/* Base Reset & Font */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, Inter, sans-serif;
  background-color: #0f0f0f;
  color: #e0e0e0;
  line-height: 1.6;
  padding-bottom: 60px;
}

/* Header */
header {
  background-color: #1a1a1a;
  padding: 20px;
  border-bottom: 1px solid #333;
  text-align: center;
}
header h1 {
  font-size: 2rem;
  color: #00ff88;
}
nav {
  margin-top: 10px;
}
nav a {
  color: #00ff88;
  margin: 0 12px;
  text-decoration: none;
  font-weight: 500;
}
nav a:hover {
  text-decoration: underline;
}

/* Main Content */
main {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}
section {
  margin-bottom: 40px;
  background-color: #1a1a1a;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px #00000040;
}
h2 {
  color: #00ff88;
  margin-bottom: 10px;
}
ul {
  list-style: none;
  padding-left: 0;
}
li {
  margin-bottom: 10px;
}

/* Code Blocks */
code {
  background-color: #222;
  padding: 4px 8px;
  border-radius: 4px;
  color: #00ff88;
  font-family: monospace;
}

/* Footer */
footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background-color: #1a1a1a;
  color: #888;
  text-align: center;
  padding: 10px;
  font-size: 0.9em;
  border-top: 1px solid #333;
}

/* Responsive */
@media (max-width: 600px) {
  nav a {
    display: block;
    margin: 8px 0;
  }
}