@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=Source+Sans+3:wght@400;500;600;700&display=swap');:root{--paper:#f9f8f5;--ink:#282722;--muted:#706c65;--line:#dcd9d2;--link:#923c36}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.77 'Source Sans 3',Arial,sans-serif}.site{max-width:950px;margin:auto;padding:0 30px}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:2px solid var(--link);outline-offset:3px}.top{padding:29px 0 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-family:'Libre Baskerville',Georgia,serif;color:var(--ink);font-size:17px;font-weight:700;white-space:nowrap}.top nav{display:flex;gap:18px;flex-wrap:wrap}.top nav a{font-size:14px;color:#625e57}.top nav a:hover{color:var(--link)}.menu-toggle{display:none}main{max-width:760px;margin:52px auto 90px;min-height:55vh}h1,h2,h3{font-family:'Libre Baskerville',Georgia,serif;font-weight:400;line-height:1.4;letter-spacing:-.025em}h1{font-size:clamp(29px,4vw,42px);margin:0 0 20px}h2{font-size:24px;margin:44px 0 13px}h3{font-size:18px;margin:0 0 7px}p{margin:0 0 16px}p.lede{font-size:19px;line-height:1.75}strong{font-weight:700}.eyebrow{font:600 11px/1.5 'Source Sans 3',sans-serif;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-bottom:13px}.intro{display:grid;grid-template-columns:minmax(0,1fr) 155px;gap:36px;align-items:start}.portrait{margin:10px 0 0}.portrait img{width:100%;display:block;border:1px solid var(--line);background:#e9e6df}.portrait figcaption{font-size:12px;color:var(--muted);margin-top:8px;text-align:center}.linkline{display:flex;gap:16px 24px;flex-wrap:wrap}.muted,.meta{color:var(--muted)}section+section{margin-top:45px;padding-top:8px;border-top:1px solid var(--line)}.entries{margin-top:18px}.entry{padding:18px 0;border-bottom:1px solid var(--line)}.entry:first-child{border-top:1px solid var(--line)}.entry p{color:#55524c;margin:0;font-size:15.5px}.entry h3 a{color:var(--ink)}.entry h3 a span{color:var(--link);font-size:14px}.entry .eyebrow{margin-bottom:6px}.article{margin-top:28px}.article h2{margin-top:38px}.equation{font-family:Georgia,serif;text-align:center;padding:18px 12px;margin:22px 0;background:#f1efe9;border:1px solid var(--line);overflow-x:auto;font-size:18px}.pipeline{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:20px 0}.pipeline span{border:1px solid #c9c5bc;padding:9px 12px;font-size:13px;background:#f4f2ed}.pipeline b{font-size:13px;color:var(--muted)}.notice,.empty{border-left:3px solid #a39b8f;background:#f2f0ea;padding:18px 22px;margin:28px 0}.notice p,.empty p{margin-bottom:8px}.empty h2{margin:0 0 12px}.back{margin-top:55px}.principles dt{font-weight:700;margin-top:18px}.principles dd{margin-left:0;color:#514d47}.certs>div{padding:16px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:2px}.certs>div:first-child{border-top:1px solid var(--line)}.certs span,.certs small{color:var(--muted);font-size:14px}footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;border-top:1px solid var(--line);padding:22px 0 42px;font-size:13px;color:var(--muted)}footer a{color:var(--muted)}@media(max-width:760px){.site{padding:0 20px}.top{display:block}.top nav{margin-top:17px;gap:8px 18px}main{margin:35px auto 70px}.intro{grid-template-columns:1fr 100px;gap:15px}.portrait{margin-top:5px}p.lede{font-size:18px}h2{font-size:22px}}@media(max-width:480px){.intro{grid-template-columns:1fr}.portrait{grid-row:1;width:95px;margin:0 0 7px}.top nav{display:none;flex-direction:column;gap:9px}.top nav.open{display:flex}.menu-toggle{display:inline-block;float:right;background:none;border:1px solid var(--line);padding:5px 10px;color:var(--ink);font:inherit;font-size:13px}.top:after{content:'';display:block;clear:both}.brand{display:inline-block;padding-top:5px}.equation{font-size:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Mathematical typesetting */
.math-display{overflow-x:auto;overflow-y:hidden;margin:1.4rem 0;padding:.5rem 0;}
mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;max-width:100%;padding:.35rem 0;}
mjx-container{font-size:105%!important;}
