:root{color-scheme:dark;--canvas:#0b111c;--surface:#121d2c;--surface2:#16263b;--line:#293d55;--accent:#5299ff;--text:#eef4fc;--body:#c0cfe0;--muted:#93a9c1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--text);font:16px/1.65 'DM Sans',Arial,sans-serif}a{color:#9ac7ff;text-underline-offset:3px}a:hover{color:#fff}a:focus-visible,button:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid #b8d8ff;outline-offset:4px}h1,h2,h3{font-family:Manrope,Arial,sans-serif;letter-spacing:-.048em;line-height:1.22}p{margin:0 0 1rem}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}.skip{position:absolute;z-index:200;left:12px;top:-80px;background:#fff;color:#091727;padding:12px 18px}.skip:focus{top:12px}.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:101}.prototype-banner{background:#223853;border-bottom:1px solid #45658a;padding:9px 24px;display:flex;gap:18px;justify-content:center;align-items:center;font-size:11px;color:#e8f3ff}.prototype-banner strong{letter-spacing:.08em}.prototype-banner span{color:#c3d6eb}.site-header{border-bottom:1px solid #26384e}.header-inner{height:79px;display:flex;align-items:center;gap:35px}.brand{font:800 16px Manrope,Arial,sans-serif;color:#f1f6ff;text-decoration:none;letter-spacing:-.06em;white-space:nowrap}.brand span{font-weight:500}.brand b{color:var(--accent);font-size:24px}.site-header nav{display:flex;align-items:center;gap:24px;margin-left:auto}.site-header nav a{font-size:12px;color:#a8bad0;text-decoration:none}.site-header nav a[aria-current]{color:#f2f7ff}.header-side{font-size:10px;color:#8197af;border-left:1px solid #33465e;padding-left:22px;letter-spacing:.1em}.menu-toggle{display:none}.case-hero{padding:66px 0 56px}.breadcrumbs,.eyebrow,.section-index,.side-heading,.small-label{font-size:10px;font-weight:700;letter-spacing:.17em;color:#91bbf3}.breadcrumbs{display:flex;gap:13px;color:#8ca1b9}.eyebrow{margin:58px 0 22px}.eyebrow-divider{color:#57708c;padding:0 8px}.case-hero h1{font-size:clamp(45px,6.4vw,85px);max-width:1040px;font-weight:800;line-height:1.07;margin:0}.case-hero h1 em{font-style:normal;color:var(--accent)}.deck{max-width:850px;font-size:clamp(19px,2.25vw,25px);line-height:1.6;color:#b7cadf;margin:28px 0 31px}.case-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.case-actions a{text-decoration:none;font-size:13px;font-weight:700}.primary-action{background:#579bfa;color:#071626;padding:12px 18px;border-radius:5px}.primary-action:hover{background:#8bc0ff;color:#071626}.secondary-action{padding:12px 7px}.hero-separator{height:1px;background:var(--line);margin:55px 0 24px}.metadata{margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px 38px}.metadata div{min-width:0}.metadata dt{font-size:10px;letter-spacing:.13em;color:#8da5bf}.metadata dd{margin:5px 0 0;font-size:13px;color:#e2ebf7}.case-frame{border-top:1px solid var(--line);padding-top:66px;padding-bottom:120px;display:grid;grid-template-columns:205px minmax(0,760px);gap:68px}.sticky{position:sticky;top:30px}.side-heading{color:#8ca2bc;margin:0 0 20px}.toc{display:flex;flex-direction:column;border-left:1px solid var(--line)}.toc a{display:block;font-size:12px;line-height:1.45;text-decoration:none;color:#99acc2;padding:10px 10px 10px 15px;border-left:2px solid transparent;margin-left:-1px}.toc a:hover,.toc a.active{border-color:var(--accent);color:#fff}.aside-rule{height:1px;background:var(--line);margin:26px 