* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4fff4;
  color: #333;
}

header {
  background: #006400;
  color: white;
  padding: 1rem 2rem;
  text-align: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

nav ul li {
  margin: 0 15px;
}

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

.secao {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

.secao h2 {
  color: #006400;
  margin-bottom: 1rem;
}

.galeria {
  display: flex;
  justify-content: space-around;
  gap: 1rem;
  flex-wrap: wrap;
}

.galeria img {
  width: 30%;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

footer {
  text-align: center;
  padding: 1rem;
  background: #004d00;
  color: white;
  margin-top: 2rem;
}