body {
    margin: 0;
    font-family: 'Arial', cursive;
    color: #fff;
    background: linear-gradient(135deg, #000000 0%, #0000ff 100%);
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    width: 100%;
}

nav {
    background: #444;
    color: #fff;
    padding: 1rem;
    position: fixed; /* Keeps navbar fixed on the left side */
    top: 60px; /* Adjust this if the header height changes */
    left: 0;
    width: 200px; /* Adjust width as needed */
    height: calc(100vh - 60px); /* Full height minus header height */
    overflow-y: auto; /* Allows scrolling if content overflows */
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3); /* Optional shadow for better separation */
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav li {
    margin-bottom: 1rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    display: block;
    padding: 0.5rem;
    border-radius: 4px;
}

nav a:hover {
    background: #555;
}

.main {
    margin-left: 200px; /* Space for the fixed navbar */
    padding: 2rem;
    color: #fff;
    flex: 1;
}

.section {
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.footer {
    background: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
    width: 100%;
}

h2 {
    margin-top: 0;
}