/* gallery-extras.css — additional styles for the alternate gallery templates.
 * Loaded alongside website.css on each gallery-*.html page.
 * Keeps website.css clean.
 */

/* ===== Template chooser banner (top of every gallery template) ===== */
.tpl-bar {
  position: sticky;
  top: 72px;
  z-index: 30;
  background: var(--ims-bg);
  border-bottom: 1px solid var(--ims-border);
  padding-block: 14px;
}
.tpl-bar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.tpl-bar .lab {
  font-family: var(--ims-font-display);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ims-fg-3);
}
.tpl-bar .options {
  display: flex; gap: 6px; flex-wrap: wrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tpl-bar a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  border-radius: 4px;
  border: 1px solid var(--ims-border-strong);
  background: #fff;
  font-family: var(--ims-font-display);
  font-weight: 500;
  font-size: 13px;
  color: var(--ims-fg-1);
  white-space: nowrap;
  transition: background 160ms, color 160ms, border-color 160ms;
}
.tpl-bar a:hover { background: var(--ims-navy-50); border-color: var(--ims-navy-700); }
.tpl-bar a.is-current { background: var(--ims-navy-700); border-color: var(--ims-navy-700); color: #fff; }
.tpl-bar a .num {
  font-family: var(--ims-font-mono);
  font-size: 11px;
  background: rgba(0,0,0,0.08);
  color: inherit;
  padding: 2px 6px;
  border-radius: 999px;
}
.tpl-bar a.is-current .num { background: rgba(255,255,255,0.18); }

@media (max-width: 900px) {
  .tpl-bar { top: 64px; }
  .tpl-bar-inner { gap: 8px; }
  .tpl-bar .lab { display: none; }
}

/* =====================================================================
 * TEMPLATE 2 — Project Stories
 * Each named project gets a full-width "story" section: large hero
 * photo on one side, project intro + meta on the other, with a sub-grid
 * of supporting images below.
 * ===================================================================== */
.story-section { padding-block: clamp(56px, 8vw, 96px); border-top: 1px solid var(--ims-border); }
.story-section:first-of-type { border-top: 0; padding-top: clamp(32px, 5vw, 64px); }

.story-header {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: stretch;
}
.story-hero {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--ims-shadow-image);
  aspect-ratio: 16 / 11;
  background: var(--ims-concrete-200);
}
.story-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.story-hero .ribbon {
  position: absolute;
  top: 0; left: 0;
  padding: 7px 18px 7px 12px;
  background: var(--ims-amber-500);
  color: var(--ims-navy-900);
  font-family: var(--ims-font-display); font-weight: 700; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.story-body { display: flex; flex-direction: column; justify-content: center; gap: 22px; }
.story-body .index {
  font-family: var(--ims-font-mono);
  font-size: 12px;
  color: var(--ims-fg-3);
  letter-spacing: 0.06em;
}
.story-body h2 {
  font-family: var(--ims-font-display);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ims-fg-1);
  text-wrap: balance;
}
.story-body p { font-size: 16px; line-height: 1.65; color: var(--ims-fg-2); margin: 0; max-width: 50ch; }
.story-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  padding-top: 18px;
  border-top: 1px solid var(--ims-border);
}
.story-meta dt {
  font-family: var(--ims-font-display);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ims-fg-3);
  margin-bottom: 4px;
}
.story-meta dd { font-family: var(--ims-font-body); font-size: 15px; color: var(--ims-fg-1); margin: 0; }

