/* case-study.css */
body.case-study-body {
  /* Case-study spacing rhythm (4px base, aligned with ds-eyebrow / ds-case-meta) */
  --case-space-xs: 8px;
  --case-space-sm: 14px;
  --case-space-md: clamp(16px, 2vw, 20px);
  --case-space-lg: clamp(20px, 2.5vw, 28px);
  --case-space-xl: clamp(24px, 3vw, 32px);
  --case-space-2xl: clamp(32px, 4vw, 48px);
  --case-space-intro: clamp(36px, 5vw, 56px);
  --case-space-section: clamp(64px, 8vw, 88px);
  --case-space-section-major: clamp(80px, 10vw, 112px);
  --case-space-heading-body: clamp(18px, 2.5vw, 28px);
  --case-space-lede-media: clamp(28px, 3.5vw, 40px);
  --case-space-stack: clamp(16px, 2vw, 24px);
  --case-space-grid: clamp(16px, 2vw, 24px);
  --case-space-copy-media: clamp(28px, 5vw, 64px);
  --case-space-step-block: clamp(32px, 4vw, 48px);

  /* Case-study typography rhythm (maps to tokens.css type + text-on-dark roles) */
  --case-type-body: var(--text-on-dark-72);
  --case-type-body-strong: var(--text-on-dark-82);
  --case-type-caption: var(--text-on-dark-62);
  --case-type-muted: var(--text-on-dark-55);
  --case-type-caption-size: clamp(0.88rem, 1.1vw, 0.98rem);
  --case-type-card-title-size: var(--type-case-step-size);
  --case-type-feature-title-size: clamp(1.5rem, 2.8vw, 2.2rem);

  height: 100%;
  min-height: 100%;
  overflow: hidden;
  scroll-behavior: auto;
}

/* Scroll lives below the fixed header (same pattern as homepage #app). */
body.case-study-body > .case-study-root {
  position: fixed;
  z-index: 2;
  inset: var(--site-header-height, var(--public-header-height-desktop, 74px)) 0 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  /* Avoid scroll jumps when hero copy/fonts hydrate after reload. */
  overflow-anchor: none;
  scroll-behavior: auto;
}

.case-study-header {
  position: sticky;
  top: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  background: var(--public-header-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

@media (min-width: 768px) {
  .case-study-header {
    min-height: var(--public-header-height-desktop, 74px);
    height: var(--public-header-height-desktop, 74px);
    padding: var(--public-header-padding-y) var(--public-header-padding-x);
  }
}

/* Standalone portfolio pages: pin header above scrolling content (reveals,
   hero media, etc. create stacking contexts that can paint over sticky). */
body.case-study-body > .case-study-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

.case-study-root {
  padding:
    clamp(28px, 5vh, 56px)
    clamp(20px, 5vw, 48px)
    clamp(64px, 10vh, 120px);
}

.case-intro {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* --- Case study typography roles --- */

.case-hero-tag,
.case-meta-grid span,
.case-distribution-eyebrow,
.case-related-card span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-leading);
  letter-spacing: var(--type-eyebrow-tracking);
  text-transform: uppercase;
}

.case-step-index {
  color: var(--accent-alt);
  font-family: var(--font-mono);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-eyebrow-tracking);
  text-transform: uppercase;
}

.case-hero-summary,
.case-section > p,
.case-gallery-lede,
.case-bts-lede,
.case-step p,
.case-results-lede,
.case-results-points-item,
.case-performance__note {
  color: var(--case-type-body);
  font-size: var(--type-body-size);
  line-height: var(--type-body-leading);
}

.case-meta-grid p,
.case-results-intro,
.case-performance__label,
.case-product-lede {
  color: var(--case-type-body-strong);
  font-size: var(--type-body-size);
  line-height: var(--type-body-leading);
}

.case-product-fineprint,
.case-tool-download-file {
  color: var(--case-type-caption);
  font-size: var(--case-type-caption-size);
  line-height: var(--type-body-leading);
}

.case-section h2,
.case-related h2 {
  font-size: var(--type-case-section-size);
  font-weight: var(--type-headline-weight);
  letter-spacing: var(--type-headline-tracking);
  text-transform: uppercase;
}

.case-step h3 {
  font-size: var(--case-type-card-title-size);
  font-weight: var(--type-title-weight);
  letter-spacing: var(--type-headline-tracking);
  text-transform: uppercase;
}

.case-product-title {
  font-size: var(--case-type-feature-title-size);
  font-weight: var(--type-display-weight);
  line-height: var(--type-display-leading);
  letter-spacing: var(--type-display-tracking);
  text-transform: none;
}

