* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --gap: 0.5em;
  --index: calc(1vh + 1vw);
  --color-dark: #000;
}

body {
  overflow: hidden;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header {
  text-transform: uppercase;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  letter-spacing: 0.1em;
  font-size: calc(var(--index) * 2.5);
  position: absolute;
  font-weight: 200;
  text-align: center;
  opacity: 0.9;
  margin-top: 0.2em;
}

.header span {
  display: block;
  font-family: Helvetica, sans-serif;
  font-size: calc(var(--index) * 0.75);
}

.gallery {
  width: 30vw;
  column-width: 2em;
  gap: var(--gap);
  transform: scale(8.2);
  will-change: transform;
  transition: transform 1s cubic-bezier(0.075, 1, 0.25, 1), opacity 1s;
}

.gallery__item {
  margin-bottom: var(--gap);
  transform: scale(1.001);
  will-change: transform;
  transition: 2s cubic-bezier(0.075, 1, 0.25, 1);
}

.gallery__item:hover {
  transform: scale(1.03);
}

.gallery__item img {
  width: 100%;
  display: block;
}

.loaded .gallery {
  opacity: 1;
}

.loaded .header span {
  opacity: 0;
}

/* Dark mode section */

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-dark);
  }

  .header {
    filter: invert(100%);
  }
}