/* Main Stylesheet */
body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

/* Sticky navigation bar */
nav {
    position: sticky;
    top: 0;
    background-color: #333;
    padding: 10px 0;
    color: white;
    z-index: 1000;
}

/* Portfolio filter buttons */
.filter-button {
    padding: 5px 10px;
    margin: 5px;
    background-color: #eee;
    border: none;
    cursor: pointer;
}

.filter-button.active, .filter-button:hover {
    background-color: #ccc;
}

/* Footer enhancements */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

.newsletter-signup {
    margin: 20px 0;
}