/* ==========================================================================
   JH Gallery — styles
   A dark, warm exhibition room: chocolate-black walls, ivory type, a little
   dark red. The warmth comes from the works themselves.
   ========================================================================== */

:root {
  --bg: #231c17;             /* warm chocolate black */
  --bg-raise: #2b231d;
  --ink: #eee5d8;            /* ivory */
  --ink-soft: #b4a696;
  --ink-faint: #9b8d7e;
  --hair: rgba(238, 229, 216, .12);

  --wall-2: #2a221c;         /* every other room, a shade lighter */
  --mat: #30271f;            /* mount around each work */
  --frame-edge: #4c3f35;     /* thin frame line */
  --spot: rgba(255, 214, 160, .11);

  --red: #9b2f33;            /* dark red, used sparingly */
  --red-ink: #cf6a64;        /* readable red for small text on dark */

  --font-serif: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --max: 1280px;
  --gutter: clamp(16px, 4vw, 56px);
  --col-gap: clamp(14px, 1.8vw, 28px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 64px; background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body:has(dialog[open]) { overflow: hidden; }

h1, h2, h3, p { margin: 0; font-weight: inherit; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: var(--red); color: var(--ink); }
:focus-visible { outline: 1px solid var(--red-ink); outline-offset: 4px; }

.frame {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Small sans annotations: dates, counts, labels */
.note {
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

/* ---------- Masthead ---------- */

.masthead {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  transition: background .5s var(--ease);
}
.masthead.is-solid {
  background: rgba(35, 28, 23, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 60px;
}
.wordmark {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: .02em;
  white-space: nowrap;
}
.masthead-inner { position: relative; }
.year-nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.year-links { display: flex; gap: clamp(14px, 2vw, 28px); }
.year-links a, .year-toggle { padding: 6px 0; transition: color .3s; }
.year-links a:hover, .year-toggle:hover, .year-toggle[aria-expanded="true"] { color: var(--ink); }

/* "All years" only appears when there are more years than fit */
.year-toggle { display: none; }
.year-nav.has-more .year-toggle { display: inline-flex; align-items: center; gap: 8px; }
.year-toggle::before {
  content: "";
  width: 1px;
  height: 12px;
  margin-right: clamp(6px, 1vw, 12px);
  background: var(--hair);
}

/* Year index panel */
.year-index {
  position: absolute;
  top: 100%;
  right: var(--gutter);
  width: min(400px, calc(100vw - 2 * var(--gutter)));
  max-height: 70vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 6px 20px;
  padding: 22px 24px 24px;
  background: rgba(35, 28, 23, .97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fade-in .3s var(--ease);
}
.year-index[hidden] { display: none; }
.year-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
}
.year-index-y {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--ink-soft);
  transition: color .3s;
  font-variant-numeric: lining-nums;
}
.year-index a:hover .year-index-y { color: var(--ink); }

/* ---------- Entrance ---------- */

.opening {
  position: relative;
  padding-top: clamp(104px, 11vw, 150px);
  background: radial-gradient(ellipse 70% 55% at 50% 45%, rgba(176, 110, 64, .12), transparent 70%);
}

.entrance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  padding-bottom: clamp(26px, 3vw, 40px);
  /* hairline under the content only, not the side gutters */
  background: linear-gradient(var(--hair), var(--hair)) center bottom / calc(100% - 2 * var(--gutter)) 1px no-repeat;
}
.kicker { color: var(--red-ink); margin-bottom: 14px; }
.site-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.8rem, 6.4vw, 5.6rem);
  line-height: .9;
  letter-spacing: -.015em;
}
.tagline {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  color: var(--ink-soft);
}
.entrance-facts { display: flex; gap: clamp(28px, 4vw, 56px); margin: 0 0 6px; }
.entrance-facts div { display: grid; gap: 4px; }
.entrance-facts dd {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  line-height: 1;
  font-variant-numeric: lining-nums;
}

