/* gallery.css — masonry grid + lightbox
   Supplements fx.css + atmosphere.css; no new font imports.
   z-index: grid 10, modal 5000, modal controls 5001
   (below curtain 8000 and grain 9997 — intentional)
   ---------------------------------------------------------------- */

/* ── Gallery section header (shared: project pages) ───────────────
   our-work uses its own .section-label heading; project pages get
   this generated header from build-gallery.py. */
.gal-section-header {
  position: relative;
  z-index: 10;
  padding: 80px 3vw 36px;
}

.gal-section-header .gal-eyebrow {
  font-family: 'Recia-Regular', serif;
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.gal-section-header h2 {
  font-family: var(--heading-font);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  color: var(--foreground);
  margin: 0;
}

@media (max-width: 768px) {
  .gal-section-header { padding: 56px 3vw 28px; }
}

/* ── Masonry Grid ─────────────────────────────────────────────── */
/* Reading-order masonry: a flex row of equal-width columns, each stacking
   images at their NATURAL height (true masonry — never cropped/squared).
   js/gallery.js deals items round-robin across the columns so they read
   left→right then down (1·2·3·4 across the first row, 5·6·7·8 next, …) and
   redistributes on breakpoint change. Lightbox order follows data-index. */
.gal-grid {
  display: flex;
  align-items: flex-start;  /* columns size to their content, not the tallest column */
  gap: 1px;                 /* hairline seam between columns */
  padding: 0 3vw 120px;
  position: relative;
  z-index: 10;
}

.gal-col {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;                 /* hairline seam between stacked images */
}

.gal-item {
  margin: 0;
  cursor: pointer;
  display: block;
  overflow: hidden;
  position: relative;
}

.gal-item img {
  display: block;
  width: 100%;
  height: auto;             /* natural aspect ratio preserved */
  transition: transform 0.55s cubic-bezier(0.76,0,0.24,1);
}

/* Hover tint overlay — scoped to hover-capable devices */
.gal-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,6,19,0);
  transition: background 0.4s ease;
  pointer-events: none;
}

@media (hover: hover) {
  .gal-item:hover img { transform: scale(1.04); }
  .gal-item:hover::after { background: rgba(10,6,19,0.28); }
}

/* ── Lightbox backdrop ────────────────────────────────────────── */
#gal-modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10,6,19,0.93);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.76,0,0.24,1);
}

@supports (backdrop-filter: blur(1px)) {
  #gal-modal {
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
  }
}

#gal-modal.is-open {
  opacity: 1;
  pointer-events: all;
}

/* ── Inner content ────────────────────────────────────────────── */
.gal-modal-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gal-modal-img-wrap img {
  display: block;
  max-width: calc(100vw - 130px); /* 65px clearance each side for arrows */
  max-height: 72svh;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0;               /* JS-controlled via inline style */
  will-change: transform, opacity;
}

/* ── Caption ──────────────────────────────────────────────────── */
.gal-modal-caption {
  margin-top: 20px;
  text-align: center;
  max-width: min(560px, 80vw);
}

.gal-modal-caption h2 {
  font-family: 'Boska', serif;
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 26px);
  color: #fff;
  margin: 0 0 7px;
  letter-spacing: 0.01em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease 0.14s, transform 0.4s ease 0.14s;
}

.gal-modal-caption p {
  font-family: 'Recia-Regular', serif;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin: 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease 0.22s, transform 0.4s ease 0.22s;
}

.gal-modal-caption.cap-visible h2,
.gal-modal-caption.cap-visible p {
  opacity: 1;
  transform: translateY(0);
}

/* ── Close button ─────────────────────────────────────────────── */
.gal-modal-close {
  position: fixed;
  top: 22px;
  right: 26px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(10,6,19,0.5);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5001;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.gal-modal-close:hover {
  border-color: rgba(255,255,255,0.32);
  background: rgba(255,255,255,0.05);
}

.gal-modal-close svg { width: 14px; height: 14px; }

/* ── Nav arrows ───────────────────────────────────────────────── */
.gal-modal-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(10,6,19,0.5);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5001;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, opacity 0.3s ease;
}

.gal-modal-nav:hover {
  border-color: rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.04);
  color: #fff;
}

.gal-modal-nav.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.gal-modal-prev { left: 18px; }
.gal-modal-next { right: 18px; }

.gal-modal-nav svg { width: 16px; height: 16px; }

/* ── Frame counter ────────────────────────────────────────────── */
.gal-modal-counter {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Recia-Regular', serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.22);
  z-index: 5001;
  pointer-events: none;
  white-space: nowrap;
}

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .gal-modal-nav { display: none; }

  .gal-modal-img-wrap img {
    max-width: 94vw;
    max-height: 65svh;
  }

  .gal-modal-close {
    top: 16px;
    right: 16px;
  }
}

/* ── Reduced motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  #gal-modal,
  .gal-item img,
  .gal-modal-caption h2,
  .gal-modal-caption p {
    transition: none;
  }

  .gal-modal-caption.cap-visible h2,
  .gal-modal-caption.cap-visible p {
    opacity: 1;
    transform: none;
  }
}

@media (hover: hover) and (prefers-reduced-motion: reduce) {
  .gal-item:hover img { transform: none; }
}