/* ==========================================================================
   Blog "Análisis y Opinión", artículo individual y páginas interiores
   Se carga después de style.css y reutiliza sus variables.

   01. Encabezado del blog
   02. Filtros y búsqueda
   03. Listado de publicaciones
   04. Llamado a la acción del blog
   05. Artículo individual
   06. Tipografía del contenido (prose)
   07. Relacionados
   08. Aviso de privacidad
   09. Página 404
   ========================================================================== */


/* ==========================================================================
   01. Encabezado del blog
   ========================================================================== */

.blog-masthead {
    padding-top: calc(var(--header-h-scrolled) + clamp(2.5rem, 2rem + 3vw, 4.5rem));
    padding-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem);
    background: var(--color-ivory);
    text-align: center;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-muted);
    font-size: var(--fs-micro);
}

.breadcrumb a {
    color: var(--color-navy);
    text-decoration: underline;
    text-decoration-color: var(--line-gold);
    text-underline-offset: 0.25em;
}

.breadcrumb a:hover {
    text-decoration-color: var(--color-navy);
}

.masthead-rule {
    height: 4px;
    margin-top: 2rem;
    border-top: 3px solid var(--color-navy);
    border-bottom: 1px solid var(--color-navy);
    box-sizing: content-box;
}

.masthead-kicker {
    margin-top: 1.75rem;
    color: var(--color-gold-deep);
    font-family: var(--font-heading);
    font-style: italic;
    font-size: var(--fs-small);
}

.masthead-title {
    margin-top: 0.5rem;
    font-family: var(--font-heading);
    font-size: clamp(2.75rem, 1.6rem + 5.5vw, 6.25rem);
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: -0.025em;
    color: var(--color-navy);
}

.masthead-sub {
    max-width: 36rem;
    margin: 1.25rem auto 0;
    color: var(--color-muted);
    font-size: var(--fs-lead);
}


/* ==========================================================================
   02. Filtros y búsqueda
   ========================================================================== */

.blog-body {
    padding-bottom: var(--section-space);
    background: var(--color-ivory);
}

.blog-toolbar {
    display: grid;
    gap: 1.25rem;
    padding-block: 1.25rem;
    border-top: 1px solid var(--color-navy);
    border-bottom: 1px solid var(--line);
}

.filter-chips {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
    display: none;
}

.chip {
    flex-shrink: 0;
    min-height: 40px;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--color-navy);
    font-size: var(--fs-micro);
    font-weight: 500;
    white-space: nowrap;
    transition:
        background-color var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-out),
        color var(--dur-fast) var(--ease-out);
}

.chip:hover {
    border-color: var(--color-gold);
}

.chip.is-active {
    background: var(--color-navy);
    border-color: var(--color-navy);
    color: var(--color-on-dark);
}

.chip-count {
    margin-left: 0.375rem;
    opacity: 0.6;
}

.blog-search {
    position: relative;
    display: flex;
    align-items: center;
}

.blog-search .icon {
    position: absolute;
    left: 0.875rem;
    width: 1.125rem;
    height: 1.125rem;
    color: var(--color-muted);
    pointer-events: none;
}

.blog-search input {
    width: 100%;
    min-height: 44px;
    padding: 0.625rem 1rem 0.625rem 2.625rem;
    background: var(--color-white);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-size: 0.9375rem;
    color: var(--color-ink);
}

.blog-search input:focus {
    outline: none;
    border-color: var(--color-navy);
    box-shadow: 0 0 0 3px rgba(180, 154, 98, 0.3);
}

@media (min-width: 900px) {
    .blog-toolbar {
        grid-template-columns: minmax(0, 1fr) 18rem;
        align-items: center;
    }
}

.blog-count {
    margin-top: 1.5rem;
    color: var(--color-muted);
    font-size: var(--fs-micro);
}


/* ==========================================================================
   03. Listado de publicaciones
   ========================================================================== */

.blog-feed {
    display: grid;
    gap: clamp(2.5rem, 2rem + 2vw, 3.5rem);
    margin-top: 1.5rem;
}

