* {
    border: 0;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #e3e4e8;
    --fg: #17181c;
    --dur: 8s;
    font-size: calc(20px + (30 - 20) * (100vw - 320px) / (1280 - 320));
}

body {
    background: var(--bg);
    color: var(--fg);
    font: bold 1em/1.5 "Comfortaa", sans-serif;
    display: grid;
    place-items: center;
    align-content: center;
    height: 100vh;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hexagon {
    margin-bottom: 1.5em;
    overflow: hidden;
    position: relative;
    width: 15em;
    height: 15em;
}

.hexagon__group,
.hexagon__sector,
.hexagon__sector:before,
.hexagon__sector:after {
    position: absolute;
}

.hexagon__group {
    width: 100%;
    height: 100%;
}

.hexagon__group:nth-child(2) .hexagon__sector,
.hexagon__group:nth-child(2) .hexagon__sector:before,
.hexagon__group:nth-child(2) .hexagon__sector:after {
    animation-delay: calc(var(--dur) * -1/6);
}

.hexagon__group:nth-child(3) .hexagon__sector,
.hexagon__group:nth-child(3) .hexagon__sector:before,
.hexagon__group:nth-child(3) .hexagon__sector:after {
    animation-delay: calc(var(--dur) * -2/6);
}

.hexagon__group:nth-child(4) .hexagon__sector,
.hexagon__group:nth-child(4) .hexagon__sector:before,
.hexagon__group:nth-child(4) .hexagon__sector:after {
    animation-delay: calc(var(--dur) * -3/6);
}

.hexagon__group:nth-child(5) .hexagon__sector,
.hexagon__group:nth-child(5) .hexagon__sector:before,
.hexagon__group:nth-child(5) .hexagon__sector:after {
    animation-delay: calc(var(--dur) * -4/6);
}

.hexagon__group:nth-child(6) .hexagon__sector,
.hexagon__group:nth-child(6) .hexagon__sector:before,
.hexagon__group:nth-child(6) .hexagon__sector:after {
    animation-delay: calc(var(--dur) * -5/6);
}

.hexagon__group:nth-child(odd) {
    transform: rotate(30deg);
}

.hexagon__sector,
.hexagon__sector:before,
.hexagon__sector:after {
    animation-duration: var(--dur);
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    /*animation-play-state: paused;*/
    width: 0.2em;
    height: 0.2em;
}

.hexagon__sector {
    animation-name: moveOut1;
    top: calc(50% - 0.1em);
    left: calc(50% - 0.1em);
}

.hexagon__sector:nth-child(2) {
    animation-name: moveOut2;
}

.hexagon__sector:nth-child(3) {
    animation-name: moveOut3;
}

.hexagon__sector:nth-child(4) {
    animation-name: moveOut4;
}

.hexagon__sector:nth-child(5) {
    animation-name: moveOut5;
}

.hexagon__sector:nth-child(6) {
    animation-name: moveOut6;
}

.hexagon__sector:before,
.hexagon__sector:after {
    animation-name: ripple;
    background-color: currentColor;
    border-radius: 0.1em;
    content: "";
    display: block;
    top: 0;
    left: 0;
    transform-origin: 0.1em 0.1em;
}

.hexagon__sector:before {
    transform: rotate(-30deg)
}

.hexagon__sector:after {
    transform: rotate(-150deg)
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #17181c;
        --fg: #e3e4e8;
    }
}

/* Animations */
@keyframes moveOut1 {
    from {
        transform: translateY(0) scale(0);
    }

    3% {
        transform: translateY(0.2em) scale(1);
    }

    97% {
        transform: translateY(7.3em) scale(1);
    }

    to {
        transform: translateY(7.5em) scale(0);
    }
}

@keyframes moveOut2 {
    from {
        transform: rotate(60deg) translateY(0) scale(0);
    }

    3% {
        transform: rotate(60deg) translateY(0.2em) scale(1);
    }

    97% {
        transform: rotate(60deg) translateY(7.3em) scale(1);
    }

    to {
        transform: rotate(60deg) translateY(7.5em) scale(0);
    }
}

@keyframes moveOut3 {
    from {
        transform: rotate(120deg) translateY(0) scale(0);
    }

    3% {
        transform: rotate(120deg) translateY(0.2em) scale(1);
    }

    97% {
        transform: rotate(120deg) translateY(7.3em) scale(1);
    }

    to {
        transform: rotate(120deg) translateY(7.5em) scale(0);
    }
}

@keyframes moveOut4 {
    from {
        transform: rotate(180deg) translateY(0) scale(0);
    }

    3% {
        transform: rotate(180deg) translateY(0.2em) scale(1);
    }

    97% {
        transform: rotate(180deg) translateY(7.3em) scale(1);
    }

    to {
        transform: rotate(180deg) translateY(7.5em) scale(0);
    }
}

@keyframes moveOut5 {
    from {
        transform: rotate(240deg) translateY(0) scale(0);
    }

    3% {
        transform: rotate(240deg) translateY(0.2em) scale(1);
    }

    97% {
        transform: rotate(240deg) translateY(7.3em) scale(1);
    }

    to {
        transform: rotate(240deg) translateY(7.5em) scale(0);
    }
}

@keyframes moveOut6 {
    from {
        transform: rotate(300deg) translateY(0) scale(0);
    }

    3% {
        transform: rotate(300deg) translateY(0.2em) scale(1);
    }

    97% {
        transform: rotate(300deg) translateY(7.3em) scale(1);
    }

    to {
        transform: rotate(300deg) translateY(7.5em) scale(0);
    }
}

@keyframes ripple {

    from,
    to {
        width: 0.2em;
    }

    33% {
        width: 2.4em;
    }
}