/* USWDS Companion learning surfaces — independent from ANCHOR main visual system */
:root{--learn-blue:#005ea8;--learn-dark:#1a4480;--learn-red:#b50909;--learn-ink:#1b1b1b;--learn-muted:#565c65;--learn-line:#a9aeb1;--learn-bg:#f4f7fb}
.system-primer{max-width:1200px;margin:24px auto 32px;padding:0 24px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:32px}.system-primer-copy{border-left:8px solid var(--learn-blue);padding:6px 0 6px 24px}.system-primer-copy h2{font-family:Source Sans Pro Web,system-ui,sans-serif;font-size:2.25rem;line-height:1.08;margin:.3rem 0 1rem}.system-primer-copy ol{padding-left:1.5rem}.system-primer-copy li{padding:.45rem 0}.system-primer-copy li strong{display:block}.system-primer-copy li span{color:var(--learn-muted);line-height:1.5}.system-primer-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.system-primer-actions button{background:var(--learn-blue);color:#fff;border:0;border-radius:.25rem;padding:.7rem 1rem;font-weight:700}.system-primer-visual{margin:0;border:1px solid var(--learn-line);background:#fff;padding:12px}.system-primer-visual img{display:block;width:100%;height:auto}.system-primer-visual figcaption{font-size:.9rem;color:var(--learn-muted);padding:10px 4px 2px}
.learn-tabs{max-width:1200px;margin-inline:auto;padding-inline:24px;display:flex;gap:4px;overflow:auto;border-bottom:1px solid var(--learn-line)}.learn-tabs button{flex:0 0 auto;border:0;border-bottom:4px solid transparent;background:transparent;padding:.8rem 1rem;font-weight:700;color:var(--learn-dark)}.learn-tabs button.active{border-bottom-color:var(--learn-blue);color:#111}.learning-start{max-width:1152px;margin:24px auto;padding:24px 28px;border-left:8px solid var(--learn-blue);background:#e7f2f8;display:flex;align-items:center;justify-content:space-between;gap:24px}.learning-start h2{font-size:2rem;line-height:1.12;margin:.25rem 0}.learning-start p{max-width:72ch}.learning-start button{background:var(--learn-blue);color:#fff;border:0;border-radius:.25rem;padding:.75rem 1rem;font-weight:700;white-space:nowrap}.visual-guide-shelf{max-width:1152px;margin:24px auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.visual-guide-shelf article{border:1px solid var(--learn-line);background:#fff}.visual-guide-shelf img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--learn-line)}.visual-guide-shelf article>div{padding:16px}.visual-guide-shelf strong{display:block;font-size:1.05rem;margin-bottom:5px}.visual-guide-shelf span{display:block;color:var(--learn-muted);line-height:1.45;margin-bottom:10px}.visual-guide-shelf button{border:0;background:transparent;color:var(--learn-blue);font-weight:700;padding:0;text-decoration:underline}
.reader-search{max-width:1152px;margin:24px auto}.reader-search input{min-height:44px}.reader-layout{max-width:1152px;margin-inline:auto;grid-template-columns:250px minmax(0,1fr);gap:32px}.reader-index{position:sticky;top:110px;align-self:start;max-height:calc(100vh - 135px);overflow:auto;border-right:1px solid var(--learn-line);padding-right:12px}.reader-index button{display:grid;grid-template-columns:28px 1fr;gap:7px;width:100%;border:0;border-left:4px solid transparent;background:transparent;padding:.7rem .65rem;text-align:left;color:#1a4480;line-height:1.25}.reader-index button:hover,.reader-index button:focus-visible{background:#e7f2f8;border-left-color:var(--learn-blue)}.reader-index button span{color:var(--learn-muted);font-size:.75rem}.learning-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.learning-card{border:1px solid var(--learn-line);background:#fff}.curriculum-card{padding:0!important;overflow:hidden}.learning-card-visual{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--learn-line)}.learning-card-content{padding:20px}.curriculum-card h2{font-size:1.5rem;line-height:1.18}.publication-meta{display:flex;flex-wrap:wrap;gap:6px 