body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f8f8;
  color: #333;
  text-align: center;
}

header {
  background: #78b13f; /* Verde saludable */
  color: white;
  padding: 20px 10px;
  font-size: 1.0em;
  font-weight: bold;
}

/* 📦 Contenedor de productos responsivo */
.menu-categorias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 30px;
}

.card {
  background: white;
  border-radius: 25px;
  padding: 25px;
  text-decoration: none;
  color: black;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.card img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 15px;
}

.card h3 {
  margin-top: 10px;
  color: #2e7d32;
}

.card p {
  font-size: 0.9em;
  color: #444;
}

button {
  background: #78b13f;
  color: white;
  border: none;
  padding: 10px 15px;
  margin-top: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #5a8f2a;
}

#carrito {
  margin: 20px;
  background: white;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

#total {
  font-weight: bold;
  color: #2e7d32;
}

footer {
  background: #eee;
  padding: 10px;
  font-size: 0.9em;
  color: #555;
}

/* 📱 RESPONSIVE para móviles */
@media (max-width: 768px) {
  header {
    font-size: 1.4em;
    padding: 15px;
  }

  .menu-categorias {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 5px;
  }

  .card {
    width: 90%;
    margin: 0 auto;
  }

  .card img {
    height: 200px;
  }

  #carrito {
    margin: 10px;
    padding: 10px;
  }

  button {
    width: 100%;
    padding: 12px;
    font-size: 1em;
  }
}