body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #f4faff;
    color: #003366;
}
header.hero {
    text-align: center;
    background: #007BFF;
    color: white;
    padding: 50px 20px;
}
header.hero img {
    width: 180px;
    border-radius: 100px;
    border: 5px solid white;
}
header.hero h1 {
    font-size: 2.5em;
    margin: 0.5em 0 0.2em;
}
header.hero p {
    font-size: 1.2em;
}
.btn {
    display: inline-block;
    margin-top: 15px;
    background: white;
    color: #007BFF;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}
section {
    padding: 40px 20px;
    max-width: 900px;
    margin: auto;
}
h2 {
    color: #003366;
}
footer {
    text-align: center;
    padding: 20px;
    background: #003366;
    color: white;
}