/* FUENTES LOCALES */
@font-face {
    font-family: 'Montserrat';
    src: url('/resources-guides/assets/fonts/Montserrat-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Montserrat';
    src: url('/resources-guides/assets/fonts/Montserrat-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Montserrat';
    src: url('/resources-guides/assets/fonts/Montserrat-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('/resources-guides/assets/fonts/Ubuntu-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('/resources-guides/assets/fonts/Ubuntu-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ubuntu';
    src: url('/resources-guides/assets/fonts/Ubuntu-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Montserrat';
    src: url('/resources-guides/assets/fonts/Montserrat-Black.woff2') format('woff2');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --primary-color: #1e3a8a;
    --primary-dark: #162d6e;
    --secondary-color: #2563eb;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --bg-color: #ffffff;
    --bg-soft: #f8fafc;
    --text-color: #111827;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --footer-bg: #1f2937;
    --footer-text: #f3f4f6;
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Ubuntu', sans-serif;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.13);
    --transition: 0.25s ease;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-soft);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 1rem 1.5rem;
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
    border-top: 3px solid var(--accent-color);
}

.cookie-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    font-size: 0.88rem;
    min-width: 200px;
}

.cookie-actions {
    display: flex;
    gap: 0.6rem;
}

.btn-cookies {
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.btn-accept {
    background: var(--accent-color);
    color: #fff;
}

.btn-accept:hover {
    background: var(--accent-dark);
}

.btn-reject {
    background: transparent;
    color: #f3f4f6;
    border: 1px solid #6b7280;
}

/* HEADER */
.blog-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

.blog-header-top {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.4rem 1.5rem 1rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.blog-logo {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 1.7rem;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.blog-logo .logo-dot {
    color: var(--accent-color);
}

.logo-title-row {
    gap: 0.5rem;
}

/* BLOG HEADER */
.blog-header .cpref-trigger {
    color: var(--text-muted);
}

.blog-header .cpref-trigger:hover {
    color: var(--primary-color);
}

.blog-tagline {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.blog-nav-wrap {
    max-width: 1180px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.blog-nav-list {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    padding: 0.7rem 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.blog-nav-list::-webkit-scrollbar {
    display: none;
}

.blog-nav-list a {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.blog-nav-list a:hover,
.blog-nav-list a.nav-active {
    color: var(--primary-color);
    border-color: var(--accent-color);
}

/* BREADCRUMB */
.breadcrumb {
    max-width: 1180px;
    margin: 1rem auto 0;
    padding: 0 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

.breadcrumb .crumb-current {
    color: var(--text-color);
    font-weight: 600;
}

/* LAYOUT: feed + sidebar */
.blog-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    align-items: start;
}

.blog-main {
    min-width: 0;
}

/* POST DESTACADO (hero editorial, sin imagen, tipografía-first) */
.post-hero {
    background: #fff;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    border-radius: var(--radius);
    padding: 1.8rem 2rem;
    margin-bottom: 1rem;
}

.post-eyebrow {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-dark);
    margin-bottom: 0.6rem;
    display: block;
}

.post-hero h1 {
    font-family: var(--font-primary);
    font-size: 1.7rem;
    line-height: 1.3;
    color: var(--primary-color);
    margin-bottom: 0.6rem;
}

.post-hero h1 a:hover {
    color: var(--secondary-color);
}

.post-hero p.post-excerpt {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 640px;
    margin-bottom: 0.9rem;
}

/* META de post (fecha, lectura, categoría) */
.post-meta {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.post-meta .dot::before {
    content: '·';
    margin-right: 0.7rem;
}

/* FEED DE POSTS */
.post-feed {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.post-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.2rem 1.4rem;
    transition: all var(--transition);
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.post-card h2 {
    font-family: var(--font-primary);
    font-size: 1.08rem;
    line-height: 1.35;
    color: var(--text-color);
    margin: 0.3rem 0 0.4rem;
}

.post-card h2 a:hover {
    color: var(--primary-color);
}

.post-card p.post-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}

/* REFERENCIAS */
.post-calc-ref {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--accent-dark);
    font-weight: 600;
    margin-top: 0.4rem;
}

