/**
 * Interactive Elements CSS
 * Animations, transitions, and micro-interactions for Ethos Institute
 * 
 * Contents:
 * 1. Scroll Reveal Animations
 * 2. Hover Effects
 * 3. Animated Counters
 * 4. Progress Bars
 * 5. Pulsing Animations
 * 6. Floating CTAs
 * 7. Parallax Effects
 * 8. Interactive Cards
 * 9. Typewriter Effects
 */

/* ========================================
   1. SCROLL REVEAL ANIMATIONS
   ======================================== */

/* Base state - hidden */
.scroll-reveal {
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Visible state */
.scroll-reveal.revealed {
  opacity: 1;
}

/* Fade-in animation */
.scroll-reveal.fade-in {
  opacity: 0;
}
.scroll-reveal.fade-in.revealed {
  opacity: 1;
}

/* Slide-up animation */
.scroll-reveal.slide-up {
  opacity: 0;
  transform: translateY(30px);
}
.scroll-reveal.slide-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Slide-down animation */
.scroll-reveal.slide-down {
  opacity: 0;
  transform: translateY(-30px);
}
.scroll-reveal.slide-down.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Slide-left animation */
.scroll-reveal.slide-left {
  opacity: 0;
  transform: translateX(30px);
}
.scroll-reveal.slide-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Slide-right animation */
.scroll-reveal.slide-right {
  opacity: 0;
  transform: translateX(-30px);
}
.scroll-reveal.slide-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale animation */
.scroll-reveal.scale {
  opacity: 0;
  transform: scale(0.9);
}
.scroll-reveal.scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Zoom animation */
.scroll-reveal.zoom {
  opacity: 0;
  transform: scale(1.1);
}
.scroll-reveal.zoom.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children for sequential animations */
.scroll-reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.scroll-reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.scroll-reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.scroll-reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.scroll-reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }

/* ========================================
   2. HOVER EFFECTS
   ======================================== */

/* Base hover card */
.hover-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* Scale effect */
.hover-card.hover-scale:hover {
  transform: scale(1.05);
  z-index: 10;
}

/* Lift effect */
.hover-card.hover-lift {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.hover-card.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
}

/* Glow effect */
.hover-card.hover-glow {
  position: relative;
}
.hover-card.hover-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, #f59e0b, #d97706, #b45309);
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  filter: blur(8px);
}
.hover-card.hover-glow:hover::before {
  opacity: 0.7;
}

/* Tilt effect */
.hover-card.hover-tilt:hover {
  transform: perspective(1000px) rotateX(2deg) rotateY(2deg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Border glow effect */
.hover-card.hover-border {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(45deg, transparent, transparent) border-box;
}
.hover-card.hover-border:hover {
  background: linear-gradient(white, white) padding-box,
              linear-gradient(45deg, #f59e0b, #d97706) border-box;
}

/* ========================================
   3. ANIMATED COUNTERS
   ======================================== */

.animated-counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  transition: all 0.3s ease;
}

.animated-counter.counting {
  color: #f59e0b;
}

/* Counter with emphasis */
.animated-counter-emphasis {
  font-weight: 700;
  font-size: 1.2em;
  color: #1e3a8a;
}

/* ========================================
   4. PROGRESS BARS
   ======================================== */

.progress-bar-container {
  position: relative;
  width: 100%;
  height: 8px;
  background-color: #e5e7eb;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #d97706);
  border-radius: 9999px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
  position: relative;
  overflow: hidden;
}

.progress-bar-fill.animated {
  width: var(--progress-width, 0%);
}

/* Shimmer effect */
.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Progress bar variants */
.progress-bar-gold .progress-bar-fill {
  background: linear-gradient(90deg, #f59e0b, #d97706);
}

.progress-bar-blue .progress-bar-fill {
  background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.progress-bar-green .progress-bar-fill {
  background: linear-gradient(90deg, #10b981, #059669);
}

.progress-bar-navy .progress-bar-fill {
  background: linear-gradient(90deg, #1e40af, #1e3a8a);
}

