body {
  margin: 0;
  font-family: 'Courier New', monospace;
  color: #00ffcc;
  background-color: black;
  overflow-x: hidden;
}

h1, h2, .subtitle {
  text-align: center;
  text-shadow: 0 0 5px #0ff;
}

.crt {
  background: black;
  animation: flicker 0.15s infinite alternate;
  filter: url("#crt-filter");
}

nav {
  text-align: center;
  margin: 20px 0;
}

#menuToggle {
  font-size: 1.2em;
  padding: 10px;
  background: none;
  color: #00ffcc;
  border: 1px solid #00ffcc;
  border-radius: 5px;
  animation: neonGlow 1s infinite alternate;
  cursor: pointer;
}

#menuList {
  display: none;
  list-style: none;
  padding: 0;
}

#menuList li {
  margin: 10px;
}

#menuList li a {
  color: #00ffcc;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  position: relative;
  height: 80vh;
}

.bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(120%) saturate(140%) hue-rotate(-10deg);
}

.overlay {
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translateY(-50%);
  text-align: center;
}

.boot-screen {
  color: #00ff00;
  padding: 20px;
  font-size: 1.2em;
}

/* Animations */
@keyframes flicker {
  0% { opacity: 1; }
  100% { opacity: 0.95; }
}

@keyframes neonGlow {
  from { text-shadow: 0 0 5px #0ff, 0 0 10px #0ff; }
  to   { text-shadow: 0 0 10px #0ff, 0 0 20px #0ff; }
}

/* RGB Shift */
body.crt::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: transparent;
  pointer-events: none;
  mix-blend-mode: screen;
  background-image: linear-gradient(rgba(255,0,0,0.03), rgba(0,255,0,0.03), rgba(0,0,255,0.03));
  z-index: 9999;
}

/* Responsive */
@media (max-width: 600px) {
  #menuList {
    display: block;
  }
}