/* ═══════════════════════════════════════════════════════════════
   PARK CITY 3 & 4 — GALLERY · "THE ARCHIVE"
   Editorial mosaic · Cinematic lightbox · Cream luxury
   Requires styles.css (design tokens, nav, footer)
   ═══════════════════════════════════════════════════════════════ */

.gpage { background: var(--bone); }

/* ─────────────────────────────────────────────
   1. HERO — living collage
   ───────────────────────────────────────────── */
.ghero {
  position: relative;
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 160px var(--pad-x) 120px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, var(--cream-100), transparent 70%),
    var(--bone);
}

/* floating photo cards behind the type */
.ghero__collage { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.ghero__card {
  position: absolute;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: var(--sh-soft);
  opacity: 0;
  transform: translateY(40px) rotate(var(--tilt, 0deg)) scale(0.96);
  transition: opacity 1.2s var(--e-soft), transform 1.4s var(--e-soft);
  will-change: transform;
}
.ghero__card img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.02);
}
.ghero__card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--bone) 55%, transparent));
}
.gpage.is-hero-in .ghero__card {
  opacity: 1;
  transform: translateY(var(--drift, 0px)) rotate(var(--tilt, 0deg)) scale(1);
}
.ghero__card--a { --tilt: -3.5deg; top: 12%;  left: 4%;   width: clamp(150px, 17vw, 280px); aspect-ratio: 4/5; }
.ghero__card--b { --tilt: 2.5deg;  top: 8%;   right: 6%;  width: clamp(160px, 19vw, 310px); aspect-ratio: 4/3; }
.ghero__card--c { --tilt: -2deg;   bottom: 10%; left: 9%; width: clamp(140px, 15vw, 250px); aspect-ratio: 3/4; }
.ghero__card--d { --tilt: 3deg;    bottom: 8%; right: 10%; width: clamp(150px, 17vw, 270px); aspect-ratio: 4/3; }
.ghero__card--e { --tilt: -1.5deg; top: 42%;  right: 1%;  width: clamp(110px, 11vw, 190px); aspect-ratio: 3/4; }

.ghero__content { position: relative; z-index: 2; max-width: 900px; }

.ghero__eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--f-sans);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--brass-deep);
  margin-bottom: 36px;
}
.ghero__eyebrow-line {
  width: 0; height: 1px;
  background: linear-gradient(90deg, var(--brass), transparent);
  animation: gLineGrow 1.1s var(--e-soft) 0.3s forwards;
}
@keyframes gLineGrow { to { width: 44px; } }

.ghero__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(48px, 9.5vw, 128px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 34px;
}
.ghero__title-line { display: block; overflow: hidden; }
.ghero__title-line > span {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 1.1s var(--e-soft);
}
.ghero__title-line--italic > span {
  font-family: var(--f-italic); font-style: italic;
  color: var(--brass-deep);
}
.gpage.is-hero-in .ghero__title-line > span { transform: translateY(0); }
.gpage.is-hero-in .ghero__title-line:nth-child(2) > span { transition-delay: 0.14s; }

.ghero__lede {
  font-size: clamp(17px, 1.9vw, 23px);
  line-height: 1.55;
  color: var(--taupe);
  margin-bottom: 52px;
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.9s var(--e-soft) 0.5s, transform 0.9s var(--e-soft) 0.5s;
}
.gpage.is-hero-in .ghero__lede { opacity: 1; transform: translateY(0); }

/* chapter chips */
.ghero__chapters {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px;
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.9s var(--e-soft) 0.7s, transform 0.9s var(--e-soft) 0.7s;
}
.gpage.is-hero-in .ghero__chapters { opacity: 1; transform: translateY(0); }
.ghero__chip {
  display: inline-flex; align-items: baseline; gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--hairline);
  border-radius: 100px;
  background: color-mix(in srgb, var(--bone) 80%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--f-display);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.01em;
  transition: border-color 0.4s var(--e-soft), background 0.4s var(--e-soft), transform 0.4s var(--e-soft), color 0.3s ease;
}
.ghero__chip:hover {
  border-color: var(--brass);
  background: var(--cream-100);
  color: var(--brass-deep);
  transform: translateY(-2px);
}
.ghero__chip em {
  font-family: var(--f-italic); font-style: italic;
  font-size: 12px; color: var(--brass);
}
.ghero__chip b {
  font-family: var(--f-sans); font-weight: 500;
  font-size: 10px; letter-spacing: 0.1em;
  color: var(--taupe-mid);
  font-variant-numeric: tabular-nums;
}

