/* Base Styles */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f9f9f9;
}

/* Header */
header {
    background: #007bff;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

/* Navigation */
nav {
    display: flex;
    justify-content: center;
    background: #0056b3;
}

nav a {
    color: #fff;
    padding: 15px 20px;
    text-decoration: none;
    transition: background 0.3s;
}

nav a:hover {
    background: #004494;
}

/* Main Content */
main {
    padding: 20px;
    max-width: 900px;
    margin: auto;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Articles */
article {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

article h2 {
    font-size: 1.8em;
    color: #007bff;
}

article p {
    margin: 10px 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    background: #007bff;
    color: #fff;
}

/* Responsive Styles */
@media (max-width: 600px) {
    header h1 {
        font-size: 2em;
    }

    nav {
        flex-direction: column;
    }

    nav a {
        padding: 10px;
    }
}