body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
  scroll-behavior: smooth;
}

header {
  background: #222;
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

header nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin: 0;
  padding: 0;
}

header nav ul li {
  margin: 0 15px;
}

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

.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(to right, #667eea, #764ba2);
  color: white;
}

.hero h1 span {
  color: #ffd700;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: #333;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding: 50px 20px;
  max-width: 900px;
  margin: auto;
}

.project {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 15px;
  background: #222;
  color: white;
}