.ghero__scroll {
  position: absolute; left: 50%; bottom: 28px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--taupe-pale);
  z-index: 2;
}
.ghero__scroll svg { color: var(--brass); animation: gScrollPulse 2s ease-in-out infinite; }
@keyframes gScrollPulse {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50%      { transform: translateY(6px); opacity: 1; }
}

@media (max-width: 720px) {
  .ghero { padding: 130px var(--pad-x) 110px; min-height: 92vh; }
  .ghero__br { display: none; }
  .ghero__card--e { display: none; }
  .ghero__card { opacity: 0; }
  .gpage.is-hero-in .ghero__card { opacity: 0.5; }
  .ghero__chip { padding: 10px 16px; font-size: 13px; }
}

/* ─────────────────────────────────────────────
   3. CHAPTERS
   ───────────────────────────────────────────── */
.gchapter {
  padding: var(--pad-section) var(--pad-x);
  position: relative;
}
.gchapter--tint { background: var(--cream-50); }

.gchapter__head {
  max-width: var(--max-w);
  margin: 0 auto clamp(48px, 7vh, 88px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.gchapter__num {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(90px, 14vw, 200px);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--brass) 55%, transparent);
  user-select: none;
}
.gchapter__intro { padding-top: clamp(8px, 2vw, 28px); }
.gchapter__title {
  font-family: var(--f-display);
  font-size: clamp(36px, 5.4vw, 76px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 16px 0 18px;
}
.gchapter__title em { color: var(--brass-deep); }
.gchapter__lede {
  font-family: var(--f-serif);
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 52ch;
}

@media (max-width: 640px) {
  .gchapter__head { grid-template-columns: 1fr; gap: 8px; }
  .gchapter__num { font-size: 72px; }
}

/* ─────────────────────────────────────────────
   4. MOSAIC GRID
   6-column editorial mosaic on desktop,
   2-column on mobile, pattern via nth-child.
   ───────────────────────────────────────────── */
.gmosaic {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: clamp(150px, 20vw, 280px);
  grid-auto-flow: dense;
  gap: clamp(10px, 1.4vw, 20px);
}

/* repeating 8-frame curation pattern */
.gmosaic .gframe:nth-child(8n+1) { grid-column: span 4; grid-row: span 2; } /* feature */
.gmosaic .gframe:nth-child(8n+2) { grid-column: span 2; grid-row: span 1; }
.gmosaic .gframe:nth-child(8n+3) { grid-column: span 2; grid-row: span 1; }
.gmosaic .gframe:nth-child(8n+4) { grid-column: span 2; grid-row: span 2; } /* tall */
.gmosaic .gframe:nth-child(8n+5) { grid-column: span 2; grid-row: span 1; }
.gmosaic .gframe:nth-child(8n+6) { grid-column: span 2; grid-row: span 1; }
.gmosaic .gframe:nth-child(8n+7) { grid-column: span 3; grid-row: span 1; } /* wide */
.gmosaic .gframe:nth-child(8n+8) { grid-column: span 3; grid-row: span 1; } /* wide */

/* the frame */
.gframe {
  position: relative;
  overflow: hidden;
  background: var(--cream-100);
  cursor: pointer;
  border-radius: 2px;
  /* reveal state */
  opacity: 0;
  transform: translateY(28px);
  clip-path: inset(8% 8% 8% 8%);
  transition:
    opacity 0.9s var(--e-soft),
    transform 0.9s var(--e-soft),
    clip-path 1.1s var(--e-soft),
    box-shadow 0.5s var(--e-soft);
}
.gframe.is-in {
  opacity: 1;
  transform: translateY(0);
  clip-path: inset(0 0 0 0);
}
.gframe:hover { box-shadow: var(--sh-lift); z-index: 2; }

.gframe__media {
  position: absolute; inset: 0;
  overflow: hidden;
}
.gframe__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.02);
  transform: scale(1.02);
  transition: transform 1.3s var(--e-soft), filter 0.6s ease, opacity 0.6s ease;
  opacity: 0;
}
.gframe__media img.is-loaded { opacity: 1; }
.gframe:hover .gframe__media img { transform: scale(1.07); }

