/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #f9f9fa;
  color: #111;
  line-height: 1.6;
  padding-bottom: 100px;
}

/* Header */
header {
  background-color: #0a0a0a;
  color: white;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

nav a {
  color: #ccc;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

nav a:hover {
  color: #fff;
}

/* Main Content */
main {
  max-width: 960px;
  margin: 4rem auto;
  padding: 0 2rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 2rem;
  color: #222;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  color: #333;
  margin-bottom: 1rem;
  border-bottom: 2px solid #ddd;
  padding-bottom: 0.25rem;
}

ul {
  list-style-type: none;
  padding-left: 1rem;
}

ul li {
  padding: 0.5rem 0;
  border-left: 3px solid #444;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
  color: #333;
}

/* Footer */
footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background-color: #111;
  color: #aaa;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  border-top: 1px solid #222;
}