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

body {
  font-family: 'Rubik', sans-serif;
  background: #121212;
  color: #f5f5f5;
  padding: 20px;
}

header {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, #1d2671, #c33764);
  color: #f9f9f9;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2rem;
  opacity: 0.8;
}

main {
  margin: 20px auto;
  max-width: 800px;
  text-align: justify;
}

h2 {
  margin: 20px 0;
  font-size: 1.8rem;
  color: #4CAF50;
}

footer {
  text-align: center;
  padding: 20px;
  background: #222;
  color: #aaa;
  font-size: 0.9rem;
}