body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.sticky-header {
    position: sticky;
    top: 0;
    background-color: transparent;
    color: #000;
    padding: 15px;
    text-align: center;
    z-index: 1000; /* Ensure it stays above other content */
    transition: background-color 0.3s, color 0.3s; /* Smooth transition */
}

.content-section {
    height: 100vh; /* Full height for each section */
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f4f4f4;
}

.content-section:nth-child(even) {
    background-color: #eaeaea; /* Alternate background color for contrast */
}

.content-section h2 {
    margin: 0;
}