.hero__cube {
  position: absolute;
  z-index: 0;
  top: 36%;
  /* Sit near the container’s right edge — not under the copy, not flush off-screen */
  right: max(1.25rem, calc((100vw - min(100vw - 2.5rem, var(--container))) / 2));
  width: min(24rem, 34vw);
  height: min(24rem, 34vw);
  translate: 0 -50%;
  perspective: 900px;
  cursor: grab;
  touch-action: none;
}

.hero__cube.is-dragging {
  cursor: grabbing;
}

.hero__cube-scene {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: hero-cube-float 7s ease-in-out infinite;
}

.hero__cube-inner {
  position: absolute;
  inset: 12%;
  transform-style: preserve-3d;
  transform: rotateX(-22deg) rotateY(-38deg);
}

.hero__cube-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background-color: #111;
  background-image: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.hero__cube-face-photo {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  pointer-events: none;
  user-select: none;
}

.hero__cube-face--up {
  transform: rotateX(90deg) translateZ(var(--hero-cube-half));
}

.hero__cube-face--down {
  transform: rotateX(-90deg) translateZ(var(--hero-cube-half));
}

.hero__cube-face--front {
  transform: translateZ(var(--hero-cube-half));
}

.hero__cube-face--back {
  transform: rotateY(180deg) translateZ(var(--hero-cube-half));
}

.hero__cube-face--left {
  transform: rotateY(-90deg) translateZ(var(--hero-cube-half));
}

.hero__cube-face--right {
  transform: rotateY(90deg) translateZ(var(--hero-cube-half));
}

@keyframes hero-cube-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.85rem);
  }
}

/* iPad / tablet: slight pull inward from the right edge — not into the copy */
@media (min-width: 720px) and (max-width: 1366px) {
  .hero__cube {
    top: 36%;
    left: auto;
    right: clamp(4rem, 9vw, 8rem);
    width: min(18rem, 30vw);
    height: min(18rem, 30vw);
    translate: 0 -50%;
  }
}

@media (min-width: 1367px) {
  .hero__cube {
    top: 38%;
    width: min(26rem, 32vw);
    height: min(26rem, 32vw);
  }
}

@media (max-width: 719px) {
  .hero__cube {
    top: 12%;
    right: 50%;
    width: min(14rem, 62vw);
    height: min(14rem, 62vw);
    translate: 50% 0;
    opacity: 0.55;
  }

  .hero__content {
    padding-top: min(17.25rem, 62vw);
    /* Let touches in the empty padding area reach the cube behind it */
    pointer-events: none;
  }

  .hero__content > * {
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__cube-scene {
    animation: none;
  }
}

/* —— Boot splash → hero handoff —— */
body.is-booting {
  overflow: hidden;
}

body.is-booting .site-header,
body.is-booting .skip-link,
body.is-booting .hero__content,
body.is-booting #main > :not(#top) {
  opacity: 0;
  pointer-events: none;
}

body.is-booting .hero {
  min-height: 100svh;
}

body.is-booting .hero__cube-scene {
  animation: none;
}

/* Exact final size per breakpoint — centered in the viewport */
body.is-booting .hero__cube {
  position: fixed;
  z-index: 110;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: min(24rem, 34vw);
  height: min(24rem, 34vw);
  margin: auto;
  translate: none;
  opacity: 1;
  pointer-events: none;
  cursor: default;
}

@media (min-width: 720px) and (max-width: 1366px) {
  body.is-booting .hero__cube {
    width: min(18rem, 30vw);
    height: min(18rem, 30vw);
  }
}

@media (min-width: 1367px) {
  body.is-booting .hero__cube {
    width: min(26rem, 32vw);
    height: min(26rem, 32vw);
  }
}

@media (max-width: 719px) {
  body.is-booting .hero__cube {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: min(14rem, 62vw);
    height: min(14rem, 62vw);
    margin: auto;
    translate: none;
  }
}

.boot-splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg, #0f171f);
  pointer-events: none;
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.65s;
}

.hero__cube-face-loading {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  color: rgba(15, 23, 31, 0.72);
  font-family: var(--font-sans, 'Instrument Sans', system-ui, sans-serif);
  font-size: clamp(0.65rem, 2.4vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  pointer-events: none;
  user-select: none;
}

body.is-booting .hero__cube-face-loading {
  display: flex;
  animation: boot-label-pulse 1.6s ease-in-out infinite;
}

body.is-boot-exit .hero__cube-face-loading {
  display: flex;
  opacity: 0;
  animation: none;
  transition: opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes boot-label-pulse {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 0.9;
  }
}

.boot-splash.is-done {
  opacity: 0;
  visibility: hidden;
}

body.is-boot-exit .site-header,
body.is-boot-exit .hero__content {
  opacity: 1;
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.12s;
}

body.is-boot-exit #main > :not(#top) {
  opacity: 0;
}

body.is-boot-exit .hero__cube-scene {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  body.is-booting .hero__cube-face-loading {
    animation: none;
    opacity: 0.75;
  }

  .boot-splash,
  body.is-boot-exit .hero__cube-face-loading,
  body.is-boot-exit .site-header,
  body.is-boot-exit .hero__content {
    transition-duration: 0.2s;
  }
}