/* Shared case-study (modal) styles. Loaded by index.html and projects.html. */

.case-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.2rem;
}

.case-left-column {
  position: sticky;
  top: 0;
  align-self: start;
}

.case-info-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.case-info-toggle {
  display: none;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0;
  cursor: pointer;
}

.case-info-body {
  margin-top: 0.35rem;
}

.case-back {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--muted);
}

.case-hero-meta h2 {
  margin: 0.4rem 0 0.4rem;
  font-size: clamp(1.4rem, 2vw, 1.9rem);
}

.case-left-column h2.heading-display {
  font-size: clamp(1.65rem, 2.6vw, 2.35rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.01em;
}

.case-hero-meta p {
  margin: 0.15rem 0;
}

.case-description {
  margin: clamp(1.25rem, 3vw, 1.85rem) 0 0;
  line-height: 1.7;
  font-size: 0.92rem;
  color: var(--text-soft);
  white-space: pre-line;
}

.case-info-body > p:not(.case-description) {
  color: var(--text);
}

.case-info-bar {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.3rem;
}

.case-info-bar p {
  margin: 0;
  font-size: 0.82rem;
}

.case-info-bar strong {
  margin-right: 0.3rem;
  color: var(--label-fg);
  font-weight: 600;
}

.next-project-btn {
  margin-top: 0.9rem;
  appearance: none;
  border: 1px solid var(--line);
  background: var(--control-active-bg);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.35s ease, border-color 0.35s ease;
}

.next-project-btn:hover {
  background: var(--arrow-hover-bg);
  border-color: var(--accent-bright);
}

/* Case study modal overlay */
body.case-open {
  overflow: hidden;
}

.case-study {
  position: fixed;
  inset: 0;
  z-index: 70;
  padding: clamp(0.8rem, 2.2vw, 1.6rem);
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: grid;
  place-items: center;
}

.case-panel {
  width: min(1220px, 100%);
  max-height: calc(100vh - 2rem);
  overflow: auto;
  background: var(--modal-surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1rem 1.2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--modal-shadow);
}

.case-panel::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.case-slider-wrap {
  display: grid;
  grid-template-columns: 1fr;
  min-height: min(86vh, 920px);
  position: relative;
  border-radius: 0;
  overflow: hidden;
}

.case-slide-arrow {
  position: absolute;
  top: 50%;
  z-index: 40;
  width: 46px;
  height: 46px;
  margin: 0;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--arrow-bg);
  color: var(--text);
  cursor: pointer;
  transform: translateY(-50%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
}

.case-slide-arrow:hover:not(:disabled) {
  background: var(--arrow-hover-bg);
  border-color: var(--accent-bright);
}

.case-slide-arrow:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}

.case-slide-arrow:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.case-slide-arrow--prev {
  left: clamp(0.45rem, 1.8vw, 0.85rem);
}

.case-slide-arrow--next {
  right: clamp(0.45rem, 1.8vw, 0.85rem);
}

.case-slide-track {
  position: relative;
  height: min(90vh, 960px);
  background: radial-gradient(120% 110% at 50% 18%, var(--case-bg-start) 0%, var(--case-bg-end) 100%);
  overflow: hidden;
  display: grid;
  place-items: center;
  touch-action: pan-y;
  transition: background 0.5s ease;
}

.case-stack-card {
  position: absolute;
  inset: 0;
  margin: auto;
  width: clamp(300px, 52vw, 640px);
  max-height: min(82vh, 880px);
  aspect-ratio: 3 / 4;
  transform: translate3d(calc(var(--card-x, 0px) + var(--drag-x, 0px)), 0, 0)
    perspective(1300px)
    scale(var(--card-scale, 1)) rotateY(var(--card-ry, 0deg)) rotate(var(--drag-rot, 0deg));
  opacity: var(--card-opacity);
  z-index: var(--card-z, 1);
  transition: transform 0.5s ease, opacity 0.5s ease, filter 0.5s ease;
  filter: blur(var(--card-blur, 0px));
  pointer-events: none;
  will-change: transform, opacity;
  backface-visibility: hidden;
  transform-origin: center center;
  contain: layout paint style;
  user-select: none;
  border-radius: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
}

.case-slide-track.no-motion .case-stack-card {
  transition: none !important;
}

.case-stack-card.is-top {
  z-index: 30;
  pointer-events: auto;
  cursor: grab;
  transform: translate3d(var(--drag-x, 0px), 0, 0) perspective(1300px)
    scale(1) rotateY(0deg) rotate(var(--drag-rot, 0deg));
}

