@font-face{font-family:ThmanyahSans;src:url(sans.woff2) format('woff2');font-weight:400;font-display:swap}@font-face{font-family:ThmanyahSans;src:url(medium.woff2) format('woff2');font-weight:500;font-display:swap}@font-face{font-family:ThmanyahSans;src:url(bold.woff2) format('woff2');font-weight:600 900;font-display:swap}@font-face{font-family:ThmanyahDisplay;src:url(display.woff2) format('woff2');font-weight:400;font-display:swap}
:root{--paper:#f5f4ef;--ink:#20221f;--muted:#5e625e;--accent:#253fc4;--accent-dark:#1d319a;--line:#d4d6cf;--wash:#e9ebf7;--white:#fffefa;--rail:210px;--font-sans:ThmanyahSans,sans-serif;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:0}body{margin:0;color:var(--ink);background:var(--paper);font:400 16px/1.9 ThmanyahSans,sans-serif;overflow-wrap:break-word}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a,button{touch-action:manipulation}button{cursor:pointer}button,a,summary{transition:color .18s,background .18s,transform .18s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}bdi,code,.num{font-family:ThmanyahSans,sans-serif;font-variant-numeric:tabular-nums}bdi{unicode-bidi:isolate}p{margin-block:0 1.1em}strong{font-weight:600}::selection{background:#ccd4ff;color:#142365}[hidden]{display:none!important}.skip{position:fixed;top:-100px;right:24px;padding:12px 20px;background:var(--ink);color:white;z-index:30}.skip:focus{top:12px}.site-header{height:88px;padding:0 4.5%;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--paper);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;line-height:1.35}.brand img{border-radius:6px}.brand>span{font-size:25px;font-weight:600}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:4px}.header-label{font-size:11px;letter-spacing:.13em;color:var(--muted);direction:ltr}.header-actions{display:flex;align-items:center;gap:24px;font-size:13px}.header-actions a,.header-actions button{min-height:44px;display:flex;align-items:center}.header-actions button{border:1px solid var(--ink);padding:7px 15px;background:transparent;gap:18px}.header-actions button:hover{background:var(--ink);color:var(--paper)}#article-navigation{position:absolute;top:76px;left:4.5%;width:min(380px,90vw);background:var(--white);border:1px solid var(--line);padding:16px 24px;box-shadow:0 16px 30px #20221f18}#article-navigation a{display:block;min-height:48px;padding:8px;border-bottom:1px solid var(--line)}#article-navigation a:last-child{border:0}#article-navigation a:hover{color:var(--accent);background:var(--wash)}.hero{max-width:1600px;margin:auto;padding:20px 4.5% 0}.edition{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.hero-grid{display:grid;grid-template-columns:1.14fr 1fr;gap:8%;padding:64px 0 58px;align-items:center}.eyebrow{color:var(--accent);font-size:12px;font-weight:600;margin-bottom:22px}.hero h1{font-size:clamp(46px,5.7vw,84px);line-height:1.4;font-weight:500;letter-spacing:-.045em;margin:18px 0 25px}.hero h1 em{font-style:normal;font-family:ThmanyahDisplay,serif;font-weight:400;color:var(--accent);letter-spacing:0}.hero-lede{font-size:clamp(17px,1.35vw,21px);line-height:1.9;max-width:34em}.hero-note{font-size:14px;color:var(--muted);line-height:2;max-width:35em;margin-top:18px}.primary-link{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--accent);color:white;font-size:14px;min-height:52px;padding:11px 24px;margin-top:20px}.primary-link:hover{background:var(--accent-dark);transform:translateY(-2px)}.primary-link>span{font-size:24px}.model-poster{background:var(--accent);color:var(--paper);padding:24px 32px 20px;transform:rotate(-2deg);border-radius:2px;box-shadow:12px 12px 0 #dce0f2;min-width:0}.poster-top,.poster-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px}.poster-top{direction:ltr;letter-spacing:.16em;padding-bottom:16px;border-bottom:1px solid #aab6f3}.poster-name{padding:14px 0 17px;border-bottom:1px solid #aab6f3;display:flex;align-items:baseline;gap:12px;justify-content:space-between;flex-wrap:wrap}.poster-name>bdi{font-size:clamp(42px,5.4vw,82px);line-height:1.2;font-weight:500;letter-spacing:-.075em;order:2}.poster-name>span{font-size:11px;max-width:105px;line-height:1.7}.poster-name:nth-child(3){color:#e2e6ff}.poster-bottom{padding-top:18px}.poster-bottom a{border-bottom:1px solid currentColor;padding:7px 