/* Artwork gallery + slideshow */

.gv-gallery {
  margin: 0;
}

.gv-gallery__grid {
  columns: 2;
  column-gap: 0.85rem;
}

@media (min-width: 700px) {
  .gv-gallery__grid {
    columns: 3;
    column-gap: 1rem;
  }
}

@media (min-width: 1100px) {
  .gv-gallery__grid {
    columns: 4;
  }
}

.gv-gallery__item {
  display: block;
  width: 100%;
  margin: 0 0 0.85rem;
  padding: 0;
  border: 1px solid rgba(212, 180, 90, 0.22);
  border-radius: var(--radius, 0.55rem);
  background: var(--color-ink-soft, #1c1638);
  overflow: hidden;
  cursor: zoom-in;
  break-inside: avoid;
  transition: border-color 0.2s ease, transform 0.25s ease;
}

.gv-gallery__item:hover,
.gv-gallery__item:focus-visible {
  border-color: rgba(212, 180, 90, 0.55);
  transform: translateY(-2px);
  outline: none;
}

.gv-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.gv-lightbox {
  position: fixed;
  inset: 0;
  margin: auto;
  border: 1px solid var(--color-line, rgba(232, 238, 244, 0.12));
  border-radius: var(--radius, 0.55rem);
  padding: 0;
  max-width: min(92vw, 56rem);
  max-height: 90vh;
  width: fit-content;
  height: fit-content;
  background: rgba(13, 10, 28, 0.96);
  color: var(--color-paper, #e8eef4);
  overflow: hidden;
}

.gv-lightbox::backdrop {
  background: rgba(8, 6, 18, 0.82);
  backdrop-filter: blur(6px);
}

.gv-lightbox__img {
  display: block;
  max-width: min(92vw, 56rem);
  max-height: 85vh;
  width: auto;
  height: auto;
  margin: 0 auto;
}

.gv-lightbox__close,
.gv-lightbox__nav {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(212, 180, 90, 0.45);
  background: rgba(13, 10, 28, 0.75);
  color: var(--color-gold, #d4b45a);
  cursor: pointer;
  border-radius: var(--radius, 0.55rem);
}

.gv-lightbox__close {
  top: 0.65rem;
  right: 0.65rem;
  width: 2.4rem;
  height: 2.4rem;
  font-size: 0;
}

.gv-lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.6rem;
  line-height: 1;
}

.gv-lightbox__nav--prev { left: 0.65rem; }
.gv-lightbox__nav--next { right: 0.65rem; }

/* Slideshow */
.gv-slideshow {
  position: relative;
  width: 100%;
}

.gv-slideshow__viewport {
  position: relative;
  aspect-ratio: 3 / 4;
  max-height: min(78vh, 40rem);
  margin-inline: auto;
  max-width: 28rem;
  overflow: hidden;
  border: 1px solid rgba(212, 180, 90, 0.28);
  border-radius: calc(var(--radius, 0.55rem) + 2px);
  background: var(--color-ink-soft, #1c1638);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4);
}

@media (min-width: 900px) {
  .gv-slideshow__viewport {
    max-width: 32rem;
  }
}

.gv-slideshow__slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity 0.55s ease;
  pointer-events: none;
}

.gv-slideshow__slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.gv-slideshow__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gv-slideshow__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.15rem;
}

.gv-slideshow__btn {
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--color-gold, #d4b45a);
  background: transparent;
  color: var(--color-gold, #d4b45a);
  border-radius: var(--radius, 0.55rem);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.gv-slideshow__btn:hover,
.gv-slideshow__btn:focus-visible {
  background: rgba(212, 180, 90, 0.12);
  outline: none;
}

.gv-slideshow__dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  max-width: min(100%, 18rem);
}

.gv-slideshow__dot {
  width: 0.45rem;
  height: 0.45rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(232, 238, 244, 0.28);
  cursor: pointer;
}

.gv-slideshow__dot.is-active {
  background: var(--color-gold, #d4b45a);
}

@media (prefers-reduced-motion: reduce) {
  .gv-slideshow__slide {
    transition: none;
  }

  .gv-tunnel__backdrop,
  .gv-tunnel__mist,
  .gv-tunnel__glow {
    animation: none !important;
  }

  .gv-tunnel__backdrop--ember,
  .gv-tunnel__mist--two {
    opacity: 0;
  }

  .gv-tunnel__eyes span {
    animation: none !important;
  }

  .gv-tunnel__scene {
    transition: none !important;
  }
}

@keyframes gv-tunnel-pulse {
  0%,
  100% {
    opacity: 0.25;
  }
  50% {
    opacity: 0.55;
  }
}

