* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f7fa;
    color: #333;
}

header {
    background: #0d6efd;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

header h1 {
    font-size: 3rem;
}

nav {
    background: #083b8a;
    text-align: center;
    padding: 15px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

section {
    padding: 50px 20px;
    max-width: 1000px;
    margin: auto;
}

h2 {
    margin-bottom: 20px;
    color: #0d6efd;
}

.card-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 20px;
    flex: 1;
    min-width: 250px;
    border-radius: 10px;
    box-shadow: 0px 2px 8px rgba(0,0,0,0.1);
}

footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 20px;
}