body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #f4f9ff;
  color: #333;
}
header {
  background: #0078d7;
  color: white;
  padding: 1rem;
  text-align: center;
}
nav a {
  margin: 0 1rem;
  color: white;
  text-decoration: none;
}
main {
  padding: 2rem;
}
.hero {
  text-align: center;
}
button {
  background: #0078d7;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 5px;
  cursor: pointer;
}
.features {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
}
.feature-card {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  max-width: 250px;
  text-align: center;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
  margin: auto;
}
input {
  padding: 0.5rem;
  font-size: 1rem;
}