* {
  position: relative;
  box-sizing: border-box; }

html,
body {
  height: 100%; }

html {
  background-color: #000; }

body {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.5);
  font-family: "Russo One", arial, sans-serif;
  line-height: 1.25;
  letter-spacing: 0.06em; }

.hide {
  opacity: 0;
  visibility: hidden; }

.remove {
  display: none !important; }

.blur {
  filter: blur(12px); }

.container {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center; }

.loading-init {
  width: 100%;
  align-self: center;
  text-align: center;
  text-transform: uppercase; }
  .loading-init__header {
    font-size: 5.2em; }
  .loading-init__status {
    margin-top: 1em;
    font-size: 0.8em;
    opacity: 0.75; }

.stage-container {
  overflow: hidden;
  box-sizing: initial;
  border: 1px solid #222;
  margin: -1px; }
  @media (max-width: 840px) {
    .stage-container {
      border: none;
      margin: 0; } }

.canvas-container {
  width: 100%;
  height: 100%;
  transition: filter 0.3s; }
  .canvas-container canvas {
    position: absolute;
    mix-blend-mode: lighten;
    transform: translateZ(0); }

.controls {
  position: absolute;
  top: 0;
  width: 100%;
  padding-bottom: 50px;
  display: flex;
  justify-content: space-between;
  transition: opacity 0.3s, visibility 0.3s; }
  @media (min-width: 840px) {
    .controls {
      visibility: visible; }
      .controls.hide:hover {
        opacity: 1; } }

.menu {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.42);
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1000; }
  .menu__inner-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    transition: opacity 0.3s; }
  .menu__header {
    margin-top: auto;
    margin-bottom: 8px;
    padding-top: 16px;
    font-size: 2em;
    text-transform: uppercase; }
  .menu__subheader {
    margin-bottom: auto;
    padding-bottom: 12px;
    font-size: 0.86em;
    opacity: 0.8; }
  .menu form {
    width: 100%;
    max-width: 400px;
    padding: 0 10px;
    overflow: auto;
    -webkit-overflow-scrolling: touch; }
  .menu .form-option {
    display: flex;
    align-items: center;
    margin: 16px 0;
    transition: opacity 0.3s; }
    .menu .form-option label {
      display: block;
      width: 50%;
      padding-right: 12px;
      text-align: right;
      text-transform: uppercase;
      user-select: none; }
    .menu .form-option--select select {
      display: block;
      width: 50%;
      height: 30px;
      font-size: 1rem;
      font-family: "Russo One", arial, sans-serif;
      color: rgba(255, 255, 255, 0.5);
      letter-spacing: 0.06em;
      background-color: transparent;
      border: 1px solid rgba(255, 255, 255, 0.5); }
      .menu .form-option--select select option {
        background-color: black; }
    .menu .form-option--checkbox input {
      display: block;
      width: 26px;
      height: 26px;
      margin: 0;
      opacity: 0.5; }
    @media (max-width: 840px) {
      .menu .form-option select,
      .menu .form-option input {
        outline: none; } }

.close-menu-btn {
  position: absolute;
  top: 0;
  right: 0; }

.btn {
  opacity: 0.16;
  width: 50px;
  height: 50px;
  display: flex;
  user-select: none;
  cursor: default;
  transition: opacity 0.3s; }
  .btn--bright {
    opacity: 0.5; }
  @media (min-width: 840px) {
    .btn:hover {
      opacity: 0.32; }
    .btn--bright:hover {
      opacity: 0.75; } }
  .btn svg {
    display: block;
    margin: auto; }

.credits {
  margin-top: auto;
  margin-bottom: 10px;
  padding-top: 6px;
  font-size: 0.8em;
  opacity: 0.75; }
  .credits a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none; }
    .credits a:hover, .credits a:active {
      color: rgba(255, 255, 255, 0.75);
      text-decoration: underline; }

.help-modal {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  visibility: hidden;
  transition-property: visibility;
  transition-duration: 0.25s; }
  .help-modal__overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transition-property: opacity;
    transition-timing-function: ease-in;
    transition-duration: 0.25s; }
  .help-modal__dialog {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 400px;
    max-height: calc(100vh - 100px);
    margin: 10px;
    padding: 20px;
    border-radius: 0.3em;
    background-color: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: scale(0.9, 0.9);
    transition-property: opacity, transform;
    transition-timing-function: ease-in;
    transition-duration: 0.25s; }
    @media (min-width: 840px) {
      .help-modal__dialog {
        font-size: 1.25rem;
        max-width: 500px; } }
  .help-modal__header {
    font-size: 1.75em;
    text-transform: uppercase;
    text-align: center; }
  .help-modal__body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1em 0;
    padding: 1em 0;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.75); }
  .help-modal__close-btn {
    flex-shrink: 0;
    outline: none;
    border: none;
    border-radius: 2px;
    padding: 0.25em 0.75em;
    margin-top: 0.36em;
    font-family: "Russo One", arial, sans-serif;
    font-size: 1em;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background-color: rgba(255, 255, 255, 0.25);
    transition: color 0.3s, background-color 0.3s; }
    .help-modal__close-btn:hover, .help-modal__close-btn:active, .help-modal__close-btn:focus {
      color: #FFF;
      background-color: #09F; }
  .help-modal.active {
    visibility: visible;
    transition-duration: 0.4s; }
    .help-modal.active .help-modal__overlay {
      opacity: 1;
      transition-timing-function: ease-out;
      transition-duration: 0.4s; }
    .help-modal.active .help-modal__dialog {
      opacity: 1;
      transform: scale(1, 1);
      transition-timing-function: ease-out;
      transition-duration: 0.4s; }