/* Product Explorer — 3D scene: background, title, cards, dial, gallery, rail.
   All motion is written by JS as transform / opacity / filter only. */

/* ───────── Background ───────── */

.pe-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 110%, rgba(196, 205, 110, 0.07), transparent 60%),
    radial-gradient(90% 70% at 50% -10%, rgba(255, 255, 255, 0.05), transparent 60%),
    var(--pe-bg);
}

.pe-bg::after {
  /* faint engineering grid for depth cues */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 60% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000 20%, transparent 75%);
}

.pe-glow {
  position: absolute;
  inset: -20%;
  opacity: 0;
  visibility: hidden;
  background: radial-gradient(42% 42% at 50% 52%, color-mix(in srgb, var(--pe-accent) 22%, transparent), transparent 70%);
}

/* ───────── Title ───────── */

.pe-title {
  position: absolute;
  z-index: 3;
  top: calc(var(--pe-nav) + env(safe-area-inset-top, 0px));
  left: 50%;
  width: min(92vw, 760px);
  margin-left: calc(min(92vw, 760px) / -2);
  text-align: center;
  pointer-events: none;
}

.pe-title__kicker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.pe-title__kicker .pe-ar {
  color: var(--pe-brand);
  font-size: clamp(0.95rem, 0.85rem + 0.4vw, 1.15rem);
  font-weight: 700;
}

.pe-title__kicker .pe-en {
  color: var(--pe-ink-3);
  font-size: var(--pe-fs-kicker);
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.pe-title__h {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 10px;
}

.pe-title__h .pe-ar {
  font-size: calc(var(--pe-fs-h) * 0.62);
  font-weight: 600;
  color: var(--pe-ink-2);
}

.pe-title__h .pe-en {
  order: -1;
  font-size: var(--pe-fs-h);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.pe-section[data-primary-lang="ar"] .pe-title__h .pe-en {
  order: 0;
}
.pe-section[data-primary-lang="ar"] .pe-title__h .pe-ar {
  font-size: var(--pe-fs-h);
  color: var(--pe-ink);
  line-height: 1.3;
}
.pe-section[data-primary-lang="ar"] .pe-title__h .pe-en {
  font-size: calc(var(--pe-fs-h) * 0.5);
  color: var(--pe-ink-2);
  letter-spacing: 0;
  margin-top: 4px;
}

/* ───────── 3D scene ───────── */

.pe-scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  perspective: var(--pe-perspective);
  perspective-origin: 50% 45%;
  pointer-events: none;
}

.pe-tilt {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
}

/* Category card */
.pe-card {
  position: absolute;
  left: calc(var(--pe-card-w) / -2);
  top: calc(var(--pe-card-h) / -2);
  width: var(--pe-card-w);
  height: var(--pe-card-h);
  opacity: 0;
  visibility: hidden;
  transform-origin: 50% 50%;
  backface-visibility: hidden;
}

.pe-card__float {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--pe-radius);
  animation: pe-float var(--pe-float-dur) ease-in-out infinite;
  animation-delay: calc(var(--pe-i, 0) * -2.3s);
}

.pe-section:not(.pe-active) .pe-card__float {
  animation-play-state: paused;
}

@keyframes pe-float {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, calc(var(--pe-float-amp) * -1), 0); }
}

.pe-card__media {
  position: absolute;
  inset: 0;
}

.pe-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.06);
}

.pe-card__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 8, 10, 0.05) 20%, rgba(7, 8, 10, 0.55) 58%, rgba(7, 8, 10, 0.94) 100%),
    linear-gradient(135deg, color-mix(in srgb, var(--pe-accent) 16%, transparent), transparent 45%);
}

.pe-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(16px, 1.6vw, 24px);
  display: grid;
  gap: 6px;
}

.pe-card__num {
  justify-self: start;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--pe-accent);
  margin-bottom: 4px;
}

