/* =============================================================
   GALLERY — interactive, editorial upgrade
   Builds on subpages.css .gal-* scaffolding. Adds: lightbox,
   intersection-observer reveals, chapter parallax, scroll-linked
   index counter, hover polish, kinetic dividers.
   ============================================================= */

/* --- Hero ribbon: animated photo index in the corner --- */
.gal-index {
  position: fixed;
  right: 28px;
  bottom: 26px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(10, 14, 26, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s ease;
  pointer-events: none;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.gal-index.visible { opacity: 1; transform: translateY(0); }
.gal-index .gi-num {
  font-family: var(--serif);
  font-weight: 500;
  font-style: italic;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--pink);
  min-width: 28px;
  text-align: right;
  line-height: 1;
}
.gal-index .gi-total {
  font-family: var(--serif);
  font-style: italic;
  color: rgba(244, 236, 224, 0.6);
  font-size: 14px;
  line-height: 1;
}
.gal-index .gi-sep { color: rgba(244, 236, 224, 0.3); line-height: 1; }
.gal-index .gi-label { color: rgba(244, 236, 224, 0.55); font-size: 10px; }

/* --- Chapter kinetic divider (wavy hairline between chapters) --- */
.gal-divider {
  display: block;
  width: 100%;
  max-width: 1300px;
  margin: 60px auto 0;
  padding: 0 40px;
  overflow: hidden;
  pointer-events: none;
}
.gal-divider svg { width: 100%; height: 36px; display: block; }
.gal-divider path {
  stroke: url(#gdGrad);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}
.gal-divider.in-view path {
  animation: gdDraw 2.4s cubic-bezier(.22,.61,.36,1) forwards;
}
@keyframes gdDraw { to { stroke-dashoffset: 0; } }

/* --- Chapter number: floating roman next to the column, big & italic --- */
.gal-chapter-head {
  position: relative;
  padding-top: 12px;
}
.gal-chapter-head::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -40px;
  width: 1px;
  height: 38px;
  background: linear-gradient(180deg, transparent, rgba(255, 63, 143, 0.5));
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity .6s ease .2s;
}
.gal-chapter.in-view .gal-chapter-head::before { opacity: 1; }

.gal-roman {
  font-size: clamp(60px, 9vw, 112px) !important;
  line-height: 0.9 !important;
  margin-bottom: 8px !important;
  background: linear-gradient(180deg, var(--pink) 0%, rgba(255, 63, 143, 0.25) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 12px 28px rgba(255, 63, 143, 0.25));
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.22, .61, .36, 1);
}
.gal-chapter:nth-of-type(odd) .gal-roman {
  background: linear-gradient(180deg, var(--teal) 0%, rgba(94, 240, 217, 0.25) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 12px 28px rgba(94, 240, 217, 0.25));
}
.gal-chapter.in-view .gal-roman { opacity: 1; transform: translateY(0); }

.gal-chap-title, .gal-chap-lede {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .8s ease .15s, transform .8s cubic-bezier(.22, .61, .36, 1) .15s;
}
.gal-chap-lede {
  transition-delay: .3s;
}
.gal-chapter.in-view .gal-chap-title,
.gal-chapter.in-view .gal-chap-lede {
  opacity: 1;
  transform: translateY(0);
}

/* --- Photo reveal: staggered fade/rise/scale --- */
.gal-photo {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  transition: opacity .9s cubic-bezier(.22, .61, .36, 1),
              transform .9s cubic-bezier(.22, .61, .36, 1),
              border-color .35s ease,
              box-shadow .5s ease;
  will-change: transform, opacity;
  cursor: zoom-in;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.gal-photo.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* Cascade delays — first 8 items per chapter */
.gal-chapter .gal-photo:nth-child(1) { transition-delay: 0s; }
.gal-chapter .gal-photo:nth-child(2) { transition-delay: .08s; }
.gal-chapter .gal-photo:nth-child(3) { transition-delay: .16s; }
.gal-chapter .gal-photo:nth-child(4) { transition-delay: .24s; }
.gal-chapter .gal-photo:nth-child(5) { transition-delay: .32s; }
.gal-chapter .gal-photo:nth-child(6) { transition-delay: .40s; }
.gal-chapter .gal-photo:nth-child(7) { transition-delay: .48s; }

