/* ============================================
   BIZZY.CD MODERN DESIGN SYSTEM v2.0
   ============================================ */

/* === COLOR PALETTE: Congo Tech === */
:root {
  /* Primary - Vibrant Tech Orange */
  --primary-50: #FFF5E6;
  --primary-100: #FFE8CC;
  --primary-200: #FFD199;
  --primary-300: #FFB966;
  --primary-400: #FFA233;
  --primary-500: #FF6B35;
  --primary-600: #E84A09;
  --primary-700: #C13D07;
  --primary-800: #993106;
  --primary-900: #702404;

  /* Secondary - Trust Blue */
  --secondary-50: #E6F0F5;
  --secondary-100: #CCE1EB;
  --secondary-200: #99C3D7;
  --secondary-300: #66A5C3;
  --secondary-400: #3387AF;
  --secondary-500: #1B4965;
  --secondary-600: #0F2E42;
  --secondary-700: #0A1F2D;
  --secondary-800: #061318;
  --secondary-900: #030A0C;

  /* Accent Colors */
  --accent-green: #06D6A0;
  --accent-green-dark: #05B587;
  --accent-purple: #7B68EE;
  --accent-purple-dark: #6355D5;
  --accent-yellow: #FFD93D;
  --accent-yellow-dark: #F5C91F;

  /* Neutral Palette */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Semantic Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* === TYPOGRAPHY === */
  --font-display: 'Cal Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Font Sizes - Major Third Scale */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */
  --text-7xl: 4.5rem;
  /* 72px */
  --text-8xl: 6rem;
  /* 96px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;

  /* === SPACING: 8pt Grid === */
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */
  --space-20: 5rem;
  /* 80px */
  --space-24: 6rem;
  /* 96px */
  --space-32: 8rem;
  /* 128px */

  /* === SHADOWS: Layered Depth === */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow-primary: 0 0 20px rgba(255, 107, 53, 0.3);
  --shadow-glow-green: 0 0 20px rgba(6, 214, 160, 0.3);

  /* === BORDER RADIUS === */
  --radius-sm: 0.375rem;
  /* 6px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 0.75rem;
  /* 12px */
  --radius-xl: 1rem;
  /* 16px */
  --radius-2xl: 1.5rem;
  /* 24px */
  --radius-full: 9999px;

  /* === 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);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* === Z-INDEX SCALE === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === ANIMATIONS === */

/* Fade In Up - Cards entrance */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Slide In Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Pulse Subtle - Live badges */
@keyframes pulseSubtle {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Blob Animation - Hero background */
@keyframes blob {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -50px) scale(1.1);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

/* Shimmer - Loading states */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }

  100% {
    background-position: 1000px 0;
  }
}

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

/* === UTILITY CLASSES === */

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

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

.animate-pulse-subtle {
  animation: pulseSubtle 2s ease-in-out infinite;
}

.animate-blob {
  animation: blob 7s infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Animation Delays */
.animation-delay-200 {
  animation-delay: 200ms;
}

.animation-delay-400 {
  animation-delay: 400ms;
}

.animation-delay-600 {
  animation-delay: 600ms;
}

.animation-delay-2000 {
  animation-delay: 2s;
}

.animation-delay-4000 {
  animation-delay: 4s;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg,
      var(--gray-100) 25%,
      var(--gray-200) 50%,
      var(--gray-100) 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

/* Micro-interactions */
.scale-click-active {
  transform: scale(0.97) !important;
  transition: transform 0.1s ease-in-out !important;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 {
  transition-delay: 100ms;
}

.stagger-2 {
  transition-delay: 200ms;
}

.stagger-3 {
  transition-delay: 300ms;
}

.stagger-4 {
  transition-delay: 400ms;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Button Base Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-800);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-200);
  border-color: var(--gray-400);
}

/* Card Styles */
.card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-500);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  border: 1px solid;
}

.badge-success {
  background: #ECFDF5;
  color: #059669;
  border-color: #A7F3D0;
}

.badge-warning {
  background: #FFFBEB;
  color: #D97706;
  border-color: #FDE68A;
}

.badge-error {
  background: #FEF2F2;
  color: #DC2626;
  border-color: #FECACA;
}

.badge-info {
  background: #EFF6FF;
  color: #2563EB;
  border-color: #BFDBFE;
}

/* === GLOBAL STYLES === */
body {
  font-family: var(--font-body);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--gray-900);
}

/* === RESPONSIVE UTILITIES === */
@media (max-width: 640px) {
  :root {
    --text-6xl: 2.5rem;
    --text-7xl: 3rem;
    --text-8xl: 3.5rem;
  }
}

/* === ACCESSIBILITY === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Visible */
*:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background-color: var(--primary-500);
  color: white;
}