/* Featured work hung centre stage, its label to the side */
.featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  align-items: end;
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(56px, 6vw, 88px);
}
.featured-hang { justify-self: center; }
.featured-hang img { max-height: max(300px, min(58svh, calc(100svh - 440px))); }

/* ---------- Hanging a work: spotlight, frame, mount ---------- */

/* The spotlight reaches 25% past each frame. On phones the frames fill the
   width, so without this the glow widens the page and pushes the fixed
   header's year links off-screen. `clip` (not `hidden`) adds no scroll box. */
.opening, .timeline { overflow-x: clip; }

.hang {
  position: relative;
  display: block;
  width: fit-content;
  max-width: 100%;
  isolation: isolate;
}
/* A warm pool of light on the wall, cast from above */
.hang::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -25%;
  right: -25%;
  top: -38%;
  height: 120%;
  background: radial-gradient(closest-side, var(--spot), transparent);
  pointer-events: none;
  transition: opacity .8s var(--ease);
  opacity: .8;
}
.mount {
  display: block;
  padding: clamp(8px, 1.1vw, 16px);
  background: var(--mat);
  border: 1px solid var(--frame-edge);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, .35),
    0 1px 0 rgba(255, 255, 255, .03),
    0 34px 60px -18px rgba(0, 0, 0, .75),
    0 10px 18px -8px rgba(0, 0, 0, .5);
  transition: transform .8s var(--ease), box-shadow .8s var(--ease);
}
.mount img {
  width: auto;
  max-width: 100%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .5);
  opacity: .94;
  transition: opacity .6s var(--ease);
}
a:hover > .hang::before, a.hang:hover::before { opacity: 1.4; }
a:hover > .hang .mount, a.hang:hover .mount { transform: translateY(-3px); }
a:hover > .hang img, a.hang:hover img { opacity: 1; }

/* ---------- Wall label (museum placard) ---------- */

.wall-label {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--hair);
}
.label-no { color: var(--ink-soft); }
.label-no .sample, .kicker .sample { color: var(--red-ink); }
.label-title {
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.3vw, 1.32rem);
  font-weight: 400;
  line-height: 1.15;
  transition: color .3s;
}
.label-meta { font-size: .82rem; color: var(--ink-soft); }
.label-medium { font-family: var(--font-serif); font-style: italic; font-size: .98rem; color: var(--ink-faint); }
.label-meta:empty { display: none; }
.label-original { font-family: var(--font-serif); font-style: italic; font-size: 1rem; color: var(--ink-soft); }
a:hover .label-title, .wall-label:hover .label-title { color: var(--red-ink); }
.featured-label .go { margin-top: 10px; color: var(--ink-soft); }
.featured-label .go::after { content: " →"; letter-spacing: 0; }

/* ---------- Rooms: one per year ---------- */

.timeline { padding-top: clamp(88px, 10vw, 140px); }

.room { padding: clamp(72px, 8vw, 120px) 0 clamp(88px, 10vw, 140px); }
.room:nth-child(even) {
  background: var(--wall-2);
  box-shadow: inset 0 1px 0 var(--hair), inset 0 -1px 0 var(--hair);
}

.room-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas: "no no" "year sub";
  align-items: end;
  column-gap: clamp(18px, 2.4vw, 36px);
  row-gap: 10px;
  padding-bottom: 22px;
  margin-bottom: clamp(56px, 6vw, 88px);
  border-bottom: 1px solid var(--hair);
}
.room-no { grid-area: no; color: var(--red-ink); }
.room-head h2 {
  grid-area: year;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3rem, 5.6vw, 4.8rem);
  line-height: .85;
  letter-spacing: -.015em;
  font-variant-numeric: lining-nums;
}
.room-sub { grid-area: sub; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; padding-bottom: 6px; }
.room-tags { font-family: var(--font-serif); font-style: italic; color: var(--ink-faint); }

