*,
*::after,
*::before {
  box-sizing: border-box;
}

:root {
  font-size: 14px;
}

/* Page Loader */
.js .loading::before,
.js .loading::after {
  content: "";
  position: fixed;
  z-index: 1000;
}

.js .loading::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
}

.js .loading::after {
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin: -30px 0 0 -30px;
  border-radius: 50%;
  opacity: 0.4;
  background: var(--color-link);
  animation: loaderAnim 0.7s linear infinite alternate forwards;
}

@keyframes loaderAnim {
  to {
    opacity: 1;
    transform: scale3d(0.5, 0.5, 1);
  }
}

a {
  text-decoration: none;
  color: var(--color-link);
  outline: none;
}

a:hover,
a:focus {
  color: var(--color-link-hover);
  outline: none;
}

.message {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 1rem;
  text-align: center;
}

.frame {
  padding: 2rem 1rem;
  text-align: center;
  position: relative;
  z-index: 1000;
  background: #000;
}

.frame__title {
  font-size: 1rem;
  margin: 0 0 1rem;
  font-weight: normal;
}

.frame__links {
  display: inline;
  text-transform: lowercase;
}

.frame__links a:not(:last-child),
.frame__demos a:not(:last-child) {
  margin-right: 1rem;
}

.frame__demos {
  margin: 1rem 0 0;
}

.frame__demo--current,
.frame__demo--current:hover {
  color: var(--color-text);
}

/* Slideshow demo 1 */
.slideshow {
  display: grid;
  width: 100%;
  height: 100vh;
  grid-template-columns: 90% 10%;
  grid-template-rows: auto auto;
}

.slideshow__intro {
  grid-area: 1 / 1 / 3 / 3;
  align-self: center;
  justify-self: center;
  position: relative;
}

.slideshow__intro-title {
  font-family: vortice-concept, sans-serif;
  font-weight: 400;
  font-size: 9vw;
  line-height: 0.5;
  margin: 5vw 0 0 0;
  -webkit-text-stroke: 2px var(--color-primary);
  text-stroke: 2px var(--color-primary);
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  color: transparent;
}

.slideshow__intro-subline {
  text-align: center;
  width: 100%;
  display: block;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.slideshow__intro-description {
  margin: 2rem 0 0 1rem;
  max-width: 300px;
}

.slideshow__img-wrap {
  position: relative;
  grid-area: 1 / 1 / 3 / 2;
  justify-self: end;
  display: grid;
  grid-template-columns: auto;
  grid-template-rows: auto;
  overflow: hidden;
  width: 47%;
}

.slideshow__img {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.slideshow__img--current {
  opacity: 1;
}

.slideshow__nav {
  grid-area: 2 / 1 / 3 / 3;
  display: flex;
  flex-direction: column;
  align-self: end;
  align-items: end;
  justify-content: space-between;
  padding: 2rem 3rem;
  z-index: 100;
}

.slideshow__nav-item {
  font-family: vortice-concept, sans-serif;
  font-weight: 400;
  color: var(--color-secondary);
  font-size: 1rem;
  cursor: pointer;
}

.slideshow__nav-item--current {
  color: var(--color-link-hover);
}

/* Grid demo 2 */

.content {
  display: grid;
  --column-gap: 2rem;
  --row-gap: 10vh;
  --mwidth: 400px;
  --columns: 3;
  max-width: calc(
    var(--mwidth) * var(--columns) + (var(--columns) - 1) * var(--column-gap)
  );
  width: 100%;
  margin: 0 auto;
  grid-template-columns: repeat(
    auto-fill,
    minmax(calc(var(--mwidth) / 2), var(--mwidth))
  );
  grid-column-gap: var(--column-gap);
  grid-row-gap: var(--row-gap);
  justify-content: center;
  padding: 4rem 0 20rem;
  margin-top: 13rem;
}

.item {
  margin: 0;
  padding: 2rem;
  align-self: end;
  display: grid;
  grid-template-areas:
    "... ... ..."
    "pretitle pretitle pretitle"
    "title title tile"
    "... counter counter"
    "... description ...";
  grid-template-columns: 10% 1fr 1rem;
  grid-template-rows: 3rem auto 1fr 2rem auto;
}

.item__fig {
  width: 100%;
  height: 100%;
  margin: 0;
}

.aspect {
  padding-top: var(--aspect);
}

.item__img {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  max-width: 100%;
}

.item__pretitle {
  font-family: vortice-concept, sans-serif;
  font-weight: 400;
  color: var(--color-secondary);
  font-size: 1rem;
  margin: 0 0 0.75rem;
  grid-area: pretitle;
  display: flex;
  pointer-events: none;
}

.item__title {
  font-family: vortice-concept, sans-serif;
  font-weight: 400;
  margin: 0;
  -webkit-text-stroke: 1px var(--color-primary);
  text-stroke: 1px var(--color-primary);
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  color: transparent;
  font-size: 2.5rem;
  grid-area: title;
  pointer-events: none;
}

.item__counter {
  font-family: vortice-concept, sans-serif;
  font-weight: 400;
  color: var(--color-primary);
  font-size: 3rem;
  grid-area: counter;
  align-self: end;
  justify-self: end;
  line-height: 1;
  pointer-events: none;
}

.item__description {
  max-width: 200px;
  grid-area: description;
  font-size: 0.85rem;
  color: var(--color-description);
}

@media screen and (min-width: 53em) {
  .frame {
    position: fixed;
    text-align: left;
    z-index: 100;
    top: 0;
    left: 0;
    display: grid;
    align-content: space-between;
    width: 100%;
    max-width: none;
    height: 100vh;
    padding: 3rem;
    background: none;
    pointer-events: none;
    grid-template-columns: 75% 25%;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "title demos"
      "... ..."
      "... ...";
  }

  .frame__title-wrap {
    grid-area: title;
  }

  .frame__title {
    margin: 0;
  }

  .frame__tagline {
    position: relative;
    margin: 0 0 0 1rem;
    padding: 0 0 0 1rem;
    opacity: 0.5;
  }

  .frame__demos {
    margin: 0;
    grid-area: demos;
    justify-self: end;
  }

  .frame__links {
    grid-area: links;
    padding: 0;
    justify-self: end;
  }

  .frame a {
    pointer-events: auto;
  }

  .slideshow__nav {
    flex-direction: row;
  }
}

/* Canvas */
.dom-gl {
  position: fixed;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}