/* ============================================================
   RG Noticias — Estilo público (blanco y negro)
   Titulares: Playfair Display · Texto: Source Serif 4 · UI: Inter
   ============================================================ */
:root {
    --negro: #111111;
    --gris-oscuro: #333333;
    --gris: #666666;
    --gris-claro: #999999;
    --linea: #e2e2e2;
    --fondo: #ffffff;
    --serif-titulo: 'Playfair Display', Georgia, serif;
    --serif-texto: 'Source Serif 4', Georgia, serif;
    --sans: 'Inter', -apple-system, sans-serif;
    --ancho-lectura: 680px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--fondo); color: var(--negro); font-family: var(--sans); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- Cabecera ---------- */
.masthead { border-bottom: 3px double var(--negro); background: #fff; }
.masthead-inner {
    max-width: 1240px; margin: 0 auto; padding: 1.6rem 1.5rem 1rem;
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem;
}
.masthead-fecha { font-size: .75rem; color: var(--gris); text-transform: capitalize; }
.masthead-logo {
    font-family: var(--serif-titulo); font-weight: 900; font-size: clamp(2rem, 5vw, 3.2rem);
    text-decoration: none; letter-spacing: -.02em; text-align: center; color: var(--negro);
}
.masthead-lema { font-size: .75rem; color: var(--gris); text-align: right; font-style: italic; }
.nav-principal {
    max-width: 1240px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; justify-content: center; gap: 2.5rem;
    border-top: 1px solid var(--linea);
}
.nav-principal a {
    text-decoration: none; font-size: .8rem; font-weight: 600; letter-spacing: .14em;
    text-transform: uppercase; padding: .8rem 0; border-bottom: 2px solid transparent;
    transition: border-color .15s;
}
.nav-principal a:hover, .nav-principal a.activo { border-bottom-color: var(--negro); }

/* ---------- Portada dividida ---------- */
.contenido-principal { min-height: 60vh; }
.portada {
    max-width: 1240px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem;
    display: grid; grid-template-columns: 428px 1fr; gap: 3rem;
}
.seccion-titulo {
    font-family: var(--sans); font-size: .8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .16em;
    border-bottom: 2px solid var(--negro); padding-bottom: .6rem; margin-bottom: 1.4rem;
}

/* Columna Facebook */
.col-facebook { border-right: 1px solid var(--linea); padding-right: 3rem; }
.fb-tarjeta { position: sticky; top: 1.5rem; border: 1px solid var(--negro); background: #fff; }
.fb-cabecera { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--linea); }
.fb-nombre { font-family: var(--serif-titulo); font-weight: 700; font-size: 1.15rem; line-height: 1.2; }
.fb-detalle { font-size: .68rem; color: var(--gris); text-transform: uppercase; letter-spacing: .12em; margin-top: .25rem; }
.fb-seguir { flex-shrink: 0; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; text-decoration: none; border: 1px solid var(--negro); padding: .5rem 1rem; transition: all .15s; }
.fb-seguir:hover { background: var(--negro); color: #fff; }
.fb-recorte { overflow: hidden; height: 680px; }
.fb-tarjeta iframe { display: block; margin-top: -75px; filter: grayscale(1); transition: filter .3s; }
.fb-tarjeta:hover iframe { filter: grayscale(0); }
.fb-vermas { display: block; text-align: center; padding: .9rem; font-size: .74rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; border-top: 1px solid var(--linea); transition: all .15s; }
.fb-vermas:hover { background: var(--negro); color: #fff; }
.fb-vacio { font-size: .9rem; color: var(--gris); background: #f7f7f7; padding: 1.2rem; border: 1px dashed var(--linea); }

/* Columna artículos */
.destacado { margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--linea); }
.destacado a { text-decoration: none; }
.destacado-imagen { overflow: hidden; margin-bottom: 1.2rem; }
.destacado-imagen img { width: 100%; aspect-ratio: 16/9; object-fit: cover; filter: grayscale(.25); transition: transform .4s ease, filter .4s; }
.destacado a:hover img { transform: scale(1.02); filter: grayscale(0); }
.destacado-titulo {
    font-family: var(--serif-titulo); font-weight: 700; font-size: clamp(1.6rem, 3.2vw, 2.4rem);
    line-height: 1.15; letter-spacing: -.01em; margin-bottom: .6rem;
}
.destacado a:hover .destacado-titulo { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.destacado-extracto { font-family: var(--serif-texto); font-size: 1.1rem; color: var(--gris-oscuro); line-height: 1.55; }

