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

body{
background:#f8f9fa;
color:#333;
line-height:1.6;
}

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

header{
background:#003366;
color:white;
padding:20px 0;
}

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

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

.hero{
background:linear-gradient(135deg,#0056b3,#0099ff);
color:white;
padding:100px 20px;
text-align:center;
}

.hero h1{
font-size:48px;
margin-bottom:20px;
}

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

.btn{
background:#ff9800;
color:white;
padding:15px 30px;
border-radius:5px;
text-decoration:none;
font-weight:bold;
}

section{
padding:70px 0;
}

h2{
margin-bottom:25px;
color:#003366;
text-align:center;
}

.card{
background:white;
padding:25px;
margin:15px 0;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,.1);
}

footer{
background:#003366;
color:white;
text-align:center;
padding:25px;
margin-top:40px;
}

@media(max-width:768px){

header .container{
flex-direction:column;
}

nav{
margin-top:15px;
}

.hero h1{
font-size:34px;
}

.hero p{
font-size:18px;
}

}