/* Paleta */
:root{
  /* #0D3B66 (cero) como color principal */
  --primary:#0D3B66;
  --muted:#B0B0B0;
  --white:#FFFFFF;
  --cta:#2ECC71;
  --cta-hover:#28b864;
  --ink:#14213D;
  --bg:#F8FAFC;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;display:block}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}

/* Navbar */
.nav{position:sticky;top:0;background:var(--white);border-bottom:1px solid #eef2f7;z-index:100}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.nav__brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--primary)}
.nav__logo{height:36px;width:auto}
.nav__brand-name{font-weight:700}
.nav__menu{display:flex;gap:18px;align-items:center}
.nav__menu a{color:var(--ink);text-decoration:none}
.nav__menu a:hover{color:var(--primary)}

/* Hero */
.hero{background:linear-gradient(180deg, rgba(13,59,102,0.06), rgba(13,59,102,0));padding:64px 0}
.hero__inner{display:grid;gap:32px;grid-template-columns:1.3fr 1fr;align-items:center}
.hero__title{font-size:clamp(28px,4vw,44px);line-height:1.1;margin:0 0 12px;color:var(--primary)}
.hero__subtitle{font-size:18px;color:#334155;margin:0 0 20px}
.hero__ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero__logo{height:120px;opacity:.95;filter:drop-shadow(0 6px 18px rgba(13,59,102,.15))}

/* Section */
.section{padding:56px 0}
.section--muted{background:#f5f7fb}
.section__title{font-size:28px;color:var(--primary);margin:0 0 18px}

/* Grid & Cards */
.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
@media (max-width: 900px){.grid--3{grid-template-columns:1fr 1fr}}
@media (max-width: 600px){.grid--3{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid #edf1f6;border-radius:16px;padding:18px;box-shadow:0 6px 20px rgba(13,59,102,.05)}

/* Benefits */
.benefits{list-style:none;padding:0;margin:0}
.benefits li{background:var(--white);border:1px solid #edf1f6;border-radius:12px;padding:14px 16px;margin-bottom:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid transparent;text-decoration:none;font-weight:600;cursor:pointer;transition:.2s}
.btn-cta{background:var(--cta);color:#fff;border-color:var(--cta)}
.btn-cta:hover{background:var(--cta-hover);border-color:var(--cta-hover)}
.btn-ghost{background:transparent;color:var(--cta);border-color:var(--cta)}
.btn-ghost:hover{background:rgba(46,204,113,.08)}
.btn-outline{background:transparent;color:var(--ink);border-color:#d0d7e2}
.btn-outline:hover{border-color:var(--ink)}

/* Forms */
.form{margin-top:12px}
.form__grid{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.form__field{display:flex;flex-direction:column;gap:6px}
.form__field--full{grid-column:1/-1}
.form__field input,.form__field textarea{padding:12px 12px;border:1px solid #d5dbe6;border-radius:10px;font:inherit}
.form__actions{margin-top:10px}

/* Alerts */
.alert{margin:12px 0;padding:12px 14px;border-radius:10px}
.alert-success{background:#eafaf0;color:#145a32}
.alert-danger{background:#fdecea;color:#7b241c}

/* Footer */
.footer{border-top:1px solid #eef2f7;background:var(--white);margin-top:40px}
.footer__inner{display:flex;align-items:center;justify-content:center;padding:18px 0;color:#64748b}

/* Layout helpers */
.page-wrap{min-height:calc(100vh - 120px)}