/* ════════════════════════════════════════════════════════════════
   NEWCONCRET — blog.css
   Listado de artículos + página de artículo. Tema oscuro del sitio.
   ════════════════════════════════════════════════════════════════ */

.blog-body { background: var(--nc-black); }

/* ── reveal (defecto visible; sólo desplaza un poco) ── */
.blog-body .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .7s var(--expo), transform .7s var(--expo);
    transition-delay: var(--d, 0ms);
}
.blog-body .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .blog-body .reveal { opacity: 1; transform: none; transition: none; }
}

/* ════ LISTADO — HERO (imita .hero de Capacitaciones / Nosotros) ════ */
.blog-hero {
    position: relative;
    min-height: 72vh;
    display: flex;
    align-items: flex-end;
    padding: 0 4rem 4.5rem;
    overflow: hidden;
    margin-top: 66px;
}
.blog-hero-bg { position: absolute; inset: 0; }
.blog-hero-bg img,
.blog-hero-bg picture { width: 100%; height: 100%; display: block; }
.blog-hero-bg img {
    object-fit: cover;
    filter: brightness(.42) saturate(.55);
}
.blog-hero-ov {
    position: absolute; inset: 0;
    background:
        linear-gradient(to right, rgba(10,10,10,.92) 0%, rgba(10,10,10,.55) 55%, rgba(10,10,10,.12) 100%),
        linear-gradient(to top, rgba(10,10,10,.95) 0%, transparent 55%);
}
.blog-hero-inner { position: relative; z-index: 2; max-width: 760px; }
.blog-hero-h1 {
    font-family: var(--font-d);
    font-weight: 900;
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: .93;
    letter-spacing: -.01em;
    text-transform: uppercase;
    margin-top: 1.3rem;
    color: var(--nc-white);
}
.blog-hero-h1 .red { color: var(--nc-red-hot); }
.blog-hero-p {
    margin-top: 1.25rem;
    max-width: 50ch;
    font-family: var(--font-m);
    color: var(--nc-light);
    font-size: 1rem;
    line-height: 1.65;
}

/* ════ LISTADO — BUSCADOR ════ */
.blog-toolbar {
    max-width: 1280px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}
.blog-search {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 260px;
    max-width: 520px;
    background: var(--nc-dark);
    border: 1px solid var(--nc-steel);
    transition: border-color .25s var(--expo);
}
.blog-search:focus-within { border-color: var(--nc-red); }
.blog-search-ic { color: var(--nc-ash); margin-left: 1rem; flex-shrink: 0; }
.blog-search input {
    flex: 1;
    width: 100%;
    background: none;
    border: none;
    outline: none;
    color: var(--nc-white);
    font-family: var(--font-b);
    font-size: .95rem;
    padding: .95rem .9rem;
}
.blog-search input::placeholder { color: var(--nc-ash); }
.blog-search-x {
    background: none;
    border: none;
    color: var(--nc-ash);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 1rem;
    transition: color .2s;
}
.blog-search-x:hover { color: var(--nc-red-hot); }
.blog-count {
    font-family: var(--font-m);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--nc-ash);
}
.blog-noresults {
    max-width: 1280px;
    margin: 0 auto;
    padding: 4rem 0;
    text-align: center;
    color: var(--nc-light);
}
.blog-noresults span { color: var(--nc-white); }

/* ════ LISTADO — GRID ════ */
.blog-list { background: var(--nc-black); }
.blog-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.6rem;
}
.blog-grid--2 { grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--nc-dark);
    border: 1px solid var(--nc-steel);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: border-color .35s var(--expo), transform .35s var(--expo);
}
.blog-card:hover { border-color: var(--nc-red); transform: translateY(-4px); }

.blog-card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--nc-carbon);
}
.blog-card-media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s var(--expo);
}
.blog-card:hover .blog-card-media img { transform: scale(1.05); }

.blog-chip {
    position: absolute;
    top: .85rem; left: .85rem;
    background: var(--nc-red);
    color: #fff;
    font-family: var(--font-m);
    font-size: .62rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    padding: .35rem .65rem;
    clip-path: polygon(0 0, 100% 0, 100% 70%, 88% 100%, 0 100%);
}

.blog-card-body {
    padding: 1.4rem 1.5rem 1.6rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.blog-card-date {
    font-family: var(--font-m);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--nc-ash);
}
.blog-card-title {
    font-family: var(--font-d);
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.08;
    letter-spacing: -.01em;
    text-transform: uppercase;
    margin: .55rem 0 .6rem;
    color: var(--nc-white);
    text-wrap: balance;
}
.blog-card-excerpt {
    font-family: var(--font-m);
    color: var(--nc-light);
    font-size: .9rem;
    line-height: 1.55;
    margin-bottom: 1.2rem;
}
.blog-card-more {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--font-m);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--nc-red-hot);
}
.blog-card-more svg { transition: transform .3s var(--expo); }
.blog-card:hover .blog-card-more svg { transform: translateX(4px); }

