/* Reading hierarchy: findings, a visual, evidence, then deeper research. */
.hb-page{max-width:1280px;margin:auto;color:var(--text);font-family:var(--publication-sans);line-height:1.6}.hb-page *{box-sizing:border-box}.hb-page h1,.hb-page h2,.hb-page h3{font-weight:500;letter-spacing:-.035em;color:var(--text);line-height:1.14}.hb-page a{color:inherit;text-underline-offset:4px}.hb-page button,.hb-page select{font:inherit;color:inherit}.hb-page button{cursor:pointer}.hb-page :focus-visible{outline:2px solid var(--focus);outline-offset:4px}.hb-eyebrow{font-size:10px;letter-spacing:.06em;color:var(--text-muted);font-weight:500}.hb-page p{margin:0;max-width:none}.hb-hero{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:75px;align-items:end;padding:45px 0 40px;margin:0;width:100%;max-width:none;border-bottom:1px solid var(--border-strong)}.hb-hero h1{font-size:clamp(42px,4.7vw,64px);letter-spacing:-.05em;margin:17px 0 23px;max-width:940px}.hb-hero>div>p{max-width:700px;font-size:18px;line-height:1.65}.hb-hero-links{display:flex;align-items:center;flex-wrap:wrap;gap:20px 28px;margin-top:25px;font-size:13px}.hb-primary{display:inline-flex;min-height:44px;align-items:center;background:var(--text);color:var(--surface)!important;padding:11px 18px;text-decoration:none}.hb-quick{border-left:1px solid var(--border);padding-left:26px;padding-bottom:5px}.hb-quick label{display:block;font-size:13px;margin-bottom:10px}.hb-quick select{width:100%;min-height:44px;padding:10px 8px;background:var(--surface);border:1px solid var(--border-strong);border-radius:0;font-size:12px}.hb-quick>a{display:block;font-size:12px;margin:16px 0 25px}.hb-quick p{font-size:11px;color:var(--text-muted);line-height:1.8}.hb-section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:25px}.hb-section-head h2{font-size:clamp(27px,3vw,38px);margin:10px 0 0}.hb-section-head>p{font-size:15px;line-height:1.7;max-width:450px}.hb-findings{padding:32px 0 36px}.hb-findings>.hb-section-head{display:block}.hb-findings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.hb-findings-grid article{border-top:1px solid var(--border);padding-top:17px}.hb-number{font-size:11px;color:var(--text-muted)}.hb-findings h3{font-size:23px;margin:12px 0 15px;max-width:310px;line-height:1.2}.hb-findings p{font-size:14px;line-height:1.7}.hb-findings p.hb-implication{color:var(--text-muted);font-size:13px;margin-top:14px}.hb-text-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:16px;font-size:12px}.hb-text-links button,.hb-source-link{border:0;background:transparent;padding:0;text-decoration:underline;text-underline-offset:4px;text-align:left;font-size:12px!important;min-height:32px;line-height:1.5}.hb-findings .hb-source-link{margin-top:16px}.hb-page .hb-footnote{font-size:11px;color:var(--text-muted);line-height:1.7}.hb-findings>.hb-footnote{margin-top:25px}.hb-page .citation-mark{font-size:10px;border:0;border-bottom:1px dotted var(--text-muted);background:none;padding:0 2px;min-height:0!important;color:var(--text-muted)}.hb-map{border-top:2px solid var(--text);padding-top:28px;margin-top:0;scroll-margin-top:25px}.hb-map-head{align-items:end}.hb-map-head h2{font-size:clamp(29px,3.4vw,43px)}.hb-map-head>p{font-size:16px}.hb-map-controls{display:flex;align-items:center;gap:28px;margin:25px 0;border-top:1px solid var(--border);padding-top:20px}.hb-map-controls [role=group]{display:flex;flex-shrink:0}.hb-map-controls button{border:1px solid var(--border-strong);background:transparent;padding:10px 