body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: #e6f5ff;
  color: #333;
  text-align: center;
}

.hero {
  background: linear-gradient(135deg, #a3d8ff, #d7f3ff);
  padding: 80px 20px;
  border-bottom-left-radius: 50% 6%;
  border-bottom-right-radius: 50% 6%;
}

.hero h1 {
  font-size: 3em;
  margin-bottom: 10px;
  color: #1c3c57;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 40px 20px;
  margin: 30px auto;
  width: 90%;
  max-width: 850px;
  box-shadow: 0px 6px 20px rgba(0,0,0,0.1);
}

h2 {
  color: #2e7bb8;
  margin-bottom: 20px;
}

footer {
  margin-top: 40px;
  padding: 20px;
  background: #cbeaff;
  font-size: 0.9em;
  border-top: 2px solid #9ed3ff;
}