:root {
  --primary-color: #2563eb;
  --white: #fff;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9fafb;
  color: #333;
}

header {
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 40px 20px;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  margin-top: 10px;
  font-size: 1.1rem;
}

section {
  padding: 40px 20px;
  max-width: 800px;
  margin: auto;
  background: #fff;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

section h2 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

footer {
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

footer a {
  color: #ffffff;
  text-decoration: underline;
}