body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #ffd1e6, #cce6ff);
  color: #333;
  text-align: center;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  background: #ffffffcc;
}

.navbar a {
  text-decoration: none;
  color: #4da6ff;
  margin-left: 15px;
  font-weight: bold;
}

.hero {
  padding: 100px 20px;
}

.hero h2 {
  color: #ff6fae;
  font-size: 2.5rem;
}

.games {
  padding: 60px;
}

.game-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  display: inline-block;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: #ff6fae;
  color: white;
  text-decoration: none;
  border-radius: 20px;
  border: none;
  cursor: pointer;
}

.sudoku-container {
  padding: 40px;
}

#sudoku-grid {
  display: grid;
  grid-template-columns: repeat(9, 40px);
  gap: 2px;
  justify-content: center;
  margin: 20px auto;
}

#sudoku-grid input {
  width: 40px;
  height: 40px;
  text-align: center;
  font-size: 18px;
}

footer {
  margin-top: 50px;
  padding: 15px;
  background: #ffffffcc;
}