/* La primera publicación se destaca a todo lo ancho */
.post-card.is-featured .post-card-link {
    display: grid;
    gap: 1.5rem;
}

.post-card.is-featured .post-card-title {
    font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
    line-height: 1.12;
}

.post-card.is-featured .post-card-excerpt {
    font-size: var(--fs-lead);
    max-width: 34rem;
}

@media (min-width: 900px) {
    .post-card.is-featured .post-card-link {
        grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
        align-items: center;
        gap: clamp(2rem, 1rem + 3vw, 4rem);
    }

    .post-card.is-featured .post-card-media {
        aspect-ratio: 16 / 10;
    }

    .post-card.is-featured .post-card-body {
        padding-top: 0;
    }
}

.blog-feed .post-grid {
    margin-top: 0.5rem;
}

.feed-skeleton {
    display: grid;
    gap: 2rem;
}

.feed-skeleton span {
    display: block;
    height: 9rem;
    background: linear-gradient(90deg, rgba(14, 26, 43, 0.05), rgba(14, 26, 43, 0.09), rgba(14, 26, 43, 0.05));
    background-size: 200% 100%;
    animation: skeleton 1.6s linear infinite;
}

@keyframes skeleton {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

.blog-empty {
    padding: 3rem 0;
    border-top: 1px solid var(--line);
    color: var(--color-muted);
    text-align: center;
}

.blog-empty strong {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-navy);
}

.blog-more {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}


/* ==========================================================================
   04. Llamado a la acción del blog
   ========================================================================== */

.blog-cta {
    --focus: var(--color-gold-light);
    padding-block: clamp(3.5rem, 2.5rem + 4vw, 5.5rem);
    background: var(--color-navy);
    color: var(--color-on-dark);
}

.blog-cta-inner {
    display: grid;
    gap: 1.75rem;
    align-items: center;
}

.blog-cta-title {
    max-width: 30ch;
    font-family: var(--font-heading);
    font-size: clamp(1.625rem, 1.3rem + 1.4vw, 2.5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--color-white);
}

.blog-cta .btn {
    justify-self: start;
}

@media (min-width: 900px) {
    .blog-cta-inner {
        grid-template-columns: 1fr auto;
    }
}


/* ==========================================================================
   05. Artículo individual
   ========================================================================== */

.reading-progress {
    position: fixed;
    inset: var(--header-h-scrolled) 0 auto;
    z-index: 95;
    height: 2px;
    pointer-events: none;
}

.reading-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
}

.article {
    background: var(--color-ivory);
}

.article-header {
    padding-top: calc(var(--header-h-scrolled) + clamp(2.5rem, 2rem + 3vw, 4.5rem));
    padding-bottom: clamp(2rem, 1.5rem + 2vw, 3rem);
    text-align: center;
}

.article-header-inner {
    max-width: 52rem;
}

.article-category {
    margin-top: 2rem;
    color: var(--color-gold-deep);
    font-size: var(--fs-eyebrow);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.article-title {
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-size: clamp(2.125rem, 1.5rem + 3vw, 3.75rem);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--color-navy);
    text-wrap: balance;
}

.article-dek {
    max-width: 40rem;
    margin: 1.25rem auto 0;
    color: var(--color-muted);
    font-size: var(--fs-lead);
    line-height: 1.6;
    text-wrap: pretty;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
    color: var(--color-muted);
    font-size: var(--fs-micro);
}

.article-author {
    color: var(--color-navy);
    font-weight: 600;
}

.article-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    max-height: 36rem;
    margin-inline: auto;
    overflow: hidden;
    background: var(--color-navy);
}

.article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-layout {
    display: grid;
    gap: 2rem;
    max-width: 58rem;
    margin: clamp(2.5rem, 2rem + 2vw, 4rem) auto 0;
}

.article-aside {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.aside-label {
    margin-right: 0.25rem;
    color: var(--color-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--color-navy);
    transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.share-button .icon {
    width: 1.125rem;
    height: 1.125rem;
    fill: currentColor;
}