.case-related-card strong {
  font-size: var(--case-type-card-title-size);
  font-weight: var(--type-title-weight);
  line-height: var(--type-headline-leading);
  letter-spacing: var(--type-headline-tracking);
  text-transform: uppercase;
}

.case-product-file {
  color: var(--case-type-caption);
  font-family: var(--font-mono);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-label-tracking);
  text-transform: uppercase;
}

/* Scroll/load reveals — GSAP per-item (case-study-reveals.js + gsap-bounce.js) */
.case-enter-item {
  opacity: 0;
}

/* Intro copy/meta: full transform during first paint batch. */
body.case-motion-gsap .case-intro .case-enter-item:not(.case-hero-media) {
  will-change: transform, opacity;
}

/* Video shells: transform during enter only (cleared after is-gsap-enter-done). */
body.case-motion-gsap .case-intro .case-hero-media.case-enter-item,
body.case-motion-gsap .case-bts-media.case-enter-item,
body.case-motion-gsap .case-tool-media.case-enter-item {
  will-change: transform, opacity;
}

body.case-motion-gsap .case-enter-item--fade {
  will-change: opacity;
}

body.case-motion-gsap .case-cta .primary-btn,
body.case-motion-gsap .case-cta .ghost-btn,
body.case-motion-gsap .case-performance__cta,
body.case-motion-gsap .case-product-cta,
body.case-motion-gsap .case-tool-download {
  transition:
    border-color var(--duration-ui-fast) var(--ease-flow),
    background var(--duration-ui-fast) var(--ease-flow),
    box-shadow var(--duration-ui-shadow) var(--ease-flow),
    color var(--duration-ui-fast) var(--ease-flow),
    filter var(--duration-ui-fast) var(--ease-flow);
}

body.case-motion-gsap .case-cta .primary-btn:hover,
body.case-motion-gsap .case-cta .ghost-btn:hover,
body.case-motion-gsap .case-performance__cta:hover,
body.case-motion-gsap .case-product-cta:hover,
body.case-motion-gsap .case-tool-download:hover,
body.case-motion-gsap .case-cta .primary-btn:active,
body.case-motion-gsap .case-cta .ghost-btn:active,
body.case-motion-gsap .case-performance__cta:active,
body.case-motion-gsap .case-product-cta:active,
body.case-motion-gsap .case-tool-download:active {
  transform: none;
}

body.case-motion-gsap .case-related-card {
  transition:
    border-color var(--duration-ui-card) var(--ease-flow),
    box-shadow var(--duration-ui-card) var(--ease-flow);
}

body.case-motion-gsap .case-related-card:hover,
body.case-motion-gsap .case-related-card:active {
  transform: none;
}

.case-hero {
  margin: 0;
}

.case-hero-tag {
  margin: 0 0 var(--case-space-sm);
}

.case-hero-title {
  margin: 0;
  max-width: 16ch;
  font-size: var(--type-display-size);
  font-weight: var(--type-display-weight);
  line-height: var(--type-display-leading);
  letter-spacing: var(--type-display-tracking);
  text-transform: uppercase;
}

.case-hero-summary {
  max-width: 62ch;
  margin: var(--case-space-xl) 0 0;
}

.case-hero-media {
  position: relative;
  margin-top: var(--case-space-2xl);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--border-white-14);
  border-radius: var(--radius-ui-box);
  background: var(--surface-case-deep);
  contain: paint;
  transition: border-color var(--duration-case-border) var(--ease-flow);
}

.case-hero-media:hover,
.case-media-item:hover {
  border-color: var(--border-accent-55);
}

.case-hero-media.is-playing {
  border-color: var(--border-accent-55);
}

.case-hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-hero-media--hls-host .vp-poster img,
.case-hero-media--hls-host .vp-video,
.case-hero-media:not(.case-hero-media--hls-host) video {
  filter: none;
}

.case-hero-media--hls-host::after {
  display: none;
}

.case-hero-media:not(.is-playing):not(.case-hero-media--hls-host)::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--text) 4%, transparent) 0%,
    color-mix(in srgb, var(--text) 1%, transparent) 100%
  );
  pointer-events: none;
}

.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: var(--case-space-intro) 0 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-ui-box);
  overflow: hidden;
}

.case-meta-grid > div {
  padding: var(--case-space-heading-body);
  background: var(--surface-case-panel);
}

.case-meta-grid > div + div {
  border-left: 1px solid var(--line);
}

.case-meta-grid span {
  display: block;
  margin-bottom: var(--case-space-xs);
}

