*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial,sans-serif;
}

body{
  background:#0b1220;
  color:white;
  line-height:1.6;
}

.hero{
  background:linear-gradient(135deg,#06142f,#103a7d);
  padding:20px;
  text-align:center;
}

nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:60px;
}

nav h1{
  color:#4da3ff;
  font-size:28px;
  font-weight:bold;
}

.btn,.main-btn{
  background:#4da3ff;
  color:white;
  padding:12px 22px;
  border-radius:10px;
  text-decoration:none;
  display:inline-block;
}

.hero-content h2{
  font-size:48px;
  margin-bottom:15px;
}

.hero-content p{
  max-width:650px;
  margin:auto;
  margin-bottom:25px;
  color:#d4d4d4;
}

.services,.contact{
  padding:60px 20px;
  text-align:center;
}

.services h2,.why h2,.contact h2{
  margin-bottom:30px;
  color:#4da3ff;
}

.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
}

.card{
  background:#16233f;
  padding:25px;
  border-radius:14px;
  transition:0.3s ease;
}

.card:hover{
  transform:translateY(-6px);
}

.why{
  background:#101a30;
  padding:60px 20px;
  text-align:center;
}

.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:20px;
}

.features div{
  background:#16233f;
  padding:20px;
  border-radius:12px;
}

footer{
  background:#050b17;
  padding:20px;
  text-align:center;
  color:#9a9a9a;
}

@media(max-width:768px){
  nav{
    flex-direction:column;
    gap:15px;
  }

  .hero-content h2{
    font-size:34px;
  }
}