14px;min-height:44px;font-size:12px}.hb-map-controls button+button{border-left:0}.hb-map-controls button[aria-pressed=true]{background:var(--text);color:var(--surface)}.hb-map-controls p{font-size:12px;color:var(--text-muted);max-width:650px;line-height:1.6}.hb-map-layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(230px,1fr);gap:45px;align-items:start}.hb-map figure{margin:0;min-width:0}.hb-map-axis{display:grid;grid-template-columns:65px 1fr;gap:10px;align-items:end;color:var(--text-muted);font-size:10px;line-height:1.4;margin-bottom:12px}.hb-map-axis b{text-align:center;font-size:12px;font-weight:500;color:var(--text)}.hb-matrix{display:grid;grid-template-columns:65px repeat(3,minmax(0,1fr))}.hb-column{font-size:10px;text-align:center;line-height:1.5;padding:10px 8px 13px}.hb-row{font-size:10px;color:var(--text-muted);padding-top:15px}.hb-cell{border-top:1px solid var(--border);border-left:1px solid var(--border);padding:10px;display:flex;flex-direction:column;gap:8px;background:var(--surface-2);min-width:0}.hb-cell-high{min-height:193px}.hb-cell-medium{min-height:215px}.hb-cell-lower{min-height:70px;border-bottom:1px solid var(--border)}.hb-cell:nth-child(4n){border-right:1px solid var(--border)}.hb-map-point{display:flex;gap:10px;align-items:baseline;text-decoration:none;border:1px solid var(--border);border-left:3px solid var(--hb-color);background:var(--surface);padding:10px 8px;font-size:12px;line-height:1.35;min-height:44px}.hb-map-point:hover{outline:1px solid var(--hb-color);outline-offset:1px}.hb-map-point small{font-size:9px;flex-shrink:0;color:var(--text-muted)}.hb-specialist{--hb-color:#6e8191}.hb-extend{--hb-color:#578275}.hb-language{--hb-color:#9a7952}.hb-map figcaption{font-size:11px;color:var(--text-muted);line-height:1.7;margin-top:15px}.hb-map-reading{border-top:1px solid var(--border-strong);padding-top:19px}.hb-map-reading h3{font-size:27px;line-height:1.2;margin:14px 0 18px}.hb-map-reading>p{font-size:14px;line-height:1.7}.hb-map-legend{display:grid;gap:11px;font-size:11px;color:var(--text-muted);padding:20px 0;margin:21px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.hb-map-legend span{display:flex;gap:10px;align-items:center}.hb-map-legend i{width:8px;height:8px;background:var(--hb-color)}.hb-inline-link{font-size:12px;display:block;margin-top:18px}.hb-cases{margin-top:43px;padding-top:28px;border-top:2px solid var(--text)}.hb-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px}.hb-case-grid article{border-top:1px solid var(--border);padding-top:18px}.hb-case-top{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;min-height:30px}.hb-case-top .logo,.hb-case-top .company-logo{width:auto!important;max-width:90px!important;height:25px!important;max-height:25px!important;object-fit:contain;margin:0!important}.hb-case-top .logo img{width:auto!important;max-width:90px!important;height:25px!important;max-height:25px!important;object-fit:contain}.hb-case-top .citation-mark{margin-left:auto}.hb-case-grid h3{font-size:22px;line-height:1.2;margin:17px 0 20px}.hb-case-metric{min-height:100px;border-bottom:1px solid var(--border);margin-bottom:17px;padding-bottom:16px}.hb-case-metric b{display:block;font-size:53px;letter-spacing:-.045em;font-weight:400;line-height:1.15;font-variant-numeric:tabular-nums}.hb-case-metric span{display:block;font-size:12px;color:var(--text-muted);margin-top:5px}.hb-case-grid p{font-size:14px;line-height:1.7;margin:12px 0}.hb-case-grid .hb-case-limit{font-size:12px;color:var(--text-muted)}.hb-case-grid .hb-case-lesson{font-size:13px;border-top:1px solid var(--border);padding-top:15px}.hb-case-grid .hb-source-link{margin-top:7px}.hb-friction{display:grid;grid-template-columns:1fr 1.8fr;gap:65px;border-top:1px solid var(--border-strong);padding:25px 0 0;margin-top:33px}.hb-friction h3{font-size:25px;margin:10px 0}.hb-friction p{font-size:14px;line-height:1.7}.hb-friction a{display:inline-block;font-size:12px;margin-top:15px}.hb-paths{margin:40px 0 0;border-top:2px solid var(--text);padding-top:28px}.hb-paths h2{font-size:clamp(28px,3vw,37px);margin:10px 0 25px}.hb-paths>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px}.hb-paths>div>a{display:block;text-decoration:none;border-top:1px solid var(--border);padding:18px 0 15px}.hb-paths>div>a:hover small{text-decoration:underline}.hb-paths>div>a>span{font-size:23px;letter-spacing:-.025em}.hb-paths>div>a p{font-size:14px;line-height:1.7;margin:12px 0 16px}.hb-paths>div>a small{font-size:12px;text-decoration:underline;text-underline-offset:4px}.hb-paths p.hb-supplier-path{font-size:13px;margin-top:20px;color:var(--text-muted)}.hb-coverage{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;border-top:1px solid var(--border-strong);padding-top:22px;margin:30px 0 10px}.hb-coverage p{font-size:12px;line-height:1.7;margin:10px 0}.hb-coverage details{min-width:0}.hb-coverage summary{font-size:13px;cursor:pointer;min-height:44px;align-content:center}.hb-coverage .hb-text-links{font-size:11px}.hb-coverage button{font-size:11px}.hb-hero,.hb-findings,.hb-map,.hb-cases,.hb-paths{scroll-margin-top:25px}
@media(max-width:1000px){.hb-hero{grid-template-columns:minmax(0,1fr) 230px;gap:35px}.hb-findings-grid,.hb-case-grid,.hb-paths>div{gap:24px}.hb-map-layout{grid-template-columns:minmax(0,2fr) minmax(200px,1fr);gap:26px}.hb-cell{padding:7px}.hb-map-point{font-size:11px;padding:8px 5px;gap:6px}.hb-matrix{grid-template-columns:50px repeat(3,minmax(0,1fr))}.hb-map-axis{grid-template-columns:50px 1fr}.hb-section-head{gap:25px}.hb-map-reading h3{font-size:24px}}
@media(max-width:750px){.hb-hero{grid-template-columns:1fr;padding:27px 0 27px;gap:25px}.hb-hero h1{font-size:clamp(36px,7vw,52px);margin:14px 0 20px;line-height:1.08}.hb-hero h1 br{display:none}.hb-hero>div>p{font-size:16px}.hb-quick{border-left:0;border-top:1px solid var(--border);padding:18px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 22px;align-items:center}.hb-quick label{grid-column:1/-1;margin:0}.hb-quick>a{margin:0;font-size:11px}.hb-quick p{grid-column:1/-1;margin-top:8px;font-size:10px}.hb-findings-grid{grid-template-columns:1fr;gap:22px}.hb-findings h3{max-width:none;font-size:23px;margin:9px 0 12px}.hb-findings article{display:block}.hb-section-head{display:block}.hb-section-head>p{margin-top:16px}.hb-map-layout{grid-template-columns:1fr;gap:25px}.hb-map-head h2 br{display:none}.hb-map-head>p{font-size:15px}.hb-map-controls{display:block;margin:20px 0}.hb-map-controls p{margin-top:13px}.hb-map-reading{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.hb-map-reading>.hb-eyebrow,.hb-map-reading>h3{grid-column:1/-1}.hb-map-reading h3{margin:12px 0 18px;max-width:600px}.hb-map-legend{margin:0 0 16px;padding:0;border:0}.hb-map-reading .hb-footnote{grid-column:1/-1;margin-top:15px}.hb-map-reading .hb-inline-link{font-size:11px}.hb-case-grid{grid-template-columns:1fr;gap:28px}.hb-case-grid article{padding-top:20px}.hb-case-metric{min-height:0;padding-bottom:15px;margin-bottom:15px}.hb-case-metric b{font-size:48px}.hb-case-grid h3{margin-bottom:15px}.hb-friction{grid-template-columns:1fr;gap:12px}.hb-paths>div{grid-template-columns:1fr;gap:8px}.hb-paths>div>a{padding:17px 0}.hb-paths>div>a p{margin:9px 0 12px}.hb-coverage{grid-template-columns:1fr;gap:12px}.hb-page .citation-mark{min-height:32px!important;padding:0 3px}.hb-source-link,.hb-text-links>a{min-height:44px;align-content:center}.hb-case-top .citation-mark{min-width:44px}.hb-paths{margin-top:33px}}
