body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

header {
    background: #0a3d62;
    color: white;
}

    header h1 {
        margin: 0;
    }

nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(rgba(10,61,98,0.7), rgba(10,61,98,0.7)), url('https://images.unsplash.com/photo-1580281657527-47d8b2b1d7d1');
    background-size: cover;
    color: white;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: #38ada9;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.section {
    padding: 60px 20px;
    text-align: center;
}

    .section.alt {
        background: #f4f4f4;
    }

.cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 20px;
    width: 250px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 10px;
}

footer {
    background: #0a3d62;
    color: white;
    text-align: center;
    padding: 20px;
}