:root {
  --neon-cyan: #00f5ff;
  --neon-magenta: #ff00ff;
  --neon-blue: #0080ff;
  --text-primary: #fff;
  --text-secondary: rgba(255, 255, 255, .7);
  --glow-cyan: 0 0 20px rgba(0, 245, 255, .5), 0 0 40px rgba(0, 245, 255, .3);
  --glow-magenta: 0 0 20px rgba(255, 0, 255, .5), 0 0 40px rgba(255, 0, 255, .3);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
}

#tron-city {
  position: fixed;
  inset: 0;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, .4) 100%);
}

.overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, .03) 2px, rgba(0, 0, 0, .03) 4px);
  pointer-events: none;
  z-index: 100;
}

.content {
  text-align: center;
  max-width: 600px;
}

.logo-container {
  position: relative;
  margin-bottom: 1.5rem;
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(0, 245, 255, .15) 0%, transparent 70%);
  filter: blur(20px);
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  letter-spacing: .1em;
  text-shadow: var(--glow-cyan);
  position: relative;
}

.logo .accent {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

.tagline {
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

.cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.coming-soon {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem 1.25rem;
  background: rgba(255, 0, 255, .1);
  border: 1px solid rgba(255, 0, 255, .3);
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--neon-magenta);
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--neon-magenta);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease-in-out infinite;
  box-shadow: var(--glow-magenta);
}

@keyframes pulse-dot {
  50% {
    opacity: .5;
    transform: scale(.8);
  }
}

.signup-form {
  visibility: hidden;
  display: flex;
  width: 100%;
  max-width: 450px;
  background: rgba(0, 0, 0, .6);
  border: 1px solid rgba(0, 245, 255, .3);
  border-radius: 8px;
  overflow: hidden;
  transition: all .3s;
}

.signup-form:focus-within {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
}

.signup-form input {
  flex: 1;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: .95rem;
}

.signup-form input::placeholder {
  color: rgba(255, 255, 255, .4);
}

.signup-form button {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  border: none;
  color: #000;
  font-family: 'Orbitron', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  transition: all .3s;
}

.signup-form button:hover {
  background: linear-gradient(135deg, #0ff, #00a0ff);
  box-shadow: var(--glow-cyan);
}

.signup-form button svg {
  transition: transform .3s;
}

.signup-form button:hover svg {
  transform: translateX(4px);
}

.footer {
  position: absolute;
  bottom: 2rem;
  font-size: .8rem;
  color: rgba(255, 255, 255, .3);
  letter-spacing: .15em;
}

@media (max-width: 600px) {
  .signup-form {
    flex-direction: column;
    border-radius: 12px;
  }

  .signup-form input {
    text-align: center;
    padding: 1rem;
  }

  .signup-form button {
    justify-content: center;
    padding: 1rem;
    border-radius: 0;
  }
}