/* ============================================================
   Work detail page — editorial product layout (serotoninn style)
   ============================================================ */

.detail {
  padding: 96px 3vw 90px;
}

/* ---------------- Breadcrumb ---------------- */

.crumb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.crumb a { color: var(--muted); transition: color 0.3s ease; }
.crumb a:hover { color: var(--acid); }

.crumb i {
  font-style: normal;
  color: #3d3d3d;
  padding: 0 6px;
}

.crumb-drop {
  color: var(--acid);
  white-space: nowrap;
}

/* ---------------- Gallery + info ---------------- */

.detail-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(30px, 5vw, 84px);
  margin-top: 48px;
  align-items: start;
}

.gallery {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.gallery-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #0d0d0d;
  border: 1px solid rgba(242, 240, 234, 0.1);
}

.gallery-main img {
  display: block;
  width: auto;
  height: 100%;
  max-width: 100%;
  transition: opacity 0.18s ease;
}

.gallery-main img.swap { opacity: 0; }

.gallery-thumbs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 0 0 64px;
  width: 64px;
}

.gallery-thumbs button {
  width: 100%;
  padding: 0;
  border: 1px solid transparent;
  background: #121212;
  cursor: pointer;
  overflow: hidden;
}

.gallery-thumbs img {
  display: block;
  width: 100%;
  aspect-ratio: 0.75;
  object-fit: cover;
  opacity: 0.65;
  transition: opacity 0.3s ease, transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.gallery-thumbs button:hover img { opacity: 1; transform: scale(1.04); }
.gallery-thumbs button.active { border-color: var(--acid); }
.gallery-thumbs button.active img { opacity: 1; }

.info-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: 18px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
}

.info-title .t-cn {
  font-size: 40px;
  font-weight: 700;
}

.info-title .t-en {
  font-size: 20px;
  font-weight: 700;
}

.info-desc {
  margin-top: 26px;
  max-width: 54ch;
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.05em;
  color: #c9c9c3;
}

.info-desc em {
  color: var(--acid);
  font-size: 1.06em;
}

.info-rows {
  margin-top: 34px;
  border-top: 1px solid var(--hair);
}

.row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 15px 2px;
  border-bottom: 1px solid var(--hair);
}

.row dt {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.row dd {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.row dd.blue { color: var(--acid); }

.info-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 22px;
  border: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.pager {
  display: flex;
  gap: 10px;
}

.pager-btn {
  padding: 12px 18px;
  border: 1px solid var(--hair);
  background: transparent;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.3s ease;
}

.pager-btn:hover {
  color: var(--acid);
  border-color: var(--acid);
}

/* ---------------- Design details ---------------- */

.dd {
  display: none;
  margin-top: 110px;
}

.dd .sec-title,
.more .sec-title {
  font-family: var(--disp);
  font-size: clamp(16px, 3.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.dd.show {
  display: block;
}

.dd-list {
  border-bottom: 1px solid var(--hair);
}

.dd-item {
  margin: 0;
  padding-bottom: 42px;
  border-top: 1px solid var(--hair);
}

.dd-item img {
  display: block;
  width: 100%;
  height: auto;
  background: #111;
}

.dd-cap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 2px 0;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.dd-cap .idx {
  color: var(--acid);
}

/* Video item inside Design Details */
.dd-video-wrap {
  position: relative;
  background: #000;
}

.dd-video-wrap video {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
}

.dd-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.dd-play span {
  padding: 14px 26px;
  border: 1px solid rgba(242, 240, 234, 0.45);
  background: rgba(10, 10, 10, 0.6);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  transition: all 0.3s ease;
}

.dd-play:hover span {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.dd-play.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Autoplay video row (work 02) */
.dd-videos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 10px;
  border-top: 1px solid var(--hair);
  padding-top: 28px;
}

.dd-video-item {
  margin: 0;
}

.dd-video-item video,
.dd-video-item img {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
}

.dd-video-item:nth-child(3) {
  position: relative;
  z-index: 2;
}

.dd-video-item:nth-child(3) video,
.dd-video-item:nth-child(3) img {
  transform: scale(1.08);
  transform-origin: center;
}

/* ---------------- Flipbook ---------------- */

.dd-book {
  position: relative;
  margin-top: 42px;
}

.book-group {
  position: relative;
  width: 60%;
  margin: 0 auto;
}

.book-label {
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
  text-align: center;
}

.book-ecom {
  margin: 44px 0 0;
}

.book-ecom-cap {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.book-ecom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.book-ecom-row img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 0.748;
  object-fit: cover;
  border: 1px solid rgba(242, 240, 234, 0.1);
  background: #0d0d0d;
}

