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

body, html {
  font-family: 'Segoe UI', sans-serif;
  scroll-behavior: smooth;
  background-color: #f9f9f9;
  color: #333;
}

.hero {
  height: 100vh;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  padding: 20px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-content button {
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  background-color: white;
  color: #764ba2;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s;
}

.hero-content button:hover {
  background-color: #f0f0f0;
}

.features {
  padding: 4rem 2rem;
  text-align: center;
}

.features h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  width: 250px;
}

.card h3 {
  margin-bottom: 1rem;
  color: #764ba2;
}

.footer {
  text-align: center;
  padding: 2rem;
  background-color: #222;
  color: white;
}