/* Color marks evidence and state; the page itself stays quiet. */
.section{padding:72px 0}
.provenance{background:var(--paper)}
h1,h2,h3{line-height:1.2;overflow-wrap:break-word}
.section-head h2,.contact-layout h2,.documents h2,.two-column h2,.hire-section-title h2{font-size:2rem}
.section-head{margin-bottom:32px}
.section-intro{max-width:68ch;font-size:1.125rem;margin-top:16px}
.page-hero h1,.case-hero h1,.article-hero h1,.hire-hero h1{font-size:3rem}
.page-hero,.case-hero,.article-hero{padding-top:56px;padding-bottom:48px}
.page-hero>p:last-child,.article-hero>h1+p,.case-lede,.prose p{font-family:var(--body);font-size:1.125rem;line-height:1.65;max-width:68ch}
.button,.icon-button,.locale-link,.icon-link,.navigator-launch,.navigator-dialog,.navigator-form input,.navigator-submit,.work-dropdown-panel,.segmented-control,.interactive-artifact,.fit-explorer-shell textarea{border-radius:8px}
.hero{background:var(--paper);color:var(--ink);border-bottom:0}
.hero-content{grid-template-columns:minmax(0,1fr) 220px;gap:64px;padding-top:48px;padding-bottom:48px;max-width:1100px}
.hero-copy{max-width:730px}
.hero h1{font-size:3rem;line-height:1.15}
.hero-eyebrow{color:var(--model);font-size:.875rem;margin-bottom:14px}
.hero-headline{font-family:var(--display);font-size:1.75rem;line-height:1.45;margin-top:22px;text-wrap:pretty}
.hero-intro{font-size:1.125rem;line-height:1.65;color:var(--muted);margin-top:18px;max-width:60ch}
.hero-actions{margin-top:24px}
.hero-figure{width:220px;align-self:center}
.hero-media{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;filter:none}
.hero-caption{color:var(--muted);font-size:.875rem;line-height:1.5;margin-top:12px}
.hero-work-link{color:var(--model);font-size:.875rem;margin-top:10px}
.hero-work-link:hover,.hero-work-link:focus-visible{color:var(--ink)}
.hero-meta{margin-top:18px}
.hero-social-link{color:var(--ink);border-color:var(--line)}
.hero-social-link:hover{background:var(--surface-2);color:var(--teal)}
.hero-availability{color:var(--muted);font-size:.875rem;line-height:1.55;max-width:68ch}
.application-contexts{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-bottom:24px}
.application-contexts h3{font-size:1.5rem;margin:6px 0 12px}
.application-contexts p:not(.section-label){font-size:1rem;line-height:1.65;margin-bottom:10px;max-width:50ch}
.application-contexts>div:first-child .section-label{color:var(--human)}
.application-contexts>div:last-child .section-label{color:var(--model)}
.agent-distinction{font-size:.875rem;color:var(--muted);line-height:1.65;max-width:90ch;margin-bottom:32px}
.flagship-record{padding-bottom:22px;border-bottom:1px solid var(--line)}
.flagship-record .flagship-entry{border-bottom:0}
.flagship-trigger{grid-template-columns:104px minmax(0,1fr) 110px 24px;gap:24px;padding:28px 8px 20px;align-items:start}
.flagship-summary h3{font-size:1.5rem;line-height:1.3}
.flagship-summary>span{font-size:1rem;line-height:1.6;display:block;margin-top:10px}
.flagship-summary .flagship-role{color:var(--muted);margin-top:12px}
.flagship-role strong{font-size:.875rem;font-weight:700;color:var(--ink)}
.flagship-meta{font-size:.875rem;line-height:1.5}
.flagship-chevron{grid-column:4;grid-row:1;align-self:center}
.flagship-panel{display:block;padding:0 40px 20px 136px}
.flagship-detail{display:grid;gap:16px;margin:0;font-size:1rem}
.flagship-detail dt{font-size:.875rem;color:var(--case-accent);font-weight:700;margin-bottom:4px}
.flagship-detail dd{margin:0;line-height:1.6}
