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8px}.caja-ciencia{border-left: 4px solid var(--primary)}.caja-consejo{border: 1px solid var(--border)}.caja-lista{border-radius: 16px;padding: 24px}.caja-lista .caja-titulo{text-transform: none;letter-spacing: 0;font-size: 1rem}.caja-aviso{background: #fff8e1;border-left: 4px solid #f9a825}.caja-aviso .caja-titulo{color: #b45309}.caja-gris{background: #f3f4f6;border-radius: 16px;padding: 24px}.caja-gris .caja-titulo{color: #374151;text-transform: none;letter-spacing: 0;font-size: 1rem}.caja-gris li{color: #4b5563}.nota-legal{background: var(--surface);border-left: 4px solid var(--accent);padding: 16px 20px;border-radius: 12px;font-size: 0.92rem}.caja-enlace{display: block;margin: 0 0 28px;padding: 18px 22px;border-radius: 18px;background: var(--surface-soft);border: 1px solid var(--border);border-left: 6px solid var(--primary);color: var(--text)}.caja-enlace:hover{text-decoration: none;border-color: var(--primary)}.caja-enlace strong{color: var(--primary-strong)}.dos-columnas{display: 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var(--border);text-align: center}.compartir p{font-weight: 700;color: var(--primary-strong);margin: 0 0 16px}.compartir a{display: inline-block;color: #fff;padding: 10px 20px;border-radius: 999px;font-weight: 700;margin: 4px}.compartir a:hover{text-decoration: none;opacity: 0.9}.compartir-whatsapp{background: #177a3f}.compartir-facebook{background: #166fe5}.compartir-x{background: #000}.relacionados-bloque{margin: 24px 0 0;padding-top: 28px;border-top: 1px solid var(--border)}.relacionados-bloque h2{font-size: 1.35rem;margin: 0 0 18px;color: var(--primary-strong)}.relacionados-grid{display: grid;grid-template-columns: repeat(auto-fit,minmax(200px,1fr));gap: 18px}.relacionado{display: block;color: inherit;border: 1px solid var(--border);border-radius: 12px;overflow: hidden;background: var(--surface);transition: box-shadow .2s}.relacionado:hover{text-decoration: none;box-shadow: 0 4px 14px rgba(0,0,0,.09)}picture{display: contents}.relacionado img{width: 100%;height: 130px;object-fit: cover}.relacionado span{display: block;padding: 12px 14px;font-weight: 600;font-size: .95rem;line-height: 1.35}.contacto-correo{color: var(--text-muted)}.hero-emojis{font-size: 2rem;letter-spacing: 0.4em;margin-bottom: 18px}.card-destacado{background: var(--surface);border-radius: 28px;border: 1px solid var(--border);overflow: hidden;box-shadow: 0 20px 52px rgba(20,50,65,0.11);display: grid;grid-template-columns: 1fr 1fr;min-height: 300px;margin-bottom: 40px;transition: transform 0.25s ease,box-shadow 0.25s ease}.card-destacado:hover{transform: translateY(-4px);box-shadow: 0 0 0 1px var(--sol),0 24px 60px var(--brillo)}.card-destacado-imagen{overflow: hidden;background: linear-gradient(135deg,var(--cielo) 0%,#fff1c9 100%)}.card-destacado-imagen img{width: 100%;height: 100%;object-fit: cover}.card-destacado-contenido{padding: 36px;display: flex;flex-direction: column;justify-content: center;gap: 14px}.badge-destacado{display: inline-flex;align-items: center;gap: 6px;background: var(--primary);color: #fff;padding: 6px 14px;border-radius: 999px;font-size: 0.75rem;font-weight: 700;text-transform: uppercase;letter-spacing: 0.08em;width: fit-content}.card-destacado h2{font-size: 1.75rem;line-height: 1.2;margin: 0}.card-destacado h2 a{color: var(--text)}.card-destacado h2 a:hover{color: var(--primary);text-decoration: none}.card-destacado .extracto{color: var(--text-muted);font-size: 1rem;margin: 0;line-height: 1.65}.card-destacado .leer-mas{color: var(--primary-strong);font-weight: 700}.aviso-calculadoras{display: flex;align-items: center;gap: 20px;margin-bottom: 40px;padding: 24px 28px;border-radius: 24px;background: var(--surface-soft);border: 1px solid var(--border);border-left: 6px solid var(--primary);color: var(--text);box-shadow: 0 10px 28px rgba(20,50,65,0.07)}.aviso-calculadoras:hover{text-decoration: none;border-color: var(--primary)}.aviso-calculadoras-icono{font-size: 2.6rem;line-height: 1;flex-shrink: 0}.aviso-calculadoras-etiqueta{display: block;font-size: 0.75rem;font-weight: 700;text-transform: uppercase;letter-spacing: 0.08em;color: var(--primary)}.aviso-calculadoras strong{display: block;font-family: var(--fuente-titulos);font-size: 1.35rem;line-height: 1.25;margin: 4px 0}.aviso-calculadoras-texto{display: block;color: var(--text-muted);font-size: 0.95rem;line-height: 1.5}.aviso-calculadoras-texto b{color: var(--primary-strong)}.grid-2col{display: grid;grid-template-columns: 1fr 1fr;gap: 24px;margin-bottom: 48px}.card-articulo.con-imagen{padding: 0;overflow: hidden}.card-articulo.con-imagen>:not(.card-imagen){margin-left: 24px;margin-right: 24px}.card-articulo.con-imagen .categoria{margin-top: 20px}.card-articulo.con-imagen .leer-mas{margin-bottom: 24px}.card-imagen img{width: 100%;height: 170px;object-fit: cover}.seccion-categoria{margin-bottom: 48px}.seccion-categoria-header{display: flex;align-items: center;justify-content: space-between;margin-bottom: 20px;padding-bottom: 14px;border-bottom: 2px solid var(--border)}.seccion-categoria-titulo{font-family: var(--fuente-titulos);font-size: 1.4rem;color: var(--primary-strong);margin: 0}.ver-todos{font-size: 0.9rem;font-weight: 700;color: var(--primary-strong);white-space: nowrap}.solo-lector{position: absolute;width: 1px;height: 1px;padding: 0;margin: -1px;overflow: hidden;clip: rect(0 0 0 0);white-space: nowrap;border: 0}.grid-3col{display: grid;grid-template-columns: repeat(3,1fr);gap: 18px}.card-mini{background: var(--surface);border-radius: 18px;border: 1px solid var(--border);border-left: 4px solid transparent;padding: 20px;box-shadow: 0 10px 28px rgba(20,50,65,0.07);transition: transform 0.2s ease,box-shadow 0.2s ease,border-left-color 0.2s ease}.card-mini:hover{transform: translateY(-3px);box-shadow: 0 16px 36px rgba(20,50,65,0.13);border-left-color: var(--primary)}.card-mini h3{font-size: 1.02rem;margin: 0 0 10px;line-height: 1.3}.card-mini h3 a{color: var(--text)}.card-mini h3 a:hover{color: var(--primary);text-decoration: none}.card-mini .extracto-mini{color: var(--text-muted);font-size: 0.88rem;margin: 0 0 14px;line-height: 1.55}.card-mini .leer-mas{font-size: 0.85rem;color: var(--primary-strong);font-weight: 700}.separador-categorias{height: 3px;background: linear-gradient(90deg,var(--primary) 0%,var(--accent) 50%,transparent 100%);border-radius: 999px;margin: 48px 0;opacity: 0.4}@media (max-width: 768px){.card-destacado{grid-template-columns: 1fr}.card-destacado-imagen{min-height: 200px}.card-destacado-contenido{padding: 24px 22px}.card-destacado h2{font-size: 1.35rem}.grid-2col{grid-template-columns: 1fr}.grid-3col{grid-template-columns: 1fr 1fr}.dos-columnas{grid-template-columns: 1fr}.aviso-calculadoras{padding: 20px;gap: 14px}}@media (max-width: 