body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #1c1c1c, #8b0000);
  color: white;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background-color: rgba(0, 0, 0, 0.75);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
  text-align: center;
  max-width: 1200px; /* cabe 3 colunas com folga */
  width: 95%;
}

h1 {
  font-size: 28px;
  margin-bottom: 20px;
}

p {
  font-size: 18px;
  margin-bottom: 30px;
}

button {
  background-color: #d32f2f;
  color: white;
  border: none;
  padding: 15px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  width: 100%;
  transition: 0.3s;
}

button:hover {
  background-color: #b71c1c;
  transform: scale(1.05);
}

/* GRID PRINCIPAL PARA OS MENUS */
.menu-duplo {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 colunas fixas */
  gap: 20px;
  margin-top: 20px;
}

/* cada menu é uma coluna */
.menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* responsivo */
@media (max-width: 900px) {
  .menu-duplo {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .menu-duplo {
    grid-template-columns: 1fr;
  }
}