/* Estilos globais */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1rem;
}

nav ul {
  list-style: none;
  padding: 0;
}

nav li {
  display: inline-block;
  margin: 0 10px;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 5px 10px;
}

main {
  padding: 1rem;
}

section {
  margin-bottom: 2rem;
}

/* Estilos específicos */
.product-card {
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 1rem;
  text-align: center;
}

.product-card img {
  max-width: 100%;
}

form {
  display: grid;
  grid-gap: 1rem;
}

form label {
  display: block;
}

form input,
form textarea {
  width: 100%;
  padding: 5px;
}

form button {
  background-color: #333;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1rem;
}