12px;color:var(--learn-muted);font-size:.82rem}.term-card{padding:20px}.term-card h2{font-size:1.5rem}.term-definition{font-size:1rem;line-height:1.5}.term-card .detailed{color:#3d4551;line-height:1.6}.term-knowledge{margin:18px 0;border-top:1px solid var(--learn-line)}.term-knowledge>div{padding:12px 0;border-bottom:1px solid #dfe1e2}.term-knowledge dt{text-transform:uppercase;font-size:.74rem;letter-spacing:.05em;font-weight:700;color:var(--learn-muted)}.term-knowledge dd{margin:.3rem 0 0;line-height:1.5}.term-knowledge .term-warning{border-left:4px solid var(--learn-red);padding-left:12px}.term-source{color:var(--learn-blue);font-weight:700}.publication-visual{margin:20px 0 30px;border:1px solid var(--learn-line);padding:10px;background:var(--learn-bg)}.publication-visual img{display:block;width:100%;height:auto}.publication-visual figcaption{font-size:.84rem;color:var(--learn-muted);padding-top:8px}.full-publication .publication-section{max-width:75ch}.full-publication .publication-section p{font-size:1rem;line-height:1.7}.property-editorial-art{width:100%;height:auto;display:block}
@media(max-width:900px){.system-primer{grid-template-columns:1fr}.visual-guide-shelf{grid-template-columns:1fr 1fr}.reader-layout{grid-template-columns:200px minmax(0,1fr)}.learning-grid{grid-template-columns:1fr}}
@media(max-width:640px){.system-primer{padding:0 16px}.system-primer-copy{padding-left:16px}.system-primer-copy h2{font-size:1.75rem}.learn-tabs{padding-inline:16px}.learning-start{margin:16px;display:block}.learning-start button{margin-top:10px}.visual-guide-shelf{margin:16px;grid-template-columns:1fr}.reader-search{margin:18px 16px}.reader-layout{display:block}.reader-index{position:static;display:flex;overflow:auto;max-height:none;border-right:0;border-bottom:1px solid var(--learn-line);margin:0 16px 18px;padding:0}.reader-index button{min-width:210px;border-left:0;border-bottom:4px solid transparent}.reader-index button:hover,.reader-index button:focus-visible{border-bottom-color:var(--learn-blue)}.learning-grid{padding:0 16px}}
.program-reference{max-width:1152px;margin:24px auto;padding:24px;border:1px solid var(--learn-line);background:#fff}.program-reference .section-head{display:flex;justify-content:space-between;gap:18px;align-items:end}.program-reference h2{margin:.2rem 0 .8rem;font-size:1.75rem}.reference-table-wrap{overflow:auto;border:1px solid var(--learn-line)}.program-reference table{width:100%;border-collapse:collapse;min-width:900px}.program-reference th,.program-reference td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid #dfe1e2}.program-reference th{background:#e7f2f8;color:#1a4480;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}.program-reference td:first-child{font-weight:700}.reference-note{font-size:.9rem;color:var(--learn-muted);margin:12px 0 0}@media(max-width:640px){.program-reference{margin:16px;padding:16px}.program-reference .section-head{display:block}.program-reference .section-head button{margin-top:8px}}

/* USWDS companion curriculum preview: content-first, no ANCHOR visual dependency. */
.module-preview{margin:1rem 0;border-top:1px solid #a9aeb1;padding-top:.75rem}.module-preview h3{margin:0 0 .45rem;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:#1a4480}.module-preview ul{margin:0;padding-left:1.25rem;display:grid;gap:.35rem}.module-preview li{line-height:1.45;font-size:.96rem}

/* Prevent intrinsic SVG size from widening the USWDS learning page. */
.learning-start>*{min-width:0}.learning-start>img{display:block;width:min(52%,620px);max-width:100%;height:auto;object-fit:contain}.learning-start>div{min-width:0;flex:1 1 380px}.reader-layout,.learning-results,.learning-card-content{min-width:0}
@media(max-width:900px){.learning-start{display:grid;grid-template-columns:1fr}.learning-start>img{width:100%;max-height:500px}.learning-start>div{width:100%}}