/* =============================================
   FV Studio Digital — Estilos del Blog
   ============================================= */

:root{
  --azul:#1A56A0;
  --azul-oscuro:#102A4C;
  --azul-claro:#7BB3F0;
  --azul-soft:#E7F0FB;
  --negro:#0E1726;
  --gris-90:#1F2A3A;
  --gris-60:#5B6776;
  --gris-30:#C9D1DA;
  --gris-15:#E6EAEF;
  --gris-08:#F2F4F7;
  --bg:#FAFBFC;
  --blanco:#FFFFFF;
  --amarillo:#FFD43B;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
section[id], header[id]{scroll-margin-top:80px}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);
  color:var(--negro);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 22px;
}
.container-narrow{
  width:100%;
  max-width:760px;
  margin:0 auto;
  padding:0 22px;
}

/* ========== NAV (idéntica a la home) ========== */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  background:rgba(250,251,252,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  z-index:90;
  border-bottom:1px solid var(--gris-15);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 22px;
  max-width:1180px;
  margin:0 auto;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:15px;
  color:var(--negro);
}
.logo-mark{
  width:38px;height:38px;
  border-radius:9px;
  display:block;
  object-fit:cover;
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text small{font-size:11px;color:var(--gris-60);font-weight:500;letter-spacing:.3px}

.nav-links{
  display:flex;
  gap:24px;
  align-items:center;
  list-style:none;
}
.nav-links a{
  font-size:14px;
  color:var(--gris-90);
  font-weight:500;
  transition:color .15s ease;
}
.nav-links a:hover{color:var(--azul)}
.nav-links a.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  background:var(--azul);
  color:#fff;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  transition:background .2s ease, transform .15s ease;
  box-shadow:0 4px 0 var(--azul-oscuro);
}
.nav-links a.nav-cta:hover{background:var(--azul-oscuro);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none}

@media (max-width:880px){
  .nav-links{
    position:fixed;
    top:68px;left:0;right:0;
    background:#fff;
    flex-direction:column;
    gap:0;
    padding:10px 0;
    border-bottom:1px solid var(--gris-15);
    transform:translateY(-150%);
    transition:transform .25s ease;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:14px 22px;border-bottom:1px solid var(--gris-08)}
  .nav-cta-wrap{display:none}
  .nav-toggle{
    display:grid;
    place-items:center;
    width:40px;height:40px;
    border:1px solid var(--gris-15);
    border-radius:8px;
    background:none;
    cursor:pointer;
  }
  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    display:block;
    width:18px;height:2px;
    background:var(--negro);
    position:relative;
  }
  .nav-toggle span::before{position:absolute;top:-6px;left:0}
  .nav-toggle span::after{position:absolute;top:6px;left:0}
}

/* ========== BLOG INDEX ========== */
.blog-hero{
  padding:140px 0 60px;
  background:#fff;
  border-bottom:1px solid var(--gris-15);
  position:relative;
  overflow:hidden;
}
.blog-hero::before{
  content:"";
  position:absolute;
  top:80px;right:-180px;
  width:520px;height:520px;
  background:radial-gradient(circle, var(--azul-soft) 1.5px, transparent 1.5px) 0 0/22px 22px;
  opacity:.6;
  pointer-events:none;
}
.blog-hero-inner{position:relative;z-index:1}
.blog-hero h1{
  font-size:clamp(36px,5.5vw,58px);
  font-weight:800;
  letter-spacing:-1.5px;
  line-height:1.05;
  margin-bottom:18px;
  max-width:720px;
}
.blog-hero h1 .marker{
  color:var(--azul);
  position:relative;
  display:inline-block;
}
.blog-hero h1 .marker svg{
  position:absolute;
  left:-4px;right:-4px;bottom:-8px;
  width:calc(100% + 8px);
  height:14px;
  stroke:var(--azul-claro);
  stroke-width:6;
  fill:none;
  stroke-linecap:round;
}
.blog-hero p{
  font-size:18px;
  color:var(--gris-60);
  max-width:600px;
  line-height:1.6;
}

.blog-list{padding:60px 0 100px}
.blog-list-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.post-card{
  background:#fff;
  border:1px solid var(--gris-15);
  border-radius:14px;
  padding:32px 30px 28px;
  transition:border-color .2s ease, transform .25s ease, box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.post-card:hover{
  border-color:var(--azul);
  transform:translateY(-3px);
  box-shadow:0 16px 40px -22px rgba(15,42,76,.18);
}
.post-card .post-meta{
  font-size:12px;
  font-weight:600;
  color:var(--azul);
  letter-spacing:1.2px;
  text-transform:uppercase;
  margin-bottom:14px;
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.post-card .post-meta .dot{
  width:3px;height:3px;
  background:var(--gris-30);
  border-radius:50%;
}
.post-card h2{
  font-size:22px;
  font-weight:800;
  letter-spacing:-.5px;
  line-height:1.2;
  margin-bottom:12px;
  color:var(--negro);
  flex:1;
}
.post-card p{
  color:var(--gris-60);
  font-size:15px;
  line-height:1.6;
  margin-bottom:20px;
}
.post-card .post-link{
  font-size:14px;
  font-weight:600;
  color:var(--azul);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s ease;
  align-self:flex-start;
}
.post-card .post-link:hover{gap:10px}