.flagship-record>.flagship-case-link{margin-left:136px;min-height:44px}
.about-layout{grid-template-columns:240px minmax(0,1fr);align-items:start;gap:56px}
.about-layout figure{width:min(240px,100%);margin:0;align-self:start}
.about-layout img{width:100%;max-width:240px;height:auto;aspect-ratio:auto;object-fit:contain;filter:none;align-self:start}
.about-layout figcaption{font-size:.875rem;line-height:1.55}
.prose p{line-height:1.7}
.prose p+p{margin-top:24px}
.navigator-header-entry .navigator-launch{min-width:0;display:flex;gap:8px;padding:10px 12px;border-radius:8px;background:transparent;border-color:var(--line)}
.navigator-header-entry .navigator-launch-scope{display:none}
.navigator-dialog{width:min(540px,calc(100% - 48px))}
.navigator-frame{overflow-y:auto;overscroll-behavior:contain}
.navigator-intro h2{font-size:1.75rem;line-height:1.25}
.navigator-suggestions{margin-top:18px;flex-shrink:0}
.navigator-suggestions button[aria-pressed="true"]{color:var(--teal);font-weight:700;background:var(--surface-2)}
.navigator-form{grid-template-columns:minmax(0,1fr);margin-top:18px;flex-shrink:0}
.navigator-submit{width:100%;min-height:44px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:1rem}
.navigator-submit:disabled{opacity:.65;cursor:wait}
.navigator-feedback{flex-wrap:wrap;gap:4px 16px;flex-shrink:0}
.navigator-answer,.guide-reading-intro{font-size:1rem;line-height:1.6;flex-shrink:0}
.guide-reading-intro{margin:12px 0 16px;color:var(--muted)}
.navigator-results{overflow:visible;flex-shrink:0}
.navigator-results small{font-size:1rem;line-height:1.55}
.navigator-privacy{flex-shrink:0}
.curated-notes{margin-top:40px}
.curated-notes>h3{font-size:1.25rem;margin-bottom:20px}
.curated-note{display:grid;grid-template-columns:120px minmax(0,1fr);gap:28px;padding:24px 8px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.curated-note h3{font-family:var(--display);font-size:1.5rem;line-height:1.35}
.curated-note>div>p{margin:12px 0;color:var(--muted);max-width:64ch}
.repo-stats,.data-note,.record-year,.breadcrumbs ol,.case-status,.document-link small,.education-list span,.trajectory-list span,.site-footer p,.site-footer a{font-size:.875rem}
.contact-band{background:var(--surface-2);color:var(--ink);padding:64px 0}
.contact-layout>div:first-child>p:last-of-type,.contact-actions>p{color:var(--muted)}
:root[data-theme="dark"] .contact-band{background:var(--surface-2)}
.contact-layout .eyebrow,.contact-actions li a,.contact-brief-link{color:var(--teal)}
.contact-actions .button-light{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.site-footer{background:var(--paper);color:var(--muted);border-top:1px solid var(--line)}
.site-footer a{color:var(--teal)}
.site-footer p{color:var(--muted)}
.application-contexts p:not(.section-label),.flagship-summary>span,.flagship-detail,.curated-note>div>p,.case-overview p,.case-method p,.case-method li,.evidence-slice dd{font-size:1.125rem;line-height:1.75}
.agent-distinction,.hero-availability,.navigator-privacy,.flagship-role strong,.flagship-detail dt,.evidence-slice dt,.case-study .eyebrow{font-size:1rem}
.flagship-trigger{grid-template-columns:48px minmax(0,1fr) 110px 24px}
.flagship-panel{padding-left:80px}
.flagship-record>.flagship-case-link{margin-left:80px}
:root:lang(zh-Hant-TW) .hero-headline{font-family:var(--body);font-weight:650;line-height:1.6}
:root:lang(zh-Hant-TW) .flagship-summary h3,:root:lang(zh-Hant-TW) .curated-note h3{font-family:var(--body);font-weight:700}
