/* TusWebs · blog.css — estilo limpio y unificado con la home */
:root {
  --blue:#2563eb; --blue-dark:#1d4ed8; --blue-deep:#1e3a8a;
  --blue-light:#eff6ff; --text:#0f0f0f; --text-muted:#6b7280;
  --text-faint:#9ca3af; --border:#e5e7eb; --surface:#fff;
  --surface-off:#f9fafb; --shadow:0 4px 24px rgba(0,0,0,.08);
  --radius:16px; --ease:cubic-bezier(.4,0,.2,1);
  --font-display:'Outfit',sans-serif; --font-body:'DM Sans',sans-serif;
}
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-body);color:var(--text);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}

/* === NAVBAR — misma que la home, fila única === */
.navbar {
  position:sticky;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s var(--ease);
}
.navbar.scrolled{box-shadow:var(--shadow);}
.nav-inner {
  max-width:1280px;margin:0 auto;
  padding:0 3rem;
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
/* Logo — SVG TW + texto tus·webs */
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-text{font-family:var(--font-display);font-size:18px;font-weight:300;color:var(--text);letter-spacing:.02em;}
.logo-text strong{font-weight:600;color:var(--blue);}
/* Lado derecho */
.nav-blog-right{display:flex;align-items:center;gap:.75rem;}
.nav-back-pill {
  display:flex;align-items:center;gap:.45rem;
  padding:6px 14px;border:1.5px solid var(--border);
  border-radius:100px;font-size:.82rem;font-weight:500;
  color:var(--text-muted);transition:all .2s var(--ease);white-space:nowrap;
}
.nav-back-pill:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-light);}
.nav-back-pill i{font-size:.72rem;}
.nav-cta-blog {
  display:flex;align-items:center;gap:.45rem;
  padding:7px 18px;background:var(--blue);color:#fff;
  border-radius:100px;font-family:var(--font-display);
  font-size:.82rem;font-weight:600;
  transition:all .2s var(--ease);white-space:nowrap;
}
.nav-cta-blog:hover{background:var(--blue-dark);transform:translateY(-1px);}

/* Barra de progreso de lectura */
.reading-bar{position:fixed;top:68px;left:0;right:0;z-index:999;height:3px;}
.reading-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--blue),#60a5fa);transition:width .1s linear;}

/* === HERO === */
.article-hero {
  background:var(--blue-deep);
  padding:5rem 2rem 4rem;text-align:center;
  position:relative;overflow:hidden;
}
.article-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 60% at 70% 30%,rgba(37,99,235,.4),transparent);
  pointer-events:none;
}
.article-hero .tag{
  display:inline-block;background:rgba(255,255,255,.1);color:#93c5fd;
  font-family:var(--font-display);font-size:.68rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  padding:5px 16px;border-radius:100px;margin-bottom:1.5rem;
  border:1px solid rgba(255,255,255,.1);position:relative;
}
.article-hero h1{
  font-family:var(--font-display);font-size:clamp(1.9rem,4vw,3rem);
  font-weight:300;color:#fff;line-height:1.12;
  max-width:780px;margin:0 auto 1.25rem;position:relative;
}
.article-hero p{
  font-size:1rem;color:rgba(255,255,255,.55);
  max-width:580px;margin:0 auto 2rem;font-weight:300;line-height:1.65;position:relative;
}
.article-meta{
  display:flex;align-items:center;justify-content:center;
  gap:1.5rem;flex-wrap:wrap;font-size:.8rem;color:rgba(255,255,255,.35);position:relative;
}
.article-meta span{display:flex;align-items:center;gap:.4rem;}

/* === CUERPO === */
.article-body{max-width:740px;margin:0 auto;padding:4.5rem 2rem 5rem;}
.article-body h2{
  font-family:var(--font-display);font-size:1.5rem;font-weight:400;
  color:var(--text);margin:3rem 0 1rem;padding-bottom:.75rem;
  border-bottom:1px solid var(--border);
}
.article-body h3{font-family:var(--font-display);font-size:1.15rem;font-weight:500;color:var(--text);margin:2rem 0 .75rem;}
.article-body p{font-size:1rem;color:#374151;line-height:1.85;margin-bottom:1.4rem;}
.article-body strong{font-weight:600;color:var(--text);}
.article-body a{color:var(--blue);text-decoration:underline;text-decoration-color:rgba(37,99,235,.3);}
.article-body a:hover{text-decoration-color:var(--blue);}
.article-body ul,.article-body ol{margin:1rem 0 1.75rem 1.5rem;}
.article-body li{font-size:1rem;color:#374151;line-height:1.8;margin-bottom:.6rem;}
.article-body li::marker{color:var(--blue);}

