body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #e0f2f9;
    color: #003366;
}
header {
    background: #003366;
    color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    height: 60px;
}
nav a {
    color: white;
    margin-left: 1rem;
    text-decoration: none;
}
.hero {
    text-align: center;
    padding: 3rem 2rem;
    background: #0077b6;
    color: white;
}
.cta-button {
    display: inline-block;
    margin-top: 1rem;
    background: white;
    color: #0077b6;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
}
section {
    padding: 2rem;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}
footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 1rem;
}