body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f8f8f8;
}

header {
    background: #003366;
    color: white;
    padding: 1rem;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

nav {
    margin-top: 0.5rem;
}

nav a {
    color: white;
    margin-right: 1rem;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    background: #e6eef8;
    padding: 2rem;
    text-align: center;
}

.hero h2 {
    margin: 0;
    color: #003366;
}

.hero img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 8px;
    margin-top: 1rem;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: auto;
    padding: 1rem;
}

.image-block {
    text-align: left;
    margin: 1.5rem 0;
}

.image-block img {
    max-width: 50%;
    border-radius: 8px;
}

aside {
    flex: 1;
    padding: 1rem;
    background: #f0f0f0;
    margin-right: 1rem;
    border-radius: 8px;
}

main {
    flex: 3;
    padding: 1rem;
    background: white;
    border-radius: 8px;
}

section {
    margin-bottom: 2rem;
}

h2 {
    color: #003366;
}

footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    aside {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}