/* ============================================================
   FINANTU — Blog CSS
   ------------------------------------------------------------
   Estilos para:
   - Hero del blog
   - Grid de cards / listado
   - Buscador + filtro de categorías
   - Paginación
   - Artículo detalle (hero, contenido, sidebar)
   - Banners publicitarios
   - CTA final
   - Artículos relacionados
   - Responsive mobile-first
   ============================================================ */

/* ─── Variables locales ──────────────────────────────────────── */
.blog-hero,
.blog-main,
.blog-article {
    --blog-max: 1120px;
    --blog-px: 24px;
}

/* ─── HERO ─────────────────────────────────────────────────── */
.blog-hero {
    max-width: var(--blog-max);
    margin: 0 auto;
    padding: 86px var(--blog-px) 42px;
}

.blog-hero-inner {
    max-width: 780px;
}

.blog-kicker {
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--green, #00d4aa);
    display: block;
    margin-bottom: 14px;
}

.blog-hero-title {
    font-size: clamp(38px, 6vw, 72px);
    line-height: .95;
    letter-spacing: -2.6px;
    margin: 0 0 18px;
    color: var(--text, #e8e8f0);
}

.blog-hero-sub {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-2, #a0a0b8);
    margin: 0;
    max-width: 620px;
}

/* ─── TOOLBAR (búsqueda + categorías) ─────────────────────── */
.blog-main {
    max-width: var(--blog-max);
    margin: 0 auto;
    padding: 0 var(--blog-px) 72px;
}

.blog-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-bottom: 32px;
}

.blog-search-wrap {
    position: relative;
    flex: 1;
    min-width: 220px;
    max-width: 380px;
}

.blog-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-3, #5a5a72);
    pointer-events: none;
}

.blog-search {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--border, #1c1c2e);
    border-radius: 12px;
    background: var(--surface, #0e0e14);
    color: var(--text, #e8e8f0);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .15s;
    box-sizing: border-box;
}

.blog-search:focus {
    outline: none;
    border-color: var(--green, #00d4aa);
}

.blog-cats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.blog-cat-btn {
    padding: 7px 16px;
    border: 1px solid var(--border, #1c1c2e);
    border-radius: 20px;
    background: transparent;
    color: var(--text-2, #a0a0b8);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all .15s;
    white-space: nowrap;
}

.blog-cat-btn:hover {
    border-color: var(--text-3, #5a5a72);
    color: var(--text, #e8e8f0);
}

.blog-cat-btn.active {
    background: var(--green, #00d4aa);
    border-color: var(--green, #00d4aa);
    color: #00100c;
    font-weight: 600;
}

/* ─── GRID DE CARDS ───────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    min-height: 200px;
}

.blog-loading,
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-3, #5a5a72);
    font-size: 15px;
    padding: 60px 20px;
}

/* ─── CARD ────────────────────────────────────────────────── */
.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--surface, #0e0e14);
    border: 1px solid var(--border, #1c1c2e);
    border-radius: 18px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform .18s, box-shadow .18s, border-color .18s;
}

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
    border-color: var(--border-2, #2a2a40);
}

.blog-card-img {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
    background-color: var(--bg, #060608);
    flex-shrink: 0;
}

.blog-card-img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-3, #5a5a72);
}

.blog-card-img--placeholder svg {
    width: 40px;
    height: 40px;
    opacity: .4;
}

.blog-card-body {
    padding: 18px 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card-cat {
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--green, #00d4aa);
    margin-bottom: 8px;
}

.blog-card-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 8px;
    color: var(--text, #e8e8f0);
    letter-spacing: -.3px;
}

.blog-card-excerpt {
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-2, #a0a0b8);
    margin: 0 0 auto;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 11px;
    color: var(--text-3, #5a5a72);
    margin-top: 14px;
}

/* ─── PAGINACIÓN ──────────────────────────────────────────── */
.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.blog-pag-btn {
    padding: 8px 14px;
    border: 1px solid var(--border, #1c1c2e);
    border-radius: 10px;
    background: transparent;
    color: var(--text-2, #a0a0b8);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all .15s;
}

.blog-pag-btn:hover {
    border-color: var(--green, #00d4aa);
    color: var(--text, #e8e8f0);
}

.blog-pag-btn.active {
    background: var(--green, #00d4aa);
    border-color: var(--green, #00d4aa);
    color: #00100c;
    font-weight: 600;
}

.blog-pag-dots {
    display: flex;
    align-items: center;
    color: var(--text-3, #5a5a72);
    padding: 0 4px;
}

/* ═══════════════════════════════════════════════════════════════
   ARTÍCULO DETALLE
   ═══════════════════════════════════════════════════════════════ */

