body {
    background-color: #000000;
    margin: 0;
    height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
  margin-left: 220px;
  padding: 20px;
  color: #ff6600;
  text-align: center;
  font-family: monospace;
}

.logo {
  font-family: 'Courier New', Courier, monospace;
  white-space: pre;
  color: #ff6600;
  background-color: transparent;
  border: 2px solid #ff6600;
  padding: 10px 20px;
  width: fit-content;
  margin: 50px auto 0 auto;
  text-align: center;
  animation: flicker 5s infinite;
  display: inline-block;
  font-size: 14px;
  line-height: 1.2;
  text-shadow:
    0 0 6px #ff6600,
    0 0 12px #ff8533,
    0 0 24px #ff9933;
}


@keyframes flicker {
  0%, 40%, 42%, 44%, 46%, 80%, 82%, 100% {
    opacity: 1;
    text-shadow:
      0 0 4px #ff6600,
      0 0 10px #ff8533,
      0 0 20px #ff9933,
      0 0 30px #ff9933;
  }
  41%, 45%, 81% {
    opacity: 0.5;
    text-shadow:
      0 0 2px #ff6600,
      0 0 5px #ff8533;
  }
}

.sidebar {
  position: fixed;
  left: 0;
  top: 10vh;
  bottom: 10vh;
  width: 200px;
  background-color: transparent;
  border-right: 3px solid #ff6600;
  box-shadow:
    0 0 5px #ff6600,
    0 0 10px #ff6600,
    0 0 15px #ff6600;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  z-index: 1000;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

.sidebar li {
  margin: 20px 0;
}

.sidebar a {
  color: #ff6600;
  text-decoration: none;
  font-family: monospace;
  font-weight: bold;
  font-size: 1.2rem;
  padding: 10px 15px;
  display: block;
  transition: background-color 0.3s, color 0.3s;
  border-radius: 4px;
}

.sidebar a:hover {
  background-color: #ff660033;
  color: #fff;
  box-shadow:
    0 0 8px #ff6600,
    0 0 20px #ff6600;
}

.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 220px;
  right: 0;
  background-color: transparent;
  color: #ff6600;
  text-align: center;
  padding: 12px 0;
  font-family: monospace;
  font-weight: bold;
  animation: flickerFooter 6s infinite;
  z-index: 1000;
}

@keyframes flickerFooter {
  0%, 40%, 42%, 44%, 46%, 80%, 82%, 100% {
    opacity: 1;
    text-shadow:
      0 0 4px #ff6600,
      0 0 10px #ff8533,
      0 0 20px #ff9933;
  }
  41%, 45%, 81% {
    opacity: 0.5;
    text-shadow:
      0 0 2px #ff6600;
  }
}