/* ============================================================
   ISAP — Hoja de estilos para artículos del blog
   Comparte los tokens de la landing (index4.html)
   Ruta de uso: <link rel="stylesheet" href="../assets/blog.css">
   ============================================================ */

:root{
  --navy-900:#0F1B36;
  --navy-800:#152647;
  --navy-700:#1D3765;
  --navy-600:#274A85;
  --gold:#F2A93C;
  --gold-dark:#D98F1F;
  --gold-light:#FFD98A;
  --white:#FFFFFF;
  --bg-soft:#F5F7FB;
  --text:#1B1F2A;
  --text-muted:#5B6472;
  --border:rgba(15,27,54,0.10);
  --radius:14px;
  --shadow:0 10px 30px rgba(15,27,54,0.12);
  --container:1160px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;color:var(--navy-800);line-height:1.25;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--navy-600);text-decoration:none;}
a:hover{color:var(--gold-dark);}
ul,ol{list-style:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:1rem;
  border:2px solid transparent;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-gold{background:var(--gold);color:var(--navy-900);box-shadow:0 8px 20px rgba(242,169,60,0.4);}
.btn-gold:hover{background:var(--gold-dark);color:var(--navy-900);}
.btn-navy{background:var(--navy-800);color:var(--white);}
.btn-navy:hover{background:var(--navy-700);color:var(--white);}
.btn-outline{background:transparent;border-color:var(--navy-800);color:var(--navy-800);}
.btn-outline:hover{background:rgba(21,38,71,0.06);color:var(--navy-800);}

/* ===== HEADER ===== */
header{
  position:sticky;top:0;z-index:100;
  background:var(--white);
  box-shadow:0 2px 16px rgba(15,27,54,0.06);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:var(--container);margin:0 auto;
}
.logo img{height:38px;width:auto;}
nav ul{display:flex;gap:26px;align-items:center;}
nav a{font-weight:500;font-size:0.95rem;color:var(--navy-800);transition:color .2s;}
nav a:hover{color:var(--gold-dark);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .btn{padding:10px 20px;font-size:0.9rem;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;}
.menu-toggle span{width:26px;height:3px;background:var(--navy-800);border-radius:2px;}

/* ===== BREADCRUMBS ===== */
.breadcrumbs{background:var(--bg-soft);padding:14px 0;font-size:0.85rem;color:var(--text-muted);}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumbs li::after{content:"›";margin-left:8px;color:var(--text-muted);}
.breadcrumbs li:last-child::after{content:"";}
.breadcrumbs a{color:var(--navy-600);}

/* ===== HERO DEL ARTÍCULO ===== */
.post-hero{
  background:linear-gradient(135deg,var(--navy-900) 0%, var(--navy-700) 100%);
  color:var(--white);padding:64px 24px 72px;position:relative;overflow:hidden;
}
.post-hero::before{
  content:"";position:absolute;top:-140px;right:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(242,169,60,0.30), transparent 70%);
}
.post-hero .container{position:relative;z-index:2;max-width:860px;}
.post-hero h1{color:var(--white);font-size:2.5rem;font-weight:800;margin-bottom:18px;}
.post-hero h1 span{color:var(--gold);}
.post-hero .lead{font-size:1.15rem;color:rgba(255,255,255,0.86);max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(242,169,60,0.18);color:var(--gold-light);
  font-weight:600;font-size:0.82rem;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.post-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;
  font-size:0.88rem;color:rgba(255,255,255,0.72);
}
.post-meta li{display:flex;align-items:center;gap:7px;}
.back-to-blog{margin-bottom:14px;font-size:0.9rem;}
.back-to-blog a{color:var(--gold-light);font-weight:500;}
.back-to-blog a:hover{color:var(--gold);}

