:root {
  /* UA-inspired colors */
  --crimson: #9E1B32;
  --dark-crimson: #7A1425;
  --light-gray: #f5f5f5;
  --text-dark: #2b2b2b;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
			   Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background-color: white;
  line-height: 1.6;
}
header {
  background-color: var(--crimson);
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.2rem;
  font-weight: 600;
}
header p {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  opacity: 0.95;
}
main {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 1.25rem;
}
section {
  margin-bottom: 2.5rem;
}
h2 {
  color: var(--crimson);
  border-bottom: 2px solid var(--light-gray);
  padding-bottom: 0.4rem;
  font-size: 1.4rem;
}
a {
  color: var(--crimson);
  text-decoration: none;
  font-weight: 500;
}
a:hover {
  color: var(--dark-crimson);
  text-decoration: underline;
}
footer {
  background-color: var(--light-gray);
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
  color: #555;
}