:root{
  --azul:#04284d;--azul2:#061a33;--azul3:#0b3f73;--oro:#b98a2f;--oro2:#d7b46a;
  --tinta:#10233f;--muted:#66758a;--line:#dbe5f0;--bg:#f4f7fb;--card:#ffffff;
  --shadow:0 18px 45px rgba(6,26,51,.12);--radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#f7f9fd 0,#fff 34%);color:var(--tinta)}a{text-decoration:none;color:inherit}img{max-width:100%}
.top{background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,229,240,.9);position:sticky;top:0;z-index:50}.top-inner{display:grid;grid-template-columns:auto auto;gap:24px;justify-content:space-between;align-items:center;padding:14px 6%}.brand{display:flex;gap:14px;align-items:center;min-width:275px}.brand img{width:74px;height:74px;object-fit:contain;border-radius:14px;background:#fff;box-shadow:0 10px 24px rgba(4,40,77,.08)}.brand h1{font-size:13px;line-height:1.15;margin:0;color:var(--azul);letter-spacing:.09em;text-transform:uppercase}.brand b{display:block;font-size:31px;letter-spacing:.02em;margin-top:2px}.logos{display:flex;gap:16px;align-items:center;justify-content:flex-end}.logos img{height:48px;max-width:118px;object-fit:contain;filter:grayscale(.05)}
.search{max-width:680px;width:100%;justify-self:center}.search-panel{display:flex;background:white;border:1px solid #cfdae8;border-radius:999px;box-shadow:0 12px 28px rgba(6,26,51,.08);overflow:hidden}.search input{flex:1;border:0;padding:16px 18px;font-size:15px;outline:0}.search button{border:0;background:linear-gradient(135deg,var(--azul),var(--azul3));color:#fff;padding:0 24px;font-weight:800;letter-spacing:.02em}.search small{display:block;margin-top:6px;text-align:center;color:var(--muted);font-size:12px}.nav{display:flex;align-items:center;gap:4px;padding:0 6%;background:linear-gradient(90deg,var(--azul2),var(--azul));box-shadow:0 9px 24px rgba(4,40,77,.22)}.nav a{color:#edf5ff;padding:17px 16px;font-weight:750;font-size:13px;letter-spacing:.03em;border-bottom:3px solid transparent}.nav a:hover,.nav a.active{background:rgba(255,255,255,.08);border-bottom-color:var(--oro2)}.login{margin-left:auto;border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:9px 18px!important;margin-top:7px;margin-bottom:7px}.hero{position:relative;min-height:570px;background:url('../img/biblioteca-puerto-angel.jpg') center/cover no-repeat;display:flex;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,26,51,.94) 0%,rgba(4,40,77,.78) 45%,rgba(6,26,51,.16) 100%)}.hero:after{content:"";position:absolute;right:-120px;bottom:-170px;width:560px;height:560px;border-radius:50%;background:rgba(215,180,106,.22);filter:blur(10px)}.hero-content{position:relative;color:#fff;max-width:820px;margin-left:6%;padding:35px 0}.eyebrow{display:inline-flex;gap:9px;align-items:center;padding:9px 14px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.1);font-weight:800;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.hero h2{font-size:clamp(36px,5vw,66px);line-height:1.02;margin:22px 0 18px;letter-spacing:-.035em}.hero p{font-size:19px;line-height:1.65;color:#e7eef7;max-width:720px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--oro),#d4ad60);color:#fff;padding:13px 21px;border-radius:999px;font-weight:850;border:0;box-shadow:0 12px 22px rgba(185,138,47,.24);cursor:pointer}.btn.dark{background:linear-gradient(135deg,var(--azul),var(--azul3));box-shadow:0 12px 22px rgba(4,40,77,.24)}.btn.ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);box-shadow:none}.hero-search{margin-top:28px;max-width:700px;background:rgba(255,255,255,.96);padding:10px;border-radius:22px;box-shadow:0 25px 60px rgba(0,0,0,.25)}.hero-search form{display:flex;gap:8px}.hero-search input{flex:1;border:1px solid #d7e0ec;border-radius:15px;padding:16px;font-size:16px}.hero-search button{border-radius:15px;border:0;background:var(--oro);color:white;padding:0 24px;font-weight:900}.hero-search span{display:block;color:#52657d;font-size:12px;padding:7px 8px 0}.quick{position:relative;margin:-46px 6% 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.quick-card{background:white;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);min-height:130px}.quick-card b{font-size:31px;color:var(--oro)}.quick-card h3{margin:8px 0 6px;color:var(--azul)}.quick-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}.section{padding:54px 6%}.section.alt{background:#f5f8fc}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section h2{color:var(--azul);font-size:32px;line-height:1.15;margin:0;letter-spacing:-.02em}.section .lead{color:var(--muted);max-width:720px;line-height:1.6;margin:8px 0 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(6,26,51,.08);padding:18px;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd9e8}.card img{width:100%;height:190px;object-fit:cover;border-radius:14px}.card h3{color:var(--azul);font-size:20px;margin:15px 0 9px}.card p{color:#53657c;line-height:1.55}.library-card{padding:0}.library-card img{height:220px;border-radius:18px 18px 0 0}.library-card .inside{padding:18px}.badge{display:inline-flex;background:#eef4fb;color:var(--azul3);border:1px solid #d9e6f3;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.resources .card{text-align:left}.resources img{height:76px;object-fit:contain;background:#f7f9fc;padding:13px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.filters a{padding:10px 16px;border:1px solid #cdd9e8;border-radius:999px;background:white;color:var(--azul);font-weight:800}.filters a.active,.filters a:hover{background:var(--azul);color:white}.content-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:22px;align-items:start}.content-card{padding:0 0 16px;border-radius:18px}.content-card img{height:auto;aspect-ratio:1/1;border-radius:18px 18px 0 0;display:block}.content-card h3,.content-card small,.content-card p{display:block;padding-left:17px;padding-right:17px}.content-card