/* Blog (blog.php / blog-post.php). Usa los tokens de style.css.
 *
 * Tipografia de lectura: ademas de este CSS, BlogHelper::prepareForDisplay()
 * evita palabras huerfanas en el servidor (para navegadores que aun no
 * soportan text-wrap: pretty) y pone comillas y espacios tipograficos.
 */

:root {
    --blog-ink: #1f2937;       /* titulos */
    --blog-text: #333b47;      /* cuerpo */
    --blog-muted: #5b6472;     /* textos secundarios */
    --blog-faint: #8a93a0;     /* metadatos */
    --blog-line: #e8ecf1;
    --blog-soft: #f6f8fb;
    --blog-measure: 720px;     /* ~65-75 caracteres por linea */
    --blog-heading-font: 'Outfit', 'Poppins', sans-serif;
}

.blog-page {
    background: #fff;
    padding-bottom: 80px;
}

.blog-page ::selection {
    background: rgba(47, 130, 195, 0.18);
}

/* Titulos equilibrados y parrafos sin huerfanas donde el navegador lo soporte */
.blog-page h1,
.blog-page h2,
.blog-page h3,
.blog-dek {
    text-wrap: balance;
    /* Red de seguridad: una palabra mas ancha que la pantalla se corta en
       vez de desbordar la pagina */
    overflow-wrap: break-word;
}

.blog-page p,
.blog-page li,
.blog-page blockquote {
    text-wrap: pretty;
}

/* ---------- Barra de progreso de lectura ---------- */
.blog-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1100;
    pointer-events: none;
}

.blog-progress span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #5aa6de);
    transform: scaleX(0);
    transform-origin: 0 50%;
}

/* ---------- Hero del listado ---------- */
.blog-hero {
    padding: 64px 0 52px;
    text-align: center;
    background:
        radial-gradient(circle at 0% 0%, rgba(47, 130, 195, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(237, 50, 55, 0.08) 0%, transparent 40%),
        #f8fafc;
}

.blog-hero h1 {
    font-family: var(--blog-heading-font);
    font-size: clamp(2rem, 4vw, 2.8rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--blog-ink);
    margin: 14px auto 12px;
    max-width: 720px;
}

.blog-hero p {
    max-width: 580px;
    margin: 0 auto;
    color: var(--blog-muted);
    line-height: 1.7;
}

.blog-list-section {
    padding-top: 48px;
}

/* ---------- Tarjetas ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.blog-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--blog-line);
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.blog-card:hover {
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    transform: translateY(-2px);
}

.blog-card-media {
    display: block;
    text-decoration: none;
    aspect-ratio: 16 / 9;
    background: #f1f5f9;
    overflow: hidden;
}

.blog-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-media img {
    transform: scale(1.03);
}

.blog-card-placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: rgba(47, 130, 195, 0.35);
}

.blog-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.blog-card h2,
.blog-card h3 {
    font-family: var(--blog-heading-font);
    font-size: 1.2rem;
    line-height: 1.3;
    margin: 0;
}

.blog-card h2 a,
.blog-card h3 a {
    color: var(--blog-ink);
    text-decoration: none;
}

/* Toda la tarjeta es clicable, sin repetir el enlace para lectores de pantalla */
.blog-card h2 a::after,
.blog-card h3 a::after {
    content: "";
    position: absolute;
    inset: 0;
}

.blog-card:hover h2 a,
.blog-card:hover h3 a {
    color: var(--primary-color);
}

.blog-card p {
    color: var(--blog-muted);
    font-size: 0.93rem;
    line-height: 1.65;
    margin: 0;
    /* Extractos del mismo alto: las tarjetas quedan alineadas */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-read-more {
    margin-top: auto;
    padding-top: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
    text-decoration: none;
}

.blog-read-more i {
    font-size: 0.75rem;
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.blog-card:hover .blog-read-more i {
    transform: translateX(3px);
}

/* La entrada mas reciente ocupa todo el ancho en la primera pagina */
.blog-card--featured {
    grid-column: 1 / -1;
    flex-direction: row;
}

