body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background: url('bg.png') no-repeat center center fixed;
    background-size: cover;
    color: cyan;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 50% transparency */
    z-index: -1;
}

header {
    padding: 20px;
    font-size: 24px;
    color: cyan;
}

header img {
    border-radius: 50%;
    margin-top: 10px;
}

section {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

a {
    color: cyan;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #00ffff;
}

footer {
    color: cyan;
    padding: 10px;
    text-align: center;
    position: relative;
    bottom: 0;
    width: 100%;
}

#revealVideo {
    display: none;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    max-width: 90%;
    margin: 20px auto;
    display: block;
}

#revealVideo.show {
    opacity: 1;
}

#secretSound {
    display: none;
}