@font-face{font-family:Montserrat;src:url('/knowledge/fonts/montserrat.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{color-scheme:dark;--bg:#111214;--surface:#1a1c1f;--line:#35383c;--text:#f2f3f3;--muted:#b5b9bd;--accent:#81d8d0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.8 'Montserrat',Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:hover{color:var(--accent)}.skip{position:absolute;top:-200px}.skip:focus{top:10px;z-index:10;background:#111;padding:10px}.wrap{max-width:1220px;margin:auto;padding:0 30px}.header{position:sticky;top:0;z-index:4;background:#111214ee;backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:86px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;letter-spacing:.08em;font-weight:600}.brand img{width:88px;height:42px;object-fit:contain}.navlinks{display:flex;gap:26px;align-items:center;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#082422!important;border:1px solid var(--accent);padding:13px 23px;border-radius:30px;font-weight:600;line-height:1.5;min-height:48px}.button.secondary{background:transparent;color:var(--text)!important;border-color:#656b70}.kicker{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:600}.hero{padding:86px 0 70px;position:relative;isolation:isolate}.hero h1{font-size:clamp(38px,6.8vw,82px);line-height:1.08;letter-spacing:-.04em;font-weight:400;max-width:1020px;margin:26px 0}.accent{color:var(--accent)}.lead{font-size:18px;color:var(--muted);max-width:760px;line-height:1.75}.actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0}.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:center}.hero-photo{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:150px 150px 24px 24px;filter:saturate(.55)}.caption{font-size:12px;color:#b5b9bd;margin:9px 0}.section{padding:64px 0;border-top:1px solid var(--line)}h2{font-size:clamp(26px,3.3vw,40px);line-height:1.25;letter-spacing:-.03em;font-weight:500;margin:12px 0 24px}h3{font-size:22px;line-height:1.4;font-weight:500;margin:14px 0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{display:block;background:var(--surface);padding:26px;border:1px solid var(--line);border-radius:22px;min-width:0;transition:border-color .2s,transform .2s}.card:hover{border-color:#75a8a5}.card p{color:var(--muted);margin-bottom:0}.card .meta{color:var(--accent);font-size:13px}.card.link{height:100%}.card.link h3{font-size:22px}.number{font:36px/1.3 Georgia,serif;color:var(--accent);margin-bottom:16px}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.chip{border:1px solid var(--line);border-radius:30px;background:transparent;color:var(--muted);padding:9px 16px;font-size:14px;min-height:42px}.chip[aria-pressed=true]{background:var(--accent);color:#0c2724}.search{width:100%;max-width:560px;padding:13px 17px;background:#191c20;border:1px solid #555c63;color:#fff;border-radius:14px;margin-bottom:20px}.hidden,[hidden]{display:none!important}.empty{padding:28px;color:var(--muted)}.article-header{padding:56px 0 38px;max-width:1020px}.article-header h1{font-size:clamp(34px,4.7vw,58px);font-weight:400;line-height:1.15;letter-spacing:-.035em;margin:24px 0}.breadcrumbs{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:9px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:70px;align-items:start}.prose{min-width:0;padding-bottom:64px}.prose section{margin:0 0 52px}.prose h2{font-size:30px;margin-top:0}.prose p{line-height:1.9;color:#d6dade}.prose li{margin-bottom:12px;color:#d6dade}.prose ul,.prose ol{padding-left:22px}.aside{position:sticky;top:120px;font-size:14px}.aside a{display:block;padding:8px 0;color:var(--muted)}.aside .card{margin-top:26px;font-size:14px}.aside h3{font-size:19px}.callout{padding:25px;border-left:3px solid var(--accent);background:#1c282a;border-radius:0 15px 15px 0}.callout p{margin:0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;margin:26px 0}table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--accent);font-weight:500;background:#1d2528}tr:last-child td{border-bottom:0}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:500;list-style:none;padding-right:24px;position:relative}summary:after{content:'+';position:absolute;right:2px;color:var(--accent)}details[open] summary:after{content:'−'}details p{color:var(--muted)}.tool-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start}.tool input,.tool textarea,.tool select{width:100%;padding:12px;border:1px solid #535a61;border-radius:11px;background:#111214;color:#fff;margin:5px 0 14px}.tool label{display:block;color:#d6dade;font-size:15px}.tool textarea{min-height:100px;resize:vertical}.tool .check{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.tool input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent);margin:5px 0;flex-shrink:0}.tool .check span{flex:1}.result{background:#1b292b;border:1px solid #426561;border-radius:22px;padding:28px;position:sticky;top:110px}.metric{font-size:42px;line-height:1.2;color:var(--accent);letter-spacing:-.03em;margin:16px 0}.muted{color:var(--muted)}.error{color:#ffc4bc}.result pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;font-size:15px}.cta-band{padding:42px;border:1px solid var(--line);background:linear-gradient(115deg,#243a3c,#1a1c1f);border-radius:26px;display:flex;align-items:center;justify-content:space-between;gap:35px}.cta-band p{color:#c0cacc;max-width:660px}.footer{padding:42px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:18px}.editorial-note{font-size:14px;color:var(--muted)}@media(max-width:1000px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr);gap:20px}.aside{position:static;order:-1}.aside .card{display:none}.aside nav{display:flex;flex-wrap:wrap;gap:0 18px}.aside a{font-size:13px}.hero-grid{gap:24px}.tool-layout{grid-template-columns:1fr}.result{position:static}}@media(max-width:650px){.wrap{padding:0 20px}.nav{min-height:76px;gap:10px}.navlinks{gap:10px;font-size:13px}.navlinks .library-link{display:none}.navlinks .button{font-size:13px;padding:10px 14px}.brand img{width:66px}.hero{padding:48px 0}.hero-grid{grid-template-columns:1fr}.hero-photo{aspect-ratio:16/9;border-radius:22px;max-height:260px}.hero h1{font-size:42px}.lead{font-size:16px}.grid,.grid.two{grid-template-columns:1fr}.section{padding:42px 0}.card{padding:22px}.article-header{padding:32px 0}.article-header h1{font-size:36px}.prose h2{font-size:26px}.cta-band{padding:26px;display:block}.metric{font-size:36px}.actions .button{width:100%}.tool input,.tool textarea,.tool select{font-size:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* The transparent portrait blends into the homepage without a photo frame. */
.hero-portrait{position:relative;isolation:isolate;align-self:center}
.hero-portrait:before{content:'';position:absolute;inset:18% 10% 0;background:radial-gradient(ellipse,#81d8d012,transparent 68%);filter:blur(28px);z-index:-1;pointer-events:none}
.hero-photo.hero-photo--cutout{display:block;width:100%;height:clamp(340px,39vw,460px);max-height:460px;aspect-ratio:auto;object-fit:contain;object-position:center bottom;border-radius:0;filter:drop-shadow(0 0 12px #81d8d01a);-webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 78%,transparent 100%);mask-image:linear-gradient(to bottom,#000 0%,#000 78%,transparent 100%)}
.hero-portrait .caption{text-align:center;color:#aab6b4;margin-top:0}
@media(max-width:650px){.hero-photo.hero-photo--cutout{height:240px;max-height:240px}.hero-portrait:before{inset:12% 15% 0}.hero-portrait .caption{font-size:11px}}