/* Cluenex Learn. Same tokens as the cluenex.com public pages (clx-public-pages.php) so Learn reads as one site. Light only. */
:root{--bg:#fbfbfd;--card:#fff;--ink:#1d1d1f;--ink2:#424245;--sub:#6e6e73;--ter:#86868b;--line:rgba(0,0,0,.1);--line2:rgba(0,0,0,.06);--fill:#f2f2f5;
--accent:#0071e3;--accent-ink:#0066cc;--accent-soft:rgba(0,113,227,.09);--up:#1a7f37;--down:#c9252c;
--display:'Inter Tight','Inter',-apple-system,BlinkMacSystemFont,sans-serif;--mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.55;letter-spacing:-.011em;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:10px;z-index:99;background:#fff;padding:8px 12px;border-radius:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid rgba(0,113,227,.45);outline-offset:2px;border-radius:6px}
.nav{position:sticky;top:0;z-index:20;background:rgba(251,251,253,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--line)}
.nav-in{max-width:1120px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.02em}.brand:hover{text-decoration:none}
.nav-l{display:flex;gap:20px;margin-left:8px}.nav-l a{font-size:14px;color:var(--ink2)}.nav-l a[aria-current]{color:var(--ink);font-weight:600}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:16px}.nav-r a.lnk{font-size:14px;color:var(--ink2)}
.cta{display:inline-flex;align-items:center;min-height:36px;padding:0 16px;border-radius:999px;background:var(--ink);color:#fff!important;font-size:14px;font-weight:600}.cta:hover{text-decoration:none;opacity:.9}
.cta.blue{background:var(--accent)}.cta.big{min-height:46px;padding:0 22px;font-size:16px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}.narrow-l{max-width:900px}
main{padding:44px 0 80px}
.eb{display:block;font-size:13px;font-weight:600;color:var(--accent-ink);letter-spacing:.01em}
h1{font-family:var(--display);font-size:clamp(32px,4.4vw,48px);line-height:1.08;letter-spacing:-.035em;font-weight:800;margin-top:10px;text-wrap:balance}
h2{font-family:var(--display);font-size:26px;letter-spacing:-.025em;line-height:1.2;font-weight:750}
h3{font-size:18px;letter-spacing:-.015em;line-height:1.3}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--sub);margin-top:14px;max-width:720px;line-height:1.45}
.sub{color:var(--sub)}.fn{font-size:14px}.cap{font-size:12.5px;color:var(--ter)}.mt{margin-top:18px}
.sec{margin-top:52px}.sec-sub{color:var(--sub);margin-top:6px;max-width:720px}
.crumbs{font-size:14px;display:flex;gap:8px;align-items:center;color:var(--ter)}
.byline{margin-top:14px;font-size:14px;color:var(--sub)}.byline a{color:var(--ink2)}
.card{display:flex;flex-direction:column;gap:6px;background:var(--card);border-radius:18px;box-shadow:0 1px 2px rgba(0,0,0,.04),inset 0 0 0 .5px var(--line);padding:20px;color:var(--ink)}
.card:hover{text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.06),inset 0 0 0 .5px var(--line)}
.card b{font-size:17px;line-height:1.3;letter-spacing:-.015em}.card .sub{font-size:14.5px;line-height:1.45}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.search{width:100%;max-width:520px;height:48px;border-radius:12px;border:0;background:var(--fill);padding:0 16px;font:inherit;font-size:16px;margin-top:26px}
.hits{list-style:none;max-width:640px;margin-top:8px;background:#fff;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.08),inset 0 0 0 .5px var(--line);padding:6px}
.hits a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink)}.hits a:hover{background:var(--fill);text-decoration:none}.hits span{display:block;font-size:14px;color:var(--sub)}.hits li.sub{padding:10px 12px}
.list{list-style:none;margin-top:14px;border-top:.5px solid var(--line2)}
.list li{display:flex;gap:16px;align-items:baseline;border-bottom:.5px solid var(--line2);padding:12px 0}
.list li a{flex:1;color:var(--ink);min-width:0}.list li a:hover{text-decoration:none}.list li a:hover b{color:var(--accent-ink)}
.list li b{display:block;font-weight:600;font-size:16.5px;line-height:1.35}.list li span{display:block;color:var(--sub);font-size:14.5px;margin-top:2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.list time{font-size:13px;color:var(--ter);white-space:nowrap}
/* article */
.art-grid{display:grid;grid-template-columns:minmax(0,720px) 220px;gap:64px;justify-content:center}
.art{min-width:0}
.answer{margin-top:26px;background:var(--card);border-radius:16px;padding:18px 20px;box-shadow:inset 0 0 0 1px rgba(0,113,227,.2)}
.answer p{margin-top:6px;font-size:18.5px;line-height:1.5;color:var(--ink)}
.keynums{margin-top:16px;background:var(--fill);border-radius:16px;padding:16px 20px}
.keynums dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:10px}