.blog-card--featured .blog-card-media {
    flex: 0 0 55%;
    aspect-ratio: auto;
    min-height: 340px;
}

.blog-card--featured .blog-card-body {
    padding: 40px;
    justify-content: center;
    gap: 14px;
}

.blog-card--featured h2 {
    font-size: 1.85rem;
    line-height: 1.2;
}

.blog-card--featured p {
    font-size: 1rem;
    -webkit-line-clamp: 4;
}

.blog-card--featured .blog-read-more {
    margin-top: 6px;
}

/* Metadatos con iconos en vez de separadores "·": si la linea se corta
   no queda un punto colgando al final */
.blog-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 16px;
    font-size: 0.82rem;
    color: var(--blog-faint);
}

.blog-meta > * {
    white-space: nowrap;
}

.blog-meta i {
    margin-right: 5px;
    opacity: 0.8;
}

/* ---------- Paginacion / vacio ---------- */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
    color: var(--blog-muted);
    font-size: 0.9rem;
}

.blog-pagination a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid rgba(47, 130, 195, 0.3);
    border-radius: 999px;
}

.blog-pagination a:hover {
    background: rgba(47, 130, 195, 0.08);
}

.blog-empty {
    text-align: center;
    padding: 64px 20px;
    color: var(--blog-muted);
}

.blog-empty > i {
    font-size: 2.6rem;
    color: rgba(47, 130, 195, 0.4);
    margin-bottom: 16px;
}

.blog-empty h1,
.blog-empty h2 {
    color: var(--blog-ink);
    margin-bottom: 8px;
}

.blog-empty .home-btn {
    margin-top: 20px;
}

/* ---------- Articulo: cabecera ---------- */
/* Cabecera centrada y a todo el ancho del contenedor: asi el titulo cabe en
   una sola linea en computadora (ver fitBlogTitle en blog-post.php) */
.blog-article-header {
    padding-top: 48px;
    padding-bottom: 36px;
    text-align: center;
}

.blog-breadcrumb {
    font-size: 0.82rem;
    color: var(--blog-faint);
    margin-bottom: 22px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.blog-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.blog-breadcrumb i {
    font-size: 0.6rem;
}

.blog-breadcrumb span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 420px;
}

.blog-article-header h1 {
    font-family: var(--blog-heading-font);
    font-size: 3rem; /* tamano maximo; el script lo reduce para que quepa */
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--blog-ink);
    margin-bottom: 18px;
}

/* Ya ajustado en una linea: no hace falta el reparto de lineas */
.blog-article-header h1.is-one-line {
    white-space: nowrap;
    text-wrap: nowrap;
}

/* Bajada: el resumen, justo debajo del titulo */
.blog-dek {
    max-width: var(--blog-measure);
    margin: 0 auto 22px;
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--blog-muted);
}

.blog-article-header .blog-meta {
    max-width: var(--blog-measure);
    margin: 0 auto;
    justify-content: center;
    padding-top: 16px;
    border-top: 1px solid var(--blog-line);
}

.blog-cover {
    margin: 0 auto 48px;
}

.blog-cover img {
    width: 100%;
    height: auto;
    max-height: 560px;
    object-fit: cover;
    border-radius: 18px;
    display: block;
}

/* ---------- Indice de contenidos ---------- */
.blog-toc {
    max-width: var(--blog-measure);
    margin: 0 auto 44px;
    background: var(--blog-soft);
    border: 1px solid var(--blog-line);
    border-radius: 14px;
    padding: 18px 24px;
    box-sizing: border-box;
    width: calc(100% - 40px);
}

.blog-toc summary {
    cursor: pointer;
    font-family: var(--blog-heading-font);
    font-weight: 600;
    font-size: 1rem;
    color: var(--blog-ink);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-toc summary::-webkit-details-marker {
    display: none;
}

.blog-toc summary::after {
    content: "\f078"; /* chevron-down de Font Awesome */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--blog-faint);
    transition: transform 0.2s ease;
}