.blog-article {
    max-width: var(--blog-max);
    margin: 0 auto;
    padding: 0 var(--blog-px) 0;
}

/* Breadcrumb */
.blog-breadcrumb {
    padding: 24px 0 0;
    font-size: 13px;
    color: var(--text-3, #5a5a72);
}

.blog-breadcrumb a {
    color: var(--text-3, #5a5a72);
    text-decoration: none;
    transition: color .15s;
}

.blog-breadcrumb a:hover {
    color: var(--green, #00d4aa);
}

.blog-breadcrumb-sep {
    margin: 0 6px;
    opacity: .5;
}

/* Hero del artículo */
.blog-article-hero {
    padding: 32px 0 24px;
    max-width: 780px;
}

.blog-article-cat {
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--green, #00d4aa);
    display: inline-block;
    margin-bottom: 12px;
}

.blog-article-title {
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.08;
    letter-spacing: -1.8px;
    margin: 0 0 16px;
    color: var(--text, #e8e8f0);
}

.blog-article-excerpt {
    font-size: 18px;
    line-height: 1.65;
    color: var(--text-2, #a0a0b8);
    margin: 0 0 18px;
}

.blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 12px;
    color: var(--text-3, #5a5a72);
}

.blog-article-author {
    color: var(--text-2, #a0a0b8);
}

/* Imagen destacada */
.blog-article-featured-img {
    margin: 0 0 32px;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border, #1c1c2e);
}

.blog-article-featured-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* Layout artículo + sidebar */
.blog-article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
    align-items: start;
}

/* Contenido del artículo */
.blog-article-content {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-2, #a0a0b8);
    min-width: 0;
}

.blog-article-content h2 {
    font-size: 26px;
    line-height: 1.2;
    letter-spacing: -.8px;
    margin: 40px 0 14px;
    color: var(--text, #e8e8f0);
}

.blog-article-content h3 {
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -.4px;
    margin: 32px 0 10px;
    color: var(--text, #e8e8f0);
}

.blog-article-content h4 {
    font-size: 17px;
    margin: 24px 0 8px;
    color: var(--text, #e8e8f0);
}

.blog-article-content p {
    margin: 0 0 18px;
}

.blog-article-content ul,
.blog-article-content ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.blog-article-content li {
    margin-bottom: 6px;
}

.blog-article-content a {
    color: var(--green, #00d4aa);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.blog-article-content a:hover {
    opacity: .8;
}

.blog-article-content blockquote {
    margin: 24px 0;
    padding: 18px 24px;
    border-left: 3px solid var(--green, #00d4aa);
    background: rgba(0, 212, 170, .05);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: var(--text, #e8e8f0);
}

.blog-article-content pre {
    margin: 18px 0;
    padding: 18px;
    background: var(--bg, #060608);
    border: 1px solid var(--border, #1c1c2e);
    border-radius: 12px;
    overflow-x: auto;
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 13px;
    color: var(--text, #e8e8f0);
}

.blog-article-content code {
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: .9em;
    background: rgba(255, 255, 255, .06);
    padding: 2px 6px;
    border-radius: 5px;
}

.blog-article-content pre code {
    background: none;
    padding: 0;
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 12px 0;
}

.blog-article-content hr {
    border: none;
    border-top: 1px solid var(--border, #1c1c2e);
    margin: 32px 0;
}

.blog-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    font-size: 14px;
}

.blog-article-content th,
.blog-article-content td {
    padding: 10px 14px;
    border: 1px solid var(--border, #1c1c2e);
    text-align: left;
}

.blog-article-content th {
    background: rgba(255, 255, 255, .04);
    color: var(--text, #e8e8f0);
    font-weight: 600;
}

/* Sidebar */
.blog-article-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* ─── BANNERS ─────────────────────────────────────────────── */
.blog-banner {
    margin: 28px 0;
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border, #1c1c2e);
    background: var(--surface, #0e0e14);
    position: relative;
}

.blog-banner--interno {
    background: linear-gradient(135deg, rgba(0, 212, 170, .08), rgba(0, 212, 170, .02));
    border-color: rgba(0, 212, 170, .2);
}

.blog-banner--publicidad {
    border-color: var(--border, #1c1c2e);
}

.blog-banner--patrocinado {
    border-color: rgba(255, 200, 50, .25);
    background: linear-gradient(135deg, rgba(255, 200, 50, .05), transparent);
}

.blog-banner-label {
    position: absolute;
    top: 10px;
    right: 12px;
    font-family: var(--mono, 'DM Mono', monospace);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-3, #5a5a72);
    opacity: .7;
}

.blog-banner-img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 14px;
}

.blog-banner-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.blog-banner-title {
    font-size: 16px;
    color: var(--text, #e8e8f0);
    line-height: 1.3;
}

