* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #0e1117;
  color: #e6e6eb;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 24px 32px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
}

.version {
  font-size: 0.9rem;
  opacity: 0.6;
}

main {
  flex: 1;
  padding: 32px;
  max-width: 520px;
}

.tagline {
  font-size: 1.05rem;
  line-height: 1.5;
  opacity: 0.9;
}

.download-btn {
  display: inline-block;
  margin: 28px 0 18px;
  padding: 14px 26px;
  background: #4f7cff;
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
}

.download-btn:hover {
  background: #3f68e0;
}

.features {
  list-style: none;
  padding: 0;
  margin: 0;
  opacity: 0.85;
}

.features li {
  margin-bottom: 6px;
}

.warning {
  margin-top: 24px;
  font-size: 0.85rem;
  opacity: 0.6;
}

footer {
  padding: 18px 32px;
  font-size: 0.8rem;
  opacity: 0.5;
}