/* ==========================================================================
   Photography Page - Immersive Folders
   ========================================================================== */

.photography2-page {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.folders-view {
  min-height: 100vh;
  padding: 80px var(--padding-x) 120px;
  transition: opacity 0.6s ease 0.2s;
}

.folders-view.has-active {
  opacity: 0;
  pointer-events: none;
  transition-delay: 0s;
}

.folders-view.is-closing {
  opacity: 1;
  pointer-events: none;
  transition-delay: 0s;
}

.folders-header {
  text-align: center;
  margin-bottom: 80px;
  opacity: 1;
  transform: none;
}

.folders-title {
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.folders-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.folders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  justify-items: center;
}

.folders-grid>.folder {
  width: 100%;
  max-width: 360px;
}

.folders-grid>.folder:only-child {
  grid-column: 2;
}

@media (max-width: 1024px) {
  .folders-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .folders-grid>.folder:only-child {
    grid-column: 1;
  }
}

@media (max-width: 640px) {
  .folders-grid {
    grid-template-columns: 1fr;
  }
}

.folders-empty {
  text-align: center;
  margin-top: 32px;
  color: var(--text-muted);
}

.folder {
  position: relative;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 1;
  transform: none;
}

.folder:disabled {
  cursor: default;
}

.folder--active {
  z-index: 10;
}

.folder__front {
  position: relative;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.folder:hover:not(:disabled) .folder__front {
  transform: translateY(-8px) scale(1.02);
}

.folder__tab {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 80px;
  height: 24px;
  background: var(--folder-color);
  border-radius: 8px 8px 0 0;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.folder:hover .folder__tab {
  opacity: 1;
}

.folder__body {
  background: var(--card-color);
  border-radius: 12px;
  padding: 24px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease;
}

.folder:hover .folder__body {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.folder__preview {
  flex: 1;
  border-radius: 8px;
  position: relative;
  overflow: visible;
  margin-bottom: 20px;
}

.folder__preview-photo {
  position: absolute;
  width: 55%;
  aspect-ratio: 3 / 2;
  border-radius: 6px;
  object-fit: cover;
  top: 50%;
  left: 50%;
  translate: calc(-50% + var(--stack-x)) calc(-50% + var(--stack-y));
  rotate: var(--stack-rotate);
  scale: var(--stack-scale);
  z-index: calc(4 - var(--photo-index));
  transition: translate 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), rotate 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), scale 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.folder:hover .folder__preview-photo {
  translate: calc(-50% + calc(var(--stack-x) * 1.8)) calc(-50% + calc(var(--stack-y) * 1.5 - 10px));
  rotate: calc(var(--stack-rotate) * 1.5);
  scale: calc(var(--stack-scale) * 1.05);
}

.folder__info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.folder__name {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.folder__count {
  font-size: 13px;
  color: var(--text-muted);
}

/* Immersive Overlay */
.immersive-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.immersive-overlay.opening,
.immersive-overlay.closing {
  pointer-events: auto;
}

.immersive-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-color);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.immersive-overlay.opening::before {
  opacity: 1;
  transition-delay: 0.3s;
}

.immersive-overlay.closing::before {
  opacity: 0;
  transition-delay: 0.4s;
}

/* Flying Photos */
.flying-photos {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
}

.flying-photo {
  position: absolute;
  width: 140px;
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  left: var(--folder-x);
  top: var(--folder-y);
  transform: translate(-50%, -50%) translate(var(--stack-x), var(--stack-y)) rotate(var(--stack-rotate)) scale(var(--stack-scale));
  transition: transform 0.9s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.6s ease, left 0.9s cubic-bezier(0.34, 1.56, 0.64, 1), top 0.9s cubic-bezier(0.34, 1.56, 0.64, 1), width 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-delay: calc(var(--photo-index) * 0.04s);
}

.immersive-overlay.opening .flying-photo {
  left: var(--screen-center-x);
  top: var(--screen-center-y);
  width: min(50vw, 400px);
  transform: translate(-50%, -50%) translate(var(--fly-x), var(--fly-y)) rotate(var(--fly-rotate)) scale(1);
  opacity: 0;
  transition-delay: calc(var(--photo-index) * 0.04s);
}

