/* =========================================================
   BLOG / ÚLTIMAS CARGAS — Hoja de estilos
   Hereda las variables definidas en css/style.css
   (--color-fondo, --color-verde, --color-azul-oscuro,
    --color-dorado, --font-sans, --margen-lateral)
   ========================================================= */

/* ---------------------------------------------------------
   1. HERO DE SECCIÓN (mismo patrón que nosotros.html)
   --------------------------------------------------------- */
.hero-blog {
    position: relative;
    height: 50vh;
    min-height: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('../images/fondo_13_2.jpg');
    background-color: var(--color-azul-oscuro);
}
.hero-blog::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(27, 57, 81, 0.45);
    z-index: 1;
}
.hero-blog .hero-blog-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
}
.hero-blog h1 {
    color: #ffffff;
    font-size: 2.6rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.hero-blog p {
    font-weight: 300;
    font-size: 1.05rem;
    opacity: 0.9;
}

/* ---------------------------------------------------------
   2. LAYOUT PRINCIPAL: SIDEBAR IZQUIERDA + CONTENIDO CENTRAL
   --------------------------------------------------------- */
.blog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    padding: 90px var(--margen-lateral) 120px;
    align-items: start;
    background-color: var(--color-fondo);
}

/* --- Sidebar --- */
.blog-sidebar {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: 45px;
}
.sidebar-widget h3 {
    color: var(--color-verde);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #c89c39;
}

/* Últimas entradas */
.sidebar-recientes {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.sidebar-recientes li a {
    display: block;
    color: var(--color-azul-oscuro);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    transition: color 0.3s ease;
}
.sidebar-recientes li a:hover { color: var(--color-verde); }
.sidebar-recientes li span {
    display: block;
    font-size: 0.75rem;
    font-weight: 300;
    color: #999;
    margin-top: 4px;
}

/* Etiquetas / hashtags */
.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tag-chip {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-azul-oscuro);
    background-color: #ffffff;
    border: 1px solid rgba(27, 57, 81, 0.15);
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.tag-chip::before { content: '#'; opacity: 0.5; margin-right: 2px; }
.tag-chip:hover { border-color: var(--color-verde); color: var(--color-verde); }
.tag-chip.active {
    background-color: var(--color-verde);
    border-color: var(--color-verde);
    color: #ffffff;
}

/* Filtro activo (aviso encima del grid) */
.filtro-activo {
    display: none;
    align-items: center;
    gap: 12px;
    margin-bottom: 35px;
    font-size: 0.9rem;
    color: var(--color-azul-oscuro);
}
.filtro-activo.visible { display: flex; }
.filtro-activo strong { color: var(--color-verde); }
.filtro-activo a {
    font-size: 0.8rem;
    text-decoration: underline;
    opacity: 0.7;
}
.filtro-activo a:hover { opacity: 1; color: var(--color-verde); }

/* ---------------------------------------------------------
   3. GRID DE ARTÍCULOS (bloque central)
   --------------------------------------------------------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 45px;
}

.tarjeta-post {
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(27, 57, 81, 0.06);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.tarjeta-post:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(27, 57, 81, 0.12);
}
.tarjeta-post-img {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #eee;
}
.tarjeta-post-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.tarjeta-post:hover .tarjeta-post-img img { transform: scale(1.05); }

.tarjeta-post-body {
    padding: 25px 25px 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.tarjeta-post-fecha {
    font-size: 0.75rem;
    color: var(--color-dorado);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.tarjeta-post-body h2 {
    font-size: 1.2rem;
    color: var(--color-azul-oscuro);
    margin-bottom: 12px;
    line-height: 1.35;
}
.tarjeta-post-body p {
    font-size: 0.92rem;
    font-weight: 300;
    color: var(--color-texto);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}
.tarjeta-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.tarjeta-post-tags span {
    font-size: 0.72rem;
    color: var(--color-verde);
    opacity: 0.85;
}
.leer-mas {
    align-self: flex-start;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-verde);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s ease, color 0.25s ease;
}
.leer-mas::after { content: '\2192'; transition: transform 0.25s ease; }
.tarjeta-post:hover .leer-mas { gap: 10px; color: #7da518; }

