:root{
  --primary:#0A2A43; /* oscuro corporativo */
  --accent:#1E5A93;  /* azul acento */
  --bg:#F2F4F7;      /* fondo */
  --ink:#0A2A43;     /* texto principal */
}
*{box-sizing:border-box}
body{
  margin:0; font-family: Inter, Helvetica, Arial, sans-serif; background:var(--bg); color:var(--ink);
}
img{max-width:100%; height:auto; display:block}
a{color:var(--accent); text-decoration:none}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--primary);padding:14px 40px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700}
.brand .logo{height:36px}
.site-nav a{color:#fff;margin-left:24px;font-weight:600;opacity:.92;transition:.25s}
.site-nav a:hover{opacity:1;color:#5FA8E8}

/* Hero */
.hero{position:relative;min-height:66vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 20px;background:#fff}
.hero::before{content:""; position:absolute; inset:0; background:url('/assets/hero-kpis.jpg') center/cover no-repeat; filter:grayscale(10%);} 
.hero::after{content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(10,42,67,.55), rgba(10,42,67,.35), rgba(10,42,67,.15));}
.hero > .inner{position:relative; z-index:1; color:#fff; max-width:980px}
.hero h1{font-size:44px; line-height:1.12; margin:0 0 12px}
.hero p{font-size:18px; opacity:.95}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 20px;border-radius:8px;font-weight:700;margin-top:16px}
.btn.secondary{background:#fff;color:var(--primary);}

/* Sections */
.section{padding:64px 24px; max-width:1100px; margin:0 auto}
.section h2{font-size:32px;margin:0 0 18px}
.lead{font-size:18px;opacity:.9}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:22px}
.card{background:#fff;padding:22px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.card h3{margin:0 0 8px;font-size:18px}

/* Method */
.method{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.method .step{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.method .step img{width:100%;height:180px;object-fit:cover}
.method .step .body{padding:16px}
.method .tag{display:inline-block;background:#E7EEF6;color:var(--accent);font-weight:700;font-size:12px;border-radius:999px;padding:6px 10px;margin-bottom:8px}

/* CTA */
.cta{background:#fff;border-radius:16px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 12px 30px rgba(0,0,0,.07)}
.cta .actions .btn{margin-left:8px}

/* Footer */
.site-footer{background:var(--primary);color:#fff;text-align:center;padding:30px;margin-top:60px}
.site-footer a{color:#fff;text-decoration:underline}

/* Responsive */
@media (max-width:720px){
  .hero h1{font-size:34px}
  .cta{flex-direction:column;align-items:flex-start}
}