.libro-destacado-section{padding:70px 0 0;background:var(--gris-suave);}.libro-destacado{display:grid;grid-template-columns:1fr 1.5fr;gap:0;border-radius:24px;overflow:hidden;box-shadow:var(--sombra-fuerte);background:var(--blanco-puro);}.ld-portada{position:relative;min-height:340px;background:linear-gradient(135deg,var(--azul-noche),var(--morado-acento));display:flex;align-items:center;justify-content:center;font-size:7rem;color:rgba(185,229,251,0.2);}.ld-tipo-badge{position:absolute;bottom:20px;left:20px;background:var(--azul-cielo);color:var(--azul-noche);font-size:12px;font-weight:800;padding:5px 16px;border-radius:20px;display:flex;align-items:center;gap:6px;}.ld-contenido{padding:42px 38px;display:flex;flex-direction:column;gap:14px;justify-content:center;}.ld-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--gris-medio);}.ld-meta span{display:flex;align-items:center;gap:5px;}.ld-meta i{color:var(--azul-medio);}.ld-contenido h2{font-size:clamp(1.4rem,2.5vw,2rem);line-height:1.3;color:var(--azul-oscuro);}.ld-contenido p{font-size:15px;color:#555;line-height:1.75;}.libros-section{padding:60px 0 90px;background:var(--gris-suave);}.libros-filtros{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}.libros-filtro{padding:8px 20px;border-radius:20px;border:2px solid var(--azul-cielo);background:transparent;color:var(--azul-oscuro);font-family:'Nunito',sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:var(--transicion);}.libros-filtro:hover,.libros-filtro.active{background:var(--azul-oscuro);border-color:var(--azul-oscuro);color:var(--azul-cielo);}.recursos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;}.recurso-card{background:var(--blanco-puro);border-radius:18px;overflow:hidden;box-shadow:var(--sombra-suave);transition:all 0.4s cubic-bezier(0.34,1.56,0.64,1);display:flex;flex-direction:column;opacity:0;transform:translateY(24px);animation:fadeUp 0.6s ease forwards;}.recurso-card.oculto{display:none;}.recurso-card:hover{transform:translateY(-8px);box-shadow:var(--sombra-fuerte);}.rc-portada{height:160px;display:flex;align-items:center;justify-content:center;font-size:3.8rem;color:rgba(255,255,255,0.2);transition:transform 0.5s ease;position:relative;overflow:hidden;}.recurso-card:hover .rc-portada{transform:scale(1.05);}.rc-portada.libro{background:linear-gradient(135deg,var(--azul-noche),var(--azul-oscuro));}.rc-portada.articulo{background:linear-gradient(135deg,var(--morado-acento),#7b3fc4);}.rc-portada.revista{background:linear-gradient(135deg,#0288d1,var(--azul-medio));}.rc-portada.online{background:linear-gradient(135deg,#1b5e20,#388e3c);}.rc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}.rc-tipo{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:0.1em;padding:3px 10px;border-radius:20px;align-self:flex-start;}.rc-tipo.libro{background:rgba(185,229,251,0.35);color:var(--azul-oscuro);}.rc-tipo.articulo{background:rgba(75,33,141,0.12);color:var(--morado-acento);}.rc-tipo.revista{background:rgba(2,136,209,0.12);color:#0277bd;}.rc-tipo.online{background:rgba(56,142,60,0.12);color:#2e7d32;}.rc-body h3{font-size:1.05rem;color:var(--azul-oscuro);line-height:1.35;}.rc-autor{font-size:13px;color:var(--gris-medio);display:flex;align-items:center;gap:5px;}.rc-autor i{color:var(--azul-cielo);font-size:11px;}.rc-desc{font-size:13.5px;color:#666;line-height:1.65;flex:1;}.rc-footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding-top:12px;border-top:1px solid var(--gris-suave);}.rc-tema{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--gris-suave);color:var(--gris-medio);}.rc-leer{display:flex;align-items:center;gap:5px;color:var(--azul-oscuro);font-weight:700;font-size:13px;transition:gap 0.3s ease;}.rc-leer:hover{gap:8px;color:var(--azul-medio);}.libros-cta{background:linear-gradient(135deg,var(--azul-noche) 0%,var(--azul-oscuro) 100%);padding:80px 28px;text-align:center;position:relative;overflow:hidden;}.libros-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(185,229,251,0.1) 0%,transparent 70%);}.libros-cta-inner{position:relative;z-index:1;}.libros-cta h2{color:var(--azul-cielo);font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:12px;}.libros-cta p{color:rgba(255,255,255,0.82);font-size:16px;max-width:540px;margin:0 auto 32px;line-height:1.7;}.libros-cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}.seccion-sub{font-size:16px;color:var(--gris-medio);max-width:580px;margin:0 auto;line-height:1.7;}@media(max-width:900px){.libro-destacado{grid-template-columns:1fr;}.ld-portada{min-height:220px;}}@media(max-width:600px){.libros-filtros{gap:6px;}.libros-filtro{padding:7px 14px;font-size:12px;}}