.immersive-overlay.closing .flying-photo {
  left: var(--folder-x);
  top: var(--folder-y);
  width: 140px;
  transform: translate(-50%, -50%) translate(var(--stack-x), var(--stack-y)) rotate(var(--stack-rotate)) scale(var(--stack-scale));
  opacity: 1;
  transition-delay: calc((var(--total) - var(--photo-index)) * 0.03s);
}

/* Expanding folder outline */
.expanding-folder {
  position: absolute;
  left: var(--folder-x);
  top: var(--folder-y);
  width: var(--folder-width);
  height: var(--folder-height);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.4s ease, transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), left 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), top 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), height 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.immersive-overlay.opening .expanding-folder {
  opacity: 0;
  left: 50%;
  top: 50%;
  width: 120vw;
  height: 120vh;
  transition-delay: 0.1s;
}

.immersive-overlay.closing .expanding-folder {
  opacity: 1;
  left: var(--folder-x);
  top: var(--folder-y);
  width: var(--folder-width);
  height: var(--folder-height);
  transition-delay: 0.3s;
}

.expanding-folder__tab {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 80px;
  height: 24px;
  background: var(--folder-color);
  border-radius: 8px 8px 0 0;
}

.expanding-folder__body {
  width: 100%;
  height: 100%;
  background: var(--card-color);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* GSAP Scroll-Driven Slider */
.gsap-scroll-container {
  width: 100%;
  position: relative;
  background: var(--bg-color);
}

.gsap-scroll-container.closing {
  pointer-events: none;
}

.active-slide-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  opacity: 0.4;
  background: #000;
}

.gsap-scroll-container.closing .active-slide-bg {
  opacity: 0.4;
}

.bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: blur(60px) saturate(1.2);
  transform: scale(1.2);
  opacity: 0;
}

/* Fixed slider with 3D perspective */
.gsap-slider {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  transform-style: preserve-3d;
  perspective: 800px;
  overflow: hidden;
  z-index: 10;
}

.gsap-scroll-container.closing .gsap-slider {
  opacity: 1;
}

/* Individual slides */
.gsap-slide {
  position: absolute;
  top: 50%;
  width: 380px;
  overflow: hidden;
  opacity: 0;
  will-change: transform, opacity;
}

.gsap-slide__copy {
  text-align: center;
  margin-bottom: 16px;
}

.gsap-slide__title {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--folder-color);
  margin-bottom: 6px;
  line-height: 1.4;
}

.gsap-slide__index {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #fff;
  mix-blend-mode: difference;
}

.gsap-slide__img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.gsap-slide__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* GSAP Header */
.gsap-header {
  position: fixed;
  bottom: 48px;
  left: var(--padding-x);
  right: var(--padding-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.gsap-scroll-container.closing .gsap-header {
  opacity: 1;
}

.gsap-header__title {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  mix-blend-mode: difference;
}

.gsap-header__close {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--ring-color);
  background: var(--bg-color);
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.gsap-header__close:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: rotate(90deg);
  background: var(--card-color);
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 0.8s ease 1s forwards;
  mix-blend-mode: difference;
  color: #fff;
  position: static;
  transform: none;
}

.scroll-indicator span {
  font-size: 14px !important;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate(-50%, -20px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.gsap-scroll-container.closing .scroll-indicator {
  opacity: 0 !important;
  animation: none;
}

@media (max-width: 768px) {
  .folders-view {
    padding: 60px var(--padding-x) 80px;
  }

  .folders-header {
    margin-bottom: 48px;
  }

  .folders-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .folder__body {
    min-height: 280px;
  }

  .folder__preview-photo {
    width: 50%;
  }

  .flying-photo {
    width: 100px;
  }

  .immersive-overlay.opening .flying-photo {
    width: min(70vw, 300px);
  }

  .gsap-slide {
    width: 280px;
  }

  .gsap-slider {
    perspective: 600px;
  }

  .gsap-header {
    bottom: 32px;
  }

  .scroll-indicator {
    bottom: 32px;
  }
}

@media (max-width: 480px) {
  .folder__body {
    min-height: 240px;
    padding: 16px;
  }

  .folder__tab {
    width: 60px;
    height: 20px;
    top: -14px;
    left: 16px;
  }

  .gsap-slide {
    width: 240px;
  }

  .gsap-slide__title {
    font-size: 12px;
  }

  .gsap-slide__index {
    font-size: 10px;
  }
}