/* ================================
   EL CUBO — cube gallery
   Adapted from a scroll-hijacked single-page demo into a scroll-pinned
   section that lives between the shader hero and the footer. Original
   used position:fixed + a global wheel-jack to own the whole page;
   here .el-cubo-cube-stage is position:sticky, scoped to
   .el-cubo-cube-wrap, so only this stretch of the page pins — the hero
   above and footer below scroll natively. Six faces, six panels,
   permanently dark/amber (no light-mode toggle, matching the rest of
   the site), colors pulled from style.css's --gold/--gold-light tokens
   instead of a separate palette.

   Deliberately NOT using @layer here (the original mock did) — style.css
   sets a global `* { margin: 0 }` reset that is itself unlayered, and
   per the CSS Cascade Layers spec any unlayered rule beats every layered
   rule regardless of specificity. That silently ate the
   `.text-card.right { margin-inline-start: auto }` rule below (the
   alternating left/right layout) since it was inside a layer and the
   reset wasn't. Plain rules + normal specificity avoids that trap.
================================ */

.el-cubo-cube-wrap {
  --cube-font-display: "Bebas Neue", sans-serif;
  --cube-font-mono: "DM Mono", monospace;
  --cube-hairline: 0.0625rem;
  --cube-ui-inset: 2rem;
  --cube-card-border: rgba(200, 169, 110, 0.2);
  --cube-nav-x: calc(var(--cube-ui-inset) + 0.125rem);
  --cube-reveal-offset: 0.625rem;
  --cube-reveal-duration: 0.5s;
  --cube-z-ui: 10;
}

.el-cubo-cube-wrap {
  position: relative;
  background: var(--bg-dark);
  font-family: var(--cube-font-mono);
}

.el-cubo-cube-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  z-index: 0;
}

/* Pinned to the exact same visual region as .el-cubo-cube-stage (same
   margin-top trick, same reasoning as #scroll_container below), but
   kept as a SEPARATE sticky element on purpose. Each position:sticky
   element forms its own stacking context, so nothing inside
   .el-cubo-cube-stage could ever out-rank #scroll_container's z-index:1
   no matter what z-index it was given internally — that's what was
   silently eating clicks on the play button and the scene dots. This
   layer's z-index:2 sits above the text panels instead; pointer-events
   defaults to none here too, same reasoning as #scene, so only the
   specific interactive children (dots, play button) opt back in. */
.el-cubo-cube-ui-layer {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  margin-top: -100vh;
  margin-top: -100dvh;
  z-index: 2;
  pointer-events: none;
}

#scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1100px;
  pointer-events: none;
}

/* .el-cubo-cube-stage is sticky, but it's still a normal in-flow
   sibling that reserves its own 100vh slot before this element starts —
   without pulling this back up over that slot, s0's panel (and every
   panel's scroll trigger point) would sit one full viewport-height
   below wherever the cube is actually pinned, so nothing would appear
   to line up with it until you'd already scrolled past that gap. */
#scroll_container {
  position: relative;
  z-index: 1;
  margin-top: -100vh;
  margin-top: -100dvh;
}

#scroll_container section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem calc(5rem + var(--cube-ui-inset)) 6rem 5rem;
}

#cube {
  --s: min(74vw, 74vh, 560px);
  width: var(--s);
  height: var(--s);
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(90deg) rotateY(0deg);
  will-change: transform;
}

#cube .face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  backface-visibility: hidden;
  background:
    repeating-linear-gradient(0deg, rgba(200, 169, 110, 0.05) 0, rgba(200, 169, 110, 0.05) 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(90deg, rgba(200, 169, 110, 0.05) 0, rgba(200, 169, 110, 0.05) 1px, transparent 1px, transparent 48px),
    #14100d;
}

#cube .face img,
#cube .face video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* Redundant with #scene's inherited pointer-events:none, but explicit
     here on purpose — Safari/WebKit has known bugs where a <video>
     element's native gesture handling can intercept clicks regardless
     of an inherited pointer-events value, especially near a CSS 3D
     (perspective) context like this cube. */
  pointer-events: none;
}

/* Face 0's video is click-to-play with its own audio (not muted like
   the image faces) — deliberate, so the visitor actually hears it.
   This button is a persistent play/pause toggle, not a one-time
   unlock. Lives in .el-cubo-cube-ui-layer, NOT inside #cube — Safari
   has known click hit-testing bugs on elements inside a CSS 3D-
   transformed (perspective + rotateX/rotateY) ancestor, so this sits
   outside that entirely and is just positioned to visually overlap
   face 0. JS toggles .is-visible based on scroll progress (stays up
   the whole time you're on face 0) and .is-playing based on video
   state (swaps the icon, doesn't hide the button). */
.face-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  z-index: var(--cube-z-ui);
  width: 4.5rem;
  height: 4.5rem;
  border: none;
  border-radius: 50%;
  background: rgba(10, 8, 5, 0.6);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transition: background 0.2s, opacity 0.2s, visibility 0.2s;
}