.case-meta-grid p {
  margin: 0;
}

.case-section {
  max-width: var(--content-max-width);
  margin: var(--case-space-section) auto 0;
}

.case-section h2 {
  margin: 0 0 var(--case-space-heading-body);
}

.case-section > p {
  margin: 0;
  max-width: 68ch;
}

.case-section > p:not(:last-child) {
  margin-bottom: var(--case-space-lede-media);
}

.case-steps {
  display: grid;
  gap: 0;
  margin-top: var(--case-space-lede-media);
}

.case-section > p + .case-steps {
  margin-top: 0;
}

.case-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--case-space-copy-media);
  align-items: center;
  padding: var(--case-space-step-block) 0;
  border-top: 1px solid var(--border-white-10);
}

.case-step--flip .case-step-copy {
  order: 2;
}

.case-step--flip .case-step-figure {
  order: 1;
}

.case-step--copy-only {
  grid-template-columns: 1fr;
}

.case-step-copy {
  min-width: 0;
}

.case-step p {
  margin: 0;
  max-width: none;
}

.case-step-index {
  display: block;
  margin-bottom: var(--case-space-sm);
}

.case-step h3 {
  margin: 0 0 var(--case-space-sm);
}

.case-step-figure {
  min-width: 0;
}

.case-step-figure--single .case-media-item {
  aspect-ratio: var(--case-phase-aspect, 640 / 348);
  width: 100%;
  border-radius: var(--radius-ui-box);
  background: var(--bg-case-step-figure);
  overflow: hidden;
}

.case-step-figure--single .case-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.case-step-figure--square .case-media-item {
  aspect-ratio: 1 / 1;
  max-width: min(100%, 420px);
  margin-inline: auto;
}

.case-step-figure--square .case-media-item img {
  object-fit: cover;
}

.case-tool-download {
  margin-top: var(--case-space-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--btn-height);
  padding: 0 clamp(12px, 2vw, 14px);
  border-radius: var(--radius-ui);
  border: 1px solid var(--border);
  background: var(--btn-ghost-bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--case-type-caption-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-body-tracking);
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color var(--duration-ui-fast) var(--ease-flow),
    background var(--duration-ui-fast) var(--ease-flow),
    color var(--duration-ui-fast) var(--ease-flow);
}

.case-tool-download:hover {
  border-color: color-mix(in srgb, var(--accent) 78%, transparent);
  background: var(--btn-ghost-bg-hover);
  color: var(--text);
}

.case-tool-download:focus-visible {
  outline: 1px solid var(--accent-alt);
  outline-offset: 2px;
}

.case-tool-download:active {
  background: color-mix(in srgb, var(--btn-ghost-bg-hover) 88%, var(--workspace-black));
}

.case-tool-download-icon {
  flex-shrink: 0;
  color: var(--muted);
  overflow: visible;
  transition: color var(--duration-ui-fast) var(--ease-flow);
}

.case-tool-download:hover .case-tool-download-icon {
  color: var(--text-secondary);
}

.case-tool-download-arrow {
  transform-box: view-box;
  transform-origin: 12px 15px;
}

.case-tool-download-tray {
  transform-box: view-box;
  transform-origin: 12px 21px;
}

.case-tool-download.is-bouncing .case-tool-download-arrow {
  animation:
    toolDownloadArrowMove 0.55s linear infinite,
    toolDownloadArrowSquash 0.55s linear infinite;
}

.case-tool-download.is-bouncing .case-tool-download-tray {
  animation:
    toolDownloadTrayMove 0.55s linear infinite,
    toolDownloadTraySquash 0.55s linear infinite;
}

@keyframes toolDownloadArrowMove {
  0%,
  100% {
    translate: 0 0;
    animation-timing-function: cubic-bezier(0.85, 0, 0.15, 1);
  }
  54.84% {
    translate: 0 4px;
    animation-timing-function: cubic-bezier(0.09, 0, 0.66, 1);
  }
}

@keyframes toolDownloadArrowSquash {
  0%,
  100% {
    scale: 1 1;
    animation-timing-function: cubic-bezier(0.97, 0, 0.76, 0.65);
  }
  54.84% {
    scale: 1.31 0.85;
    animation-timing-function: cubic-bezier(0.24, 0.35, 0.03, 1);
  }
}

@keyframes toolDownloadTrayMove {
  0%,
  32.26%,
  100% {
    translate: 0 0;
  }
  32.26% {
    animation-timing-function: cubic-bezier(0.46, 0, 0.03, 1);
  }
  58.06% {
    translate: 0 0.5px;
    animation-timing-function: cubic-bezier(0.24, 0, 0.03, 1);
  }
}

