/* Absented catalogue — shared styles */
:root {
  --paper: #f4f2ee;
  --surface: #ffffff;
  --ink: #2b2b2b;
  --muted: #6d6a65;
  --line: #dcd8d1;
  --accent: #4a4a4a;
  --display: 'Oswald', 'Arial Narrow', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --top-h: 56px;
  --pager-h: 64px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 var(--body);
  padding-left: var(--safe-l);
  padding-right: var(--safe-r);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
[hidden] { display: none !important; }
[lang="ar"] { font-family: 'Geeza Pro', 'Segoe UI', Tahoma, 'Noto Naskh Arabic', sans-serif; }

.skip { position: absolute; left: 12px; top: -80px; z-index: 50; background: var(--surface); padding: 10px 14px; border: 1px solid var(--line); }
.skip:focus { top: calc(12px + var(--safe-t)); }

/* ---------- Home ---------- */
.home .hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  width: min(1240px, 100% - 32px);
  margin-inline: auto;
  padding-block: calc(clamp(32px, 6vw, 80px) + var(--safe-t)) clamp(32px, 5vw, 64px);
}
.eyebrow { margin: 0 0 12px; font: 500 13px/1.2 var(--display); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.home h1 { margin: 0 0 20px; font: 500 clamp(48px, 7vw, 96px)/1 var(--display); letter-spacing: .02em; text-transform: uppercase; }
.home h1 [lang="ar"] { display: block; text-align: left; font-size: .5em; font-weight: 400; margin-top: 10px; text-transform: none; }
.hero-info { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.hero-artists { margin: 0 0 28px; font: 400 15px/1.6 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 24px;
  background: var(--ink); color: #fff; border: 1px solid var(--ink);
  font: 500 14px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; text-decoration: none;
}
.button:hover { background: #000; }
.button-ghost { background: transparent; color: var(--ink); }
.button-ghost:hover { background: var(--ink); color: #fff; }
.hero-cover { display: block; box-shadow: 0 18px 50px rgba(0,0,0,.12); }
.hero-cover img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.pages { width: min(1240px, 100% - 32px); margin-inline: auto; padding-bottom: 56px; border-top: 1px solid var(--line); }
.pages h2 { font: 500 24px/1.2 var(--display); letter-spacing: .1em; text-transform: uppercase; margin: 32px 0 20px; }
.muted { color: var(--muted); font-weight: 400; }
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); }
.card { display: block; text-decoration: none; background: var(--surface); border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.1); }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #e9e6e0; }
.card-meta { display: flex; gap: 10px; align-items: baseline; padding: 10px 12px 12px; }
.card-num { font: 500 13px/1 var(--display); color: var(--muted); letter-spacing: .08em; }
.card-title { font-size: 14px; line-height: 1.35; }
.footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  width: min(1240px, 100% - 32px); margin-inline: auto;
  padding-block: 20px calc(20px + var(--safe-b));
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.footer p { margin: 0; }

@media (max-width: 860px) {
  .home .hero { grid-template-columns: 1fr; }
  .hero-cover { order: -1; }
}
@media (max-width: 520px) {
  .grid { gap: 14px; }
  .hero-actions .button { flex: 1 1 140px; }
}

/* ---------- Slide pages ---------- */
.slide-page { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 16px;
  min-height: calc(var(--top-h) + var(--safe-t));
  padding: var(--safe-t) 16px 0;
  background: rgba(244, 242, 238, .92);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { font: 500 18px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; text-decoration: none; white-space: nowrap; }
.brand [lang="ar"] { font-size: 15px; letter-spacing: 0; margin-inline-start: 6px; color: var(--muted); }
.slide-title { margin: 0; font: 400 15px/1.3 var(--body); color: var(--muted); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.grid-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 4px; text-decoration: none; font: 500 13px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; }

.stage {
  flex: 1 0 auto;
  display: flex; align-items: center; justify-content: center;
  padding: 12px 16px;
}
.slide-btn { all: unset; display: block; cursor: zoom-in; -webkit-tap-highlight-color: transparent; }
.slide-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.slide {
  /* fit the 4:3 page to the viewport left over by the header and pager */
  width: min(100vw - 32px - var(--safe-l) - var(--safe-r), (100vh - var(--top-h) - var(--pager-h) - 24px - var(--safe-t) - var(--safe-b)) * 4 / 3, 1800px);
  width: min(100vw - 32px - var(--safe-l) - var(--safe-r), (100dvh - var(--top-h) - var(--pager-h) - 24px - var(--safe-t) - var(--safe-b)) * 4 / 3, 1800px);
  aspect-ratio: 4 / 3;
  background: #e9e6e0;
  box-shadow: 0 12px 40px rgba(0,0,0,.14);
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}

