/* Base layout — shared across all themes */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip-link{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#fff;padding:.5rem .75rem;z-index:1000}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;
}
.container{width:min(1120px,calc(100% - 2rem));margin-inline:auto}
.container.narrow{width:min(760px,calc(100% - 2rem))}
.section{padding:3rem 0}
.section-alt{background:var(--surface)}
.page-hero{padding:2.5rem 0 1rem;border-bottom:1px solid var(--border)}
.eyebrow{text-transform:uppercase;letter-spacing:.06em;font-size:.75rem;color:var(--muted);margin:0 0 .5rem}
.lead{font-size:1.125rem;color:var(--muted);max-width:42rem}
h1,h2,h3{line-height:1.25;color:var(--text)}
h1{font-family:var(--font-display);font-size:clamp(1.75rem,4vw,2.5rem);margin:0 0 .75rem}
h2{font-size:1.4rem;margin:0 0 1rem}
h3{font-size:1.1rem;margin:0 0 .5rem}

.site-header{border-bottom:1px solid var(--border);background:var(--card);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--text);font-weight:700}
.logo-mark{
  width:2rem;height:2rem;border-radius:calc(var(--radius) * .6);
  background:var(--primary);color:#fff;display:grid;place-items:center;font-size:.9rem;
}
.site-nav{display:flex;align-items:center;gap:1rem}
.site-nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.site-nav a{text-decoration:none;color:var(--text);font-size:.95rem}
.nav-toggle{display:none;background:transparent;border:0;padding:.35rem;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:.65rem 1.1rem;border-radius:var(--radius);
  border:1px solid transparent;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--secondary);color:#fff}
.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}
.btn-cta{background:var(--accent);color:#fff}
.hero{padding:3.5rem 0 2.5rem;background:var(--surface);border-bottom:1px solid var(--border)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.25rem 0}
.search-form{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.25rem}
.search-form input{
  flex:1;min-width:220px;min-height:44px;padding:.65rem .8rem;
  border:1px solid var(--border);border-radius:var(--radius);background:#fff;font:inherit;
}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;
}
.card-meta{color:var(--muted);font-size:.85rem;margin:0 0 .35rem}
.card-footer{display:flex;justify-content:space-between;gap:.75rem;color:var(--muted);font-size:.85rem;margin-top:1rem}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.topic-card{
  display:block;padding:1.25rem;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--card);text-decoration:none;color:inherit;
}
.info-box,.sidebar-box,.tool-panel,.article-cta{
  border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;background:var(--surface);
}
.cta-band{padding:2.5rem 0;background:var(--primary);color:#fff}
.cta-band h2,.cta-band p{color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--primary)}
.checklist{padding-left:1.2rem}
.checklist li{margin:.5rem 0}
.faq-list details,.article-faq details{border-bottom:1px solid var(--border);padding:.75rem 0}
.faq-list summary{cursor:pointer;font-weight:600}

.site-footer{border-top:1px solid var(--border);background:var(--surface);padding:2.5rem 0 1rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:1.5rem}
.footer-heading{font-size:.95rem;margin:0 0 .75rem}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links a{text-decoration:none;color:var(--text)}
.disclaimer{font-size:.85rem;color:var(--muted)}
.footer-bottom{margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem}

.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:2rem;padding:1.5rem 0 3rem}
.article-layout--sidebar-left .article-grid{grid-template-columns:280px minmax(0,1fr)}
.article-layout--sidebar-left .article-main{order:2}
.article-layout--sidebar-left .article-sidebar{order:1}
.article-layout--full-width .article-grid{grid-template-columns:1fr}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin:1rem 0}
.breadcrumbs .sep{margin:0 .35rem}
.article-meta{color:var(--muted);font-size:.95rem}
.prose :where(p,ul,ol,table,blockquote){margin:0 0 1rem}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.4rem}
.prose table{width:100%;border-collapse:collapse}
.prose th,.prose td{border:1px solid var(--border);padding:.5rem .65rem;text-align:left}
.toc{border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin:1rem 0 1.5rem;background:var(--card)}
.share-bar{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}
.layout-split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(220px,.8fr);gap:2rem}
.article-list{list-style:none;margin:0;padding:0}
.article-list li{padding:.85rem 0;border-bottom:1px solid var(--border)}
.article-list .meta{display:block;color:var(--muted);font-size:.85rem}
.category-list{list-style:none;margin:0;padding:0}
.category-list.inline{display:flex;flex-wrap:wrap;gap:.75rem}
.featured-split{display:grid;grid-template-columns:1.4fr .8fr;gap:1.5rem;align-items:start}
.checker fieldset{border:0;padding:0;margin:0 0 1rem}
.checker label{display:block;margin:.4rem 0}

/* UCR 2027 promo blocks */
.ucr-promo{border:1px solid var(--border)}
.ucr-promo--banner{
  background:var(--primary);color:#fff;border:0;padding:.85rem 0;
}
.ucr-promo--banner .ucr-promo__eyebrow,
.ucr-promo--banner .ucr-promo__headline,
.ucr-promo--banner .ucr-promo__sub,
.ucr-promo--banner .ucr-promo__note{color:#fff}
.ucr-promo--banner .btn-primary{background:#fff;color:var(--primary)}
.ucr-promo--banner .btn-secondary{border-color:rgba(255,255,255,.55);color:#fff}
.ucr-promo--banner .btn-cta{background:var(--accent);color:#fff}
.ucr-promo__inner{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between}
.ucr-promo__eyebrow{margin:0;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;opacity:.9}
.ucr-promo__headline{margin:.15rem 0;font-size:1.05rem;font-weight:700}
.ucr-promo__sub{margin:0;font-size:.92rem;opacity:.95}
.ucr-promo__actions{display:flex;flex-wrap:wrap;gap:.5rem}
.ucr-promo__note{flex-basis:100%;margin:0;font-size:.78rem;opacity:.85}
.ucr-promo--box,.ucr-promo--footer{
  margin:1.5rem 0;padding:1.1rem;border-radius:var(--radius);background:var(--surface);
}
.ucr-promo--footer{margin:0;border-radius:0;border-left:0;border-right:0}
.ucr-promo--compact{border:0;padding:0;margin:.75rem 0 0}
.ucr-promo--compact .ucr-promo__copy{display:none}
.ucr-promo--compact .ucr-promo__actions{flex-direction:column}
.ucr-promo--compact .btn{width:100%}

.partner-hub{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:2rem 0;
}
.partner-hub__grid{display:grid;gap:1.25rem}
.partner-hub__actions{display:flex;flex-wrap:wrap;gap:.6rem}
.partner-hub__fees ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.5rem}
.partner-hub__fees li{display:flex;justify-content:space-between;gap:.75rem;padding:.55rem .7rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--card)}
.partner-hub__note{margin:0}
.footer-partner-contact{font-size:.9rem;color:var(--muted);margin-top:.75rem}

@media (max-width:900px){
  .footer-grid,.article-grid,.layout-split,.featured-split{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--card);border-bottom:1px solid var(--border);padding:1rem;flex-direction:column;align-items:stretch}
  .site-nav.is-open{display:flex}
  .site-nav ul{flex-direction:column}
  .header-inner{position:relative}
  .ucr-promo__inner{align-items:flex-start}
}
@media (max-width:480px){
  .hero{padding:2.25rem 0 1.75rem}
  .section{padding:2rem 0}
}