/* Works hung at a shared eye line. Column start/span come from script.js,
   chosen by each work's orientation and a repeating rhythm. */
.plates {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--col-gap);
  row-gap: clamp(72px, 8vw, 120px);
  align-items: center;
}

.plate {
  grid-column: var(--start) / span var(--span);
  display: grid;
  gap: 22px;
  width: fit-content;
  max-width: 100%;
}
.plate.is-end { justify-self: end; }
.plate .mount img { max-height: 64vh; }
/* Label never widens the plate beyond its frame */
.plate .wall-label { width: 0; min-width: calc(100% - 15px); }

.empty { color: var(--ink-soft); font-style: italic; }

/* ---------- Footer ---------- */

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: clamp(96px, 11vw, 160px);
  padding-bottom: 36px;
  font-size: .78rem;
  color: var(--ink-faint);
}
.site-footer a:hover { color: var(--ink); }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Viewer (immersive) ---------- */

.viewer {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #0e0b09;
  color: var(--ink);
  overflow: hidden;
}
.viewer[open] {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  animation: fade-in .45s var(--ease);
}
.viewer::backdrop { background: #0e0b09; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.viewer-stage { position: relative; min-height: 0; }
.viewer-frames { position: absolute; inset: 0; }

.viewer-frame {
  position: absolute;
  inset: 0;
  display: flex;
  padding: 64px clamp(16px, 6vw, 96px) 24px;
  overflow: hidden;
  animation: fade-in .5s var(--ease);
  touch-action: pan-y pinch-zoom;
}
/* margin:auto centres the media yet keeps all of it reachable when zoomed */
.viewer-frame > img,
.viewer-frame > video {
  margin: auto;
  max-width: 100%;
  max-height: 100%;
}
.viewer-frame > img { cursor: zoom-in; user-select: none; -webkit-user-drag: none; }
.viewer-frame > video { background: #000; }

.viewer-frame.is-zoomed {
  overflow: auto;
  padding: 0;
  touch-action: auto;
  cursor: grab;
  scrollbar-width: none;
}
.viewer-frame.is-zoomed::-webkit-scrollbar { display: none; }
.viewer-frame.is-zoomed > img { max-width: none; max-height: none; cursor: zoom-out; }
.viewer-frame.is-dragging { cursor: grabbing; }

/* Quiet play button: a thin ring with a small triangle */
.play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid rgba(238, 229, 216, .55);
  background: rgba(14, 11, 9, .28);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  transition: border-color .3s, background .3s, transform .4s var(--ease);
}
.play-btn:hover { border-color: var(--ink); background: rgba(14, 11, 9, .5); transform: scale(1.05); }
.play-btn svg { width: 18px; height: 18px; fill: var(--ink); margin-left: 3px; }

.viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 96px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  opacity: .7;
  transition: opacity .3s, color .3s;
  z-index: 2;
}
.viewer-nav:hover { opacity: 1; color: var(--ink); }
.viewer-nav[hidden] { display: none; }
.viewer-prev { left: 4px; }
.viewer-next { right: 4px; }
.viewer-nav svg, .viewer-close svg {
  width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.2;
  stroke-linecap: round; stroke-linejoin: round;
}

.viewer-close {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  right: max(10px, env(safe-area-inset-right));
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  z-index: 5;
  transition: color .3s;
}
.viewer-close:hover { color: var(--ink); }

.viewer-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px 48px;
  padding: 18px clamp(16px, 6vw, 96px) max(24px, env(safe-area-inset-bottom));
  max-height: 40vh;
  overflow-y: auto;
  transition: opacity .6s var(--ease), max-height .6s var(--ease), padding .6s var(--ease);
}
.viewer-caption { max-width: 62ch; }
.viewer-title {
  margin-top: 6px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 1.9vw, 1.75rem);
  line-height: 1.08;
}
.viewer-desc { margin-top: 10px; color: var(--ink-soft); font-size: .9rem; }
.viewer-desc:empty { display: none; }
.viewer-original { margin-top: 4px; font-family: var(--font-serif); font-style: italic; color: var(--ink-soft); }
.viewer-original:empty { display: none; }