.pager {
  position: sticky; bottom: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: calc(var(--pager-h) + var(--safe-b));
  padding: 0 16px var(--safe-b);
  background: rgba(244, 242, 238, .92);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px);
  border-top: 1px solid var(--line);
}
.nav-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-width: 48px; min-height: 44px; padding: 0 18px;
  border: 1px solid var(--ink); text-decoration: none;
  font: 500 13px/1 var(--display); letter-spacing: .14em; text-transform: uppercase;
}
a.nav-btn:hover { background: var(--ink); color: #fff; }
.nav-btn.is-disabled { opacity: .25; }
.counter { font: 400 15px/1 var(--display); letter-spacing: .1em; color: var(--muted); }
.counter strong { color: var(--ink); font-weight: 500; }

.page-text { width: min(760px, 100% - 32px); margin: 0 auto; padding: 20px 0 calc(40px + var(--safe-b)); }
.page-text summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  min-height: 48px; padding: 0 4px; border-bottom: 1px solid var(--line);
  font: 500 14px/1 var(--display); letter-spacing: .14em; text-transform: uppercase;
}
.page-text summary::-webkit-details-marker { display: none; }
.page-text summary::after { content: '+'; font-size: 20px; font-weight: 400; }
.page-text details[open] summary::after { content: '−'; }
.page-text-body { padding: 8px 4px; }
.page-text-body p { margin: 0 0 1em; font-size: 16px; line-height: 1.7; overflow-wrap: anywhere; }

/* zoom overlay */
.zoom { position: fixed; inset: 0; z-index: 100; background: #141414; }
.zoom-scroll { position: absolute; inset: 0; overflow: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; cursor: zoom-out; display: flex; }
.zoom-scroll img { margin: auto; flex: none; width: max(100vw, min(2400px, 250vw)); max-width: none; height: auto; }
.zoom-close {
  position: fixed; z-index: 101; top: calc(12px + var(--safe-t)); right: calc(12px + var(--safe-r));
  width: 48px; height: 48px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.92); color: #111; font-size: 20px; cursor: pointer;
}
body.zoom-open { overflow: hidden; }

/* tablets / phones portrait */
@media (max-width: 640px) {
  :root { --top-h: 52px; --pager-h: 60px; }
  .topbar { grid-template-columns: auto auto; justify-content: space-between; gap: 8px; padding-inline: 12px; }
  .slide-title { display: none; }
  .grid-label { display: none; }
  .grid-link { min-width: 44px; justify-content: center; }
  .stage { padding: 12px; }
  .slide { width: min(100vw - 24px - var(--safe-l) - var(--safe-r), 1800px); box-shadow: 0 6px 20px rgba(0,0,0,.12); }
  .nav-label { display: none; }
  .nav-btn { padding: 0 20px; min-width: 64px; }
  .page-text-body p { font-size: 15px; }
}
/* phones portrait: page sits at the top, readable text right below it */
@media (max-width: 1100px) and (orientation: portrait) {
  .stage { flex: 0 0 auto; padding-top: 16px; }
}

/* phones landscape (short screens): compact chrome, floating arrows */
@media (max-height: 500px) and (orientation: landscape) {
  :root { --top-h: 40px; --pager-h: 0px; }
  .topbar { grid-template-columns: auto minmax(0, 1fr) auto; }
  .brand { font-size: 15px; }
  .slide-title { display: block; font-size: 13px; }
  .grid-link { min-height: 40px; }
  .stage { padding: 8px 64px; }
  .slide { width: min(100vw - 128px - var(--safe-l) - var(--safe-r), (100dvh - var(--top-h) - 16px - var(--safe-t) - var(--safe-b)) * 4 / 3); }
  .pager { position: static; min-height: 0; padding: 0; border: 0; background: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .pager .nav-btn {
    position: fixed; top: 50%; transform: translateY(-50%); z-index: 11;
    width: 44px; min-width: 0; height: 64px; padding: 0;
    background: rgba(244, 242, 238, .9); border-color: var(--line);
  }
  .pager .nav-btn[rel="prev"], .pager .nav-btn.is-disabled:first-child { left: calc(8px + var(--safe-l)); }
  .pager .nav-btn[rel="next"], .pager .nav-btn.is-disabled:last-child { right: calc(8px + var(--safe-r)); }
  .nav-label { display: none; }
  .counter { position: fixed; bottom: calc(6px + var(--safe-b)); right: calc(8px + var(--safe-r)); z-index: 11; font-size: 12px; background: rgba(244,242,238,.9); padding: 4px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
  .card:hover { transform: none; }
}