/**
 * DMD (Didascou Media Digital) — Local Framework & Animation Engine
 * Standardized Tailwind CSS Utility Subsets & Micro-Animations
 * Status: 100% LOCAL & LOCKED (DEC-013) — Zero Remote CDN Dependencies
 */

/* ==========================================================================
   1. KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes dmdFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes dmdFadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dmdFadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dmdScaleIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes dmdUnderlineGrow {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes dmdPulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 221, 0, 0.4);
  }
  50% {
    box-shadow: 0 0 16px 4px rgba(255, 221, 0, 0.25);
  }
}

@keyframes dmdShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes dmdFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* ==========================================================================
   2. TAILWIND-COMPATIBLE UTILITY CLASSES
   ========================================================================== */

/* Animation Utilities */
.animate-fade-in {
  animation: dmdFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in-up {
  animation: dmdFadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in-down {
  animation: dmdFadeInDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scale-in {
  animation: dmdScaleIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-pulse-glow {
  animation: dmdPulseGlow 2.5s infinite;
}

.animate-float {
  animation: dmdFloat 3.5s ease-in-out infinite;
}

/* Transition Utilities */
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 200ms;
}

.transition-colors {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 200ms;
}

.transition-transform {
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 200ms;
}

.duration-150 { transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }

.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.ease-bounce { transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1); }

/* Backdrop Filter Utilities */
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }

/* Transform & Hover Utilities */
.hover\:-translate-y-0\.5:hover { transform: translateY(-2px); }
.hover\:-translate-y-1:hover { transform: translateY(-4px); }
.hover\:scale-102:hover { transform: scale(1.02); }
.hover\:scale-105:hover { transform: scale(1.05); }
.active\:scale-95:active { transform: scale(0.95); }
.active\:scale-98:active { transform: scale(0.98); }

/* Display & Flexbox Utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Opacity Utilities */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Will-change for Performance */
.will-change-transform { will-change: transform; }
.will-change-opacity { will-change: opacity; }