.blog-toc[open] summary::after {
    transform: rotate(180deg);
}

.blog-toc ol {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
    counter-reset: toc;
}

.blog-toc li {
    margin: 0;
    line-height: 1.45;
}

.blog-toc li + li {
    margin-top: 8px;
}

.blog-toc-l2 {
    counter-increment: toc;
}

.blog-toc-l2::before {
    content: counter(toc) ".";
    display: inline-block;
    min-width: 1.6em;
    font-weight: 600;
    color: var(--primary-color);
}

.blog-toc-l3 {
    padding-left: 1.6em;
    font-size: 0.92rem;
}

/* Subapartado: marca propia para que no parezca continuacion del punto anterior */
.blog-toc-l3::before {
    content: "–";
    display: inline-block;
    min-width: 1.1em;
    color: var(--blog-faint);
}

.blog-toc a {
    color: var(--blog-text);
    text-decoration: none;
}

.blog-toc a:hover {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ---------- Articulo: cuerpo ---------- */
.blog-content {
    max-width: calc(var(--blog-measure) + 40px);
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--blog-text);
    overflow-wrap: break-word;
    font-feature-settings: "kern", "liga";
}

/* Ritmo vertical: un solo valor de separacion entre bloques */
.blog-content > * {
    margin: 0;
}

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

/* Primer parrafo como entrada, un poco mas grande */
.blog-content > p:first-child {
    font-size: 1.22rem;
    line-height: 1.7;
    color: var(--blog-ink);
}

.blog-content strong,
.blog-content b {
    font-weight: 600;
    color: var(--blog-ink);
}

/* Subtitulos: mas aire arriba que abajo, para que "pertenezcan" a su texto */
.blog-content h2,
.blog-content h3,
.blog-content h4 {
    font-family: var(--blog-heading-font);
    color: var(--blog-ink);
    line-height: 1.25;
    letter-spacing: -0.01em;
    scroll-margin-top: 100px; /* header sticky */
}

.blog-content > h2 {
    font-size: 1.75rem;
    margin-top: 2.2em;
}

.blog-content > h2::before {
    content: "";
    display: block;
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary-color);
    margin-bottom: 14px;
}

.blog-content > h3 {
    font-size: 1.35rem;
    margin-top: 1.8em;
}

.blog-content > h4 {
    font-size: 1.12rem;
    margin-top: 1.6em;
}

.blog-content > :is(h2, h3, h4) + * {
    margin-top: 0.6em;
}

.blog-content > :first-child {
    margin-top: 0;
}

.blog-content > h2:first-child::before {
    display: none;
}

.blog-content a {
    color: var(--primary-color);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    text-decoration-color: rgba(47, 130, 195, 0.45);
    transition: text-decoration-color 0.2s ease;
}

.blog-content a:hover {
    text-decoration-color: currentColor;
}

/* Listas: marcadores en el color de marca y aire entre items */
.blog-content ul,
.blog-content ol {
    padding-left: 1.5em;
}

.blog-content li {
    padding-left: 0.3em;
}

.blog-content li + li {
    margin-top: 0.55em;
}

.blog-content ul > li::marker {
    color: var(--primary-color);
}

.blog-content ol > li::marker {
    color: var(--primary-color);
    font-weight: 600;
}

/* Imagenes: un poco mas de aire que el texto */
.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
}

.blog-content > p:has(> img:only-child) {
    margin-top: 2em;
    margin-bottom: 2em;
}

.blog-content blockquote {
    position: relative;
    margin-top: 2em;
    margin-bottom: 2em;
    padding: 6px 0 6px 28px;
    border-left: 3px solid var(--primary-color);
    font-family: var(--blog-heading-font);
    font-size: 1.3rem;
    line-height: 1.55;
    color: var(--blog-ink);
}

.blog-content blockquote p + p {
    margin-top: 0.8em;
}

.blog-content pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 16px 18px;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
}

