:root{color-scheme:light;--bg:#f6f5ee;--surface:#fffef9;--soft:#e9eee4;--ink:#152d25;--muted:#53675c;--line:#d4ddd0;--accent:#076b4e;--button:#124f3a;--buttonText:#fff;--bar:#173b2b;--barText:#f0f7e8;--shadow:0 20px 60px #163a2510;--gold:#f5a42a}
:root[data-theme=dark]{color-scheme:dark;--bg:#0e0e12;--surface:#13131a;--soft:#19191f;--ink:#edebe4;--muted:#9b9994;--line:rgba(255,255,255,.07);--accent:#21c99f;--button:#21c99f;--buttonText:#0e0e12;--bar:#13131a;--barText:#f5a42a;--shadow:0 20px 60px #0003;--gold:#f5a42a}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:75px}body{margin:0;padding-top:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button{font:inherit;cursor:pointer}.private-bar{position:fixed;inset:0 0 auto;z-index:100;background:var(--bar);color:var(--barText);padding:10px 15px;text-align:center;font-size:9px;line-height:14px;letter-spacing:1.2px;font-weight:700}.shell{max-width:1280px;width:calc(100% - 96px);margin:auto}.header{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:26px 0;border-bottom:1px solid var(--line)}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;font-size:22px;letter-spacing:-.7px}.brand small{font-size:10px;letter-spacing:1.8px;color:var(--accent);margin-left:5px}.brand-mark{display:grid;place-items:center;width:29px;height:29px;border:1px solid var(--accent);border-radius:9px;font-size:15px;font-weight:400;color:var(--accent)}.tools{display:flex;align-items:center;gap:24px}.nav{display:flex;gap:22px;font-size:12px;align-items:center}.nav a{text-decoration:none}.nav .active{color:var(--accent);font-weight:700}.language{display:flex;gap:9px;font-size:10px;border-left:1px solid var(--line);padding-left:22px}.language a{text-decoration:none;color:var(--muted)}.language a[aria-current]{color:var(--ink);font-weight:700}.theme-picker{display:flex;gap:3px;border:1px solid var(--line);border-radius:22px;padding:3px;background:var(--surface)}.theme-picker button{border:0;background:transparent;color:var(--muted);padding:7px 11px;font-size:9px;border-radius:18px;letter-spacing:.5px}.theme-picker button[aria-pressed=true]{background:var(--button);color:var(--buttonText)}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent);margin:0 0 18px}.intro{padding:64px 0 38px;max-width:800px}.intro h1{font-size:clamp(40px,4.2vw,58px);line-height:1.08;letter-spacing:-2px;margin:0 0 22px;font-weight:600}.intro p:not(.eyebrow){font-size:17px;line-height:1.8;color:var(--muted);max-width:710px;margin:0}.feature{display:grid;grid-template-columns:1fr 1.05fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}.feature-visual{min-width:0;background:#142a20;display:flex;position:relative}.feature-visual img{display:block;width:100%;height:100%;object-fit:cover;min-height:440px}.image-label{position:absolute;bottom:15px;left:18px;padding:7px 10px;background:#122c26dc;color:#ecf4e9;font-size:9px;border-radius:7px;letter-spacing:.6px}.feature-copy{padding:42px;align-self:center}.tag{color:var(--accent);background:var(--soft);padding:7px 11px;border-radius:20px;font-size:9px;letter-spacing:1px;display:inline-block;font-weight:700;text-transform:uppercase}.feature h2{font-size:clamp(27px,2.6vw,37px);line-height:1.16;letter-spacing:-1px;font-weight:600;margin:23px 0 18px}.feature h2 a{text-decoration:none}.feature p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 23px}.byline{color:var(--muted);font-size:11px;line-height:1.8}.byline strong{color:var(--ink);font-weight:600}.date-label{display:block;font-size:10px;margin-top:4px}.button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:10px;padding:13px 18px;font-size:12px;font-weight:700;background:var(--button);color:var(--buttonText);margin-top:24px;gap:14px}.button:hover{color:var(--buttonText);filter:brightness(1.07)}.home-section{padding:64px 0 0}.