0}.poster-bottom a:focus-visible{outline-color:white}.release-strip{display:grid;grid-template-columns:repeat(3,1fr) .8fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:22px 0;gap:20px;align-items:center}.release-strip p{margin:0;border-left:1px solid var(--line);padding-inline-start:24px}.release-strip p:first-child{padding-inline-start:0}.release-strip strong{display:block;font-size:23px;line-height:1.5;direction:inherit;text-align:right}.release-strip span{font-size:11px;color:var(--muted)}.release-strip>a{font-size:13px;display:flex;justify-content:space-between;align-items:center;padding-inline:20px}.release-strip>a>span{font-size:25px;color:var(--accent)}.reading-layout{max-width:1450px;padding:90px 4.5% 0;margin:auto;display:grid;grid-template-columns:var(--rail) minmax(0,1fr);gap:7%}.chapter-rail{position:sticky;top:130px;align-self:start;font-size:12px}.chapter-rail .eyebrow{display:block;color:var(--muted);font-size:11px}.chapter-rail nav{border-right:1px solid var(--line)}.chapter-rail nav a{display:block;padding:9px 18px;border-right:2px solid transparent;margin-right:-1px;min-height:44px;color:var(--muted)}.chapter-rail nav a[aria-current="location"]{color:var(--accent);border-color:var(--accent);font-weight:600}.chapter-rail nav a:hover{color:var(--accent);background:var(--wash)}.chapter-rail>p{color:var(--muted);font-size:11px;line-height:2;margin:30px 18px 10px}.chapter-rail>a{display:block;color:var(--accent);font-size:11px;margin:10px 18px;min-height:44px}.chapters{min-width:0}.chapter{padding-bottom:80px;margin-bottom:76px;border-bottom:1px solid var(--ink);scroll-margin-top:112px}.chapter-heading{margin-bottom:35px;max-width:680px}.chapter-heading h2{font-size:clamp(32px,3.5vw,49px);line-height:1.45;font-weight:500;letter-spacing:-.025em;margin-bottom:20px}.chapter-heading>p:last-child{color:var(--muted);font-size:16px;max-width:40em;margin:0}.chapter>.anchor{padding:32px 0 15px}.anchor{scroll-margin-top:104px;min-width:0}.sec-title{font-size:25px;line-height:1.65;font-weight:600;margin-bottom:20px}.sec-title .ar{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:7px}.sec-lede{font-size:17px;line-height:2}.anchor p{max-width:75ch}.anchor h3{font-size:18px;margin:22px 0 10px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:30px}.small{font-size:12px!important;line-height:1.9!important;color:var(--muted);margin-top:22px!important}a[href^="#source-"]{color:var(--accent);display:inline-block;min-width:28px;padding:4px 2px;text-decoration:underline;text-underline-offset:4px}.model-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--accent);margin:35px 0 0}.model-tabs button{background:none;border:0;border-bottom:3px solid transparent;text-align:right;padding:14px 18px;color:var(--muted);min-height:92px}.model-tabs button:hover{background:var(--wash);color:var(--accent)}.model-tabs button[aria-selected="true"]{background:var(--accent);color:white;border-bottom-color:var(--accent)}.model-tabs bdi{font-size:28px;line-height:1.3;display:block;font-weight:500}.model-tabs span{display:block;font-size:11px;margin-top:9px}.model-panel{padding:26px 28px 12px;background:var(--white);border:1px solid var(--line);border-top:0;margin-bottom:24px}.model-facts{padding-bottom:24px;margin-bottom:22px;border-bottom:1px solid var(--line)}.model-facts>span{color:var(--accent);font-size:13px}.model-facts>p{display:flex;align-items:baseline;gap:10px;font-size:13px;flex-wrap:wrap;margin:10px 0}.model-facts strong{font-size:35px;font-weight:500;direction:ltr}.model-facts i{color:var(--line);margin-inline:12px;font-style:normal}.model-facts small{color:var(--muted);font-size:11px}.model-panel .sec-title{font-size:23px}.model-panel p{font-size:15px}.model-panel .grid-2{gap:24px}.deep-dive{border-top:1px solid var(--line);scroll-margin-top:104px}.deep-dive:last-child{border-bottom:1px solid var(--line)}.deep-dive summary{position:relative;list-style:none;cursor:pointer;padding:24px 0 24px 44px;font-size:17px;line-height:1.8;font-weight:500}.deep-dive summary::-webkit-details-marker{display:none}.deep-dive summary .ar{display:block;font-size:12px;color:var(--muted);font-weight:400}.expand{position:absolute;left:8px;top:27px;color:var(--accent);font-size:24px;font-weight:400;line-height:1}.deep-dive[open]>.summary{color:var(--accent)}.deep-dive[open]>summary>.expand{transform:rotate(45deg)}.deep-dive