:root {
  color-scheme: light dark;
  --bg: #f6f6f7;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --panel: #ffffff;
  --line: rgba(0, 0, 0, 0.12);
  --accent: #007aff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f5f5f7;
    --muted: #a1a1a6;
    --panel: #1c1c1e;
    --line: rgba(255, 255, 255, 0.18);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.5;
}

main,
header,
footer {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 64px 0 36px;
}

h1 {
  margin: 0 0 12px;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 40px 0 12px;
  font-size: 24px;
  letter-spacing: 0;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
}

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

.app-mark {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  margin-bottom: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 44px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  margin: 16px 0;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 0;
  list-style: none;
}

footer {
  padding: 44px 0 64px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 520px) {
  main,
  header,
  footer {
    width: min(100% - 28px, 760px);
  }

  header {
    padding-top: 42px;
  }

  h1 {
    font-size: 38px;
  }
}