body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fff;
  color: #000;
  text-align: center;
}

/* Barra superior */
.topbar {
  background-color: #e0e0d1;
  padding: 10px;
  display: flex;
  justify-content: center;
  gap: 15px;
}

.topbar input, .topbar select {
  padding: 8px;
  font-size: 14px;
}

/* Grid de arquivos */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 20px;
}

.card {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.card h3 {
  margin-bottom: 15px;
}

/* Botões */
button {
  background-color: #333;
  color: #fff;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
}

button:hover {
  background-color: #555;
}

/* Rodapé */
footer {
  background-color: #f0f0f0;
  padding: 20px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 10px;
}

.social-links img {
  width: 100px;
  height: 100px;
  cursor: pointer;
}