:root{color-scheme:dark;--bg:#0d1b24;--ink:#f3f1e9;--muted:#aab9c2;--amber:#f2af46;--line:#31414b;--paper:#f0f0e9}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:30px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a,button{-webkit-tap-highlight-color:transparent}
a:focus-visible{outline:2px solid var(--amber);outline-offset:6px}
p{line-height:1.65}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{font-weight:500}
h1{font-size:clamp(48px,5.5vw,82px);line-height:1.04;letter-spacing:-.055em}
h1 em{color:var(--amber);font-style:normal}
h2{font-size:clamp(32px,3.5vw,50px);line-height:1.12;letter-spacing:-.04em}
h3{font-size:23px;line-height:1.25;letter-spacing:-.025em}
.shell{width:min(1280px,calc(100% - 100px));margin-inline:auto}
.header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:29px;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:28px;font-weight:600;letter-spacing:-1px}
.brand svg{width:25px;fill:var(--amber)}
nav{display:flex;gap:32px;font-size:14px;color:var(--muted)}
nav a:hover,.text-link:hover,footer a:hover{color:var(--amber)}
.header-cta{font-size:14px}
.header-cta span{margin-left:20px;color:var(--amber)}
.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:45px;padding-block:82px 68px}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font:11px/1.6 monospace;color:var(--amber);margin-bottom:28px}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-right:7px;vertical-align:middle}
.lede{font-size:20px;line-height:1.55;color:var(--muted);max-width:540px}
.hero .lede{margin-top:28px;max-width:450px}
.actions{display:flex;align-items:center;gap:28px;margin-top:35px}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--amber);color:#11212b;padding:17px 21px;font-size:14px;font-weight:600;transition:background .2s}
.button:hover{background:#ffc978}
.text-link{font-size:14px;display:inline-flex;gap:22px;align-items:center;color:var(--amber)}
.hero-note{font:11px/1.6 monospace;color:var(--muted);margin-top:26px}
.system{min-width:0;border:1px solid var(--line);background:#10202a;transform:translateY(5px)}
.figure-top{display:flex;justify-content:space-between;padding:17px 19px;border-bottom:1px solid var(--line);font:11px monospace;color:var(--muted)}
.signal{color:var(--amber)}
.signal:before{content:'●';font-size:8px;margin-right:7px}
.system svg{display:block;width:100%;height:auto}
.system figcaption{padding:12px 19px;border-top:1px solid var(--line);font:10px/1.5 monospace;color:var(--muted)}
.flow{stroke-dasharray:7 5;animation:flow 18s linear infinite}
@keyframes flow{to{stroke-dashoffset:-120}
}
.proof{display:grid;grid-template-columns:1fr .8fr 1.1fr;border-top:1px solid var(--line);padding-block:30px 40px;gap:45px;align-items:center}
.proof>div{display:flex;align-items:center;gap:22px}
.proof strong{font-size:55px;font-weight:400;letter-spacing:-.05em}
.proof p{font-size:13px;max-width:200px;color:var(--muted)}
.proof p.proof-note{font-size:11px;max-width:360px;border-left:1px solid var(--line);padding-left:30px}
.paper{background:var(--paper);color:#11212b;padding:86px 0 65px;color-scheme:light}
.paper .eyebrow{color:#875509}
.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:16px 70px;margin-bottom:48px}
.section-heading>.eyebrow{grid-column:1/-1;margin:0}
.section-heading>p:last-child{align-self:end;color:#52616a;font-size:16px;max-width:490px}
.decisions{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.decisions article{border-top:1px solid #abb5b6;padding-top:19px}
.number{font:12px monospace;color:#60717a}
.decisions h3{margin:25px 0 16px;max-width:290px}
.decisions p{font-size:15px;color:#52616a}
.mini-chart{display:flex;height:90px;align-items:end;gap:8px;margin-top:24px;padding:0 8px 0 0;border-bottom:1px solid #b8c1c1}
.mini-chart i{display:block;flex:1;background:#678b93;height:40%}
.mini-chart i:nth-child(3n){height:65%}
.mini-chart i:nth-child(3n + 1){height:80%}
.mini-chart i:nth-child(4n){height:30%;background:#b77b24}
.chart-2 i{height:20%}
