*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;background:#040814;color:#f5f5f5;line-height:1.5}
a{color:inherit;text-decoration:none}
.header{position:sticky;top:0;z-index:100;background:rgba(4,8,20,.95);border-bottom:1px solid rgba(255,255,255,.05);backdrop-filter:blur(12px)}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 1.25rem}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0}
.logo{font-weight:700;font-size:1.2rem;letter-spacing:.2rem}
.nav a{margin-left:1.25rem;font-size:.95rem;color:#d0d6f5;transition:.2s ease}
.nav a:hover,.nav a.active{color:#3ea6ff;transform:translateY(-1px)}
.hero{background:radial-gradient(circle at top left,#0a2342 0,#040814 45%,#020308 100%);padding:5rem 0 4rem}
.hero-content{display:flex;flex-direction:column;justify-content:center;min-height:300px}
.hero h1{font-size:clamp(2.2rem,4vw,2.8rem);margin-bottom:1rem}
.hero p{max-width:640px;color:#c3c8df;margin-bottom:1.5rem}
.btn-primary{display:inline-block;padding:.8rem 1.6rem;background:linear-gradient(135deg,#007bff,#00b4ff);border-radius:999px;font-weight:600;box-shadow:0 8px 20px rgba(0,123,255,.3)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(0,123,255,.45)}
.link-inline{color:#3ea6ff;font-size:.9rem}
.section{padding:3.5rem 0}
.section h1,.section h2{font-size:1.8rem;margin-bottom:1.5rem}
.section h3{font-size:1.3rem;margin-top:1.5rem;margin-bottom:.6rem}
.section p{color:#c3c8df;margin-bottom:.75rem}
.section ul{list-style:disc;margin-left:1.5rem;color:#c3c8df;margin-bottom:1rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-top:1rem}
.card{background:radial-gradient(circle at top left,#0a2342 0,#040814 60%);border-radius:1rem;padding:1.5rem;border:1px solid rgba(255,255,255,.04);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.card h3{margin-bottom:.75rem;font-size:1.15rem}
.card p{font-size:.95rem;color:#d3d7f0}
.contacto{text-align:center}
.nota{font-size:.8rem;color:#8d92aa;margin-top:.75rem}
.form-opinion label,.form-contacto label{display:block;margin-top:.75rem;font-weight:600}
.form-opinion input[type=text],.form-opinion select,.form-opinion textarea,
.form-contacto input[type=text],.form-contacto input[type=email],.form-contacto textarea{
  width:100%;padding:.5rem;margin-top:.25rem;border-radius:4px;border:1px solid #333;background:#05091a;color:#f5f5f5
}
.form-opinion textarea,.form-contacto textarea{min-height:80px}
.cta-box{margin-top:2rem;padding:1.8rem;border-radius:1rem;background:radial-gradient(circle at top left,#0a2342 0,#040814 70%);border:1px solid rgba(255,255,255,.06);text-align:left}
.footer{padding:1.25rem 0;border-top:1px solid rgba(255,255,255,.05);background:#030610}
.footer p{text-align:center;font-size:.85rem;color:#8d92aa}
@media(max-width:720px){.nav{display:none}.hero{padding-top:4rem}}