:root{
  --amarillo:#F5B700;
  --azul-oscuro:#0B1F3A;
  --azul:#12335E;
  --verde:#25D366;
  --gris-claro:#F6F7F9;
  --texto:#1C2530;
  --blanco:#fff;
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Segoe UI',Roboto,Arial,sans-serif;color:var(--texto);line-height:1.55;background:var(--blanco);}
.container{max-width:1140px;margin:0 auto;padding:0 20px;}
a{color:var(--azul);text-decoration:none;}
h1,h2,h3{color:var(--azul-oscuro);line-height:1.25;}
img{max-width:100%;display:block;}

/* Header */
.site-header{background:var(--blanco);border-bottom:3px solid var(--amarillo);position:sticky;top:0;z-index:100;}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;}
.logo{font-weight:800;font-size:1.15rem;color:var(--azul-oscuro);}
.main-nav{display:flex;gap:18px;flex-wrap:wrap;}
.main-nav a{font-weight:600;font-size:.95rem;color:var(--azul);}
.header-call{background:var(--azul-oscuro);color:var(--blanco);padding:8px 16px;border-radius:6px;font-weight:700;}

/* Sticky mobile CTA */
.sticky-cta{display:none;}
@media(max-width:768px){
  .main-nav{display:none;}
  .header-call{display:none;}
  .sticky-cta{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:200;
  }
  .sticky-cta a{flex:1;text-align:center;padding:14px 0;font-weight:800;font-size:1rem;}
  body{padding-bottom:56px;}
}

.btn-call,.btn-wsp{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:800;margin:6px 8px 6px 0;}
.btn-call{background:var(--amarillo);color:var(--azul-oscuro);}
.btn-wsp{background:var(--verde);color:var(--blanco);}

/* Hero */
.hero{background:linear-gradient(135deg,var(--azul-oscuro),var(--azul));color:var(--blanco);padding:60px 0;}
.hero h1{color:var(--blanco);font-size:2.1rem;margin-bottom:14px;}
.hero p{font-size:1.1rem;max-width:680px;opacity:.92;}
.trust-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;font-weight:600;font-size:.92rem;}

/* Sections */
section{padding:48px 0;}
.section-alt{background:var(--gris-claro);}
.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{background:var(--blanco);border:1px solid #E5E8EC;border-radius:10px;padding:22px;}
.card h3{margin-top:0;font-size:1.05rem;}
.card a{font-weight:700;}
a.card{display:flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;color:inherit;font-weight:700;min-height:60px;transition:border-color .15s,box-shadow .15s;}
a.card:hover{border-color:var(--verde,#25D366);box-shadow:0 2px 8px rgba(0,0,0,.08);}

.checklist{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.checklist li:before{content:"✓ ";color:var(--verde);font-weight:800;}
@media(max-width:600px){.checklist{grid-template-columns:1fr;}}

.zonas-list{columns:3;column-gap:24px;}
@media(max-width:768px){.zonas-list{columns:2;}}
@media(max-width:480px){.zonas-list{columns:1;}}
.zonas-list li{break-inside:avoid;margin-bottom:8px;}

.breadcrumb{font-size:.85rem;color:#6b7686;margin-bottom:10px;}
.breadcrumb a{color:#6b7686;}

.faq-item{border-bottom:1px solid #E5E8EC;padding:16px 0;}
.faq-list{display:flex;flex-direction:column;}
.faq-item h3{font-size:1rem;margin:0 0 6px;}

.final-cta{background:var(--azul-oscuro);color:var(--blanco);text-align:center;}
.final-cta h2{color:var(--blanco);}
.cta-buttons{margin-top:16px;}

.site-footer{background:#0A1830;color:#C7CEDA;padding:44px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:26px;padding-bottom:30px;}
.footer-grid h3,.footer-grid h4{color:var(--blanco);}
.footer-grid ul{list-style:none;padding:0;}
.footer-grid a{color:#C7CEDA;}
.footer-bottom{border-top:1px solid #223252;padding:16px 0;font-size:.82rem;text-align:center;}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}

.related-links{display:flex;flex-wrap:wrap;gap:10px;}
.related-links a{background:var(--gris-claro);padding:8px 14px;border-radius:6px;font-weight:600;font-size:.9rem;}