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

body{
line-height:1.6;
background:#f4f6f9;
color:#333;
}

.container{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 10%;
}

header{
background:#0a2540;
color:white;
}

.logo{
font-size:24px;
font-weight:bold;
}

nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:500;
}

nav a:hover{
color:#00c3ff;
}

.hero{
height:80vh;
background:linear-gradient(rgba(0,0,0,0.6),rgba(0,0,0,0.6)),
url('https://images.unsplash.com/photo-1518770660439-4636190af475');
background-size:cover;
background-position:center;
display:flex;
justify-content:center;
align-items:center;
text-align:center;
color:white;
padding:20px;
}

.hero h2{
font-size:48px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
margin-bottom:30px;
}

.btn{
background:#00c3ff;
padding:15px 30px;
color:white;
text-decoration:none;
border-radius:5px;
font-weight:bold;
}

.services{
padding:80px 10%;
text-align:center;
background:white;
}

.services h2{
font-size:36px;
margin-bottom:40px;
}

.service-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:30px;
}

.card{
background:#f4f6f9;
padding:30px;
border-radius:8px;
transition:0.3s;
}

.card:hover{
transform:translateY(-10px);
box-shadow:0 10px 25px rgba(0,0,0,0.1);
}

.about{
padding:80px 15%;
background:#0a2540;
color:white;
text-align:center;
}

.about h2{
font-size:36px;
margin-bottom:20px;
}

.contact{
padding:80px 10%;
text-align:center;
}

.contact form{
max-width:500px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}

.contact input,
.contact textarea{
padding:12px;
border:1px solid #ccc;
border-radius:5px;
}

.contact button{
background:#0a2540;
color:white;
padding:15px;
border:none;
border-radius:5px;
cursor:pointer;
}

footer{
background:#0a2540;
color:white;
text-align:center;
padding:20px;
}