:root {
  --cyan: #00fff2;
  --magenta: #ff00ff;
  --lime: #39ff14;
  --orange: #ff6600;
  --pink: #ff1493;
  --purple: #9d00ff;
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: #fff;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(0, 255, 242, 0.3);
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 48px;
  font-size: 1.1rem;
}

.button-section {
  margin-bottom: 40px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: #888;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.button-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.neon-btn {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  border: 2px solid var(--cyan);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.neon-btn.cyan {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 5px var(--cyan), inset 0 0 5px rgba(0, 255, 242, 0.1);
}

.neon-btn.cyan:hover {
  background: rgba(0, 255, 242, 0.1);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px var(--cyan), 0 0 40px var(--cyan), inset 0 0 10px rgba(0, 255, 242, 0.2);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--cyan);
}

.neon-btn.magenta {
  color: var(--magenta);
  border-color: var(--magenta);
  box-shadow: 0 0 5px var(--magenta), inset 0 0 5px rgba(255, 0, 255, 0.1);
}

.neon-btn.magenta:hover {
  background: rgba(255, 0, 255, 0.1);
  box-shadow: 0 0 10px var(--magenta), 0 0 20px var(--magenta), 0 0 40px var(--magenta), inset 0 0 10px rgba(255, 0, 255, 0.2);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--magenta);
}

.neon-btn.lime {
  color: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 5px var(--lime), inset 0 0 5px rgba(57, 255, 20, 0.1);
}

.neon-btn.lime:hover {
  background: rgba(57, 255, 20, 0.1);
  box-shadow: 0 0 10px var(--lime), 0 0 20px var(--lime), 0 0 40px var(--lime), inset 0 0 10px rgba(57, 255, 20, 0.2);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--lime);
}

.neon-btn.orange {
  color: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 5px var(--orange), inset 0 0 5px rgba(255, 102, 0, 0.1);
}

.neon-btn.orange:hover {
  background: rgba(255, 102, 0, 0.1);
  box-shadow: 0 0 10px var(--orange), 0 0 20px var(--orange), 0 0 40px var(--orange), inset 0 0 10px rgba(255, 102, 0, 0.2);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--orange);
}

.neon-btn-pulse {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  border: 2px solid var(--cyan);
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.neon-btn-pulse.cyan {
  color: var(--cyan);
  border-color: var(--cyan);
  animation: pulse-cyan 2s ease-in-out infinite;
}

.neon-btn-pulse.magenta {
  color: var(--magenta);
  border-color: var(--magenta);
  animation: pulse-magenta 2s ease-in-out infinite;
}

@keyframes pulse-cyan {
  0%, 100% {
    box-shadow: 0 0 5px var(--cyan), 0 0 10px var(--cyan);
  }
  50% {
    box-shadow: 0 0 15px var(--cyan), 0 0 30px var(--cyan), 0 0 45px var(--cyan);
  }
}

@keyframes pulse-magenta {
  0%, 100% {
    box-shadow: 0 0 5px var(--magenta), 0 0 10px var(--magenta);
  }
  50% {
    box-shadow: 0 0 15px var(--magenta), 0 0 30px var(--magenta), 0 0 45px var(--magenta);
  }
}

.neon-btn-gradient {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: var(--bg-dark);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
}

.neon-btn-gradient::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(45deg, var(--cyan), var(--magenta), var(--cyan));
  background-size: 200% 200%;
  border-radius: 10px;
  z-index: -1;
  animation: gradient-move 3s linear infinite;
  filter: blur(0px);
  transition: filter 0.3s ease;
}

.neon-btn-gradient::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--bg-dark);
  border-radius: 6px;
  z-index: -1;
}

.neon-btn-gradient:hover::before {
  filter: blur(8px);
}

.neon-btn-gradient.reverse::before {
  background: linear-gradient(45deg, var(--lime), var(--orange), var(--lime));
  background-size: 200% 200%;
}

@keyframes gradient-move {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.neon-btn-fill {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
}

.neon-btn-fill.cyan {
  background: var(--cyan);
  color: #000;
  box-shadow: 0 0 10px var(--cyan), 0 0 20px rgba(0, 255, 242, 0.5);
}

.neon-btn-fill.cyan:hover {
  box-shadow: 0 0 15px var(--cyan), 0 0 30px var(--cyan), 0 0 45px var(--cyan);
  transform: translateY(-2px);
}

.neon-btn-fill.magenta {
  background: var(--magenta);
  color: #fff;
  box-shadow: 0 0 10px var(--magenta), 0 0 20px rgba(255, 0, 255, 0.5);
}

.neon-btn-fill.magenta:hover {
  box-shadow: 0 0 15px var(--magenta), 0 0 30px var(--magenta), 0 0 45px var(--magenta);
  transform: translateY(-2px);
}

