.burn-scene {
    position: fixed;
    z-index: 11;
    pointer-events: none;
    overflow: hidden;
}

.burn-circle {
    position: absolute;
    left: 50%;
    top: 50%;

    width: 0;
    aspect-ratio: 1;

    transform: translate(-50%, -50%);

    background: #0A0A0A;
    border: 8px solid #ff4500;
    border-radius: 50%;

    box-shadow:
        0 0 15px #ff0000,
        0 0 25px #ff8c00;

    transition: width 5s ease;
}