.blog-empty {
    max-width: 1280px;
    margin: 0 auto;
    padding: 5rem 0;
    text-align: center;
    color: var(--nc-ash);
}

/* ════ ARTÍCULO — HERO ════ */
.art-hero {
    position: relative;
    min-height: 64vh;
    display: flex;
    align-items: flex-end;
    padding: 9rem 4rem 2.25rem;
    background-image: var(--cover);
    background-size: cover;
    background-position: center;
}
.art-hero-ov {
    position: absolute; inset: 0;
    /* Banda oscura inferior + izquierda para separar el título de la foto */
    background:
        linear-gradient(to top, var(--nc-black) 0%, rgba(10,10,10,.9) 28%, rgba(10,10,10,.5) 58%, rgba(10,10,10,.28) 100%),
        linear-gradient(to right, rgba(10,10,10,.8) 0%, rgba(10,10,10,.4) 55%, rgba(10,10,10,.1) 100%);
}
.art-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1120px;
    width: 100%;
    margin: 0 auto;
}
.art-back {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--font-m);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--nc-light);
    text-decoration: none;
    margin-bottom: 1.4rem;
    transition: color .25s;
}
.art-back:hover { color: var(--nc-red-hot); }
.art-hero-chip { position: static; display: inline-block; margin-bottom: 1rem; }
.art-title {
    font-family: var(--font-d);
    font-weight: 700;
    font-size: clamp(2.3rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -.02em;
    text-transform: uppercase;
    color: var(--nc-white);
    text-wrap: balance;
}
.art-meta {
    margin-top: 1.2rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    font-family: var(--font-m);
    font-size: .8rem;
    letter-spacing: .04em;
    color: var(--nc-light);
}
.art-author { color: var(--nc-white); font-weight: 600; }
.art-dot { color: var(--nc-ash); }

/* ════ ARTÍCULO — CUERPO ════ */
.art-body {
    max-width: 1120px;
    margin: 0 auto;
    padding: 2.25rem 1.5rem 5rem;
    /* Texto del artículo en la familia DIN Pro, como el resto del sitio */
    font-family: var(--font-m);
    font-size: 1.02rem;
    line-height: 1.72;
    color: var(--nc-light);
}
.art-body > * + * { margin-top: 1.5rem; }
.art-body p { color: var(--nc-light); }
.art-body strong { color: var(--nc-white); font-weight: 600; }
.art-body a { color: var(--nc-red-hot); text-decoration: underline; text-underline-offset: 3px; }

.art-body h2 {
    font-family: var(--font-d);
    font-weight: 700;
    font-size: 2rem;
    line-height: 1.1;
    letter-spacing: -.01em;
    text-transform: uppercase;
    color: var(--nc-white);
    margin-top: 3rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--nc-steel);
}
.art-body h3 {
    font-family: var(--font-d);
    font-weight: 600;
    font-size: 1.45rem;
    text-transform: uppercase;
    color: var(--nc-white);
    margin-top: 2.4rem;
}
.art-body ul, .art-body ol { padding-left: 1.3rem; }
.art-body li { margin-top: .55rem; }
.art-body li::marker { color: var(--nc-red-hot); }

/* Sin borde: la mayoría de las fotos ya vienen sobre fondo oscuro y el marco
   las recortaba en una caja en lugar de dejarlas integrarse con la página. */
.art-body img {
    width: 100%;
    max-width: 620px;
    height: auto;
    display: block;
    margin: 2.5rem auto;
}
.art-body blockquote {
    margin: 2.5rem 0;
    padding: 1.4rem 1.8rem;
    background: var(--nc-dark);
    border-left: 3px solid var(--nc-red);
    font-family: var(--font-d);
    font-size: 1.4rem;
    line-height: 1.4;
    color: var(--nc-white);
    text-transform: none;
}
.art-body blockquote p { color: var(--nc-white); margin: 0; }
.art-body code {
    font-family: var(--font-m);
    background: var(--nc-carbon);
    padding: .15em .4em;
    font-size: .9em;
    color: var(--nc-white);
}
.art-body hr { border: none; border-top: 1px solid var(--nc-steel); margin: 3rem 0; }

.art-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-top: 3rem !important;
    padding-top: 2rem;
    border-top: 1px solid var(--nc-steel);
}
.art-tag {
    font-family: var(--font-m);
    font-size: .72rem;
    letter-spacing: .06em;
    color: var(--nc-ash);
    border: 1px solid var(--nc-steel);
    padding: .35rem .7rem;
}