@media(max-width:480px){.hb-matrix{grid-template-columns:34px repeat(3,minmax(0,1fr))}.hb-map-axis{grid-template-columns:34px 1fr;gap:4px;font-size:9px}.hb-column{font-size:9px;line-height:1.4;padding:10px 4px}.hb-row{font-size:9px}.hb-cell{padding:7px 4px;gap:7px}.hb-cell-high{min-height:220px}.hb-cell-medium{min-height:260px}.hb-cell-lower{min-height:86px}.hb-map-point{display:block;font-size:11px;padding:7px 4px;line-height:1.35;min-height:48px;border-left-width:2px}.hb-map-point small{display:block;font-size:8px;margin-bottom:4px}.hb-map-reading{grid-template-columns:1fr;gap:0}.hb-map-reading>p{font-size:14px}.hb-map-legend{margin:20px 0 0}.hb-map-reading .hb-inline-link{font-size:12px;min-height:32px}.hb-hero-links{gap:14px 20px;font-size:12px}.hb-findings,.hb-map,.hb-cases,.hb-paths{padding-top:25px}.hb-findings{padding-bottom:26px}.hb-map-head h2{font-size:31px}.hb-section-head h2{font-size:29px}.hb-page .hb-footnote{font-size:11px}}
@media(prefers-reduced-motion:reduce){.hb-page *{scroll-behavior:auto}}
@media print{.hb-quick,.hb-hero-links,.hb-map-controls,.hb-paths,.hb-coverage{display:none}.hb-findings-grid,.hb-case-grid{grid-template-columns:repeat(3,1fr)}.hb-hero{display:block}.hb-map-layout{display:block}.hb-map-reading{margin-top:20px}.hb-page section,.hb-page article{break-inside:avoid}.hb-map-point{color:#222;background:white}}
@media(max-width:380px){.is-home .publication-tools{gap:8px}.is-home .theme-toggle span{display:none}}
/* First-time readers choose a question before navigating the research. */
.hb-hero{padding:30px 0;gap:45px;grid-template-columns:minmax(0,1fr) 235px}.hb-hero h1{font-size:clamp(37px,4.2vw,54px);margin:12px 0 18px}.hb-hero>div>p{font-size:17px;max-width:690px}.hb-scope p{font-size:11px;line-height:1.8;color:var(--text-muted)}.hb-start{padding:25px 0 30px;border-bottom:1px solid var(--border-strong)}.hb-start-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:19px}.hb-start-heading h2{font-size:22px;margin:0}.hb-start-heading p{font-size:12px;color:var(--text-muted)}.hb-start-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}.hb-start-grid article{padding:8px 28px 0;border-left:1px solid var(--border)}.hb-start-grid article:first-child{padding-left:0;border-left:0}.hb-start-grid article:last-child{padding-right:0}.hb-start-label{font-size:10px;color:var(--text-muted);letter-spacing:.04em}.hb-start-grid h3{font-size:22px;line-height:1.2;margin:12px 0}.hb-start-grid p{font-size:13px;line-height:1.6;min-height:63px;margin-bottom:14px}.hb-start-grid .hb-primary{font-size:12px}.hb-start-grid select{font:inherit;font-size:12px;width:100%;min-height:44px;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:0;padding:9px}.hb-start-grid .hb-source-link{display:block;margin-top:8px;font-size:11px!important}.hb-select-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.hb-findings{padding-bottom:0}.hb-map{margin-top:38px}.hb-map-head h2{max-width:480px}.hb-map-head>p{font-size:15px}.hb-further h2{font-size:27px;margin:0 0 17px}.hb-further>p{font-size:14px;line-height:1.8;max-width:950px}.hb-further