body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111;
  color: #f4f4f4;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 60px 20px;
  background: #1e1e1e;
}

h1 {
  margin: 0;
  font-size: 40px;
}

section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}

.projects {
  display: grid;
  gap: 20px;
}

.card {
  background: #1e1e1e;
  padding: 20px;
  border-radius: 8px;
}