:root {
  /* Define theme colors */
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --background-color: #f8f9fa;
  --text-color: #343a40;
  --accent-color: #ffc107;
}

body {
  font-family: 'Roboto', sans-serif;
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  color: var(--text-color);
}

.btn-primary {
  background-color: var(--primary-color);
  border: none;
  transition: background-color 0.3s ease;
}

.btn-primary:hover {
  background-color: darken(var(--primary-color), 10%);
}

/* Add spacing between sections */
section {
  padding: 60px 0;
}