:root{
--ease:cubic-bezier(.32,.72,0,1);
--rise:.28s var(--ease);
color-scheme:light dark;
--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Helvetica,Arial,"Segoe UI",system-ui,sans-serif;
--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
--bg:#f5f5f7;--card:#ffffff;--ink:#1d1d1f;--muted:#6e6e73;
--rule:#d2d2d7;--hairline:rgba(0,0,0,.09);
--accent:#0068d1;--accent-strong:#0071e3;--accent-soft:rgba(0,113,227,.1);
--fill:#e8e8ed;--fill-hover:#dedee3;
--nav:rgba(251,251,253,.78);
--shadow-sm:0 1px 2px rgba(0,0,0,.06),0 4px 14px rgba(0,0,0,.06);
--shadow-md:0 2px 6px rgba(0,0,0,.08),0 12px 32px rgba(0,0,0,.12);
--r-s:10px;--r-m:12px;--r-l:18px;--r-pill:980px;
--header-h:76px;--shell:1024px;
--t-small:.8125rem;--t-body:1.0625rem;--t-title:1.3125rem;--t-lead:1.375rem;--t-section:1.75rem;--t-page:clamp(2.5rem,5vw,3.5rem);
}
html[data-theme="dark"]{
--bg:#000;--card:#1d1d1f;--ink:#f5f5f7;--muted:#a1a1a6;
--rule:#38383a;--hairline:rgba(255,255,255,.13);
--accent:#2997ff;--accent-strong:#2997ff;--accent-soft:rgba(41,151,255,.16);
--fill:#2c2c2e;--fill-hover:#3a3a3c;
--nav:rgba(22,22,23,.72);
--shadow-sm:0 1px 2px rgba(0,0,0,.4),0 4px 14px rgba(0,0,0,.35);
--shadow-md:0 2px 6px rgba(0,0,0,.5),0 12px 32px rgba(0,0,0,.5);
}
@media(prefers-color-scheme:dark){
:root:not([data-theme="light"]){
--bg:#000;--card:#1d1d1f;--ink:#f5f5f7;--muted:#a1a1a6;
--rule:#38383a;--hairline:rgba(255,255,255,.13);
--accent:#2997ff;--accent-strong:#2997ff;--accent-soft:rgba(41,151,255,.16);
--fill:#2c2c2e;--fill-hover:#3a3a3c;
--nav:rgba(22,22,23,.72);
--shadow-sm:0 1px 2px rgba(0,0,0,.4),0 4px 14px rgba(0,0,0,.35);
--shadow-md:0 2px 6px rgba(0,0,0,.5),0 12px 32px rgba(0,0,0,.5);
}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:var(--t-body);line-height:1.6;letter-spacing:-.006em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:rgba(0,113,227,.22)}
img{max-width:100%}
h1,h2,h3{margin:0 0 12px;line-height:1.15;letter-spacing:-.022em;font-weight:700}
h1{font-size:var(--t-page);letter-spacing:-.032em}
h2{font-size:var(--t-section)}
h3{font-size:var(--t-title);font-weight:600}
p{margin:0 0 16px}
strong{font-weight:600}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
.site-shell{width:min(var(--shell),calc(100% - 44px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:var(--nav);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hairline)}
.header-inner{width:min(var(--shell),calc(100% - 44px));margin:0 auto;height:var(--header-h);display:flex;align-items:center;gap:12px}
.wordmark{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;color:var(--ink);text-decoration:none;white-space:nowrap;transition:opacity .22s var(--ease)}
.wordmark span{color:var(--accent-strong)}
.wordmark:hover{opacity:.75;text-decoration:none}
.site-header nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.site-header nav a{color:var(--ink);opacity:.72;font-size:1.0625rem;font-weight:400;padding:10px 18px;border-radius:var(--r-pill);text-decoration:none;white-space:nowrap;transition:background .22s var(--ease),opacity .22s var(--ease),transform .22s var(--ease)}
.site-header nav a:hover{opacity:1;background:var(--fill);text-decoration:none}
.site-header nav a:active{transform:scale(.96)}
.site-header nav a[aria-current]{opacity:1;background:var(--fill);font-weight:600}
.theme-toggle,.nav-burger{display:inline-grid;place-items:center;width:42px;height:42px;flex-shrink:0;border:1px solid transparent;border-radius:50%;background:var(--fill);color:var(--ink);font-size:1.125rem;cursor:pointer;transition:background .18s,transform .18s}
.theme-toggle:hover,.nav-burger:hover{background:var(--fill-hover)}
.theme-toggle:active,.nav-burger:active{transform:scale(.94)}
.js .theme-toggle{display:inline-grid}
.nav-burger{display:none}
main{padding:48px 0 8px;min-height:60vh}
main>*{animation:page-in var(--rise) both}
main>.page-heading{animation-delay:.02s}
main>:nth-child(2){animation-delay:.06s}
main>:nth-child(3){animation-delay:.1s}
main>:nth-child(4){animation-delay:.14s}
main>:nth-child(n+5){animation-delay:.16s}
@keyframes page-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .18s ease-in both}