.face-play-btn svg {
  width: 1.75rem;
  height: 1.75rem;
}

.face-play-btn .icon-play {
  margin-left: 0.2rem;
}

.face-play-btn .icon-pause {
  display: none;
}

.face-play-btn.is-playing .icon-play {
  display: none;
}

.face-play-btn.is-playing .icon-pause {
  display: block;
}

.face-play-btn:hover {
  background: rgba(10, 8, 5, 0.8);
}

.face-play-btn.is-visible {
  opacity: 1;
  visibility: visible;
}

/* object-fit:cover crops a portrait image to fill the square face —
   default center anchoring trims equally off the top and bottom, which
   cuts into whatever's near the top edge of a tall image (a headdress,
   a halo). Apply per-image when that happens. */
#cube .face img.face-img-anchor-top {
  object-position: 50% 12%;
}

/* Applied per-image, not per-face — lets a face's art keep its own
   colors or get pulled toward the site's amber palette on a
   case-by-case basis as real pieces go in. */
#cube .face img.face-amber-tint {
  filter: sepia(0.35) saturate(1.35) hue-rotate(-8deg) brightness(0.92) contrast(1.08);
}

#cube .face:has(img, video) .face-ph {
  display: none;
}

.face-ph {
  position: absolute;
  bottom: 1.5rem;
  left: 1.75rem;
  font-family: var(--cube-font-display);
  font-size: clamp(2rem, 8vw, 5rem);
  letter-spacing: 0.04em;
  color: rgba(232, 213, 163, 0.08);
  pointer-events: none;
  user-select: none;
}

.face[data-face="front"]  { transform: translateZ(calc(var(--s) / 2)); }
.face[data-face="back"]   { transform: rotateY(180deg) translateZ(calc(var(--s) / 2)); }
.face[data-face="right"]  { transform: rotateY(90deg) translateZ(calc(var(--s) / 2)); }
.face[data-face="left"]   { transform: rotateY(-90deg) translateZ(calc(var(--s) / 2)); }
.face[data-face="top"]    { transform: rotateX(-90deg) translateZ(calc(var(--s) / 2)); }
.face[data-face="bottom"] { transform: rotateX(90deg) translateZ(calc(var(--s) / 2)); }

#hud {
  position: absolute;
  top: var(--cube-ui-inset);
  right: var(--cube-ui-inset);
  z-index: var(--cube-z-ui);
  text-align: right;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

#hud .progress-bar {
  width: 7.5rem;
  height: var(--cube-hairline);
  background: var(--text-secondary);
  margin-block-start: 0.5rem;
  margin-inline-start: auto;
  position: relative;
  overflow: hidden;
}

#hud .progress-fill {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 0%;
  background: var(--gold);
  transition: width 0.1s linear;
}

#hud .scene-label {
  font-size: 0.6rem;
  color: var(--gold);
  margin-block-start: 0.4rem;
}

#scene_strip {
  position: absolute;
  left: var(--cube-nav-x);
  top: 50%;
  translate: -50% -50%;
  z-index: var(--cube-z-ui);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  /* .el-cubo-cube-ui-layer defaults to pointer-events:none (same
     opt-in pattern as #scene) — the dots are the clickable exception. */
  pointer-events: auto;
}

.scene-dot {
  position: relative;
  display: block;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: background 0.3s, scale 0.3s;
  cursor: pointer;
}

.scene-dot::before {
  content: "";
  position: absolute;
  inset: -0.2rem;
}

.scene-dot.active {
  background: var(--gold);
  scale: 1.8;
}

#face_caption {
  position: absolute;
  bottom: var(--cube-ui-inset);
  left: 50%;
  translate: -50% 0;
  z-index: var(--cube-z-ui);
  text-align: center;
  pointer-events: none;
  user-select: none;
}

#face_caption_num {
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
  margin-block-end: 0.15rem;
}

#face_caption_name {
  font-family: var(--cube-font-display);
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  opacity: 0.5;
  line-height: 1;
}

.el-cubo-cube-wrap .text-card {
  max-width: 23.75rem;
  padding: 2.25rem 2rem;
  /* A blurred backdrop-filter here is expensive to recompute every
     scroll frame stacked over a moving 3D cube — a near-opaque solid
     fill reads almost identically without the compositor cost. */
  background: rgba(10, 8, 5, 0.92);
  border-left: var(--cube-hairline) solid var(--cube-card-border);
  overflow: hidden;
}

