body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f0f2f5;
}

header {
  background: #4CAF50;
  color: white;
  padding: 15px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
}

section {
  padding: 40px;
  max-width: 800px;
  margin: auto;
}

h2 {
  color: #333;
}

.projetos {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.projeto {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  flex: 1;
  min-width: 250px;
  text-align: center;
}

.projeto a {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 15px;
  background: #4CAF50;
  color: white;
  border-radius: 5px;
  text-decoration: none;
}

.projeto a:hover {
  background: #45a049;
}

footer {
  text-align: center;
  background: #333;
  color: white;
  padding: 15px;
}