0}.aside-copy{font-size:12px;color:#a8b9ce;line-height:1.75}.aside-link{font-size:12px;text-decoration:none}.prose{min-width:0}.prose p,.prose li{color:var(--body);font-size:17px;line-height:1.85}.prose p{margin:0 0 22px}.prose .lead{font-size:19px;color:#dfebf8}.section{scroll-margin-top:35px}.section+.section{margin-top:90px}.section-index{display:block;margin-bottom:14px!important}.section h2,.related h2{font-size:clamp(29px,3.1vw,40px);margin:0 0 26px}.section h3{font-size:20px;margin:0 0 12px}.note{margin:34px 0;padding:25px 28px;background:#12233a;border-left:3px solid #73aaf2}.note p{font-size:15px;margin:0}.note .note-title{font-size:11px;letter-spacing:.13em;font-weight:700;color:#add0ff;text-transform:uppercase;margin-bottom:7px}.placeholder-notice{font-size:10px!important;font-weight:700;letter-spacing:.11em;color:#e2cba3!important}.finding-list{margin-top:24px;border-top:1px solid var(--line)}.finding{display:grid;grid-template-columns:55px 1fr;gap:15px;padding:26px 0;border-bottom:1px solid var(--line)}.finding>span{font:700 13px Manrope;color:#8ebfff}.finding p{font-size:15px;margin:0 0 9px}.finding a{font-size:12px}.exhibit{border:1px solid #365477;background:#101e30;margin:36px 0 44px;padding:25px;border-radius:8px}.exhibit-top{display:flex;justify-content:space-between;gap:15px;font-size:10px;letter-spacing:.12em;color:#a0c7fb}.chain{display:flex;align-items:stretch;gap:10px;margin:30px 0;justify-content:center}.chain>div{border:1px solid #3a5a7b;border-radius:6px;background:#182c45;flex:1;min-width:0;padding:14px 8px;display:flex;flex-direction:column;gap:10px}.chain>div.accent{background:#20456e;border-color:#5a9eed}.chain small{font-size:10px;color:#9fc8ff}.chain strong{font:700 clamp(11px,1.25vw,14px)/1.45 Manrope}.chain>span{align-self:center;color:#82b7fb;font-size:19px}.exhibit figcaption{color:#adc0d6;font-size:12px;line-height:1.6}.placeholder-inline{color:#e9cda5}.legend{display:flex;flex-wrap:wrap;gap:10px 20px;margin:20px 0 23px}.legend span{display:flex;align-items:center;gap:7px;font-size:12px;color:#c0d0e2}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.reported{background:#7ca6da}.inference{background:#b9c3d0}.unknown{background:#cfad75}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid #324a66;border-radius:6px}.table-scroll table{width:100%;min-width:760px;border-collapse:collapse;text-align:left}.table-scroll caption{caption-side:top;text-align:left;padding:12px 16px;font-size:12px;color:#b3c9e1}.table-scroll th,.table-scroll td{padding:15px 14px;border-top:1px solid #304560;vertical-align:top;font-size:13px;line-height:1.55}.table-scroll thead th{background:#1a2d44;color:#e7f0fb;font-size:11px}.table-scroll tbody th{color:#e3edfb;font-weight:600}.table-scroll td{color:#b9c9db}.table-hint{color:#93aac4!important;font-size:12px!important;margin-top:12px!important}.split-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:25px 0}.split-cards>div{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:7px}.split-cards span{font-size:10px;letter-spacing:.1em;color:#a6c9f2}.split-cards h3{margin:16px 0 8px}.split-cards p{font-size:14px}.prose blockquote{border-left:3px solid var(--accent);margin:30px 0;padding:8px 0 8px 23px;font:600 23px/1.5 Manrope;color:#dceaff}.method-box{padding:26px 30px;background:#12233a;border:1px solid #395578;border-radius:7px}.method-box ul{padding-left:19px;margin-bottom:0}.method-box