/* shimmer while loading */
.gframe__media::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--cream-100) 30%, var(--travertine) 50%, var(--cream-100) 70%);
  background-size: 200% 100%;
  animation: gShimmer 1.6s linear infinite;
}
@keyframes gShimmer { to { background-position: -200% 0; } }

/* caption veil */
.gframe__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 2;
  display: flex; align-items: baseline; gap: 12px;
  padding: 40px 18px 14px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--ink) 62%, transparent));
  color: var(--bone);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--e-soft), transform 0.5s var(--e-soft);
  pointer-events: none;
}
.gframe:hover .gframe__cap,
.gframe:focus-visible .gframe__cap { opacity: 1; transform: translateY(0); }
.gframe__idx {
  font-family: var(--f-italic); font-style: italic;
  font-size: 12px; color: var(--brass-pale);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.gframe__title {
  font-family: var(--f-display);
  font-size: 15px; font-weight: 500;
  letter-spacing: 0.01em;
}

/* brass corner tick on hover — quiet signature */
.gframe::after {
  content: '';
  position: absolute; top: 12px; right: 12px;
  width: 18px; height: 18px;
  border-top: 1px solid var(--brass-pale);
  border-right: 1px solid var(--brass-pale);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 0.4s ease, transform 0.5s var(--e-soft);
  z-index: 3;
}
.gframe:hover::after { opacity: 1; transform: translate(0, 0); }

/* keyboard access */
.gframe:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* mosaic — tablet & mobile */
@media (max-width: 980px) {
  .gmosaic {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: clamp(140px, 26vw, 220px);
    gap: 10px;
  }
  .gmosaic .gframe:nth-child(8n+1) { grid-column: span 2; grid-row: span 2; }
  .gmosaic .gframe:nth-child(8n+2),
  .gmosaic .gframe:nth-child(8n+3),
  .gmosaic .gframe:nth-child(8n+5),
  .gmosaic .gframe:nth-child(8n+6) { grid-column: span 1; grid-row: span 1; }
  .gmosaic .gframe:nth-child(8n+4) { grid-column: span 1; grid-row: span 2; }
  .gmosaic .gframe:nth-child(8n+7),
  .gmosaic .gframe:nth-child(8n+8) { grid-column: span 2; grid-row: span 1; }
  /* captions always visible on touch */
  .gframe__cap { opacity: 1; transform: translateY(0); padding: 30px 12px 10px; }
  .gframe__title { font-size: 13px; }
  .gframe__idx { font-size: 11px; }
}

/* ─────────────────────────────────────────────
   5. CLOSING NOTE
   ───────────────────────────────────────────── */
.gclose {
  padding: clamp(80px, 12vh, 140px) var(--pad-x);
  text-align: center;
  background: var(--bone);
}
.gclose__note {
  font-size: clamp(20px, 2.6vw, 32px);
  color: var(--taupe);
  margin-bottom: 32px;
}
.gclose__cta {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--f-display);
  font-size: 17px; font-weight: 500;
  color: var(--brass-deep);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--brass);
  transition: gap 0.4s var(--e-soft), color 0.3s ease;
}
.gclose__cta:hover { gap: 24px; color: var(--ink); }
.gclose__cta svg { transition: transform 0.4s var(--e-soft); }
.gclose__cta:hover svg { transform: translateX(4px); }

/* ─────────────────────────────────────────────
   6. LIGHTBOX — cinematic viewer
   ───────────────────────────────────────────── */
.glb {
  position: fixed; inset: 0;
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.5s var(--e-soft), visibility 0.5s var(--e-soft);
}
.glb.is-open { opacity: 1; visibility: visible; }

.glb__backdrop {
  position: absolute; inset: 0;
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  cursor: zoom-out;
  overflow: hidden;
}
.glb__blur {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: blur(60px) brightness(0.35) saturate(1.1);
  transform: scale(1.2);
  opacity: 0.7;
  transition: opacity 0.6s ease;
}

