:root {
  --bg: #07111f;
  --card: #101b2d;
  --text: #f2f7ff;
  --muted: #9db2ca;
  --green: #20c878;
  --blue: #118fe3;
  --line: rgba(255,255,255,.12);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 10%, rgba(32,200,120,.22), transparent 34%),
    radial-gradient(circle at 10% 80%, rgba(17,143,227,.24), transparent 36%),
    var(--bg);
}
.page { width: min(1050px, 100%); margin: auto; padding: 22px; }
.hero { min-height: 54vh; display: grid; place-items: center; text-align: center; padding: 70px 16px 44px; }
.logo {
  width: 86px; height: 86px; display: grid; place-items: center; border-radius: 28px;
  font-size: 42px; background: linear-gradient(135deg, var(--green), var(--blue));
  box-shadow: 0 25px 70px rgba(0,0,0,.35);
}
.badge {
  margin: 20px 0 8px; color: #aaf2cf; border: 1px solid rgba(32,200,120,.35);
  padding: 7px 12px; border-radius: 999px;
}
h1 { font-size: clamp(38px, 8vw, 76px); margin: 8px 0; }
.lead { max-width: 760px; color: var(--muted); font-size: clamp(18px, 3vw, 24px); line-height: 1.7; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
a { color: var(--text); text-decoration: none; }
.download, .secondary {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px;
  padding: 14px 22px; border-radius: 16px; font-weight: 800;
}
.download { background: linear-gradient(135deg, var(--green), var(--blue)); }
.secondary { background: rgba(255,255,255,.08); border: 1px solid var(--line); }
.note { color: var(--muted); }
.cards, .download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.download-grid { margin-bottom: 16px; }
.card, .info, .download-card {
  background: rgba(16,27,45,.86); border: 1px solid var(--line); border-radius: 24px;
  padding: 22px; box-shadow: 0 20px 60px rgba(0,0,0,.28);
}
.download-card { text-align: center; }
.download-card.ready { border-color: rgba(32,200,120,.35); }
.download-card.soon { opacity: .82; }
.os-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  display: block;
  margin: 0 auto 10px;
  filter: drop-shadow(0 14px 26px rgba(0,0,0,.28));
}
.small { min-height: 44px; padding: 11px 16px; margin-top: 8px; }
.card p, .info li, .download-card p { color: var(--muted); line-height: 1.8; }
.info { margin-top: 16px; }
footer { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); padding: 26px 4px; }
@media (max-width: 760px) {
  .page { padding: 14px; }
  .hero { padding-top: 44px; }
  .actions { display: grid; width: 100%; }
  .download, .secondary { width: 100%; }
  .cards, .download-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; }
}
button.download.small {
  border: 0;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
}
button.download.small:disabled { opacity: .65; cursor: wait; }
.progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,.12);
  margin-top: 12px;
}
.progress.hidden { display: none; }
.bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(135deg, var(--green), var(--blue));
  transition: width .2s ease;
}
.mini {
  min-height: 20px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 0;
}