.chart-2 i:nth-child(6),.chart-2 i:nth-child(7){height:100%;background:#b77b24}
.chart-3 i:nth-child(n+6){background:#b77b24;height:75%}
.status-note{margin-top:40px;padding-top:20px;border-top:1px solid #c8ceca;color:#52616a;font:12px/1.7 monospace}
.approach{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-block:90px}
.section-intro{color:var(--muted);font-size:17px;margin-top:25px;max-width:490px}
.section-intro p+p{margin-top:20px}
.approach .text-link{margin-top:28px}
.steps article{display:flex;gap:28px;padding:25px 0;border-top:1px solid var(--line)}
.steps article>span{font:12px monospace;color:var(--amber);padding-top:5px}
.steps h3{font-size:21px;margin-bottom:12px}
.steps p{color:var(--muted);font-size:15px}
.wedge{background:#172b36;padding:65px 0}
.wedge-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tags span{border:1px solid #53616a;padding:9px 12px;font:11px monospace}
.muted{color:var(--muted);font-size:13px;margin-top:25px}
.contact{padding-block:80px}
.contact>div{display:flex;align-items:center;justify-content:space-between;gap:35px}
.contact>p:last-child{color:var(--muted);max-width:500px;margin-top:22px;font-size:15px}
footer{display:flex;align-items:center;gap:30px;border-top:1px solid var(--line);padding-block:30px;color:var(--muted)}
footer .brand{color:var(--ink);font-size:22px}
footer p{font-size:12px;flex:1}
footer>a:not(.brand),footer small{font-size:11px}
.page-hero{padding-block:85px}
.page-hero .lede{margin-top:30px;max-width:690px}
.team{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.team h2{margin-bottom:25px}
.team p{max-width:480px;color:#52616a}
.skip{position:absolute;top:-100px;left:20px;padding:15px;background:var(--amber);color:#11212b;z-index:10}
.skip:focus{top:10px}
@media(min-width:1500px){.hero{padding-block:110px 85px}
}
@media(max-width:1000px){.shell{width:calc(100% - 56px)}
.hero{gap:25px}
h1{font-size:56px}
.header{gap:15px}
nav{gap:20px}
.actions{gap:18px}
.proof{gap:20px}
.proof>div{gap:15px}
.proof strong{font-size:44px}
.approach,.wedge-grid{gap:40px}
.decisions{gap:25px}
footer{flex-wrap:wrap}
footer small{margin-left:auto}
}
@media(max-width:720px){.shell{width:calc(100% - 40px)}
.header{flex-wrap:wrap;padding-block:20px;gap:22px}
.brand{font-size:25px}
.header nav{order:3;width:100%;justify-content:space-between;font-size:13px}
.header-cta{font-size:12px}
.header-cta span{margin-left:8px}
.hero{grid-template-columns:1fr;padding-block:46px 36px;gap:38px}
h1{font-size:clamp(44px,10vw,66px)}
.eyebrow{font-size:10px;margin-bottom:22px}
.hero .lede,.lede{font-size:18px}
.hero .lede{max-width:390px}
.system{max-width:530px;width:100%;justify-self:center}
.proof{grid-template-columns:1fr 1fr;padding-block:28px;gap:23px}
.proof>div{display:block}
.proof p{margin-top:9px}
.proof p.proof-note{grid-column:1/-1;border-left:0;padding-left:0;max-width:none;margin:0}
.proof strong{font-size:42px}
.paper{padding-block:52px 42px}
.section-heading,.approach,.wedge-grid,.team{grid-template-columns:1fr;gap:25px}
.section-heading{margin-bottom:30px}
.decisions{grid-template-columns:1fr;gap:36px}
.decisions article{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.decisions article .number{grid-column:1/-1}
.decisions h3{margin:0;align-self:center}
.decisions .mini-chart{grid-column:2;grid-row:2;margin:0;height:75px}
.decisions p{grid-column:1/-1}
.decisions article>.eyebrow{grid-column:1/-1;margin:0}
.approach{padding-block:55px}
.wedge{padding-block:50px}
.wedge-grid .lede{max-width:none}
.contact{padding-block:55px}
.contact>div{align-items:start;flex-direction:column;gap:28px}
.contact h2{font-size:37px}
footer{gap:18px}
footer p{flex-basis:70%}
footer>a:not(.brand){font-size:12px}
.page-hero{padding-block:55px}
.team{gap:45px}
.team h2{font-size:35px}
.team p{font-size:16px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.flow{animation:none}
*{transition:none!important}
}

/* Original terrain and illustration system, retained in the new visual style. */
:root{--d1:#132632;--d2:#203d4d;--d3:#315569;--d4:#50758a;--d5:#7095a8;--fig-ink:#d3e1e8}
