body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f7fb;
}

header {
    background: linear-gradient(to bottom, #0c1f3f, #2e4e7e);
    padding: 20px;
    color: white;
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 24px;
}

nav {
    display: flex;
    justify-content: center;
    background-color: #112b52;
    padding: 10px 0;
}

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

main {
    max-width: 900px;
    margin: 30px auto;
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 40px;
}

section h2 {
    color: #1a355e;
}

img {
    width: 100%;
    max-width: 100%;
    border: 1px solid #ccc;
    border-radius: 6px;
    margin-top: 10px;
}

footer {
    background: #cfd8e6;
    text-align: center;
    padding: 15px;
    font-size: 14px;
    color: #333;
    margin-top: 60px;
}