.blog-content code {
    font-size: 0.9em;
}

.blog-content hr {
    border: 0;
    margin: 2.6em 0;
    text-align: center;
    height: auto;
}

.blog-content hr::after {
    content: "· · ·";
    letter-spacing: 0.6em;
    color: var(--blog-faint);
    font-size: 1.2rem;
}

.blog-content iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
    border-radius: 12px;
    margin-top: 2em;
    margin-bottom: 2em;
}

.blog-content .ql-align-center { text-align: center; }
.blog-content .ql-align-right { text-align: right; }
/* Justificado deja "rios" de espacio en columnas angostas: se muestra alineado a la izquierda */
.blog-content .ql-align-justify { text-align: left; }
.blog-content .ql-indent-1 { padding-left: 2em; }
.blog-content .ql-indent-2 { padding-left: 4em; }

/* ---------- CTA y compartir ---------- */
.blog-cta {
    max-width: var(--blog-measure);
    width: calc(100% - 40px);
    box-sizing: border-box;
    margin: 56px auto 0;
    padding: 28px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(47, 130, 195, 0.1), rgba(237, 50, 55, 0.06));
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}

.blog-cta h2 {
    font-family: var(--blog-heading-font);
    font-size: 1.3rem;
    color: var(--blog-ink);
    margin-bottom: 4px;
}

.blog-cta p {
    color: var(--blog-muted);
    margin: 0;
    font-size: 0.93rem;
}

.blog-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.blog-share {
    max-width: calc(var(--blog-measure) + 40px);
    box-sizing: border-box;
    margin: 28px auto 0;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--blog-muted);
    font-size: 0.9rem;
}

.blog-share a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: var(--blog-ink);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.blog-share a:hover {
    background: var(--primary-color);
    color: #fff;
}

.blog-related {
    margin-top: 72px;
    padding-top: 48px;
    border-top: 1px solid var(--blog-line);
}

.blog-related > h2 {
    font-family: var(--blog-heading-font);
    font-size: 1.6rem;
    color: var(--blog-ink);
    margin-bottom: 24px;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .blog-card--featured {
        flex-direction: column;
    }

    .blog-card--featured .blog-card-media {
        flex: none;
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .blog-card--featured .blog-card-body {
        padding: 22px;
    }

    .blog-card--featured h2 {
        font-size: 1.45rem;
    }
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-hero {
        padding: 44px 0 36px;
    }

    /* En celular el titulo va en varias lineas: alineado a la izquierda se lee mejor */
    .blog-article-header {
        padding-top: 28px;
        text-align: left;
    }

    .blog-breadcrumb,
    .blog-article-header .blog-meta {
        justify-content: flex-start;
    }

    .blog-breadcrumb span {
        max-width: 100%;
    }

    .blog-article-header h1 {
        font-size: 2rem;
    }

    .blog-dek {
        font-size: 1.08rem;
    }

    .blog-cover {
        margin-bottom: 32px;
    }

    .blog-cover img {
        border-radius: 12px;
    }

    .blog-toc {
        width: calc(100% - 32px);
        padding: 16px 18px;
        margin-bottom: 32px;
    }

    .blog-content {
        padding: 0 16px;
        font-size: 1.0625rem;
        line-height: 1.75;
    }

    .blog-content > p:first-child {
        font-size: 1.125rem;
    }

    .blog-content > h2 {
        font-size: 1.45rem;
    }

    .blog-content > h3 {
        font-size: 1.2rem;
    }

    .blog-content blockquote {
        font-size: 1.15rem;
        padding-left: 20px;
    }

    .blog-cta {
        width: calc(100% - 32px);
        padding: 22px;
    }

    .blog-cta-actions,
    .blog-cta-actions .home-btn {
        width: 100%;
    }

    .blog-share {
        padding: 0 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .blog-card,
    .blog-card-media img,
    .blog-read-more i,
    .blog-toc summary::after {
        transition: none;
    }

    .blog-card:hover,
    .blog-card:hover .blog-card-media img {
        transform: none;
    }
}