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

:root {
  --neon-blue: #00f3ff;
  --neon-pink: #ff00ff;
  --neon-purple: #9d00ff;
  --neon-green: #00ff88;
  --bg-dark: #0a0a0f;
  --bg-darker: #050508;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
  position: relative;
}

h1, h2, h3, h4 {
  font-weight: 700;
  margin-bottom: 20px;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 10px;
  text-shadow: 0 0 20px var(--neon-blue);
}

.subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 50px;
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border: 2px solid var(--neon-blue);
  background: transparent;
  color: var(--neon-blue);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: var(--neon-blue);
  color: var(--bg-dark);
  box-shadow: 0 0 30px var(--neon-blue);
}

.btn-neon-pink {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}

.btn-neon-pink:hover {
  background: var(--neon-pink);
  box-shadow: 0 0 30px var(--neon-pink);
}

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 30px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 10px 40px rgba(0, 243, 255, 0.2);
}

.neon-text {
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 40px var(--neon-blue);
}

.neon-text-pink {
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink);
}

.neon-border {
  border: 2px solid var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px var(--neon-blue);
}

.holographic {
  background: linear-gradient(135deg, 
    rgba(0, 243, 255, 0.1) 0%, 
    rgba(157, 0, 255, 0.1) 50%, 
    rgba(255, 0, 255, 0.1) 100%);
  border: 1px solid rgba(0, 243, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.holographic::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(0, 243, 255, 0.1),
    transparent,
    rgba(157, 0, 255, 0.1),
    transparent
  );
  animation: holographic 3s linear infinite;
}

@keyframes holographic {
  0% { transform: translateX(-50%) translateY(-50%) rotate(0deg); }
  100% { transform: translateX(-50%) translateY(-50%) rotate(360deg); }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-indicator {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-20px); }
  60% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-indicator svg {
  width: 40px;
  height: 40px;
  fill: var(--neon-blue);
  filter: drop-shadow(0 0 10px var(--neon-blue));
}

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-darker);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 80px;
  height: 80px;
  border: 3px solid transparent;
  border-top-color: var(--neon-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  color: var(--neon-blue);
  font-size: 1.2rem;
  letter-spacing: 3px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.click-effect {
  position: fixed;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  animation: clickRipple 0.6s ease-out forwards;
}

@keyframes clickRipple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

.particle {
  position: fixed;
  width: 5px;
  height: 5px;
  background: var(--neon-blue);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  animation: particleExplode 0.8s ease-out forwards;
}

@keyframes particleExplode {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) scale(0);
    opacity: 0;
  }
}