body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background: #0078d7;
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

nav ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background: #005bb5;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

section {
    margin-bottom: 2rem;
    padding: 1rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: #0078d7;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

section p {
    margin: 0.5rem 0;
    font-size: 1rem;
    line-height: 1.8;
}

section ul {
    list-style: none;
    padding: 0;
}

section ul li {
    margin: 0.5rem 0;
}

section ul li a {
    color: #0078d7;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

section ul li a:hover {
    color: #005bb5;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}