/* Base */
:root{--brand:#0ea5e9;--accent:#22c55e;--ink:#0b1220;--muted:#475569;--paper:#f8fafc;--ring:rgba(14,165,233,.35)}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:linear-gradient(180deg,#fff 0%,#f6f8fb 100%);color:#111827;line-height:1.65}
img{max-width:100%;display:block;height:auto}a{color:var(--brand);text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 1.25rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.75rem 0}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;color:#111827}
.brand img{width:36px;height:36px}
.menu{display:flex;gap:1rem;align-items:center}
.menu a{padding:.5rem .75rem;border-radius:.5rem}
.menu a:hover{background:#f1f5f9}
.menu .btn{background:var(--brand);color:#fff}
.menu-toggle{display:none;border:1px solid #e2e8f0;border-radius:.5rem;padding:.5rem .75rem;background:#fff}

/* Hero */
.hero{padding:4rem 0 3rem;background:radial-gradient(1200px 600px at 80% -40%, rgba(14,165,233,.15), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center}
.hero-copy h1{font-size:clamp(1.8rem,2.8vw,3rem);line-height:1.15;margin:0 0 .75rem}
.hero-copy p{font-size:1.05rem;color:#334155;margin:.5rem 0 1.25rem}
.accent::after{content:"";position:absolute;left:0;right:0;bottom:.1em;height:.4em;background:linear-gradient(90deg, rgba(14,165,233,.25), rgba(34,197,94,.25));z-index:-1;border-radius:.25em}
.cta-row{display:flex;gap:.75rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:.75rem;font-weight:600}
.btn.primary{background:var(--brand);border-color:transparent;color:#fff;box-shadow:0 8px 20px -8px var(--ring)}
.btn.ghost{background:#fff}
.badges{display:flex;gap:.5rem;flex-wrap:wrap;padding:0;margin:1rem 0 0;list-style:none}
.badges li{background:#ecfeff;border:1px solid #bae6fd;color:#0c4a6e;padding:.4rem .6rem;border-radius:999px;font-size:.9rem}
.credenciales{margin-top:.75rem;font-size:.95rem;color:#0f172a}

/* Hero card */
.hero-card{background:linear-gradient(180deg,#fff,#f1f5f9);border:1px solid #e2e8f0;border-radius:1rem;height:320px;position:relative;box-shadow:0 30px 60px -40px rgba(2,6,23,.35)}
.stamp{position:absolute;right:1rem;bottom:1rem;background:#dcfce7;color:#065F46;border:1px solid #bbf7d0;padding:.5rem .75rem;border-radius:.75rem;font-weight:800}

/* Sections */
.section{padding:3rem 0}
.section.alt{background:#fff}
h2{font-size:clamp(1.4rem,2.2vw,2rem);margin:0 0 1rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:.9rem;padding:1rem;box-shadow:0 8px 24px -16px rgba(2,6,23,.12)}
.card.mini h3{margin-top:.25rem}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.25rem}
.feature{background:#f8fafc;border:1px solid #e2e8f0;border-radius:.9rem;padding:1rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;counter-reset:step}
.steps li{position:relative;background:#fff;border:1px solid #e2e8f0;border-radius:.9rem;padding:1rem 1rem 1rem 2.5rem;list-style:none}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:.75rem;top:.75rem;width:1.5rem;height:1.5rem;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:700}
.slogan{margin-top:1rem;color:#0b1220;font-weight:600;text-align:center}

/* FAQ */
details{background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;padding:.75rem;margin:.5rem 0}
summary{cursor:pointer;font-weight:600}

/* Form */
.form{margin-top:.75rem}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}
label{display:grid;gap:.25rem;font-weight:600;font-size:.95rem}
input,select,textarea{appearance:none;width:100%;padding:.7rem .8rem;border:1px solid #e2e8f0;border-radius:.6rem;background:#fff;outline:none}
input:focus,select:focus,textarea:focus{box-shadow:0 0 0 4px var(--ring)}
.nota-privacidad{font-size:.9rem;color:#334155;margin-top:.5rem}

/* Footer */
.site-footer{background:#0b1220;color:#e2e8f0}
.site-footer a{color:#93c5fd}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:1rem;padding:1.5rem 0}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.25rem}
.credits{align-self:end}