.terrain-hero{position:relative;display:block;isolation:isolate;min-height:680px;padding:130px 0 105px;overflow:hidden}
.terrain-backdrop{position:absolute;inset:0;z-index:-2}
.terrain-backdrop .resolve{position:absolute;inset:0;--resolve-fit:cover;--resolve-zoom:1;--resolve-crop-y:.5;--resolve-anchor:.46;background:#132632}
.resolve-map,.resolve-layer{position:absolute;display:block;max-width:none}
.resolve-layer{left:0;top:0}
#resolve-live{will-change:transform}
.terrain-backdrop figcaption{position:absolute;bottom:20px;right:30px;left:30px;text-align:right;color:#d3e1e8;font:10px/1.6 monospace}
.hero-scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(13,27,36,.97),rgba(13,27,36,.85) 29%,rgba(13,27,36,.28) 55%,transparent 75%)}
.hero-inner .hero-copy{max-width:610px}
.fig--turb{margin-top:32px;max-width:420px;--ground:#0d1b24;--ink:#aab9c2;--accent:#f2af46}
.fig--turb canvas{display:block;width:100%;height:auto;aspect-ratio:1}
.illustration-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.illustration-plate{background:#f2f5f8}
.illustration-plate img{display:block;width:100%;height:auto}
.illustration-grid h3{margin:24px 0 14px}
.illustration-grid p{color:#52616a;font-size:14px}
.illustration-grid details{margin-top:18px;font:11px/1.6 monospace;color:#52616a}
.illustration-grid summary{cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.illustration-grid details p{font-size:12px;margin-top:12px}
@media(max-width:1000px){.terrain-hero{min-height:640px;padding-block:100px}.hero-inner .hero-copy{max-width:520px}}
@media(max-width:720px){.terrain-hero{padding:45px 0 280px;min-height:0}.terrain-backdrop .resolve{top:auto;height:310px;--resolve-fit:width;--resolve-crop-y:1;-webkit-mask-image:linear-gradient(to top,#000 min(30vw,190px),transparent min(50vw,310px));mask-image:linear-gradient(to top,#000 min(30vw,190px),transparent min(50vw,310px))}.hero-scrim{background:linear-gradient(#0d1b24 0%,#0d1b24 52%,rgba(13,27,36,.9) 64%,transparent 85%)}.terrain-backdrop figcaption{font-size:9px;bottom:12px;left:20px;right:20px}.illustration-grid{grid-template-columns:1fr;gap:38px}.illustration-plate{max-width:480px;margin-inline:auto}.decisions article{display:block}.decisions h3{margin:20px 0 15px}.fig--turb{max-width:350px}}
@media(prefers-reduced-motion:reduce){#resolve-live{will-change:auto}}
.terrain-backdrop figcaption{left:auto;max-width:calc(100% - 40px);padding:7px 10px;background:rgba(13,27,36,.8)}
@media(max-width:720px){.terrain-backdrop figcaption{right:12px;max-width:calc(100% - 24px);font-size:8px}}
/* A single connected forecasting system: illustrations, model, decisions. */
.forecast-illustrations .section-heading{text-align:center;display:block;max-width:760px;margin:0 auto 52px}
.forecast-illustrations .section-heading h2{margin:16px 0 22px}
.forecast-illustrations .section-heading>p:last-child{max-width:620px;margin-inline:auto}
.foundation-system{position:relative}
.foundation-system .illustration-grid{gap:32px;align-items:stretch}
.foundation-system .illustration-grid>figure{position:relative;padding:0 18px 28px;border-bottom:1px solid #9cacae}
.foundation-system .illustration-plate{background:transparent}
.foundation-system .illustration-grid h3{font-size:22px}
.foundation-connectors{height:66px;position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:0 0 0}
.foundation-connectors:after{content:'';position:absolute;left:calc(16.666% - 11px);right:calc(16.666% - 11px);top:32px;border-top:1px solid #9cacae}
.foundation-connectors span{position:relative;width:1px;height:33px;background:#9cacae;justify-self:center}
.foundation-connectors span:before{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:#b77b24;left:-3px;top:-4px}
.foundation-connectors span:nth-child(2){height:66px}
.foundation-core{position:relative;background:var(--bg);color:var(--ink);display:grid;grid-template-columns:240px 1fr;align-items:center;gap:36px;max-width:800px;margin:auto;padding:32px 42px;border:1px solid #31414b}