.primary-nav,.header-inner{gap:20px}
:root:lang(zh-Hant-TW) .hero-intro,:root:lang(zh-Hant-TW) .section-intro,:root:lang(zh-Hant-TW) .prose p{line-height:1.75;max-width:32em}
@media(max-width:980px){
  .hero-content{grid-template-columns:minmax(0,1fr) 180px;gap:36px;padding:36px 0}
  .hero-figure{width:180px}
  .hero-copy{display:block}
  .flagship-trigger{grid-template-columns:92px minmax(0,1fr) 24px;gap:20px}
  .flagship-signal{display:none}
  .flagship-chevron{grid-column:3;grid-row:1}
  .flagship-panel{padding-left:120px}
  .flagship-record>.flagship-case-link{margin-left:120px}
}
@media(min-width:621px) and (max-width:767px){
  .hero-content{grid-template-columns:minmax(0,1fr) 140px;gap:24px;padding:28px 0}
  .hero-figure{width:140px}
  .hero h1{font-size:2.5rem}
  .hero-headline{font-size:1.5rem;margin-top:16px}
}
@media(max-width:620px){
  body{font-size:1rem}
  .wrap{width:calc(100% - 40px)}
  .section{padding:48px 0}
  .section-head h2,.contact-layout h2,.documents h2,.two-column h2,.hire-section-title h2{font-size:1.625rem}
  .section-intro{font-size:1rem}
  .hero-content{grid-template-columns:minmax(0,1fr) 100px;gap:14px 16px;padding:28px 0 36px}
  .hero-copy{display:contents}
  .hero h1{font-size:2rem}
  .hero-figure{width:100px;grid-column:2;grid-row:1/3;align-self:center}
  .hero-media{width:100px;height:auto}
  .hero-eyebrow{font-size:.875rem;line-height:1.5;margin:0}
  .hero-headline{font-size:1.375rem;line-height:1.5;margin-top:8px}
  .hero-intro{font-size:1rem;line-height:1.7;margin-top:0}
  .hero-actions{margin-top:4px;gap:10px}
  .hero-caption{display:none}
  .hero-work-link{margin-top:0;min-height:44px}
  .hero-meta{margin-top:0;gap:12px}
  .application-contexts{grid-template-columns:1fr;gap:24px}
  .application-contexts h3{font-size:1.375rem}
  .flagship-trigger{grid-template-columns:minmax(0,1fr) 24px;gap:16px;padding:24px 4px 16px}
  .flagship-meta{grid-column:1;justify-content:start;gap:14px}
  .flagship-summary{grid-column:1/-1}
  .flagship-chevron{grid-column:2;grid-row:1}
  .flagship-panel{padding:0 4px 12px}
  .flagship-record>.flagship-case-link{margin-left:4px}
  .about-layout{grid-template-columns:1fr;gap:24px}
  .about-layout figure{width:160px}
  .page-hero h1,.case-hero h1,.article-hero h1,.hire-hero h1,#root[data-page="about"] .page-hero h1{font-size:2rem}
  .page-hero>p:last-child,.case-lede,.article-hero>h1+p,.prose p{font-size:1rem;line-height:1.7}
  .navigator-header-entry .navigator-launch{padding:8px 10px}
  .navigator-frame{padding:20px}
  .curated-note{grid-template-columns:1fr;gap:12px;padding-inline:4px}
  .curated-note h3{font-size:1.375rem}
  .contact-actions .button{font-size:.875rem}
  .contact-band{padding:48px 0}
}
.case-learned p {
  max-width: 74ch;
  font-size: 1.125rem;
  line-height: 1.75;
}
.flagship-outcome strong {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 1rem;
}

.navigator-dialog{inset:0 0 0 auto;width:min(560px,100%);height:100dvh;max-height:100dvh;border-width:0 0 0 1px;border-radius:8px 0 0 8px;box-shadow:-12px 0 40px rgb(0 0 0 / .12)}
.navigator-dialog[open]{display:flex;flex-direction:column}
.navigator-frame{height:auto;flex:1;min-height:0;max-height:none;padding:16px 28px 28px;scrollbar-gutter:stable}
.navigator-header{position:static;flex:0 0 auto;margin:0;padding:20px 28px 12px;background:var(--surface)}
.navigator-intro h2{font-size:1.75rem;line-height:1.25}
