/* ============================================
   BASE STYLES - GTA5 Inspired Modern UI
   ============================================ */
* { 
  box-sizing: border-box;
  user-select: none;
}   
:root {
  /* GTA5-inspired color palette */
  --gta-bg: #0a0e1a;
  --gta-surface: #141927;
  --gta-surface-light: #1e2433;
  --gta-accent: #00d4ff;
  --gta-accent-secondary: #ff3366;
  --gta-accent-tertiary: #ffaa00;
  --gta-text: #ffffff;
  --gta-text-secondary: #a0a8b8;
  --gta-border: rgba(255, 255, 255, 0.1);
  --gta-border-accent: rgba(0, 212, 255, 0.3);
  
  /* Gradients */
  --gta-gradient-primary: linear-gradient(135deg, var(--gta-accent), #00a8cc);
  --gta-gradient-secondary: linear-gradient(135deg, var(--gta-accent-secondary), #cc1144);
  --gta-gradient-tertiary: linear-gradient(135deg, var(--gta-accent-tertiary), #ff8800);
  
  /* Shadows */
  --gta-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --gta-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --gta-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --gta-shadow-glow: 0 0 20px rgba(0, 212, 255, 0.4);
  
  /* Typography */
  --gta-font-primary: 'Roboto', 'Be Vietnam Pro', 'Arial', sans-serif;
  --gta-font-secondary: 'Roboto', 'Be Vietnam Pro', 'Arial', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--gta-font-primary);
  background: var(--gta-bg);
  color: var(--gta-text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated background */
.gta-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.gta-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gta-grid-move 20s linear infinite;
}

@keyframes gta-grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.gta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  animation: gta-float 15s ease-in-out infinite;
}

.gta-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--gta-accent);
  top: -300px;
  left: -300px;
  animation-delay: 0s;
}

.gta-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--gta-accent-secondary);
  bottom: -250px;
  right: -250px;
  animation-delay: 5s;
}

.gta-orb-3 {
  width: 400px;
  height: 400px;
  background: var(--gta-accent-tertiary);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

@keyframes gta-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Base typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 { font-size: clamp(32px, 5vw, 48px); }
h2 { font-size: clamp(24px, 4vw, 32px); }
h3 { font-size: clamp(20px, 3vw, 24px); }

p {
  margin: 0;
  color: var(--gta-text-secondary);
}

a {
  color: var(--gta-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--gta-text);
}

/* Utility classes */
.gta-text-accent { color: var(--gta-accent); }
.gta-text-secondary { color: var(--gta-text-secondary); }
.gta-bg-surface { background: var(--gta-surface); }
.gta-bg-surface-light { background: var(--gta-surface-light); }

/* Responsive base */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }
  
  h1 { font-size: clamp(24px, 6vw, 32px); }
  h2 { font-size: clamp(20px, 5vw, 24px); }
  h3 { font-size: clamp(18px, 4vw, 20px); }
}