/* ==========================================================================
   Recursos / Guías de TRACKEA — estilos compartidos de la sección de contenido.
   Reusa los tokens de marca de las landings. Pensado para LECTURA (prosa) + SEO.
   ========================================================================== */
:root{--brand:#1E2783;--brand-dark:#141A5C;--accent:#0E8F6A;--orange:#FF6B35;
  --muted:#64748B;--line:#E2E8F0;--soft:#F8FAFC;--ink:#172033}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* Nav (igual que las landings) */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--brand);font-size:20px}
.nav-logo img{height:34px;border-radius:8px}
.nav-links{display:flex;gap:20px;align-items:center;font-size:13px;font-weight:700;color:#526179}
.nav-links a:hover{color:var(--brand)}
.nav-cta{background:var(--brand);color:#fff!important;padding:9px 16px;border-radius:8px}

/* Contenedores */
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.wrap-wide{max-width:1120px;margin:0 auto;padding:0 20px}

/* Encabezado de artículo */
.article-head{padding:54px 0 26px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#EEF2FF;color:var(--brand);border:1px solid #C7D2FE;border-radius:999px;padding:6px 13px;font-size:12px;font-weight:800;margin-bottom:16px}
.article-head h1{font-size:clamp(28px,4.2vw,44px);line-height:1.12;color:var(--brand);font-weight:900;letter-spacing:-.01em}
.article-head .dek{font-size:18px;color:var(--muted);margin-top:14px;max-width:70ch}
.meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:18px;font-size:13px;color:var(--muted)}
.meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1}

/* Prosa */
.prose{padding:34px 0 10px;font-size:17px}
.prose h2{font-size:clamp(22px,3vw,30px);color:var(--brand);font-weight:900;margin:38px 0 12px;line-height:1.2}
.prose h3{font-size:19px;color:var(--ink);font-weight:800;margin:26px 0 8px}
.prose p{margin:0 0 16px;color:#2A364C}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:#2A364C}
.prose li{margin:0 0 8px}
.prose strong{color:var(--ink)}
.prose a.link{color:var(--brand);font-weight:700;border-bottom:1px solid #C7D2FE}
.prose a.link:hover{border-bottom-color:var(--brand)}

/* Bloques destacados */
.callout{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:18px 20px;margin:22px 0}
.callout.warn{border-left-color:var(--orange);background:#FFF7ED;border-color:#FED7AA}
.callout p{margin:0;color:#2A364C}
.callout .k{display:block;font-weight:800;color:var(--brand);font-size:13px;letter-spacing:.02em;text-transform:uppercase;margin-bottom:6px}
.callout.warn .k{color:#9A3412}

/* Comparativa antes/después */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}
.ba>div{border:1px solid var(--line);border-radius:10px;padding:18px 20px;background:#fff}
.ba .before{background:#FFF7ED;border-color:#FED7AA}
.ba h4{font-size:14px;font-weight:800;margin-bottom:10px;text-transform:uppercase;letter-spacing:.03em}
.ba .before h4{color:#9A3412}
.ba .after{border-left:4px solid var(--accent)}
.ba .after h4{color:var(--accent)}
.ba ul{margin:0;padding-left:18px;font-size:15px;color:#2A364C}
.ba li{margin-bottom:7px}

/* Checklist */
.check{list-style:none;padding:0;margin:18px 0}
.check li{position:relative;padding:10px 0 10px 32px;border-bottom:1px solid var(--line);font-size:16px}
.check li:before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center}

/* CTA suave */
.cta-box{margin:40px 0 10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:16px;padding:30px 28px;text-align:center}
.cta-box h3{font-size:22px;font-weight:900;margin-bottom:8px;color:#fff}
.cta-box p{color:#DDE3FF;margin-bottom:18px;font-size:15px}
.cta-box .btn{display:inline-flex;align-items:center;justify-content:center;background:var(--orange);color:#fff;font-weight:800;padding:13px 24px;border-radius:10px;transition:.2s}
.cta-box .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,53,.3)}
.cta-box .sub{display:block;margin-top:12px;font-size:13px;color:#C7CFF5}
.cta-box .sub a{color:#fff;border-bottom:1px solid rgba(255,255,255,.5)}

/* FAQ */
.faq{max-width:820px;margin:30px auto 0;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.faq summary{cursor:pointer;color:var(--brand);font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{color:var(--muted);font-size:15px;margin-top:10px}

/* Relacionados / enlaces internos */
.related{margin:44px 0;padding:24px 0;border-top:1px solid var(--line)}
.related h2{font-size:18px;color:var(--brand);font-weight:900;margin-bottom:14px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.related-grid a{display:block;border:1px solid var(--line);border-radius:10px;padding:16px 18px;transition:.2s}
.related-grid a:hover{border-color:var(--brand);box-shadow:0 10px 24px rgba(30,39,131,.08);transform:translateY(-2px)}
.related-grid .t{color:var(--brand);font-weight:800;font-size:15px;margin-bottom:4px}
.related-grid .d{color:var(--muted);font-size:13px}

/* Pilar (índice de recursos) */
.hub-head{padding:66px 0 40px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff}
.hub-head h1{font-size:clamp(30px,4.5vw,46px);font-weight:900;line-height:1.1;letter-spacing:-.01em}
.hub-head p{font-size:18px;color:#DDE3FF;margin-top:14px;max-width:65ch}
.hub-section{padding:44px 0}
.hub-section h2{font-size:22px;color:var(--brand);font-weight:900;margin-bottom:6px}
.hub-section .lead{color:var(--muted);margin-bottom:22px}
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.post-card{border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff;transition:.2s;display:flex;flex-direction:column}
.post-card:hover{border-color:var(--brand);box-shadow:0 14px 34px rgba(30,39,131,.1);transform:translateY(-3px)}
.post-card .tag{align-self:flex-start;background:#EEF2FF;color:var(--brand);border:1px solid #C7D2FE;border-radius:999px;padding:4px 11px;font-size:11px;font-weight:800;margin-bottom:12px}
.post-card h3{color:var(--brand);font-size:19px;font-weight:900;line-height:1.25;margin-bottom:8px}
.post-card p{color:var(--muted);font-size:14px;flex:1}
.post-card .go{margin-top:14px;color:var(--orange);font-weight:800;font-size:14px}
.post-card.soon{opacity:.72}
.post-card.soon .tag{background:#F1F5F9;color:#64748B;border-color:#E2E8F0}

/* Footer */
footer{background:#0F172A;color:#CBD5E1;text-align:center;padding:30px 20px;font-size:13px;margin-top:40px}
.footer-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.footer-links a:hover{color:#fff}

/* Flotante WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;width:54px;height:54px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(37,211,102,.35);z-index:99}
.wa-float svg{width:28px;height:28px;fill:#fff}

@media(max-width:720px){
  .nav-links{display:none}
  .ba{grid-template-columns:1fr}
  .article-head{padding:36px 0 22px}
  .prose{font-size:16px}
}