/* ===== ÍNDICE DEL BLOG ===== */
.blog-index{max-width:900px;margin:0 auto;padding:56px 24px 80px;}
.blog-cat{
  font-family:'Poppins',sans-serif;font-size:0.85rem;font-weight:600;
  text-transform:uppercase;letter-spacing:0.08em;color:var(--gold-dark);
  margin:48px 0 20px;padding-bottom:10px;border-bottom:2px solid var(--border);
}
.blog-cat:first-of-type{margin-top:0;}
.post-list{display:flex;flex-direction:column;gap:20px;}
.post-item{
  display:block;background:var(--white);
  border:1px solid var(--border);border-left:5px solid var(--gold);
  border-radius:var(--radius);padding:26px 28px;
  box-shadow:0 6px 18px rgba(15,27,54,0.05);
  transition:transform .2s ease, box-shadow .2s ease;
}
.post-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.post-item .tag{
  display:inline-block;font-size:0.72rem;font-weight:700;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--gold-dark);
  background:rgba(242,169,60,0.14);padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
.post-item h2{font-size:1.25rem;margin-bottom:10px;color:var(--navy-800);}
.post-item p{color:var(--text-muted);font-size:0.97rem;margin-bottom:12px;}
.post-item .more{font-weight:600;color:var(--navy-600);font-size:0.92rem;}
.post-item:hover .more{color:var(--gold-dark);}

/* ===== LAYOUT DEL ARTÍCULO ===== */
.post-layout{
  max-width:var(--container);margin:0 auto;padding:56px 24px 80px;
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;
}
.post-body{max-width:760px;font-size:1.05rem;}
.post-body > *{margin-bottom:22px;}
.post-body h2{
  font-size:1.75rem;margin-top:52px;margin-bottom:18px;
  padding-top:14px;border-top:3px solid var(--gold);display:inline-block;
  scroll-margin-top:96px;
}
.post-body h3{font-size:1.25rem;margin-top:34px;margin-bottom:12px;scroll-margin-top:96px;}
.post-body h4{font-size:1.05rem;margin-top:24px;margin-bottom:10px;color:var(--navy-700);}
.post-body p{color:#2A303C;}
.post-body strong{color:var(--navy-800);}
.post-body ul li,.post-body ol li{
  position:relative;padding-left:30px;margin-bottom:12px;color:#2A303C;
}
.post-body ul li::before{
  content:"✓";position:absolute;left:0;top:4px;
  background:var(--gold);color:var(--navy-900);
  width:20px;height:20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:0.68rem;font-weight:800;
}
.post-body ol{counter-reset:paso;}
.post-body ol li::before{
  counter-increment:paso;content:counter(paso);
  position:absolute;left:0;top:3px;
  background:var(--navy-800);color:var(--gold);
  width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:0.75rem;font-weight:700;
}
.post-body figure{margin:32px 0;}
.post-body figure img{border-radius:var(--radius);box-shadow:var(--shadow);}
.post-body figcaption{
  font-size:0.85rem;color:var(--text-muted);margin-top:10px;text-align:center;
}
.post-body blockquote{
  border-left:4px solid var(--gold);background:var(--bg-soft);
  padding:20px 24px;border-radius:0 var(--radius) var(--radius) 0;
  font-size:1.02rem;color:var(--navy-800);
}
.post-body blockquote cite{display:block;margin-top:10px;font-size:0.85rem;color:var(--text-muted);font-style:normal;}

/* ===== CAJA DE RESPUESTA RÁPIDA (featured snippet / AI Overviews) ===== */
.answer-box{
  background:var(--bg-soft);border:1px solid var(--border);
  border-left:6px solid var(--gold);border-radius:var(--radius);
  padding:26px 28px;
}
.answer-box h2{
  border:0 !important;padding:0 !important;margin:0 0 12px !important;
  font-size:1.1rem !important;color:var(--gold-dark);
  text-transform:uppercase;letter-spacing:0.04em;display:block !important;
}
.answer-box p{font-size:1.08rem;color:var(--navy-800);font-weight:500;}