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:25px}.section-head h2{font-size:29px;letter-spacing:-.7px;line-height:1.2;margin:0;font-weight:600}.section-head p{max-width:430px;color:var(--muted);font-size:13px;line-height:1.8;margin:0}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic{display:block;border:1px solid var(--line);border-radius:17px;padding:27px;background:var(--surface);text-decoration:none}.topic .number{font-size:11px;color:var(--accent);display:block;margin-bottom:30px}.topic h3{font-size:20px;letter-spacing:-.4px;line-height:1.3;margin:0 0 12px}.topic p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 24px}.topic small{font-size:10px;color:var(--accent);font-weight:700}.boundary{display:flex;justify-content:space-between;align-items:center;gap:35px;background:var(--soft);border:1px solid var(--line);padding:32px;border-radius:18px;margin:54px 0 60px}.boundary h2{font-size:24px;letter-spacing:-.5px;line-height:1.3;margin:0 0 10px}.boundary p{font-size:13px;line-height:1.8;color:var(--muted);margin:0;max-width:750px}.boundary .button{margin:0;white-space:nowrap}.footer{border-top:1px solid var(--line);padding:25px 0 35px;display:flex;justify-content:space-between;gap:25px;color:var(--muted);font-size:10px;line-height:1.8}.footer nav{display:flex;gap:18px}.footer a{text-decoration:none}.breadcrumb{margin:30px 0 0;font-size:11px;color:var(--muted)}.breadcrumb a{text-decoration:none}.article-head{padding:40px 0 30px;max-width:1000px}.article-head h1{font-size:clamp(37px,4.3vw,59px);font-weight:600;letter-spacing:-1.8px;line-height:1.1;margin:0 0 23px;max-width:1000px}.standfirst{font-size:19px;line-height:1.7;max-width:840px;color:var(--muted);margin:0 0 25px}.article-meta{display:flex;align-items:center;gap:30px;padding:0 0 3px}.article-meta .date{border-left:1px solid var(--line);padding-left:25px;font-size:11px;color:var(--muted);line-height:1.8}.hero{margin:0}.hero img{width:100%;aspect-ratio:16/9;display:block;object-fit:cover;border-radius:19px;background:#13271e}.hero figcaption{font-size:10px;line-height:1.7;color:var(--muted);margin-top:12px;max-width:1000px}.reading{display:grid;grid-template-columns:185px minmax(0,720px);gap:66px;margin:50px auto 0;max-width:1030px}.contents{align-self:start;position:sticky;top:65px;font-size:11px;line-height:1.6}.contents p{font-size:9px;letter-spacing:1.5px;color:var(--muted);text-transform:uppercase;margin:0 0 15px}.contents a{display:block;padding:10px 0;text-decoration:none;border-bottom:1px solid var(--line);color:var(--muted)}.contents a:hover{color:var(--accent)}.prose p{font-size:17px;line-height:1.9;margin:0 0 24px;color:var(--muted)}.prose .lead{font-size:22px;line-height:1.7;color:var(--ink)}.prose h2{font-size:30px;letter-spacing:-.6px;font-weight:600;line-height:1.25;margin:42px 0 22px;scroll-margin-top:65px}.section-number{display:block;font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.prose a{color:var(--accent)}.note,.experiment{background:var(--soft);border:1px solid var(--line);padding:24px 26px;border-radius:13px;margin:28px 0}.note{font-size:14px;line-height:1.8;color:var(--muted);border-left:3px solid var(--accent)}.note strong,.experiment .label{display:block;font-size:9px;line-height:1.7;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent);margin-bottom:9px}.experiment p{margin:0;font-size:16px}.experiment strong{color:var(--ink)}.experiment.negative{border-left:3px