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

header {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 2rem 0;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

.project-list {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project {
  background: #fff;
  border-radius: 8px;
  padding: 1rem;
  flex: 1 1 calc(33% - 1rem);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}