body {
    margin: 0;
    padding: 0;
    background: #000;
}

section {
    height: 100vh;
    background: #000;
}

section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #f00, #f00, #0f0, #0ff, #ff0, #0ff);
    mix-blend-mode: color;
    pointer-events: none;
}

video {
    object-fit: cover;
}

h1 {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 5em;
    font-family: sans-serif;
    letter-spacing: 0.2em;
}

h1 span {
    opacity: 0;
    display: inline-block;
    animation: animate 1s linear forwards;
}

@keyframes animate {
    0% {
        opacity: 0;
        transform: rotateY(90deg);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: rotateY(0deg);
        filter: blur(0);
    }
}

h1 span:nth-child(1) {
    animation-delay: 0s;
}

h1 span:nth-child(2) {
    animation-delay: 0.25s;
}

h1 span:nth-child(3) {
    animation-delay: 0.75s;
}

h1 span:nth-child(4) {
    animation-delay: 1.5s;
}

h1 span:nth-child(5) {
    animation-delay: 1.75s;
}

h1 span:nth-child(6) {
    animation-delay: 2s;
}

h1 span:nth-child(7) {
    animation-delay: 2.5s;
}

h1 span:nth-child(8) {
    animation-delay: 3s;
}

h1 span:nth-child(9) {
    animation-delay: 3.5s;
}