/* ========================================
   5. PULSING ANIMATIONS
   ======================================== */

.pulsing-icon {
  display: inline-block;
  position: relative;
}

/* Pulse animation */
.pulsing-icon.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* Pulse with ring */
.pulsing-icon.pulse-ring::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.3;
  animation: pulse-ring 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
    opacity: 0;
  }
  100% {
    transform: scale(0.8);
    opacity: 0;
  }
}

/* Bounce animation */
.pulsing-icon.bounce {
  animation: bounce 1s ease-in-out infinite;
}

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

/* Spin animation */
.pulsing-icon.spin {
  animation: spin 3s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   6. FLOATING CTAs
   ======================================== */

.floating-cta {
  position: fixed;
  z-index: 50;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Positions */
.floating-cta.bottom-right {
  bottom: 2rem;
  right: 2rem;
}

.floating-cta.bottom-left {
  bottom: 2rem;
  left: 2rem;
}

.floating-cta.top-right {
  top: 2rem;
  right: 2rem;
}

.floating-cta.top-left {
  top: 2rem;
  left: 2rem;
}

/* Hidden state */
.floating-cta.hidden {
  opacity: 0;
  transform: translateY(100px);
  pointer-events: none;
}

/* Shadow and hover */
.floating-cta {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.floating-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Pulse attention */
.floating-cta.pulse-attention {
  animation: pulse-attention 2s ease-in-out infinite;
}

@keyframes pulse-attention {
  0%, 100% {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  }
  50% {
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.5);
  }
}

/* ========================================
   7. PARALLAX EFFECTS
   ======================================== */

.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
  transform: translateZ(0);
}

/* Parallax speeds */
.parallax-slow {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.parallax-medium {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.parallax-fast {
  transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   8. INTERACTIVE CARDS
   ======================================== */

.interactive-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  position: relative;
}

/* Expandable card */
.interactive-card.expandable {
  cursor: pointer;
}

.interactive-card.expandable .card-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-card.expandable.expanded .card-content {
  max-height: 1000px;
  opacity: 1;
  margin-top: 1rem;
}

/* Flip card */
.interactive-card.flip-card {
  perspective: 1000px;
  min-height: 300px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.interactive-card.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.flip-card-back {
  transform: rotateY(180deg);
}

/* Slide reveal card */
.interactive-card.slide-reveal .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.interactive-card.slide-reveal:hover .card-overlay {
  opacity: 1;
}

.interactive-card.slide-reveal .card-hidden-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  color: white;
}

.interactive-card.slide-reveal:hover .card-hidden-content {
  transform: translateY(0);
}

/* ========================================
   9. TYPEWRITER EFFECTS
   ======================================== */

.typewriter-text {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid currentColor;
  animation: blink-caret 0.75s step-end infinite;
}

.typewriter-text.typing {
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

.typewriter-text.no-cursor {
  border-right: none;
  animation: none;
}

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

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: currentColor;
  }
}

/* ========================================
   10. UTILITY ANIMATIONS
   ======================================== */

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

.fade-in-animation {
  animation: fadeIn 0.5s ease-in;
}

/* Slide in from bottom */
@keyframes slideInBottom {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.slide-in-bottom {
  animation: slideInBottom 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth transitions */
.smooth-transition {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Prevent layout shift during animations */
.prevent-layout-shift {
  will-change: transform;
  transform: translateZ(0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ========================================
   11. RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 768px) {
  /* Reduce animation distances on mobile */
  .scroll-reveal.slide-up {
    transform: translateY(20px);
  }
  
  .scroll-reveal.slide-down {
    transform: translateY(-20px);
  }
  
  .scroll-reveal.slide-left {
    transform: translateX(20px);
  }
  
  .scroll-reveal.slide-right {
    transform: translateX(-20px);
  }
  
  /* Adjust floating CTA position */
  .floating-cta.bottom-right,
  .floating-cta.bottom-left {
    bottom: 1rem;
  }
  
  .floating-cta.bottom-right {
    right: 1rem;
  }
  
  .floating-cta.bottom-left {
    left: 1rem;
  }
  
  /* Disable parallax on mobile */
  .parallax-bg {
    transform: none !important;
  }
}