body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  background: #ffffff;
  color: #111;
  text-align: center;
}

header {
  padding: 20px;
  font-size: 26px;
  font-weight: 600;
}

.hero {
  padding: 80px 20px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero p {
  font-size: 20px;
  color: #555;
  max-width: 600px;
  margin: 0 auto 30px;
}

.btn {
  padding: 14px 32px;
  font-size: 18px;
  background: black;
  color: white;
  border-radius: 12px;
  text-decoration: none;
}

.features {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

.feature h2 {
  font-size: 24px;
  margin-bottom: 5px;
}

.cta {
  padding: 80px 20px;
  background: #f5f5f7;
}

.btn-secondary {
  padding: 14px 32px;
  font-size: 18px;
  background: #007aff;
  color: white;
  border-radius: 12px;
  text-decoration: none;
}

footer {
  padding: 40px;
  color: #777;
}