480px){.grid-3col{grid-template-columns: 1fr}}:root{--text-muted: #48606c}.section-subtitle{font-size: 1.05rem}.eyebrow,.card-articulo .categoria,.etiqueta-ebook,.badge-destacado,.caja-titulo,.lee-tambien span,.aviso-calculadoras-etiqueta{font-size: 0.85rem;letter-spacing: 0.04em}.article-byline,.article-fechas,.nota-pequena,.migas{font-size: 0.92rem}.card-articulo h2{font-size: 1.4rem}.card-mini h3{font-size: 1.12rem}.card-mini .extracto-mini{font-size: 0.95rem;line-height: 1.6}.card-mini .leer-mas{font-size: 0.95rem}.cuerpo-articulo p,.cuerpo-articulo li{line-height: 1.75}.fuentes ul,.fuentes ol{font-size: 0.95rem}footer{font-size: 1rem}@media (max-width: 900px){.barra-lateral{order: 0}}@media (max-width: 768px){.menu-principal a{font-size: 0.95rem;padding: 8px 12px}}@media (max-width: 480px){.menu-principal a{font-size: 0.92rem;padding: 9px 6px}.seccion-titulo{font-size: 1.6rem}}.card-destacado h2{font-size: 1.45rem}.card-destacado .extracto{font-size: 1rem}.caja-resumen{background: var(--sol-claro);border: 1px solid #f6dc96;border-left: 6px solid var(--sol-fuerte);border-radius: 14px}.caja-resumen .caja-titulo{font-size: 0.95rem;letter-spacing: 0.04em}.caja-resumen li{margin-bottom: 6px}.header-top nav.menu-principal{flex-basis: 100%}.busqueda-cabecera{display: flex;align-items: center;background: rgba(255,255,255,0.72);border: 1px solid rgba(27,42,51,0.18);border-radius: 999px;padding: 2px 4px 2px 14px;min-width: 240px}.busqueda-cabecera input{border: 0;background: transparent;color: var(--text);font: inherit;font-size: 0.95rem;padding: 8px 4px;width: 100%;outline: none}.busqueda-cabecera input::placeholder{color: #4f6470}.busqueda-cabecera button{border: 0;background: transparent;cursor: pointer;font-size: 1rem;padding: 6px 8px}.busqueda-cabecera:focus-within{background: #fff;border-color: var(--sol-fuerte);box-shadow: 0 0 16px var(--brillo)}.cambiar-idioma{display: inline-flex;align-items: center;gap: 6px;padding: 8px 14px;border-radius: 999px;border: 1px solid rgba(27,42,51,0.25);background: rgba(255,255,255,0.5);color: var(--text);font-weight: 700;font-size: 0.92rem;white-space: nowrap}.cambiar-idioma:hover{background: #fff;text-decoration: none;color: var(--text);box-shadow: 0 0 14px var(--brillo)}.busqueda-pagina input{width: 100%;padding: 14px 18px;font: inherit;font-size: 1.1rem;border-radius: 16px;border: 1px solid var(--border);background: var(--surface);color: var(--text)}.busqueda-pagina input:focus{outline: 3px solid rgba(31,111,139,0.25);border-color: var(--primary)}.busqueda-cuantos{color: var(--text-muted);margin: 14px 0}.busqueda-resultados{display: grid;gap: 12px}.resultado-busqueda{display: block;padding: 16px 20px;background: var(--surface);border: 1px solid var(--border);border-radius: 16px;color: var(--text)}.resultado-busqueda:hover{text-decoration: none;border-color: var(--primary)}.resultado-busqueda strong{display: block;font-family: var(--fuente-titulos);font-size: 1.15rem;color: var(--primary-strong);margin: 2px 0 4px}.resultado-tipo{font-size: 0.85rem;font-weight: 700;text-transform: uppercase;letter-spacing: 0.04em;color: var(--primary)}.resultado-texto{display: block;color: var(--text-muted);font-size: 0.95rem;line-height: 1.5}@media (max-width: 600px){.header-top{flex-direction: row;flex-wrap: wrap;align-items: center;justify-content: center;gap: 14px 10px}.brand{flex-basis: 100%;align-items: center;text-align: center}.menu-toggle{order: 2;flex: 0 0 auto}.cambiar-idioma{order: 1}.busqueda-cabecera{order: 3;flex: 1 1 0;min-width: 0;align-self: stretch}.header-top nav.menu-principal{order: 4;flex-basis: 100%}.menu-principal ul{display: flex;flex-direction: column;align-items: stretch;gap: 8px;max-width: 380px;margin: 4px auto 0}.menu-principal a{display: block;text-align: center;padding: 12px 16px;font-size: 1rem}}.galeria-2{display: grid;grid-template-columns: 1fr 1fr;gap: 14px;margin: 18px 0}.galeria-2 figure{margin: 0;background: var(--surface);border: 1px solid var(--border);border-radius: 14px;overflow: hidden}.galeria-2 img{display: block;width: 100%;height: auto}.galeria-2 figcaption{font-size: 0.9rem;padding: 8px 12px;color: var(--text-muted)}.boton-compra{display: inline-block;margin: 6px 0 4px}.guia-pasos{margin: 32px 0;padding: 22px 24px;border-radius: 20px;background: var(--surface-soft);border: 1px solid var(--border);border-left: 6px solid var(--sol)}.guia-titulo{margin: 0 0 12px;font-size: 0.8rem;font-weight: 700;text-transform: uppercase;letter-spacing: 0.06em;color: var(--primary)}.guia-siguiente{display: block;padding: 14px 16px;border-radius: 14px;background: var(--primary);color: #fff;font-weight: 700;font-size: 1.05rem;line-height: 1.4}.guia-siguiente:hover{text-decoration: none;filter: brightness(1.08);box-shadow: 0 0 18px var(--brillo)}.guia-siguiente span{display: block;font-size: 0.78rem;font-weight: 600;opacity: 0.85;text-transform: uppercase;letter-spacing: 0.05em}.guia-pasos details{margin-top: 12px}.guia-pasos summary{cursor: pointer;font-weight: 700;color: var(--primary-strong)}.guia-pasos ol{margin: 10px 0 0;padding-left: 1.4em;line-height: 1.7}.guia-pasos li.actual{color: var(--text)}.guia-pasos li.actual em{color: var(--text-muted);font-style: normal;font-size: 0.9em}.columna-principal,.contenedor-columnas>*,.columna-principal>*{min-width: 0}.hero{padding-bottom: max(200px,15vw)}.hero-emojis{display: none}header>.hero-paisaje{position: absolute;left: 0;right: 0;bottom: 0;height: max(210px,15.5vw);z-index: 0;pointer-events: none}.hero-paisaje svg{display: block;width: 100%;height: 100%}header>.hero-sol{position: absolute;z-index: 0;top: 300px;right: 5%;width: 140px;height: 140px;pointer-events: none;filter: drop-shadow(0 0 24px rgba(255,190,60,0.7))}.hero-sol svg{width: 100%;height: 100%}.sol-rayos{animation: girar 40s linear infinite}.aspas{animation: girar 6s linear infinite}.aspas.lentas{animation-duration: 9s}@keyframes girar{to{transform: rotate(360deg)}}.ventana{animation: luz 4s ease-in-out infinite}.ventana.tarde{animation-delay: 2s}@keyframes luz{50%{fill: #fff6c8}}.carga{animation: carga 3s steps(1) infinite}.carga.c2{animation-name: carga2}.carga.c3{animation-name: carga3}@keyframes carga2{0%{opacity: 0.15}33%{opacity: 1}}@keyframes carga3{0%{opacity: 0.15}66%{opacity: 1}}@keyframes carga{0%{opacity: 1}}.corriente{animation: fluir 1.2s linear infinite}@keyframes fluir{to{stroke-dashoffset: -18}}@media (max-width: 1100px){header>.hero-sol{width: 100px;height: 100px;right: 2%;top: 330px}}@media (max-width: 760px){.hero{padding-bottom: 130px}header>.hero-paisaje{height: 140px}header>.hero-sol{display: none}}@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation: none !important;transition: none !important;scroll-behavior: auto !important}.card-articulo:hover,.card-destacado:hover,.btn-primary:hover{transform: none}}