body {
    margin: 0;
    background: black;
    color: white;
    font-family: sans-serif;
    overflow-x: hidden;
}

.panel {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    position: relative;
}

.bg-video {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.title {
    font-size: 5rem;
    letter-spacing: 10px;
}

.section1 { background: #000; }
.section2 { background: #111; }
.section3 { background: #000; }