/* ===== PUNTOS CLAVE ===== */
.key-points{
  background:var(--navy-900);color:var(--white);border-radius:var(--radius);
  padding:28px 30px;box-shadow:var(--shadow);
}
.key-points h2{
  color:var(--gold) !important;border:0 !important;padding:0 !important;
  margin:0 0 14px !important;font-size:1.15rem !important;display:block !important;
}
.key-points li{color:rgba(255,255,255,0.88) !important;}
.key-points li::before{background:var(--gold) !important;color:var(--navy-900) !important;}

/* ===== TABLA ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);}
.post-body table{width:100%;border-collapse:collapse;font-size:0.95rem;min-width:520px;}
.post-body th{
  background:var(--navy-800);color:var(--white);text-align:left;
  padding:14px 16px;font-family:'Poppins',sans-serif;font-weight:600;font-size:0.9rem;
}
.post-body td{padding:13px 16px;border-top:1px solid var(--border);vertical-align:top;}
.post-body tbody tr:nth-child(even){background:var(--bg-soft);}

/* ===== FAQ ===== */
.faq details{
  border:1px solid var(--border);border-radius:12px;
  padding:0;margin-bottom:12px;background:var(--white);
  transition:box-shadow .2s;
}
.faq details[open]{box-shadow:0 6px 18px rgba(15,27,54,0.07);}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-family:'Poppins',sans-serif;font-weight:600;color:var(--navy-800);
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--gold-dark);font-size:1.4rem;line-height:1;flex-shrink:0;}
.faq details[open] summary::after{content:"–";}
.faq .faq-answer{padding:0 22px 20px;color:#2A303C;}
.faq .faq-answer p + p{margin-top:12px;}

/* ===== CTA EN ARTÍCULO ===== */
.post-cta{
  background:linear-gradient(135deg,var(--gold-dark),var(--gold));
  border-radius:var(--radius);padding:34px 32px;text-align:center;
  color:var(--navy-900);margin:44px 0;
}
.post-cta h2{
  color:var(--navy-900) !important;border:0 !important;padding:0 !important;
  margin:0 0 12px !important;font-size:1.5rem !important;display:block !important;
}
.post-cta p{color:rgba(15,27,54,0.86);margin-bottom:22px;}
.post-cta .btn-navy{box-shadow:0 8px 20px rgba(15,27,54,0.25);}

/* ===== SIDEBAR / TOC ===== */
.post-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.toc{
  background:var(--bg-soft);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;
}
.toc h2{font-size:0.95rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--gold-dark);margin-bottom:14px;}
.toc ol{counter-reset:toc;}
.toc li{margin-bottom:10px;font-size:0.9rem;line-height:1.45;}
.toc a{color:var(--navy-800);}
.toc a:hover{color:var(--gold-dark);}
.aside-card{
  background:var(--navy-900);color:var(--white);
  border-radius:var(--radius);padding:26px 24px;text-align:center;
}
.aside-card h2{color:var(--white);font-size:1.1rem;margin-bottom:10px;}
.aside-card p{font-size:0.9rem;color:rgba(255,255,255,0.78);margin-bottom:18px;}
.aside-card .btn{width:100%;padding:12px 18px;font-size:0.92rem;}

/* ===== ARTÍCULOS RELACIONADOS ===== */
.related{background:var(--bg-soft);padding:72px 24px;}
.related .section-head{text-align:center;max-width:680px;margin:0 auto 40px;}
.related .section-head p{color:var(--text-muted);margin-top:10px;}
.related-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;
  max-width:var(--container);margin:0 auto;
}
.related-card{
  background:var(--white);border-radius:var(--radius);padding:26px;
  border-top:4px solid var(--gold);box-shadow:0 6px 18px rgba(15,27,54,0.06);
  transition:transform .25s ease, box-shadow .25s ease;display:block;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.related-card span{font-size:0.78rem;font-weight:600;color:var(--gold-dark);text-transform:uppercase;letter-spacing:0.04em;}
.related-card h3{font-size:1.08rem;margin:8px 0 8px;}
.related-card p{font-size:0.92rem;color:var(--text-muted);}

