/* Base styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333;
}

header {
  background: #222;
  color: #fff;
  padding: 1rem 2rem;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 2rem;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

main {
  padding: 2rem;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: #f4f4f4;
}

.features, .resume, .ai, .kdd {
  margin-top: 3rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #222;
  color: #ccc;
}

/* Responsive design */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 1rem;
  }
}