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

:root {
  --font-color: rgb(255, 240, 250);
  --cy: calc(100vh / 100);
}

body {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow-y: hidden;
  overflow-x: scroll;
  background-color: black;

  font-family: 'Raleway', sans-serif;
  color: var(--font-color);
  text-transform: uppercase;
}

/* CONTROLLER */

nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;

  width: 4em;
  height: 100vh;

  display: flex;
  flex-direction: column;

  border-right: 2px solid var(--font-color);
  mix-blend-mode: difference;

  font-size: 1.2em;
  letter-spacing: 0.5em;
}

#play {
  opacity: 1;
}
#pause {
  opacity: 1;
}
#volume {
  opacity: 1;
}
#volume input {
  width: 14vmin;
}
#stop {
}

.testdiv {
  width: 300px;
  height: calc(100 * var(--cy));
  background-color: blue;
  position: fixed;
  top: 0;
  left: 0;
}

.controler {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.controler div {
  transform: rotate(270deg);
  transition: all 50ms linear;
}
.controler:hover div {
  margin-left: -0.5em;
}

/* MAIN-CONTAINER, horizontal scrollable */

.main-container {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;

  width: max-content;

  font-weight: 900;

  display: flex;
}

/* ANIMATIONS */

.font-m {
  font-size: calc(6 * var(--cy)) !important;
  font-weight: 200;
  padding: 0 4em;
}

.vertical-text {
  justify-content: center !important;
  width: calc(30 * var(--cy)) !important;
}

.vertical-text div {
  transform: rotate(90deg);
  font-size: calc(38 * var(--cy));
  position: absolute;
}

.strobo {
  animation: strobo 600ms ease infinite alternate;
  background-color: white !important;
  mix-blend-mode: difference;
}
.strobo:hover {
  animation-duration: 50ms;
}
@keyframes strobo {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    /* filter: invert(1); */
  }
}

/* GRID ELEMENTS */

.helpgrid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;

  display: grid;
  grid-template-columns: repeat(1fr);

  display: none;
}

.helpgrid div {
  border-bottom: 1px solid yellow;
  opacity: 0.7;
}

.column {
  /* min-width: 300px; */
  height: 100%;
  position: relative;
  padding: 0 0;
}

.column > div {
  overflow: hidden;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: relative;
}

.column img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.first-column {
  margin-left: 7em;
}

.flash-animation {
  opacity: calc(var(--sound) / 200);
  -webkit-text-stroke: 0.01em var(--font-color);
  -webkit-text-fill-color: transparent;
  color: var(--font-color);
}

.cell-20 {
  height: 20%;
  width: 100%;
  font-size: calc(27 * var(--cy));
  line-height: 0.9;
}
.cell-25 {
  height: 25%;
  width: 100%;
  /* background-color: blue; */
  font-size: calc(34.5 * var(--cy));
  line-height: 0.73;
}
.cell-33 {
  height: 33%;
  max-width: 100;
  overflow-x: hidden;
  /* background-color: blue; */
  font-size: calc(45.5 * var(--cy));

  line-height: 0.73;
}
.cell-40 {
  height: 40%;
  width: 100%;
  font-size: calc(40 * var(--cy));

  line-height: 0.73;
}
.cell-50 {
  height: 50%;
  width: 100%;
  font-size: calc(68 * var(--cy));

  line-height: 0.73;
}

.cell-60 {
  height: 60%;
  width: 100%;
  font-size: calc(62 * var(--cy));
  line-height: 0.73;
}

.cell-80 {
  height: 80%;
  width: 100%;
  font-size: calc(110 * var(--cy));

  line-height: 0.73;
}
.cell-100 {
  height: 100%;
  width: 100%;
  font-size: calc(130 * var(--cy));

  line-height: 0.8;
}

.text-on-image {
  position: relative;
  display: flex;
  align-items: flex-end;
  height: 100%;
  margin: 0 0.15em;
}

.text-on-image > div {
  position: relative;
  top: 0;
  left: 0;
  mix-blend-mode: difference;
  font-weight: 400;
  padding-bottom: 2em;
}
.text-on-image > img {
  position: absolute;
  top: 0;
  left: 0;
}

/* SQUARE STYLES */

.square {
  width: 100%;
  height: 100%;
  background-color: var(--font-color);
  transition: transform 200ms linear;
  position: absolute;
}

/* MEDIA QUERIES */

@media screen and (max-width: 600px) {
  .controler div {
    font-size: 0.8em;
    letter-spacing: 0.2em;
    font-weight: 600;
    transform: rotate(0deg);
  }

  nav {
    width: 100vw;
    height: calc(100vh - 100 * var(--cy));
    flex-direction: row;
    border-bottom: 2px solid var(--font-color);
    border-right: none;
    position: fixed !important;
  }

  .controler:hover div {
    margin-bottom: -0.3em;
    margin-left: unset;
  }

  .first-column {
    margin-left: 1em;
  }

  .main-container {
    top: 72px;
    bottom: 0;
    left: 0em;
  }

  .helpgrid {
    top: 72px;
  }
}

input[type='range'] {
  width: 100%;
  margin: 0px 0;
  background-color: transparent;
  -webkit-appearance: none;
}
input[type='range']:focus {
  outline: none;
}
input[type='range']::-webkit-slider-runnable-track {
  background: none;
  border: 2px solid var(--font-color);
  border-radius: 0px;
  width: 100%;
  height: 16px;
  cursor: pointer;
}
input[type='range']::-webkit-slider-thumb {
  margin-top: 0px;
  width: 16px;
  height: 16px;
  background: #000000;
  border: 0.9px solid #ffffff;
  cursor: pointer;
  -webkit-appearance: none;
}
input[type='range']:focus::-webkit-slider-runnable-track {
  background: none;
  border: 2px solid var(--font-color);
}
input[type='range']::-moz-range-track {
  background: none;
  border: 2px solid var(--font-color);
  border-radius: 0;
  width: 100%;
  height: 16px;
  cursor: pointer;
}
input[type='range']::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #000000;
  border: 0.9px solid #ffffff;
  cursor: pointer;
}
input[type='range']::-ms-track {
  background: transparent;
  border-color: transparent;
  border-width: 0px 0;
  color: transparent;
  width: 100%;
  height: 16px;
  cursor: pointer;
}
input[type='range']::-ms-fill-lower {
  background: #f2f2f2;
  border: 0;
  border-radius: 2.6px;
}
input[type='range']::-ms-fill-upper {
  background: #ffffff;
  border: 0;
  border-radius: 2.6px;
}
input[type='range']::-ms-thumb {
  width: 16px;
  height: 16px;
  background: #000000;
  border: 0.9px solid #ffffff;
  cursor: pointer;
  margin-top: 0px;
  /*Needed to keep the Edge thumb centred*/
}
input[type='range']:focus::-ms-fill-lower {
  background: #ffffff;
}
input[type='range']:focus::-ms-fill-upper {
  background: #ffffff;
}
/*TODO: Use one of the selectors from https://stackoverflow.com/a/20541859/7077589 and figure out
how to remove the virtical space around the range input in IE*/
@supports (-ms-ime-align: auto) {
  /* Pre-Chromium Edge only styles, selector taken from hhttps://stackoverflow.com/a/32202953/7077589 */
  input[type='range'] {
    margin: 0;
    /*Edge starts the margin from the thumb, not the track as other browsers do*/
  }
}