body {
    margin:0;
    font-family: Arial, sans-serif;
    background:#f5f5f5;
}

header {
    background:#0d1b2a;
    color:white;
    padding:20px 0;
}

.container {
    width:90%;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

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

.hero {
    background:linear-gradient(to right,#1b263b,#415a77);
    color:white;
    padding:100px 20px;
    text-align:center;
}

.btn-primary {
    background:#00b4d8;
    color:white;
    padding:15px 25px;
    border-radius:5px;
    text-decoration:none;
}

.btn {
    background:#1b263b;
    color:white;
    padding:10px 20px;
    text-decoration:none;
    border-radius:4px;
}

.packages {
    padding:60px 20px;
    text-align:center;
}

.package-card {
    background:white;
    padding:30px;
    margin:20px;
    display:inline-block;
    width:250px;
    border-radius:10px;
    box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

.featured {
    border:2px solid #00b4d8;
}

.pwa-section {
    background:white;
    padding:60px 20px;
    text-align:center;
}

.highlight {
    font-weight:bold;
    color:#00b4d8;
    font-size:18px;
}