/* ============================================================
   BLOG RRSG — estilos (coherentes con el sitio)
   Reutiliza la paleta del sitio. Cárgalo después del CSS base.
   ============================================================ */
:root{
  --bg:#ffffff; --fg:#0b1022; --muted:#5b6574; --line:#e9eef5;
  --accent:#0b5cff; --accent-2:#2143ff; --card:#f7f9fc;
  --warm:#f97316; --warm-2:#ea580c; --warm-soft:#fff4ec; --warm-line:#fed7aa;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.65}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Cabecera del blog (hero) */
.blog-hero{background:linear-gradient(180deg,#f3f7ff 0%,#ffffff 100%);padding:54px 0 36px;border-bottom:1px solid var(--line)}
.blog-hero h1{font-size:2.1rem;margin:0 0 10px;letter-spacing:-.02em}
.blog-hero p{font-size:1.05rem;color:var(--muted);max-width:680px;margin:0}

/* Rejilla de artículos (índice) */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;padding:40px 0}
@media(max-width:760px){.post-grid{grid-template-columns:1fr;padding:28px 0}}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(11,16,34,.08)}
.post-card .thumb{display:block;aspect-ratio:16/9;border-bottom:1px solid var(--line);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.post-card .body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.post-card .cat{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--warm-2);margin-bottom:8px}
.post-card h2{font-size:1.18rem;margin:0 0 8px;line-height:1.35}
.post-card h2 a{color:var(--fg);text-decoration:none}
.post-card h2 a:hover{color:var(--accent)}
.post-card .excerpt{color:var(--muted);font-size:.94rem;margin:0 0 16px;flex:1}
.post-card .meta{font-size:.82rem;color:var(--muted);display:flex;gap:10px;align-items:center}
.post-card .readmore{margin-top:14px;font-weight:600;color:var(--accent);text-decoration:none;font-size:.92rem}

/* Artículo individual */
.article{max-width:760px;margin:0 auto;padding:0 20px}
.article-head{padding:44px 0 22px}
.article-head .cat{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--warm-2);margin-bottom:12px}
.article-head h1{font-size:2.25rem;line-height:1.2;margin:0 0 16px;letter-spacing:-.02em}
.article-head .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.92rem;flex-wrap:wrap}
.article-head .meta img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.article-hero-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;margin:8px 0 30px;border:1px solid var(--line)}

.article-body{font-size:1.07rem;color:#1f2733}
.article-body h2{font-size:1.5rem;margin:38px 0 14px;letter-spacing:-.01em}
.article-body h3{font-size:1.2rem;margin:28px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body li{margin:0 0 8px}
.article-body a{color:var(--accent);text-decoration:underline}
.article-body blockquote{margin:24px 0;padding:16px 22px;border-left:4px solid var(--warm);background:var(--warm-soft);border-radius:0 10px 10px 0;color:#3a2a1a}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:18px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.95rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--card);font-weight:700}
.article-body .key{background:#f3f7ff;border:1px solid #d7e3ff;border-radius:12px;padding:18px 20px;margin:22px 0}
.article-body .key b{color:var(--accent)}

/* Caja de captura de lead (CTA al final del artículo) */
.lead-capture{background:linear-gradient(135deg,#0b1022,#15203f);color:#fff;border-radius:18px;padding:32px 30px;margin:40px 0}
.lead-capture h3{font-size:1.4rem;margin:0 0 10px;color:#fff}
.lead-capture p{color:#c7d2e6;margin:0 0 20px;font-size:1rem}
.lead-capture .btn{display:inline-block;background:var(--warm);color:#fff;font-weight:700;padding:13px 26px;border-radius:10px;text-decoration:none;transition:background .15s}
.lead-capture .btn:hover{background:var(--warm-2)}
.lead-capture .btn.ghost{background:transparent;border:1px solid #ffffff44;margin-left:10px}
@media(max-width:520px){.lead-capture .btn.ghost{margin-left:0;margin-top:10px;display:block;text-align:center}}

/* Bio del autor */
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin:36px 0}
.author-box img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none}
.author-box h4{margin:0 0 4px;font-size:1.05rem}
.author-box .role{color:var(--warm-2);font-weight:600;font-size:.88rem;margin-bottom:8px}
.author-box p{margin:0;color:var(--muted);font-size:.92rem}

/* Artículos relacionados */
.related{border-top:1px solid var(--line);padding:34px 0 10px;margin-top:30px}
.related h3{font-size:1.2rem;margin:0 0 18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.related-grid{grid-template-columns:1fr}}
.related-grid a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--fg);font-weight:600;font-size:.95rem;transition:border-color .15s}
.related-grid a:hover{border-color:var(--accent)}
.related-grid a .c{font-size:.72rem;text-transform:uppercase;color:var(--warm-2);font-weight:700;display:block;margin-bottom:6px}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* ============================================================
   MEJORAS NIVEL SUPERIOR
   ============================================================ */

/* Caja de suscripción (newsletter) */
.subscribe{background:linear-gradient(135deg,#0b5cff,#2143ff);color:#fff;border-radius:18px;padding:34px 32px;margin:40px 0;text-align:center}
.subscribe h3{font-size:1.45rem;margin:0 0 8px;color:#fff}
.subscribe p{color:#dce6ff;margin:0 auto 22px;max-width:480px;font-size:1rem}
.subscribe form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap}
.subscribe input[type=email]{flex:1;min-width:200px;padding:13px 16px;border:none;border-radius:10px;font-size:1rem;font-family:inherit}
.subscribe button{background:var(--warm);color:#fff;border:none;border-radius:10px;padding:13px 24px;font-weight:700;font-size:1rem;cursor:pointer;transition:background .15s;font-family:inherit}
.subscribe button:hover{background:var(--warm-2)}
.subscribe .privacy{font-size:.78rem;color:color:#b9c8ee;margin:14px 0 0}
.subscribe .privacy a{color:#fff;text-decoration:underline}
.subscribe .ok-msg{display:none;font-size:1.05rem;margin-top:14px}

/* Botones de compartir */
.share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0}
.share span.lbl{font-weight:600;color:var(--muted);font-size:.9rem;margin-right:4px}
.share a,.share button{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--fg);text-decoration:none;font-size:.88rem;font-weight:600;cursor:pointer;font-family:inherit;transition:border-color .15s,background .15s}
.share a:hover,.share button:hover{border-color:var(--accent);background:#f2f5fb}

/* Tabla de contenidos */
.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin:8px 0 30px}
.toc h2{font-size:1rem!important;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 12px!important}
.toc ol{margin:0;padding-left:20px}
.toc li{margin:7px 0;line-height:1.4}
.toc a{color:var(--accent);text-decoration:none}
.toc a:hover{text-decoration:underline}
.article-body h2{scroll-margin-top:80px}

/* Filtros de categoría (índice) */
.cat-filter{display:flex;gap:10px;flex-wrap:wrap;padding:8px 0 0}
.cat-filter a{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--fg);text-decoration:none;font-size:.88rem;font-weight:600;transition:all .15s}
.cat-filter a:hover,.cat-filter a.active{background:var(--accent);color:#fff;border-color:var(--accent)}