/* ---------------- Model photos carousel grid ---------------- */

.book-model {
  margin: 44px 0 0;
}

.book-product {
  margin: 44px 0 0;
}

.book-model-cap {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.model-label {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acid);
  margin-bottom: 10px;
}

.model-media {
  position: relative;
  overflow: hidden;
  background: #0d0d0d;
  border: 1px solid rgba(242, 240, 234, 0.1);
  aspect-ratio: 0.75;
}

.model-media.square {
  aspect-ratio: 1;
}

.model-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.model-track img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: 1px solid rgba(242, 240, 234, 0.25);
  background: rgba(10, 10, 10, 0.55);
  color: var(--ink);
  font-size: 12px;
  cursor: pointer;
  z-index: 2;
  transition: all 0.3s ease;
}

.model-btn:hover {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.model-prev { left: 8px; }
.model-next { right: 8px; }

.model-count {
  position: absolute;
  right: 10px;
  bottom: 8px;
  z-index: 2;
  padding: 3px 7px;
  background: rgba(10, 10, 10, 0.55);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.book-viewport {
  perspective: 2400px;
  cursor: pointer;
}

.book-spread {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 72.15%;
  transform-style: preserve-3d;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55);
}

.under {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: #0d0d0d;
  border: 1px solid rgba(242, 240, 234, 0.1);
  overflow: hidden;
  opacity: 0;
  transition: opacity 1.05s cubic-bezier(0.3, 0.1, 0.25, 1);
  z-index: 1;
}

.under-left {
  left: 0;
}

.under-right {
  right: 0;
}

.under img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.leaf {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  z-index: 2;
  transform-style: preserve-3d;
  transition: transform 1.05s cubic-bezier(0.3, 0.1, 0.25, 1);
  will-change: transform;
}

.leaf.left {
  left: 0;
  transform-origin: right center;
}

.leaf.right {
  right: 0;
  transform-origin: left center;
}

.page {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: #0d0d0d;
  border: 1px solid rgba(242, 240, 234, 0.1);
  overflow: hidden;
}

.page.back {
  transform: rotateY(180deg);
  opacity: 0;
  transition: opacity 1.05s cubic-bezier(0.3, 0.1, 0.25, 1);
}

.page img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 26px;
}

.book-btn {
  width: 46px;
  height: 46px;
  border: 1px solid var(--hair);
  background: transparent;
  color: var(--ink);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.book-btn:hover {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.book-btn:disabled {
  opacity: 0.28;
  cursor: default;
}

.book-btn:disabled:hover {
  background: transparent;
  color: var(--ink);
  border-color: var(--hair);
}

.book-counter {
  min-width: 86px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--acid);
}

.book-jump {
  position: absolute;
  right: 0;
  bottom: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.book-jump-select {
  background: #0a0a0a;
  color: var(--acid);
  border: 1px solid var(--hair);
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  cursor: pointer;
}

.book-jump-select:focus {
  outline: none;
  border-color: var(--acid);
}

/* ---------------- iPhone mockup (work 06) ---------------- */

.dd-phone {
  margin-top: 42px;
}

.phone-label {
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.phone-mock {
  position: relative;
  width: clamp(220px, 24vw, 330px);
  margin: 0 auto;
  aspect-ratio: 800 / 1289;
}

.phone-base {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.phone-screen {
  position: absolute;
  left: 16.34%;
  top: 6.66%;
  width: 66.99%;
  height: 87.86%;
  overflow: hidden;
  background: #000;
  /* Round corners to match the phone screen cutout (mask-image removed:
     a failed mask can make the whole layer invisible in some browsers) */
  border-radius: 6% 6% 6% 6% / 4.5% 4.5% 4.5% 4.5%;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.phone-screen.dragging {
  cursor: grabbing;
}

.phone-long {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
  user-select: none;
}

.phone-stack {
  will-change: transform;
}

.phone-hint {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.phone-hint .hint-cn {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: none;
}

/* Product gallery grid below the phone (work 06) */
.dd-phone-grid {
  margin-top: 34px;
}

.phone-grid-label {
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.g6-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 720px;
  margin: 0 auto;
}

.g6-cell {
  position: relative;
  margin: 0;
  overflow: hidden;
  cursor: zoom-in;
  background: #0d0d0d;
}

.g6-cell.square .g6-img {
  aspect-ratio: 1 / 1;
}

.g6-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.g6-cell:hover .g6-img {
  transform: scale(1.03);
}