.foundation-core .fig--turb{margin:0;width:100%}
.foundation-core .eyebrow{color:var(--amber);margin-bottom:13px}
.core-copy h3{font-size:32px;letter-spacing:-.04em;margin-bottom:16px}
.core-copy>p:not(.eyebrow){color:var(--muted);font-size:15px}
.core-status{display:block;color:var(--amber);font:10px/1.6 monospace;margin-top:22px}
.foundation-stem{height:42px;width:1px;background:#9cacae;margin:auto}
.foundation-decisions{max-width:800px;margin:auto;text-align:center;border-top:1px solid #9cacae;padding-top:22px}
.foundation-decisions>.eyebrow{margin-bottom:20px}
.foundation-decisions>div{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.foundation-decisions span{font-size:17px;letter-spacing:-.02em}
.foundation-roadmap{font:11px/1.6 monospace;color:#52616a;margin-top:24px}
@media(max-width:720px){.forecast-illustrations .section-heading{text-align:left;margin-bottom:35px}.foundation-system{padding-left:20px}.foundation-system:before{content:'';position:absolute;left:0;top:0;bottom:145px;border-left:1px solid #9cacae}.foundation-system .illustration-grid{gap:28px}.foundation-system .illustration-grid>figure{padding:0 0 24px 8px}.foundation-system .illustration-grid>figure:before{content:'';position:absolute;left:-20px;top:50%;width:20px;border-top:1px solid #9cacae}.foundation-connectors{height:32px;display:block}.foundation-connectors:after,.foundation-connectors span{display:none}.foundation-core{grid-template-columns:1fr;padding:26px;gap:20px}.foundation-core:before{content:'';position:absolute;left:-21px;top:50%;width:20px;border-top:1px solid #9cacae}.core-art{max-width:180px;width:100%;margin:auto}.core-copy h3{font-size:28px}.foundation-decisions>div{grid-template-columns:1fr;gap:16px}.foundation-decisions span{font-size:18px}.foundation-roadmap{font-size:10px}}
/* The wave stays with physics; the central figure connects the physical site. */
.foundation-core{display:block;max-width:1000px;padding:24px 32px 32px}
.foundation-core .core-art{max-width:none;width:100%;margin:0}
.site-network{display:block;width:100%;height:auto}
.foundation-core .core-copy{border-top:1px solid #31414b;margin-top:16px;padding-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:12px 36px}
.foundation-core .core-copy>.eyebrow{grid-column:1/-1;margin:0}
.foundation-core .core-copy h3{margin:0}
.foundation-core .core-status{grid-column:1/-1;margin-top:5px}
@media(max-width:720px){.foundation-core{padding:12px 14px 24px}.foundation-core .core-copy{grid-template-columns:1fr;gap:12px;padding-top:20px}.foundation-core .core-copy h3{font-size:26px}.site-network{min-height:150px}.foundation-core .core-copy>p:not(.eyebrow){font-size:14px}}
/* Open, centered site diagram on the section's own background. */
.foundation-core{background:transparent;color:#11212b;border:0;max-width:820px;padding:8px 0 24px;margin-inline:auto;text-align:center}
.foundation-core .core-art{max-width:760px;margin-inline:auto}
.foundation-core .core-copy{display:block;border:0;margin:0 auto;padding:0;max-width:500px}
.foundation-core .core-copy h3{font-size:28px;margin:0 0 10px}
.foundation-core .core-copy>p:not(.eyebrow){color:#52616a;font-size:15px}
@media(max-width:720px){.foundation-core{padding:8px 0 22px}.foundation-core .core-copy h3{font-size:24px}.foundation-core .core-copy>p:not(.eyebrow){font-size:13px}.foundation-core:before{display:none}}
/* The original three illustrations are now artwork within one connected figure. */
.integrated-figure{max-width:1100px;margin:auto;text-align:center}
.integrated-figure>img{display:block;width:100%;height:auto}
.integrated-figure h3{font-size:28px;margin:22px 0 12px}
.integrated-figure figcaption>p{color:#52616a;font-size:14px}
.integrated-figure details{max-width:680px;margin:16px auto 0;color:#52616a;font:11px/1.6 monospace}
.integrated-figure summary{cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.integrated-figure details p{text-align:left;margin-top:14px;font:12px/1.6 Arial,sans-serif}