summary:hover{color:var(--accent)}.detail-body{padding:0 0 24px}.detail-body p{font-size:15px;max-width:75ch}.detail-body h3{font-size:18px;margin-bottom:14px}.detail-body .sec-lede{font-size:16px}.table-scroll{overflow:auto;max-width:100%;margin:25px 0;overscroll-behavior-inline:contain;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}table{border-collapse:collapse;width:100%;font-size:13px;min-width:560px;text-align:right;line-height:1.8}th{font-weight:600;background:#e9eae3;padding:15px 16px;white-space:normal}td{padding:15px 16px;border-top:1px solid var(--line);vertical-align:top}tbody tr:hover{background:var(--wash)}table bdi,table .num{white-space:nowrap}tbody tr:nth-child(even){background:#eeeee8}.callout{padding:22px 25px;background:#e9ebe4;border-right:3px solid #838b79;margin:24px 0}.callout-accent{background:var(--wash);border-color:var(--accent)}.callout .label{font-size:12px;font-weight:600;color:var(--accent);margin-bottom:10px}.callout p:last-child{margin-bottom:0}.workflow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:30px 0 38px;background:var(--wash);padding:26px}.workflow>div{border-left:1px solid #c0c8e6;padding:0 20px}.workflow>div:first-child{padding-right:0}.workflow>div:last-child{border:0;padding-left:0}.workflow span{display:block;font-size:26px;color:var(--accent);margin-bottom:10px}.workflow p{font-size:12px;line-height:1.9;margin:0}.calculator{border:1px solid var(--line);background:var(--white);padding:30px;margin:30px 0}.calc-intro{max-width:580px}.calc-intro .eyebrow{margin-bottom:10px}.calc-intro h3{font-size:28px;font-weight:500;margin-bottom:15px}.calc-intro>p:last-child{font-size:13px;color:var(--muted)}.calc-controls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px;margin:25px 0}.calc-controls label{font-size:11px;color:var(--muted)}.calc-controls input,.calc-controls select{display:block;width:100%;margin-top:8px;border:1px solid #b7bab1;background:var(--paper);min-height:48px;padding:8px 10px;border-radius:0;color:var(--ink);font-size:15px}.calc-controls input{direction:ltr}.calc-results{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:20px;gap:16px}.calc-results p{margin:0;line-height:1.4}.calc-results span{font-size:14px;display:block;margin-bottom:12px;color:var(--muted)}.calc-results output{font-size:clamp(24px,3vw,40px);direction:ltr;display:block;font-weight:500;color:var(--accent);font-variant-numeric:tabular-nums}#calc-error{background:#fff0eb;color:#902b18;padding:12px;font-size:13px}.product-title{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ink);padding-top:22px;gap:15px;margin:35px 0 10px}.product-title bdi{font-size:clamp(24px,3vw,42px);font-weight:500;letter-spacing:-.04em;color:var(--accent)}.product-title>span{font-size:12px;color:var(--muted)}#ecosystem>.anchor{padding-top:15px}.source-section{font-size:13px}.sources-title{font-size:29px;line-height:1.5;margin-bottom:25px}.sources-title .ar{display:block;font-size:13px;color:var(--muted);margin-top:12px}.source-section li{margin:0;padding:15px 10px;border-top:1px solid var(--line);scroll-margin-top:112px}.source-section ol{padding-right:24px}.source-section a[target]{color:var(--accent);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.site-footer{max-width:1450px;margin:auto;padding:20px 4.5% 45px;display:grid;grid-template-columns:1.5fr 1fr auto auto;gap:30px;align-items:center;font-size:12px}.site-footer strong{font-family:ThmanyahDisplay,serif;font-size:40px;font-weight:400}.site-footer p{color:var(--muted);margin:0}.site-footer a{min-height:44px;display:flex;align-items:center;color:var(--accent)}.reading-progress{position:fixed;bottom:0;right:0;height:3px;background:var(--accent);width:100%;transform:scaleX(0);transform-origin:right;z-index:25;pointer-events:none}pre{max-width:100%;overflow:auto;direction:ltr;text-align:left;background:var(--ink);color:var(--paper);padding:20px;font-size:13px}code{overflow-wrap:anywhere;font-size:.9em}:target{scroll-margin-top:112px}
@media(min-width:1600px){.hero-grid{gap:10%}.model-poster{max-width:560px;width:100%}}
