/* Portada renovada; aislada de las páginas interiores */
:root{--ink:#182c3c;--muted:#526675;--accent:#9b7045;--line:#dce3e6;--paper:#f7f9f8}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:#205979}a:hover{text-decoration:underline}.shell{max-width:1160px;margin:auto;padding:0 26px}.top{border-bottom:1px solid var(--line);background:#fff}.top .shell{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}.brand{font-weight:750;letter-spacing:-.03em;font-size:1.16rem;color:var(--ink);text-decoration:none}.top nav{display:flex;gap:16px;flex-wrap:wrap;font-size:.9rem}.top nav a{text-decoration:none;color:var(--muted)}.top nav a:hover{color:var(--ink)}.hero{background:linear-gradient(125deg,#f4f7f6,#e9f0f0);padding:80px 0 86px}.eyebrow{text-transform:uppercase;letter-spacing:.17em;font-size:.75rem;font-weight:750;color:var(--accent)}h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.1;max-width:880px;margin:18px 0}h2{font:normal clamp(1.7rem,3vw,2.5rem)/1.2 Georgia,serif;margin:0 0 20px}.lead{font-size:1.18rem;color:var(--muted);max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-block;padding:11px 18px;border:1px solid var(--ink);text-decoration:none;border-radius:3px;color:var(--ink);font-weight:600}.btn.primary{background:var(--ink);color:white}.section{padding:65px 0}.section.alt{background:var(--paper)}.intro{max-width:850px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}.card{background:white;border:1px solid var(--line);padding:25px;border-radius:5px;display:flex;flex-direction:column}.card h3{font:normal 1.45rem Georgia,serif;margin:5px 0}.card p{color:var(--muted);flex:1}.card .meta{font-size:.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:.09em}.feature{border-left:3px solid var(--accent);padding-left:25px;max-width:900px}.feature h2{font-size:2.65rem}.feature .subtitle{font-size:1.14rem;color:var(--muted);font-style:italic}.foot{padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.87rem}.foot .shell{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}@media(max-width:760px){.hero{padding:55px 0}.cards{grid-template-columns:1fr}.section{padding:46px 0}.top nav{gap:10px}}

/* Responsive shared navigation and research grid */
.top .shell{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.top nav{display:flex;flex-wrap:wrap;gap:10px 16px}.top nav a{white-space:nowrap}.research-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:20px}.pending{font-size:.85rem;color:#666}.hero-image img{max-width:100%;height:auto}@media(max-width:700px){.top .shell{display:block}.top nav{margin-top:12px;gap:8px 12px}.top nav a{font-size:.85rem}}