/* ===== AUTOR ===== */
.author-box{
  display:flex;gap:18px;align-items:center;
  background:var(--bg-soft);border-radius:var(--radius);padding:24px;margin-top:44px;
}
.author-box .avatar{
  width:60px;height:60px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
  color:var(--gold);display:flex;align-items:center;justify-content:center;
  font-family:'Poppins',sans-serif;font-weight:800;font-size:1.1rem;
}
.author-box h3{font-size:1rem;margin-bottom:4px;}
.author-box p{font-size:0.9rem;color:var(--text-muted);}

/* ===== CONTACTO / FOOTER ===== */
.contact{padding:80px 24px;background:var(--navy-900);color:var(--white);text-align:center;}
.contact .container{max-width:560px;}
.contact h2{color:var(--white);font-size:2rem;margin-bottom:16px;}
.contact p{color:rgba(255,255,255,0.75);margin-bottom:28px;}
.contact-info{display:inline-flex;flex-direction:column;align-items:flex-start;margin:0 auto 32px;}
.contact-info li{display:flex;align-items:center;gap:14px;margin-bottom:16px;font-size:1rem;}
.contact-info .ico{
  width:42px;height:42px;border-radius:10px;background:rgba(242,169,60,0.15);
  color:var(--gold);display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.contact-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.contact-cta .btn-outline{border-color:rgba(255,255,255,0.4);color:var(--white);}
.contact-cta .btn-outline:hover{background:rgba(255,255,255,0.12);color:var(--white);}

footer{background:var(--navy-900);border-top:1px solid rgba(255,255,255,0.08);padding:48px 24px 24px;color:rgba(255,255,255,0.6);}
.footer-top{
  max-width:var(--container);margin:0 auto;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:32px;padding-bottom:32px;
}
.footer-top img{height:54px;border-radius:8px;}
.footer-links{display:flex;gap:48px;flex-wrap:wrap;}
.footer-links h5{color:var(--white);font-size:0.9rem;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;font-size:0.88rem;}
.footer-links a{color:rgba(255,255,255,0.6);}
.footer-links a:hover{color:var(--gold);}
.footer-bottom{
  max-width:var(--container);margin:0 auto;border-top:1px solid rgba(255,255,255,0.08);
  padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:0.82rem;
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;z-index:200;
  background:#25D366;color:var(--white);
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(37,211,102,0.5);
  font-size:1.6rem;animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,0.5);}
  70%{box-shadow:0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

/* ===== RESPONSIVE ===== */
@media (max-width:1000px){
  .post-layout{grid-template-columns:1fr;gap:40px;}
  .post-aside{position:static;}
  .toc{order:-1;}
}
@media (max-width:768px){
  nav{display:none;}
  .menu-toggle{display:flex;}
  nav.open{
    display:flex;position:absolute;top:100%;left:0;right:0;
    background:var(--white);flex-direction:column;padding:20px 24px;box-shadow:var(--shadow);
  }
  nav.open ul{flex-direction:column;gap:18px;align-items:flex-start;}
  .post-hero h1{font-size:1.9rem;}
  .post-hero{padding:48px 20px 56px;}
  .post-body{font-size:1rem;}
  .post-body h2{font-size:1.45rem;}
  .footer-top{flex-direction:column;}
  .author-box{flex-direction:column;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .whatsapp-float{animation:none;}
  .btn:hover,.related-card:hover{transform:none;}
}

/* ============================================================
   LANDING PAGES DE PRODUCTO (isap-bolivia)
   ============================================================ */
.lp-hero .container{max-width:var(--container);}
.lp-hero-grid{
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;
}
.lp-hero h1{font-size:2.45rem;}
.lp-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.lp-actions .btn-outline{border-color:rgba(255,255,255,0.5);color:var(--white);}
.lp-actions .btn-outline:hover{background:rgba(255,255,255,0.12);color:var(--white);}
.lp-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;font-size:0.88rem;color:rgba(255,255,255,0.75);}
.lp-trust li{display:flex;align-items:center;gap:8px;}

