* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, #10b981, #14b8a6);
  color: #0f172a;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.container {
  max-width: 600px;
  text-align: center;
  background: white;
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

p {
  font-size: 1.125rem;
  color: #64748b;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: #10b981;
  color: white;
  text-decoration: none;
  border-radius: 0.75rem;
  font-weight: 500;
  transition: background 0.2s;
}

.btn:hover {
  background: #059669;
}