a{color:var(--green);text-underline-offset:4px}
.skip-link{position:absolute;left:16px;top:-100px;background:var(--panel);padding:12px 20px;z-index:10}.skip-link:focus{top:12px}
.site-nav{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px}.site-nav a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.site-nav a[aria-current=page]{color:var(--accent)}
footer nav{display:flex;gap:10px 24px;flex-wrap:wrap}footer a{display:inline-block;padding-block:6px}
.home-learning{border-top:1px solid var(--line);padding-top:36px;margin:10px 0 36px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px}.section-heading h2{font-size:28px;margin:6px 0}.section-heading>a{flex-shrink:0}.home-learning>p{max-width:900px;margin-block:12px}
.eyebrow{font-size:14px!important;color:var(--accent)!important;letter-spacing:.04em;margin-bottom:10px!important}
.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:26px 0}.reading-card{display:flex;flex-direction:column;min-width:0;text-decoration:none;color:var(--text);border:1px solid var(--line);border-top:2px solid #638979;padding:26px;border-radius:10px;background:#132429}.reading-card:hover{border-color:var(--accent);background:#1a3034}.reading-card h3{font-size:21px;line-height:1.6;font-weight:500;margin:8px 0 12px;word-break:keep-all;overflow-wrap:anywhere}.reading-card p{font-size:16px;line-height:1.8;margin:0 0 24px}.read-label{color:var(--green);font-size:14px;margin-top:auto}.reading-links{display:flex;flex-wrap:wrap;gap:12px 28px;padding:8px 0}.reading-links a{padding-block:6px}
.learning-home{max-width:1240px;padding-top:50px}.learning-home>section{margin:48px 0}.learning-home>section>h2{font-size:25px}.learning-home>section>p{max-width:800px}
.article-layout{max-width:900px;padding-top:36px;padding-bottom:70px}.article-layout article{min-width:0}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:32px}.article-head{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:30px}.article-head h1{font-size:36px;font-weight:550;line-height:1.45;word-break:keep-all;overflow-wrap:anywhere;max-width:880px}.article-head .lead{font-size:19px;line-height:1.85;margin-top:18px;max-width:850px}.byline{font-size:14px;line-height:1.8;margin-top:20px}
.article-layout p,.article-layout li{font-size:17px;line-height:1.95;color:#bbcdcd;word-break:keep-all;overflow-wrap:anywhere}.article-layout p{margin:16px 0}.article-layout strong{color:var(--text);font-weight:600}.article-layout li{padding-left:5px;margin:10px 0}.article-layout ol,.article-layout ul{padding-left:25px}.article-layout section{margin-top:42px;scroll-margin-top:24px}.article-layout h2{font-size:25px;line-height:1.6;margin-bottom:16px}.toc{border-left:3px solid var(--accent);padding:10px 24px;background:#132429}.toc strong{font-size:16px}.toc li{font-size:16px;margin:4px 0}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
.table-scroll{max-width:100%;overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:8px}.table-scroll:focus-visible{outline:2px solid var(--accent)}table{width:100%;border-collapse:collapse;font-size:16px;text-align:left;line-height:1.7}th,td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#1d3337;font-weight:500;color:var(--text)}td{color:#bbcdcd}tr:last-child td{border-bottom:0}td:first-child{color:var(--text)}
figure{margin:24px 0}figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px}figcaption{font-size:14px;line-height:1.8;color:var(--muted);margin:12px 0}.action-link{display:inline-block;padding:12px 20px;border:1px solid var(--green);border-radius:8px;text-decoration:none;color:var(--green)}.action-link:hover{background:#24453f}.references{border-top:1px solid var(--line);padding-top:22px}.references p,.references li{font-size:15px}.related{margin-top:40px;border-top:1px solid var(--line);padding-top:24px}.related a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}.related h2{font-size:20px}
@media(max-width:1000px){.reading-grid{gap:14px}.reading-card{padding:20px}.site-nav{gap:8px 16px}.learning-home{padding-top:30px}}
@media(max-width:760px){header{flex-wrap:wrap}.site-nav{width:100%;border-top:1px solid var(--line);padding-top:8px}.reading-grid{grid-template-columns:1fr}.reading-card{padding:24px}.reading-card p{margin-bottom:16px}.section-heading{display:block}.section-heading>a{display:inline-block;margin-top:12px}.article-head h1{font-size:29px}.article-head .lead{font-size:18px}.article-layout h2{font-size:23px}.home-learning{padding-top:28px}.article-layout{padding-top:26px}.section-heading h2{font-size:25px}th,td{padding:10px 12px;min-width:90px}.article-layout section{margin-top:32px}}
@media(prefers-reduced-motion:no-preference){.reading-card{transition:background .15s,border-color .15s}}