* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #0D0D0D;
  color: #888;
  font-family: 'Courier New', Courier, monospace;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.main-content img {
  width: 100%;
  max-width: 1200px;
  height: auto;
  border-radius: 6px;
  border: 2px solid #222;
  transition: border 0.3s ease;
}

.main-content img:hover {
  border: 2px solid #C2A86F; /* dourado suave ao passar o mouse */
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #111;
  font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
  .main-content {
    padding: 1rem;
  }

  .main-content img {
    max-width: 100%;
    border: 1px solid #444; /* borda mais discreta em telas menores */
  }
}