:root {
  --bg: #ffffff;
  --bg-card: #f5f5f7;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --accent: #248a3d;
  --accent-soft: rgba(52, 199, 89, 0.12);
  --border: rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-card: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #98989d;
    --accent: #30d158;
    --accent-soft: rgba(48, 209, 88, 0.14);
    --border: rgba(255, 255, 255, 0.12);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

header.hero {
  text-align: center;
  padding: 72px 0 48px;
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 27px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 20px;
}

.tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-top: 8px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 10px 22px;
  background: var(--text);
  color: var(--bg);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

section { padding: 32px 0; }

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 650;
  margin: 24px 0 6px;
}

p { margin-bottom: 12px; }
p, li { color: var(--text); }
.muted { color: var(--text-secondary); }

ul { padding-left: 22px; margin-bottom: 12px; }
li { margin-bottom: 6px; }

.steps {
  display: grid;
  gap: 14px;
  list-style: none;
  padding: 0;
  counter-reset: step;
}

.steps li {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 18px 20px 18px 62px;
  position: relative;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.steps strong { display: block; margin-bottom: 2px; }

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

footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 28px 0 48px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-align: center;
}

footer a { color: var(--text-secondary); }

.policy h2 { margin-top: 36px; }
.policy .effective { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 24px; }

.back-link {
  display: inline-block;
  margin-top: 40px;
  text-decoration: none;
  font-weight: 600;
}