*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:#10233f;
  background:#f4f8ff;
}
a{text-decoration:none}

.topbar{
  background:white;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 6%;
  box-shadow:0 4px 18px rgba(0,35,90,.12);
  position:sticky;
  top:0;
  z-index:10;
}
.brand{display:flex;align-items:center;gap:14px}
.logo{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#003b7a,#0b74d1);
  color:white;
  display:flex;align-items:center;justify-content:center;
  font-size:42px;font-weight:bold;
  border:4px solid #d7e9ff;
}
.brand h1{font-size:25px;color:#062c66}
.brand p{text-transform:uppercase;letter-spacing:4px;color:#1f70c1;font-size:12px}
nav a{
  color:#10233f;
  margin-left:24px;
  font-weight:bold;
}
nav a:hover{color:#075ec8}

.hero{
  min-height:590px;
  display:flex;
  align-items:center;
  padding:70px 6%;
  background:
    linear-gradient(90deg,rgba(0,45,105,.96),rgba(0,75,150,.75),rgba(0,0,0,.1)),
    url('https://images.unsplash.com/photo-1573497491208-6b1acb260507?auto=format&fit=crop&w=1600&q=80');
  background-size:cover;
  background-position:center;
  color:white;
}
.hero-content{max-width:680px}
.hero h2{font-size:48px;line-height:1.15;margin-bottom:20px}
.hero p{font-size:22px;margin-bottom:30px}
.btn{
  display:inline-block;
  padding:15px 25px;
  border-radius:8px;
  font-weight:bold;
  margin:8px 10px 8px 0;
}
.primary{background:#0b74d1;color:white}
.primary:hover{background:#075aa5}
.secondary{background:white;color:#063c7c;border:2px solid #0b74d1}
.secondary:hover{background:#eaf4ff}

.features{
  margin:-48px 6% 30px;
  background:linear-gradient(135deg,#002b63,#0056a8);
  color:white;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  padding:25px;
  border-radius:18px;
  box-shadow:0 12px 30px rgba(0,42,100,.28);
}
.features div{
  border-right:1px solid rgba(255,255,255,.25);
  padding:10px;
}
.features div:last-child{border-right:none}

.section{padding:50px 6%;text-align:center}
.section h2{font-size:38px;color:#062c66}
.subtitle{margin:10px 0 30px;color:#40546f}

.cards{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
}
.card{
  background:white;
  border-radius:14px;
  padding:28px 18px;
  box-shadow:0 6px 20px rgba(0,45,105,.12);
  border:1px solid #dceaff;
  min-height:250px;
}
.card:hover{transform:translateY(-4px);transition:.2s}
.icon{font-size:42px;margin-bottom:12px}
.card h3{color:#063c7c;margin-bottom:12px}
.card p{font-size:15px;color:#40546f}
.card a{display:block;margin-top:18px;color:#075ec8;font-weight:bold}

.promo-grid{
  padding:20px 6% 45px;
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:22px;
}
.promo{
  min-height:280px;
  border-radius:18px;
  padding:35px;
  box-shadow:0 8px 25px rgba(0,45,105,.16);
}
.promo.dark{
  background:linear-gradient(135deg,#002b63,#0056a8);
  color:white;
}
.promo.light{
  background:white;
  color:#10233f;
}
.promo h2{font-size:27px;margin-bottom:16px}
.promo p{margin-bottom:22px;font-size:17px}

.contact{
  margin:20px 6% 45px;
  padding:45px;
  background:linear-gradient(135deg,#003b7a,#0b74d1);
  color:white;
  border-radius:18px;
  text-align:center;
}
.contact h2{font-size:34px}
.whatsapp{
  display:inline-block;
  margin-top:20px;
  background:#25d366;
  color:white;
  padding:16px 26px;
  border-radius:10px;
  font-weight:bold;
}

footer{
  background:#001f49;
  color:white;
  padding:40px 6%;
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:30px;
}
footer a{
  display:block;
  color:white;
  margin:7px 0;
}
.copy{
  background:#001633;
  color:white;
  text-align:center;
  padding:15px;
  font-size:14px;
}

.page{
  padding:65px 8%;
}
.page h1{
  font-size:42px;
  color:#062c66;
  margin-bottom:20px;
}
.page p{
  font-size:18px;
  color:#40546f;
  margin-bottom:18px;
}
.blue-box{
  background:white;
  border-left:8px solid #0b74d1;
  padding:30px;
  border-radius:14px;
  box-shadow:0 6px 20px rgba(0,45,105,.12);
  margin:25px 0;
}

@media(max-width:950px){
  .topbar{display:block;text-align:center}
  nav{margin-top:18px}
  nav a{display:inline-block;margin:8px}
  .hero h2{font-size:36px}
  .features,.cards,.promo-grid,footer{grid-template-columns:1fr}
  .features{margin:0;border-radius:0}
  .features div{border-right:none;border-bottom:1px solid rgba(255,255,255,.25)}
}