body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7fa;
    color: #1a1a1a;
}
header {
    background-color: #0A2342;
    color: white;
    padding: 20px;
    text-align: center;
}
nav {
    background-color: #1B1F3B;
    padding: 10px;
    text-align: center;
}
nav a {
    color: #d1e8ff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}
main {
    padding: 20px;
}
footer {
    background-color: #1B1F3B;
    color: #ccc;
    text-align: center;
    padding: 15px;
    position: relative;
    bottom: 0;
    width: 100%;
}
.section {
    margin-bottom: 40px;
}
.card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}
img {
    max-width: 100%;
    border-radius: 8px;
}