/* ==========================================================================
   Artículos relacionados
   ========================================================================== */

.articulos-relacionados {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0;
}

.articulos-relacionados__titulo {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 30px;
    color: #1a1a1a;
}

/* Grid: un artículo por columna (4 columnas en escritorio) */
.articulos-relacionados__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ------------------------------ Tarjeta ------------------------------ */

.ar-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ar-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.ar-item__imagen {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eee;
}

.ar-item__imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.ar-item:hover .ar-item__imagen img {
    transform: scale(1.06);
}

.ar-item__sin-imagen {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e0e0, #f2f2f2);
}

.ar-item__contenido {
    padding: 18px 18px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ar-item__fecha {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #999;
    margin-bottom: 8px;
}

.ar-item__titulo {
    font-size: 17px;
    line-height: 1.35;
    margin: 0 0 10px;
    font-weight: 600;
}

.ar-item__titulo a {
    color: #1a1a1a;
    text-decoration: none;
}

.ar-item__titulo a:hover {
    color: #0073aa;
}

.ar-item__excerpt {
    font-size: 14px;
    line-height: 1.5;
    color: #555;
    margin: 0;
}

/* ============================== Responsive ============================== */

/* Tablets grandes: 3 columnas */
@media (max-width: 1024px) {
    .articulos-relacionados__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

/* Tablets: 2 columnas */
@media (max-width: 768px) {
    .articulos-relacionados__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .articulos-relacionados__titulo {
        font-size: 24px;
    }
}

/* Móviles: 1 columna */
@media (max-width: 480px) {
    .articulos-relacionados__grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .articulos-relacionados {
        margin: 40px auto;
    }
}