/* =========================================================
   Service Detail Gallery
   ---------------------------------------------------------
   Purpose:
   - Desktop gallery with vertical thumbnail rail
   - Large primary media stage
   - Fullscreen modal gallery for image/video viewing
   - Navbar-aware fullscreen spacing
   - Responsive collapse to horizontal thumbs on smaller screens
   - Small gallery count label below the gallery
   ========================================================= */

/* =========================================================
   Root Variables
   ========================================================= */
:root {
  --gallery-rail-width: 92px;
  --gallery-stage-pad: clamp(0.2rem, 0.55vw, 0.35rem);
  --gallery-stage-radius: 20px;

  --gallery-modal-nav-clearance: calc(var(--nav-h, 5.5rem) + 0.9rem);
  --gallery-modal-meta-space: 4.25rem;
  --gallery-modal-thumbs-space: 5.5rem;
  --gallery-modal-bottom-ui-space: calc(
    var(--gallery-modal-meta-space) + var(--gallery-modal-thumbs-space)
  );

  --gallery-thumb-size: 72px;
  --gallery-thumb-radius: 16px;
  --gallery-modal-thumb-radius: 20px;

  --gallery-border: rgba(255, 255, 255, 0.08);
  --gallery-border-active: rgba(193, 13, 13, 0.55);

  --gallery-surface: rgba(255, 255, 255, 0.03);
  --gallery-surface-hover: rgba(255, 255, 255, 0.05);
  --gallery-surface-soft: rgba(255, 255, 255, 0.025);

  --gallery-text-muted: rgba(255, 255, 255, 0.56);
  --gallery-text-soft: rgba(255, 255, 255, 0.74);

  --gallery-overlay-button-bg: rgba(12, 15, 22, 0.72);
  --gallery-overlay-button-bg-hover: rgba(18, 22, 31, 0.88);

  --gallery-modal-backdrop-top: rgba(3, 5, 10, 0.52);
  --gallery-modal-backdrop-mid: rgba(3, 5, 10, 0.68);
  --gallery-modal-backdrop-lower: rgba(3, 5, 10, 0.88);
  --gallery-modal-backdrop-bottom: rgba(3, 5, 10, 0.92);
}

/* =========================================================
   Main Gallery Layout
   ========================================================= */
.service-detail-gallery {
  display: grid;
  grid-template-columns: var(--gallery-rail-width) minmax(0, 1fr);
  gap: clamp(0.9rem, 1.6vw, 1.25rem);
  align-items: start;
  width: 100%;
}

.service-detail-gallery__main,
.service-detail-gallery__stage,
.service-detail-gallery__stage-media {
  min-width: 0;
  width: 100%;
}

/* =========================================================
   Thumbnail Rail
   ========================================================= */
.service-detail-gallery__thumbs {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  width: var(--gallery-rail-width);
  align-self: flex-start;
}

.service-detail-gallery__thumb,
.service-detail-gallery-modal__thumb {
  appearance: none;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1.5px solid var(--gallery-border);
  border-radius: var(--gallery-thumb-radius);
  background: var(--gallery-surface);
  cursor: pointer;
  overflow: hidden;
  transition:
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background-color 0.18s ease,
    opacity 0.18s ease;
}

.service-detail-gallery__thumb-media,
.service-detail-gallery-modal__thumb-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  background: var(--gallery-surface-soft);
}

.service-detail-gallery__thumb-media img,
.service-detail-gallery-modal__thumb-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail-gallery__thumb-badge {
  position: absolute;
  right: 0.45rem;
  bottom: 0.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.74);
  color: #fff;
  font-size: 0.72rem;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.service-detail-gallery__thumb-overflow {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 8, 14, 0.68);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  border-radius: inherit;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  pointer-events: none;
}

.service-detail-gallery__thumb[data-gallery-thumb-overflow]:hover .service-detail-gallery__thumb-overflow {
  background: rgba(6, 8, 14, 0.55);
}

.service-detail-gallery__thumb:hover,
.service-detail-gallery__thumb:focus-visible {
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
  background: var(--gallery-surface-hover);
  opacity: 0.9;
}

.service-detail-gallery__thumb.is-active {
  border-color: var(--gallery-border-active);
  border-width: 2px;
  transform: none;
  box-shadow:
    0 0 0 1px rgba(193, 13, 13, 0.18),
    0 8px 20px rgba(0, 0, 0, 0.22);
  background: var(--gallery-surface-hover);
  opacity: 1;
}

.service-detail-gallery-modal__thumb:focus-visible,
.service-detail-gallery-modal__thumb.is-active {
  border-color: var(--gallery-border-active);
  transform: none;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);
  background: var(--gallery-surface-hover);
}

/* =========================================================
   Main Media Stage
   ========================================================= */
.service-detail-gallery__stage {
  position: relative;
  width: 100%;
  padding: var(--gallery-stage-pad);
  background: transparent;
  border-radius: 0;
  overflow: visible;
  cursor: default;
}