p.hb-supplier-path{font-size:12px;margin-top:13px}.simple-nav{position:relative;display:flex!important;align-items:stretch;gap:0}.simple-nav>button{flex:0 1 auto;min-height:53px}.simple-nav .simple-more{margin-left:auto;position:relative;z-index:20;border:0;padding:0}.simple-nav .simple-more>summary{list-style:none;cursor:pointer;font-size:14px;min-height:53px;padding:16px 12px;color:var(--text-muted);border-bottom:2px solid transparent}.simple-more>summary::-webkit-details-marker{display:none}.simple-more[open]>summary,.simple-more:has([aria-current=page])>summary{border-bottom-color:var(--accent);color:var(--text)}.simple-more-menu{position:absolute;right:0;top:100%;width:240px;padding:8px;background:var(--surface);border:1px solid var(--border-strong);display:grid;gap:0}.simple-nav .simple-more-menu button,.simple-more-menu a{display:block;width:100%;min-height:44px;padding:11px 12px!important;font-size:13px;text-align:left;border:0!important;text-decoration:none;color:var(--text);background:none;line-height:1.5}.simple-more-menu a:hover,.simple-nav .simple-more-menu button:hover{background:var(--surface-2)}.simple-nav summary:focus-visible{outline:2px solid var(--focus);outline-offset:-4px}.simple-more-menu a:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}
@media(max-width:1000px){.hb-hero{grid-template-columns:minmax(0,1fr) 190px;gap:25px}.hb-start-grid article{padding-left:20px;padding-right:20px}.hb-start-grid h3{font-size:20px}.hb-start-grid p{min-height:84px}}
@media(max-width:750px){.hb-hero{grid-template-columns:1fr;gap:15px;padding:23px 0}.hb-hero h1{font-size:clamp(35px,7vw,49px)}.hb-hero>div>p{font-size:16px}.hb-scope p{font-size:10px}.hb-scope br{display:none}.hb-scope br:before{content:' '}.hb-start-heading{display:block;margin-bottom:16px}.hb-start-heading h2{font-size:23px}.hb-start-heading p{margin-top:7px}.hb-start-grid{grid-template-columns:1fr}.hb-start-grid article{border-left:0;border-top:1px solid var(--border);padding:19px 0 17px}.hb-start-grid article:first-child{padding-top:0;border-top:0}.hb-start-grid article:last-child{padding-bottom:0}.hb-start-grid h3{font-size:22px;margin:8px 0 10px}.hb-start-grid p{min-height:0;margin-bottom:13px;font-size:13px;max-width:540px}.hb-start-grid select{max-width:400px}.hb-start-grid .hb-source-link{min-height:36px}.hb-start{padding-top:22px;padding-bottom:24px}.hb-findings{padding-bottom:0}.hb-map{margin-top:30px}.hb-map-head h2{font-size:31px}.simple-nav>button{flex:1 1 0;min-height:49px;font-size:12px!important;padding:13px 8px!important}.simple-nav .simple-more{margin-left:0;flex:1 1 0}.simple-nav .simple-more>summary{min-height:49px;text-align:center;padding:13px 8px;font-size:12px}.simple-nav .simple-more-menu{width:225px}.publication-tools .mobile-menu{font-size:12px}.hb-further h2{font-size:27px}}
@media(max-width:400px){.publication-tools .theme-toggle span{display:none}.publication-tools{gap:8px!important}.publication-tools .mobile-menu{padding-left:9px!important}.publication-tools .global-find{font-size:12px}}
@media print{.hb-start,.simple-more{display:none}}
@media(min-width:751px){.simple-nav{gap:28px}.hb-start-grid h3{min-height:53px}}
.simple-nav{overflow:visible}.simple-more-menu .mobile-menu{border-top:1px solid var(--border)!important;margin-top:5px;padding-top:13px!important}
@media(max-width:750px){.simple-nav{gap:0!important}.simple-nav>button,.simple-nav .simple-more>summary{white-space:nowrap;padding-inline:4px!important}}