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

:root {
  font-size: 13px;
  --color-text: #ffffff;
  --color-bg: #090909;
  --color-link: #ffffff;
  --color-link-hover: #ffffff;
  --page-padding: 1.5rem;
  --color-menu-item: #fff;
  --color-menu-item--hover: #23385b;
  --color-title: #fff;
  --color-toggle: #ffffff;
  --color-toggle-bg: #41629a;
  --color-toggle-border: #23385b;
  --color-toggle-hover: #ffffff;
}

body {
  margin: 0;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: 'lores-12', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100dvh;
  overflow: hidden;
  text-transform: uppercase;
}

@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: none;
    color: var(--color-link-hover);
  }

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

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

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

main {
  display: grid;
  grid-template-areas: 'main';
  height: 100%;
  width: 100%;
  position: relative;
}

.frame {
  grid-area: main;
  align-self: end;
  padding: var(--page-padding);
  z-index: 600;
  display: grid;
  grid-row-gap: 1rem;
  grid-column-gap: 2rem;
  justify-items: start;
  pointer-events: none;
  grid-template-columns: auto auto auto 1fr;
  grid-template-areas:
    'title title title title'
    'links links ... ...'
    'credits credits credits credits'
    'sponsor sponsor sponsor sponsor';

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

  a {
    pointer-events: auto;
    text-decoration: underline;
  }

  .frame__title {
    grid-area: title;
    font-size: inherit;
    font-weight: 500;
    margin: 0;
  }

  .frame__links {
    grid-area: links;
    display: flex;
    gap: 1rem;
    justify-self: start;
  }

  .frame__archive {
    grid-area: archive;
    justify-self: start;
  }

  .frame__github {
    grid-area: github;
  }

  .frame__credits {
    grid-area: credits;
    margin: 0;
  }

  @media screen and (min-width: 53em) {
    grid-template-columns: auto auto auto auto;
    align-content: space-between;
    grid-template-areas: 'title links credits sponsor';

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

.toggle {
  grid-area: main;
  align-self: start;
  justify-self: end;
  display: grid;
  justify-items: end;
  gap: 1rem;
  margin: var(--page-padding);
  position: relative;
  z-index: 1000;
  button {
    cursor: pointer;
    border: 0;
    display: flex;
    background: none;
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-family: 'lores-12', sans-serif;
    font-weight: 400;
    text-transform: uppercase;
    align-items: center;
    line-height: 0.8;
    gap: 1rem;
    border: 2px solid;
    padding: 1rem;
    color: var(--color-toggle);
    color: #fff;
    border-style: solid;
    border-width: 4px;
    border-color: var(--color-toggle-bg);
    border-image-slice: 2;
    border-image-width: 1;
    border-image-outset: 0;
    border-image-source: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='6' height='6'><path d='M0 2h2v2H0zM2 0h2v2H2zM4 2h2v2H4zM2 4h2v2H2z' fill='%2323385b' /></svg>");
    position: relative;
    background-color: var(--color-toggle-bg);
    @supports (border-image-source: none) {
      border-radius: 14px;
    }
    ::after {
      content: '';
      position: absolute;
      z-index: 0;
      bottom: 0;
      right: 0;
      width: 100%;
      height: 100%;
      box-shadow: inset -4px -4px #ffffff29;
    }
    svg {
      width: 1.5rem;
      height: 1.5rem;
      fill: currentColor;
    }
    span {
      white-space: nowrap;
    }
    &:hover,
    &:active {
      color: var(--color-toggle-hover);
    }
  }
  label {
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    line-height: 1;
    align-items: center;
    user-select: none;
    color: var(--color-toggle);
    font-size: 1.25rem;
    line-height: 0.8;
    max-width: 210px;
    padding: 1rem;
    border: 2px solid #fff;
    border-radius: 3px;
    width: 100%;
    background: rgba(95, 123, 170, 0.47);
    input[type='checkbox'] {
      margin: 0 0 0 0.5em;
      outline: 2px solid var(--color-toggle);
      width: 10px;
      height: 10px;
      outline-offset: 3px;
      appearance: none;
      &:checked {
        background: var(--color-toggle);
      }
    }
    input[type='range'] {
      width: 11rem;
    }
  }
}

.menu {
  grid-area: main;
  z-index: 200;
  clip-path: polygon(50% 50%, 50% 50%, 50% 50%, 50% 50%);
  will-change: clip-path;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 1rem;
  position: relative;
}

.menu::after {
  content: '';
  top: 0;
  left: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 5000;
  pointer-events: none;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.5), transparent, rgba(0, 0, 0, 0.5));
  background-repeat: no-repeat;
  background-size: 100%;
  z-index: 250;
}

.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  pointer-events: none;
}

.menu__item,
.title {
  position: relative;
  z-index: 1;
  font-family: 'lores-12', sans-serif;
  font-weight: 400;
  white-space: nowrap;
  font-size: clamp(1.5rem, 7vw, 5rem);
  line-height: 1;
  user-select: none;
  color: var(--color-menu-item);
  text-shadow: 2px 2px 1px rgba(0, 0, 0, 0.1);
}

.menu__item::before,
.menu__item::after {
  content: '[';
  position: relative;
  display: inline-flex;
  transition: all 0.3s;
}

.menu__item::after {
  content: ']';
}

.menu__item:hover::before,
.menu__item:hover::after {
  opacity: 0.5;
}

.menu__item:hover::before {
  transform: translateX(-5px);
}

.menu__item:hover::after {
  transform: translateX(5px);
}

.cover {
  grid-area: main;
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  grid-template-rows: repeat(10, 1fr);
  overflow: hidden;
  pointer-events: none;
}

.cover__item {
  width: 100%;
  aspect-ratio: 4 / 5;
}

.cover__image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.title {
  grid-area: main;
  align-self: center;
  justify-self: center;
  align-items: center;
  display: flex;
  flex-direction: column;
  font-size: clamp(2rem, 10vw, 10rem);
  color: var(--color-title);
}

/* random placement with grid-area: row / column */
.cover__item:nth-child(1) {
  grid-area: 1 / 2;
}
.cover__item:nth-child(2) {
  grid-area: 2 / 6;
}
.cover__item:nth-child(3) {
  grid-area: 1 / 10;
}
.cover__item:nth-child(4) {
  grid-area: 3 / 14;
}
.cover__item:nth-child(5) {
  grid-area: 2 / 17;
}
.cover__item:nth-child(6) {
  grid-area: 4 / 4;
}
.cover__item:nth-child(7) {
  grid-area: 5 / 8;
}
.cover__item:nth-child(8) {
  grid-area: 4 / 12;
}
.cover__item:nth-child(9) {
  grid-area: 6 / 16;
}
.cover__item:nth-child(10) {
  grid-area: 5 / 19;
}
.cover__item:nth-child(11) {
  grid-area: 7 / 3;
}
.cover__item:nth-child(12) {
  grid-area: 8 / 7;
}
.cover__item:nth-child(13) {
  grid-area: 7 / 11;
}
.cover__item:nth-child(14) {
  grid-area: 9 / 15;
}