/* PAGINACIÓN */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a,
.pagination span {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.pagination a:hover {
    background: var(--bg-soft);
    border-color: var(--secondary-color);
}

.pagination .current {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* SIDEBAR — widgets editoriales */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.widget {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.2rem 1.3rem;
}

.widget h3 {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
    padding-bottom: 0.6rem;
    margin-bottom: 0.7rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.widget-popular ol {
    list-style: none;
    counter-reset: pop;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.widget-popular li {
    counter-increment: pop;
    display: flex;
    gap: 0.7rem;
}

.widget-popular li::before {
    content: counter(pop);
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--accent-color);
    flex-shrink: 0;
    line-height: 1;
}

.widget-popular a {
    font-size: 0.85rem;
    line-height: 1.35;
    color: var(--text-color);
}

.widget-popular a:hover {
    color: var(--secondary-color);
}

/* ANUNCIOS */
.ad-zone {
    background: var(--bg-soft);
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-placeholder-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-primary);
}

.ad-horizontal {
    width: 100%;
    min-height: 90px;
    margin: 2rem 0;
    display: none;
}

.ad-rect-sidebar {
    width: 100%;
    min-height: 250px;
    display: none;
}

/* FOOTER — minimalista */
.blog-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    margin-top: 3rem;
    padding: 1.6rem 1.5rem;
}

.blog-footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.8rem;
    font-size: 0.82rem;
}

.blog-footer-links {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.blog-footer-links a {
    color: #9ca3af;
}

.blog-footer-links a:hover {
    color: #fff;
}

/* RESPONSIVE */
@media (max-width: 860px) {
    .blog-shell {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .post-hero h1 {
        font-size: 1.35rem;
    }

    .blog-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 
 PÁGINA DE POST INDIVIDUAL
 (artículo completo: cabecera, cuerpo, callout de calculadora,
 relacionados — comparte .blog-shell / .blog-sidebar con el índice)
*/
.post-article {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem 2.2rem 2.4rem;
}

.post-article-header {
    margin-bottom: 1.4rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--border-color);
}

.post-article-header h1 {
    font-family: var(--font-primary);
    font-size: 2rem;
    line-height: 1.25;
    color: var(--primary-color);
    margin: 0.6rem 0 0.8rem;
}

.post-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 1.2rem 0 0;
}

/* Tabla de contenidos breve */
.post-toc {
    background: var(--bg-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.3rem;
    margin: 1.6rem 0;
}

.post-toc p {
    font-family: var(--font-primary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.post-toc ol {
    list-style: none;
    counter-reset: toc;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.post-toc li {
    counter-increment: toc;
    font-size: 0.88rem;
}

.post-toc li::before {
    content: counter(toc) '. ';
    color: var(--accent-dark);
    font-weight: 700;
}

.post-toc a:hover {
    color: var(--secondary-color);
}

/* Cuerpo del artículo: tipografía de lectura */
.post-body h2 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin: 2rem 0 0.8rem;
    scroll-margin-top: 1rem;
}

.post-body h2:first-child {
    margin-top: 0;
}

.post-body p {
    margin-bottom: 1rem;
    font-size: 0.98rem;
}

.post-body ul,
.post-body ol {
    margin: 0 0 1rem 1.3rem;
    font-size: 0.98rem;
}

.post-body li {
    margin-bottom: 0.4rem;
}

.post-body strong {
    color: var(--text-color);
}

/* Caja de ejemplo / cifras — para datos puntuales dentro del cuerpo */
.post-example {
    background: var(--bg-soft);
    border-left: 3px solid var(--secondary-color);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 1rem 1.3rem;
    margin: 1.4rem 0;
    font-size: 0.92rem;
}

.post-example p:last-child {
    margin-bottom: 0;
}

/* Callout */
.calc-callout {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 1.2rem 1.4rem;
    margin: 1.8rem 0;
}

.calc-callout-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.calc-callout-text {
    flex: 1;
    min-width: 0;
}

.calc-callout-text p {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.75;
    margin-bottom: 0.2rem;
}

.calc-callout-text h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
}

.calc-callout-btn {
    flex-shrink: 0;
    background: var(--accent-color);
    color: #fff;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.6rem 1.1rem;
    border-radius: 50px;
    white-space: nowrap;
    transition: background var(--transition);
}