.viewer-side { display: grid; justify-items: end; gap: 12px; flex: none; }
.viewer-count { color: var(--ink-faint); }

.viewer-thumbs { display: flex; gap: 10px; }
.viewer-thumbs:empty { display: none; }
.thumb {
  position: relative;
  flex: none;
  height: 44px;
  padding-bottom: 6px;
  opacity: .4;
  transition: opacity .3s;
}
.thumb img { height: 100%; width: auto; }
.thumb::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: transparent;
  transition: background .3s;
}
.thumb:hover { opacity: .8; }
.thumb[aria-current="true"] { opacity: 1; }
.thumb[aria-current="true"]::after { background: var(--red-ink); }
.thumb .glyph {
  position: absolute;
  inset: 0 0 6px;
  display: grid;
  place-items: center;
}
.thumb .glyph svg { width: 10px; height: 10px; fill: var(--ink); filter: drop-shadow(0 0 3px rgba(0, 0, 0, .8)); }

/* While a video plays, captions step aside so the film has the room */
.viewer.is-playing .viewer-bar { opacity: 0; max-height: 0; padding-top: 0; padding-bottom: 0; pointer-events: none; }
.viewer.is-playing .viewer-nav { opacity: 0; }
.viewer.is-playing .viewer-nav:hover,
.viewer.is-playing .viewer-nav:focus-visible { opacity: .7; }
.viewer.is-playing .viewer-frame { padding-top: 56px; padding-bottom: 16px; }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .entrance { grid-template-columns: 1fr; }
  .featured { grid-template-columns: 1fr; }
  .featured-hang img { max-height: 60svh; }

  /* Phones: one work per row, alternating widths and sides for rhythm */
  .plates { display: flex; flex-direction: column; row-gap: 56px; }
  .plate, .plate.is-end { width: auto; max-width: none; align-self: flex-start; }
  .plate.m-port { width: 72%; }
  .plate.m-sq { width: 82%; }
  .plate.m-right { align-self: flex-end; }
  .hang { width: 100%; }
  .plate .mount img, .featured-hang img { width: 100%; max-height: none; opacity: 1; }

  .room-head { margin-bottom: 40px; }

  .viewer-frame { padding: 56px 0 12px; }
  .viewer-bar { flex-direction: column; align-items: stretch; gap: 14px; max-height: 36dvh; padding-top: 14px; }
  .viewer-side { justify-items: start; order: -1; grid-auto-flow: column; align-items: center; justify-content: space-between; }
  .viewer-thumbs { overflow-x: auto; scrollbar-width: none; max-width: 78vw; }
  .viewer-thumbs::-webkit-scrollbar { display: none; }
  .viewer-nav { width: 44px; height: 72px; }
  .viewer-prev { left: 0; }
  .viewer-next { right: 0; }
  .site-footer { flex-direction: column; }
}

@media (hover: none) {
  .mount img { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Close button gets focus when the viewer opens; keep its ring quiet */
.viewer-close { border-radius: 50%; }
.viewer-close:focus-visible { outline-color: rgba(238, 229, 216, .35); outline-offset: 0; }

/* Phones: two recent years in the header, the rest in the index */
@media (max-width: 600px) {
  .year-links a:nth-child(n + 3) { display: none; }
  .year-nav.has-index .year-toggle { display: inline-flex; align-items: center; gap: 8px; }
  .year-index { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); }
  /* "All years" → "All", and tighter gaps, so it fits beside two years */
  .year-toggle-more { display: none; }
  .year-nav, .year-links { gap: 14px; }
  .year-toggle::before { margin-right: 2px; }
}