.pe-card__title {
  display: grid;
  gap: 2px;
  line-height: 1.2;
}

.pe-card__title > :first-child {
  font-size: var(--pe-fs-card);
  font-weight: 700;
}

.pe-card__title > :last-child {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pe-ink-2);
}

.pe-card__tag {
  display: grid;
  gap: 1px;
  font-size: 0.82rem;
  color: var(--pe-ink-2);
}

.pe-card__count {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pe-accent);
}

/* ───────── Dial (hub + orbit nodes) ───────── */

.pe-dial {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  opacity: 0;
  visibility: hidden;
  transform-style: preserve-3d;
}

.pe-lines {
  position: absolute;
  left: calc(var(--pe-lines) * -1);
  top: calc(var(--pe-lines) * -1);
  width: calc(var(--pe-lines) * 2);
  height: calc(var(--pe-lines) * 2);
  overflow: visible;
}

.pe-lines line {
  stroke: color-mix(in srgb, var(--pe-accent) 70%, transparent);
  stroke-width: 1;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}

.pe-hub {
  position: absolute;
  left: calc(var(--pe-hub) / -2);
  top: calc(var(--pe-hub) / -2);
  width: var(--pe-hub);
  height: var(--pe-hub);
  opacity: 0;
  visibility: hidden;
}

.pe-hub__glow {
  position: absolute;
  inset: -45%;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--pe-accent) 34%, transparent), transparent);
}

.pe-hub__core {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--pe-accent) 55%, transparent),
    0 0 0 8px rgba(255, 255, 255, 0.035),
    0 0 50px -6px color-mix(in srgb, var(--pe-accent) 55%, transparent);
}

.pe-hub__core img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.pe-hub__label {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  width: 260px;
  margin-left: -130px;
  display: grid;
  gap: 2px;
  text-align: center;
  line-height: 1.2;
}

.pe-hub__label > :first-child {
  font-size: 1.15rem;
  font-weight: 700;
}

.pe-hub__label > :last-child {
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--pe-ink-2);
}

.pe-node {
  position: absolute;
  left: calc(var(--pe-node) / -2);
  top: calc(var(--pe-node) / -2);
  width: var(--pe-node);
  height: var(--pe-node);
  opacity: 0;
  visibility: hidden;
  display: grid;
  place-items: center;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.pe-node:focus-visible {
  outline: 2px solid var(--pe-accent);
  outline-offset: 4px;
  border-radius: 50%;
}

.pe-node:hover::before {
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--pe-accent) 70%, transparent),
    0 10px 24px -10px rgba(0, 0, 0, 0.8),
    0 0 18px -2px color-mix(in srgb, var(--pe-accent) 45%, transparent);
}

.pe-node::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.04) 60%), var(--pe-bg-2);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pe-accent) 45%, transparent), 0 10px 24px -10px rgba(0, 0, 0, 0.8);
}

.pe-node__glow {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--pe-accent) 55%, transparent), transparent);
}

.pe-node__num {
  position: relative;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pe-ink);
}

.pe-node__label {
  position: absolute;
  top: calc(100% + 22px);
  left: 50%;
  width: 150px;
  margin-left: -75px;
  display: grid;
  gap: 1px;
  text-align: center;
  font-size: 0.72rem;
  line-height: 1.25;
  color: var(--pe-ink-2);
}

.pe-node__label > :first-child {
  color: var(--pe-ink);
  font-size: 0.78rem;
  font-weight: 600;
}

.pe-node__label.is-current > :first-child {
  color: var(--pe-accent);
}

.pe-ring {
  position: absolute;
  left: calc(var(--pe-node) * -0.8);
  top: calc(var(--pe-node) * -0.8);
  width: calc(var(--pe-node) * 1.6);
  height: calc(var(--pe-node) * 1.6);
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  border: 1.5px solid var(--pe-accent);
  box-shadow: 0 0 28px -2px color-mix(in srgb, var(--pe-accent) 70%, transparent), inset 0 0 18px -6px var(--pe-accent);
}

