/* ============================================
   Project Scrolly — Pentagram-style split narrative
   Sticky text (left) + scrolling media (right)
   ============================================ */

html:has(.project-scrolly) {
  --scrolly-sticky-offset: calc(
    var(--page-padding-y) + var(--nav-bar-block-height) + 2px + var(--space-3)
  );
}

html:has(.project-scrolly).nav-scroll-hidden {
  --scrolly-sticky-offset: calc(var(--page-padding-y) + var(--space-3));
}

/* Pulse + Orientation — same outer rhythm */
.page.pulse .pulse__content-flow:has(> .project-scrolly),
.page.orientation .orientation__content-flow:has(> .project-scrolly),
.page.mykorrizha .mykorrizha__content-flow:has(> .project-scrolly),
.page.aidea .aidea__content-flow:has(> .project-scrolly),
.page.handshake .handshake__content-flow:has(> .project-scrolly) {
  gap: 0;
}

.project-scrolly__track .project-scrolly__step {
  content-visibility: auto;
  contain-intrinsic-size: auto 50vh;
}

.page.pulse .project-scrolly__track .project-scrolly__step {
  content-visibility: visible;
  contain-intrinsic-size: none;
}

:root {
  --project-scrolly-sticky-top: var(--scrolly-sticky-offset, calc(var(--page-padding-y) + var(--nav-bar-block-height, calc(var(--nav-control-height) + 2 * var(--space-2))) + var(--space-2)));
  --project-scrolly-transition-duration: 0.5s;
}

.project-scrolly {
  --project-scrolly-media-gap: var(--space-1);
  --project-scrolly-strip-aspect: 16 / 5;
  --project-scrolly-media-max-h: min(56vh, 32rem);
  --project-scrolly-strip-max-h: min(32vh, 11rem);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: var(--project-content-gap);
  align-items: start;
  min-width: 0;
}

.project-scrolly__sticky {
  position: sticky;
  top: var(--project-scrolly-sticky-top);
  align-self: start;
  z-index: 2;
  min-width: 0;
  padding: 0;
  contain: layout style;
  transition: top 0.2s var(--ease-entrance);
}

.project-scrolly__panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  width: 100%;
  min-width: 0;
  padding-top: var(--space-1);
}

.project-scrolly__panel--hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.project-scrolly__section-title {
  margin: 0;
  color: var(--color-text-primary);
}

.project-scrolly__section-title + .project-scrolly__hero-title,
.project-scrolly__section-title + .project-scrolly__text {
  margin-top: var(--space-3);
}

.project-scrolly__hero-title {
  margin: 0;
  color: var(--color-text-primary);
}

.project-scrolly__hero-title + .project-scrolly__hero-meta,
.project-scrolly__hero-title + .project-scrolly__text {
  margin-top: var(--space-3);
}

.project-scrolly__hero-meta + .project-scrolly__text {
  margin-top: var(--space-3);
}

.project-scrolly__hero-meta--mobile {
  display: none;
}

.project-scrolly__hero-intro {
  margin: 0;
  color: var(--color-text-body);
}

.project-scrolly__video {
  width: 100%;
  aspect-ratio: var(--aspect-video);
  overflow: hidden;
  line-height: 0;
  background-color: var(--color-surface-primary);
}

.project-scrolly__video-embed {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Stacked panels — tallest panel sets height; no layout jump on switch */
.project-scrolly__panel {
  grid-area: 1 / 1;
  align-self: start;
  width: 100%;
  min-width: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  transition: none;
}

.project-scrolly__panel.is-active {
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-scrolly__text {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: var(--weight-regular);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text-body);
  margin: 0;
}

.project-scrolly__text + .project-scrolly__text {
  margin-top: var(--space-3);
}

/* One rhythm for track, steps, and every media block */
.project-scrolly__track,
.project-scrolly__track > .project-scrolly__step {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--project-scrolly-media-gap);
  min-width: 0;
  width: 100%;
  margin: 0;
  padding: 0;
}

.page.pulse .project-scrolly__track > .project-scrolly__step.section {
  gap: var(--project-scrolly-media-gap);
}

.project-scrolly__step--pad {
  min-height: min(56vh, 32rem);
  padding: 0;
}

.page.pulse .project-scrolly .pulse__designs-content {
  display: contents;
  gap: 0;
  margin: 0;
  padding: 0;
}

.project-scrolly__track .pulse__framing-figure,
.project-scrolly__figure {
  display: block;
  margin: 0;
  padding: 0;
  min-width: 0;
  width: 100%;
  height: fit-content;
  line-height: 0;
  overflow: hidden;
}

