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/* Glass finish and the case-study walkthrough */
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html[data-theme=dark] .site-header{background:#15162abb;border-bottom-color:#ffffff27;box-shadow:0 8px 32px #06071624}
html[data-theme=dark] .hero{background:radial-gradient(circle at 82% 13%,#5759bd44,transparent 37%),radial-gradient(circle at 10% 80%,#ce617a21,transparent 33%),transparent}
html[data-theme=dark] .hero-stage{border:1px solid #ffffff55;box-shadow:0 36px 80px #05051788,inset 0 1px #ffffff80}
html[data-theme=dark] .proof-band,html[data-theme=dark] .about-section{background:#ffffff07;-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);border-color:#ffffff22}
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html[data-theme=dark] .project-card:hover,html[data-theme=dark] .related-grid a:hover{border-color:#adadff;box-shadow:inset 0 1px #ffffff66,0 25px 50px #07081788,0 0 35px #7779dc29}
html[data-theme=dark] .card-tags span,html[data-theme=dark] .case-tags span{border-color:#ffffff45;background:#ffffff0b}
html[data-theme=dark] .spotlight{background:linear-gradient(125deg,#191b51,#2e2062 65%,#582b56)}
html[data-theme=dark] .spotlight-visual{background:linear-gradient(135deg,#ffffff25,#ffffff06);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 30px 65px #05051c80,inset 0 1px #ffffff55}
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html[data-theme=dark] .case-facts{background:#ffffff09}
html[data-theme=dark] .outcome-section{background:linear-gradient(115deg,#252650,#35274b)}
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html[data-theme=dark] .privacy-callout{background:#888bff1a}
html[data-theme=dark] .stage-card{background:#fffffff0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
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@media(max-width:360px){.story-display{height:230px;top:68px}.story-panel strong{font-size:21px}.story-panel{padding:38px 20px 23px}.story-graphic{height:55px}.story-panel small{bottom:25px}}
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@media(max-width:760px){.header-actions>.theme-switch{display:none}.header-actions>.theme-toggle{display:flex}.mobile-nav .theme-switch{display:flex;align-self:flex-start;margin:8px 0 2px}.mobile-nav .theme-choice{min-width:67px;padding:8px 15px}}
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/* Technical case studies and accessible, browser-consistent surfaces. */
html{scroll-padding-top:100px}body{font-synthesis:none}.hero-grid{min-height:560px}.hero h1{font-size:clamp(3rem,5.8vw,5.8rem);line-height:1.08}.hero-stage{min-height:510px}.site-header{background:rgba(247,245,239,.94)}html[data-theme=dark] .site-header{background:rgba(18,19,41,.92)}html[data-theme=dark] .button-primary,html[data-theme=dark] .theme-choice.active,html[data-theme=dark] .story-step.active .story-step-num{color:#15162e}.brand-mark{color:#fff}html[data-theme=dark] .brand-mark{color:#15162e}.intervals span:nth-child(1){width:75%;left:5%}.intervals span:nth-child(2){width:48%;left:31%}.intervals span:nth-child(3){width:57%;left:15%}.intervals span:nth-child(4){width:39%;left:53%}.story-section{overflow:visible}.story-step{opacity:.82}.story-graphic{width:100%;gap:20px;height:145px}.story-graphic i{width:29%;height:90px;display:flex;align-items:center;justify-content:center;padding:8px;font-style:normal;text-align:center}.story-graphic i span{font-size:12px;line-height:1.35;color:#fff;font-weight:700}.story-graphic i:nth-child(2){background:#ffffff22}.story-panel[data-panel="0"] .story-graphic i:nth-child(1),.story-panel[data-panel="1"] .story-graphic i:nth-child(2),.story-panel[data-panel="2"] .story-graphic i:nth-child(3){background:#ed8d786e;border-color:#ffc2b4;box-shadow:0 0 35px #ff9c7955,inset 0 1px #ffffff88}.story-display-head{font-size:9px}.case-nav{display:flex;flex-wrap:wrap;gap:10px;padding-top:45px}.case-nav a{padding:10px 15px;border:1px solid var(--line);border-radius:30px;font-size:12px;font-weight:800;background:var(--paper)}.case-nav a:hover{border-color:var(--brand);color:var(--brand)}.technical-section{padding-top:65px}.technical-intro{max-width:850px}.technical-intro h2 span,.diagnostics-grid h2 