/* ───────── Gallery ───────── */

.pe-galleries {
  position: absolute;
  inset: 0;
  z-index: 2;
  perspective: var(--pe-perspective);
  pointer-events: none;
}

.pe-gallery {
  position: absolute;
  left: var(--pe-gal-l, 50%);
  top: var(--pe-gal-t, 15%);
  width: var(--pe-gal-w, 40%);
  bottom: var(--pe-gal-b, 15%);
  display: grid;
  opacity: 0;
  visibility: hidden;
  transform-style: preserve-3d;
}

.pe-panel {
  grid-area: 1 / 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.4vh, 16px);
  opacity: 0;
  visibility: hidden;
  transform-style: preserve-3d;
}

.pe-panel__copy {
  flex: none;
  padding: clamp(16px, 2vh, 24px) clamp(18px, 1.8vw, 26px);
  border-radius: var(--pe-radius);
}

.pe-panel__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pe-accent);
}

.pe-panel__cat {
  font-family: var(--pe-font-en);
}

.pe-panel__num {
  font-variant-numeric: tabular-nums;
  color: var(--pe-ink-2);
}

.pe-panel__title {
  display: grid;
  gap: 2px;
  margin-top: 10px;
  line-height: 1.2;
}

.pe-panel__title > :first-child {
  font-size: var(--pe-fs-panel);
  font-weight: 700;
}

.pe-panel__title > :last-child {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pe-ink-2);
}

.pe-panel__desc {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  font-size: var(--pe-fs-body);
  line-height: 1.6;
  color: var(--pe-ink-2);
}

.pe-panel__desc > :last-child {
  font-size: 0.86em;
  color: var(--pe-ink-3);
}

/* ───────── Gallery slider ───────── */

.pe-slider {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--pe-radius);
  background: var(--pe-bg-2);
  box-shadow: var(--pe-shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  isolation: isolate;
}

.pe-panel.is-live .pe-slider {
  pointer-events: auto; /* the rest of the scene stays click-through */
}

/* Arrows / dots always tappable — parent may still be pointer-events:none */
.pe-slider__btn,
.pe-slider__dots,
.pe-slider__viewport {
  pointer-events: auto;
}

.pe-slider__count {
  direction: ltr;
  unicode-bidi: isolate;
}

.pe-slider__viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  touch-action: pan-y; /* vertical swipes keep scrolling the page */
  cursor: grab;
  outline: none;
  -webkit-user-select: none;
  user-select: none;
}

.pe-slider--single .pe-slider__viewport { cursor: default; }
.pe-slider.is-dragging .pe-slider__viewport { cursor: grabbing; }

.pe-slider__viewport:focus-visible {
  box-shadow: inset 0 0 0 2px var(--pe-accent);
  border-radius: inherit;
}

.pe-slider__track {
  display: flex;
  height: 100%;
  transition: transform 0.75s cubic-bezier(0.22, 0.8, 0.2, 1);
}

.pe-slider.is-dragging .pe-slider__track { transition: none; }

.pe-slide {
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  overflow: hidden;
}

/* Blurred copy fills any letterbox so the full photo can be shown uncropped */
.pe-slide__bg {
  position: absolute;
  inset: -10%;
  width: 120%;
  height: 120%;
  object-fit: cover;
  filter: blur(26px) brightness(0.42) saturate(1.25);
  transform: translateZ(0);
}

.pe-slide__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transform: scale(0.94);
  opacity: 0.4;
  transition: transform 0.9s cubic-bezier(0.22, 0.8, 0.2, 1), opacity 0.6s ease;
}

.pe-slide.is-active .pe-slide__img {
  transform: scale(1);
  opacity: 1;
}

.pe-slider::after {
  /* legibility for dots + counter */
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 64px;
  background: linear-gradient(180deg, transparent, rgba(7, 8, 10, 0.6));
  pointer-events: none;
  z-index: 1;
}