.case-stack-card.is-top.dragging {
  cursor: grabbing;
}

.case-stack-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(var(--img-parallax-x, 0px), var(--img-parallax-y, 0px), 0) scale(1.02);
  transition: transform 0.45s var(--ease-reveal);
  pointer-events: none;
  -webkit-user-drag: none;
}

.case-stack-card.is-top.dragging img {
  transition-duration: 0.12s;
}

@media (prefers-reduced-motion: reduce) {
  .case-stack-card img {
    transform: none !important;
    transition: none;
  }
}

@media (max-width: 960px) {
  .case-layout {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .case-left-column {
    position: static;
  }

  .case-panel {
    max-height: calc(100vh - 1rem);
  }

  .case-slider-wrap {
    min-height: auto;
  }

  .case-slide-track {
    height: min(74vh, 720px);
  }

  .case-stack-card {
    width: clamp(260px, 58vw, 520px);
    max-height: min(72vh, 760px);
  }
}

@media (max-width: 768px) {
  .case-study {
    padding: 0.35rem;
    backdrop-filter: none;
  }

  .case-panel {
    width: 100%;
    max-height: calc(100dvh - 0.7rem);
    border-radius: 10px;
    padding: 0.75rem;
    overflow: hidden;
  }

  .case-layout {
    gap: 0.65rem;
  }

  .case-right-column {
    position: relative;
    z-index: 2;
  }

  .case-left-column {
    position: static;
    z-index: auto;
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
  }

  .case-info-head {
    margin-bottom: 0.2rem;
  }

  .case-info-toggle {
    display: inline-flex;
  }

  .case-left-column h2 {
    font-size: 1.05rem;
    margin: 0.1rem 0;
  }

  .case-info-body {
    margin-top: 0.25rem;
    max-height: 32dvh;
    overflow: auto;
    padding-right: 0.1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .case-info-body::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  .case-description {
    margin-top: 0.4rem;
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .case-study.mobile-info-collapsed .case-info-body {
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    padding-right: 0;
  }

  .case-study.mobile-info-collapsed .case-info-body > :not(.next-project-btn) {
    display: none;
  }

  .case-study.mobile-info-collapsed .next-project-btn {
    margin-top: 0.1rem;
  }

  .case-slider-wrap {
    min-height: 68dvh;
  }

  .case-slide-track {
    height: clamp(400px, 68dvh, 680px);
    touch-action: none;
  }

  .case-stack-card {
    width: clamp(240px, 82vw, 480px);
    max-width: 96%;
    max-height: min(64dvh, 620px);
    --card-blur: 0px !important;
  }

  .case-slide-arrow {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .case-panel {
    padding: 0.62rem;
  }

  .case-slider-wrap {
    min-height: 62dvh;
  }

  .case-slide-track {
    height: clamp(360px, 62dvh, 580px);
  }

  .case-stack-card {
    width: clamp(220px, 88vw, 440px);
    max-height: min(58dvh, 540px);
  }

  .next-project-btn {
    padding: 0.45rem 0.75rem;
    font-size: 0.7rem;
  }
}

/* Project detail page style inspired by soup.work layout */
body.case-open {
  overflow: auto;
}

.case-study {
  position: relative;
  inset: auto;
  z-index: 10;
  padding: clamp(2rem, 6vw, 4rem) 0 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  display: block;
}

.case-panel {
  width: 100%;
  max-height: none;
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.case-layout {
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: clamp(1.1rem, 3vw, 2rem);
  align-items: start;
}

.case-left-column {
  position: sticky;
  top: 92px;
}

.case-right-column {
  min-width: 0;
}

.case-slide-counter {
  margin: 0;
  color: var(--label-fg);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.case-slider-wrap {
  min-height: auto;
  border-radius: 0;
  overflow: visible;
}

.case-slide-track {
  height: 100%;
  background: transparent;
  overflow-x: auto;
  overflow-y: hidden;
  display: flex;
  flex-direction: row;
  gap: 0;
  touch-action: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
}

.case-image-item {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  height: 100%;
  min-height: 100%;
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  display: grid;
  place-items: center;
  background: transparent;
  scroll-snap-align: start;
}

.case-slide-picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.case-image-item img,
.case-image-item video.case-slide-media,
.case-image-item iframe.case-slide-media--embed {
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center center;
  aspect-ratio: auto !important;
  background: transparent;
  transform: none !important;
  border: 0;
  opacity: 0;
  transition: opacity 0.32s ease;
}

.case-image-item.is-loaded img,
.case-image-item.is-loaded video.case-slide-media,
.case-image-item.is-loaded iframe.case-slide-media--embed,
.case-image-item.is-loaded .case-slide-picture,
.case-image-item.is-loaded a.case-slide-media--youtube {
  opacity: 1;
}