::view-transition-new(root){animation:vt-in .3s var(--ease) both}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}
@media(prefers-reduced-motion:reduce){main>*{animation:none}}
.eyebrow{font-size:.8125rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.meta,.pub-status,.pub-year,.index{font-size:var(--t-small);color:var(--muted)}
.lead{font-size:var(--t-lead);line-height:1.45;letter-spacing:-.015em;color:var(--ink);opacity:.85;max-width:720px}
.page-heading{max-width:800px;margin:0 0 32px}
.page-heading h1{margin-bottom:12px}
.page-heading p:not(.eyebrow):not(.lead){color:var(--muted)}
.introduction{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.intro-copy>p:not(.eyebrow):not(.affiliation):not(.lead){max-width:660px}
@media(min-width:601px){.page-index .intro-copy>p:not(.eyebrow):not(.affiliation):not(.lead){font-size:1.1875rem;line-height:1.7}}
.affiliation{color:var(--muted);margin:14px 0 20px}
.portrait{margin:0}
.portrait img{display:block;width:100%;height:auto;aspect-ratio:699/715;object-fit:cover;border-radius:var(--r-l);box-shadow:var(--shadow-md)}
.portrait figcaption{margin-top:14px;font-size:.8125rem;line-height:1.6;color:var(--muted)}
.portrait figcaption strong{display:block;color:var(--ink);font-size:.9375rem}
.portrait figcaption a{font-size:.8125rem}
.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
a.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:10px 20px;border:1px solid transparent;border-radius:var(--r-pill);background:var(--accent-strong);color:#fff;font-family:var(--font);font-size:.9375rem;font-weight:500;letter-spacing:-.005em;line-height:1.2;text-decoration:none;white-space:nowrap;cursor:pointer;box-shadow:none;transition:background .22s var(--ease),transform .16s var(--ease),box-shadow .22s var(--ease)}
a.btn:hover,button.btn:hover{background:var(--accent);text-decoration:none;color:#fff;box-shadow:var(--shadow-sm)}
a.btn:active,button.btn:active{transform:scale(.97)}
.btn .icon{flex:0 0 auto;width:17px;height:17px}
.btn .icon-trail{width:14px;height:14px;opacity:.85}
.section{margin-top:40px}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--hairline)}
.section-heading h2{margin:0;font-size:1.625rem}
.section-heading>a{flex-shrink:0;font-size:.9375rem;font-weight:500;white-space:nowrap}
.interest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.interest-grid>a{display:flex;flex-direction:column;background:var(--card);border-radius:var(--r-l);padding:24px;color:var(--ink);text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.interest-grid>a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);text-decoration:none}
.interest-grid>a:hover h3{color:var(--accent-strong)}
.interest-grid .index{display:block;font-size:.8125rem;font-weight:600;color:var(--muted);margin-bottom:8px}
.interest-grid h3{font-size:1.1875rem;margin-bottom:8px}
.interest-grid p{font-size:.9375rem;line-height:1.55;color:var(--muted);margin:0}
.interest-grid>a::after{content:"Learn more  →";display:block;margin-top:16px;font-size:.9375rem;font-weight:500;color:var(--accent-strong)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 4px}
.tag{display:inline-block;padding:3px 10px;border-radius:var(--r-pill);background:var(--fill);color:var(--muted);font-size:.75rem;font-weight:500;line-height:1.7}
.news{margin:0;background:var(--card);border-radius:var(--r-l);padding:8px 24px;box-shadow:var(--shadow-sm)}
.news>div{display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid var(--hairline)}
.news>div:last-child{border-bottom:0}
.news dt{font-size:.8125rem;color:var(--muted);padding-top:3px;white-space:nowrap}
.news dd{margin:0;font-size:.9375rem;line-height:1.6}
.contact-note{margin-top:40px;background:var(--card);border-radius:var(--r-l);padding:32px;box-shadow:var(--shadow-sm);text-align:left}
.contact-note p{font-size:1.1875rem;font-weight:600;letter-spacing:-.015em;margin:8px 0 4px}
.contact-note>a{display:inline-flex;margin-top:12px;font-size:.9375rem;font-weight:500}
.site-footer{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-top:48px;padding:20px 0 40px;border-top:1px solid var(--hairline);font-size:.8125rem;color:var(--muted)}