/* ════ RELACIONADOS ════ */
.art-related { background: var(--nc-dark); border-top: 1px solid var(--nc-steel); }
.art-related-h2 {
    max-width: 1280px;
    margin: 0 auto 1.8rem;
    font-family: var(--font-d);
    font-weight: 700;
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: -.01em;
    color: var(--nc-white);
}
.art-related .blog-grid { max-width: 1280px; }
.art-related .blog-card { background: var(--nc-black); }

/* ════ RESPONSIVE ════ */
@media (max-width: 900px) {
    .blog-hero { padding: 0 1.5rem 2.5rem; min-height: 62vh; }
    .blog-list.sec { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
    .blog-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    /* Con background-size:cover el celular solo ve la franja central de una
       portada apaisada. Si el artículo trae una variante vertical, se usa. */
    .art-hero { padding: 7rem 1.5rem 2.5rem; min-height: 56vh; background-image: var(--cover-m, var(--cover)); }
    .art-body { padding: 2.5rem 1.5rem 3.5rem; font-size: .96rem; line-height: 1.7; }
    .art-body h2 { font-size: 1.6rem; }
    .art-related.sec { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
    .art-related-h2, .art-related .blog-grid { padding-left: 0; padding-right: 0; }
}

/* ═══════════════════════════════════════════════════════════════════
   ARTÍCULO — BLOQUES DE CONTENIDO (prefijo nb-)
   Se escriben como HTML dentro del Markdown del artículo (campo
   cuerpo_md del admin). marked deja pasar el HTML y sanitize-html
   conserva las etiquetas y el atributo class, así que no hace falta
   tocar el generador. Snippets listos en docs/bloques-blog.md.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Tablas ── Markdown genera <table> y hasta ahora salía sin estilo ── */
.art-body table { width: 100%; border-collapse: collapse; margin: 2.5rem 0; font-size: .95rem; }
.art-body th, .art-body td { padding: .85rem 1rem; border: 1px solid var(--nc-steel); text-align: left; vertical-align: top; }
.art-body th { font-family: var(--font-d); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; font-size: .82rem; color: var(--nc-white); background: var(--nc-dark); }
.art-body td { color: var(--nc-light); }
.art-body tbody tr:hover td { background: rgba(255,255,255,.02); }
/* Envolver una tabla ancha en .nb-scroll para que scrollee sola en mobile */
.nb-scroll { margin: 2.5rem 0; overflow-x: auto; }
.nb-scroll table { margin: 0; min-width: 460px; }

/* ── 1. Nota técnica ── */
.nb-nota { margin: 2.5rem 0; padding: 1.4rem 1.6rem; background: var(--nc-dark); border: 1px solid var(--nc-steel); border-left: 3px solid var(--nc-red); }
.nb-nota .nb-k { display: block; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .18em; color: var(--nc-red-hot); margin-bottom: .6rem; }
.nb-nota p { margin: 0; color: var(--nc-light); }
.nb-nota p + p { margin-top: .8rem; }
.nb-nota--alerta { border-left-color: var(--nc-ash); }
.nb-nota--alerta .nb-k { color: var(--nc-ash); }

/* ── 2. Datos clave ── */
.nb-datos { margin: 2.5rem 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border: 1px solid var(--nc-steel); }
.nb-datos div { padding: 1.2rem 1.3rem; border-right: 1px solid var(--nc-steel); }
.nb-datos div:last-child { border-right: none; }
.nb-datos b { display: block; font-family: var(--font-d); font-weight: 800; font-size: 1.7rem; line-height: 1; color: var(--nc-white); }
.nb-datos span { display: block; margin-top: .5rem; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .14em; color: var(--nc-ash); }

/* ── 3. Pasos numerados ── */
.nb-pasos { margin: 2.5rem 0; border-top: 1px solid var(--nc-steel); }
.nb-pasos div { display: grid; grid-template-columns: 2.6rem 1fr; gap: 1.2rem; padding: 1.3rem 0; border-bottom: 1px solid var(--nc-steel); align-items: start; }
.nb-pasos b { font-family: var(--font-d); font-weight: 800; font-size: 1.6rem; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--nc-red); }
.nb-pasos p { margin: 0; color: var(--nc-light); }
.nb-pasos strong { display: block; font-family: var(--font-d); font-weight: 700; text-transform: uppercase; font-size: 1rem; letter-spacing: .01em; color: var(--nc-white); margin-bottom: .3rem; }
/* Variante hito: la misma lista pero con un año en lugar de un ordinal. Cuatro
   dígitos no entran en la columna de 2.6rem, así que se ensancha. */
.nb-pasos--hito div { grid-template-columns: 3.2rem 1fr; }
.nb-pasos--hito b { font-size: 1.35rem; white-space: nowrap; }