@media (max-width:880px){
  .blog-list-grid{grid-template-columns:1fr;gap:18px}
  .blog-hero{padding:110px 0 40px}
  .blog-list{padding:40px 0 70px}
}

/* ========== ARTÍCULO ========== */
.breadcrumb{
  padding:100px 0 0;
  font-size:13px;
  color:var(--gris-60);
}
.breadcrumb a{color:var(--gris-60);transition:color .15s}
.breadcrumb a:hover{color:var(--azul)}
.breadcrumb-sep{margin:0 8px;color:var(--gris-30)}
.breadcrumb [aria-current="page"]{color:var(--negro)}

.article-header{
  padding:30px 0 50px;
  border-bottom:1px solid var(--gris-15);
}
.article-meta{
  font-size:12px;
  font-weight:600;
  color:var(--azul);
  letter-spacing:1.2px;
  text-transform:uppercase;
  margin-bottom:20px;
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
}
.article-meta .dot{
  width:3px;height:3px;
  background:var(--gris-30);
  border-radius:50%;
}
.article-meta .meta-light{color:var(--gris-60);font-weight:500;letter-spacing:.5px;text-transform:none}
.article-header h1{
  font-size:clamp(32px,5vw,52px);
  font-weight:800;
  letter-spacing:-1.5px;
  line-height:1.08;
  margin-bottom:24px;
  max-width:780px;
}
.article-lead{
  font-size:19px;
  color:var(--gris-60);
  line-height:1.6;
  max-width:680px;
}
.article-author{
  margin-top:28px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14px;
}
.article-author .avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--azul-oscuro), var(--azul));
  display:grid;
  place-items:center;
  color:#fff;
  font-weight:800;
  font-size:14px;
  letter-spacing:-.5px;
}
.article-author strong{font-weight:600;color:var(--negro)}
.article-author span{color:var(--gris-60);display:block;font-size:12.5px}

/* Cuerpo del artículo */
.article-body{
  padding:50px 0 80px;
  font-size:17.5px;
  line-height:1.75;
  color:var(--gris-90);
}
.article-body > * + *{margin-top:24px}
.article-body h2{
  font-size:28px;
  font-weight:800;
  letter-spacing:-.8px;
  line-height:1.2;
  color:var(--negro);
  margin-top:52px;
  margin-bottom:18px;
  scroll-margin-top:80px;
}
.article-body h2 + p{margin-top:0}
.article-body h3{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.4px;
  line-height:1.25;
  color:var(--negro);
  margin-top:38px;
  margin-bottom:14px;
}
.article-body h3 + p, .article-body h3 + ul, .article-body h3 + ol{margin-top:0}
.article-body strong{color:var(--negro);font-weight:700}
.article-body em{font-style:italic;color:var(--azul)}
.article-body a{
  color:var(--azul);
  font-weight:600;
  border-bottom:1px solid var(--azul-claro);
  transition:border-color .15s, color .15s;
}
.article-body a:hover{color:var(--azul-oscuro);border-bottom-color:var(--azul-oscuro)}
.article-body ul, .article-body ol{
  padding-left:0;
  list-style:none;
}
.article-body ul li, .article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;top:13px;
  width:14px;height:2px;
  background:var(--azul);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item) ".";
  position:absolute;
  left:0;top:0;
  color:var(--azul);
  font-weight:700;
}
.article-body blockquote{
  border-left:4px solid var(--azul);
  padding:6px 0 6px 24px;
  margin:32px 0;
  font-style:italic;
  font-size:19px;
  color:var(--negro);
  line-height:1.55;
}

/* Caja CTA inline */
.inline-cta{
  background:var(--azul-oscuro);
  color:#fff;
  border-radius:14px;
  padding:32px 30px;
  margin:42px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.inline-cta::before{
  content:"";
  position:absolute;
  top:-30px;right:-30px;
  width:140px;height:140px;
  background:radial-gradient(circle, rgba(123,179,240,.18) 0%, transparent 60%);
  pointer-events:none;
}
.inline-cta .cta-text{flex:1;min-width:240px;position:relative;z-index:1}
.inline-cta strong{
  display:block;
  font-size:19px;
  font-weight:700;
  letter-spacing:-.3px;
  margin-bottom:6px;
  color:#fff;
}
.inline-cta p{
  font-size:14.5px;
  color:#B8C7DB;
  margin:0;
  line-height:1.5;
}
.inline-cta .cta-btn{
  background:var(--amarillo);
  color:var(--azul-oscuro);
  padding:13px 22px;
  border-radius:8px;
  font-size:14.5px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:transform .15s ease, box-shadow .2s ease;
  box-shadow:0 5px 0 #C9A50C;
  white-space:nowrap;
  position:relative;
  z-index:1;
}
.inline-cta .cta-btn:hover{transform:translateY(-1px);box-shadow:0 6px 0 #C9A50C}
.inline-cta .cta-btn:active{transform:translateY(2px);box-shadow:0 2px 0 #C9A50C}