.laptop-mockup{max-width:460px;margin:0 auto;}
.laptop-screen{
  background:#0B1730;border:2px solid #26365e;border-radius:14px 14px 6px 6px;
  padding:12px 12px 16px;box-shadow:0 25px 50px rgba(0,0,0,0.45);
}
.laptop-screen-inner{
  background:var(--white);border-radius:6px;overflow:hidden;aspect-ratio:1187/740;
}
.laptop-screen-inner img{width:100%;height:100%;object-fit:contain;}
.laptop-keyboard{
  height:16px;margin:0 -16px;
  background:linear-gradient(180deg,#24365e,#0B1730);
  border-radius:0 0 12px 12px;box-shadow:0 14px 24px rgba(0,0,0,0.4);
}

.trust-bar{background:var(--bg-soft);padding:26px 24px;}
.trust-bar ul{
  display:flex;flex-wrap:wrap;justify-content:center;gap:34px;
  color:var(--navy-800);font-weight:600;font-size:0.93rem;
}
.trust-bar li{display:flex;align-items:center;gap:10px;}
.trust-bar .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);}

.lp-section{padding:72px 24px;}
.lp-section.soft{background:var(--bg-soft);}
.lp-section > .container{max-width:var(--container);}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px;}
.section-head h2{font-size:1.95rem;}
.section-head p{color:var(--text-muted);font-size:1.05rem;margin-top:12px;}

.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:22px;}
.feature-card{
  background:var(--white);border-radius:var(--radius);padding:26px;
  box-shadow:0 6px 18px rgba(15,27,54,0.06);border-top:4px solid var(--gold);
  transition:transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.feature-icon{
  width:50px;height:50px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;
}
.feature-card h3{font-size:1.1rem;margin-bottom:8px;}
.feature-card p{color:var(--text-muted);font-size:0.94rem;}

.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px;}
.chips li{
  background:var(--white);border:1px solid var(--border);
  border-radius:999px;padding:9px 18px;font-size:0.9rem;font-weight:500;
  color:var(--navy-800);
}
.chips li::before{content:"✓";color:var(--gold-dark);font-weight:800;margin-right:7px;}

.lp-body{max-width:820px;margin:0 auto;}
.lp-body h2{
  font-size:1.75rem;margin:0 0 18px;padding-top:14px;
  border-top:3px solid var(--gold);display:inline-block;scroll-margin-top:96px;
}
.lp-body h3{font-size:1.2rem;margin:30px 0 10px;}
.lp-body p{color:#2A303C;margin-bottom:20px;font-size:1.04rem;}
.lp-body ul li,.lp-body ol li{position:relative;padding-left:30px;margin-bottom:12px;color:#2A303C;}
.lp-body ul li::before{
  content:"✓";position:absolute;left:0;top:4px;background:var(--gold);color:var(--navy-900);
  width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:0.68rem;font-weight:800;
}
.lp-body ol{counter-reset:paso;}
.lp-body ol li::before{
  counter-increment:paso;content:counter(paso);position:absolute;left:0;top:3px;
  background:var(--navy-800);color:var(--gold);width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:0.75rem;font-weight:700;
}
.lp-body ul,.lp-body ol,.lp-body .table-wrap,.lp-body .answer-box,.lp-body .key-points{margin-bottom:26px;}
.lp-body table{width:100%;border-collapse:collapse;font-size:0.95rem;min-width:520px;}
.lp-body th{
  background:var(--navy-800);color:var(--white);text-align:left;padding:14px 16px;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:0.9rem;
}
.lp-body td{padding:13px 16px;border-top:1px solid var(--border);vertical-align:top;}
.lp-body tbody tr:nth-child(even){background:var(--bg-soft);}

@media (max-width:900px){
  .lp-hero-grid{grid-template-columns:1fr;}
  .lp-hero h1{font-size:1.95rem;}
}