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

/* Body Styling */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

/* Header */
header {
    background-color: #1e3a8a;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Navigation */
nav {
    margin-top: 10px;
}

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

nav a:hover {
    text-decoration: underline;
}

/* Layout using Flexbox */
.container {
    display: flex;
    justify-content: space-around;
    padding: 40px;
}

/* Card Styling */
.card {
    background: white;
    width: 300px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
    text-align: center;
    transition: transform 0.3s;
}

/* Hover Effect */
.card:hover {
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: #1e3a8a;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        align-items: center;
    }

    .card {
        margin-bottom: 20px;
    }
}