solid #a98845}.prose .conclusion{font-size:21px;color:var(--ink)}.source-list{padding-left:20px;font-size:13px;line-height:1.8}.source-list li{margin-bottom:17px}.source-list p{font-size:13px;line-height:1.8;margin:5px 0 0}.author-box{display:flex;gap:17px;border-top:1px solid var(--line);padding:25px 0;margin-top:35px}.author-box h3{font-size:14px;margin:0 0 9px}.author-box p{font-size:13px;line-height:1.8;margin:0}.initials{flex:0 0 40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--accent);font-size:11px}.article-links{margin:45px 0 60px;text-align:center}.article-links .button{margin:0}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:45px;background:var(--surface);padding:15px;z-index:200}
@media(max-width:1050px){.shell{width:calc(100% - 64px)}.tools{gap:16px}.nav{gap:15px}.language{padding-left:12px}.feature-copy{padding:29px}.feature-visual img{min-height:440px}.reading{gap:36px;grid-template-columns:150px minmax(0,720px)}.boundary{display:block}.boundary .button{margin-top:20px}.feature h2{font-size:30px}}
@media(max-width:760px){body{padding-top:42px}.private-bar{min-height:42px;padding:7px 12px;font-size:8px;letter-spacing:.6px;display:flex;justify-content:center;align-items:center}.shell{width:calc(100% - 36px)}.header{flex-wrap:wrap;padding:20px 0 17px;gap:18px}.brand{font-size:21px}.tools{display:contents}.nav{order:3;width:100%;border-top:1px solid var(--line);padding-top:17px;gap:18px;justify-content:flex-start;font-size:11px}.language{border:0;padding:0;margin-left:auto;font-size:10px}.theme-picker{padding:2px;margin-left:0}.theme-picker button{padding:7px 8px;font-size:8px}.intro{padding:39px 0 28px}.intro h1{font-size:40px;letter-spacing:-1.3px}.intro p:not(.eyebrow){font-size:15px}.feature{grid-template-columns:1fr;border-radius:18px}.feature-visual img{height:auto;aspect-ratio:16/9;min-height:0}.feature-copy{padding:27px 24px}.feature h2{font-size:30px}.feature p{font-size:14px}.home-section{padding-top:43px}.section-head{display:block}.section-head h2{font-size:26px}.section-head p{margin-top:14px}.topics{grid-template-columns:1fr;gap:15px}.topic{padding:23px}.topic .number{margin-bottom:20px}.boundary{padding:25px;margin:35px 0 38px}.boundary h2{font-size:23px}.footer{display:block;font-size:9px}.footer nav{margin-top:14px;flex-wrap:wrap}.breadcrumb{margin-top:23px}.article-head{padding:30px 0 25px}.article-head h1{font-size:39px;letter-spacing:-1.2px}.standfirst{font-size:17px}.article-meta{display:block}.article-meta .date{border:0;padding:0;margin-top:13px}.hero img{border-radius:12px}.hero figcaption{font-size:9px}.reading{display:block;margin-top:29px}.contents{position:static;margin-bottom:27px}.contents p{margin-bottom:5px}.contents a{display:inline-block;font-size:10px;margin-right:10px;padding:8px 0}.prose p{font-size:16px;line-height:1.9}.prose .lead{font-size:20px}.prose h2{font-size:27px}.note,.experiment{padding:20px}.source-list{padding-left:18px}.prose .conclusion{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}





/* Private prototype refinement — 17 October 2026 */
.theme-picker button{min-height:38px;min-width:50px}.language a{display:inline-flex;align-items:center;justify-content:center;min-width:28px;min-height:38px}.nav a{padding:8px 0}.feature-notes{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 22px;list-style:none}.feature-notes li{border:1px solid var(--line);border-radius:7px;padding:7px 9px;color:var(--muted);font-size:10px;line-height:1.5}.feature-copy .byline{border-top:1px solid var(--line);padding-top:17px}.feature-copy .button{min-height:44px}.feature .tag{line-height:1.5}.prose p{overflow-wrap:break-word}.contents a{min-height:40px}.footer a{display:inline-flex;align-items:center;min-height:38px}