/* The picture/anchor wrappers also need the fade so the inner img isn't
   visible while the parent wrapper is still 0-opacity */
.case-image-item .case-slide-picture,
.case-image-item a.case-slide-media--youtube {
  opacity: 0;
  transition: opacity 0.32s ease;
}

/* Errored slides: keep the SVG fallback visible, hide the broken element */
.case-image-item.is-error img,
.case-image-item.is-error video.case-slide-media,
.case-image-item.is-error iframe.case-slide-media--embed,
.case-image-item.is-error .case-slide-picture,
.case-image-item.is-error a.case-slide-media--youtube {
  opacity: 0;
  visibility: hidden;
}

.case-image-item--media-cover img,
.case-image-item--media-cover video.case-slide-media,
.case-image-item--media-cover iframe.case-slide-media--embed {
  object-fit: cover !important;
}

.case-image-item--media-cover .case-slide-youtube-poster img {
  object-fit: cover !important;
}

.case-image-item--media-cover-vertical img,
.case-image-item--media-cover-vertical video.case-slide-media,
.case-image-item--media-cover-vertical iframe.case-slide-media--embed {
  width: auto !important;
  height: 100% !important;
  max-width: none !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center top !important;
}

.case-image-item--media-cover-vertical .case-slide-youtube-poster img {
  width: auto !important;
  height: 100% !important;
  max-width: none !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center top !important;
}

#caseStudyView .case-image-item--media-cover-vertical img,
#caseStudyView .case-image-item--media-cover-vertical video.case-slide-media,
#caseStudyView .case-image-item--media-cover-vertical iframe.case-slide-media--embed {
  width: auto !important;
  height: 100% !important;
  max-width: none !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center top !important;
}

/* Portrait MP4: Green Farm only; portfolio.js toggles .case-image-item--portrait-video. */
.case-image-item--portrait-video video.case-slide-media,
#caseStudyView .case-image-item--portrait-video video.case-slide-media {
  width: auto !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center center !important;
}

.case-image-caption {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  max-width: min(92%, 840px);
  margin: 0;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.56);
  color: #fff;
  font-size: 0.9rem;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0.01em;
  pointer-events: none;
  z-index: 2;
}

.case-image-item a.case-slide-media--youtube {
  display: flex !important;
  align-items: stretch;
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  min-height: 0;
  text-decoration: none;
  color: inherit;
  outline: none;
  background: transparent;
  transform: none !important;
}

.case-slide-youtube-poster {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  background: color-mix(in srgb, var(--text) 8%, transparent);
}

.case-slide-youtube-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover !important;
  object-position: center;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.case-slide-youtube-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.32);
  transition: background 0.2s ease;
  pointer-events: none;
}

a.case-slide-media--youtube:hover .case-slide-youtube-play,
a.case-slide-media--youtube:focus-visible .case-slide-youtube-play {
  background: rgba(0, 0, 0, 0.42);
}

.case-slide-youtube-play::after {
  content: "";
  width: clamp(48px, 10vw, 68px);
  height: clamp(48px, 10vw, 68px);
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.92);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%231a1a1a' d='M9.5 7.5v9l7.5-4.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 54% 50%;
  background-size: 46% 46%;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.28);
}

/* Keep project detail images fully visible inside the frame */
#caseStudyView .case-slider-wrap {
  height: calc(100dvh - 7rem);
}

#caseStudyView .case-slide-track {
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
}

#caseStudyView .case-image-item {
  height: 100%;
  min-height: 100%;
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  padding: 0;
}

#caseStudyView .case-image-item img,
#caseStudyView .case-slide-picture,
#caseStudyView .case-image-item video.case-slide-media,
#caseStudyView .case-image-item iframe.case-slide-media--embed {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center center !important;
}

#caseStudyView .case-image-item a.case-slide-media--youtube {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
}

.case-slide-arrow {
  display: none !important;
}

@media (max-width: 768px) {
  .case-image-item {
    height: 100%;
    min-height: 100%;
    flex: 0 0 100%;
  }

  .case-image-item img,
  .case-slide-picture,
  .case-image-item video.case-slide-media,
  .case-image-item iframe.case-slide-media--embed {
    width: 100% !important;
    height: 100% !important;
  }

  .case-image-item a.case-slide-media--youtube {
    width: 100% !important;
    height: 100% !important;
  }

  .case-image-caption {
    bottom: 0.75rem;
    font-size: 0.82rem;
    padding: 0.4rem 0.7rem;
  }

  #caseStudyView .case-slider-wrap {
    height: calc(100dvh - 6rem);
  }
}

@media (max-width: 480px) {
  #caseStudyView .case-slider-wrap {
    height: calc(100dvh - 5.5rem);
  }
}