body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  background:#f4f6f8;
  color:#333;
}

.header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:15px 40px;
  background:#111;
  color:white;
}

.logo{
  display:flex;
  align-items:center;
  flex-shrink:0;
}

.logo-image{
  width:56px;
  height:56px;
  max-width:56px;
  max-height:56px;
  display:block;
  object-fit:contain;
}

.nav a{
  margin-left:20px;
  color:white;
  text-decoration:none;
  font-size:16px;
}

.nav a:hover{
  color:#00bfff;
}

.menu-btn{
  display:none;
  font-size:24px;
  cursor:pointer;
}

.hero{
  text-align:center;
  padding:80px 20px;
  background:#1e293b;
  color:white;
}

.hero h1{
  font-size:40px;
  margin-bottom:20px;
}

.hero p{
  font-size:18px;
  max-width:600px;
  margin:auto;
}

.content{
  max-width:800px;
  margin:auto;
  padding:40px 20px;
}

.content h2{
  margin-top:40px;
  color:#111;
}

footer{
  margin-top:60px;
  text-align:center;
  padding:30px;
  background:#111;
  color:white;
}

@media (max-width:700px){
  .nav{
    display:none;
    flex-direction:column;
    background:#111;
    position:absolute;
    top:60px;
    left:0;
    width:100%;
  }

  .nav a{
    padding:15px;
    border-top:1px solid #333;
    margin-left:0;
  }

  .menu-btn{
    display:block;
  }

  .nav.active{
    display:flex;
  }

  .logo-image{
    width:40px;
    height:40px;
    max-width:40px;
    max-height:40px;
  }
}