@media(max-width:760px){.intro h1{font-size:36px;line-height:1.14;letter-spacing:-1px}.article-head h1{font-size:35px;line-height:1.15;letter-spacing:-1px}.feature h2{font-size:27px;line-height:1.2;letter-spacing:-.7px}.intro{padding-top:31px}.intro p:not(.eyebrow){font-size:15px}.feature-copy{padding:24px}.feature-notes{gap:7px;margin-bottom:18px}.feature-notes li{font-size:10px}.header{gap:10px 9px}.brand{gap:8px}.theme-picker button{min-width:44px;min-height:44px;padding:7px}.language{gap:2px}.language a{min-width:25px;min-height:44px}.nav{padding-top:10px;margin-top:4px;gap:18px}.nav a{min-height:42px;display:inline-flex;align-items:center}.theme-picker{margin-left:auto}.article-head{padding-top:27px}.prose h2{font-size:26px;line-height:1.3}.contents a{min-height:44px;display:inline-flex;align-items:center}.article-meta .date{font-size:11px}.private-bar{line-height:1.5}.standfirst{font-size:16px}}
@media(max-width:360px){.intro h1{font-size:33px}.article-head h1{font-size:32px}.feature h2{font-size:25px}.brand{font-size:19px}.brand-mark{width:25px;height:25px}.brand small{font-size:9px}.header{gap:8px}.language a{min-width:23px}.theme-picker button{font-size:8px}}


/* Editorial bars: true ratios, zero origins, no truncated scales. */
.editorial-chart{margin:34px 0;padding:29px;border:1px solid var(--line);border-radius:18px;background:var(--surface);min-width:0}.chart-kicker{font-size:9px;font-weight:600;letter-spacing:1.4px;line-height:1.7;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:13px}.chart-header h3{font-size:24px;line-height:1.25;font-weight:600;letter-spacing:-.6px;margin:0 0 13px}.prose .chart-header p{font-size:13px;line-height:1.8;margin:0;color:var(--muted)}.bar-results{margin:27px 0 20px;display:grid;gap:17px}.bar-result{border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:21px 22px 14px}.bar-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px}.bar-heading h4{font-size:14px;font-weight:600;line-height:1.5;margin:0 0 5px}.prose .bar-heading p{font-size:11px;line-height:1.7;margin:0;max-width:310px}.big-result{white-space:nowrap;font-size:43px;letter-spacing:-1.8px;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}.result-denominator{font-size:25px;letter-spacing:-.6px;color:var(--muted);font-weight:400}.proportional-bar{height:10px;width:100%;background:var(--line);overflow:hidden;border-radius:2px}.proportional-bar>span{display:block;height:100%;background:var(--accent);border-radius:0}.bar-scale{display:flex;justify-content:space-between;font-size:9px;font-variant-numeric:tabular-nums;color:var(--muted);margin-top:7px;line-height:1.4}.bar-legend{display:flex;gap:9px;font-size:11px;line-height:1.8;color:var(--muted);margin:0 0 22px}.legend-marker{display:block;flex:0 0 9px;height:9px;margin-top:5px;background:var(--accent);border-radius:1px}.editorial-chart figcaption{border-top:1px solid var(--line);padding-top:19px;font-size:12px;line-height:1.9;color:var(--muted)}.editorial-chart figcaption>strong{display:block;font-size:12px;color:var(--ink);margin-bottom:5px}.chart-source{display:block;font-size:10px;line-height:1.9;margin-top:12px}.chart-download{display:inline-block;padding:5px 0}.chart-source>a{min-height:30px}
