:root{--accent:#1f6f5c;--accent-ink:color-mix(in srgb,var(--accent)68%,#0a1712);--accent-tint:color-mix(in srgb,var(--accent)7%,#fff);--accent-tint-2:color-mix(in srgb,var(--accent)16%,#fff);--ink:#12202b;--muted:#596472;--line:#e6eaf0;--bg:#fff;--bg-soft:#f6f8fb;--max:44rem;--wide:66rem;--shadow:0 1px 2px #10202b0d,0 10px 30px #10202b0f}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font:17px/1.7 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}.wide{max-width:var(--wide)}header.site{z-index:50;background:color-mix(in srgb,var(--bg)82%,transparent);-webkit-backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0}header.site .bar{max-width:var(--wide);justify-content:space-between;align-items:center;gap:1rem;margin:0 auto;padding:.8rem 1.25rem;display:flex}.brand{letter-spacing:-.015em;color:var(--ink);align-items:center;gap:.55rem;font-size:1.12rem;font-weight:800;display:inline-flex}.brand .mark{background:linear-gradient(135deg,var(--accent),var(--accent-ink));border-radius:6px;flex:none;width:1.15rem;height:1.15rem}header.site .topnav{gap:1.35rem;display:flex}header.site .topnav a{color:var(--muted);font-size:.92rem;font-weight:550}header.site .topnav a:hover{color:var(--accent);text-decoration:none}.hero{background:radial-gradient(1100px 380px at 12% -20%,var(--accent-tint-2),transparent 60%),linear-gradient(180deg,var(--accent-tint),var(--bg));border-bottom:1px solid var(--line);padding:3.5rem 0 2.75rem}.hero h1{letter-spacing:-.025em;max-width:20ch;margin:0 0 .7rem;font-size:2.7rem;line-height:1.08}.hero .lede{max-width:46ch;margin:0 0 1.4rem}.lede{color:var(--muted);font-size:1.24rem;line-height:1.5}.chips{flex-wrap:wrap;gap:.5rem;display:flex}.chip{color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:999px;align-items:center;gap:.45rem;padding:.42rem .8rem;font-size:.79rem;font-weight:650;display:inline-flex;box-shadow:0 1px 2px #10202b0a}.chip .dot{background:var(--accent);border-radius:999px;flex:none;width:.45rem;height:.45rem}.chip.accent{color:var(--accent);border-color:color-mix(in srgb,var(--accent)28%,var(--line));background:var(--accent-tint)}h1{letter-spacing:-.02em;margin:1.5rem 0 1rem;font-size:2rem;line-height:1.15}h2{letter-spacing:-.01em;margin:2.25rem 0 .75rem;font-size:1.4rem;line-height:1.3}h3{margin:1.6rem 0 .5rem;font-size:1.12rem}.sec-title{letter-spacing:-.015em;margin:2.5rem 0 1.1rem;font-size:1.4rem}.crumb{color:var(--muted);margin:1.5rem 0 0;font-size:.85rem}.byline{color:var(--muted);margin:.3rem 0 .5rem;font-size:.88rem;font-weight:500}.stat{color:var(--muted);margin:.25rem 0 0;font-size:.82rem;font-weight:650;display:inline-block}.hub-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.85rem;margin:0 0 1rem;display:grid}.hub-card{border:1px solid var(--line);background:var(--bg);border-radius:14px;flex-direction:column;gap:.3rem;padding:1.05rem 1.15rem;transition:border-color .16s,transform .16s,box-shadow .16s;display:flex}.hub-card:hover{border-color:color-mix(in srgb,var(--accent)45%,var(--line));box-shadow:var(--shadow);text-decoration:none;transform:translateY(-3px)}.hub-card .hc-label{color:var(--ink);font-weight:700}.hub-card .hc-n{color:var(--muted);font-size:.82rem}.card-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem;margin:0 0 1rem;display:grid}.art-card{border:1px solid var(--line);background:var(--bg);border-radius:14px;flex-direction:column;gap:.5rem;padding:1.25rem 1.3rem;transition:border-color .16s,transform .16s,box-shadow .16s;display:flex}.art-card:hover{border-color:color-mix(in srgb,var(--accent)45%,var(--line));box-shadow:var(--shadow);text-decoration:none;transform:translateY(-3px)}.art-card .ac-hub{text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-size:.68rem;font-weight:800}.art-card .ac-title{color:var(--ink);font-size:1.08rem;font-weight:680;line-height:1.32}.art-card .ac-desc{color:var(--muted);font-size:.92rem;line-height:1.5}article{font-size:1.05rem}article p{margin:0 0 1.1rem}article .tldr-section{background:var(--accent-tint);border:1px solid color-mix(in srgb,var(--accent)22%,var(--line));border-radius:12px;margin:1.75rem 0;padding:1.1rem 1.3rem}article .tldr-section h2{text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin:0 0 .5rem;font-size:.75rem}article .tldr-section p{margin:0;font-weight:500}article table{border-collapse:collapse;width:100%;margin:1.75rem 0;font-size:.96rem}article th,article td{border:1px solid var(--line);text-align:left;padding:.6rem .75rem}article th{background:var(--bg-soft)}article sup.cite a,article sup.cite{color:var(--accent);font-size:.7em}article .article-updated{color:var(--muted);font-size:.82rem}article ol.sources{color:var(--muted);font-size:.86rem}article ol.sources a{word-break:break-word}article figure{margin:1.5rem 0}article img{border-radius:12px;max-width:100%;height:auto}.list a{border-bottom:1px solid var(--line);padding:.6rem 0;display:block}.list .d{color:var(--muted);font-size:.85rem}nav.related{border-top:1px solid var(--line);margin-top:3rem;padding-top:1.5rem}nav.related h2{text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 .75rem;font-size:.85rem}nav.related ul{margin:0;padding:0;list-style:none}nav.related li{border-bottom:1px solid var(--line);padding:.45rem 0}footer.site{border-top:1px solid var(--line);background:var(--bg-soft);color:var(--muted);margin-top:4.5rem;font-size:.92rem}.foot-top{max-width:var(--wide);grid-template-columns:1.7fr 1fr 1.5fr;gap:2.5rem;margin:0 auto;padding:2.75rem 1.25rem 1.75rem;display:grid}.foot-brand .brand{margin-bottom:.6rem}.foot-brand p{max-width:36ch;margin:0;line-height:1.6}.foot-col h4{text-transform:uppercase;letter-spacing:.08em;color:var(--ink);margin:.15rem 0 .75rem;font-size:.75rem}.foot-col ul{margin:0;padding:0;list-style:none}.foot-col li{margin:0 0 .5rem}.foot-col a{color:var(--muted)}.foot-col a:hover{color:var(--accent)}.foot-col p{margin:0 0 .6rem;line-height:1.6}.foot-legal{max-width:var(--wide);border-top:1px solid var(--line);margin:0 auto;padding:1.3rem 1.25rem;font-size:.82rem}.foot-legal p{margin:0}@media (max-width:680px){header.site .topnav{display:none}.hero{padding:2.5rem 0 2rem}.hero h1{font-size:2.1rem}.lede{font-size:1.12rem}.foot-top{grid-template-columns:1fr;gap:1.5rem}}