:root {
  color-scheme: dark;
  font: 16px/1.5 ui-sans-serif, system-ui, sans-serif;
  background: #0b1420;
  color: #f1f5f9;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 75% 0, #12373380, transparent 55%);
  min-height: 100svh;
}
main { max-width: 880px; margin: 0 auto; padding: 32px 32px 24px; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible { outline: 2px solid #5eead4; outline-offset: 5px; border-radius: 4px; }
.site-header, .brand, .source-link { display: flex; align-items: center; }
.site-header { justify-content: space-between; gap: 24px; }
.brand { gap: 12px; font-size: 21px; font-weight: 700; letter-spacing: -.5px; }
.brand img { display: block; }
.source-link { gap: 8px; color: #a9b9c8; font-size: 14px; min-height: 44px; }
.hero { padding: 64px 0 36px; }
.eyebrow { margin: 0 0 16px; color: #72d8c4; font-size: 12px; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(34px, 6vw, 56px); font-weight: 650; line-height: 1.12; letter-spacing: -.045em; }
h1 span { color: #92a9b8; }
.intro { margin: 20px 0 0; padding: 0; list-style: none; color: #afbdca; }
.button.demo-link { display: inline-flex; width: auto; margin-top: 24px; background: #20323f; border-color: #3b4d5a; }
.demo-note { display: inline-block; margin-left: 16px; color: #afbdca; font-size: 13px; }
.launch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.launch-grid.single { grid-template-columns: 1fr; }
.launch-card { display: flex; flex-direction: column; align-items: flex-start; padding: 28px; border: 1px solid #2a3b48; border-radius: 20px; background: #13212dd9; }
.fixed { --accent: #81e4c9; background: linear-gradient(135deg, #153833, #14272c); border-color: #326457; }
.beta { --accent: #93c5fd; background: linear-gradient(135deg, #1b314e, #162637); border-color: #3f6188; }
.badge { color: #c0cdda; font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .1em; }
.launch-card .badge { color: var(--accent); }
h2 { margin: 18px 0 8px; font-size: 28px; letter-spacing: -.7px; }
.version { display: inline-block; margin-left: 6px; color: var(--accent); font-size: 16px; font-weight: 500; letter-spacing: 0; }
.launch-card p { margin: 0 0 28px; color: #b2c1cd; font-size: 14px; }
.button { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-height: 52px; margin-top: auto; padding: 12px 18px; border: 1px solid transparent; border-radius: 11px; font-weight: 650; }
.button:hover { text-decoration: none; filter: brightness(1.1); }
.primary { background: var(--accent); color: #10202b; }
details { border-bottom: 1px solid #273643; }
summary { cursor: pointer; padding: 20px 0; color: #c3ced8; font-size: 14px; }
summary:hover { color: #fff; }
.catalog { margin-top: 12px; }
.count { margin-left: 8px; padding: 2px 7px; border-radius: 6px; background: #20303c; color: #b7c7d2; font-size: 12px; }
.catalog ul { margin: 0; padding: 0 0 12px; list-style: none; }
.catalog li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 0; }
.release-version { color: #90e1cc; font-weight: 600; }
.release-version span { margin-left: 6px; }
.release-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: #b5c3cf; }
.release-links a, .release-version { padding: 8px 0; }
.install-help ul { margin: 0 0 16px; padding-left: 20px; color: #aebdca; font-size: 14px; }
.install-help li { margin: 8px 0; }
.empty { margin: 20px 0 0; color: #aebdca; font-size: 13px; }
footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 24px; color: #9bafbe; font-size: 12px; }
footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
footer a { display: inline-block; padding: 6px 0; }
footer > span { padding: 6px 0; }
@media (max-width: 600px) {
  main { padding: 20px; }
  .hero { padding: 40px 0 28px; }
  .launch-grid { grid-template-columns: 1fr; }
  .launch-card { padding: 22px; }
  .launch-card p { margin-bottom: 20px; }
  .catalog li { align-items: flex-start; flex-wrap: wrap; gap: 0 16px; }
}