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

body {
  overflow: hidden;
}

.logo-container {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1000;
}

.logo {
  width: 200px;
  height: auto;
  transition: width 0.3s ease;
}

.iframe-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Responsive design */
@media screen and (max-width: 1024px) {
  .logo {
    width: 150px;
  }
}

@media screen and (max-width: 768px) {
  .logo {
    width: 120px;
  }
  
  .logo-container {
    top: 15px;
    left: 15px;
  }
}

@media screen and (max-width: 480px) {
  .logo {
    width: 130px;
  }
  
  .logo-container {
    top: 10px;
    left: 10px;
  }
}