@media(max-width:720px){.integrated-foundation{padding-left:0}.integrated-foundation:before{display:none}.integrated-figure h3{font-size:24px}.integrated-figure>img{width:100%}.integrated-figure figcaption>p{font-size:13px}}
/* Compact opportunity overview; preserve the full message. */
#deliverable{padding-block:38px 32px}
#deliverable .section-heading{grid-template-columns:1fr 1.15fr;gap:10px 44px;margin-bottom:25px}
#deliverable .section-heading h2{font-size:clamp(25px,2.5vw,34px);line-height:1.15}
#deliverable .section-heading>.eyebrow{margin:0;font-size:10px}
#deliverable .section-heading>p:last-child{font-size:14px;line-height:1.55;max-width:none}
#deliverable .decisions{gap:28px}
#deliverable .decisions article{padding-top:12px;display:grid;grid-template-columns:22px 1fr;gap:8px 10px;align-content:start}
#deliverable .number{font-size:10px;padding-top:4px}
#deliverable .decisions h3{font-size:18px;line-height:1.3;margin:0;max-width:none}
#deliverable .decisions p{grid-column:2;font-size:13px;line-height:1.55}
#deliverable .status-note{margin-top:22px;padding-top:13px;font-size:10px;line-height:1.6}
@media(max-width:720px){#deliverable{padding-block:28px}#deliverable .section-heading{grid-template-columns:1fr;gap:10px;margin-bottom:20px}#deliverable .section-heading h2{font-size:27px}#deliverable .section-heading>p:last-child{font-size:13px}#deliverable .decisions{gap:15px}#deliverable .decisions article{grid-template-columns:20px 1fr;gap:6px 10px;padding-top:10px}#deliverable .decisions article .number{grid-column:1;grid-row:1}#deliverable .decisions h3{font-size:17px;grid-column:2}#deliverable .decisions p{grid-column:2}#deliverable .status-note{margin-top:18px}}
/* Compact native disclosures keep the foundation's next steps close to the diagram. */
.foundation-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:32px auto 0;max-width:1100px;align-items:start}
.foundation-card{border:1px solid #bac5c6;background:rgba(255,255,255,.22)}
.foundation-card summary{display:flex;align-items:center;gap:12px;padding:20px 16px;cursor:pointer;list-style:none;font-size:16px;color:#11212b;line-height:1.35}
.foundation-card summary::-webkit-details-marker{display:none}
.foundation-card summary:focus-visible{outline:2px solid #a87322;outline-offset:4px}
.card-number{font:10px monospace;color:#875509}
.card-toggle{position:relative;flex:0 0 12px;height:12px;margin-left:auto;color:#875509}
.card-toggle:before,.card-toggle:after{content:'';position:absolute;left:0;top:5px;width:12px;height:1px;background:currentColor}
.card-toggle:after{transform:rotate(90deg)}
.foundation-card[open] .card-toggle:after{display:none}
.foundation-card[open] summary{border-bottom:1px solid #d1d8d5}
.foundation-card>p{padding:16px;font-size:14px;line-height:1.65;color:#52616a}
#approach>.fig--turb{margin:0;width:100%;max-width:420px;justify-self:center;align-self:center}
@media(max-width:720px){.foundation-cards{grid-template-columns:1fr;gap:10px;margin-top:24px}.foundation-card summary{padding:16px}.foundation-card>p{font-size:13px}#approach>.fig--turb{max-width:350px}}
/* Separate the closing invitation from the dark physics section. */
.contact-band{background:#172b36;color:var(--ink);color-scheme:dark}
.contact-band .eyebrow{color:var(--amber)}
.contact-band .contact>p:last-child{color:var(--muted)}
.contact-band .button{background:var(--amber);color:#11212b}
.contact-band .button:hover{background:#ffc978}
.contact-band a:focus-visible{outline-color:var(--amber)}
/* Primary navigation occupies the right edge without a separate header CTA. */
.header nav{margin-left:auto;justify-content:flex-end}
@media(max-width:720px){.header nav{justify-content:flex-end;gap:24px}}
/* Contextual annotations belong to the drawing, not a separate card row. */
.integrated-figure{position:relative;padding-top:145px;padding-bottom:160px}
.diagram-note{position:absolute;text-align:left;max-width:280px;width:27%;padding-left:14px;border-left:1px solid #a87322}
.diagram-note .note-number{display:block;color:#875509;font:10px monospace;margin-bottom:8px}
