:root{--ink:#102a43;--muted:#526575;--link:#075c73;--paper:#fff;--wash:#f3f6f7;--line:#d8e0e3;--measure:760px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;line-height:1.7;font-size:18px}a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid #102a43;outline-offset:4px}.shell{max-width:1180px;margin:0 auto;padding:0 32px}.skip-link{position:absolute;top:-100px;left:16px;background:white;padding:12px;z-index:10}.skip-link:focus{top:8px}.site-header{border-bottom:1px solid var(--line)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{font-size:22px;font-weight:750;letter-spacing:-.6px;color:var(--ink);text-decoration:none}.header-inner nav,.footer-inner nav{display:flex;gap:26px;flex-wrap:wrap}.header-inner nav a{font-size:15px;text-decoration:none;font-weight:650}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;font-size:13px;color:var(--muted);padding:28px 0}.breadcrumbs a{text-decoration:none}.article-header{max-width:940px;padding:22px 0 45px}h1,h2,h3{line-height:1.2;letter-spacing:-.025em;text-wrap:balance}h1{font-size:clamp(36px,4.5vw,58px);margin:12px 0 24px;font-weight:750;max-width:960px}h2{font-size:30px;margin:0 0 22px}h3{font-size:22px;margin:26px 0 12px}.eyebrow{font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.12em;line-height:1.5;margin:0 0 14px;color:var(--link)}.dek{font-size:22px;line-height:1.5;max-width:850px;color:var(--muted);margin:0 0 22px}.metadata{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.article-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;align-items:start;padding-bottom:80px}.toc{position:sticky;top:24px;border-top:2px solid var(--ink);padding-top:20px}.toc ol{list-style:none;padding:0;margin:0}.toc li{line-height:1.5;margin:0 0 13px;font-size:13px}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--link);text-decoration:underline}.article-body{min-width:0;max-width:var(--measure)}.article-body p{margin:0 0 22px}.article-body li{margin-bottom:10px}.article-body section{padding-top:42px;margin-top:14px;border-top:1px solid var(--line)}.short-answer{background:var(--wash);padding:28px 32px;margin-bottom:30px}.short-answer p:last-child{margin:0;font-size:21px;line-height:1.55;font-weight:550}.article-body strong{font-weight:700}.section-content{overflow-x:auto}.article-body table{border-collapse:collapse;width:100%;min-width:500px;font-size:15px;line-height:1.6;margin:26px 0}.article-body caption{text-align:left;font-weight:650;padding-bottom:12px}.article-body th{background:var(--ink);color:white;text-align:left;font-weight:650;padding:14px}.article-body td{vertical-align:top;border-bottom:1px solid var(--line);padding:14px}.article-body tbody tr:nth-child(even){background:#f6f8f9}.article-body code{font-size:.88em;background:var(--wash);padding:2px 4px;overflow-wrap:anywhere}.article-body pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--wash);padding:22px}.article-body blockquote{margin:24px 0;padding:24px;background:var(--wash)}figure{margin:24px 0}.workflow-image{display:block;width:100%;height:auto}figcaption{font-size:14px;color:var(--muted);line-height:1.6;margin-top:14px}.diagram-transcript{font-size:15px;padding:12px 0}.diagram-transcript summary{cursor:pointer;font-weight:650}.diagram-transcript ol{margin-bottom:0}.article-body .worksheet{background:var(--wash);border-top:0;padding:30px 32px;margin-top:42px}.worksheet h2{font-size:27px}.button{display:inline-flex;align-items:center;gap:18px;background:var(--ink);color:white;text-decoration:none;font-size:16px;font-weight:650;padding:14px 20px}.button:hover{background:#224963}.file-type{font-size:11px;letter-spacing:.08em}.faq{padding:6px 0 12px;border-bottom:1px solid var(--line)}.faq h3{font-size:21px;line-height:1.35;margin-top:22px}.sources{font-size:15px;padding-left:24px}.sources li{padding-bottom:10px}.sources p{color:var(--muted);font-size:14px;margin-top:6px}.site-footer{background:var(--wash);border-top:1px solid var(--line);padding:42px 0}.footer-inner{display:flex;justify-content:space-between;gap:40px}.footer-inner p{max-width:450px;font-size:13px;color:var(--muted);margin-bottom:0}.footer-inner nav{font-size:13px;align-content:flex-start}.hub{padding-top:0;padding-bottom:80px}.hub h1{max-width:850px}.hub-intro{max-width:720px;font-size:21px;color:var(--muted);margin-bottom:46px}.guide-list article{padding:32px 0;border-top:1px solid var(--line)}.guide-list h2{font-size:29px;margin-bottom:14px}.guide-list p{margin:0 0 18px}.guide-list .eyebrow{margin-bottom:12px}.text-link{font-size:15px;font-weight:650}
.guide-list{max-width:none}
.guide-preview{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start;text-decoration:none}
.guide-preview-copy{min-width:0}
.guide-preview-copy>p:not(.eyebrow){color:var(--muted)}
.guide-preview:hover h2,.guide-preview:focus-visible h2,.related-guide-preview:hover span,.related-guide-preview:focus-visible span{text-decoration:underline}
.guide-preview-image{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:contain;background:#edf4f8;border:0;border-radius:0;box-shadow:none}
.related ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px;list-style:none;padding:0;margin:0}
.related li{margin:0;min-width:0}
.related-guide-preview{display:block;text-decoration:none;font-weight:650;line-height:1.45}
.related-guide-preview span{display:block;margin-top:14px}
@media(max-width:960px){.article-grid{grid-template-columns:190px minmax(0,1fr);gap:32px}.shell{padding:0 24px}.article-header{padding-bottom:30px}}
@media(max-width:720px){body{font-size:17px}.shell{padding:0 20px}.header-inner{min-height:76px;gap:16px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.brand{font-size:20px}.header-inner nav{gap:18px}.header-inner nav a{font-size:13px}.breadcrumbs{font-size:12px;padding:22px 0}.article-header{padding-top:8px}h1{font-size:36px}h2{font-size:27px}.dek{font-size:20px}.article-grid{display:block}.toc{position:static;padding:20px 0;margin-bottom:28px}.toc ol{columns:2;column-gap:22px}.toc li{break-inside:avoid}.short-answer{padding:24px}.short-answer p:last-child{font-size:19px}.article-body section{padding-top:30px}.article-body .worksheet{padding:25px}.footer-inner{flex-direction:column;gap:28px}.metadata{line-height:1.5}.hub h1{font-size:36px}.guide-list h2{font-size:26px}}
@media(max-width:600px){.guide-preview{grid-template-columns:minmax(0,1fr);gap:22px}.related ul{grid-template-columns:minmax(0,1fr)}}
@media(max-width:400px){.toc ol{columns:1}.button{font-size:14px;gap:12px;padding:13px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.site-footer,.toc,.skip-link,.related{display:none}.shell{max-width:none;padding:0}.article-grid{display:block}.article-body{max-width:none}.article-header{padding:0}body{font-size:11pt;color:#000}.article-body section{break-inside:avoid-page}.button{background:none;color:#000;padding:0}.article-body a{color:#000}.article-body table{min-width:0;font-size:9pt}}