:root{
  --primario:#0a4a8f;
  --secundario:#1e88e5;
  --acento:#22c55e;
  --fondo:#f5faff;
  --texto:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(10,74,143,.08);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--texto);
  background:var(--fondo);
  line-height:1.6;
  font-size:17px;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--primario);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1140px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--primario);line-height:1.2;font-weight:800}
h1{font-size:clamp(2rem,4vw,3.2rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:.6em;text-align:center}
h3{font-size:1.25rem;margin:.6em 0 .3em}
p{margin-bottom:1em}

/* NAV */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.05rem;color:var(--primario)}
.brand-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--primario);
  color:#fff;font-weight:900;font-size:1.3rem;
}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--texto);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--primario);text-decoration:none}
@media(max-width:780px){
  .nav-links a:not(.btn){display:none}
}

/* BOTONES */
.btn{
  display:inline-block;padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:1rem;transition:.2s;border:0;cursor:pointer;
}
.btn-primary{background:var(--primario);color:#fff!important}
.btn-primary:hover{background:#083767;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--primario)!important;border:2px solid var(--primario)}
.btn-ghost:hover{background:var(--primario);color:#fff!important;text-decoration:none}
.btn-mini{padding:9px 18px;font-size:.9rem;background:var(--primario);color:#fff!important}
.btn-xl{padding:20px 44px;font-size:1.2rem}

/* HERO */
.hero{padding:60px 0 80px;background:linear-gradient(180deg,#eaf4ff 0%,var(--fondo) 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr}}
.badge{
  display:inline-block;background:#dbeafe;color:var(--primario);
  padding:6px 14px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:18px;
}
.hl{color:var(--secundario)}
.lead{font-size:1.15rem;color:#334155;margin:18px 0}
.aviso{
  background:#fef9c3;border-left:4px solid #eab308;
  padding:14px 18px;border-radius:10px;font-size:.95rem;margin:16px 0;color:#713f12;
}
.aviso-claro{background:#dcfce7;border-color:var(--acento);color:#14532d}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}

/* SECCIONES */
.section{padding:80px 0}
.section-alt{background:#fff}
.section-lead{text-align:center;max-width:760px;margin:0 auto 50px;color:#475569;font-size:1.08rem}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards-2{grid-template-columns:repeat(2,1fr);max-width:820px;margin:0 auto}
@media(max-width:880px){.cards,.cards-2{grid-template-columns:1fr}}
.card{
  background:#fff;border:1px solid var(--border);
  padding:30px 26px;border-radius:var(--radius);
  text-align:center;transition:.25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--secundario)}
.card-icon{font-size:2.4rem;margin-bottom:10px}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
@media(max-width:880px){.steps{grid-template-columns:1fr}}
.step{background:var(--fondo);padding:24px;border-radius:var(--radius);position:relative;border:1px solid var(--border)}
.step img{margin:14px 0 16px;aspect-ratio:3/2;object-fit:cover;width:100%}
.step-num{
  position:absolute;top:-18px;left:24px;
  width:42px;height:42px;border-radius:50%;background:var(--primario);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.2rem;box-shadow:var(--shadow);
}

/* TWO COL */
.two-col{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:center}
@media(max-width:880px){.two-col{grid-template-columns:1fr;max-width:480px;margin:0 auto}}
.two-col h2{text-align:left}
.two-col-img{max-width:260px}
.check-list{list-style:none;margin:20px 0}
.check-list li{padding:10px 0 10px 32px;position:relative;border-bottom:1px dashed var(--border)}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:10px;
  width:22px;height:22px;border-radius:50%;background:var(--acento);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;
}
.two-col-img img{aspect-ratio:5/6;object-fit:contain;width:100%}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  padding:18px 22px;margin-bottom:14px;cursor:pointer;
}
.faq summary{font-weight:600;color:var(--primario);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--secundario)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:10px;color:#475569}

