:root {
  color-scheme: dark;
  --bg: #0b1640;
  --bg-deep: #050a22;
  --text: #eef2ff;
  --muted: #aab4dd;
  --accent: #5ab8ff;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(ellipse at top, #1a2f86 0%, var(--bg) 45%, var(--bg-deep) 100%) fixed;
}

main {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
  text-align: center;
}

.logo {
  border-radius: 22%;
  box-shadow: 0 12px 40px rgb(0 0 0 / 45%);
}

h1 {
  margin: 1.25rem 0 0.5rem;
  font-size: clamp(2.25rem, 7vw, 3.25rem);
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 2rem;
  font-size: 1.2rem;
  color: var(--muted);
}

.features {
  display: inline-block;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  text-align: left;
}

.features li {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.platforms { color: var(--muted); }

a { color: var(--accent); }

footer {
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}