:root {
  color-scheme: light;
  --surface: #ffffff;
  --field-fill: #f7f4fc;
  --text: #4a4460;
  --text-dim: #9089a6;
  --accent: #c9b8f0;
  --accent-text: #453a73;
  --shadow: rgba(170, 150, 225, 0.18);
  --shadow-strong: rgba(170, 150, 225, 0.28);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: linear-gradient(160deg, #fbf4ff 0%, #fdf3ec 55%, #f2fbf6 100%);
  color: var(--text);
  font-family: "Poppins", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: min(440px, 100%);
  background: var(--surface);
  border-radius: 26px;
  box-shadow: 0 16px 40px var(--shadow);
  padding: 40px 36px;
  text-align: center;
}

.icon {
  font-size: 40px;
  margin-bottom: 8px;
}

h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--text);
}

.tagline {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 28px;
  line-height: 1.5;
}

.download-btn {
  display: inline-block;
  width: 100%;
  padding: 16px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 10px 28px var(--shadow-strong);
  transition: transform 0.15s, box-shadow 0.15s;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px var(--shadow-strong);
}

.meta {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
  min-height: 16px;
}

.steps {
  text-align: left;
  margin: 28px 0 0;
  padding: 20px 20px 20px 40px;
  background: var(--field-fill);
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.steps li + li {
  margin-top: 6px;
}

.steps code {
  background: rgba(74, 68, 96, 0.08);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 13px;
}

.hint {
  margin: 20px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
}