body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
}
header {
  background: #2c3e50;
  color: white;
  padding: 1rem;
  text-align: center;
  font-size: 1.2rem;
}

/* Add space at the top for the fixed menu */
.container {
  display: flex;
  justify-content: center;
  padding: 1rem;
  margin-top: 100px; /* Adjust if your menu is taller */
  box-sizing: border-box;
}

iframe {
  width: 80%;
  height: 90vh;
  border: none;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  border-radius: 12px;
  background: #fff;
}

@media (max-width: 900px) {
  .container {
    margin-top: 110px;
    padding: 0.5rem;
  }
  iframe {
    width: 100%;
    height: 65vh;
  }
}