/* ============================================
   VRS — Animations & Transitions
   ============================================ */

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Fade In */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-out forwards;
}

/* Slide In Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.5s ease-out forwards;
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-in {
  animation: scaleIn 0.4s ease-out forwards;
}

/* Counter Animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Shimmer Effect */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-elevated) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* Glow Pulse */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(201, 168, 76, 0.1); }
  50% { box-shadow: 0 0 40px rgba(201, 168, 76, 0.2); }
}

.glow-pulse {
  animation: glowPulse 3s ease-in-out infinite;
}

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

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

/* Rotate */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.rotate {
  animation: rotate 20s linear infinite;
}

/* Stagger Children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s ease-out forwards;
}

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

/* Hover Lift */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Link Underline Animation */
.link-underline {
  position: relative;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-primary);
  transition: width var(--transition-base);
}

.link-underline:hover::after {
  width: 100%;
}

/* Image Zoom on Hover */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

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

/* Border Glow on Hover */
.border-glow {
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.border-glow:hover {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(201, 168, 76, 0.1);
}

/* Text Reveal Animation */
.text-reveal {
  overflow: hidden;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  animation: textReveal 0.6s ease-out forwards;
}

@keyframes textReveal {
  to { transform: translateY(0); }
}

/* Progress Bar Animation */
@keyframes progressFill {
  from { width: 0; }
}

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

/* Skeleton Loading */
@keyframes skeleton {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-elevated) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius-md);
}

/* Modal Backdrop */
@keyframes backdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.backdrop-in {
  animation: backdropIn 0.3s ease-out forwards;
}

/* Modal Content */
@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-in {
  animation: modalIn 0.3s ease-out forwards;
}

/* Scroll Indicator */
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}

/* Typing Cursor */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.typing-cursor::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--color-accent-primary);
}

/* Particle Float */
@keyframes particleFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 0.3;
  }
  25% {
    transform: translate(10px, -20px) rotate(90deg);
    opacity: 0.6;
  }
  50% {
    transform: translate(-5px, -40px) rotate(180deg);
    opacity: 0.3;
  }
  75% {
    transform: translate(-15px, -20px) rotate(270deg);
    opacity: 0.6;
  }
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: particleFloat 8s ease-in-out infinite;
}

/* Entrance Animation Classes */
.entrance-fade {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.entrance-fade.visible {
  opacity: 1;
}

.entrance-slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.entrance-slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.entrance-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.entrance-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.entrance-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.entrance-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.entrance-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.entrance-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Delay utilities */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }