/* ============================================
   Noor — Work rail (horizontal pinned scroll gallery)
   Desktop: GSAP ScrollTrigger pins the section and scrubs
   the track horizontally as the user scrolls vertically.
   Mobile / reduced-motion: native horizontal scroll-snap —
   same visual language, touch-native trigger instead of a pin.
   ============================================ */

.work-rail__pin {
  position: relative;
  height: 82vh;
  min-height: 560px;
  max-height: 860px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  --rail-light-color: var(--accent-current);
}

/* The band lives inside the pin now — the pin (and the scroll stop) starts
   at the band's own top edge, so it's always in full view when it freezes. */
.work-rail__pin > .landing-works__band {
  flex: 0 0 auto;
}

.work-rail__track {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: stretch;
  gap: var(--gutter);
  padding-left: var(--edge-margin);
  padding-right: var(--edge-margin);
  will-change: transform;
}

/* --- Card --- */

.work-rail__card {
  position: relative;
  flex: 0 0 auto;
  width: min(74vw, 860px);
  height: 100%;
}

.work-rail__card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--surface-text);
}

.work-rail__card-link:focus-visible {
  outline: 2px solid var(--accent-focus);
  outline-offset: 4px;
  border-radius: var(--radius-card);
}

/* Meta comes first in both DOM and layout — always above the image and the light */
.work-rail__media {
  position: relative;
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  transition: filter 0.5s ease;
}

.work-rail__card:not([data-active="true"]) .work-rail__media {
  filter: brightness(0.5) saturate(0.85);
}

.work-rail__img {
  position: absolute;
  inset: -6%;
  width: 112%;
  height: 112%;
  will-change: transform, opacity;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-rail__img-tag {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.work-rail__img--base {
  z-index: 1;
}

.work-rail__img--accent {
  z-index: 2;
  opacity: 0.5;
  mix-blend-mode: soft-light;
}

.work-rail__card:not([data-active="true"]) .work-rail__img {
  transform: scale(1.06);
}

/* --- Meta (index + title + desc) — fixed neutral color, never tinted --- */

.work-rail__meta {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: stretch;
  column-gap: var(--space-md);
  padding: 0 var(--space-xs);
  overflow: hidden;
}

.work-rail__index {
  grid-row: 1 / 3;
  display: flex;
  align-items: center;
  font-family: var(--font-ui);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.75rem, 6vw, 4.75rem);
  line-height: 1;
  color: var(--rail-light-color);
  will-change: opacity;
}

.work-rail__title {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: var(--text-h2);
  line-height: 1.15;
  color: var(--surface-text);
}

.work-rail__desc {
  grid-column: 2;
  font-family: var(--font-ui);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--surface-text);
  opacity: 0.5;
  max-width: 42ch;
}

/* --- Progress: one segment per project, filling like a tube of liquid as
   its project comes into view. Sits clear of the cards in its own row —
   never overlapping the images. --- */

.work-rail__progress {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--space-md) var(--edge-margin) 0;
  pointer-events: none;
}

.work-rail__progress-segment {
  position: relative;
  flex: 1 1 0;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.work-rail__progress-fill {
  position: absolute;
  inset: 0;
  transform-origin: left center;
  transform: scaleX(0);
  border-radius: inherit;
  background: var(--rail-light-color);
  opacity: 0.4;
  will-change: transform, filter;
  transition: background 0.5s ease, opacity 0.4s ease;
}

.work-rail__progress-segment[data-state="current"] .work-rail__progress-fill {
  opacity: 1;
  box-shadow:
    0 0 8px 1px var(--rail-light-color),
    0 0 20px 4px color-mix(in srgb, var(--rail-light-color) 55%, transparent);
}

.work-rail__progress-segment[data-state="done"] .work-rail__progress-fill {
  opacity: 0.55;
}

/* --- Reduced motion + mobile: native horizontal scroll-snap, no pin --- */

@media (max-width: 768px), (prefers-reduced-motion: reduce) {
  .work-rail__pin {
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: visible;
    padding-bottom: var(--space-lg);
  }

  .work-rail__track {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    transform: none !important;
  }

  .work-rail__track::-webkit-scrollbar {
    display: none;
  }

  .work-rail__card {
    width: 84vw;
    height: auto;
    scroll-snap-align: center;
  }

  .work-rail__media {
    flex: 0 0 auto;
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 480px) {
  .work-rail__card {
    width: 90vw;
  }

  .work-rail__index {
    font-size: clamp(2.25rem, 12vw, 3.25rem);
  }

  .work-rail__desc {
    max-width: 32ch;
  }
}
