/*
═══════════════════════════════════════════════════════════════
  Advanced Animations - iOS 26 Liquid Design
═══════════════════════════════════════════════════════════════
*/

/* ============================================
   LIQUID MORPHING ANIMATIONS
   ============================================ */
@keyframes liquidMorph {
  0%, 100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
}

.liquid-shape {
  animation: liquidMorph 8s ease-in-out infinite;
}

/* ============================================
   FLOATING ANIMATIONS
   ============================================ */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(2deg);
  }
  66% {
    transform: translateY(-10px) rotate(-2deg);
  }
}

@keyframes floatFast {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

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

/* ============================================
   GLOWING PULSE ANIMATIONS
   ============================================ */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(150, 150, 150, 0.4),
                0 0 40px rgba(150, 150, 150, 0.2),
                0 0 60px rgba(150, 150, 150, 0.1);
  }
  50% {
    box-shadow: 0 0 30px rgba(150, 150, 150, 0.6),
                0 0 60px rgba(150, 150, 150, 0.4),
                0 0 90px rgba(150, 150, 150, 0.2);
  }
}

.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

/* ============================================
   GRADIENT ANIMATIONS
   ============================================ */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradientShift 10s ease infinite;
}

/* ============================================
   RIPPLE EFFECT
   ============================================ */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
}

.ripple-effect:active::after {
  animation: ripple 0.6s ease-out;
}

/* ============================================
   BOUNCE ANIMATIONS
   ============================================ */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.bounce-in {
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   SLIDE ANIMATIONS
   ============================================ */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* ============================================
   SCALE ANIMATIONS
   ============================================ */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-up {
  animation: scaleUp 0.4s ease;
}

/* ============================================
   SHAKE ANIMATION (for errors)
   ============================================ */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-10px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(10px);
  }
}

.shake {
  animation: shake 0.5s;
}

/* ============================================
   TYPING INDICATOR
   ============================================ */
@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

.typing-indicator span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin: 0 2px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0.5;
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

/* ============================================
   PROGRESS BAR ANIMATION
   ============================================ */
@keyframes progressFill {
  from {
    width: 0%;
  }
  to {
    width: var(--progress-width);
  }
}

.progress-animated {
  animation: progressFill 1.5s ease-out forwards;
}

/* ============================================
   PARTICLE FLOAT
   ============================================ */
@keyframes particleFloat {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(50px);
    opacity: 0;
  }
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: particleFloat 15s linear infinite;
}

/* ============================================
   BLUR IN ANIMATION
   ============================================ */
@keyframes blurIn {
  from {
    filter: blur(20px);
    opacity: 0;
  }
  to {
    filter: blur(0);
    opacity: 1;
  }
}

.blur-in {
  animation: blurIn 0.8s ease;
}

/* ============================================
   ROTATION ANIMATIONS
   ============================================ */
@keyframes rotate360 {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.rotate-360 {
  animation: rotate360 2s linear infinite;
}

/* ============================================
   WAVE ANIMATION
   ============================================ */
@keyframes wave {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.wave-effect {
  position: relative;
  overflow: hidden;
}

.wave-effect::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: wave 2s infinite;
}

/* ============================================
   HOVER LIFT EFFECT
   ============================================ */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ============================================
   BREATH ANIMATION
   ============================================ */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

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

/* ============================================
   STAGGER ANIMATIONS
   ============================================ */
.stagger-item {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   SMOOTH SCROLL REVEAL
   ============================================ */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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