.glb__stage {
  position: relative; z-index: 2;
  width: min(92vw, 1200px);
  display: flex; flex-direction: column; align-items: center;
  gap: 20px;
  pointer-events: none;
}
.glb__frame {
  position: relative;
  max-width: 100%;
  display: grid; place-items: center;
}
.glb__img {
  max-width: 100%;
  max-height: min(74vh, 74dvh);
  width: auto; height: auto;
  border-radius: 2px;
  box-shadow: 0 60px 140px -40px rgba(0,0,0,0.7);
  opacity: 0;
  transform: scale(0.97) translateY(8px);
  transition: opacity 0.5s var(--e-soft), transform 0.6s var(--e-soft);
  pointer-events: auto;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: pan-y;
}
.glb__img.is-ready { opacity: 1; transform: scale(1) translateY(0); }
.glb__img.is-leaving-next { opacity: 0; transform: translateX(-24px) scale(0.98); transition-duration: 0.25s; }
.glb__img.is-leaving-prev { opacity: 0; transform: translateX(24px) scale(0.98); transition-duration: 0.25s; }

.glb__spin {
  position: absolute;
  width: 30px; height: 30px;
  border: 2px solid color-mix(in srgb, var(--bone) 20%, transparent);
  border-top-color: var(--brass-pale);
  border-radius: 50%;
  animation: glbSpin 0.8s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.glb.is-loading .glb__spin { opacity: 1; }
@keyframes glbSpin { to { transform: rotate(360deg); } }

.glb__cap {
  display: flex; align-items: baseline; gap: 18px;
  flex-wrap: wrap; justify-content: center;
  color: var(--bone);
}
.glb__chapter {
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--brass-pale);
}
.glb__title {
  font-family: var(--f-display);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 400; letter-spacing: -0.01em;
}
.glb__count {
  font-family: var(--f-italic); font-style: italic;
  font-size: 13px;
  color: color-mix(in srgb, var(--bone) 55%, transparent);
  font-variant-numeric: tabular-nums;
}

/* buttons */
.glb__btn {
  position: absolute; z-index: 3;
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border: 1px solid color-mix(in srgb, var(--bone) 22%, transparent);
  border-radius: 50%;
  color: var(--bone);
  background: color-mix(in srgb, var(--ink) 40%, transparent);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.4s var(--e-soft);
}
.glb__btn svg { width: 20px; height: 20px; }
.glb__btn:hover { border-color: var(--brass-pale); background: color-mix(in srgb, var(--brass) 25%, transparent); }
.glb__btn:active { transform: scale(0.92); }
.glb__close { top: 22px; right: 22px; }
.glb__prev  { left: 22px;  top: 50%; transform: translateY(-50%); }
.glb__next  { right: 22px; top: 50%; transform: translateY(-50%); }
.glb__prev:active { transform: translateY(-50%) scale(0.92); }
.glb__next:active { transform: translateY(-50%) scale(0.92); }

/* archive progress line */
.glb__progress {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; z-index: 3;
  background: color-mix(in srgb, var(--bone) 10%, transparent);
}
.glb__progress span {
  display: block; height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--brass-deep), var(--brass-pale));
  transition: width 0.5s var(--e-soft);
}

@media (max-width: 720px) {
  .glb__stage { width: 94vw; gap: 14px; }
  .glb__img { max-height: 66dvh; }
  .glb__btn { width: 44px; height: 44px; }
  .glb__close { top: max(14px, env(safe-area-inset-top)); right: 14px; }
  .glb__prev { left: 10px; }
  .glb__next { right: 10px; }
  .glb__cap { gap: 10px; padding: 0 12px; text-align: center; }
}

/* ─────────────────────────────────────────────
   7. CURSOR — "View" follower (desktop, fine pointer)
   ───────────────────────────────────────────── */
.gcursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 950;
  width: 76px; height: 76px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--brass-deep) 92%, transparent);
  color: var(--bone);
  font-family: var(--f-italic); font-style: italic;
  font-size: 14px;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.4);
  transition: opacity 0.3s ease, transform 0.4s var(--e-elastic);
  will-change: transform;
}
.gcursor.is-active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
@media (hover: none), (pointer: coarse) {
  .gcursor { display: none; }
}

/* ─────────────────────────────────────────────
   8. REDUCED MOTION
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .ghero__card,
  .ghero__title-line > span,
  .ghero__lede,
  .ghero__chapters,
  .gframe { opacity: 1 !important; transform: none !important; clip-path: none !important; transition: none !important; }
  .ghero__eyebrow-line { width: 44px; animation: none; }
  .gframe__media::before { animation: none; }
  .gcursor { display: none; }
  .glb__img { transition: opacity 0.2s ease; }
}