.source-first-hero{background:linear-gradient(120deg,rgba(247,251,254,.99),rgba(234,246,255,.96) 52%,rgba(255,243,229,.98))}
.source-first-hero .sdm-hero__grid{min-height:42rem}
.source-first-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(22rem,.9fr);gap:2rem;align-items:start}
.source-first-panel{padding:1rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-lg);background:#fff}
.source-first-panel h2,.source-first-panel h3{margin:0 0 .55rem;color:var(--sdm-navy-800)}
.source-block{padding:1rem;border-left:.35rem solid var(--sdm-blue-600);border-radius:0 var(--sdm-radius-md) var(--sdm-radius-md) 0;background:var(--sdm-blue-100)}
.source-block strong{display:block;color:var(--sdm-blue-700)}
.source-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.6rem}
.source-chip{display:inline-flex;padding:.3rem .55rem;border-radius:999px;background:#fff;color:var(--sdm-navy-800);font-size:.72rem;font-weight:850}
.source-status{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .55rem;border-radius:999px;font-size:.72rem;font-weight:900}
.source-status::before{content:"";width:.55rem;height:.55rem;border-radius:50%;background:currentColor}
.source-status--current{background:#e8f7ef;color:#137a4b}
.source-status--review{background:#fff3d6;color:#8a5b00}
.source-status--superseded,.source-status--unavailable{background:#fde9e9;color:#a12626}
.source-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.source-card{display:flex;flex-direction:column;min-height:19rem;padding:1rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-lg);background:#fff}
.source-card h2{margin:0 0 .35rem;color:var(--sdm-navy-800);font-size:var(--sdm-step-2)}
.source-card .authority{font-weight:900;color:var(--sdm-orange-700)}
.source-card p{flex:1}
.source-card a{margin-top:auto}
.proposition-grid{display:grid;gap:.8rem}
.proposition-card{padding:1rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-md);background:var(--sdm-gray-050)}
.proposition-card strong{display:block;color:var(--sdm-navy-800)}
.response-demo{display:grid;gap:1rem}
.response-demo section{padding:1rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-lg);background:#fff}
.response-demo h2{margin:0 0 .5rem;color:var(--sdm-navy-800);font-size:var(--sdm-step-2)}
.direct-source-list{display:grid;gap:.65rem}
.direct-source-link{display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:.85rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-md);background:#fff;text-decoration:none}
.direct-source-link strong{color:var(--sdm-navy-800)}
.direct-source-link span{color:var(--sdm-blue-700);font-weight:850}
.source-sidebar{position:sticky;top:calc(var(--sdm-header-height) + 1.5rem);display:grid;gap:1rem}
.source-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.source-metric{padding:1rem;border:1px solid var(--sdm-gray-300);border-radius:var(--sdm-radius-lg);background:#fff}
.source-metric strong{display:block;color:var(--sdm-navy-800);font-size:clamp(1.6rem,4vw,2.7rem)}
.source-metric span{color:var(--sdm-gray-600)}
@media(max-width:68rem){.source-first-layout{grid-template-columns:1fr}.source-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:47.5rem){.source-card-grid,.source-sidebar,.source-metrics{grid-template-columns:1fr}}


.sdm-sitewide-source-first,
.sdm-sitewide-direct-sources{
  padding:clamp(2rem,5vw,4.5rem) 0;
  background:#f4f8fb;
  border-top:1px solid #d9e3ea;
  border-bottom:1px solid #d9e3ea;
}
.sdm-sitewide-direct-sources{background:#fff}
.sdm-sitewide-source-first__inner{
  display:grid;
  grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);
  gap:2rem;
  align-items:start;
}
.sdm-sitewide-source-first h2,
.sdm-sitewide-direct-sources h2{
  margin:.2rem 0 .8rem;
  color:#10263d;
}
.sdm-sitewide-source-first__sources{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1rem;
}
.sdm-page-source-card{
  padding:1rem;
  border:1px solid #d9e3ea;
  border-radius:1rem;
  background:#fff;
}
.sdm-page-source-card__head{
  display:flex;
  justify-content:space-between;
  gap:.75rem;
  align-items:flex-start;
}
.sdm-page-source-card strong{color:#10263d}
.sdm-page-source-card details{margin:.75rem 0}
.sdm-page-source-card summary{cursor:pointer;color:#1268a8;font-weight:800}
.sdm-page-source-card a{color:#1268a8;font-weight:850}
@media(max-width:68rem){
  .sdm-sitewide-source-first__inner{grid-template-columns:1fr}
}
@media(max-width:47.5rem){
  .sdm-sitewide-source-first__sources{grid-template-columns:1fr}
}