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

:root {
  font-size: 12px;
  --color-text: #9b9b9b;
  --color-bg: #eaeeed;
  --color-link: #9b9b9b;
  --color-link-hover: #000000;
  --color-desc: #9b9b9b;
  --page-padding: 1.5rem;
}

/* The slider drives the gallery, so the document itself never scrolls */
html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: "host-grotesk", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior: none;
  touch-action: none;
}

@media (scripting: enabled) {
  .loading {
    &::before,
    &::after {
      content: "";
      position: fixed;
      z-index: 10000;
    }

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

    &::after {
      top: 50%;
      left: 50%;
      width: 100px;
      height: 1px;
      margin: 0 0 0 -50px;
      background: var(--color-link);
      animation: loaderAnim 1.5s ease-in-out infinite alternate forwards;
    }
  }
}

@keyframes loaderAnim {
  0% {
    transform: scaleX(0);
    transform-origin: 0% 50%;
  }

  50% {
    transform: scaleX(1);
    transform-origin: 0% 50%;
  }

  50.1% {
    transform: scaleX(1);
    transform-origin: 100% 50%;
  }

  100% {
    transform: scaleX(0);
    transform-origin: 100% 50%;
  }
}

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

  &:hover {
    text-decoration: underline;
    color: var(--color-link-hover);
  }

  &:focus {
    outline: none;
    background: lightgrey;

    &:not(:focus-visible) {
      background: transparent;
    }

    &:focus-visible {
      outline: 2px solid red;
      background: transparent;
    }
  }
}

.frame {
  padding: var(--page-padding);
  display: grid;
  z-index: 100;
  position: relative;
  gap: 1rem;
  pointer-events: none;
  justify-items: start;
  grid-template-columns: 100%;
  grid-template-areas:
    "title"
    "links"
    "tags"
    "sponsor";

  #cdawrap {
    justify-self: start;
    grid-area: sponsor;
  }

  a,
  button {
    pointer-events: auto;
  }

  .frame__title {
    grid-area: title;
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
  }

  .frame__tags {
    grid-area: tags;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .frame__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .frame__links {
    grid-area: links;
  }

  @media screen and (min-width: 53em) {
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    grid-template-columns: auto auto 1fr;
    grid-template-rows: auto auto;
    align-content: space-between;
    grid-template-areas:
      "title ... links"
      "tags tags sponsor";

    .frame__tags {
      align-self: end;
    }

    .frame__links,
    #cdawrap {
      justify-self: end;
      text-align: right;
      max-width: 300px;
    }
  }
}

/* Gallery */
.gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12vh;
  width: 100%;
  padding-top: 14vh;
}

.gallery__slide {
  flex-shrink: 0;
  transform: translateX(var(--stagger, 0vw));
  cursor: pointer;
  outline: none;
  padding: 0;
}

.gallery__slide:nth-child(1) {
  --stagger: -24vw;
  --img-w: 290px;
}
.gallery__slide:nth-child(2) {
  --stagger: 14vw;
  --img-w: 330px;
}
.gallery__slide:nth-child(3) {
  --stagger: -18vw;
  --img-w: 270px;
}
.gallery__slide:nth-child(4) {
  --stagger: 22vw;
  --img-w: 450px;
}
.gallery__slide:nth-child(5) {
  --stagger: -26vw;
  --img-w: 300px;
}
.gallery__slide:nth-child(6) {
  --stagger: 28vw;
  --img-w: 150px;
}
.gallery__slide:nth-child(7) {
  --stagger: -20vw;
  --img-w: 230px;
}
.gallery__slide:nth-child(8) {
  --stagger: 8vw;
  --img-w: 460px;
}
.gallery__slide:nth-child(9) {
  --stagger: -12vw;
  --img-w: 270px;
}
.gallery__slide:nth-child(10) {
  --stagger: 15vw;
  --img-w: 250px;
}
.gallery__slide:nth-child(11) {
  --stagger: -24vw;
  --img-w: 390px;
}
.gallery__slide:nth-child(12) {
  --stagger: 26vw;
  --img-w: 160px;
}
.gallery__slide:nth-child(13) {
  --stagger: -16vw;
  --img-w: 210px;
}

.gallery__slide:nth-child(14) {
  --stagger: 24vw;
  --img-w: 280px;
}

.gallery__slide:nth-child(15) {
  --stagger: -28vw;
  --img-w: 175px;
}

.gallery__slide:nth-child(16) {
  --stagger: 18vw;
  --img-w: 240px;
}

.gallery__slide:nth-child(17) {
  --stagger: -10vw;
  --img-w: 310px;
}

.gallery__slide figcaption {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-desc);
}

.gallery__img-wrapper {
  position: relative;
  margin: 0;
  width: var(--img-w, 200px);
  height: auto;
  aspect-ratio: 0.8;
  overflow: hidden;

  pointer-events: none;
  user-select: none;

  img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.2);
  }
}

/**
 * Content: Fixed popup overlay
 */
.content {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
}

/**
 * Content: Clicked image lands here
 */
.content__preview-img {
  position: fixed;
  margin: 0;
  top: 0;
  left: 0;
  height: 100vh;
  aspect-ratio: 0.8;
  overflow: hidden;

  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.2);
  }
}

.content__group-list {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-inline: calc(80vh + 1.5vw) var(--page-padding);
  padding-block: var(--page-padding);
}

.content__back {
  font-weight: inherit;
  font-size: inherit;
  align-self: flex-start;
  border: none;
  background: none;
  color: #111;
  cursor: pointer;
  padding: 0;
  line-height: inherit;
}

.content__group {
  display: none;
}

.content__group.active {
  display: block;
}

.content__title {
  justify-self: end;
  font-family: "ivyora-display", serif;
  font-weight: 400;
  font-size: clamp(2.5rem, 10vw, 6rem);
  line-height: 1;
  margin-bottom: 3rem;
  margin-top: 40vh;
  color: #141414;
}

.content__title:focus {
  outline: none;
}

.content__description {
  justify-self: end;
  margin-right: 10vw;
  max-width: 50ch;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
}