/* ==========================================
   Additional Interactive Styles
   ========================================== */

/* Tab Navigation for Method Comparison */
.method-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.method-tab {
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.method-tab:hover,
.method-tab.active {
  background: var(--primary-gradient);
  border-color: transparent;
  color: white;
}

.method-tab.ours {
  border-color: var(--accent-secondary);
}

.method-tab.ours.active {
  background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
}

/* Interactive Image Comparison Container */
.interactive-demo {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

/* Single Comparison Widget */
.comparison-widget {
  background: var(--dark-card);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.comparison-widget .widget-header {
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.comparison-widget .widget-title {
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.95rem;
}

.comparison-widget .widget-prompt {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
}

.comparison-widget .widget-content {
  padding: 1.5rem;
}

/* Image comparison with slider */
.img-comparison-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  user-select: none;
}

.img-comparison-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-comparison-container .img-top {
  clip-path: inset(0 50% 0 0);
  z-index: 2;
}

.img-comparison-container .slider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: white;
  z-index: 10;
  transform: translateX(-50%);
  pointer-events: none;
}

.img-comparison-container .slider-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 50%;
  z-index: 11;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  font-size: 14px;
  color: var(--dark-bg);
  font-weight: bold;
}

.img-comparison-container .slider-button::before {
  content: '◄►';
  letter-spacing: 2px;
}

.img-comparison-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
}

.img-comparison-labels span {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.img-comparison-labels .label-left {
  background: rgba(255, 107, 107, 0.2);
  color: var(--accent-color);
}

.img-comparison-labels .label-right {
  background: rgba(78, 205, 196, 0.2);
  color: var(--accent-secondary);
}

/* Multi-method comparison strip */
.method-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .method-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.method-strip-item {
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.method-strip-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.method-strip-item:hover img {
  border-color: rgba(255, 255, 255, 0.3);
}

.method-strip-item.active img {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 20px rgba(78, 205, 196, 0.4);
}

.method-strip-item.ours img {
  border-color: var(--accent-secondary);
}

.method-strip-item span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.method-strip-item.ours span {
  color: var(--accent-secondary);
  font-weight: 600;
}

/* Showcase Carousel */
.showcase-carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 1.5rem;
  padding: 1rem 0;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-slide {
  flex: 0 0 auto;
  scroll-snap-align: center;
  width: calc(100% - 4rem);
  max-width: 400px;
}

/* Animated hover reveal cards */
.reveal-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

.reveal-card img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-card .img-hover {
  opacity: 0;
  transform: scale(1.05);
}

.reveal-card:hover .img-default {
  opacity: 0;
  transform: scale(0.95);
}

.reveal-card:hover .img-hover {
  opacity: 1;
  transform: scale(1);
}

.reveal-card .reveal-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  color: white;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.reveal-card:hover .reveal-overlay {
  transform: translateY(0);
}

/* Quick Visual Summary */
.visual-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .visual-summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

.summary-item {
  background: var(--dark-card);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.summary-item:hover {
  transform: translateY(-5px);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-glow);
}

.summary-item .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.summary-item h4 {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.summary-item p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bounce 2s infinite;
}

.scroll-indicator .arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* Loading shimmer effect */
.shimmer {
  background: linear-gradient(90deg, 
    var(--dark-card) 0%, 
    var(--dark-surface) 50%, 
    var(--dark-card) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

/* Notification toast for copy */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary-gradient);
  color: white;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}