body {
  margin: 0;
  font-family: sans-serif;
  color: white;
  background: linear-gradient(135deg, #001f3f, #000000);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.container {
  padding: 2rem;
  text-align: center;
}
.title {
  font-size: 3rem;
  font-weight: bold;
}
.tagline {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}
.info-boxes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.card {
  background: rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 0.5rem;
  width: 200px;
}
.terminal {
  background: #111;
  border-radius: 4px;
  color: white;
  font-family: monospace;
  font-size: 1rem;
  margin-top: 2rem;
  padding: 1rem;
}
.hidden {
  display: none;
}
#terminal-input {
  background: transparent;
  border: none;
  color: white;
  font-family: monospace;
  font-size: 1rem;
  width: 100%;
  outline: none;
}
#terminal-output {
  white-space: pre-wrap;
  text-align: left;
  color: white;
}
.terminal-header {
  text-align: left;
  font-family: monospace;
  color: #0f0;
}
.prompt-symbol {
  color: #0f0;
}
.footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
}