/* A11y */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#111827;color:#fff;padding:.5rem;border-radius:.5rem}

/* Responsive */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .grid3,.features{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .menu{display:none;position:absolute;right:1rem;top:56px;background:#fff;border:1px solid #e2e8f0;border-radius:.5rem;padding:.5rem;flex-direction:column;min-width:220px}
  .menu a{padding:.6rem .75rem}
  .menu.show{display:flex}
  .menu-toggle{display:inline-block}
}

/* Modal */
dialog{border:none;border-radius:.75rem;max-width:640px;width:90%;box-shadow:0 30px 60px -40px rgba(2,6,23,.35)}
dialog article{padding:1rem 1.25rem}
dialog::backdrop{background:rgba(2,6,23,.5)}

/* Floating WhatsApp */
#wa-float{position:fixed;right:1rem;bottom:1rem;display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1rem;border-radius:999px;background:#22c55e;color:#fff;font-weight:700;box-shadow:0 12px 30px -10px rgba(34,197,94,.5);z-index:60}
#wa-float:hover{transform:translateY(-1px)}
#wa-float::before{content:"";width:20px;height:20px;display:inline-block;background:currentColor;-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 32 32\'><path d=\'M19.11 17.5c-.28.16-1.63.86-1.88.96-.25.09-.43.14-.62-.14-.18-.27-.7-.86-.86-1.03-.16-.18-.32-.2-.6-.07-.29.14-1.21.55-2.3 1.47-.85.73-1.44 1.62-1.61 1.9-.16.27-.17.5-.02.73.14.22.62 1.02 1.32 1.66.9.81 1.65 1.06 2.23 1.2.58.14 1.11.12 1.54-.09.42-.2 1.31-.42 2.69-1.54 1.27-1.02 2.13-2.27 2.37-2.65.25-.38.25-.7.17-.84-.09-.14-.25-.2-.52-.33zM16 3C9.37 3 4 8.37 4 15c0 2.65.86 5.09 2.32 7.07L5 29l7.11-1.87C13.99 27.7 14.98 28 16 28c6.63 0 12-5.37 12-12S22.63 3 16 3z\'/></svg>') center/contain no-repeat;mask:url('data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 32 32\'><path d=\'M19.11 17.5c-.28.16-1.63.86-1.88.96-.25.09-.43.14-.62-.14-.18-.27-.7-.86-.86-1.03-.16-.18-.32-.2-.6-.07-.29.14-1.21.55-2.3 1.47-.85.73-1.44 1.62-1.61 1.9-.16.27-.17.5-.02.73.14.22.62 1.02 1.32 1.66.9.81 1.65 1.06 2.23 1.2.58.14 1.11.12 1.54-.09.42-.2 1.31-.42 2.69-1.54 1.27-1.02 2.13-2.27 2.37-2.65.25-.38.25-.7.17-.84-.09-.14-.25-.2-.52-.33zM16 3C9.37 3 4 8.37 4 15c0 2.65.86 5.09 2.32 7.07L5 29l7.11-1.87C13.99 27.7 14.98 28 16 28c6.63 0 12-5.37 12-12S22.63 3 16 3z\'/></svg>') center/contain no-repeat}

/* Confianza */
.trust-wrap{display:grid;grid-template-columns:1fr 2fr;gap:1rem;align-items:center}
.trust-wrap .rating .stars{font-size:1.6rem;letter-spacing:.1rem}
.trust-wrap .rating .stars .dim{opacity:.15}
.trust-wrap .logos{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;align-items:center;justify-items:center}
.trust-wrap .logos img{max-width:100%;height:48px;object-fit:contain;filter:grayscale(1);opacity:.9}
@media(max-width:900px){.trust-wrap{grid-template-columns:1fr}.trust-wrap .logos{grid-template-columns:repeat(2,1fr)}}

/* Estrellas testimonios */
.estrellas{color:#f59e0b;font-size:1.1rem;margin-bottom:.25rem}

/* Banner de éxito */
.success-banner{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;border-radius:.6rem;padding:.75rem 1rem;margin:.75rem 0;font-weight:600}