.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-weight: 300;
}

/* ---------------------------------------------------------
   4. ARTÍCULO INDIVIDUAL
   --------------------------------------------------------- */

/* Cabecera genérica (misma imagen de fondo para todas las fichas,
   reutiliza el tratamiento visual de .hero-blog) */
.post-hero .post-fecha-articulo {
    color: #ffffff;
    opacity: 0.85;
    margin-bottom: 12px;
}
.post-hero h1 { margin-bottom: 0; }

.post-contenedor {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 20px 60px;
}
.post-volver {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-verde);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 30px;
}
.post-volver::before { content: '\2190'; margin-right: 8px; }
.post-fecha-articulo {
    font-size: 0.8rem;
    color: var(--color-dorado);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

/* Título de refuerzo al inicio del cuerpo (mismo tratamiento que
   .seccion-intro h2 de nosotros.html, pero alineado a la izquierda) */
.post-titulo-refuerzo {
    color: var(--color-verde);
    font-size: 2.2rem;
    line-height: 1.3;
    text-align: left;
    margin-bottom: 30px;
}

.post-tags-articulo {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 45px;
}
.post-cuerpo {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.9;
    color: var(--color-texto);
}
.post-cuerpo p { margin-bottom: 25px; }
.post-cuerpo h2, .post-cuerpo h3 {
    color: var(--color-verde);
    margin: 40px 0 18px;
}
.post-cuerpo img {
    width: 100%;
    border-radius: 6px;
    margin: 30px 0;
}
.post-cuerpo ul { margin: 0 0 25px 20px; }

/* Galería de 3 imágenes bajo el texto (opcional por entrada) */
.post-galeria {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 20px;
    margin: 15px 0 45px;
}
.post-galeria-item {
    position: relative;
    width: 280px;
    max-width: calc(33.333% - 14px);
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 6px;
}
.post-galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.post-galeria-item:hover {
    z-index: 2;
}
.post-galeria-item:hover img {
    transform: scale(1.18);
}

/* ---------------------------------------------------------
   5. RELACIONADOS (versión compacta, alineada al ancho del texto)
   --------------------------------------------------------- */
.relacionados {
    padding: 20px var(--margen-lateral) 100px;
    background-color: var(--color-fondo);
}
.relacionados h3 {
    color: var(--color-verde);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 30px;
    text-align: center;
}
.relacionados-contenedor {
    max-width: 900px;
    margin: 0 auto;
}
.relacionados .blog-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }

.tarjeta-post.compacta .tarjeta-post-img { aspect-ratio: 16 / 10; }
.tarjeta-post.compacta .tarjeta-post-body { padding: 16px 18px 20px; }
.tarjeta-post.compacta .tarjeta-post-fecha { font-size: 0.68rem; margin-bottom: 6px; }
.tarjeta-post.compacta h2 { font-size: 0.95rem; margin-bottom: 0; }
.tarjeta-post.compacta p,
.tarjeta-post.compacta .tarjeta-post-tags,
.tarjeta-post.compacta .leer-mas { display: none; }

@media (max-width: 700px) {
    .relacionados .blog-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------
   5. RESPONSIVE
   --------------------------------------------------------- */
@media (max-width: 900px) {
    .blog-layout { grid-template-columns: 1fr; padding: 70px var(--margen-lateral) 80px; }
    .blog-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 40px;
        margin-bottom: 20px;
    }
    .sidebar-widget { flex: 1 1 240px; }
}
@media (max-width: 600px) {
    .hero-blog h1 { font-size: 1.9rem; }
    .post-hero h1 { font-size: 1.6rem; }
    .blog-sidebar { flex-direction: column; }
    .post-galeria-item { max-width: calc(50% - 10px); }
}