body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  color: #fff;
  background: url("qi/img/fundo site.jpeg") no-repeat center center fixed;
  background-size: cover;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.8);
  z-index: -1;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 2rem;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 10px;
}

header, section, footer {
  text-align: center;
  margin-bottom: 2rem;
}

.download-button {
  background-color: #28a745;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border-radius: 5px;
  cursor: pointer;
}

.download-button:hover {
  background-color: #218838;
}

.gallery {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.gallery img {
  width: 250px;
  height: auto;
  border: 3px solid #fff;
  border-radius: 8px;
}

.contador {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #ccc;
}