grid .company-added{background:#ffcc00}.team-grid-visual p{font-size:9px;color:#a0b0c2;display:flex;align-items:center;gap:7px;margin:12px 0 0}.team-grid-visual p span{height:6px;width:9px;background:#3b66ff;display:inline-block}.team-grid-visual p .added-key{background:#ffcc00;margin-left:15px}
.race-hud{position:fixed;z-index:20;bottom:22px;left:50%;transform:translateX(-50%);width:min(890px,calc(100% - 48px));display:flex;align-items:center;gap:22px;background:#031b2ff2;border:1px solid #466180;border-top:2px solid #1044ff;box-shadow:0 8px 40px #0008;backdrop-filter:blur(16px);padding:8px 16px 10px}.hud-map{width:92px;flex-shrink:0}.hud-map svg{width:100%;display:block}.hud-route{fill:none;stroke:#466180;stroke-width:16}.hud-current{min-width:157px}.hud-current>span{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1px;color:#8fa5bd;margin-bottom:6px}.hud-current b{color:#ffcc00;font-weight:400}.hud-current strong{font-size:12px;font-weight:400;color:#f4f7ff}.hud-checkpoints{display:flex;align-items:center;gap:6px;flex:1}.hud-checkpoints a{font:700 18px 'Racing',Impact,sans-serif;display:flex;align-items:center;justify-content:center;width:31px;height:31px;text-decoration:none;border:1px solid #ffffff20;color:#8fa5bd;flex-shrink:0}.hud-checkpoints a[aria-current=step]{color:#00192c;background:#ffcc00;border-color:#ffcc00}.hud-checkpoints a.completed{border-color:#496eff;color:#9db2ff}.hud-next{font-size:8px;letter-spacing:1px;display:flex;gap:10px;align-items:center;text-decoration:none;white-space:nowrap}.hud-next span{font-size:22px;color:#ffcc00}.motion-toggle{display:flex;gap:8px;align-items:center;border:0;border-left:1px solid #ffffff25;padding:4px 0 4px 17px;background:transparent;color:#8fa5bd;cursor:pointer;font-size:9px;white-space:nowrap}.motion-toggle svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}.motion-toggle[aria-pressed=false] svg{fill:currentColor;stroke:none}.hud-progress{position:absolute;bottom:0;height:2px;left:0;right:0;background:#ffffff0a}.hud-progress i{display:block;height:100%;width:100%;background:#ffcc00;transform-origin:left;transform:scaleX(var(--lap-progress,0))}footer{padding-bottom:120px}
@media(max-width:1100px){.race-stage{grid-template-columns:.7fr 1.3fr;column-gap:25px}.race-intro h2{font-size:62px}.circuit-title{font-size:7px;padding:17px}.race-hud{gap:15px}.hud-current{min-width:145px}.hud-map{width:75px}.hud-checkpoints{gap:4px}}
@media(max-width:850px){.race-stage{grid-template-columns:1fr;gap:30px}.race-intro{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.race-intro h2{grid-column:1;grid-row:2/5;font-size:72px;margin-top:0}.race-intro .eyebrow{grid-column:1/-1}.race-intro>p:not(.eyebrow){margin:0 0 14px;grid-column:2}.race-note{grid-column:2;margin-top:0}.circuit-panel{max-width:760px;width:100%}.checkpoint-list{grid-template-columns:repeat(3,1fr);gap:0 18px}.checkpoint-link{font-size:11px}.checkpoint-link small{font-size:9px}.checkpoint-arrow{margin-right:0}.hud-map{display:none}.race-hud{gap:14px}.hud-current{flex:1}.hud-checkpoints{flex:0}.hud-checkpoints a{width:27px;height:29px}.motion-toggle{padding-left:13px}.motion-toggle span{display:none}}
@media(max-width:600px){.race-stage{padding-top:48px;padding-bottom:35px;gap:25px}.race-intro{display:block}.race-intro h2{font-size:63px;margin-bottom:20px}.race-intro h2 br{display:none}.race-intro>p:not(.eyebrow){max-width:none}.race-intro .drive-hint{font-size:11px;margin-top:20px}.race-note{margin-top:15px}.circuit-panel{margin:0 -12px;width:calc(100% + 24px)}.circuit-title{font-size:6px;padding:14px 12px;letter-spacing:.6px}.circuit-bottom{font-size:6px;padding:3px 12px 14px;letter-spacing:.5px}.checkpoint-list{grid-template-columns:repeat(2,1fr);gap:0 15px}.checkpoint-link{padding:14px 0;gap:9px;font-size:10px}.checkpoint-link b{font-size:25px}.checkpoint-link small{font-size:8px;max-width:120px}.checkpoint-arrow{display:none}.sector-chip{font-size:8px;margin-bottom:23px}.sector-chip svg{width:17px;height:17px}.grid-lights{gap:11px}.grid-lights>span{font-size:7px;letter-spacing:.7px}.light-rig{padding:6px}.light-rig i{height:8px;width:8px}.pitwall-visual{max-width:none}.company-grid{gap:4px}.company-grid i{height:8px}.team-grid-visual p{font-size:8px;gap:5px}.team-grid-visual p .added-key{margin-left:10px}.race-hud{width:calc(100% - 20px);bottom:10px;padding:11px 12px 12px;gap:12px;flex-wrap:wrap;border-top-width:2px}.hud-current{min-width:0;flex:1}.hud-current>span{font-size:7px;max-width:176px;margin-bottom:4px}.hud-current strong{font-size:11px}.hud-checkpoints{order:4;flex:1;justify-content:space-between;gap:6px;width:100%;padding-top:8px;border-top:1px solid #ffffff15}.hud-checkpoints a{height:26px;flex:1;font-size:17px}.hud-next{font-size:7px;gap:7px}.hud-next span{font-size:20px}.motion-toggle{padding-left:11px}.race-hud .hud-current span b{padding-left:10px}footer{padding-bottom:150px}.finish{padding-bottom:75px}.research-visual{margin-top:15px}.finish-flag{margin-bottom:25px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important}.story-circuit a circle{transition:none}}
.motion-disabled *, .motion-disabled *::before,.motion-disabled *::after{animation:none!important}.motion-disabled{scroll-behavior:auto}.motion-disabled html{scroll-behavior:auto}

.hud-racing-car{position:absolute;width:36px;height:24px;bottom:-11px;left:clamp(18px,calc(var(--car-progress,0)*100%),calc(100% - 18px));transform:translateX(-50%);filter:drop-shadow(0 2px 3px #000);pointer-events:none}

.comparison-lines.comparison-real{stroke:#7192ff;stroke-dasharray:6 4}
/* Keep chapter navigation visible independently of the mobile header menu. */
@media(max-width:600px){.checkpoint-list .checkpoint-link,.race-hud .hud-checkpoints a{display:flex}.race-intro h2 br{display:revert}}
@media(max-width:600px){.race-hud .hud-checkpoints{flex:0 0 100%;width:100%}.race-hud .hud-current{min-width:140px}}