.constellation-wrapper {
  position: relative; width: 100%; height: clamp(540px, 72vh, 860px);
  background: var(--bg); border-top: 1px solid var(--line); overflow: hidden;
  contain: layout paint;
  isolation: isolate;
  cursor: crosshair;
}

.constellation-wrapper::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 85% at 50% 50%, #000 15%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 85% at 50% 50%, #000 15%, transparent 78%);
  pointer-events: none;
}

#constellation-canvas {
  position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
  will-change: opacity;
  transform: translateZ(0);
}

#constellation-hubs { position: absolute; inset: 0; z-index: 5; }

.category-hub {
  position: absolute; left: 0; top: 0; 
  width: 120px; height: 120px; 
  margin: 0; 
  border-radius: 50%;
  background: var(--bg-1);
  border: 1px solid rgba(77, 130, 255, 0.18);
  box-shadow: 0 8px 28px rgba(0,0,0,0.55), 0 0 0 1px rgba(220, 226, 248, 0.04) inset;
  padding: 0; overflow: hidden;
  transition: opacity 0.4s var(--ease), border-color 0.35s, box-shadow 0.35s;
  cursor: pointer;
  will-change: transform, opacity;
  backface-visibility: hidden;
  contain: layout paint;
}

.category-hub:hover {
  border-color: rgba(77, 130, 255, 0.62);
  box-shadow: 0 8px 28px rgba(0,0,0,0.55), 0 0 48px rgba(77,130,255,0.2), 0 0 0 1px rgba(220, 226, 248, 0.07) inset;
  z-index: 10;
}

.hub-ring {
  position: absolute; inset: 5px; border-radius: 50%;
  border: 1px dashed rgba(77, 130, 255, 0.32);
  animation: hubRotate 16s linear infinite; pointer-events: none; z-index: 2;
  will-change: transform; backface-visibility: hidden;
}
@keyframes hubRotate { 100% { transform: rotate(360deg) translateZ(0); } }

.hub-images { position: absolute; inset: 0; border-radius: 50%; overflow: hidden; }
.hub-images img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; filter: brightness(0.48) saturate(0.45);
  transform: scale(1.08) translateZ(0);
  transition: opacity 1.2s var(--ease), filter 1.2s, transform 3s ease-out;
  pointer-events: none;
  will-change: opacity, transform, filter;
  backface-visibility: hidden;
}
.hub-images img.active {
  opacity: 1; filter: brightness(0.62) saturate(0.8); transform: scale(1) translateZ(0);
}
.category-hub:hover .hub-images img.active {
  filter: brightness(0.82) saturate(1.05); transform: scale(1.025) translateZ(0);
}

.hub-label {
  position: absolute; inset: 0; z-index: 4; display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: 0.56rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink); text-shadow: 0 2px 14px rgba(0,0,0,0.98), 0 0 22px rgba(0,0,0,0.85);
  pointer-events: none; transition: color 0.3s, letter-spacing 0.35s;
}
.category-hub:hover .hub-label { color: var(--blue-hi); letter-spacing: 0.26em; }

.category-hub.is-hidden { opacity: 0; pointer-events: none; }
.category-hub.is-expanded {
  position: absolute !important; left: 0 !important; top: 0 !important; margin: 0 !important;
  width: 100% !important; height: 100% !important; border-radius: 0 !important; border: none; z-index: 100;
  transform: none !important; 
  cursor: default;
}
.category-hub.is-expanded .hub-ring,
.category-hub.is-expanded .hub-label { display: none; }
.category-hub.is-expanded .hub-images { border-radius: 0; }
.category-hub.is-background .hub-images img.active {
  filter: brightness(0.14) saturate(0.1) blur(14px);
  transition: filter 0.9s var(--ease);
}

.gallery-view {
  position: absolute; inset: 0; z-index: 200; display: flex; flex-direction: column;
  opacity: 0; pointer-events: none; transition: opacity 0.38s var(--ease);
  will-change: opacity; transform: translateZ(0); contain: layout paint;
}
.gallery-view.visible { opacity: 1; pointer-events: auto; }

.gallery-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 28px; border-bottom: 1px solid rgba(255,255,255,0.05);
  background: linear-gradient(rgba(7,8,14,0.93), transparent); flex-shrink: 0;
}
.gallery-title {
  font-family: var(--f-display); font-weight: 300; font-size: 1rem;
  letter-spacing: 0.14em; color: var(--blue-hi); text-transform: uppercase;
}

.gallery-grid {
  flex: 1; overflow-y: auto; overflow-x: hidden; display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: clamp(140px, 15vw, 195px);
  grid-auto-flow: dense; gap: 8px; padding: 16px 24px 24px;
  will-change: scroll-position; contain: layout paint;
}
.gallery-grid::-webkit-scrollbar { width: 4px; }
.gallery-grid::-webkit-scrollbar-track { background: rgba(0,0,0,0.18); }
.gallery-grid::-webkit-scrollbar-thumb { background: var(--blue-dim); border-radius: 4px; }

.grid-card {
  position: relative; padding: 0; background: var(--bg-1); border: 1px solid var(--line-2);
  overflow: hidden; opacity: 0; transform: translateY(14px) translateZ(0);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), border-color 0.25s, box-shadow 0.25s;
  will-change: opacity, transform; backface-visibility: hidden; contain: layout paint;
}
.grid-card.in { opacity: 1; transform: translateY(0) translateZ(0); }
.grid-card:hover { border-color: var(--blue); box-shadow: 0 0 28px var(--blue-glow); z-index: 10; cursor: pointer; }

