/* Advanced Animations and Interactions */

/* Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(37, 99, 235, 0.3);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* Enhanced Hover Effects */
.hover-lift {
  transition: var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.hover-glow {
  position: relative;
  overflow: hidden;
}

.hover-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

.hover-glow:hover::before {
  left: 100%;
}

/* Floating Animation */
.floating {
  animation: floating 3s ease-in-out infinite;
}

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

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

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

/* Typewriter Effect */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--primary-color);
  white-space: nowrap;
  margin: 0 auto;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

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

/* Slide In Animations */
.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.slide-in-up {
  animation: slideInUp 0.8s ease-out;
}

.slide-in-down {
  animation: slideInDown 0.8s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade Animations */
.fade-in {
  animation: fadeIn 1s ease-out;
}

.fade-in-up {
  animation: fadeInUp 1s ease-out;
}

.fade-in-down {
  animation: fadeInDown 1s ease-out;
}

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

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

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

/* Scale Animations */
.scale-in {
  animation: scaleIn 0.6s ease-out;
}

.scale-in-center {
  animation: scaleInCenter 0.6s ease-out;
}

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

@keyframes scaleInCenter {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Rotate Animations */
.rotate-in {
  animation: rotateIn 0.8s ease-out;
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg);
  }
  to {
    opacity: 1;
    transform: rotate(0deg);
  }
}

/* Bounce Animations */
.bounce-in {
  animation: bounceIn 1s ease-out;
}

@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);
  }
}

/* Stagger Animation */
.stagger-animation > * {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

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

/* Parallax Elements */
.parallax-element {
  will-change: transform;
}

/* Smooth Reveal */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease;
}

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

/* Interactive Button Effects */
.btn-modern {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border: none;
  border-radius: var(--radius-lg);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-normal);
  cursor: pointer;
}

.btn-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-slow);
}

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

.btn-modern:hover::before {
  left: 100%;
}

.btn-modern:active {
  transform: translateY(0);
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Text Animations */
.text-focus-in {
  animation: textFocusIn 1s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
}

@keyframes textFocusIn {
  0% {
    filter: blur(12px);
    opacity: 0;
  }
  100% {
    filter: blur(0px);
    opacity: 1;
  }
}

.text-shadow-pop-top {
  animation: textShadowPopTop 0.6s cubic-bezier(0.470, 0.000, 0.745, 0.715) both;
}

@keyframes textShadowPopTop {
  0% {
    text-shadow: 0 0 #555555, 0 0 #555555, 0 0 #555555, 0 0 #555555;
    transform: translateY(0);
  }
  100% {
    text-shadow: 0 -1px #555555, 0 -2px #555555, 0 -3px #555555, 0 -4px #555555;
    transform: translateY(-8px);
  }
}

/* Scroll-triggered animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* Responsive Animations */
@media (max-width: 768px) {
  .typewriter {
    animation: typing 2s steps(30, end), blink-caret 0.75s step-end infinite;
  }
  
  .hover-lift:hover {
    transform: translateY(-4px);
  }
  
  .btn-modern:hover {
    transform: translateY(-1px);
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .parallax-element {
    transform: none !important;
  }
}