/* ── 3b. Grilla de conceptos ── Para ítems paralelos, sin orden entre sí.
   Los pasos numerados no sirven acá porque sugieren secuencia. ── */
.nb-grid { margin: 2.5rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--nc-steel); border: 1px solid var(--nc-steel); }
.nb-grid > div { background: var(--nc-dark); padding: 1.4rem 1.5rem; }
.nb-grid .nb-k { display: block; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .18em; color: var(--nc-red-hot); margin-bottom: .5rem; }
.nb-grid strong { display: block; font-family: var(--font-d); font-weight: 700; text-transform: uppercase; font-size: 1.05rem; line-height: 1.15; letter-spacing: .01em; color: var(--nc-white); margin-bottom: .55rem; }
.nb-grid p { margin: 0; font-size: .93rem; color: var(--nc-light); }

/* ── 4. Antes y después ── */
/* Sin borde exterior, igual que las imágenes sueltas. El gap de 1px sobre el
   fondo deja solo la costura entre las dos fotos, que sí hace falta. */
.nb-ab { margin: 2.5rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--nc-steel); }
.nb-ab figure { margin: 0; background: var(--nc-black); }
.nb-ab img { width: 100%; max-width: none; height: auto; margin: 0; border: none; display: block; }
.nb-ab figcaption { padding: .7rem 1rem; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .16em; color: var(--nc-ash); }

/* ── 5. CTA de producto ── */
.nb-cta { margin: 3rem 0; padding: 1.8rem; border: 1px solid var(--nc-red-dim); background: rgba(193,18,31,.06); display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; justify-content: space-between; }
.nb-cta > div { flex: 1 1 260px; }
.nb-cta .nb-k { display: block; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .18em; color: var(--nc-red-hot); margin-bottom: .5rem; }
.nb-cta strong { display: block; font-family: var(--font-d); font-weight: 800; text-transform: uppercase; font-size: 1.25rem; line-height: 1.1; color: var(--nc-white); }
.nb-cta p { margin: .45rem 0 0; font-size: .93rem; color: var(--nc-ash); }
.nb-cta a { flex: 0 0 auto; font-family: var(--font-d); font-weight: 700; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; color: #fff; background: var(--nc-red); padding: .9rem 1.6rem; transition: transform .2s var(--expo), background .2s; }
.nb-cta a:hover { background: var(--nc-red-hot); transform: translateY(-2px); }

/* ── 6. Cita con atribución ── */
.nb-cita { margin: 3rem 0; padding-left: 1.8rem; border-left: 3px solid var(--nc-red); }
.nb-cita p { font-family: var(--font-d); font-size: 1.5rem; line-height: 1.35; color: var(--nc-white); margin: 0; }
.nb-cita span { display: block; margin-top: .9rem; font-family: var(--font-m); font-size: .58rem; text-transform: uppercase; letter-spacing: .16em; color: var(--nc-ash); }

@media (max-width: 700px) {
    .nb-ab { grid-template-columns: 1fr; }
    .nb-datos { grid-template-columns: 1fr 1fr; }
    .nb-datos div { border-bottom: 1px solid var(--nc-steel); }
    .nb-datos div:nth-child(2n) { border-right: none; }
    .nb-cta { flex-direction: column; align-items: stretch; padding: 1.4rem; }
    .nb-cta a { text-align: center; }
    .nb-cita p { font-size: 1.25rem; }
    .nb-pasos div { grid-template-columns: 2.2rem 1fr; gap: .9rem; }
    .nb-grid { grid-template-columns: 1fr; }
    /* Un año necesita más que un ordinal: 2.2rem no alcanza para cuatro dígitos. */
    .nb-pasos--hito div { grid-template-columns: 2.9rem 1fr; }
    .nb-pasos--hito b { font-size: 1.2rem; }
}

/* ── 7. Texto + imagen en la misma fila ── */
.nb-split { margin: 3rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.75rem); align-items: center; }
.nb-split > div > * + * { margin-top: 1rem; }
.nb-split > div > :first-child { margin-top: 0; }
.nb-split h3 { margin-top: 0; }
.nb-split figure { margin: 0; }
.nb-split img { width: 100%; max-width: none; height: auto; margin: 0; display: block; }
.nb-split figcaption { margin-top: .7rem; font-family: var(--font-m); font-size: .56rem; text-transform: uppercase; letter-spacing: .16em; color: var(--nc-ash); }
/* Variante: la imagen pasa a la izquierda, para alternar entre secciones */
.nb-split--inv > figure { order: -1; }

@media (max-width: 700px) {
    .nb-split { grid-template-columns: 1fr; gap: 1.4rem; }
    /* En una sola columna el texto va primero siempre, sin importar la variante */
    .nb-split--inv > figure { order: 0; }
}