.el-cubo-cube-wrap .text-card.right {
  margin-inline-start: auto;
  border-left: none;
  border-right: var(--cube-hairline) solid var(--cube-card-border);
  text-align: right;
}

.el-cubo-cube-wrap .text-card.right .h-line {
  transform-origin: right;
  margin-inline-start: auto;
}

.el-cubo-cube-wrap .tag {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-block-end: 1.1rem;
}

.el-cubo-cube-wrap :where(h1, h2) {
  font-family: var(--cube-font-display);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 0.92;
  color: var(--gold-light);
}

.el-cubo-cube-wrap h1 { font-size: clamp(3rem, 8vw, 6.5rem); }
.el-cubo-cube-wrap h2 { font-size: clamp(2.2rem, 5vw, 4rem); }

.el-cubo-cube-wrap .body-text {
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-block-start: 1.25rem;
}

.el-cubo-cube-wrap .h-line {
  width: 3.125rem;
  height: var(--cube-hairline);
  background: var(--gold);
  margin-block-end: 1.2rem;
  transform-origin: left;
}

.el-cubo-cube-wrap .cta-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  margin-block-start: 1.75rem;
}

.el-cubo-cube-wrap .text-card.right .cta-row {
  justify-content: flex-end;
}

.el-cubo-cube-wrap .cta,
.el-cubo-cube-wrap .cta-back {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--cube-font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.el-cubo-cube-wrap .cta {
  border: var(--cube-hairline) solid var(--gold);
  color: var(--gold);
}

.el-cubo-cube-wrap .cta:hover {
  background: var(--gold);
  color: var(--bg-dark);
}

.el-cubo-cube-wrap .cta-back {
  border: var(--cube-hairline) solid rgba(232, 213, 163, 0.3);
  color: var(--text-secondary);
}

.el-cubo-cube-wrap .cta-back:hover {
  background: rgba(232, 213, 163, 0.08);
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.el-cubo-cube-wrap .cta svg,
.el-cubo-cube-wrap .cta-back svg {
  width: 0.6875rem;
  height: 0.6875rem;
}

.el-cubo-cube-wrap :is(.tag, h1, h2, .body-text, .cta, .cta-back) {
  opacity: 0;
  translate: 0 var(--cube-reveal-offset);
}

.el-cubo-cube-wrap :is(h1, h2) {
  translate: 0 1.125rem;
  transition: opacity var(--cube-reveal-duration) ease 0.08s, translate var(--cube-reveal-duration) ease 0.08s;
}

.el-cubo-cube-wrap .tag {
  transition: opacity var(--cube-reveal-duration) ease, translate var(--cube-reveal-duration) ease;
}

.el-cubo-cube-wrap .body-text {
  transition: opacity var(--cube-reveal-duration) ease 0.2s, translate var(--cube-reveal-duration) ease 0.2s;
}

.el-cubo-cube-wrap :is(.cta, .cta-back) {
  transition: opacity var(--cube-reveal-duration) ease 0.35s, translate var(--cube-reveal-duration) ease 0.35s, background 0.2s, color 0.2s, border-color 0.2s;
}

.el-cubo-cube-wrap .h-line {
  opacity: 0;
  scale: 0 1;
  transition: opacity 0.4s ease, scale 0.4s ease;
}

.el-cubo-cube-wrap :is(.tag, h1, h2, .body-text, .cta, .cta-back).visible {
  opacity: 1;
  translate: 0 0;
}

.el-cubo-cube-wrap .h-line.visible {
  opacity: 1;
  scale: 1 1;
}

@media (width <= 56.25em) {
  #hud {
    top: 1rem;
    right: 1rem;
  }

  #scene_strip {
    display: none;
  }

  #face_caption {
    bottom: 1rem;
  }

  .el-cubo-cube-wrap #scroll_container section {
    min-height: 150vh;
    align-items: flex-end;
    padding: 0 1.5rem 3.5rem;
  }

  .el-cubo-cube-wrap #s0 {
    min-height: 100vh;
    align-items: center;
    padding: 4rem 1.5rem;
  }

  .el-cubo-cube-wrap :is(.text-card, .text-card.right) {
    max-width: 100%;
    padding: 1.5rem 1.25rem;
  }

  .el-cubo-cube-wrap .body-text {
    line-height: 1.55;
  }

  .el-cubo-cube-wrap .cta-row {
    margin-block-start: 1.25rem;
  }
}