/* Reset some default spacing */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Page defaults */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background-color: #f5f5f5;
  color: #222;
}

/* Layout container */
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Header styles */
.site-header {
  background-color: #222;
  color: #fff;
  padding: 2rem 1rem;
  text-align: center;
}

/* Section styles */
.intro {
  background-color: #fff;
  padding: 1.5rem;
  margin-top: -1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* Button styles */
button#click-me-button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  background-color: #2563eb;
  color: #fff;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.2s ease;
}

button#click-me-button:hover {
  background-color: #1d4ed8;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.4);
}

button#click-me-button:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Message text */
#message {
  margin-top: 1rem;
  font-weight: 500;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  font-size: 0.875rem;
  color: #555;
}