:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --text: #1c1c1e;
  --secondary: #6c6c70;
  --green: #15803d;
  --accent: #1d4ed8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f2f2f7;
    --secondary: #98989f;
    --green: #4ade80;
    --accent: #60a5fa;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 640px; margin: 0 auto; padding: 56px 20px 32px; }
a { color: var(--accent); }
h1 { font-size: 40px; line-height: 1.1; margin: 20px 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--secondary); }
.icon { width: 96px; height: 96px; border-radius: 22px; display: block; box-shadow: 0 8px 24px rgb(0 0 0 / 0.15); }
.lede { font-size: 20px; color: var(--text); margin: 0 0 24px; }
.button {
  display: inline-block;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 999px;
}
.points { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 12px; }
.points li { background: var(--card); border-radius: 18px; padding: 16px 18px; }
.points strong { color: var(--text); display: block; }
footer { margin-top: 48px; font-size: 14px; color: var(--secondary); }
footer nav { display: flex; gap: 16px; margin-bottom: 12px; }
.back { font-size: 15px; text-decoration: none; }