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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #f9f9f9;
  padding: 1rem;
}

main.card {
  max-width: 800px;
  margin: 2rem auto;
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.logo {
  display: block;
  margin: 0 auto 1rem auto;
}

h1, h2 {
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-align: center;
}

h2 {
  margin-top: 1.5rem;
  text-align: left;
}

.tagline {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #555;
}

.cta {
  text-align: center;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  background: #0066cc;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s ease;
}

.btn:hover {
  background: #004c99;
}

section {
  margin-bottom: 1.5rem;
}

ul {
  padding-left: 1.25rem;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 2rem;
  color: #777;
}

footer a {
  color: #555;
  text-decoration: none;
  margin: 0 0.25rem;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive tweaks */
@media (max-width: 600px) {
  body {
    padding: 0.5rem;
  }

  main.card {
    padding: 1.2rem;
  }
}