.grid-card.span-4  { grid-column: span 4; }
.grid-card.span-6  { grid-column: span 6; }
.grid-card.span-8  { grid-column: span 8; }
.grid-card.span-12 { grid-column: span 12; }
.grid-card.tall    { grid-row: span 2; }

.grid-card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: brightness(0.7) saturate(0.65); opacity: 0;
  transition: opacity 0.55s ease, transform 0.8s var(--ease), filter 0.4s;
  will-change: opacity, transform, filter; transform: translateZ(0); backface-visibility: hidden;
}
.grid-card img.img-loaded { opacity: 1; }
.grid-card:hover img { transform: scale(1.03) translateZ(0); filter: brightness(0.92) saturate(1.1); }

.card-overlay {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 44px 14px 14px;
  background: linear-gradient(transparent, rgba(7,8,14,0.95));
  display: flex; justify-content: space-between; align-items: flex-end;
  opacity: 0; transform: translateY(4px) translateZ(0);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none; will-change: opacity, transform;
}
.grid-card:hover .card-overlay { opacity: 1; transform: translateY(0) translateZ(0); }
.card-title { font-family: var(--f-display); font-size: 0.72rem; font-weight: 400; color: var(--ink); }
.card-year  { font-family: var(--f-mono); font-size: 0.54rem; color: var(--blue-hi); letter-spacing: 0.1em; }

.grid-card.is-launching {
  border-color: var(--blue); box-shadow: 0 0 40px var(--blue-glow);
  transform: scale(0.96) translateZ(0); z-index: 50;
  transition: all 180ms cubic-bezier(0.5,0,0.75,0);
}

@media (max-width: 720px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: clamp(100px, 22vw, 150px); padding: 12px 14px; gap: 7px; }
  .grid-card.span-4, .grid-card.span-6 { grid-column: span 2; }
  .grid-card.span-8, .grid-card.span-12 { grid-column: span 4; }
  .grid-card.tall { grid-column: span 2; grid-row: span 2; }
  .gallery-header { padding: 14px 16px; }
  .category-hub { width: 100px; height: 100px; margin: 0; }
}


/* ─────────────────────────────────────────────────────────────
   📱 MOBILE MODE — iOS / Android (PWA-style)
   ───────────────────────────────────────────────────────────── */
@supports (padding: env(safe-area-inset-top)) {
  :root {
    --safe-top:    env(safe-area-inset-top);
    --safe-right:  env(safe-area-inset-right);
    --safe-bottom: env(safe-area-inset-bottom);
    --safe-left:   env(safe-area-inset-left);
  }
}

@media (max-width: 768px), (hover: none) and (pointer: coarse) {
  html, body {
    cursor: auto !important;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: none;
  }
  body {
    -webkit-overflow-scrolling: touch;
    padding-top:    env(safe-area-inset-top, 0);
    padding-bottom: env(safe-area-inset-bottom, 0);
    padding-left:   env(safe-area-inset-left, 0);
    padding-right:  env(safe-area-inset-right, 0);
  }
  *, a, button, input, textarea, select, label { cursor: auto !important; }
  .cursor, .cursor-dot, .grain { display: none !important; }

  input, select, textarea { font-size: 16px !important; }

  a, button, [role="button"], .btn, .nav-icon, .close-btn,
  .bl-close, .bl-prev, .bl-next, .lb-close, .lb-prev, .lb-next,
  .blog-filter-btn, .audio-play-btn, .entry-expand-btn,
  .dd-close-btn, .dd-nav-btn {
    min-height: 44px;
    min-width:  44px;
    touch-action: manipulation;
  }
}

/* ─── constellation.css mobile (gallery grid takes over) ─── */
@media (max-width: 768px) {
  /* Reset wrapper so the gallery can flow naturally */
  .constellation-wrapper {
    position: relative !important;
    height: auto !important;
    min-height: 60vh;
    overflow: visible !important;
    cursor: auto;
  }
  .constellation-wrapper::before { background-size: 36px 36px; }
  #constellation-canvas, #constellation-hubs { display: none !important; }

  /* Force the gallery to be visible & in normal flow */
  .gallery-view {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    height: auto !important;
    max-width: 100vw;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    overflow: visible !important;
    padding: 24px clamp(12px, 4vw, 18px)
             calc(24px + env(safe-area-inset-bottom, 0));
    box-sizing: border-box;
  }

  .gallery-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 18px;
  }
  .gallery-title { font-size: clamp(1.5rem, 6vw, 2rem); }

  /* Auto-responsive grid: fills as many columns as the screen allows.
     Cards never overflow because minmax's lower bound uses min(). */
  .gallery-grid {
    display: grid !important;
    grid-template-columns:
      repeat(auto-fit, minmax(min(160px, 100%), 1fr)) !important;
    gap: clamp(8px, 2.5vw, 14px) !important;
    width: 100%;
    max-width: 100%;
  }

  .grid-card {
    aspect-ratio: 3 / 4;
    cursor: pointer;
    border-radius: 6px;
    overflow: hidden;
    opacity: 1 !important;
    transform: none !important;
    width: 100%;
    min-width: 0;   /* allow shrinking inside grid track */
  }
  .grid-card img {
    opacity: 1 !important;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .card-overlay { padding: 10px; }
  .card-title { font-size: 0.78rem; }
  .card-year  { font-size: 0.55rem; }
}

/* Very narrow phones — let the grid drop to a single column naturally.
   auto-fit already handles this, but we lower the min so 2 cols fit
   on slightly wider phones (e.g. 390–420px). */
@media (max-width: 420px) {
  .gallery-grid {
    grid-template-columns:
      repeat(auto-fit, minmax(min(140px, 100%), 1fr)) !important;
  }
}