/* ========================================
   SocialPanda - Animations Stylesheet
   ======================================== */

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

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

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In Down */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  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(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Pulse */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

/* Slide In From Right */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Line Draw */
@keyframes lineDraw {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* ========================================
   SCROLL REVEAL CLASSES
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 600ms var(--transition-smooth),
              transform 600ms var(--transition-smooth);
  will-change: opacity, transform;
}

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

/* Reveal Variants */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 600ms var(--transition-smooth),
              transform 600ms var(--transition-smooth);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 600ms var(--transition-smooth),
              transform 600ms var(--transition-smooth);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 600ms var(--transition-smooth),
              transform 600ms var(--transition-smooth);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 600ms var(--transition-smooth),
              transform 600ms var(--transition-smooth);
}

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

/* ========================================
   STAGGER DELAYS
   ======================================== */

.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 80ms; }
.stagger-3 { transition-delay: 160ms; }
.stagger-4 { transition-delay: 240ms; }
.stagger-5 { transition-delay: 320ms; }
.stagger-6 { transition-delay: 400ms; }
.stagger-7 { transition-delay: 480ms; }
.stagger-8 { transition-delay: 560ms; }

/* ========================================
   FLOATING ELEMENTS
   ======================================== */

.float {
  animation: float 4s ease-in-out infinite;
}

.float-delay-1 {
  animation-delay: 0.5s;
}

.float-delay-2 {
  animation-delay: 1s;
}

.float-delay-3 {
  animation-delay: 1.5s;
}

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

.page-load-fade {
  animation: fadeIn 800ms var(--transition-smooth) forwards;
}

.page-load-fade-up {
  opacity: 0;
  animation: fadeInUp 800ms var(--transition-smooth) forwards;
}

.page-load-scale {
  opacity: 0;
  animation: scaleIn 800ms var(--transition-smooth) forwards;
}

/* Staggered Page Load */
.page-load-stagger-1 { animation-delay: 0ms; }
.page-load-stagger-2 { animation-delay: 100ms; }
.page-load-stagger-3 { animation-delay: 200ms; }
.page-load-stagger-4 { animation-delay: 300ms; }
.page-load-stagger-5 { animation-delay: 400ms; }

/* ========================================
   HOVER ANIMATIONS
   ======================================== */

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

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

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 24px rgba(var(--accent-rgb), 0.26);
}

/* ========================================
   UNDERLINE ANIMATION
   ======================================== */

.animated-underline {
  position: relative;
}

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

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

/* ========================================
   PROCESS LINE ANIMATION
   ======================================== */

.process-line {
  position: relative;
  overflow: hidden;
}

.process-line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary-accent), var(--accent-hover));
  transition: width 1s var(--transition-smooth);
}

.process-line.visible::before {
  width: 100%;
}

/* ========================================
   COUNTER ANIMATION
   ======================================== */

.counter {
  font-variant-numeric: tabular-nums;
}

/* ========================================
   SPINNER / LOADING
   ======================================== */

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ========================================
   SKELETON LOADING
   ======================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--soft-blue) 0%,
    var(--surface-muted) 50%,
    var(--soft-blue) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-up,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
  
  .float,
  .pulse,
  .bounce {
    animation: none;
  }
  
  .page-load-fade,
  .page-load-fade-up,
  .page-load-scale {
    opacity: 1;
    animation: none;
  }
}