/* CTA */
.cta{
  background:linear-gradient(135deg,var(--primario) 0%,var(--secundario) 100%);
  color:#fff;padding:90px 0;text-align:center;
}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{font-size:1.15rem;max-width:640px;margin:0 auto 30px;opacity:.95}
.cta .btn-primary{background:#fff;color:var(--primario)!important}
.cta .btn-primary:hover{background:#eaf4ff}
.cta .mini{font-size:.85rem;margin-top:18px;opacity:.85}
.cta .mini a{color:#fff;text-decoration:underline}

/* FOOTER */
.footer{background:#0b1220;color:#cbd5e1;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr}}
.footer h4{color:#fff;margin-bottom:14px;font-size:1rem}
.footer ul{list-style:none}
.footer li{padding:5px 0}
.footer a{color:#cbd5e1}
.brand-light{color:#fff}
.brand-light .brand-icon{background:#fff;color:var(--primario)}
.muted{color:#94a3b8;font-size:.9rem;margin-top:10px}
.copyright{
  text-align:center;border-top:1px solid #1e293b;
  padding-top:20px;margin-top:40px;font-size:.85rem;color:#64748b;
}

/* REVEAL ANIM */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* CONTACT FORM */
.contact-form{
  max-width:640px;margin:0 auto;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.contact-form label{display:block;margin-bottom:16px;font-size:.9rem;color:#334155;font-weight:600}
.contact-form label span em{color:#dc2626;font-style:normal}
.contact-form label span small{color:#94a3b8;font-weight:500;margin-left:4px}
.contact-form input,.contact-form textarea{
  width:100%;margin-top:6px;padding:12px 14px;
  border:1px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:1rem;color:var(--texto);
  background:#f8fafc;transition:.2s;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--secundario);background:#fff;
  box-shadow:0 0 0 3px rgba(30,136,229,.15);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:620px){.form-row{grid-template-columns:1fr}}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.contact-status{font-size:.9rem;font-weight:600}
.contact-status.ok{color:var(--acento)}
.contact-status.err{color:#dc2626}
.mini-form{font-size:.8rem;color:#94a3b8;margin-top:14px;margin-bottom:0}

/* MODAL */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.6);backdrop-filter:blur(3px)}
.modal-box{
  position:relative;background:#fff;border-radius:var(--radius);
  max-width:640px;width:100%;max-height:85vh;
  padding:34px 32px 26px;box-shadow:0 25px 60px rgba(0,0,0,.35);
  display:flex;flex-direction:column;
}
.modal-box h3{margin-bottom:14px;font-size:1.4rem}
.modal-close{
  position:absolute;top:10px;right:14px;border:0;background:transparent;
  font-size:1.8rem;line-height:1;cursor:pointer;color:#94a3b8;
}
.modal-close:hover{color:var(--primario)}
.modal-body{
  flex:1;overflow-y:auto;white-space:pre-wrap;
  font-size:.92rem;color:#475569;line-height:1.6;
  background:#f8fafc;border:1px solid var(--border);border-radius:10px;
  padding:18px;margin-bottom:16px;max-height:45vh;
}
.modal-check{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 14px;background:#eaf4ff;border-radius:10px;
  font-size:.9rem;color:#0f172a;margin-bottom:16px;cursor:pointer;
}
.modal-check input{margin-top:3px;width:18px;height:18px;accent-color:var(--primario)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
body.modal-open{overflow:hidden}

/* LEGAL PAGES */
.legal{max-width:820px;margin:0 auto;padding:60px 24px;background:#fff;border-radius:var(--radius);margin-top:30px;margin-bottom:60px;box-shadow:var(--shadow)}
.legal h1{margin-bottom:20px}
.legal h2{text-align:left;font-size:1.4rem;margin-top:32px;margin-bottom:10px}
.legal p,.legal li{color:#334155;font-size:1rem}
.legal ul,.legal ol{margin:12px 0 16px 24px}
.legal a.back{display:inline-block;margin-bottom:24px;color:var(--secundario);font-weight:600}