/* Page-level refinements. Core article styles live in base.css to keep the system consistent. */
.hub-intro{display:grid;grid-template-columns:1fr .72fr;gap:52px;align-items:start}.hub-intro__aside{background:var(--ivory);border-top:3px solid var(--teal);padding:22px}.hub-intro__aside h2{font-size:1.35rem;margin:0 0 10px}.topic-group{padding:38px 0;border-top:1px solid var(--line)}.topic-group__head{display:grid;grid-template-columns:260px 1fr;gap:36px}.topic-group__head h2{font-family:Georgia,"Times New Roman",serif;font-size:2rem;margin:0}.topic-links{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);}.topic-links a{padding:15px 16px;background:#fff;text-decoration:none;font-weight:800;color:var(--navy)}.topic-links a:hover{background:var(--soft)}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);padding:1px;margin:30px 0}.method-step{padding:22px;background:#fff}.method-step strong{font-family:Georgia,"Times New Roman",serif;font-size:1.25rem;display:block}.method-step p{font-size:.86rem;margin:8px 0 0}.source-registry{display:grid;gap:0;border-top:1px solid var(--line);margin-top:25px}.source-registry>div{display:grid;grid-template-columns:1.1fr .9fr;padding:14px 0;border-bottom:1px solid var(--line);gap:22px}.source-registry strong{color:var(--navy)}.source-registry span{color:var(--muted);font-size:.88rem}.about-values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);padding:1px;margin:30px 0}.about-values>div{padding:22px;background:#fff}.about-values img{width:28px;margin-bottom:18px}.about-values h2{font-size:1.35rem!important;margin:0 0 8px!important}
@media(max-width:780px){.hub-intro,.topic-group__head{grid-template-columns:1fr}.topic-links,.method-grid,.about-values{grid-template-columns:1fr}.source-registry>div{grid-template-columns:1fr;gap:3px}.topic-group__head{gap:18px}}