body {
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background: #f9f9f9;
}

header.hero {
  background: #0070f3;
  color: white;
  padding: 60px 20px;
}

.cta-button {
  background: white;
  color: #0070f3;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 6px;
  display: inline-block;
  margin-top: 20px;
}

section {
  padding: 40px 20px;
}

.features {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.feature {
  background: white;
  border-radius: 8px;
  padding: 20px;
  width: 220px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.how ol {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 20px;
}

.tiers {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.tier {
  background: white;
  border-radius: 8px;
  padding: 20px;
  width: 200px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 400px;
  margin: 0 auto;
}

form input, form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 16px;
}

form button {
  padding: 12px 20px;
  font-size: 16px;
  background: #0070f3;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.hidden {
  display: none;
}

#success-message {
  font-size: 18px;
  color: green;
  margin-top: 20px;
}