* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

.header {
    background: #0a3d62;
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

.nav {
    background: #ffffff;
    border-bottom: 1px solid #ddd;
}

.nav a {
    display: inline-block;
    padding: 15px;
    color: #0a3d62;
    text-decoration: none;
    font-weight: bold;
}

.nav a:hover {
    background: #f1f1f1;
}

.hero {
    background: linear-gradient(to right, #0a3d62, #1e90ff);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.section {
    padding: 50px 0;
    background: #ffffff;
}

.section.alt {
    background: #f1f5f9;
}

.section h2 {
    margin-bottom: 20px;
    color: #0a3d62;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #ffffff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.footer {
    background: #0a3d62;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

a {
    color: #1e90ff;
}