.g6-photo {
  position: relative;
  max-width: 720px;
  margin: 14px auto 0;
}

.g6-photo img {
  display: block;
  width: 100%;
  height: auto;
}

.g6-photo .g6-gif {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  height: auto;
  pointer-events: none;
}

/* ---------------- More from the series ---------------- */

.more {
  margin-top: 110px;
}

/* ---------------- Pinned fan carousel (work 05) ---------------- */

.detail-grid.poster-page {
  grid-template-columns: 1fr;
}

.poster-scroll {
  position: relative;
  height: 220vh; /* scroll room after the fan sweep, then page continues */
}

.poster-scroll-sticky {
  position: sticky;
  top: 54px;
  height: calc(100vh - 54px);
  overflow: hidden;
  z-index: 30;
}

.poster-scroll-stage {
  position: absolute;
  inset: 0;
}

.fan-card {
  position: absolute;
  left: 50%;
  bottom: 16vh;
  padding: 0;
  border: none;
  background: #0d0d0d;
  cursor: zoom-in;
  overflow: hidden;
  transform-origin: 50% 100%;
  will-change: transform;
}

.fan-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.fan-card:hover {
  z-index: 30 !important;
  filter: brightness(1.08);
}

.fan-cap {
  position: absolute;
  left: 50%;
  bottom: 8vh;
  transform: translateX(-50%);
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  pointer-events: none;
  white-space: nowrap;
}

/* ---------------- Lightbox (work 05) ---------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 5, 0.96);
  cursor: zoom-out;
}

.lightbox.longbox {
  overflow-y: auto;
  align-items: flex-start;
  padding: 56px 0;
}

.longbox-stack {
  width: min(420px, 88vw);
  margin: 0 auto;
}

.longbox-stack img {
  display: block;
  width: 100%;
  height: auto;
}

.lightbox-img {
  display: block;
  max-width: 86vw;
  max-height: 82vh;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65);
}

.gallery-main.zoomable {
  cursor: zoom-in;
}

.lightbox-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 3vw;
  font-size: 10px;
  letter-spacing: 0.2em;
}

.lightbox-counter {
  color: var(--acid);
}

.lightbox-close {
  padding: 10px 16px;
  border: 1px solid var(--hair);
  background: transparent;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lightbox-close:hover {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border: 1px solid var(--hair);
  background: rgba(10, 10, 10, 0.55);
  color: var(--ink);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2;
}

.lightbox-btn:hover {
  background: var(--acid);
  color: #0a0a0a;
  border-color: var(--acid);
}

.lightbox-prev {
  left: 2.5vw;
}

.lightbox-next {
  right: 2.5vw;
}

.carousel {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  scrollbar-width: none;
  cursor: default;
}

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

.car-card {
  flex: 0 0 140px;
  cursor: pointer;
  user-select: none;
}

.car-media {
  position: relative;
  overflow: hidden;
  background: #121212;
}

.car-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 1;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.car-media img {
  width: 100%;
  aspect-ratio: 0.75;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.car-card:hover .car-media::after {
  opacity: 0;
}

.car-card:hover .car-media img { transform: scale(1.04); }

.car-cap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px 2px 14px;
  border-bottom: 1px solid var(--hair);
}

.car-tag {
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--acid);
}

.car-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color 0.3s ease;
}

.car-card:hover .car-title { color: var(--acid); }

.car-meta {
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .detail { padding-left: 5vw; padding-right: 5vw; }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .crumb .crumb-drop { display: none; }
  .gallery-thumbs { gap: 4px; flex-basis: 56px; width: 56px; }
  .info-actions { flex-direction: column; align-items: stretch; }
  .pager { justify-content: space-between; }
  .btn { text-align: center; }
  .dd { margin-top: 70px; }
  .dd-item { padding-bottom: 28px; }
  .book-jump {
    position: static;
    justify-content: flex-end;
    margin-top: 14px;
  }
  .book-ecom-row { gap: 8px; }
  .model-grid { grid-template-columns: 1fr; }
  .book-product .model-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .dd-videos { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .more { margin-top: 70px; }
  .car-card { flex-basis: 115px; }
}

@media (max-width: 640px) {
  .poster-scroll-sticky {
    top: 50px;
    height: calc(100vh - 50px);
  }
}

@media (max-width: 900px) and (min-width: 641px) {
  .model-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-main img { transition: none; }
  .car-media img { transition: none; }
  .car-media::after { transition: none; }
  .carousel { cursor: default; }
  .leaf { transition: none; }
  .page.back { transition: none; }
  .fan-card { transition: none; }
}