* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

body {
  color: #333;
  background-color: #fff;
}

/* Cabeçalho */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header img {
  height: 40px;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.btn-carrinho {
  background-color: #008037;
  color: #fff;
  padding: 8px 14px;
  border-radius: 4px;
}

/* Banner */
.banner {
  background: url('img/banner.jpg') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 120px 20px;
}

.banner h1 {
  font-size: 2.5em;
}

.banner p {
  margin-top: 10px;
  font-size: 1.2em;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background-color: #008037;
  color: white;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
}

/* Categorias */
.categorias {
  padding: 60px 20px;
  text-align: center;
}

.grid-categorias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.categoria img {
  width: 100%;
  border-radius: 8px;
  transition: transform 0.3s;
}

.categoria img:hover {
  transform: scale(1.05);
}

/* Produtos */
.produtos {
  background-color: #f9f9f9;
  padding: 60px 20px;
  text-align: center;
}

.grid-produtos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.produto img {
  width: 100%;
  border-radius: 8px;
}

.produto button {
  background-color: #008037;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  margin-top: 10px;
  cursor: pointer;
}

.produto button:hover {
  background-color: #005f29;
}

/* Sobre */
.sobre {
  padding: 60px 20px;
  text-align: center;
}

/* Contato */
.contato {
  padding: 60px 20px;
  background-color: #f9f9f9;
  text-align: center;
}

/* Rodapé */
.footer {
  text-align: center;
  padding: 20px;
  background-color: #008037;
  color: white;
  margin-top: 40px;
}