.rejilla-articulos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.2rem 2rem; }
.tarjeta a { text-decoration: none; }
.tarjeta-imagen { overflow: hidden; margin-bottom: .9rem; }
.tarjeta-imagen img { width: 100%; aspect-ratio: 3/2; object-fit: cover; filter: grayscale(.25); transition: transform .4s ease, filter .4s; }
.tarjeta a:hover img { transform: scale(1.03); filter: grayscale(0); }
.tarjeta-titulo { font-family: var(--serif-titulo); font-weight: 700; font-size: 1.25rem; line-height: 1.25; margin-bottom: .45rem; }
.tarjeta a:hover .tarjeta-titulo { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.tarjeta-extracto {
    font-family: var(--serif-texto); font-size: .95rem; color: var(--gris-oscuro); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.tarjeta-meta { font-size: .74rem; color: var(--gris-claro); text-transform: uppercase; letter-spacing: .08em; margin-top: .55rem; }

/* ---------- Página de artículo (lectura estilo NYT) ---------- */
.articulo { padding: 3rem 1.5rem 4.5rem; }
.articulo-cabecera { max-width: 840px; margin: 0 auto 2.2rem; text-align: center; }
.articulo-antetitulo { font-size: .78rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--gris); margin-bottom: 1rem; }
.articulo-titulo {
    font-family: var(--serif-titulo); font-weight: 900; font-size: clamp(2.1rem, 5.4vw, 3.6rem);
    line-height: 1.08; letter-spacing: -.02em; margin-bottom: 1.1rem;
}
.articulo-bajada { font-family: var(--serif-texto); font-size: 1.25rem; color: var(--gris); line-height: 1.5; max-width: 700px; margin: 0 auto 1.2rem; }
.articulo-meta { font-size: .82rem; color: var(--gris); letter-spacing: .04em; }
.articulo-autor { font-weight: 600; color: var(--negro); }

.articulo-imagen-principal { max-width: 1040px; margin: 0 auto 2.8rem; }
.articulo-imagen-principal img { width: 100%; max-height: 620px; object-fit: cover; }
.articulo-imagen-principal figcaption { font-size: .78rem; color: var(--gris); padding-top: .5rem; border-bottom: 1px solid var(--linea); padding-bottom: .8rem; }

.articulo-contenido {
    max-width: var(--ancho-lectura); margin: 0 auto;
    font-family: var(--serif-texto); font-size: 1.22rem; line-height: 1.78; color: #1a1a1a;
}
.articulo-contenido p { margin-bottom: 1.5rem; }
.articulo-contenido h2, .articulo-contenido h3 {
    font-family: var(--serif-titulo); line-height: 1.2; margin: 2.4rem 0 1rem; letter-spacing: -.01em;
}
.articulo-contenido h2 { font-size: 1.8rem; }
.articulo-contenido h3 { font-size: 1.4rem; }
.articulo-contenido a { color: var(--negro); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.articulo-contenido a:hover { background: var(--negro); color: #fff; text-decoration: none; }
.articulo-contenido blockquote {
    border-left: 3px solid var(--negro); margin: 2.2rem 0; padding: .4rem 0 .4rem 1.6rem;
    font-size: 1.35rem; font-style: italic; color: var(--gris-oscuro); line-height: 1.55;
}
.articulo-contenido img { margin: 2.2rem auto; width: 100%; }
.articulo-contenido ul, .articulo-contenido ol { margin: 0 0 1.5rem 1.6rem; }
.articulo-contenido li { margin-bottom: .5rem; }
.articulo-contenido hr { border: none; text-align: center; margin: 2.5rem 0; }
.articulo-contenido hr::after { content: "···"; font-size: 1.5rem; letter-spacing: .8em; color: var(--gris); }