.pe-slider--single::after { display: none; }

.pe-slider__btn {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 44px;
  height: 44px;
  margin-top: -22px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(10, 12, 15, 0.62);
  color: var(--pe-ink);
  cursor: pointer;
  opacity: 0.85;
  transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.pe-slider__btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pe-slider__btn--prev { left: 12px; }
.pe-slider__btn--next { right: 12px; }

.pe-slider__btn:hover {
  opacity: 1;
  border-color: var(--pe-accent);
  background: rgba(10, 12, 15, 0.82);
  transform: scale(1.06);
}

.pe-slider__btn:active { transform: scale(0.94); }

.pe-slider__btn:focus-visible {
  outline: 2px solid var(--pe-accent);
  outline-offset: 2px;
}

.pe-slider__foot {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  pointer-events: none;
}

.pe-slider__dots {
  display: flex;
  gap: 4px;
  pointer-events: auto;
}

.pe-slider__dot {
  position: relative;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.pe-slider__dot::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.pe-slider__dot[aria-current="true"]::before {
  background: var(--pe-accent);
  transform: scale(1.35);
  box-shadow: 0 0 10px var(--pe-accent);
}

.pe-slider__dot:focus-visible {
  outline: 2px solid var(--pe-accent);
  outline-offset: -4px;
  border-radius: 50%;
}

.pe-slider__count {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  font-variant-numeric: tabular-nums;
  color: var(--pe-ink-2);
}

/* Autoplay progress */
.pe-slider__progress {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--pe-accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  opacity: 0.85;
}

.pe-slider.is-playing .pe-slider__progress {
  animation: pe-slide-progress var(--pe-slide-ms, 4200ms) linear forwards;
}

@keyframes pe-slide-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* Broken image placeholder */
.pe-img--broken img {
  visibility: hidden;
}

.pe-img--broken::before {
  content: attr(data-alt);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--pe-ink-3);
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0 10px, transparent 10px 20px),
    var(--pe-bg-2);
}

/* ───────── Progress rail (passive) ───────── */

.pe-rail {
  position: absolute;
  z-index: 3;
  inset-inline-end: clamp(14px, 2.2vw, 34px);
  top: 50%;
  height: min(42vh, 360px);
  margin-top: calc(min(42vh, 360px) / -2);
  width: 2px;
  pointer-events: none;
}

.pe-rail__track,
.pe-rail__fill {
  position: absolute;
  inset: 0;
  border-radius: 2px;
}

.pe-rail__track {
  background: rgba(255, 255, 255, 0.1);
}

.pe-rail__fill {
  background: linear-gradient(180deg, var(--pe-brand), color-mix(in srgb, var(--pe-brand) 50%, #fff));
  transform-origin: 50% 0;
  transform: scaleY(0);
}

.pe-rail__mark {
  position: absolute;
  left: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--pe-bg);
  box-shadow: inset 0 0 0 1.5px var(--pe-brand);
  opacity: 0.4;
}

.pe-rail__label {
  position: absolute;
  z-index: 3;
  bottom: calc(clamp(16px, 3vh, 28px) + env(safe-area-inset-bottom, 0px));
  inset-inline-end: clamp(14px, 2.2vw, 34px);
  width: max-content;
  max-width: 34vw;
  pointer-events: none;
  display: grid;
  gap: 2px;
  text-align: end;
  font-size: 0.7rem;
  line-height: 1.3;
  color: var(--pe-ink-2);
}

.pe-rail__label > :last-child {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pe-ink-3);
}

/* will-change only while the scene is actually moving */
.pe-animating .pe-card,
.pe-animating .pe-dial,
.pe-animating .pe-node,
.pe-animating .pe-panel__copy,
.pe-animating .pe-slider {
  will-change: transform, opacity;
}