@media(max-width:1100px){:root{--rail:150px}.reading-layout{gap:5%}.hero-grid{gap:6%}.model-poster{padding:20px}.hero h1{font-size:60px}.header-label{display:none}.chapter-heading h2{font-size:38px}.grid-2{gap:20px}.site-footer{grid-template-columns:1fr 1fr}.hero-grid{padding:45px 0}.wide-only{display:none}}
@media(max-width:800px){.site-header{height:76px;padding-inline:5%;gap:10px}.header-actions{gap:14px}.header-actions button{padding:6px 12px;font-size:12px}.brand small{font-size:9px}.brand>span{font-size:23px}.header-actions .home{font-size:12px}.hero{padding:18px 5% 0}.hero-grid{grid-template-columns:1fr;gap:42px;padding:38px 0 38px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(45px,8.5vw,64px);margin-block:12px 20px;line-height:1.4}.hero-lede{font-size:18px}.hero-note{font-size:14px}.model-poster{transform:none;box-shadow:7px 7px 0 #dce0f2;padding:20px 24px}.poster-name>bdi{font-size:clamp(48px,9vw,72px)}.poster-name>span{max-width:160px;font-size:12px}.poster-name{padding-block:12px}.release-strip{grid-template-columns:1fr 1fr;gap:20px;padding:22px 0}.release-strip p{padding:0 12px}.release-strip p:first-child{padding-right:12px}.release-strip p:nth-child(2){border:0}.release-strip strong{font-size:23px}.release-strip>a{padding:0 12px}.reading-layout{display:block;padding:55px 5% 0}.chapter-rail{display:none}.chapter{margin-bottom:48px;padding-bottom:48px}.chapter-heading h2{font-size:36px;line-height:1.4}.chapter-heading .eyebrow{margin-bottom:14px}.chapter-heading>p:last-child{font-size:15px}.model-panel{padding:22px 20px 10px}.model-panel .grid-2{grid-template-columns:1fr;gap:0}.model-tabs button{padding:12px}.model-tabs bdi{font-size:27px}.model-tabs span{font-size:10px}.sec-title{font-size:23px}.sec-lede{font-size:16px}.calculator{padding:22px}.calc-controls{grid-template-columns:1fr 1fr}.calc-controls label:last-child{grid-column:1/-1}.calc-results output{font-size:29px}.site-footer{padding:0 5% 35px;gap:20px;font-size:11px}.workflow{padding:22px 18px}.workflow>div{padding-inline:14px}.workflow span{font-size:23px}.workflow p{font-size:11px}.product-title{margin-top:28px}.product-title bdi{font-size:29px}.product-title>span{font-size:10px}.source-section ol{padding-right:20px}}
@media(max-width:400px){.site-header{padding-inline:4%}.brand img{width:32px;height:32px}.brand{gap:7px}.brand small{display:none}.header-actions{gap:12px}.header-actions button{gap:12px;padding-inline:10px}.hero,.reading-layout{padding-inline:5%}.hero h1{font-size:43px}.hero-lede{font-size:16px}.edition{font-size:10px}.hero-grid{padding-top:30px}.primary-link{font-size:12px;padding-inline:16px}.hero-note{font-size:13px}.model-tabs span{font-size:9px}.model-tabs button{padding:10px 8px}.model-panel{padding:20px 15px}.model-panel .sec-title{font-size:21px}.chapter-heading h2{font-size:32px}.calculator{padding:18px}.calc-results{gap:8px}.calc-results output{font-size:24px}.workflow{grid-template-columns:1fr;padding:10px 20px}.workflow>div,.workflow>div:first-child,.workflow>div:last-child{padding:13px 0;border-left:0;border-bottom:1px solid #c0c8e6}.workflow>div:last-child{border:0}.workflow span{font-size:22px;margin-bottom:3px}.workflow p{font-size:12px}.grid-2{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.chapter-rail,.model-tabs,.reading-progress,.calc-controls{display:none!important}.reading-layout{display:block;padding:0}.hero-grid{display:block}.model-poster{display:none}.hero{padding:0}.chapter{break-before:auto;margin:25px 0;padding:10px 0}.model-panel[hidden]{display:block!important}.deep-dive .detail-body{display:block!important}.table-scroll{overflow:visible}table{min-width:0;font-size:10px}.site-footer{display:block}body{font-size:11px}a{color:inherit}}
.brand img{background:var(--ink);padding:4px}.reference-list{list-style:none;padding:0!important;margin:24px 0}.reference-list li{display:grid;grid-template-columns:35px minmax(0,1fr) 32px;align-items:center;gap:14px;padding:20px 0}.reference-list li>span{font-size:12px;color:var(--muted)}.reference-list li>div>a{font-size:14px;line-height:1.8;display:block;min-height:44px}.reference-list small{display:block;direction:ltr;text-align:right;color:var(--muted);font-size:11px;margin-top:5px}.reference-list li>a{min-height:44px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--accent)}
.hero,#article{scroll-margin-top:112px}