:root {
  --bg: #f4f9fc;
  --surface: #ffffff;
  --border: #d1e2ec;
  --text: #102432;
  --muted: #5a7688;
  --accent: #2f9fbe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  font-size: 17px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.2rem 4rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.2rem;
}

h1 {
  font-family: Outfit, Inter, sans-serif;
  margin: 0 0 0.9rem;
  font-size: 1.8rem;
}

p {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

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

.back {
  display: inline-block;
  margin-top: 1.4rem;
}