.diagram-note h3{font-size:17px;line-height:1.3;margin:0 0 9px}
.diagram-note p{font-size:13px;line-height:1.6;color:#52616a}
.diagram-note--1{left:calc(2% + var(--art-shift,0%));bottom:12px}
.diagram-note--2{right:1%;bottom:12px}
.diagram-note--3{left:calc(33% + var(--art-shift,0%));top:74px}
.diagram-note:after{content:'';position:absolute;width:1px;height:35px;background:#a8b6bb;left:12px;bottom:calc(100% + 8px)}
.diagram-note--3:after{top:calc(100% + 8px);bottom:auto;left:30%}
.diagram-note.will-reveal{opacity:var(--note-opacity,0);transform:translateY(var(--note-offset,12px));transition:none}
.diagram-note.is-visible{opacity:1;transform:none}
@media(max-width:720px){.integrated-figure{padding:0}.diagram-note{position:relative;inset:auto;width:auto;max-width:none;margin:22px 0 0 0;padding-left:14px}.diagram-note:after{display:none}.diagram-note h3{font-size:17px;margin:0 0 7px}.diagram-note p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.diagram-note.will-reveal{opacity:1;transform:none;transition:none}}
/* The entire foundation fills the viewport before its scroll sequence starts. */
#foundation.scroll-story{padding:0;height:190vh;height:190svh;position:relative;scroll-margin-top:0}
.scroll-story .foundation-pin{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;justify-content:center;overflow:clip}
.scroll-story .foundation-pin>.shell{flex-shrink:0;transform:scale(var(--story-scale,1));transform-origin:center center;padding-block:18px}
.scroll-story .section-heading{margin-bottom:24px}
.scroll-story .section-heading h2{font-size:clamp(28px,3.2vw,44px);margin:0 0 14px}
.scroll-story .integrated-figure{padding-top:125px;padding-bottom:130px}
@media(max-width:720px){.scroll-story .section-heading{text-align:center;margin-bottom:12px}.scroll-story .integrated-figure{padding:0}.scroll-story .diagram-note{margin-top:14px}.scroll-story .diagram-note p{line-height:1.45}}
@media(prefers-reduced-motion:reduce){#foundation.scroll-story{height:auto}.scroll-story .foundation-pin{position:static;height:auto;overflow:visible}.scroll-story .foundation-pin>.shell{transform:none}}
.integrated-figure>.interactive-diagram{display:block;width:100%;height:auto;aspect-ratio:1380/400;pointer-events:none}
/* Phones get a compact arrangement of the same drawing; the script drives whichever is shown. */
.integrated-figure>.interactive-diagram--portrait{display:none;aspect-ratio:800/455}
@media(max-width:720px){.integrated-figure>.interactive-diagram{display:none}.integrated-figure>.interactive-diagram--portrait{display:block}}
.interactive-diagram>img{display:block;width:100%;height:auto}
.scroll-story .interactive-diagram:not(.is-ready){opacity:0}
@media(prefers-reduced-motion:reduce){.scroll-story .interactive-diagram:not(.is-ready){opacity:1}}
/* Phone nav: menu.js puts .has-menu on <html>; below 720px the links fold behind a
   three-line button and open as a panel under the bar. Without the script the bar wraps as before. */
.menu-btn{display:none}
@media(max-width:720px){
.has-menu .header{position:relative;flex-wrap:nowrap}
.has-menu .menu-btn{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;margin-left:auto;margin-right:-8px;padding:0 8px;background:none;border:0;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;border-radius:1px;background:var(--ink);transition:transform .2s,opacity .2s}
.is-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.is-open .menu-btn span:nth-child(2){opacity:0}
.is-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.has-menu .header nav{display:none}
.has-menu .header.is-open nav{display:flex;flex-direction:column;gap:0;position:absolute;z-index:20;top:100%;left:-20px;right:-20px;margin:0;padding:6px 20px 14px;background:var(--bg);border-bottom:1px solid var(--line);font-size:16px}
.has-menu .header.is-open nav a{padding-block:12px;border-top:1px solid var(--line)}
.has-menu .header.is-open nav a:first-child{border-top:0}
}
@media(max-width:720px) and (prefers-reduced-motion:reduce){.menu-btn span{transition:none}}