.faq {
  background-color: hsl(from var(--esports-nav-base-color) h s 15%);
}

.faq-accordion {
  max-width: 90ch;
  margin-inline: auto;
  user-select: none;
}

.accordion a {
  text-decoration: underline;
}

.accordion summary {
  --lightness: 80%;
  font-size: 1.5rem;
  color: hsl(from white h s var(--lightness));
  list-style-position: outside;
  margin-inline-start: 1rem;
}

@media (hover) {
  .accordion summary:hover {
    --lightness: 100%;
  }
}

.accordion summary::marker {
  font-size: 1rem;
}

.accordion details > :not(summary) {
  padding: 1rem;
  line-height: 1.5;
}

.accordion details:not([open]) summary {
  cursor: pointer;
}

.accordion details[open] summary {
  color: hsl(from var(--key-color) h s l);
}

.accordion details p:not(:last-child) {
  padding-block-end: 0;
}

.accordion details {
  --source-color: var(--background-color);
  --darkness: 10;
  --opacity: 0.2;
  background-color: hsl(from var(--source-color) h s calc(l - var(--darkness)) / var(--opacity));
  backdrop-filter: blur(4px);
  margin-block-end: 0.25rem;
  padding: 0.875rem;
}

.accordion details[open] {
  --darkness: 0;
  --opacity: 1;
  border-radius: var(--border-radius);
  background-image: radial-gradient(
    ellipse farthest-side at top,
    hsl(from var(--key-color) h s calc(l - 20) / 0.4),
    hsl(from var(--key-color) h s l / 0.1)
  );
}