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rgba(255,255,255,.3);border-radius:var(--radius);color:#fff;transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}.site-footer__social a:hover{background:#ffffff29;border-color:#ffffff80;color:#fff}.tools{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:8px}.tool{display:grid;place-items:center;width:46px;height:46px;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffeb;backdrop-filter:blur(8px);color:var(--ink-700);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),opacity var(--dur) var(--ease),visibility var(--dur) var(--ease)}.tool:hover{color:var(--blue-600);border-color:var(--blue-300)}.tool.is-hidden{opacity:0;visibility:hidden;transform:translateY(8px)}.search-overlay{position:fixed;inset:0;z-index:90;background:#0b12206b;backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility 0s linear var(--dur)}.search-overlay.is-open{opacity:1;visibility:visible;transition:opacity var(--dur) var(--ease),visibility 0s}.search-panel{position:relative;width:min(680px,calc(100% - 32px));max-height:min(72vh,640px);margin:12vh auto 0;overflow:hidden;display:flex;flex-direction:column;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg);transform:translateY(-12px) scale(.99);transition:transform var(--dur) var(--ease-out)}.search-overlay.is-open .search-panel{transform:none}.search-field{display:flex;align-items:center;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line)}.search-field svg{color:var(--ink-400);flex:0 0 auto}.search-input{flex:1;border:0;background:none;color:var(--ink-900);font-family:inherit;font-size:1.05rem;outline:none}.search-input::placeholder{color:var(--ink-300)}.search-results{overflow-y:auto;padding:10px}.search-results ul{margin:0;padding:0;list-style:none}.search-result-item a{display:block;padding:12px 14px;border-radius:var(--radius);color:var(--ink-900);font-size:.95rem;font-weight:550;transition:background-color var(--dur-fast) var(--ease)}.search-result-item a:hover{background:var(--surface-2);color:var(--blue-600)}.search-result-abstract{margin:4px 14px 12px;color:var(--ink-500);font-size:.85rem;line-height:1.6}.search-keyword{padding:0 2px;background:var(--blue-100);color:var(--blue-800);border-radius:var(--radius)}.search-empty{padding:28px 16px;color:var(--ink-400);font-size:.92rem;text-align:center}.search-close{display:grid;place-items:center;width:34px;height:34px;padding:0;border:0;border-radius:var(--radius);background:var(--surface-3);color:var(--ink-500);cursor:pointer;transition:background-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.search-close:hover{background:var(--blue-100);color:var(--blue-700)}.share-menu{position:absolute;right:calc(100% + 10px);bottom:0;display:flex;flex-direction:column;gap:2px;min-width:148px;padding:6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-md)}.share-menu[hidden]{display:none}.share-menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:var(--ink-700);font-size:.88rem;font-weight:550;transition:background-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.share-menu a:hover{background:var(--surface-2);color:var(--blue-600)}.share-menu i{width:16px;text-align:center;color:var(--ink-400)}.page-head{max-width:68ch;margin-bottom:clamp(32px,4vw,52px)}.page-head__title{margin-bottom:14px}.page-head__lede{max-width:64ch;margin:0;color:var(--ink-500);font-size:clamp(1rem,.95rem + .3vw,1.15rem);line-height:1.65}.intro-block{max-width:68ch;margin-bottom:clamp(34px,4vw,52px)}.intro-block p{margin:0}.reveal{opacity:1;transform:none}.reveal.is-pending{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out);transition-delay:var(--reveal-delay, 0ms)}.reveal.is-visible{opacity:1;transform:none}.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 18px;border-radius:var(--radius);background:var(--blue-600);color:#fff;font-weight:600;transition:top var(--dur) var(--ease)}.skip-link:focus{top:12px;color:#fff}@media(max-width:960px){:root{--header-h: 80px}.site-header__inner{align-items:center;padding-bottom:0}.nav-toggle{display:inline-flex}.site-nav{position:fixed;inset:var(--header-h) 0 auto 0;margin:0;padding:12px var(--gutter) 26px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease)}.site-nav.is-open{opacity:1;visibility:visible;transform:none}.site-nav__list{flex-direction:column;align-items:stretch;gap:2px}.site-nav__link{padding:14px 16px;border-radius:var(--radius);font-size:.85rem;color:var(--ink-700)}.site-nav__link:hover,.site-nav__link[aria-current=page]{color:var(--blue-600)}.site-nav__indicator{display:none}.entry__link{grid-template-columns:1fr 20px;gap:6px 14px}.entry__date{grid-column:1 / -1}.post-nav{grid-template-columns:1fr}.post-nav__link--next{text-align:left;align-items:flex-start}}@media(max-width:620px){:root{--gutter: 18px;--header-h: 68px}.site-header__inner{gap:14px}.brand{gap:12px}.brand__school{padding-right:0}.brand__school img{height:40px}.people-grid{grid-template-columns:1fr;gap:16px}.person__body{padding-left:15px;padding-right:15px}.hero__arrow{display:none}.hero__controls{right:var(--gutter);top:12px}.site-footer__inner{flex-direction:column;align-items:flex-start;gap:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important}*,*:before,*:after{transition-duration:.12s!important;transition-delay:0s!important}.reveal{opacity:1;transform:none}.hero__mark,.hero__title,.hero__actions{opacity:1;transform:none;animation:none}.hero__title .char,.hero__title.is-animating .char{animation:none}.hero__slide img,.hero__slide.is-active img{transform:none}}@media(max-width:380px){.brand{min-width:0;gap:8px}.brand__school{padding-right:8px;flex-shrink:0}.nav-toggle{flex-shrink:0}}