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

body {
  font-family: 'Roboto', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f7fa;
}

header {
  background: linear-gradient(135deg, #0073aa, #00a1d6);
  color: white;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.8rem;
  margin: 1rem 0;
}

p {
  font-size: 1.1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  margin: 1.5rem 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn {
  background: #0073aa;
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
  margin: 0.5rem;
  transition: background 0.3s;
}

.btn:hover {
  background: #005f8c;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin: 0.5rem 0;
}

a {
  color: #0073aa;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.5rem;
  }
  .container {
    padding: 1rem;
  }
  .btn {
    padding: 0.5rem 1rem;
  }
}