span{color:var(--brand)}.technical-intro>p:last-child{font-size:19px;line-height:1.75}.data-contract{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:40px 0}.data-contract>div{padding:27px;background:var(--paper)}.data-contract dt{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:800}.data-contract dd{margin:13px 0 0;color:var(--muted);font-size:14px;line-height:1.7}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px 55px;margin:50px 0}.method-grid article{border-top:1px solid var(--line);padding-top:22px}.method-grid article>span{font-size:12px;color:var(--accent);font-weight:800}.method-grid h3{font-size:24px;margin:13px 0}.method-grid p{font-size:15px;line-height:1.8}.model-equation{padding:32px 36px;border:1px solid var(--line);border-radius:18px;background:var(--soft)}.model-equation>span{font-size:11px;font-weight:800;letter-spacing:.13em;color:var(--brand)}.model-equation .equation{font-family:'DM Sans',Arial,sans-serif;font-size:clamp(20px,2.6vw,30px);font-weight:700;line-height:1.5;color:var(--ink);margin:19px 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table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}.demo-table-wrap th,.demo-table-wrap td{padding:10px 16px;border-bottom:1px solid var(--line)}.demo-table-wrap th{color:var(--brand);background:var(--soft)}.demo-table-wrap td{color:var(--muted)}.audit-trail{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:0;list-style:none}.audit-trail li{font-size:13px;border:1px solid var(--line);border-radius:12px;padding:18px;color:var(--muted)}.audit-trail strong{display:block;color:var(--ink);margin-top:10px}.diagnostics-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px}.diagnostics-grid ul{margin:0;padding:0;list-style:none}.diagnostics-grid li{padding:0 0 23px;margin-bottom:23px;border-bottom:1px solid var(--line)}.diagnostics-grid li strong{font-size:20px;letter-spacing:-.025em}.diagnostics-grid li p{font-size:15px;line-height:1.75;margin:9px 0 0}.discussion-section{padding:60px 0;background:var(--paper);border-block:1px solid 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@media(max-width:760px){.hero-stage{min-height:390px}.hero h1{font-size:clamp(2.65rem,10.5vw,4.5rem)}.story-graphic{height:70px;gap:8px}.story-graphic i{height:55px;width:30%;padding:4px}.story-graphic i span{font-size:9px}.story-panel strong{font-size:22px}.data-contract,.method-grid,.diagnostics-grid{grid-template-columns:1fr}.data-contract>div{padding:22px}.method-grid{gap:22px}.technical-intro>p:last-child{font-size:17px}.model-equation{padding:24px}.demo-controls{padding:20px;gap:16px}.demo-controls label{min-width:100%}.demo-output{padding:20px}.demo-stats{gap:10px}.demo-stats strong{font-size:22px}.demo-stats span{font-size:10px}.demo-chart text{font-size:14px}.audit-trail{grid-template-columns:1fr}.diagnostics-grid{gap:20px}.demo-table-wrap th,.demo-table-wrap td{padding:9px}.story-display{top:76px}.case-nav{padding-top:30px}.discussion-section p:last-child{font-size:17px}}
@media(max-width:360px){.hero h1{font-size:2.55rem}.story-panel strong{font-size:20px}.story-graphic i span{font-size:8px}.demo-output{padding:15px}.demo-stats{grid-template-columns:1fr}.demo-stats>div{border:0;border-bottom:1px solid var(--line);padding:0 0 10px}.demo-stats strong{font-size:25px}.story-display{top:68px}}
@media(prefers-reduced-motion:reduce){.demo-line{animation:none;stroke-dashoffset:0}.reveal-ready{opacity:1;transform:none}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.site-header{background:#f7f5ef}html[data-theme=dark] .site-header{background:#15162a}html[data-theme=dark] .project-card,html[data-theme=dark] .expertise-panel,html[data-theme=dark] .evidence-card{background:#20223e}}
@media(prefers-reduced-motion:no-preference){.stage-noise{animation:ambient 16s ease-in-out infinite alternate;transform:scale(1.1)}@keyframes ambient{to{transform:scale(1.3) translate(-3%,4%);filter:hue-rotate(16deg)}}.demo-bar,.episode-active,.interval-line,.demo-dot{animation:chart-update .55s ease both}@keyframes chart-update{from{opacity:.35}to{opacity:1}}.motion-paused .stage-card,.motion-paused .stage-noise{animation-play-state:paused}}
@media(max-width:440px){.case-hero h1{font-size:2.65rem}}@media(max-width:360px){.case-hero h1{font-size:2.35rem}}