@media(max-width:760px){.editorial-chart{padding:20px 18px}.chart-header h3{font-size:21px}.bar-result{padding:18px 15px 13px}.bar-heading{gap:12px;align-items:flex-start;margin-bottom:19px}.bar-heading h4{font-size:12px;line-height:1.6}.prose .bar-heading p{font-size:11px;line-height:1.7}.big-result{font-size:35px;letter-spacing:-1.2px}.result-denominator{font-size:22px}.bar-scale{font-size:10px}.bar-results{gap:14px}.bar-legend{font-size:11px}.chart-download{min-height:44px;display:inline-flex;align-items:center}}

/* Data plots render as self-contained SVG: axes never depend on page CSS. */
.research-plot{padding:0;overflow:hidden}.research-plot>h3{font-size:20px;margin:24px 26px 0;line-height:1.4}.research-plot .plot-scroll{margin:0}.research-plot .plot-values{font-size:13px;line-height:1.8;padding:0 26px;margin:16px 0;color:var(--ink)}.research-plot .plot-help{font-size:11px;line-height:1.8;margin:10px 26px 20px}.research-plot figcaption{margin:0 26px 25px}.plot-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}

/* Identity tokens and unchanged header symbol from the official research site. */
.tb-logo{width:30px;height:30px;flex:0 0 30px;border-radius:9px;background:linear-gradient(135deg,#1a6652,#21c99f);display:flex;align-items:center;justify-content:center}
.tb-logo svg{width:17px;height:17px;display:block}
.private-bar{border-bottom:1px solid var(--line)}
.experiment.negative{border-left-color:var(--gold)}
:root[data-theme=dark] .image-label{background:rgba(14,14,18,.95);color:var(--ink);border:1px solid var(--line)}
:root[data-theme=dark] .feature-visual,:root[data-theme=dark] .hero img{background:var(--surface)}
:root[data-theme=dark] .tag{background:rgba(33,201,159,.1)}

/* Original EV chip brand asset, unchanged pixels on both themes. */
.tb-logo{width:32px;height:32px;flex:0 0 32px;background:transparent;border-radius:0}
.tb-logo img{display:block;width:32px;height:32px;object-fit:contain}

/* Private expansion: original Insights shell and official identity unchanged. */
/* Keep complete article covers visible; HTML height attributes must not force a crop. */
.hero img{height:auto;aspect-ratio:auto;object-fit:contain}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.article-card{min-width:0;display:block;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--surface);text-decoration:none;transition:border-color .15s ease}
.article-card:hover{border-color:var(--accent);color:var(--ink)}
.article-card>img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article-card-copy{padding:25px}.article-card .eyebrow{font-size:9px;line-height:1.7;display:block;margin:0 0 13px}
.article-card h3{font-size:23px;line-height:1.25;letter-spacing:-.5px;font-weight:600;margin:0 0 15px}
.article-card p{font-size:13px;line-height:1.85;color:var(--muted);margin:0 0 22px}
.card-link{font-size:11px;color:var(--accent);font-weight:700;display:inline-block;padding:8px 0}
.more-insights{margin:55px 0 60px;padding-top:35px;border-top:1px solid var(--line)}.more-insights>h2{font-size:29px;letter-spacing:-.7px;font-weight:600;margin:0 0 25px}
.expanded-chart img{display:block;width:100%;height:auto}.expanded-chart figcaption p{font-size:12px;line-height:1.9;margin:18px 0 10px}
.prose section{min-width:0;scroll-margin-top:65px}
@media(max-width:1050px){.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.article-grid{grid-template-columns:1fr;gap:20px}.article-card h3{font-size:24px}.article-card-copy{padding:24px}.more-insights{margin-top:38px}.expanded-chart>h3{font-size:18px;margin:22px 20px 0}.expanded-chart figcaption{margin:0 20px 22px}}
@media(prefers-reduced-motion:reduce){.article-card{transition:none}}

/* Responsive cover fallback: preserve the original image layout. */
picture.responsive-cover{display:contents}.article-card>.responsive-cover>img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}