.story-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.story-grid .tile {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--ims-border);
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
}
.story-grid .tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms cubic-bezier(.22,.61,.36,1); }
.story-grid .tile:hover img { transform: scale(1.05); }
.story-grid .tile .cap {
  position: absolute; left: 10px; right: 10px; bottom: 8px;
  font-family: var(--ims-font-mono); font-size: 10.5px;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.55);
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 200ms, transform 200ms;
}
.story-grid .tile:hover .cap { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .story-header { grid-template-columns: 1fr; gap: 24px; }
  .story-hero { aspect-ratio: 16 / 10; }
  .story-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =====================================================================
 * TEMPLATE 3 — Justified Rows
 * Photo-forward Flickr-style grid — each row of images shares a uniform
 * height, individual widths flex according to aspect ratio. Captions
 * live on hover.
 * ===================================================================== */
.justified {
  padding-block: clamp(28px, 4vw, 48px) 96px;
}
.jr-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.jr-tile {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ims-concrete-200);
  cursor: zoom-in;
  flex-grow: 1;
  flex-basis: 0;
}
.jr-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 400ms cubic-bezier(.22,.61,.36,1); }
.jr-tile:hover img { transform: scale(1.06); }
.jr-tile .ovl {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,31,51,0) 55%, rgba(10,31,51,0.78) 100%);
  opacity: 0;
  transition: opacity 200ms;
}
.jr-tile:hover .ovl { opacity: 1; }
.jr-tile .cap {
  position: absolute; left: 14px; right: 14px; bottom: 12px;
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 200ms, transform 200ms;
}
.jr-tile:hover .cap { opacity: 1; transform: translateY(0); }
.jr-tile .cap .e { font-family: var(--ims-font-display); font-weight: 600; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ims-cyan-400); }
.jr-tile .cap .h { font-family: var(--ims-font-display); font-weight: 700; font-size: 15px; line-height: 1.2; margin-top: 3px; }
.jr-tile .ribbon {
  position: absolute; top: 0; left: 0;
  padding: 5px 14px 5px 10px;
  background: var(--ims-amber-500);
  color: var(--ims-navy-900);
  font-family: var(--ims-font-display);
  font-weight: 700; font-size: 9.5px;
  letter-spacing: 0.16em; text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

/* =====================================================================
 * TEMPLATE 4 — Index + Detail (master/detail layout)
 * Left rail: filterable thumbnail list. Right: large preview with
 * metadata panel. Stacks on mobile (rail becomes a horizontal strip).
 * ===================================================================== */
.id-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  padding-block: clamp(28px, 4vw, 48px) 96px;
  min-height: 70vh;
}
.id-rail {
  background: #fff;
  border: 1px solid var(--ims-border);
  border-radius: 6px;
  padding: 16px;
  height: calc(100vh - 200px);
  max-height: 760px;
  position: sticky;
  top: 156px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.id-rail .filters {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ims-border);
}
.id-rail .filters button {
  background: transparent;
  border: 1px solid var(--ims-border-strong);
  border-radius: 4px;
  padding: 5px 10px;
  font-family: var(--ims-font-display);
  font-weight: 500;
  font-size: 11.5px;
  color: var(--ims-fg-1);
  cursor: pointer;
}
.id-rail .filters button.on { background: var(--ims-navy-700); border-color: var(--ims-navy-700); color: #fff; }
.id-rail .thumbs {
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding-right: 4px;
}
.id-rail .thumbs::-webkit-scrollbar { width: 6px; }
.id-rail .thumbs::-webkit-scrollbar-thumb { background: var(--ims-concrete-300); border-radius: 3px; }
.id-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
}
.id-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.id-thumb .num {
  position: absolute; top: 4px; left: 5px;
  font-family: var(--ims-font-mono); font-size: 9px;
  background: rgba(10,31,51,0.7); color: #fff;
  padding: 2px 5px; border-radius: 2px;
  letter-spacing: 0.04em;
}
.id-thumb.is-selected { border-color: var(--ims-cyan-500); box-shadow: 0 0 0 3px rgba(63,163,217,0.30); }

