/* Base reset and dark theme */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #0a0a0a;
  color: #f5f5f5;
  line-height: 1.5;
}
a { color: #ff7a18; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { cursor: pointer; }