/* Base Reset & Font */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #222;
}

/* Header */
header {
  background-color: #000;
  color: #fff;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

/* Navigation */
nav ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

nav a:hover {
  opacity: 0.75;
}

nav a.active {
  border-bottom: 2px solid #fff;
}

/* Main Layout */
main {
  padding: 2rem 1rem;
  max-width: 960px;
  margin: 0 auto;
}

/* Headings */
h2, h3 {
  text-align: center;
  color: #111;
  margin-top: 2rem;
}

/* Paragraphs & Lists */
main p,
main ul,
main li {
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

main ul {
  padding-left: 1.5rem;
}

/* CTA Button */
.cta-button {
  background-color: #0073e6;
  color: white;
  padding: 0.75rem 1.5rem;
  display: inline-block;
  text-decoration: none;
  margin: 1.5rem auto 0;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  text-align: center;
}

.cta-button:hover {
  background-color: #005bb5;
}

/* Footer */
footer {
  background-color: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #555;
  margin-top: 2rem;
}