/* ==========================================================================
   Commercial Pro - Optimized Animations CSS
   ========================================================================== */

/* CSS Custom Properties for Animations */
:root {
  --animation-duration-fast: 0.3s;
  --animation-duration-normal: 0.6s;
  --animation-duration-slow: 1s;
  --animation-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --animation-timing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */

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

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

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInFromTop {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-10px);
  }
  70% {
    transform: translateY(-5px);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

@keyframes gradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--primary-color, #667eea); }
}

@keyframes particles {
  from { transform: translateY(0px); }
  to { transform: translateY(-100px); }
}

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

.fade-in-up {
  animation: fadeInUp var(--animation-duration-normal) var(--animation-timing);
}

.fade-in-left {
  animation: fadeInLeft var(--animation-duration-normal) var(--animation-timing);
}

.fade-in-right {
  animation: fadeInRight var(--animation-duration-normal) var(--animation-timing);
}

.fade-in-scale {
  animation: fadeInScale var(--animation-duration-normal) var(--animation-timing);
}

.slide-in-top {
  animation: slideInFromTop var(--animation-duration-normal) var(--animation-timing);
}

.bounce-animation {
  animation: bounce 2s infinite;
}

.pulse-animation {
  animation: pulse 2s infinite;
}

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

.gradient-animation {
  background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

/* ==========================================================================
   HOVER EFFECTS
   ========================================================================== */

.hover-lift {
  transition: transform var(--animation-duration-fast) var(--animation-timing),
              box-shadow var(--animation-duration-fast) var(--animation-timing);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.hover-glow {
  transition: box-shadow var(--animation-duration-fast) var(--animation-timing);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.hover-scale {
  transition: transform var(--animation-duration-fast) var(--animation-timing);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-rotate {
  transition: transform var(--animation-duration-fast) var(--animation-timing);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

/* ==========================================================================
   SCROLL ANIMATIONS
   ========================================================================== */

.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--animation-duration-normal) var(--animation-timing),
              transform var(--animation-duration-normal) var(--animation-timing);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity var(--animation-duration-normal) var(--animation-timing),
              transform var(--animation-duration-normal) var(--animation-timing);
}

.scroll-reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--animation-duration-normal) var(--animation-timing),
              transform var(--animation-duration-normal) var(--animation-timing);
}

.scroll-reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   STAGGER ANIMATIONS
   ========================================================================== */

.stagger-animation {
  animation-delay: var(--animation-delay, 0s);
}

.stagger-1 { --animation-delay: 0.1s; }
.stagger-2 { --animation-delay: 0.2s; }
.stagger-3 { --animation-delay: 0.3s; }
.stagger-4 { --animation-delay: 0.4s; }
.stagger-5 { --animation-delay: 0.5s; }

/* ==========================================================================
   LOADING ANIMATIONS
   ========================================================================== */

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--primary-color, #667eea);
  border-radius: 50%;
  animation: spin var(--animation-duration-slow) linear infinite;
}

/* ==========================================================================
   SPECIAL EFFECTS
   ========================================================================== */

.typewriter {
  overflow: hidden;
  border-right: 0.15em solid var(--primary-color, #667eea);
  white-space: nowrap;
  margin: 0 auto;
  letter-spacing: 0.15em;
  animation: typing 3.5s steps(30, end), blink-caret 0.5s step-end infinite;
}

.particles-bg {
  position: relative;
  overflow: hidden;
}

.particles-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
                    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.2), transparent),
                    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.4), transparent);
  background-repeat: repeat;
  background-size: 100px 100px;
  animation: particles 20s linear infinite;
  pointer-events: none;
}

/* ==========================================================================
   RESPONSIVE ANIMATIONS
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --animation-duration-fast: 0.2s;
    --animation-duration-normal: 0.4s;
    --animation-duration-slow: 0.6s;
  }
  
  .scroll-reveal,
  .scroll-reveal-left,
  .scroll-reveal-right {
    transform: translateY(20px);
  }
  
  .scroll-reveal-left.revealed,
  .scroll-reveal-right.revealed {
    transform: translateY(0);
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .loading-spinner {
    animation: none;
    border-top-color: var(--primary-color, #667eea);
  }
}