.service-detail-gallery__stage-media {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 0;
  cursor: zoom-in;
}

.service-detail-gallery__rendered-image,
.service-detail-gallery__rendered-video,
.service-detail-gallery__stage-media img,
.service-detail-gallery__stage-media video {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: min(620px, 72vh);
  object-fit: contain;
  border-radius: var(--gallery-stage-radius);
}

.service-detail-gallery__stage-media video {
  background: #000;
}

/* =========================================================
   Fullscreen Open Button
   ========================================================= */
.service-detail-gallery__open {
  position: absolute;
  top: calc(var(--gallery-stage-pad) - 0.4rem);
  left: calc(var(--gallery-stage-pad) + 0.8rem);
  z-index: 2;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: var(--gallery-overlay-button-bg);
  color: #fff;
  cursor: pointer;

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);

  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.service-detail-gallery__stage:hover .service-detail-gallery__open,
.service-detail-gallery__stage:focus-within .service-detail-gallery__open,
.service-detail-gallery__open:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.service-detail-gallery__open:hover,
.service-detail-gallery__open:focus-visible {
  background: var(--gallery-overlay-button-bg-hover);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.service-detail-gallery__open:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 2px;
}

/* =========================================================
   Gallery Count Label
   ========================================================= */
.service-detail-gallery__count {
  margin: 0.15rem 0 0;
  color: var(--gallery-text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
  letter-spacing: 0.03em;
  text-align: left;
}

.service-detail-gallery__count-breakdown {
  color: var(--gallery-text-soft);
}

/* =========================================================
   Scroll Lock While Modal Is Open
   ========================================================= */
html.service-detail-gallery-modal-open,
body.service-detail-gallery-modal-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.service-detail-gallery-modal {
  overscroll-behavior: contain;
}

/* =========================================================
   Fullscreen Modal Base
   ========================================================= */
.service-detail-gallery-modal[hidden] {
  display: none;
}

.service-detail-gallery-modal {
  position: fixed;
  inset: 0;
  z-index: 1600;
  width: 100vw;
  height: 100vh;
  height: 100svh;
}

.service-detail-gallery-modal__backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--gallery-modal-backdrop-top) 0,
    var(--gallery-modal-backdrop-mid)
      calc(var(--gallery-modal-nav-clearance) + 0.75rem),
    var(--gallery-modal-backdrop-lower)
      calc(var(--gallery-modal-nav-clearance) + 8rem),
    var(--gallery-modal-backdrop-bottom) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* =========================================================
   Fullscreen Modal Dialog / Stage
   ========================================================= */
.service-detail-gallery-modal__dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 64px;
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  align-items: center;

  width: 100vw;
  height: 100vh;
  height: 100svh;
  min-height: 100svh;

  margin: 0;
  padding: calc(env(safe-area-inset-top, 0px) + 1rem)
    calc(env(safe-area-inset-right, 0px) + 1rem)
    calc(env(safe-area-inset-bottom, 0px) + 1rem)
    calc(env(safe-area-inset-left, 0px) + 1rem);

  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: hidden;
  outline: none;
}

.service-detail-gallery-modal__stage {
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;

  padding-top: var(--gallery-modal-nav-clearance);
  padding-bottom: var(--gallery-modal-bottom-ui-space);
}

.service-detail-gallery-modal__stage img,
.service-detail-gallery-modal__stage video {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: calc(
    100svh - var(--gallery-modal-nav-clearance) -
      var(--gallery-modal-bottom-ui-space)
  );
  object-fit: contain;
  background: transparent;
}

/* =========================================================
   Modal Controls
   ========================================================= */
.service-detail-gallery-modal__close {
  position: absolute;
  top: calc(env(safe-area-inset-top, 0px) + var(--gallery-modal-nav-clearance));
  right: calc(env(safe-area-inset-right, 0px) + 1rem);

  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(12, 15, 22, 0.72);
  color: #fff;
  cursor: pointer;
  z-index: 3;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.service-detail-gallery-modal__nav {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(12, 15, 22, 0.6);
  color: #fff;
  cursor: pointer;
  z-index: 2;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.service-detail-gallery-modal__close:focus-visible,
.service-detail-gallery-modal__nav:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

/* =========================================================
   Modal Media Meta / Caption
   ========================================================= */
.service-detail-gallery-modal__meta {
  position: absolute;
  left: 50%;
  bottom: calc(
    env(safe-area-inset-bottom, 0px) + var(--gallery-modal-thumbs-space)
  );
  transform: translateX(-50%);
  z-index: 3;

  display: grid;
  gap: 0.3rem;
  width: min(calc(100% - 2rem), 920px);
  padding: 1rem;

  text-align: center;
  pointer-events: none;
}

.service-detail-gallery-modal__label,
.service-detail-gallery-modal__alt {
  margin: 0;
}