/* Relacionados */
.related{
  background:var(--gris-08);
  border-top:1px solid var(--gris-15);
  border-bottom:1px solid var(--gris-15);
  padding:70px 0;
}
.related h2{
  font-size:26px;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:28px;
  color:var(--negro);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.related-card{
  background:#fff;
  border:1px solid var(--gris-15);
  border-radius:12px;
  padding:24px 22px 22px;
  transition:border-color .2s ease, transform .2s ease;
}
.related-card:hover{
  border-color:var(--azul);
  transform:translateY(-2px);
}
.related-card .meta{
  font-size:11px;
  font-weight:600;
  color:var(--azul);
  text-transform:uppercase;
  letter-spacing:1.2px;
  margin-bottom:10px;
  display:block;
}
.related-card h3{
  font-size:16px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  color:var(--negro);
}
@media (max-width:880px){
  .related-grid{grid-template-columns:1fr;gap:12px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:24px;margin-top:40px}
  .article-body h3{font-size:19px;margin-top:30px}
  .inline-cta{padding:26px 22px;flex-direction:column;align-items:flex-start;text-align:left}
  .inline-cta .cta-btn{align-self:stretch;justify-content:center}
}

/* ========== CTA banner final ========== */
.banner-cta{
  background:linear-gradient(180deg, var(--azul-oscuro) 0%, #0B1F3D 100%);
  color:#fff;
  padding:80px 0;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.banner-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle, rgba(123,179,240,.08) 1px, transparent 1px) 0 0/30px 30px;
  pointer-events:none;
}
.banner-cta-inner{position:relative;z-index:1;max-width:680px;margin:0 auto;padding:0 22px}
.banner-cta h2{
  font-size:clamp(28px,4.5vw,42px);
  font-weight:800;
  letter-spacing:-1px;
  line-height:1.1;
  margin-bottom:18px;
}
.banner-cta h2 em{font-style:normal;color:var(--azul-claro)}
.banner-cta p{
  font-size:17px;
  color:#B8C7DB;
  margin-bottom:32px;
}
.banner-cta .btn-yellow{
  background:var(--amarillo);
  color:var(--azul-oscuro);
  padding:14px 26px;
  border-radius:8px;
  font-size:15px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition:transform .15s ease, box-shadow .2s ease;
  box-shadow:0 6px 0 #C9A50C;
}
.banner-cta .btn-yellow:hover{transform:translateY(-1px);box-shadow:0 7px 0 #C9A50C}
.banner-cta .btn-yellow:active{transform:translateY(2px);box-shadow:0 2px 0 #C9A50C}

/* ========== Footer ========== */
footer{
  background:var(--negro);
  color:#A8B5C7;
  padding:36px 0 30px;
  font-size:13.5px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
footer a:hover{color:#fff}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}

/* ========== WhatsApp flotante ========== */
.wa-float{
  position:fixed;
  bottom:22px;right:22px;
  width:58px;height:58px;
  background:#25D366;
  border-radius:50%;
  display:grid;
  place-items:center;
  box-shadow:0 12px 24px -8px rgba(37,211,102,.55), 0 0 0 0 rgba(37,211,102,.5);
  z-index:80;
  transition:transform .2s ease;
  animation:wa-pulse 2.5s infinite;
}
@keyframes wa-pulse{
  0%,100%{box-shadow:0 12px 24px -8px rgba(37,211,102,.55), 0 0 0 0 rgba(37,211,102,.4)}
  50%{box-shadow:0 12px 24px -8px rgba(37,211,102,.55), 0 0 0 14px rgba(37,211,102,0)}
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* ========== Accesibilidad ========== */
.skip-to-content{
  position:absolute;
  top:-44px;
  left:0;
  background:var(--azul);
  color:#fff;
  padding:10px 18px;
  font-size:14px;
  font-weight:600;
  z-index:100;
  border-radius:0 0 8px 0;
  transition:top .2s ease;
}
.skip-to-content:focus{top:0;outline:none}

*:focus-visible{
  outline:2px solid var(--azul);
  outline-offset:3px;
  border-radius:4px;
}
.btn-yellow:focus-visible,
.lp-ctas .btn-primary:focus-visible{
  outline-color:var(--amarillo);
  outline-offset:4px;
}