/* ===================================
   NullifyData Design System
   Inspired by modern dark themes with glassmorphism
   =================================== */

/* === CSS Variables === */
:root {
  /* Colors - Dark theme with vibrant accents */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #13131a;
  --color-bg-tertiary: #1a1a24;
  
  --color-surface: #1e1e2e;
  --color-surface-elevated: #252538;
  --color-surface-glass: rgba(30, 30, 46, 0.7);
  
  --color-primary: #5f6eff;
  --color-primary-hover: #7a84ff;
  --color-primary-light: #b3bfff;
  --color-primary-dark: #3f49ff;
  
  --color-secondary: #8b5cf6;
  --color-secondary-hover: #a78bfa;
  
  --color-accent: #3eb991;
  --color-accent-hover: #4ecaa3;
  
  --color-text-primary: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(255, 255, 255, 0.2);
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #5f6eff 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #3eb991 0%, #5f6eff 100%);
  --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #13131a 50%, #1a1a24 100%);
  --gradient-hero: radial-gradient(ellipse at top, rgba(95, 110, 255, 0.15) 0%, transparent 50%);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(95, 110, 255, 0.3);
  --shadow-glow-strong: 0 0 40px rgba(95, 110, 255, 0.5);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-base: 1;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal: 1300;
  --z-popover: 1400;
  --z-tooltip: 1500;
}

/* === Reset & Base Styles === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* === Scrollbar Styling === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* === Typography Utilities === */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }
.text-6xl { font-size: var(--font-size-6xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }

/* === Layout Utilities === */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

/* === Animations === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(95, 110, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(95, 110, 255, 0.6);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes gridMove {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(50px);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-scale {
  animation: fadeInScale 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-glow {
  animation: glow 3s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* === Utility Classes === */
.glass {
  background: var(--color-surface-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-border {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 2px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-6xl: 3rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-6xl: 2.5rem;
  }
}