:root {
  font-family: ui-sans-serif, system-ui, sans-serif;
  color: #f4f5fa;
  background: #101322;
  color-scheme: dark;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}
body {
  max-width: 1160px;
  margin: auto;
  padding: 64px 24px 32px;
}
header {
  max-width: 720px;
  margin-bottom: 40px;
}
h1 {
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin: 12px 0 20px;
}
h2 {
  font-size: 28px;
  margin: 0 0 12px;
}
h3 {
  font-size: 18px;
  margin: 0;
}
p {
  margin: 0 0 16px;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
.eyebrow {
  color: #b8adfa;
  font-size: 12px;
  letter-spacing: 0.15em;
  font-weight: 700;
}
.intro {
  font-size: 20px;
}
.help,
footer {
  color: #b7bed1;
}
main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}
.pack {
  --accent: #d0b0ff;
  --surface: #211b34;
  background: var(--surface);
  border: 1px solid #ffffff26;
  border-top: 4px solid var(--accent);
  border-radius: 20px;
  overflow: hidden;
}
.pack[data-pack^='first-light'] {
  --accent: #ffbc79;
  --surface: #192c40;
}
.pack-heading {
  padding: 28px 28px 12px;
}
.pack-heading h2 {
  color: var(--accent);
}
.pack-heading p {
  color: #d1d5e2;
}
.language {
  padding: 20px 28px;
  border-top: 1px solid #ffffff1a;
}
.language-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.play {
  background: var(--accent);
  color: #182034;
  font-weight: 700;
  border-radius: 10px;
  padding: 12px 16px;
  text-decoration: none;
}
summary {
  cursor: pointer;
  padding: 16px 0 8px;
  color: #d1d5e2;
}
.exports {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
}
.download {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid #ffffff1a;
  text-decoration: none;
  flex-wrap: wrap;
}
.file-info {
  color: #b7bed1;
  font-size: 13px;
  white-space: nowrap;
}
.testing-tool {
  display: block;
  padding: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
}
a:hover {
  text-decoration: underline;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent, #d0b0ff);
  outline-offset: 4px;
}
footer {
  margin-top: 40px;
  max-width: 760px;
  font-size: 14px;
}
@media (max-width: 700px) {
  body {
    padding: 32px 16px;
  }
  main {
    grid-template-columns: 1fr;
  }
  .pack-heading {
    padding: 24px 20px 8px;
  }
  .language {
    padding: 20px;
  }
}