:root{
  --azul-oscuro:#163f74;
  --celeste:#2cb2bf;
  --gris:#a0a1a5;
  --contraste:#eed032;
  --negro:#111317;
  --blanco:#ffffff;
  --bg:#f7f8fa;
  --radius:14px;
  --shadow:0 6px 24px rgba(17,19,23,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--negro);
  background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  line-height:1.4;
}
img{max-width:100%;display:block}
svg{width:24px;height:24px;fill:currentColor}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--blanco);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow:0 3px 12px rgba(17,19,23,.06);
}
.header-row{display:flex;align-items:center;gap:20px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-logo{height:40px;width:auto}
.nav{display:none;gap:14px;margin-left:auto}
.nav-link{color:var(--azul-oscuro);text-decoration:none;font-weight:600}
.nav-link:hover{color:var(--celeste)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:12px 18px;border-radius:12px;border:none;
  font-weight:700;cursor:pointer;text-decoration:none;
  transition:transform .08s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--celeste);color:var(--blanco);box-shadow:var(--shadow)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-contrast{background:var(--contraste);color:#1b1b1b;box-shadow:var(--shadow)}
.btn-contrast:hover{filter:brightness(1.05)}

.hero{padding:28px 0 14px;background:var(--blanco)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:center}
.hero-text h1{color:var(--azul-oscuro);font-size:28px;line-height:1.15;margin:0 0 10px}
.hero-text p{color:#2b2d31;margin:0 0 18px}
.hero-ctas{display:flex;gap:10px;flex-wrap:wrap}
.hero-media{border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.hero-image{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}

.sobre{padding:30px 0}
.sobre-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
.sobre-text h2,.productos h2,.como-funciona h2,.beneficios h2,.contacto h2{color:var(--azul-oscuro);margin:0 0 10px;font-size:24px}
.pills{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.pill{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:var(--bg);color:#2b2d31}
.sobre-image img{border-radius:16px;box-shadow:var(--shadow)}

.productos{padding:30px 0;background:var(--blanco)}
.product-grid{display:grid;grid-template-columns:1fr;gap:16px}
.product-card{border-radius:16px;overflow:hidden;background:var(--bg);box-shadow:var(--shadow);display:flex;flex-direction:column}
.product-card .media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-card .info{padding:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.product-card h3{margin:0;color:#222}

.como-funciona{padding:30px 0}
.steps{display:grid;grid-template-columns:1fr;gap:14px}
.step{background:var(--blanco);border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.step .icon{color:var(--celeste);margin-bottom:6px}
.step h3{margin:0 0 6px;color:#222;font-size:18px}
.step p{margin:0;color:#2b2d31}

.cta{padding:26px 0;background:var(--azul-oscuro)}
.cta-box{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta h2{color:var(--blanco);margin:0 0 6px}
.cta p{color:#e6ecf5;margin:0 0 10px}

.beneficios{padding:30px 0;background:var(--blanco)}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.benefit{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;background:var(--bg)}
.benefit svg{color:var(--celeste)}

.contacto{padding:30px 0}
.contacto-grid{display:grid;grid-template-columns:1fr;gap:20px}
.contacto-form,.contacto-info{background:var(--blanco);border-radius:16px;box-shadow:var(--shadow);padding:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}
label{font-weight:600;color:#2b2d31}
input,textarea{padding:12px;border:1px solid rgba(17,19,23,.12);border-radius:12px;background:#fff;font:inherit}
.actions{display:flex;gap:10px}
.whatsapp-visible{display:flex;flex-direction:column;gap:10px}
.mapa{margin-top:10px;border-radius:12px;overflow:hidden;background:var(--bg);height:260px;display:none}

.site-footer{background:var(--azul-oscuro);color:#e6ecf5;padding:24px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:16px}
.footer-logo{height:36px;width:auto;margin-bottom:8px}
.footer-menu a{color:#e6ecf5;text-decoration:none;margin-right:12px;display:block;margin-bottom:6px}
.footer-social .social-row{display:flex;gap:10px;margin-bottom:10px}
.social-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:#133a6a;color:#e6ecf5;text-decoration:none}
.confianza{font-size:14px;color:#cbd6e7}
.footer-copy{border-top:1px solid rgba(255,255,255,.12);padding:12px 0;margin-top:14px;text-align:center;color:#cbd6e7}

.whatsapp-fab{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:56px;height:56px;border-radius:16px;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);cursor:pointer
}
.whatsapp-fab:hover{filter:brightness(1.05)}

.modal{position:fixed;inset:0;display:none}
.modal.show{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.modal-dialog{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(560px,92%);background:var(--blanco);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)
}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid rgba(0,0,0,.08)}
.modal-close{background:transparent;border:none;font-size:24px;line-height:1;cursor:pointer}
.modal-body{padding:14px 16px}

@media(min-width:768px){
  .nav{display:flex}
  .hero-grid{grid-template-columns:1.1fr .9fr}
  .hero-text h1{font-size:36px}
  .sobre-grid{grid-template-columns:1fr 1fr}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .cta-box{flex-direction:row;align-items:center;justify-content:space-between}
  .benefits{grid-template-columns:repeat(4,1fr)}
  .contacto-grid{grid-template-columns:1.1fr .9fr}
  .mapa{display:block}
}