@keyframes gv-tunnel-crossfade-a {
  0%,
  40%,
  100% { opacity: 1; }
  50%,
  90% { opacity: 0; }
}

@keyframes gv-tunnel-crossfade-b {
  0%,
  40%,
  100% { opacity: 0; }
  50%,
  90% { opacity: 1; }
}

@keyframes gv-tunnel-mist-one {
  0%,
  100% { transform: translate(-5%, -3%) scale(1); }
  50% { transform: translate(5%, 4%) scale(1.18); }
}

@keyframes gv-tunnel-mist-two {
  0%,
  100% { transform: translate(4%, -4%) scale(1.12); }
  50% { transform: translate(-6%, 5%) scale(1); }
}

@keyframes gv-nikerez-blink {
  0%,
  88%,
  100% { opacity: 1; }
  92%,
  96% { opacity: 0.05; }
}

@keyframes gv-nikerez-startle {
  0% { transform: translate(var(--gv-eye-x), var(--gv-eye-y)) scale(1); opacity: 1; }
  22% { transform: translate(var(--gv-eye-x), var(--gv-eye-y)) scale(2.6); opacity: 1; }
  100% { transform: translate(var(--gv-eye-x), var(--gv-eye-y)) scale(0.15); opacity: 0; }
}

/* —— Tunnel Hero (helix fly-through) —— */
.gv-tunnel {
  position: relative;
  width: 100%;
  margin: 0;
}

.gv-tunnel__viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: min(78vh, 40rem);
  overflow: hidden;
  cursor: crosshair;
  perspective: 1400px;
  background: #000;
  border: 1px solid rgba(212, 180, 90, 0.22);
  border-radius: calc(var(--radius, 0.55rem) + 2px);
}

.gv-tunnel__backdrop,
.gv-tunnel__mist {
  position: absolute;
  pointer-events: none;
}

.gv-tunnel__backdrop {
  inset: 0;
}

.gv-tunnel__backdrop--violet {
  background: radial-gradient(ellipse at center, #1a0d1d 0%, #08040c 55%, #000 100%);
  animation: gv-tunnel-crossfade-a 24s ease-in-out infinite;
}

.gv-tunnel__backdrop--ember {
  background: radial-gradient(ellipse at center, #1a140a 0%, #0a0704 55%, #000 100%);
  animation: gv-tunnel-crossfade-b 24s ease-in-out infinite;
}

.gv-tunnel__mist {
  inset: -20%;
  filter: blur(45px);
  mix-blend-mode: screen;
}

.gv-tunnel__mist::before,
.gv-tunnel__mist::after {
  position: absolute;
  inset: 0;
  content: "";
}

.gv-tunnel__mist--one {
  animation: gv-tunnel-mist-one 42s ease-in-out infinite;
}

.gv-tunnel__mist--one::before {
  background: radial-gradient(circle at 30% 40%, rgba(90, 30, 140, 0.35) 0%, transparent 60%);
  animation: gv-tunnel-crossfade-a 24s ease-in-out infinite;
}

.gv-tunnel__mist--one::after {
  background: radial-gradient(circle at 30% 40%, rgba(120, 20, 15, 0.35) 0%, transparent 60%);
  animation: gv-tunnel-crossfade-b 24s ease-in-out infinite;
}

.gv-tunnel__mist--two {
  filter: blur(50px);
  animation: gv-tunnel-mist-two 56s ease-in-out infinite;
}

.gv-tunnel__mist--two::before {
  background: radial-gradient(circle at 65% 60%, rgba(70, 25, 110, 0.28) 0%, transparent 55%);
  animation: gv-tunnel-crossfade-a 24s ease-in-out infinite;
}

.gv-tunnel__mist--two::after {
  background: radial-gradient(circle at 65% 60%, rgba(90, 60, 20, 0.28) 0%, transparent 55%);
  animation: gv-tunnel-crossfade-b 24s ease-in-out infinite;
}

.gv-tunnel__scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform-style: preserve-3d;
  transition: transform 0.5s ease-out;
  will-change: transform;
}

.gv-tunnel__frame {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(11rem, 22vw, 21.25rem);
  height: clamp(15rem, 30vw, 28.75rem);
  margin: 0;
  margin-left: calc(clamp(11rem, 22vw, 21.25rem) / -2);
  margin-top: calc(clamp(15rem, 30vw, 28.75rem) / -2);
  transform-style: preserve-3d;
  opacity: 0;
  will-change: transform, opacity;
}

.gv-tunnel__frame-button {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.gv-tunnel__mat {
  position: absolute;
  inset: 0;
  padding: 0.75rem;
  border-radius: 6px;
  background: linear-gradient(145deg, #5a4224, #1c130a 60%, #0d0805);
  box-shadow:
    0 0 50px rgba(0, 0, 0, 0.7),
    inset 0 0 0 2px rgba(212, 175, 90, 0.4),
    inset 0 0 0 5px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.3s ease;
}