.service-detail-gallery-modal__label {
  color: rgba(255, 255, 255, 0.96);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.service-detail-gallery-modal__alt {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* =========================================================
   Modal Thumbnail Strip
   ========================================================= */
.service-detail-gallery-modal__thumbs {
  position: absolute;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 1rem);
  transform: translateX(-50%);

  display: flex;
  flex-wrap: nowrap;
  gap: 0.7rem;
  align-items: center;
  justify-content: flex-start;

  width: fit-content;
  max-width: min(calc(100% - 2rem), 1100px);
  overflow-x: auto;
  padding: 0.25rem;
  scroll-behavior: smooth;
}

.service-detail-gallery-modal__thumb {
  flex: 0 0 var(--gallery-thumb-size);
  width: var(--gallery-thumb-size);
  height: var(--gallery-thumb-size);
  border-radius: var(--gallery-modal-thumb-radius);
  overflow: hidden;
}

.service-detail-gallery-modal__thumbs::-webkit-scrollbar {
  height: 6px;
}

.service-detail-gallery-modal__thumbs::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

/* =========================================================
   Tablet / Small Desktop
   ========================================================= */
@media (max-width: 980px) {
  .service-detail-gallery {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .service-detail-gallery__main {
    order: 1;
  }

  .service-detail-gallery__thumbs {
    order: 2;
    flex-direction: row;
    width: 100%;
    overflow-x: auto;
    gap: 0.7rem;
    padding-bottom: 0.15rem;
  }

  .service-detail-gallery__thumb {
    flex: 0 0 var(--gallery-thumb-size);
    width: var(--gallery-thumb-size);
  }
}

@media (max-width: 920px) {
  :root {
    --gallery-modal-nav-clearance: calc(var(--nav-h, 5rem) + 0.75rem);
    --gallery-modal-meta-space: 3.9rem;
    --gallery-modal-thumbs-space: 5.1rem;
    --gallery-modal-bottom-ui-space: calc(
      var(--gallery-modal-meta-space) + var(--gallery-modal-thumbs-space)
    );
  }

  .service-detail-gallery-modal__dialog {
    grid-template-columns: 46px minmax(0, 1fr) 46px;
    padding: calc(env(safe-area-inset-top, 0px) + 0.9rem)
      calc(env(safe-area-inset-right, 0px) + 0.7rem)
      calc(env(safe-area-inset-bottom, 0px) + 0.9rem)
      calc(env(safe-area-inset-left, 0px) + 0.7rem);
  }

  .service-detail-gallery-modal__close {
    top: calc(
      env(safe-area-inset-top, 0px) + var(--gallery-modal-nav-clearance)
    );
    right: calc(env(safe-area-inset-right, 0px) + 0.7rem);
  }

  .service-detail-gallery-modal__nav {
    width: 46px;
    height: 46px;
  }

  .service-detail-gallery-modal__meta {
    width: min(calc(100% - 1.4rem), 840px);
  }

  .service-detail-gallery-modal__thumbs {
    max-width: min(calc(100% - 1.4rem), 900px);
  }
}

@media (max-width: 640px) {
  .service-detail-gallery__stage {
    padding: 0.15rem;
  }

  .service-detail-gallery__rendered-image,
  .service-detail-gallery__rendered-video,
  .service-detail-gallery__stage-media img,
  .service-detail-gallery__stage-media video {
    max-height: 420px;
    border-radius: 18px;
  }
}

@media (max-width: 620px) {
  :root {
    --gallery-modal-nav-clearance: calc(var(--nav-h, 4.5rem) + 0.55rem);
    --gallery-modal-meta-space: 3.35rem;
    --gallery-modal-thumbs-space: 4.55rem;
    --gallery-modal-bottom-ui-space: calc(
      var(--gallery-modal-meta-space) + var(--gallery-modal-thumbs-space)
    );
  }

  .service-detail-gallery-modal__dialog {
    grid-template-columns: 40px minmax(0, 1fr) 40px;
    padding: calc(env(safe-area-inset-top, 0px) + 0.8rem)
      calc(env(safe-area-inset-right, 0px) + 0.45rem)
      calc(env(safe-area-inset-bottom, 0px) + 0.8rem)
      calc(env(safe-area-inset-left, 0px) + 0.45rem);
  }

  .service-detail-gallery-modal__close {
    top: calc(
      env(safe-area-inset-top, 0px) + var(--gallery-modal-nav-clearance)
    );
    right: calc(env(safe-area-inset-right, 0px) + 0.7rem);
    width: 42px;
    height: 42px;
  }

  .service-detail-gallery-modal__nav {
    width: 40px;
    height: 40px;
  }

  .service-detail-gallery-modal__meta {
    width: min(calc(100% - 1rem), 100%);
    padding: 1rem;
  }

  .service-detail-gallery-modal__label {
    font-size: 0.82rem;
  }

  .service-detail-gallery-modal__alt {
    font-size: 0.78rem;
  }

  .service-detail-gallery-modal__thumb {
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    border-radius: 16px;
  }
}