li{font-size:14px;margin:5px 0}.references{padding-left:22px}.references li{font-size:14px;margin-bottom:16px}.related{border-top:1px solid var(--line);margin-top:85px;padding-top:40px}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.related-grid a{background:#132239;border:1px solid #314c6b;border-radius:7px;padding:24px;color:#e7f1fd;text-decoration:none;display:flex;flex-direction:column;min-height:205px}.related-grid a:hover{border-color:#78b2fa}.related-grid span{font-size:10px;color:#9cc7ff;letter-spacing:.12em}.related-grid strong{font:700 19px/1.35 Manrope;letter-spacing:-.035em;margin:17px 0}.related-grid small{margin-top:auto;font-size:12px;color:#94bdf3}.site-footer{border-top:1px solid var(--line);padding:34px 0}.site-footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:10px;color:#879db4}.site-footer b{color:#5299ff}.mobile-toc{display:none}@media(max-width:900px){.header-side{display:none}.case-frame{grid-template-columns:170px minmax(0,1fr);gap:32px}.site-header nav{gap:13px}}@media(max-width:700px){.wrap{width:min(100% - 36px,1160px)}.prototype-banner{display:block;text-align:center}.prototype-banner strong{display:block}.site-header{position:relative}.header-inner{height:67px}.menu-toggle{display:block;margin-left:auto;border:1px solid #385371;background:#16273c;border-radius:5px;padding:8px 12px;color:#f0f6ff;font:600 13px 'DM Sans'}.site-header nav{display:none;position:absolute;z-index:30;top:66px;left:0;right:0;background:#101c2b;padding:12px 20px 22px;border-bottom:1px solid #36506d;flex-direction:column;align-items:stretch;gap:0}.site-header nav.open{display:flex}.site-header nav a{padding:13px 8px;font-size:14px}.case-hero{padding:40px 0 38px}.eyebrow{margin:36px 0 19px}.case-hero h1{font-size:clamp(39px,10vw,55px)}.deck{font-size:18px}.hero-separator{margin:37px 0 22px}.metadata{grid-template-columns:1fr 1fr;gap:19px}.case-frame{display:block;padding-top:28px;padding-bottom:70px}.side-nav{display:none}.mobile-toc{display:block;border:1px solid #355274;border-radius:6px;background:#132238;margin:0 0 55px}.mobile-toc summary{cursor:pointer;font-weight:700;padding:16px 18px;color:#dceafb}.mobile-toc summary span{float:right;color:#89b6ed}.mobile-toc nav{display:flex;flex-direction:column;padding:0 18px 14px}.mobile-toc nav a{padding:9px 0;font-size:14px;text-decoration:none}.section+.section{margin-top:72px}.chain{display:grid;grid-template-columns:1fr 25px 1fr;gap:8px}.chain>span:nth-of-type(2){display:none}.chain>div:nth-of-type(3){grid-column:1}.chain>span:nth-of-type(3){grid-column:2}.chain>div:nth-of-type(4){grid-column:3}.exhibit{padding:18px}.exhibit-top{display:block}.exhibit-top span{display:block;margin-bottom:6px}.split-cards,.related-grid{grid-template-columns:1fr}.related-grid a{min-height:170px}.prose p,.prose li{font-size:16px}}@media(max-width:390px){.metadata{grid-template-columns:1fr}.case-actions{gap:8px}.primary-action{padding:11px 12px}.chain strong{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{*{color:#111!important;background:transparent!important;box-shadow:none!important}body{font:12pt/1.5 Georgia,serif}.site-header,.prototype-banner,.progress,.side-nav,.mobile-toc,.case-actions,.site-footer{display:none!important}.wrap{width:100%}.case-hero{padding:0 0 18px}.case-hero h1{font-size:32pt}.deck{font-size:13pt}.case-frame{display:block;padding:16px 0}.section+.section{margin-top:30px}.section,.exhibit,.note,.table-scroll{break-inside:avoid}.table-scroll{overflow:visible}.table-scroll table{min-width:0;font-size:8pt}.table-scroll td,.table-scroll th{padding:5px;font-size:8pt}.related{break-before:page}.related-grid{display:block}.related-grid a{min-height:0}}