.share-button:hover {
    border-color: var(--color-gold);
    color: var(--color-gold-deep);
}

.copy-feedback {
    color: var(--color-gold-deep);
    font-size: var(--fs-micro);
}

@media (min-width: 1024px) {
    .article-layout {
        grid-template-columns: 7rem minmax(0, 1fr);
        gap: 3rem;
    }

    .article-aside {
        position: sticky;
        top: calc(var(--header-h-scrolled) + 2rem);
        flex-direction: column;
        align-items: flex-start;
        align-self: start;
    }
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.article-tags li {
    padding: 0.375rem 0.875rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--color-muted);
    font-size: var(--fs-micro);
}

.article-cta {
    --focus: var(--color-gold-light);
    display: grid;
    gap: 1.75rem;
    max-width: 58rem;
    margin: clamp(3rem, 2.5rem + 2vw, 4.5rem) auto 0;
    padding: clamp(2rem, 1.5rem + 2vw, 3rem);
    background: var(--color-navy);
    border-top: 2px solid var(--color-gold);
    color: var(--color-on-dark);
}

.article-cta-kicker {
    color: var(--color-gold-light);
    font-size: var(--fs-eyebrow);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.article-cta-title {
    margin-top: 0.75rem;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-white);
}

.article-cta-text {
    margin-top: 0.75rem;
    color: var(--color-on-dark-muted);
    font-size: var(--fs-small);
}

.article-cta .btn {
    justify-self: start;
}

@media (min-width: 900px) {
    .article-cta {
        grid-template-columns: 1fr auto;
        align-items: center;
    }
}

.article-disclaimer {
    max-width: 58rem;
    margin: 1.5rem auto 0;
    padding-bottom: var(--section-space);
    color: var(--color-muted);
    font-size: var(--fs-micro);
}


/* ==========================================================================
   06. Tipografía del contenido (prose)
   ========================================================================== */

.prose {
    max-width: 42rem;
    color: var(--color-ink);
    font-size: 1.125rem;
    line-height: 1.75;
}

.prose > * + * {
    margin-top: 1.25em;
}

.prose > p:first-child::first-letter {
    float: left;
    margin: 0.06em 0.12em 0 0;
    font-family: var(--font-heading);
    font-size: 3.6em;
    line-height: 0.8;
    color: var(--color-navy);
}

.prose h2 {
    margin-top: 2.25em;
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 1.3rem + 0.8vw, 1.875rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-navy);
}

.prose h3 {
    margin-top: 2em;
    font-family: var(--font-heading);
    font-size: 1.3125rem;
    font-weight: 400;
    color: var(--color-navy);
}

.prose h4 {
    margin-top: 1.75em;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
}

.prose ul,
.prose ol {
    padding-left: 1.25rem;
}

.prose ul {
    list-style: none;
    padding-left: 0;
}

.prose ul li {
    position: relative;
    padding-left: 1.5rem;
}

.prose ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 0.75rem;
    height: 1px;
    background: var(--color-gold);
}

.prose ol {
    list-style: decimal;
}

.prose ol li::marker {
    color: var(--color-gold-deep);
    font-family: var(--font-heading);
}

.prose li + li {
    margin-top: 0.5em;
}

.prose a {
    color: var(--color-navy);
    text-decoration: underline;
    text-decoration-color: var(--color-gold);
    text-underline-offset: 0.2em;
}

.prose a:hover {
    text-decoration-thickness: 2px;
}

.prose strong {
    font-weight: 600;
    color: var(--color-navy);
}

.prose blockquote {
    margin-block: 2em;
    padding: 0.25rem 0 0.25rem 1.5rem;
    border-left: 2px solid var(--color-gold);
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--color-navy);
}

.prose hr {
    width: 4rem;
    height: 1px;
    margin: 2.5em auto;
    border: 0;
    background: var(--color-gold);
}

.prose p:last-child em:only-child {
    display: block;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
    color: var(--color-muted);
    font-size: var(--fs-small);
}