.blog-banner-desc {
    font-size: 14px;
    color: var(--text-2, #a0a0b8);
    line-height: 1.55;
    margin: 0;
}

.blog-banner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    margin-top: 10px;
    border-radius: 10px;
    background: var(--green, #00d4aa);
    color: #00100c;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .15s, box-shadow .15s;
    align-self: flex-start;
}

.blog-banner-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 212, 170, .2);
}

/* Sidebar banners — más compactos */
.blog-article-sidebar .blog-banner {
    margin: 0;
    padding: 18px;
}

.blog-article-sidebar .blog-banner-title {
    font-size: 14px;
}

.blog-article-sidebar .blog-banner-desc {
    font-size: 13px;
}

.blog-article-sidebar .blog-banner-btn {
    font-size: 12px;
    padding: 8px 16px;
}

/* ─── CTA FINAL ───────────────────────────────────────────── */
.blog-cta-final {
    max-width: 780px;
    margin: 48px 0;
    padding: 42px 32px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 170, .12), rgba(255, 255, 255, .03));
    border: 1px solid rgba(0, 212, 170, .2);
    border-radius: 24px;
}

.blog-cta-final h2 {
    font-size: clamp(24px, 4vw, 36px);
    letter-spacing: -1.2px;
    margin: 0 0 12px;
    color: var(--text, #e8e8f0);
}

.blog-cta-final p {
    max-width: 560px;
    margin: 0 auto 22px;
    color: var(--text-2, #a0a0b8);
    line-height: 1.6;
    font-size: 15px;
}

.blog-cta-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.blog-cta-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 12px;
    background: var(--green, #00d4aa);
    color: #00100c;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: transform .15s, box-shadow .15s;
}

.blog-cta-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 212, 170, .2);
}

.blog-cta-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 12px;
    border: 1px solid var(--border, #1c1c2e);
    color: var(--text-2, #a0a0b8);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all .15s;
}

.blog-cta-btn-ghost:hover {
    border-color: var(--text-3, #5a5a72);
    color: var(--text, #e8e8f0);
}

/* ─── ARTÍCULOS RELACIONADOS ──────────────────────────────── */
.blog-related {
    margin: 48px 0 60px;
}

.blog-related-title {
    font-size: 24px;
    letter-spacing: -.8px;
    margin: 0 0 22px;
    color: var(--text, #e8e8f0);
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.blog-card--related .blog-card-img {
    height: 140px;
}

.blog-card--related .blog-card-title {
    font-size: 15px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 960px) {
    .blog-article-layout {
        grid-template-columns: 1fr;
    }

    .blog-article-sidebar {
        position: static;
        flex-direction: row;
        overflow-x: auto;
    }

    .blog-article-sidebar .blog-banner {
        min-width: 260px;
        flex-shrink: 0;
    }
}

@media (max-width: 860px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-hero {
        padding-top: 58px;
    }

    .blog-hero-title {
        letter-spacing: -1.6px;
    }
}

@media (max-width: 640px) {
    .blog-hero,
    .blog-main,
    .blog-article {
        --blog-px: 18px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-related-grid {
        grid-template-columns: 1fr;
    }

    .blog-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .blog-search-wrap {
        max-width: none;
    }

    .blog-cats {
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: 4px;
    }

    .blog-cats::-webkit-scrollbar {
        display: none;
    }

    .blog-card-img {
        height: 160px;
    }

    .blog-article-title {
        letter-spacing: -1px;
    }

    .blog-cta-final {
        padding: 28px 20px;
    }

    .blog-article-sidebar {
        flex-direction: column;
    }

    .blog-article-sidebar .blog-banner {
        min-width: 0;
    }
}

/* ─── TEMA CLARO ──────────────────────────────────────────── */
body[data-theme="claro"] .blog-card,
body[data-theme="sistema"] .blog-card {
    box-shadow: 0 2px 12px rgba(15, 23, 42, .06);
}

body[data-theme="claro"] .blog-card:hover,
body[data-theme="sistema"] .blog-card:hover {
    box-shadow: 0 8px 30px rgba(15, 23, 42, .1);
}

body[data-theme="claro"] .blog-banner--interno,
body[data-theme="sistema"] .blog-banner--interno {
    background: linear-gradient(135deg, rgba(0, 212, 170, .06), rgba(0, 212, 170, .02));
}

body[data-theme="claro"] .blog-cta-final,
body[data-theme="sistema"] .blog-cta-final {
    background: linear-gradient(135deg, rgba(0, 212, 170, .08), rgba(0, 0, 0, .02));
}

body[data-theme="claro"] .blog-article-content code,
body[data-theme="sistema"] .blog-article-content code {
    background: rgba(0, 0, 0, .05);
}