/* Cajas */
.highlight-box{background:var(--blue-light);border-left:3px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0;padding:1.5rem 1.75rem;margin:2.5rem 0;}
.highlight-box p{margin:0;color:#1e40af;font-size:.95rem;line-height:1.7;}
.highlight-box strong{color:#1d4ed8;}
.warning-box{background:#fef3c7;border-left:3px solid #f59e0b;border-radius:0 var(--radius) var(--radius) 0;padding:1.5rem 1.75rem;margin:2.5rem 0;}
.warning-box p{margin:0;color:#92400e;font-size:.95rem;line-height:1.7;}

/* CTA */
.cta-block{background:var(--blue-deep);border-radius:var(--radius);padding:3rem;text-align:center;margin:3.5rem 0;position:relative;overflow:hidden;}
.cta-block::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 80% 20%,rgba(37,99,235,.5),transparent);pointer-events:none;}
.cta-block h3{font-family:var(--font-display);font-size:1.65rem;font-weight:300;color:#fff;margin-bottom:.75rem;position:relative;}
.cta-block p{color:rgba(255,255,255,.55);font-size:.95rem;margin-bottom:1.75rem;position:relative;}
.cta-btn{display:inline-flex;align-items:center;gap:.75rem;padding:.9rem 2.25rem;background:var(--blue);color:#fff;font-family:var(--font-display);font-weight:600;font-size:.95rem;border-radius:100px;transition:all .2s var(--ease);position:relative;}
.cta-btn:hover{background:var(--blue-dark);transform:translateY(-2px);}

/* Internal links */
.internal-links-block{margin:2.5rem 0;padding:1.25rem 1.5rem;background:var(--surface-off);border-radius:12px;border:1px solid var(--border);}
.internal-links-block p{margin:0;font-size:.88rem;color:var(--text-muted);line-height:1.7;}
.internal-links-block a{color:var(--blue);text-decoration:underline;text-decoration-color:rgba(37,99,235,.3);}
.internal-links-block a:hover{text-decoration-color:var(--blue);}

/* Related */
.related{max-width:740px;margin:0 auto;padding:0 2rem 6rem;}
.related h2{font-family:var(--font-display);font-size:1.1rem;font-weight:500;color:var(--text-muted);margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--border);}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.related-card{background:var(--surface-off);border:1px solid var(--border);border-radius:14px;padding:1.5rem;transition:all .2s var(--ease);}
.related-card:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.07);}
.related-card .rc-tag{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:.5rem;display:block;}
.related-card h3{font-family:var(--font-display);font-size:.92rem;font-weight:500;color:var(--text);line-height:1.35;}

/* Footer */
.site-footer{background:var(--blue-deep);padding:2.5rem 2rem;}
.site-footer-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding:0 1rem;}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo-text{font-family:var(--font-display);font-size:16px;font-weight:300;color:#fff;}
.footer-logo-text strong{font-weight:600;color:#93c5fd;}
.footer-copy{font-size:.8rem;color:rgba(255,255,255,.3);}
.footer-links{display:flex;gap:1.5rem;}
.footer-links a{font-size:.82rem;color:rgba(255,255,255,.45);transition:color .2s;}
.footer-links a:hover{color:#fff;}

/* Responsive */
@media(max-width:768px){
  .nav-inner{padding:0 1.25rem;height:60px;}
  .nav-cta-blog{display:none;}
}
@media(max-width:600px){
  .article-hero{padding:4rem 1.25rem 3rem;}
  .article-body{padding:3rem 1.25rem 4rem;}
  .related,.internal-links-block{padding-left:1.25rem;padding-right:1.25rem;}
  .related-grid{grid-template-columns:1fr;}
  .cta-block{padding:2rem 1.5rem;}
  .site-footer-inner{flex-direction:column;text-align:center;}
  .footer-links{justify-content:center;}
}