*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:Arial, sans-serif;
  background:#0b1020;
  color:#fff;
  line-height:1.6;
}

.hero{
  width:100%;
  overflow:hidden;
}

.hero-img{
  width:100%;
  height:auto;
  display:block;
}

.navbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 40px;
  background:#10172f;
  border-bottom:2px solid #ff3131;
  flex-wrap:wrap;
}

.logo{
  font-size:2rem;
  font-weight:bold;
  color:#fff;
}

.logo span{
  color:#ff3131;
}

.navbar ul{
  display:flex;
  list-style:none;
  gap:20px;
  flex-wrap:wrap;
}

.navbar a{
  color:#fff;
  text-decoration:none;
  transition:0.3s;
}

.navbar a:hover{
  color:#ff3131;
}

.headline{
  text-align:center;
  padding:60px 20px;
}

.headline h1{
  font-size:3rem;
  margin-bottom:15px;
}

.headline p{
  font-size:1.2rem;
  color:#d0d0d0;
}

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
  gap:20px;
  padding:40px;
}

.card{
  background:#182445;
  padding:30px;
  border-radius:15px;
  transition:0.3s;
  border:1px solid rgba(255,255,255,0.1);
}

.card:hover{
  transform:translateY(-5px);
  border-color:#ff3131;
}

.card h2{
  margin-bottom:15px;
  color:#ff3131;
}

footer{
  text-align:center;
  padding:25px;
  background:#10172f;
  margin-top:30px;
}

@media(max-width:768px){

  .navbar{
    flex-direction:column;
    gap:15px;
    text-align:center;
  }

  .headline h1{
    font-size:2rem;
  }

  .headline p{
    font-size:1rem;
  }

  .cards{
    padding:20px;
  }

}