.keynums dt{font-size:13px;color:var(--sub)}.keynums dd{font-size:20px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.keynums dd .cap{display:block;font-weight:500;letter-spacing:0}
.takeaways{margin-top:16px;padding:16px 20px;border-radius:16px;background:var(--card);box-shadow:inset 0 0 0 .5px var(--line)}
.takeaways ul{margin-top:8px;padding-left:20px;display:grid;gap:6px;color:var(--ink2)}
.prose{margin-top:12px}
.prose h2{margin:40px 0 10px;scroll-margin-top:72px}.prose h3{margin:26px 0 6px}
.prose p{margin:12px 0;color:var(--ink2)}.prose strong{color:var(--ink)}
.prose ul,.prose ol{padding-left:22px;color:var(--ink2);margin:12px 0;display:grid;gap:6px}
.prose blockquote{margin:16px 0;padding:12px 16px;border-radius:12px;background:var(--fill);color:var(--ink2)}.prose blockquote p{margin:0}
.prose pre{background:var(--fill);border-radius:12px;padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.5}
.prose code{font-family:var(--mono);font-size:.9em}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:16px 0;display:block;overflow-x:auto}
.prose th{text-align:left;font-size:13px;font-weight:600;color:var(--sub);padding:9px 10px;border-bottom:.5px solid var(--line)}
.prose td{padding:10px;border-bottom:.5px solid var(--line2);vertical-align:top}
a.stat{font-weight:650;font-variant-numeric:tabular-nums;border-bottom:1px dotted var(--accent)}a.stat:hover{text-decoration:none}
.faq{margin-top:48px}.faq .qa{padding:16px 0;border-bottom:.5px solid var(--line2)}.faq .qa:last-child{border:0}.faq h3{font-size:17px}.faq p{margin-top:6px;color:var(--ink2)}
.sources{margin-top:40px}.sources ol{margin-top:10px;padding-left:22px;color:var(--ink2);font-size:15px;display:grid;gap:6px}.sources a{word-break:break-word}
.cite{margin-top:32px;font-size:14px;color:var(--ink2);background:var(--fill);border-radius:12px;padding:14px 16px}.cite p{margin-top:4px;word-break:break-word}
.log{margin-top:14px;font-size:14px;color:var(--sub)}.log summary{cursor:pointer;min-height:32px;display:flex;align-items:center}.log ul{padding-left:20px;margin-top:6px}
.member{margin-top:40px;border-radius:18px;padding:22px;background:linear-gradient(180deg,#fff,#f5f9ff);box-shadow:inset 0 0 0 1px rgba(0,113,227,.18)}.member h3{margin-top:6px}.member p{margin:6px 0 16px}
.related{margin-top:48px}.related .cards{margin-top:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.disc{margin-top:28px;font-size:13px;color:var(--ter)}
.rail{position:sticky;top:84px;align-self:start;font-size:14px;max-height:calc(100vh - 110px);overflow:auto}
.rail b{font-size:12.5px;color:var(--sub);font-weight:600}.rail ol{list-style:none;margin-top:8px;display:grid;gap:2px}
.rail a{display:block;padding:5px 0 5px 12px;color:var(--ink2);border-left:2px solid var(--line2);line-height:1.35}.rail a:hover{color:var(--ink);text-decoration:none;border-color:var(--ter)}
/* data */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}
.tile{background:var(--card);border-radius:16px;padding:16px;box-shadow:inset 0 0 0 .5px var(--line)}.tile span{display:block;font-size:13px;color:var(--sub);line-height:1.35}.tile b{display:block;font-size:26px;letter-spacing:-.03em;margin-top:6px;font-variant-numeric:tabular-nums}
.chart{margin-top:28px;background:var(--card);border-radius:16px;padding:16px 18px;box-shadow:inset 0 0 0 .5px var(--line)}.chart figcaption{font-weight:600;font-size:15px}.chart svg{width:100%;height:auto;margin-top:10px;display:block}
.chart .ax{font-size:11px;fill:var(--ter)}.chart .val{font-size:11px;fill:var(--ink2)}
.scroll{overflow-x:auto;margin-top:14px;background:var(--card);border-radius:16px;box-shadow:inset 0 0 0 .5px var(--line);padding:6px 12px}
.tbl{width:100%;border-collapse:collapse;font-size:15px}.tbl th{text-align:left;font-size:12.5px;font-weight:600;color:var(--sub);padding:10px 8px;border-bottom:.5px solid var(--line)}
.tbl td{padding:10px 8px;border-bottom:.5px solid var(--line2)}.tbl tr:last-child td{border:0}.r{text-align:right}.num{font-variant-numeric:tabular-nums}
ul.plain{padding-left:20px;display:grid;gap:6px;color:var(--ink2);margin-top:10px}
footer{border-top:.5px solid var(--line);padding:32px 0 48px;font-size:13px;color:var(--sub)}footer .row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:12px}footer a{color:var(--ink2)}
@media(max-width:1020px){.art-grid{grid-template-columns:minmax(0,720px)}.rail{display:none}}
@media(max-width:760px){body{font-size:16px}.nav-l{display:none}.cards,.related .cards{grid-template-columns:1fr}.tiles{grid-template-columns:1fr 1fr}main{padding:30px 0 60px}.sec{margin-top:42px}.list li{flex-direction:column;gap:4px}
.nav-r a.lnk{display:none}.answer p{font-size:17px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}