body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f6f8;
    color: #222;
}

header {
    background: #245b8f;
    color: white;
    padding: 20px;
}

header h1 {
    margin: 0 0 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 25px;
    max-width: 1100px;
    margin: auto;
}

footer {
    background: #ddd;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}

.hero {
    background: white;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
}