@font-face{font-family:PortalSerif;src:url('../fonts/serif.woff') format('woff');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:PortalSans;src:url('../fonts/sans.woff') format('woff');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:PortalSans;src:url('../fonts/sans-bold.woff') format('woff');font-style:normal;font-weight:700;font-display:swap}
:root{--ink:#183f38;--text:#293e38;--muted:#5b6760;--paper:#faf8f1;--white:#fffef9;--line:#cbd1c5;--green:#e7eee7;--orange:#b5522e;--sand:#f1e5d4;--serif:PortalSerif,Georgia,serif;--sans:PortalSans,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.7}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%;height:auto}figure,p,h1,h2,h3{margin:0}p+p{margin-top:1em}h1,h2,h3{color:var(--ink);font-weight:400}h1,h2{font-family:var(--serif);line-height:1.19;letter-spacing:-.045em}h1{font-size:clamp(36px,4.5vw,60px)}h2{font-size:clamp(28px,3vw,42px)}h3{line-height:1.35;font-size:23px;font-family:var(--serif);letter-spacing:-.025em}em{font-style:normal;color:var(--orange)}button{border:0;background:none;color:inherit}a:hover{color:var(--orange)}:focus-visible{outline:3px solid #b5522e;outline-offset:4px}[hidden]{display:none!important}.container{width:min(1220px,calc(100% - 80px));margin-inline:auto}.section{padding-block:78px}.section.compact{padding-top:28px}.lead{font-size:17px;line-height:1.8;max-width:590px;color:var(--muted);margin-top:24px}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:.12em;font-weight:700;line-height:1.7;color:var(--ink);margin-bottom:17px}.small{font-size:12px;color:var(--muted);line-height:1.7}.dot{display:inline-block;width:7px;height:7px;background:var(--orange);border-radius:50%;margin-right:7px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.js-only{display:none}html.js .js-only{display:flex}.skip{position:absolute;left:16px;top:-100px;z-index:100;padding:12px;background:var(--ink);color:white}.skip:focus{top:12px}.topbar{border-bottom:1px solid var(--line);font-size:10px;letter-spacing:.05em;line-height:1.5}.topbar .container{display:flex;align-items:center;justify-content:space-between;padding-block:10px;gap:15px}.topbar a{text-decoration:none}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:91px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--serif);font-size:17px;line-height:1.35;letter-spacing:-.025em;flex-shrink:0}.brand:hover{color:var(--ink)}.brand-symbol{width:43px;height:47px;background:var(--ink);color:var(--white);display:grid;place-items:center;font-size:34px;line-height:1;border-radius:3px}.brand small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.03em;margin-top:4px;color:var(--muted)}.nav-inner nav{display:flex;align-items:center;gap:25px;flex-wrap:wrap;font-size:12px}.nav-inner nav a{text-decoration:none;position:relative;padding-block:13px;white-space:nowrap}.nav-inner nav a[aria-current]{color:var(--ink);font-weight:700}.nav-inner nav a[aria-current]:after{content:'';height:2px;position:absolute;left:0;right:0;bottom:6px;background:var(--orange)}.search-toggle{width:36px;height:40px;align-items:center;justify-content:center;flex-shrink:0}.search-toggle svg{width:21px;height:21px;fill:none;stroke:var(--ink);stroke-width:1.7}.menu-button{display:none!important}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:55px;align-items:center;padding-top:42px;padding-bottom:48px}.hero h1{font-size:clamp(40px,5.1vw,70px);line-height:1.05;letter-spacing:-.055em}.hero .lead{font-size:15px;max-width:480px;margin-top:21px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:29px}.button{display:inline-flex;align-items:center;justify-content:center;gap:21px;min-height:49px;padding:12px 22px;background:var(--ink);color:var(--white);text-decoration:none;font-size:12px;font-weight:700;border:1px solid var(--ink);line-height:1.5;border-radius:3px;text-align:center}.button:hover{color:var(--white);background:#245b50;border-color:#245b50}.button-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}.button-light:hover{background:#e7eee7;color:var(--ink)}.button-outline{background:transparent;color:var(--ink)}.button-outline:hover{background:var(--green);color:var(--ink);border-color:var(--ink)}.text-link{text-decoration:none;font-size:12px;font-weight:700;display:inline-flex;gap:20px;align-items:center;line-height:1.6}.hero-art{align-self:center;min-width:0}.illustration{overflow:hidden;border-radius:2px}.illustration img{width:100%;object-fit:contain}.hero-caption{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);padding-top:16px;margin-top:15px;font-size:10px}.hero-caption p{font-family:var(--serif);font-size:17px;color:var(--ink)}.hero-caption 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.eyebrow{margin-bottom:12px}.topic-list{border-top:1px solid var(--line)}.topic-row{display:grid;grid-template-columns:62px 1fr