/* --- Photo tile hover polish (layered on top of subpages.css) --- */
.gal-photo:hover {
  box-shadow: 0 28px 60px rgba(255, 63, 143, 0.22), 0 10px 20px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 63, 143, 0.5);
}
.gal-photo img {
  transition: transform 1.2s cubic-bezier(.22, .61, .36, 1),
              filter .5s ease;
  filter: saturate(0.92);
}
.gal-photo:hover img {
  transform: scale(1.06);
  filter: saturate(1.05);
}

/* Magnifier cursor hint — appears on hover, center of image */
.gal-photo::after {
  content: "";
  position: absolute;
  top: 14px; right: 14px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f4ecd0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.3-4.3'/><path d='M11 8v6M8 11h6'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transform: scale(0.8) translateY(-4px);
  transition: opacity .35s ease, transform .35s cubic-bezier(.22, .61, .36, 1);
  pointer-events: none;
  z-index: 3;
}
.gal-photo:hover::after {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Caption: richer reveal with pink rule */
.gal-photo figcaption {
  background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 26, 0) 30%, rgba(10, 14, 26, 0.92) 100%) !important;
}
.gal-photo .cap-label {
  position: relative;
}
.gal-photo .cap-label::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--pink);
  transition: width .6s cubic-bezier(.22, .61, .36, 1) .1s;
}
.gal-photo:hover .cap-label::after { width: 100%; }

/* --- Lightbox modal --- */
.gl-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  background: rgba(4, 6, 14, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  transition: opacity .5s ease;
}
.gl-lightbox.open {
  display: flex;
  align-items: center;
  justify-content: center;
}
.gl-lightbox.visible { opacity: 1; }

.gl-stage {
  position: relative;
  width: min(92vw, 1400px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  transform: scale(0.94);
  opacity: 0;
  transition: transform .65s cubic-bezier(.22, .61, .36, 1),
              opacity .5s ease;
}
.gl-lightbox.visible .gl-stage { transform: scale(1); opacity: 1; }

.gl-img-wrap {
  position: relative;
  max-width: 100%;
  max-height: 74vh;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6),
              0 0 0 1px rgba(255, 255, 255, 0.08);
}
.gl-img {
  display: block;
  max-width: 100%;
  max-height: 74vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.gl-caption {
  max-width: 820px;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--cream-soft);
  font-size: 16px;
  line-height: 1.5;
  padding: 0 20px;
}
.gl-caption .cap-label {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--pink);
  font-style: normal;
  margin-bottom: 6px;
}

/* Close button */
.gl-close {
  position: absolute;
  top: 24px; right: 28px;
  width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  color: var(--cream);
  font-size: 20px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s ease, transform .3s ease, border-color .3s ease;
  z-index: 2;
}
.gl-close:hover {
  background: var(--pink);
  border-color: var(--pink);
  transform: rotate(90deg);
}

/* Prev / Next arrows */
.gl-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(10px);
  color: var(--cream);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
  z-index: 2;
}
.gl-nav:hover {
  background: var(--pink);
  border-color: var(--pink);
}
.gl-nav svg { width: 22px; height: 22px; }
.gl-prev { left: 32px; }
.gl-next { right: 32px; }
.gl-prev:hover { transform: translateY(-50%) translateX(-3px); }
.gl-next:hover { transform: translateY(-50%) translateX(3px); }

/* Counter in lightbox */
.gl-counter {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(244, 236, 224, 0.7);
  z-index: 2;
}
.gl-counter .cur { color: var(--pink); font-family: var(--serif); font-style: italic; font-size: 16px; }

/* Body lock while lightbox open */
body.gl-lock { overflow: hidden; }

/* --- Image parallax (subtle intra-tile shift) --- */
.gal-photo {
  overflow: hidden;
}
.gal-photo img {
  transform-origin: center center;
}

/* --- Gallery hero hero-shot wave in subpage-hero --- */
body.gallery-page .subpage-hero h1 {
  position: relative;
  font-size: clamp(48px, 7vw, 108px);
}
/* Underline removed per design feedback */

/* Responsive lightbox */
@media (max-width: 700px) {
  .gl-prev { left: 12px; }
  .gl-next { right: 12px; }
  .gl-nav { width: 44px; height: 44px; }
  .gl-close { top: 16px; right: 16px; }
  .gl-counter { top: 20px; font-size: 10px; }
  .gal-index { right: 12px; bottom: 12px; padding: 8px 12px; font-size: 10px; }
  .gal-index .gi-num { font-size: 16px; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .gal-photo, .gal-roman, .gal-chap-title, .gal-chap-lede, .gal-divider path {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .gal-photo img, .gl-stage { transition: none !important; }
}