/* Aquarium — paleta basada en el logo */
:root{
  --azul:#1b75bb;
  --azul-osc:#0e2a47;
  --verde:#8dc63f;
  --naranja:#f2801e;
  --bg:#f2f5f8;
  --texto:#12263a;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Arial,sans-serif}
body{background:var(--bg);color:var(--texto)}
.wrap{max-width:1100px;margin:24px auto;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.15);background:#fff}

/* Header con logo */
header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:10px 28px;flex-wrap:wrap;gap:10px}
.logo img{height:54px;display:block}
nav{display:flex;align-items:center;flex-wrap:wrap}
nav a{color:var(--azul-osc);text-decoration:none;margin-left:18px;font-size:14px;font-weight:600}
nav a:hover{color:var(--azul)}
nav a.activo{color:var(--verde)}

/* Hero */
.hero{background:linear-gradient(180deg,#e8f2fa,#cfdcea);text-align:center;padding:56px 24px}
.hero h1{font-size:32px;color:var(--azul-osc);margin-bottom:12px}
.hero p{max-width:680px;margin:0 auto 24px;color:#33506b}

/* Botones */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;text-decoration:none;margin:4px 6px;font-weight:700;color:#fff}
.btn-naranja{background:var(--naranja)}
.btn-azul{background:var(--azul)}
.btn-blanco{background:#fff;color:var(--azul-osc)}

/* Tarjetas y secciones */
h2.seccion{text-align:center;color:var(--azul-osc);margin:36px 0 6px;font-size:24px}
p.sub{text-align:center;color:#3c5670;margin-bottom:26px;font-size:14px}
.cards{display:flex;gap:22px;justify-content:center;padding:10px 24px 40px;flex-wrap:wrap}
.card{background:#fbfcfd;border:1px solid #dfe6ee;border-radius:12px;padding:26px;width:320px;max-width:100%}
.card.ancha{width:460px}
.card h3{color:var(--azul-osc);margin:12px 0 8px}
.card p{font-size:14px;color:#3c5670}
.card ul{margin-top:8px;padding-left:18px;font-size:14px;color:#3c5670}
.card li{margin-bottom:5px}
.card.destacada{background:linear-gradient(135deg,var(--verde),var(--azul));border:none}
.card.destacada h3{color:#fff}
.card.destacada p{color:#eaf6ff}
.icon{font-size:28px}

/* Franjas y destacados */
.franja{background:var(--azul-osc);color:#dfeaf5;text-align:center;padding:16px 24px;font-size:14px}
.sinergia{background:linear-gradient(135deg,var(--verde),var(--azul));padding:30px 24px;text-align:center}
.sinergia h3{color:#fff;margin-bottom:8px}
.sinergia p{color:#eaf6ff;margin-bottom:14px;font-size:14px}
.destacado{background:linear-gradient(135deg,var(--verde),var(--azul));margin:0 24px 40px;border-radius:14px;padding:34px;display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.destacado .txt{flex:1;min-width:260px}
.destacado h3{font-size:22px;color:#fff;margin-bottom:10px}
.destacado p{color:#eaf6ff;margin-bottom:14px}
.destacado ul{color:#eaf6ff;padding-left:20px;font-size:14px;margin-bottom:16px}

/* Pie con logo */
footer{background:var(--azul-osc);color:#dfeaf5;text-align:center;padding:26px 16px;font-size:14px}
footer .logo-pie img{height:46px;background:#fff;border-radius:10px;padding:6px 12px;margin-bottom:12px}
footer strong{display:block;margin-bottom:8px;color:#fff}

/* WhatsApp */
.wa{position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 6px 16px rgba(0,0,0,.25)}