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

body {
  font-family: sans-serif;
  background: #f5f0ff;
  color: #333;
}

header {
  background: #7c3aed;
  color: white;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 1.4rem;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  opacity: 0.85;
}

nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

main {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
}

.hero-img {
  width: 100%;
  max-width: 480px;
  border-radius: 12px;
  margin-bottom: 24px;
}

p {
  margin-bottom: 20px;
  line-height: 1.6;
  color: #555;
}

button {
  background: #7c3aed;
  color: white;
  border: none;
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background: #5b21b6;
}

#message {
  margin-top: 16px;
  font-weight: bold;
  color: #7c3aed;
  min-height: 1.4em;
}