:root{
  --azul:#0056b3; --azul-osc:#003d80; --dorado:#f0b429;
  --gris:#f4f6f8; --texto:#1a1a1a; --borde:#e5e7eb; --radio:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--texto);line-height:1.6;background:#fff}
a{color:var(--azul);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:1000px;margin:0 auto;padding:0 1rem}

/* Skip link */
.skip-link{position:absolute;left:-9999px;background:#fff;color:var(--azul);padding:.6rem 1rem;z-index:100;border-radius:0 0 6px 0}
.skip-link:focus{left:0;top:0}

/* Header / nav */
header[role="banner"]{border-bottom:1px solid var(--borde);background:#fff;position:sticky;top:0;z-index:50}
header nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1000px;margin:0 auto;padding:.75rem 1rem;flex-wrap:wrap}
.logo img{display:block;height:44px;width:auto}
.nav-menu{display:flex;gap:1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav-menu a{font-weight:500;color:#333;padding:.25rem 0}
.nav-menu a[aria-current="page"]{color:var(--azul);border-bottom:2px solid var(--azul)}

/* Hero */
.hero{background:var(--azul);color:#fff;padding:3rem 1rem;text-align:center}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 .75rem;line-height:1.2}
.hero-subtitle{max-width:640px;margin:0 auto 1rem;opacity:.95}
.breadcrumb{display:flex;gap:.5rem;list-style:none;padding:1rem 0;margin:0;font-size:.9rem;justify-content:center;flex-wrap:wrap}
.breadcrumb li+li::before{content:"›";margin-right:.5rem;color:#94a3b8}

/* CTA */
.cta-container{margin-top:1rem}
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--dorado);color:#1a1a1a;font-weight:700;padding:.9rem 1.6rem;border-radius:var(--radio);transition:background .2s,transform .1s}
.btn-primary:hover{background:#e0a800;text-decoration:none}
.btn-primary:active{transform:scale(.98)}
.btn-icon{font-weight:700}
.cta-note{font-size:.9rem;margin-top:.75rem;opacity:.9}

/* Secciones */
section{padding:2.5rem 1rem}
.features{background:var(--gris)}
.features h2,.states h2,.faq h2,.content-seo h2{text-align:center;margin-top:0}
.features-grid,.states-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1.5rem}
.feature-card,.state-card{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:1.25rem}
.state-card h3{margin:0;font-size:1.05rem}
.feature-card h3{margin-top:0;color:var(--azul-osc)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--borde);padding:.75rem 0}
.faq-item summary{cursor:pointer;font-weight:600;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";float:right;font-weight:700;color:var(--azul)}
.faq-item[open] summary::after{content:"–"}
.faq-answer{padding-top:.5rem;color:#333}

/* Contenido largo */
.content-seo .content-body h3{margin-top:1.5rem;color:var(--azul-osc)}

/* Footer */
footer{background:#0d1b2a;color:#cbd5e1;padding:2.5rem 1rem 1.5rem;margin-top:2rem}
footer a{color:#93c5fd}
.footer-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));max-width:1000px;margin:0 auto}
.footer-section h4{color:#fff;margin-top:0}
.footer-section ul{list-style:none;padding:0;margin:0}
.footer-section li{margin:.3rem 0}
.footer-bottom{text-align:center;margin-top:1.5rem;padding-top:1rem;border-top:1px solid #1e3a5f;font-size:.85rem}

/* Responsive */
@media (max-width:640px){
  header nav{justify-content:center;text-align:center}
  .nav-menu{justify-content:center}
  .hero{padding:2rem 1rem}
}