body { font-family: Arial, sans-serif; padding: 0rem;  margin: 0rem;}
header { background: #333; color: white; padding: 1rem; }
nav a { color: darkviolet; margin-right: 1rem; text-decoration: none; }
main { margin: 1rem; padding: 1rem;}
footer { background: #333; color: white; text-align: center; padding: 1rem;  margin: 0; margin-top: 2rem; }


article{
  max-width: 1000px;
  margin: 2rem auto; /* centers text with space on left/right */
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

  /* Headings more distinct */
h1, h2, h3 {
  color: #333;
  line-height: 1.3;
  margin-top: 0.5em;
}