* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #f8f9fa;
  color: #333;
}
header {
  background: #003366;
  color: #fff;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #00ff99;
}
nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  color: #00ff99;
}
.store {
  padding: 50px 20px;
  text-align: center;
}
.produtos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}
.produto {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  padding: 20px;
  width: 250px;
}
.produto img {
  width: 100%;
  border-radius: 10px;
}
.produto button {
  margin-top: 10px;
  padding: 10px;
  width: 100%;
  background: #007bff;
  border: none;
  color: white;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}
.produto button:hover {
  background: #00c598;
}
.carrinho {
  padding: 50px 20px;
  background: #e0f7fa;
}
#cart-items {
  list-style: none;
  margin: 20px 0;
}
#cart-items li {
  margin-bottom: 10px;
}
#finalizar {
  padding: 10px 20px;
  background: #28a745;
  border: none;
  color: white;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
}
#finalizar:hover {
  background: #218838;
}
footer {
  text-align: center;
  padding: 20px;
  background: #003366;
  color: #aaa;
}