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

body{
    background:#f5f7fa;
    color:#333;
    line-height:1.6;
}

header{
    background:#0b3d91;
    color:#fff;
    padding:20px 0;
    text-align:center;
}

header h1{
    font-size:36px;
}

header p{
    margin-top:8px;
}

nav{
    margin-top:15px;
}

nav a{
    color:#fff;
    text-decoration:none;
    margin:0 15px;
    font-weight:bold;
}

nav a:hover{
    color:#ffd700;
}

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

.hero{
    background:#0b3d91;
    color:#fff;
    text-align:center;
    padding:80px 20px;
}

.hero h2{
    font-size:42px;
    margin-bottom:15px;
}

.hero p{
    font-size:18px;
    margin-bottom:25px;
}

.btn{
    display:inline-block;
    background:#25D366;
    color:#fff;
    padding:12px 25px;
    text-decoration:none;
    border-radius:5px;
    font-weight:bold;
}

.btn:hover{
    background:#128C7E;
}

section{
    padding:60px 20px;
}

h2{
    text-align:center;
    margin-bottom:30px;
    color:#0b3d91;
}

.card{
    background:#fff;
    margin:15px;
    padding:20px;
    border-radius:10px;
    box-shadow:0 5px 15px rgba(0,0,0,.1);
}

footer{
    background:#0b3d91;
    color:#fff;
    text-align:center;
    padding:20px;
    margin-top:40px;
}