.site-footer p{margin:0}
.site-footer>div{display:flex;flex-wrap:wrap;gap:6px 20px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:var(--ink);text-decoration:underline}
.reading-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start}
.contents{position:sticky;top:calc(var(--header-h) + 16px);display:flex;flex-direction:column;gap:2px;font-size:.875rem}
.contents .eyebrow{margin:0 0 8px}
.contents a,.personal-nav a{color:var(--muted);text-decoration:none;padding:8px 14px;border-radius:var(--r-pill);white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease)}
.contents a:hover,.personal-nav a:hover{background:var(--fill);color:var(--ink);text-decoration:none}
.page-contents a[aria-current="location"]{background:var(--fill);color:var(--ink);font-weight:600}
.chapter,.personal-panel{background:var(--card);border-radius:var(--r-l);padding:28px;box-shadow:var(--shadow-sm);scroll-margin-top:calc(var(--header-h) + 20px)}
.chapter{margin-bottom:16px}
.chapter h2{font-size:1.5rem;margin-bottom:16px}
.chapter>p{color:var(--muted)}
.record{padding:16px 0;border-bottom:1px solid var(--hairline)}
.record:first-of-type{padding-top:4px}
.record:last-child{border-bottom:0;padding-bottom:0}
.record h3{font-size:1.0625rem;margin:4px 0 6px}
.record p{margin:0 0 4px;font-size:.9375rem}
.record .meta{margin:0;font-size:.8125rem;color:var(--muted)}
.record .detail{color:var(--muted);font-size:.875rem}
.inline-contents{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.875rem}
.resource-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.resource-list article{background:var(--fill);border-radius:var(--r-m);padding:20px}
.resource-list h3{font-size:1.0625rem;margin-bottom:6px}
.resource-list h3 a{color:var(--ink)}
.resource-list p{margin:0;font-size:.875rem;color:var(--muted)}
.skip-link{position:absolute;top:-100px;left:16px;z-index:100;background:var(--accent-strong);color:#fff;padding:10px 18px;border-radius:var(--r-pill);font-size:.875rem}
.skip-link:focus{top:12px;color:#fff}
@media(max-width:900px) and (min-width:601px){
.site-shell{width:calc(100% - 48px)}
.header-inner{width:calc(100% - 48px)}
.introduction{grid-template-columns:minmax(0,1fr) 240px;gap:32px}
.interest-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.reading-layout{grid-template-columns:170px minmax(0,1fr);gap:24px}
.resource-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:600px){
:root{--header-h:104px}
.site-shell{width:calc(100% - 32px)}
main{padding-top:28px}
h1{letter-spacing:-.028em}
.introduction{display:flex;flex-direction:column;gap:20px}
.page-index #intro-title{text-align:center}
.portrait{display:flex;flex-direction:column;align-items:center;text-align:center}
.portrait img{width:min(200px,72vw)}
.portrait figcaption{max-width:340px}
.intro-copy{text-align:left}
.link-row{gap:8px}
.link-row .btn{flex:1 1 auto}
.interest-grid{grid-template-columns:1fr}
.news{padding:4px 18px}
.news>div{grid-template-columns:72px minmax(0,1fr);gap:12px}
.reading-layout{display:block}
.contents{position:static}
.chapter,.personal-panel{padding:20px}
.section-heading h2{font-size:1.375rem}
.site-footer{flex-direction:column;gap:12px}
.resource-list{grid-template-columns:1fr}
.contact-note{padding:24px 20px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
main>*{animation:none}
::view-transition-old(root){animation:vt-fade .15s linear both}
::view-transition-new(root){animation:vt-fade .15s linear both}
@keyframes vt-fade{from{opacity:0}to{opacity:1}}
*,*::before,*::after{transition:none !important;animation:none !important}
}
@media print{
main>*{animation:none}
body{background:#fff;color:#000;font-size:11pt}
.site-shell{width:100%}
.site-header,.contents,.personal-nav,.site-footer,.skip-link,.publication-actions,.carousel-controls,.drawer-toggle,.btn-split{display:none}
main{padding:0}
.reading-layout,.personal-layout{display:block}
.chapter,.personal-panel,.publication,.record{box-shadow:none;break-inside:avoid;background:none;padding-left:0;padding-right:0}
a{color:inherit;text-decoration:none}
}