auto;gap:26px;align-items:center;padding:28px 8px;border-bottom:1px solid var(--line)}.topic-number{font-size:13px;color:var(--orange);align-self:start;padding-top:6px}.topic-row .eyebrow{font-size:9px;margin-bottom:5px;color:var(--muted)}.topic-row h2,.topic-row h3{font-family:var(--serif);font-size:29px;line-height:1.3;letter-spacing:-.035em}.topic-row h2 a,.topic-row h3 a{text-decoration:none}.topic-row p:not(.eyebrow){font-size:13px;color:var(--muted);margin-top:7px}.row-link{font-size:11px;font-weight:700;text-decoration:none;white-space:nowrap}.row-link span{margin-left:26px;font-size:20px}.model-band{background:var(--ink);color:var(--white);padding-block:68px;overflow:hidden}.model-band-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center}.model-band .eyebrow{color:#d9bf94}.model-band 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p{font-size:12px;line-height:1.85;margin-top:10px}.table-wrap{overflow:auto;border:1px solid var(--line);margin:23px 0;max-width:100%}table{border-collapse:collapse;width:100%;min-width:450px;font-size:11px}th,td{text-align:left;padding:17px 18px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.85}th{font-weight:700;background:var(--green);color:var(--ink)}td:first-child{font-weight:700;color:var(--ink);width:26%}tr:last-child td{border-bottom:0}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:700;font-size:12px;line-height:1.8;padding:18px 28px 18px 0;position:relative}details>div{padding-bottom:23px}details>div p{font-size:13px}summary::marker{color:var(--orange)}.sources{padding-top:25px;border-top:1px solid var(--line)}.source-links{list-style:none;padding:0!important;margin:20px 0!important}.source-links li{font-size:11px!important;padding:10px 0!important;border-bottom:1px solid 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p{font-size:12px;color:var(--muted);max-width:670px}.filter-chips{gap:10px;flex-wrap:wrap;margin-bottom:24px}.filter-chips button{border:1px solid var(--line);border-radius:3px;font-size:10px;padding:8px 14px}.filter-chips button[aria-pressed=true]{background:var(--ink);color:var(--white);border-color:var(--ink)}.model-row{display:grid;grid-template-columns:100px 1fr 110px;gap:28px;padding:31px 0;border-bottom:1px solid var(--line);scroll-margin-top:24px;min-width:0}.model-marker span{display:block;color:var(--orange);font-size:25px;font-family:var(--serif)}.model-marker small{font-size:9px;color:var(--muted)}.model-copy h2{font-size:27px;margin-bottom:10px}.model-copy>p{font-size:12px;color:var(--muted)}.model-copy details{border:none;margin-top:10px}.model-copy summary{font-size:10px;padding:6px 0}.model-copy details p{font-size:11px;margin-top:9px}.model-copy details a{font-size:10px}.downloads{display:flex;flex-direction:column;gap:8px}.downloads 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form>.button{margin-top:23px}#letter-output{margin-top:30px}#letter-text{width:100%;background:var(--white);font-size:12px;min-height:330px}.output-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:15px}.editorial-note{max-width:680px;margin-bottom:55px}.editorial-note p:not(.eyebrow){font-size:14px;color:var(--muted);margin-top:24px}.editorial-note .text-link{margin-top:27px}.glossary-item{display:grid;grid-template-columns:310px 1fr;gap:55px;border-bottom:1px solid var(--line);padding:27px 0;scroll-margin-top:30px}.glossary-item h2{font-size:25px;line-height:1.35}.glossary-item p{font-size:13px}.glossary-item .text-link{font-size:10px;margin-top:12px}.narrow-content{max-width:780px;padding-top:20px;padding-bottom:64px}.narrow-content section{padding-block:28px}.narrow-content h2{font-size:31px;margin-bottom:23px}.narrow-content p{font-size:14px;line-height:1.95}.narrow-content .source-links{margin-bottom:0!important}dialog{width:min(650px,calc(100% - 30px));max-height:80vh;overflow:auto;border:1px solid #aebdaf;border-radius:4px;padding:30px;background:var(--paper);color:var(--text);box-shadow:0 25px 90px #0b2b2860}dialog::backdrop{background:#173f3890}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.dialog-head h2{font-size:32px}.dialog-head button{font-size:30px;width:36px;line-height:1.3}#site-search{width:100%;font-size:14px;padding:14px}#search-status{margin-top:14px}.search-result{display:block;border-bottom:1px solid var(--line);padding-block:17px;text-decoration:none}.search-result strong{display:block;color:var(--ink);font-size:13px}.search-result small{display:block;color:var(--orange);font-size:9px;margin-bottom:4px;text-transform:uppercase;letter-spacing:.06em}.search-result p{font-size:11px;color:var(--muted);line-height:1.75;margin-top:6px}
@media(min-width:1400px){.hero{padding-top:53px;padding-bottom:56px}.hero h1{font-size:74px}.hero-art{max-width:530px}.hero .lead{max-width:485px}}
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