/* v1.1 — approved standalone design refinements; keep v5.0 color and typography tokens. */
@media (min-width:701px){.case-hero{padding-top:47px;padding-bottom:40px}.eyebrow{margin-top:38px}.case-hero h1{font-size:clamp(44px,5.8vw,77px)}.deck{margin:20px 0 24px}.hero-separator{margin-top:35px}.case-frame{padding-top:47px}}
.mobile-toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc .toc-chevron{height:10px;width:10px;flex:none;border-right:2px solid #91bff5;border-bottom:2px solid #91bff5;transform:rotate(45deg);transition:transform .16s ease;margin-right:3px;margin-top:-4px}
.mobile-toc[open] .toc-chevron{transform:rotate(225deg);margin-top:5px}
@media(max-width:700px){
  .prototype-banner{padding:6px 12px;font-size:10px;line-height:1.4}
  .case-hero{padding:22px 0 22px}
  .breadcrumbs{font-size:9px;gap:8px}
  .eyebrow{margin:18px 0 11px;font-size:9px;line-height:1.5}
  .case-hero h1{font-size:clamp(35px,9.3vw,50px);line-height:1.09}
  .deck{font-size:16px;line-height:1.5;margin:14px 0 16px}
  .case-actions a{font-size:12px}
  .primary-action,.secondary-action{padding:8px 10px}
  .hero-separator{margin:18px 0 13px}
  .metadata{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 12px}
  .metadata div:not(.metadata-primary){display:none}
  .metadata dt{font-size:9px;line-height:1.4;letter-spacing:.06em}
  .metadata dd{font-size:11px;line-height:1.5;overflow-wrap:anywhere}
  .case-frame{padding-top:17px}
  .mobile-toc{margin-bottom:34px}
  .mobile-toc summary{padding:12px 15px;font-size:14px}
  .chain{display:flex;flex-direction:column;gap:0;align-items:stretch;margin:20px 0}
  .chain>div{width:100%;min-height:57px;flex:none;padding:11px 15px;flex-direction:row;align-items:center;gap:16px}
  .chain>div small{font-size:11px;min-width:23px}
  .chain>div strong{font-size:13px;line-height:1.3}
  .chain>div strong br{display:none}
  .chain>span,.chain>span:nth-of-type(2),.chain>span:nth-of-type(3){display:block;align-self:center;transform:rotate(90deg);height:27px;line-height:27px;font-size:20px}
}
@media(max-width:390px){.metadata{grid-template-columns:repeat(3,minmax(0,1fr))}.case-hero h1{font-size:clamp(33px,9.1vw,38px)}.case-actions{gap:4px}.chain strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){.mobile-toc .toc-chevron{transition:none}}

.metadata-more{display:none}
@media(max-width:700px){.metadata-more{display:block;margin-top:11px}.metadata-more summary{display:flex;justify-content:space-between;align-items:center;list-style:none;cursor:pointer;font-size:11px;color:#a9cdf9;padding:7px 0}.metadata-more summary::-webkit-details-marker{display:none}.metadata-more .toc-chevron{display:block;height:8px;width:8px;border-right:1.5px solid #91bff5;border-bottom:1.5px solid #91bff5;transform:rotate(45deg);margin:0 5px 4px 0}.metadata-more[open] .toc-chevron{transform:rotate(225deg);margin-bottom:0}.metadata-more dl{margin:8px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metadata-more dt{font-size:9px;color:#a8bbd3;letter-spacing:.06em}.metadata-more dd{font-size:11px;margin:3px 0;color:#eef4fc;line-height:1.5}}
@media print{.metadata-more{display:none!important}}