h3{font-size:18px;line-height:1.25;margin:16px 0 8px}.content-card small{color:#56687d;font-weight:800;font-size:12px;margin-bottom:10px}.content-card p{font-size:14px;line-height:1.45;margin:10px 0 12px}.blog-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;background:linear-gradient(135deg,#fff,#f4f7fb);border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow);margin-bottom:26px}.blog-feature img{height:330px;width:100%;object-fit:cover;border-radius:20px}.blog-feature h3{font-size:34px;margin:8px 0;color:var(--azul)}.blog-cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:22px 0}.blog-cat{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 8px 22px rgba(6,26,51,.06);font-weight:850;color:var(--azul)}.footer{background:linear-gradient(135deg,#061a33,#04284d 55%,#073b6a);color:white;padding:46px 6% 0;margin-top:40px}.footer-grid{display:grid;grid-template-columns:2fr 1.1fr 1.1fr 1.6fr;gap:30px}.footer h3{margin-top:0}.footer p,.footer a{color:#dce8f5;line-height:1.6}.footer-logos{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}.footer-logos img{background:white;border-radius:12px;padding:8px;height:66px;max-width:150px;object-fit:contain}.copy{background:linear-gradient(90deg,var(--oro),#d3aa5b);text-align:center;padding:15px;margin:36px -6% 0;color:#fff;font-weight:800}.album-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.album-photos img{height:auto;aspect-ratio:1/1;object-fit:cover;width:100%;border-radius:14px;box-shadow:0 8px 22px rgba(6,26,51,.12)}
@media(max-width:980px){.top-inner{grid-template-columns:1fr}.logos{justify-content:center}.nav{overflow:auto}.quick{grid-template-columns:1fr 1fr}.blog-feature{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.brand b{font-size:25px}.hero{min-height:560px}.hero-content{margin:0 24px}.hero-search form,.search-panel{border-radius:18px}.hero-search form{flex-direction:column}.hero-search button{padding:14px}.quick{grid-template-columns:1fr;margin-top:20px}.section{padding:38px 22px}.footer-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.nav a{white-space:nowrap}}

/* Versión educativa, académica y moderna */
.research-search-section{padding:52px 6% 10px;background:linear-gradient(180deg,#fff,#f4f7fb)}
.search-lab{position:relative;overflow:hidden;background:linear-gradient(135deg,#061a33,#06345f 55%,#0b4d83);border-radius:32px;padding:42px;color:#fff;box-shadow:0 26px 70px rgba(6,26,51,.22)}
.search-lab:before{content:"";position:absolute;right:-90px;top:-140px;width:360px;height:360px;border-radius:50%;background:rgba(215,180,106,.18)}
.search-lab h2{font-size:clamp(30px,4vw,52px);line-height:1.05;max-width:900px;margin:15px 0 10px;letter-spacing:-.035em;color:#fff}
.search-lab p{max-width:760px;font-size:17px;color:#dce8f5}.darkey{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.mega-search{position:relative;display:flex;gap:10px;background:#fff;border-radius:24px;padding:10px;margin-top:28px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.mega-search input{flex:1;border:1px solid #d7e0ec;border-radius:18px;padding:18px 20px;font-size:17px;outline:0;color:#10233f}.mega-search button{border:0;border-radius:18px;padding:0 34px;background:linear-gradient(135deg,var(--oro),#d7b46a);color:#fff;font-weight:950;font-size:16px;cursor:pointer}
.search-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.search-tags a{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;padding:9px 14px;border-radius:999px;font-weight:800;font-size:13px}
.impact-strip{margin:24px 6% 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.impact-strip div{background:white;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(6,26,51,.08);text-align:center}.impact-strip strong{display:block;color:var(--oro);font-size:38px;line-height:1}.impact-strip span{display:block;color:var(--azul);font-weight:850;margin-top:6px;text-transform:uppercase;font-size:12px;letter-spacing:.05em}
.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}.path-card{position:relative;min-height:220px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 30px rgba(6,26,51,.08);overflow:hidden}.path-card:after{content:"";position:absolute;right:-45px;bottom:-45px;width:130px;height:130px;border-radius:50%;background:rgba(185,138,47,.12)}.path-card span{font-size:38px}.path-card h3{font-size:24px;color:var(--azul);margin:14px 0 8px}.path-card p{color:var(--muted);line-height:1.55}
.production-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.production-grid article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 30px rgba(6,26,51,.08)}.production-grid b{display:inline-flex;border-radius:999px;background:#eef4fb;color:var(--azul3);padding:7px 12px;font-size:12px;text-transform:uppercase;letter-spacing:.05em}.production-grid h3{color:var(--azul);font-size:24px;margin:16px 0 8px}.production-grid p{color:var(--muted);line-height:1.6}
.calendar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.event-card{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 12px 30px rgba(6,26,51,.08)}.event-card time{width:78px;height:78px;border-radius:20px;background:linear-gradient(135deg,var(--azul),var(--azul3));color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:28px;font-weight:950;line-height:1}.event-card time span{font-size:13px;text-transform:uppercase;color:#d7b46a}.event-card h3{margin:0 0 6px;color:var(--azul)}.event-card p{margin:0;color:var(--muted);line-height:1.45}
@media(max-width:760px){.mega-search{flex-direction:column}.mega-search button{padding:16px}.impact-strip{grid-template-columns:1fr 1fr}.search-lab{padding:28px}.research-search-section{padding:28px 22px 8px}}

.event-card{text-decoration:none;color:inherit}
.production-grid article:hover,.event-card:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(10,31,68,.16)}