.gv-tunnel__frame.is-hovered .gv-tunnel__mat,
.gv-tunnel__frame-button:focus-visible .gv-tunnel__mat {
  box-shadow:
    0 0 50px rgba(0, 0, 0, 0.7),
    0 0 40px 6px rgba(255, 190, 80, 0.55),
    inset 0 0 0 2px rgba(212, 175, 90, 0.55),
    inset 0 0 0 5px rgba(0, 0, 0, 0.5);
}

.gv-tunnel__glass {
  width: 100%;
  height: 100%;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.8);
}

.gv-tunnel__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  filter: saturate(1.08) contrast(1.06) brightness(0.96);
  transition: filter 0.3s ease;
}

.gv-tunnel__frame.is-hovered img,
.gv-tunnel__frame-button:focus-visible img {
  filter: saturate(1.08) contrast(1.06) brightness(1.15);
}

.gv-tunnel__nikerez {
  --gv-eye-x: 0px;
  --gv-eye-y: 0px;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 60px;
  height: 40px;
  margin: -20px 0 0 -30px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transform-style: preserve-3d;
  will-change: transform, opacity;
}

.gv-tunnel__eyes {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 14px;
  transform: translate(var(--gv-eye-x), var(--gv-eye-y)) scale(1);
  transition: transform 0.4s ease-out;
}

.gv-tunnel__eyes span {
  position: absolute;
  top: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle, #ff3b2f 0%, #8a0e0a 60%, transparent 100%);
  box-shadow: 0 0 10px 3px rgba(255, 40, 20, 0.85);
  animation: gv-nikerez-blink 4s ease-in-out infinite;
  animation-delay: var(--gv-blink-delay);
}

.gv-tunnel__eyes span:first-child { left: 0; }
.gv-tunnel__eyes span:last-child { right: 0; }

.gv-tunnel__nikerez.is-hovered .gv-tunnel__eyes,
.gv-tunnel__nikerez:focus-visible .gv-tunnel__eyes {
  transform: translate(var(--gv-eye-x), var(--gv-eye-y)) scale(1.7);
}

.gv-tunnel__nikerez.is-startled .gv-tunnel__eyes {
  animation: gv-nikerez-startle 0.65s ease-out forwards;
}

.gv-tunnel__fog {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 30%,
    rgba(0, 0, 0, 0.5) 72%,
    rgba(0, 0, 0, 0.94) 100%
  );
}

.gv-tunnel__glow {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  box-shadow: inset 0 0 220px rgba(212, 180, 90, 0.22);
  animation: gv-tunnel-pulse 1.6s ease-in-out infinite;
}

.gv-tunnel-lightbox {
  position: fixed;
  inset: 0;
  width: min(74vw, 932px);
  height: min(76vh, 760px);
  margin: auto;
  padding: 16px;
  border: 1px solid rgba(212, 175, 90, 0.5);
  border-radius: 8px;
  background: linear-gradient(145deg, #5a4224, #1c130a 60%, #0d0805);
  box-shadow: 0 0 80px rgba(255, 150, 50, 0.35);
  overflow: visible;
}

.gv-tunnel-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.86);
}

.gv-tunnel-lightbox__image {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  object-fit: contain;
  background: #080604;
}

.gv-tunnel-lightbox__close {
  position: absolute;
  z-index: 2;
  top: -0.85rem;
  right: -0.85rem;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid rgba(212, 175, 90, 0.65);
  border-radius: 50%;
  background: #0d0805;
  color: var(--color-gold, #d4b45a);
  font-size: 0;
  cursor: pointer;
}

.gv-lightbox__close::before,
.gv-lightbox__close::after,
.gv-tunnel-lightbox__close::before,
.gv-tunnel-lightbox__close::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
  transform-origin: center;
}

.gv-lightbox__close::before,
.gv-tunnel-lightbox__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.gv-lightbox__close::after,
.gv-tunnel-lightbox__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

@media (max-width: 700px) {
  .gv-tunnel__viewport {
    aspect-ratio: 4 / 5;
    max-height: min(70vh, 32rem);
  }

  .gv-tunnel__frame {
    width: clamp(8.5rem, 42vw, 13rem);
    height: clamp(11.5rem, 56vw, 17.5rem);
    margin-left: calc(clamp(8.5rem, 42vw, 13rem) / -2);
    margin-top: calc(clamp(11.5rem, 56vw, 17.5rem) / -2);
  }

  .gv-tunnel-lightbox {
    width: 88vw;
    height: 74vh;
    padding: 10px;
  }
}