/*=====================*
 * Styles for SPA page *
 *=====================*/

.page {
  position: fixed;
  left: 0;
  top: 0;

  width: calc(100vw - 4px);
  height: calc(100vh - 4px);

  display: flex;
  flex-flow: column nowrap;

  align-items: center;
  justify-content: center;

  background-color: var(--black);
}

.page.scroll {
  justify-content: flex-start;
  position: relative;
  overflow-x: hidden;
}

.page.red {
  border: 2px solid var(--red);
}

.page.green {
  border: 2px solid var(--green);
}

.page.blue {
  border: 2px solid var(--blue);
}

.scroll {
  overflow-y: scroll;
}

.hidden {
  display: none;
}

#logo {
  height: 4rem;
}

.logo-bottom {
  height: 1rem;
  margin: 1rem;
}

.title {
  text-align: center;
  font-size: 3rem;
  margin: 1rem 0 1rem 0;
  line-height: 3.5rem;
}

.section {
  width: 640px;
  max-width: calc(100vw - 6rem);
  margin: 2rem;

  font-size: 1.8rem;
  text-align: left;
}

fade {
  position: sticky;

  margin-top: -8rem;
  padding: 4rem calc(50vw - 1rem);

  background-image: url("../media/gradient.png");
  background-repeat: repeat-x;
  background-size: contain;

  pointer-events: none;
}

fade.top {
  top: 0;
}

fade.bottom {
  top: calc(100vh - 8rem);
  -webkit-transform: scaleY(-1);
  transform: scaleY(-1);
}

.padder {
  padding: 3rem;
}

.page > .description {
  text-align: center;
  line-height: 1.5rem;
}

.page > .description.short {
  display: none;
}

.mobile {
  display: none;
}

.not.mobile {
  display: block;
}

@media only screen and (max-width: 491px) {
  .mobile {
    display: block;
  }
  .not.mobile {
    display: none;
  }
}