.neon-btn-fill.lime {
  background: var(--lime);
  color: #000;
  box-shadow: 0 0 10px var(--lime), 0 0 20px rgba(57, 255, 20, 0.5);
}

.neon-btn-fill.lime:hover {
  box-shadow: 0 0 15px var(--lime), 0 0 30px var(--lime), 0 0 45px var(--lime);
  transform: translateY(-2px);
}

.neon-btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  border: 2px solid var(--cyan);
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
}

.neon-btn-icon.cyan {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 5px var(--cyan);
}

.neon-btn-icon.cyan:hover {
  background: rgba(0, 255, 242, 0.1);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px var(--cyan);
}

.neon-btn-icon.magenta {
  color: var(--magenta);
  border-color: var(--magenta);
  box-shadow: 0 0 5px var(--magenta);
}

.neon-btn-icon.magenta:hover {
  background: rgba(255, 0, 255, 0.1);
  box-shadow: 0 0 10px var(--magenta), 0 0 20px var(--magenta);
}

.neon-btn-icon.lime {
  color: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 5px var(--lime);
}

.neon-btn-icon.lime:hover {
  background: rgba(57, 255, 20, 0.1);
  box-shadow: 0 0 10px var(--lime), 0 0 20px var(--lime);
}

.neon-btn-icon svg {
  transition: transform 0.3s ease;
}

.neon-btn-icon:hover svg {
  transform: translateX(3px);
}

.neon-btn-pill {
  padding: 14px 40px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  border: 2px solid var(--cyan);
  border-radius: 50px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
}

.neon-btn-pill.cyan {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 5px var(--cyan), inset 0 0 5px rgba(0, 255, 242, 0.1);
}

.neon-btn-pill.cyan:hover {
  background: rgba(0, 255, 242, 0.1);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px var(--cyan), 0 0 40px var(--cyan);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--cyan);
}

.neon-btn-pill.magenta {
  color: var(--magenta);
  border-color: var(--magenta);
  box-shadow: 0 0 5px var(--magenta), inset 0 0 5px rgba(255, 0, 255, 0.1);
}

.neon-btn-pill.magenta:hover {
  background: rgba(255, 0, 255, 0.1);
  box-shadow: 0 0 10px var(--magenta), 0 0 20px var(--magenta), 0 0 40px var(--magenta);
  text-shadow: 0 0 5px #fff, 0 0 10px var(--magenta);
}

.neon-btn-circle {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.neon-btn-circle.cyan {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 5px var(--cyan);
}

.neon-btn-circle.cyan:hover {
  background: rgba(0, 255, 242, 0.1);
  box-shadow: 0 0 10px var(--cyan), 0 0 20px var(--cyan), 0 0 30px var(--cyan);
}

.neon-btn-circle.magenta {
  color: var(--magenta);
  border-color: var(--magenta);
  box-shadow: 0 0 5px var(--magenta);
}

.neon-btn-circle.magenta:hover {
  background: rgba(255, 0, 255, 0.1);
  box-shadow: 0 0 10px var(--magenta), 0 0 20px var(--magenta), 0 0 30px var(--magenta);
}

.neon-btn-flicker {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: flicker 1.5s infinite alternate;
}

@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    box-shadow: 0 0 5px var(--cyan), 0 0 10px var(--cyan), 0 0 20px var(--cyan);
    text-shadow: 0 0 5px var(--cyan);
  }
  20%, 24%, 55% {
    box-shadow: none;
    text-shadow: none;
  }
}

.neon-btn-rainbow {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  background: transparent;
  color: #fff;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  animation: rainbow-glow 3s linear infinite;
}

@keyframes rainbow-glow {
  0% {
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000, 0 0 30px #ff0000;
    border-color: #ff0000;
    color: #ff0000;
  }
  16% {
    box-shadow: 0 0 10px #ff8800, 0 0 20px #ff8800, 0 0 30px #ff8800;
    border-color: #ff8800;
    color: #ff8800;
  }
  33% {
    box-shadow: 0 0 10px #ffff00, 0 0 20px #ffff00, 0 0 30px #ffff00;
    border-color: #ffff00;
    color: #ffff00;
  }
  50% {
    box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00, 0 0 30px #00ff00;
    border-color: #00ff00;
    color: #00ff00;
  }
  66% {
    box-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff, 0 0 30px #00ffff;
    border-color: #00ffff;
    color: #00ffff;
  }
  83% {
    box-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff, 0 0 30px #ff00ff;
    border-color: #ff00ff;
    color: #ff00ff;
  }
  100% {
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000, 0 0 30px #ff0000;
    border-color: #ff0000;
    color: #ff0000;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 24px 16px;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .button-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .button-grid button {
    width: 100%;
  }

  .neon-btn-circle {
    width: 100%;
    border-radius: 8px;
    height: auto;
    padding: 14px;
  }
}