:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --accent: #0ea5e9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 100%);
}

.hero {
  text-align: center;
  padding: 64px 16px 40px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 2.25rem;
}

.hero p {
  margin: 0 0 20px;
  font-size: 1.1rem;
}

button {
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 1rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}

.content {
  max-width: 720px;
  margin: 0 auto 48px;
  padding: 0 16px;
}

section {
  background: var(--card);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}