.calc-callout-btn:hover {
    background: var(--accent-dark);
}

/* Pie del artículo: categoría + fecha de actualización */
.post-article-footer {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Relacionados */
.related-section {
    margin-top: 2rem;
}

.related-section h3 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.related-card {
    display: block;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    transition: all var(--transition);
}

.related-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-hover);
}

.related-card span {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-dark);
    font-weight: 700;
}

.related-card h4 {
    font-family: var(--font-primary);
    font-size: 0.92rem;
    line-height: 1.35;
    color: var(--text-color);
    margin-top: 0.35rem;
}

/* Franja final hacia la calculadora del sitio principal */
.cta-strip {
    margin-top: 2rem;
    background: var(--bg-soft);
    border: 1px dashed var(--secondary-color);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-strip-text h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.2rem;
}

.cta-strip-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cta-strip-btn {
    background: var(--primary-color);
    color: #fff;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.7rem 1.3rem;
    border-radius: 50px;
    white-space: nowrap;
    transition: background var(--transition);
}

.cta-strip-btn:hover {
    background: var(--primary-dark);
}

/* Search on guides header */
.header-search-btn {
    display: inline-flex;
    align-items: center;
    color: #6b7280;
    opacity: 0.85;
    font-size: 1rem;
    margin-left: 4px;
    text-decoration: none;
}

.header-search-btn:hover {
    opacity: 0.9;
    transform: rotate(-12deg) scale(1.1);
}

@media (max-width: 560px) {
    .post-article {
        padding: 1.4rem 1.3rem 1.8rem;
    }

    .post-article-header h1 {
        font-size: 1.5rem;
    }

    .calc-callout {
        flex-direction: column;
        align-items: flex-start;
    }

    .calc-callout-btn {
        align-self: stretch;
        text-align: center;
    }
}

/* 
 IMÁGENES Y GRÁFICAS DEL POST
 (placeholders con el mismo lenguaje visual que .ad-zone,
 para reemplazar por foto/ilustración real sin rehacer el layout)
 */
.img-placeholder {
    width: 100%;
    background: var(--bg-soft);
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-align: center;
    padding: 1rem;
}

.img-placeholder i {
    font-size: 1.4rem;
    opacity: 0.5;
}

.img-placeholder span {
    font-size: 0.75rem;
    max-width: 320px;
    line-height: 1.4;
}

.post-hero-figure {
    margin: 1.4rem 0 1.8rem;
}

.post-hero-figure figcaption,
.post-figure-inline figcaption {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-align: center;
}

.post-figure-inline {
    margin: 1.2rem 0;
}

/* Gráfica SVG dentro del cuerpo del artículo */
.post-chart {
    margin: 1.4rem 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.2rem 1rem 0.6rem;
}

.post-chart svg {
    width: 100%;
    height: auto;
    display: block;
}

.post-chart figcaption {
    display: flex;
    justify-content: center;
    gap: 1.4rem;
    flex-wrap: wrap;
    padding: 0.7rem 0 0.3rem;
}

.chart-legend {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.chart-legend i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

/* Miniatura en tarjetas de "Sigue leyendo" */
.related-card-img {
    aspect-ratio: 16/9;
    background: var(--bg-soft);
    border: 1px solid #cbd5e1;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    opacity: 0.9;
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
}

.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

/* Section divider */
.section-divider {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.section-divider span {
    display: block;
    width: 100%;
    max-width: 1200px;
    height: 1px;
    background: rgba(128, 128, 128, 0.127);
}

/* Category header */
.category-header {
    margin-bottom: 1rem;
}

/* ARTICLES IMAGES */
.post-hero-figure {
    margin: 1.4rem 0 1.8rem;
    overflow: hidden;
}

.post-hero-figure img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
    object-fit: contain;
}

.post-figure-inline img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
    object-fit: cover;
}

.post-figure-inline {
    margin: 1.2rem 0;
    overflow: hidden;
}

@media (max-width: 560px) {
    .post-chart {
        padding: 1rem 0.7rem 0.4rem;
    }
}