/* Medios incrustados */
.articulo-contenido iframe.ql-video, .articulo-contenido iframe {
    width: 100%; aspect-ratio: 16/9; height: auto; border: none; margin: 2.2rem 0; display: block;
}
.articulo-contenido video { width: 100%; margin: 2.2rem 0; background: #000; }
.articulo-contenido audio { width: 100%; margin: 2rem 0; display: block; }
.articulo-contenido a.adjunto-pdf {
    display: block; margin: 2rem 0; padding: 1rem 1.3rem; border: 1px solid var(--negro);
    font-family: var(--sans); font-size: .95rem; font-weight: 600; text-decoration: none;
}
.articulo-contenido a.adjunto-pdf::before { content: "📄  "; }
.articulo-contenido a.adjunto-pdf:hover { background: var(--negro); color: #fff; }

.articulo-pie { max-width: var(--ancho-lectura); margin: 3rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--linea); }
.volver { font-size: .85rem; font-weight: 600; text-decoration: none; letter-spacing: .05em; }
.volver:hover { text-decoration: underline; }

/* ---------- Pie ---------- */
.pie { border-top: 3px double var(--negro); background: #fff; margin-top: 2rem; }
.pie-inner { max-width: 1240px; margin: 0 auto; padding: 2.5rem 1.5rem; text-align: center; }
.pie-logo { font-family: var(--serif-titulo); font-weight: 900; font-size: 1.6rem; margin-bottom: 1rem; }
.pie-nav { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1.2rem; }
.pie-nav a { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; text-decoration: none; }
.pie-nav a:hover { text-decoration: underline; }
.pie-texto { font-size: .78rem; color: var(--gris); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .portada { grid-template-columns: 1fr; gap: 2.5rem; }
    .col-facebook { border-right: none; padding-right: 0; order: 2; }
    .col-articulos { order: 1; }
    .fb-tarjeta { position: static; }
    .masthead-inner { grid-template-columns: 1fr; text-align: center; padding-bottom: .8rem; }
    .masthead-fecha, .masthead-lema { display: none; }
}
@media (max-width: 620px) {
    .rejilla-articulos { grid-template-columns: 1fr; }
    .nav-principal { gap: 1.5rem; }
    .articulo-contenido { font-size: 1.1rem; }
}

/* ---------- Artículo con foto héroe (estilo editorial) ---------- */
.articulo-nota { background: #fff; }
.nota-hero { height: min(70vh, 620px); background-size: cover; background-position: center 20%; position: relative; }
.nota-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,.35), rgba(0,0,0,0) 35%, rgba(0,0,0,.5)); }
.nota-carta { position: relative; z-index: 2; max-width: 1100px; margin: -110px auto 0; background: #fff; border-radius: 26px 26px 0 0; padding: 3.2rem clamp(1.4rem, 6vw, 5.5rem) 1rem; }
.articulo-nota.sin-hero .nota-carta { margin-top: 0; border-radius: 0; }
.nota-cabecera { max-width: 780px; margin: 0 auto 2.6rem; }
.nota-titulo { font-family: var(--serif-titulo); font-weight: 900; font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.1; letter-spacing: -.02em; margin-bottom: 1.1rem; }
.nota-bajada { font-family: var(--serif-texto); font-size: 1.22rem; color: var(--gris-oscuro); line-height: 1.55; margin-bottom: 1.6rem; }
.nota-meta { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); padding: .9rem 0; }
.nota-fuente { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .06em; }
.nota-meta time { font-size: .74rem; color: var(--gris); text-transform: uppercase; letter-spacing: .06em; }
.nota-etiqueta { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; background: var(--negro); color: #fff; padding: .35rem .7rem; }
.nota-compartir { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.6rem; }
.nota-compartir span { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--gris); }
.boton-fb { font-size: .8rem; font-weight: 600; text-decoration: none; background: var(--negro); color: #fff; padding: .55rem 1.3rem; border-radius: 6px; }
.boton-fb:hover { background: #333; }
.con-capital > p:first-of-type::first-letter { font-family: var(--serif-titulo); font-weight: 900; font-size: 4.4em; float: left; line-height: .8; padding: .05em .14em 0 0; }
.articulo-nota .articulo-pie { padding-bottom: 3rem; }
@media (max-width: 700px) {
    .nota-hero { height: 46vh; }
    .nota-carta { margin-top: -60px; border-radius: 18px 18px 0 0; }
}