:root {
  color-scheme: light;
  --bg-top: #f6f0e4;
  --bg-mid: #f2d5ca;
  --bg-bottom: #dfe8ef;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-border: rgba(32, 43, 46, 0.1);
  --text: #15181a;
  --muted: #556068;
  --accent: #be242b;
  --accent-strong: #8f171d;
  --shadow: 0 28px 70px rgba(23, 27, 31, 0.12);
  --font-display: "Avenir Next Condensed", "Franklin Gothic Medium", "Trebuchet MS", sans-serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    linear-gradient(rgba(12, 13, 18, 0.5), rgba(12, 13, 18, 0.62)),
    url("./galaxy-bg.jpg") center center / cover no-repeat fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.42), transparent 82%);
}

.shell {
  width: min(920px, calc(100vw - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 28px;
  padding: 56px 0;
}

.hero,
.downloads,
.note {
  position: relative;
  z-index: 1;
}

.hero {
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--muted);
}

#app-logo {
  display: block;
  width: min(100%, 760px);
  height: auto;
}

.summary,
.version,
.note {
  max-width: 42rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.summary {
  margin: 16px 0 10px;
}

.version,
.note {
  margin: 0;
  color: var(--muted);
}

.downloads {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card {
  display: grid;
  gap: 8px;
  min-height: 220px;
  padding: 28px;
  color: inherit;
  text-decoration: none;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 241, 236, 0.8)),
    rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 34px 80px rgba(26, 36, 28, 0.18);
  border-color: rgba(22, 51, 38, 0.18);
}

.card:focus-visible {
  outline: 3px solid rgba(37, 79, 61, 0.28);
  outline-offset: 4px;
}

.platform {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

.card strong {
  font-size: 1.75rem;
  line-height: 1.05;
}

.detail {
  margin-top: auto;
  color: var(--muted);
}

.disabled {
  opacity: 0.5;
  pointer-events: none;
}

@media (max-width: 760px) {
  .shell {
    padding: 28px 0;
  }

  .hero {
    padding: 28px 22px;
  }

  #app-logo {
    width: 100%;
  }

  .downloads {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 180px;
  }
}