.id-detail {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.id-stage {
  position: relative;
  background: var(--ims-navy-900);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: var(--ims-shadow-image);
}
.id-stage img,
.id-stage video {
  width: 100%; height: 100%;
  object-fit: contain;
  background: var(--ims-navy-900);
  display: block;
}
.id-thumb .badge {
  position: absolute;
  bottom: 4px; right: 5px;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: rgba(10,31,51,0.85);
  color: #fff;
  border-radius: 2px;
}
.id-thumb .badge svg { width: 12px; height: 12px; stroke-width: 2; }
.id-stage .ribbon {
  position: absolute; top: 0; left: 0;
  padding: 7px 18px 7px 12px;
  background: var(--ims-amber-500);
  color: var(--ims-navy-900);
  font-family: var(--ims-font-display); font-weight: 700; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.id-stage .nav-btns { position: absolute; bottom: 12px; right: 12px; display: flex; gap: 6px; }
.id-stage .nav-btns button {
  width: 40px; height: 40px;
  border-radius: 4px;
  background: rgba(255,255,255,0.92);
  border: 0;
  display: grid; place-items: center;
  cursor: pointer;
}
.id-stage .nav-btns svg { width: 18px; height: 18px; stroke-width: 1.75; color: var(--ims-navy-800); }
.id-stage .counter {
  position: absolute; bottom: 18px; left: 18px;
  font-family: var(--ims-font-mono); font-size: 12px;
  letter-spacing: 0.06em; color: rgba(255,255,255,0.78);
}

.id-meta {
  background: #fff;
  border: 1px solid var(--ims-border);
  border-radius: 6px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: start;
}
.id-meta .e { font-family: var(--ims-font-display); font-weight: 600; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ims-cyan-700); }
.id-meta h2 { font-family: var(--ims-font-display); font-weight: 700; font-size: 24px; letter-spacing: -0.01em; margin: 6px 0 0; color: var(--ims-fg-1); line-height: 1.2; text-wrap: balance; }
.id-meta dl { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; margin: 0; }
.id-meta dt { font-family: var(--ims-font-display); font-size: 10.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ims-fg-3); margin-bottom: 3px; }
.id-meta dd { font-family: var(--ims-font-body); font-size: 14px; color: var(--ims-fg-1); margin: 0; }

@media (max-width: 1100px) {
  .id-layout { grid-template-columns: 1fr; }
  .id-rail {
    position: static;
    height: auto;
    max-height: none;
  }
  .id-rail .thumbs {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    max-height: 240px;
  }
  .id-meta { grid-template-columns: 1fr; gap: 16px; }
  .id-meta dl { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .id-rail { padding: 12px; }
  .id-meta { padding: 16px; }
  .id-meta dl { grid-template-columns: 1fr; }
}

/* ===== Media type filter bar ===== */
.gallery-type-bar {
  position: sticky;
  top: 72px;
  z-index: 30;
  background: var(--ims-bg);
  border-bottom: 1px solid var(--ims-border);
  padding-block: 14px;
}
.type-filter {
  display: flex;
  gap: 8px;
}
.type-filter button {
  padding: 8px 18px;
  border-radius: 4px;
  border: 1px solid var(--ims-border-strong);
  background: #fff;
  font-family: var(--ims-font-display);
  font-weight: 500;
  font-size: 13px;
  color: var(--ims-fg-1);
  cursor: pointer;
  transition: background 160ms, color 160ms, border-color 160ms;
}
.type-filter button:hover { background: var(--ims-navy-50); border-color: var(--ims-navy-700); }
.type-filter button.on { background: var(--ims-navy-700); border-color: var(--ims-navy-700); color: #fff; }

/* Justified row heights */
.jr-row { height: 260px; }
.jr-row.jr-video-row { height: 340px; }

@media (max-width: 900px) {
  .gallery-type-bar { top: 64px; }
  .jr-row { height: 200px; }
  .jr-row.jr-video-row { height: 260px; }
}
@media (max-width: 600px) {
  .jr-row { height: 160px; }
  .jr-row.jr-video-row { height: auto; }
}