.parallax {
  /* overflow: hidden; */
  position: relative;
  z-index: 0;
  min-height: 75vh;
  display: grid;
  grid-template-areas: "stack";
}

.parallax > * {
  grid-area: stack;
  animation: parallax linear;
  animation-timeline: scroll();
}

.parallax > img {
  width: 100%;
}

.primary-header,
.hero {
  --parallax-speed: 10;
  z-index: 10;
}

.parallax__bg {
  --parallax-speed: -10;

  z-index: 1;
  min-height: 100%;
  width: 100%;
  object-fit: cover;
}

.parallax__dust {
  --parallax-speed: -20;
  z-index: 2;
}

.parallax__luna {
  --parallax-speed: 50;
  z-index: 3;
}

.parallax__manny {
  --parallax-speed: 30;
  z-index: 4;
}

.parallax__jax {
  --parallax-speed: 10;
  z-index: 5;
}

.parallax__rays {
  --parallax-speed: 50;
  z-index: 3;
}

.parallax__foreground-front,
.parallax__foreground-back {
  z-index: 999;
  align-self: end;
}

.parallax__foreground-back {
  transform: scaleY(1.2);
  transform-origin: bottom;
  mix-blend-mode: hard-light;
}

.main-content {
  position: relative;
  /* z-index: 1; */
  background: hsl(238, 100%, 6%);
  padding-block: 6rem;
}

@keyframes parallax {
  to {
    transform: 
      translateY(calc(var(--parallax-speed) * 200px));
  }
}

/* general styling */

html {
  color-scheme: normal;
}

body {
  margin: 0;
  font-family: "Rubik", sans-serif;
  font-size: 1.25rem;
  font-weight: 700; /* for demo only */
  text-transform: uppercase; /* for demo only */
  min-height: 300vh; /* for demo only */
}

img {
  display: block;
  max-width: 100%;
}

.wrapper {
  width: min(65rem, 100% - 4rem);
  margin-inline: auto;
}

.flex-group {
  display: flex;
  gap: 1rem;
}

.button {
  font: inherit;
  font-style: italic;
  text-transform: uppercase;
  background: rgb(227, 195, 14);
  padding: 1em 2em;
  border: 0;
  border-radius: 0.125em;
}

.primary-header {
  padding-block: 2rem;
}

.primary-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.primary-nav ul {
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.primary-nav a {
  color: white;
  font-weight: 700;
  text-decoration: none;
}

.logo {
  max-width: 100px;
  position: relative;

  &::after {
    content: "";
    position: absolute;
    inset: -3rem;
    z-index: -1;
    background: radial-gradient(hsl(0 0% 100% / 0.5), transparent 70%);
  }
}

.hero {
  margin-block-start: max(20vh, 8rem);
}

.hero__title {
  font-size: 6rem;
  max-width: 10ch;
  line-height: 1;
  font-style: italic;
  font-weight: 900;
  position: relative;

  > span {
    font-style: normal;
    font-size: 0.5em;
    display: block;
  }

  &::after {
    content: "";
    position: absolute;
    inset: 0;
    background: black;
    z-index: -1;
    scale: 2;
    opacity: 0.5;
    filter: blur(5rem);
    translate: -50%;
  }
}