/* Advanced Animations */

/* ========================================
   FLOATING ANIMATION
   ======================================== */

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(2deg);
  }
  66% {
    transform: translateY(10px) rotate(-2deg);
  }
}

/* ========================================
   GRADIENT ANIMATION
   ======================================== */

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

/* ========================================
   PULSE GLOW ANIMATION
   ======================================== */

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.6);
  }
}

/* ========================================
   SHIMMER EFFECT
   ======================================== */

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

/* ========================================
   SCALE PULSE
   ======================================== */

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

/* ========================================
   FADE IN UP
   ======================================== */

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

/* ========================================
   FADE IN DOWN
   ======================================== */

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

/* ========================================
   FADE IN LEFT
   ======================================== */

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

/* ========================================
   FADE IN RIGHT
   ======================================== */

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

/* ========================================
   SCALE IN
   ======================================== */

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   ROTATE IN
   ======================================== */

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.95);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* ========================================
   PARTICLE ANIMATIONS
   ======================================== */

/* Particle Base */
.hero__particles::before,
.hero__particles::after {
  content: '';
  position: absolute;
  border-radius: var(--radius-full);
  background: var(--color-primary-alpha-20);
  animation: float 8s ease-in-out infinite;
}

.hero__particles::before {
  top: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  animation-delay: 0s;
}

.hero__particles::after {
  bottom: 20%;
  right: 10%;
  width: 400px;
  height: 400px;
  animation-delay: 2s;
}

/* ========================================
   TEXT GRADIENT ANIMATION
   ======================================== */

.text-gradient {
  background: var(--gradient-hero);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease infinite;
}

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

.service-card {
  position: relative;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
  pointer-events: none;
  border-radius: var(--radius-xl);
}

.service-card:hover::after {
  opacity: 0.03;
}

/* ========================================
   RIPPLE EFFECT
   ======================================== */

.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
  opacity: 0;
}

/* ========================================
   PARALLAX EFFECT (JavaScript controlled)
   ======================================== */

.parallax-slow {
  will-change: transform;
  transition: transform 0.1s ease-out;
}

.parallax-fast {
  will-change: transform;
  transition: transform 0.05s ease-out;
}

/* ========================================
   STAGGER ANIMATIONS (JavaScript controlled)
   ======================================== */

.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 STATES
   ======================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-dark) 0%,
    var(--color-surface) 50%,
    var(--color-surface-dark) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ========================================
   SCROLL-BASED ANIMATIONS
   ======================================== */

/* Elements start hidden and fade in when revealed */
.reveal-fade {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

.reveal-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

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

/* ========================================
   MAGNETIC BUTTON EFFECT (JavaScript controlled)
   ======================================== */

.btn--magnetic {
  transition: transform var(--duration-base) var(--ease-spring);
  will-change: transform;
}

/* ========================================
   GLASSMORPHISM EFFECTS
   ======================================== */

.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

.glass-dark {
  background: rgba(28, 25, 23, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ========================================
   NEON GLOW EFFECTS
   ======================================== */

.glow-primary {
  box-shadow:
    0 0 10px var(--color-primary-alpha-20),
    0 0 20px var(--color-primary-alpha-20),
    0 0 40px var(--color-primary-alpha-10);
}

.glow-accent {
  box-shadow:
    0 0 10px rgba(245, 158, 11, 0.2),
    0 0 20px rgba(245, 158, 11, 0.2),
    0 0 40px rgba(245, 158, 11, 0.1);
}

/* ========================================
   GRADIENT BORDER ANIMATION
   ======================================== */

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

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  padding: 2px;
  background: var(--gradient-hero);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
}

.gradient-border:hover::before {
  opacity: 1;
}

/* ========================================
   PAGE LOAD ANIMATIONS
   ======================================== */

@keyframes pageLoad {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-load {
  animation: pageLoad var(--duration-slow) var(--ease-out) both;
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Hardware acceleration for smooth animations */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
}

/* ========================================
   REDUCED MOTION SUPPORT
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__particles::before,
  .hero__particles::after {
    animation: none;
  }

  .text-gradient {
    animation: none;
  }

  .hero__scroll-icon {
    animation: none;
  }
}

/* ========================================
   CUSTOM CURSOR (Optional Enhancement)
   ======================================== */

.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-tooltip);
  transition:
    transform var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-smooth);
  transform: translate(-50%, -50%);
}

.custom-cursor--hover {
  transform: translate(-50%, -50%) scale(1.5);
  border-color: var(--color-accent);
}

/* ========================================
   SMOOTH REVEAL CLASSES
   ======================================== */

.reveal-on-scroll {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
}

/* ========================================
   BUTTON HOVER ENHANCEMENTS
   ======================================== */

.btn--enhanced {
  transition:
    transform var(--duration-base) var(--ease-smooth),
    box-shadow var(--duration-base) var(--ease-smooth),
    background var(--duration-base) var(--ease-smooth);
}

.btn--enhanced:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn--enhanced:active {
  transform: translateY(0) scale(0.98);
}