/* ==========================================================================
   07. Relacionados
   ========================================================================== */

.related {
    padding-block: var(--section-space);
    background: var(--color-cream);
}

.related-title {
    margin-bottom: 2rem;
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
    font-weight: 400;
    color: var(--color-navy);
}


/* ==========================================================================
   08. Aviso de privacidad
   ========================================================================== */

.legal-layout {
    display: grid;
    gap: 2.5rem;
    max-width: 62rem;
    margin: 1rem auto 0;
    padding-bottom: var(--section-space);
}

.legal-index ol {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.75rem;
    padding-left: 1.25rem;
    list-style: decimal;
    color: var(--color-muted);
    font-size: var(--fs-small);
}

.legal-index a {
    display: inline-block;
    padding-block: 0.25rem;
    color: var(--color-navy);
}

.legal-index a:hover {
    color: var(--color-gold-deep);
}

.legal-content h2 {
    scroll-margin-top: calc(var(--header-h-scrolled) + 1.5rem);
}

.legal-content h2:first-child {
    margin-top: 0;
}

@media (min-width: 1024px) {
    .legal-layout {
        grid-template-columns: 14rem minmax(0, 1fr);
        gap: 4rem;
    }

    .legal-index {
        position: sticky;
        top: calc(var(--header-h-scrolled) + 2rem);
        align-self: start;
    }
}


/* ==========================================================================
   09. Página 404
   ========================================================================== */

.not-found {
    display: flex;
    align-items: center;
    min-height: 80vh;
    padding-top: var(--header-h-scrolled);
    background: var(--color-ivory);
}

.not-found-inner {
    display: grid;
    gap: 2rem;
    align-items: center;
    padding-block: 4rem;
}

.not-found-code {
    font-family: var(--font-heading);
    font-size: clamp(6rem, 4rem + 10vw, 12rem);
    line-height: 0.8;
    color: transparent;
    -webkit-text-stroke: 1px var(--color-gold);
}

.not-found-title {
    max-width: 22ch;
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--color-navy);
}

.not-found-text {
    max-width: 34rem;
    margin-top: 1rem;
    color: var(--color-muted);
}

.not-found-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 2rem;
    margin-top: 2rem;
}

@media (min-width: 900px) {
    .not-found-inner {
        grid-template-columns: auto 1fr;
        gap: 4rem;
    }
}

/* Documentos adjuntos del artículo */
.article-docs {
    margin-top: 3rem;
    padding: 1.75rem;
    background: var(--color-cream);
    border: 1px solid var(--line);
    border-top: 2px solid var(--color-gold);
}

.prose .article-docs-title,
.article-docs-title {
    margin: 0 0 1.25rem;
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--color-navy);
}

.article-docs-list {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.prose .article-docs-list li {
    margin: 0;
    padding: 0;
}

.prose .article-docs-list li::before {
    content: none;
}

.prose a.doc-link,
.doc-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--line);
    color: var(--color-ink);
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.doc-link:hover {
    border-color: var(--color-gold);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px -18px rgba(14, 26, 43, 0.5);
}

.doc-badge {
    flex: none;
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3.5rem;
    background: var(--color-navy);
    color: var(--color-gold-light);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    clip-path: polygon(0 0, 72% 0, 100% 22%, 100% 100%, 0 100%);
}

.doc-pdf { background: #7A2E2E; color: #F7E9E2; }
.doc-doc, .doc-docx, .doc-pages { background: #1F3F6E; color: #E4ECF7; }
.doc-ppt, .doc-pptx, .doc-pps, .doc-ppsx, .doc-key { background: #8A4F1E; color: #F8EBDD; }

.doc-info {
    display: grid;
    gap: 0.2rem;
    min-width: 0;
    flex: 1;
}

.doc-name {
    line-height: 1.35;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.doc-meta {
    color: var(--color-muted);
    font-size: var(--fs-micro);
}

.doc-icon {
    flex: none;
    width: 1.375rem;
    height: 1.375rem;
    fill: none;
    stroke: var(--color-gold-deep);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}