/* UI exports — full width, 16:9 */
.project-scrolly__track .pulse__framing-block-img:not(.pulse__framing-block-img--full) {
  box-sizing: border-box;
  width: 100%;
  aspect-ratio: var(--aspect-video);
  height: auto;
  max-height: var(--project-scrolly-media-max-h);
  object-fit: cover;
  object-position: top center;
  display: block;
  margin: 0;
  vertical-align: top;
}

/* Hero + full-width UI — use full 16:9 height (no max-height cap) */
.project-scrolly__track .pulse__hero-step .pulse__framing-block-img,
.project-scrolly__track .pulse__hero-step .project-scrolly__video,
.project-scrolly__track .pulse__hero-step .project__yt-embed {
  max-height: none;
}

.project-scrolly__track .pulse__hero-step .pulse__framing-block-img:not(.pulse__framing-block-img--full) {
  aspect-ratio: var(--aspect-video);
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: top center;
}

/* Hero detail frame (4:3) — full height, no crop */
.project-scrolly__track .pulse__hero-step .pulse__framing-block-img--full {
  aspect-ratio: auto;
  max-height: none;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.project-scrolly__track .pulse__hero-step .pulse__framing-figure:has(.pulse__framing-block-img--full) {
  overflow: visible;
  background-color: var(--color-surface-primary);
}

/* Research / story frames — show full image, height from content only */
.project-scrolly__track .pulse__framing-block-img--full {
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
  max-height: var(--project-scrolly-media-max-h);
}

.project-scrolly__track .pulse__poster-cell,
.project-scrolly__track .pulse__person-cell {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: top center;
  display: block;
  margin: 0;
}

.project-scrolly__track .pulse__poster-row,
.project-scrolly__track .pulse__person-row {
  display: grid;
  width: 100%;
  height: fit-content;
  gap: var(--project-scrolly-media-gap);
  margin: 0;
  align-items: stretch;
  overflow: hidden;
  aspect-ratio: var(--project-scrolly-strip-aspect, 16 / 5);
}

.project-scrolly__track .pulse__poster-row {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.project-scrolly__track .pulse__person-row--cols-3,
.project-scrolly__track .pulse__person-row.pulse__person-row--cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-scrolly__track .pulse__person-row--cols-4,
.project-scrolly__track .pulse__person-row.pulse__person-row--cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.page.pulse .project-scrolly__track .pulse__framing-block-img,
.page.pulse .project-scrolly__track .pulse__poster-cell,
.page.pulse .project-scrolly__track .pulse__person-cell,
.page.pulse .project-scrolly__track .pulse__ui-cell,
.page.pulse .project-scrolly__track .project-scrolly__video,
.page.pulse .project-scrolly__track .project__yt-embed {
  box-sizing: border-box;
  border: 1px solid var(--color-border);
}

.project-scrolly__track .pulse__ui-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  width: 100%;
  gap: var(--project-scrolly-media-gap);
  margin: 0;
  align-items: stretch;
  overflow: hidden;
}

.project-scrolly__track .pulse__ui-cell {
  width: 100%;
  min-width: 0;
  height: 100%;
  aspect-ratio: var(--aspect-portrait);
  object-fit: cover;
  object-position: top center;
  display: block;
}

@media (max-width: 768px) {
  .project-scrolly__track .pulse__poster-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-scrolly__track .pulse__ui-row {
    grid-template-columns: repeat(7, minmax(5.5rem, 1fr));
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .project-scrolly__track .pulse__ui-row::-webkit-scrollbar {
    display: none;
  }
}

/* Mobile: text above each media block, no sticky */
@media (max-width: 1024px) {
  .project-scrolly {
    grid-template-columns: 1fr;
  }

  .project-scrolly__sticky {
    display: none;
  }

  .project-scrolly__step {
    gap: var(--project-scrolly-media-gap);
  }

  .project-scrolly__step-mobile-copy {
    display: block;
  }

  .project-scrolly__step-mobile-copy--hero {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
  }

  .project-scrolly__step-mobile-copy--hero .project-scrolly__hero-title {
    margin: 0;
  }

  .project-scrolly__hero-meta--mobile {
    display: block;
  }

  .project-scrolly__step-mobile-copy .project-scrolly__text {
    font-size: var(--text-md);
  }
}

@media (min-width: 1025px) {
  .project-scrolly__step-mobile-copy {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-scrolly__panel.is-active {
    transition: opacity 0.15s ease, visibility 0s;
  }
}