.navigator-intro p,.guide-reading-intro,.navigator-privacy{font-size:1rem;line-height:1.65}
.navigator-suggestions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;border:0}
.navigator-suggestions button{min-height:72px;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:.875rem;line-height:1.35;align-items:center}
.navigator-suggestions button svg{display:none}
.navigator-suggestions button[data-guide-intent="research"]{--guide-signal:var(--teal)}
.navigator-suggestions button[data-guide-intent="observatory"]{--guide-signal:var(--environment)}
.navigator-suggestions button[data-guide-intent="tools"]{--guide-signal:var(--validation)}
.navigator-suggestions button[aria-pressed="true"]{color:var(--guide-signal);border-color:var(--guide-signal);background:var(--surface-2)}
.navigator-suggestions button:hover>span:first-child,.navigator-suggestions button:focus-visible>span:first-child{transform:none}
.guide-depth{display:flex;flex-wrap:wrap;gap:6px;border:0;padding:0;margin:22px 0 0}
.guide-depth legend{font-size:.875rem;margin-bottom:8px;color:var(--muted)}
.guide-depth button{min-height:44px;padding:8px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:1rem}
.guide-depth button[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.guide-context{font-size:.875rem;line-height:1.6;margin:14px 0 0;color:var(--environment)}
.navigator-form{grid-template-columns:1fr;margin-top:20px}
.navigator-form input{font-size:1rem;min-height:48px;border-radius:8px}
.navigator-form .navigator-submit{grid-column:1;width:100%;min-height:48px;height:auto;border-radius:8px;display:flex;justify-content:center;gap:10px;padding:10px;font-size:1rem}
.navigator-submit span{display:inline}
.navigator-feedback{font-size:.875rem;line-height:1.5;align-items:start;min-height:40px;flex-wrap:wrap;gap:4px 12px}
.guide-explanation{display:grid;gap:20px;padding:20px 0}
.guide-explanation[hidden],.guide-next-view[hidden],.guide-context[hidden]{display:none}
.guide-explanation h3{font-size:1.25rem;margin:0 0 8px}
.guide-explanation p{font-size:1.125rem;line-height:1.7}
.guide-explanation nav{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:8px}
.guide-explanation nav a{font-size:.875rem;line-height:1.5;min-height:44px;display:inline-flex;align-items:center;color:var(--teal)}
.guide-evidence-heading{font-size:1.125rem;margin:20px 0 12px}
.navigator-results{overflow:visible;flex-shrink:0}
.navigator-results strong{font-size:1.125rem;line-height:1.4}
.navigator-results small,.navigator-results details p{font-size:1rem;line-height:1.65}
.navigator-results details{margin:0 0 14px 42px}
.navigator-results summary{min-height:44px;display:list-item;align-content:center;font-size:.875rem;cursor:pointer}
.navigator-results details a{display:inline-flex;min-height:44px;align-items:center;font-size:.875rem;padding:4px 0;color:var(--teal)}
.guide-context-entry,.guide-next-view{min-height:44px;border:0;background:transparent;padding:8px 0;font-size:1rem;text-align:left;cursor:pointer}
.guide-next-view{color:var(--environment)}
.pw-inspector .guide-context-entry{margin-bottom:12px}
@media(max-width:620px){
  .navigator-dialog{inset:0;width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0}
  .navigator-frame{padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom))}
  .navigator-header{margin:0;padding:16px 20px 12px}
  .navigator-intro h2{font-size:1.5rem}
  .guide-explanation p{font-size:1rem}
  .navigator-suggestions button{padding:8px;min-height:78px}
}