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

body{
  font-family:Arial, sans-serif;
  line-height:1.6;
  color:#333;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

header{
  background:#0d3b66;
  padding:20px 0;
}

.logo{
  color:#fff;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

nav ul{
  list-style:none;
  display:flex;
}

nav ul li{
  margin-left:20px;
}

nav ul li a{
  color:#fff;
  text-decoration:none;
  font-weight:bold;
}

nav ul li a.active,
nav ul li a:hover{
  color:#f4d35e;
}

.hero{
  background:url('https://images.unsplash.com/photo-1505693416388-ac5ce068fe85') center/cover no-repeat;
  height:80vh;
}

.overlay{
  background:rgba(0,0,0,0.5);
  height:100%;
  display:flex;
  align-items:center;
  text-align:center;
  color:#fff;
}

.hero h2{
  font-size:55px;
  margin-bottom:20px;
}

.hero p{
  font-size:22px;
  margin-bottom:30px;
}

.btn{
  display:inline-block;
  background:#f4d35e;
  color:#000;
  padding:14px 30px;
  text-decoration:none;
  font-weight:bold;
  border-radius:5px;
}

.services-preview{
  padding:70px 0;
  text-align:center;
}

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

.card{
  background:#f4f4f4;
  padding:30px;
  border-radius:10px;
}

.about-preview{
  background:#eee;
  padding:70px 0;
  text-align:center;
}

.page-banner{
  background:#0d3b66;
  color:#fff;
  text-align:center;
  padding:60px 20px;
}

.page-content{
  padding:60px 0;
}

.service-box{
  background:#f4f4f4;
  padding:30px;
  margin-bottom:20px;
  border-radius:8px;
}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:20px;
  padding:60px 0;
}

.gallery-grid img{
  width:100%;
  border-radius:10px;
}

.contact-form{
  display:flex;
  flex-direction:column;
}

.contact-form input,
.contact-form textarea{
  padding:15px;
  margin-bottom:20px;
  border:1px solid #ccc;
  border-radius:5px;
}

footer{
  background:#111;
  color:#fff;
  text-align:center;
  padding:25px 0;
  margin-top:50px;
}

@media(max-width:768px){

  .nav{
    flex-direction:column;
  }

  nav ul{
    margin-top:15px;
    flex-direction:column;
    text-align:center;
  }

  nav ul li{
    margin:10px 0;
  }

  .hero h2{
    font-size:38px;
  }
}