/* ===== BLOG / NOTICIAS ===== */

/* --- Hero editorial --- */
.blog-hero {
    background: linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
    border-bottom: 1px solid #e6eef8;
    padding: 112px 0 58px;
    text-align: center;
}

.blog-hero .container {
    max-width: 900px;
}

.blog-hero h1 {
    color: #101828;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.08;
    margin: 0 auto 14px;
    max-width: 760px;
    text-wrap: balance;
}

.blog-hero p {
    color: #475467;
    font-size: clamp(1rem, 1.6vw, 1.12rem);
    line-height: 1.65;
    max-width: 620px;
    margin: 0 auto;
    text-wrap: pretty;
}

/* --- Filtro categorias --- */
.blog-filters {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 2rem 1rem 0;
    max-width: 900px;
    margin: 0 auto;
}
.blog-chip {
    padding: 0.5rem 1.25rem;
    border-radius: 30px;
    border: 1.5px solid #e2e8f0;
    background: #fff;
    color: #555;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.blog-chip:hover,
.blog-chip.active {
    background: var(--primary-blue, #0472FD);
    color: #fff;
    border-color: var(--primary-blue, #0472FD);
}

/* --- Grid de cards --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    max-width: 1100px;
    margin: 2rem auto 4rem;
    padding: 0 1rem;
}

/* --- Card individual --- */
.blog-card {
    background: #fff;
    border-radius: var(--radius-card, 16px);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.25s var(--transition-smooth, ease), box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover, 0 4px 12px rgba(0,0,0,0.08), 0 20px 40px rgba(0,0,0,0.12));
}
.blog-card-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.blog-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: #888;
}
.blog-card-cat {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.blog-card-cat.cat-sri         { background: #FEF3C7; color: #92400E; }
.blog-card-cat.cat-facturacion { background: #DBEAFE; color: #1E40AF; }
.blog-card-cat.cat-normativa   { background: #D1FAE5; color: #065F46; }
.blog-card-cat.cat-firma       { background: #EDE9FE; color: #5B21B6; }
.blog-card-cat.cat-ecuafact    { background: #E0F2FE; color: #0369A1; }

.blog-card-body h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #003B7A;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.blog-card-body p {
    font-size: 0.88rem;
    color: #666;
    line-height: 1.55;
    flex: 1;
    margin: 0;
}
.blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--primary-blue, #0472FD);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: gap 0.2s;
}
.blog-card:hover .blog-card-link {
    gap: 0.6rem;
}

/* --- Articulo detalle --- */
.blog-article {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
    line-height: 1.8;
    color: #333;
}
.blog-breadcrumb {
    padding: 1rem 0;
    font-size: 0.88rem;
    color: #888;
}
.blog-breadcrumb a {
    color: #005bb5;
    text-decoration: none;
}
.blog-breadcrumb a:hover {
    text-decoration: underline;
}
.blog-article-header {
    margin-bottom: 2rem;
}
.blog-article-header h1 {
    color: #003B7A;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}
.blog-article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.88rem;
    color: #888;
    flex-wrap: wrap;
}
.blog-article-meta i {
    margin-right: 0.25rem;
}
.blog-hero-img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.blog-article h2 {
    color: #003B7A;
    font-size: 1.4rem;
    margin-top: 2rem;
    border-bottom: 2px solid #00C8F8;
    padding-bottom: 0.5rem;
}
.blog-article h3 {
    color: #005bb5;
    font-size: 1.15rem;
    margin-top: 1.5rem;
}
.blog-article p {
    margin-bottom: 1rem;
}
.blog-article ul, .blog-article ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}
.blog-article li {
    margin-bottom: 0.4rem;
}
.blog-article blockquote {
    border-left: 4px solid #00C8F8;
    background: #f8fafc;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #555;
}

/* Relacionados */
.blog-related {
    margin-top: 3rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}
.blog-related h3 {
    color: #003B7A;
    font-size: 1.1rem;
    margin: 0 0 1rem;
    border: none;
    padding: 0;
}
.blog-related ul {
    list-style: none;
    padding: 0;
}
.blog-related li {
    padding: 0.5rem 0;
}
.blog-related a {
    color: #005bb5;
    text-decoration: none;
    font-weight: 500;
}
.blog-related a:hover {
    color: #003B7A;
    text-decoration: underline;
}

/* CTA */
.blog-cta {
    background: linear-gradient(135deg, #003B7A 0%, #005bb5 100%);
    color: #fff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 3rem;
}
.blog-cta h3 {
    color: #fff;
    margin: 0 0 0.5rem;
    border: none;
    padding: 0;
    font-size: 1.25rem;
}
.blog-cta p {
    opacity: 0.85;
    margin-bottom: 1.25rem;
}
.blog-cta a {
    display: inline-block;
    background: #00C8F8;
    color: #003B7A;
    padding: 0.75rem 2rem;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    margin: 0.5rem;
    transition: transform 0.2s;
}
.blog-cta a:hover {
    transform: translateY(-2px);
}

/* --- Empty state --- */
.blog-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: #888;
    grid-column: 1 / -1;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .blog-hero { padding: 84px 1rem 36px; }
    .blog-hero h1 { font-size: 1.75rem; }
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .blog-article-header h1 { font-size: 1.5rem; }
}