.circle, .circle-overlay {
    transform-origin: center;
    transition: transform 260ms ease-out;
    position: fixed;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    border-radius: 50%;
    mix-blend-mode: difference;
}

.circle {
    background-color: var(--primary-color);
    z-index: -1;
}

.circle-overlay {
    background: #fff;
    z-index: 2;
    pointer-events: none;
}

@keyframes circleToDown {
    from {
        bottom: 130vh
    }
    to {
        bottom: -25px;
    }
}