@keyframes toolDownloadTraySquash {
  0%,
  32.26%,
  100% {
    scale: 1 1;
  }
  32.26% {
    animation-timing-function: cubic-bezier(0.46, 0, 0.62, 0.73);
  }
  58.06% {
    scale: 1.22 0.79;
    animation-timing-function: cubic-bezier(0.24, 0.33, 0.03, 1);
  }
}

.case-tool-download-label {
  white-space: nowrap;
}

.case-tool-download-file {
  font-family: inherit;
  font-weight: 500;
  white-space: nowrap;
}

.case-tool-download-file::before {
  content: "·";
  margin: 0 0.4em;
  color: var(--soft);
  font-weight: 400;
}

@media (prefers-reduced-motion: reduce) {
  .case-tool-download {
    transition: none;
  }

  .case-tool-download:active {
    background: var(--btn-ghost-bg-hover);
  }

  .case-tool-download.is-bouncing .case-tool-download-arrow,
  .case-tool-download.is-bouncing .case-tool-download-tray {
    animation: none;
    translate: none;
    scale: none;
  }
}

.case-bts-lede {
  max-width: 68ch;
  margin: 0 0 var(--case-space-lede-media);
}

.case-bts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--case-space-lede-media);
}

.case-bts-item {
  display: grid;
  gap: var(--case-space-stack);
}

.case-bts-item--featured {
  grid-column: 1 / -1;
  position: relative;
  padding: var(--case-space-xl) var(--case-space-2xl);
  border: 1px solid var(--border-white-14);
  border-radius: var(--radius-ui-box);
  background: var(--bg-case-highlight);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent);
}

.case-bts-item--featured .case-bts-media {
  aspect-ratio: 1280 / 1920;
  width: 100%;
  max-width: calc(min(76vh, 680px) * 1280 / 1920);
  height: auto;
  margin: 0 auto;
}

.case-bts-item--featured .case-bts-preview {
  object-fit: cover;
}

.case-bts-item--featured .case-bts-copy h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
}

.case-bts-item--featured .case-bts-copy p {
  max-width: 56ch;
  font-size: 0.98rem;
}

@media (min-width: 768px) {
  .case-bts-item--featured {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    gap: var(--case-space-copy-media);
    align-items: center;
  }

  .case-bts-item--featured .case-bts-media {
    width: auto;
    height: min(76vh, 680px);
    max-width: none;
    margin: 0;
  }
}

.case-bts-media,
.case-tool-media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border-white-14);
  border-radius: var(--radius-ui-box);
  background: var(--surface-case-deep);
  transition:
    border-color var(--duration-case-border) var(--ease-flow),
    transform var(--duration-ui-transform) var(--ease-flow);
}

.case-bts-media {
  aspect-ratio: 16 / 9;
}

.case-tool-media {
  aspect-ratio: 1 / 1;
  max-width: min(100%, 420px);
  margin-inline: auto;
}

.case-bts-media:hover,
.case-tool-media:hover {
  border-color: var(--border-accent-55);
  transform: translateY(var(--lift-hover-sm));
  outline: none;
}

.case-bts-preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.case-bts-copy h3 {
  margin: 0 0 var(--case-space-xs);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.case-bts-copy p {
  margin: 0;
  max-width: 42ch;
  color: var(--text-on-dark-62);
  font-size: 0.92rem;
  line-height: 1.65;
}

.case-results-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 1.05fr);
  gap: var(--case-space-copy-media);
  align-items: stretch;
}

.case-results-grid:not(:has(.case-results-aside)) {
  grid-template-columns: 1fr;
}

.case-results-copy {
  display: flex;
  flex-direction: column;
  gap: var(--case-space-xl);
  padding-top: var(--case-space-xs);
}

.case-results-intro,
.case-performance__label {
  margin: 0;
  max-width: 52ch;
}

.case-results-lede {
  margin: 0;
  max-width: 68ch;
}

.case-results-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--case-space-sm);
}

.case-results-points-item {
  position: relative;
  padding-left: 1.25em;
}

.case-results-points-item::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-alt);
}

.case-results .case-cta {
  margin-top: var(--case-space-md);
  gap: var(--case-space-md);
}

.case-results-aside {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding-left: var(--case-space-2xl);
  border-left: 1px solid var(--border-white-12);
}

.case-performance {
  display: flex;
  flex-direction: column;
  gap: var(--case-space-sm);
  width: 100%;
}

.case-performance__metric {
  margin: 0;
  line-height: 0.9;
}

.case-performance__metric-value {
  display: block;
  background: var(--btn-primary-bg-hover);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-size: var(--type-case-performance-metric-size);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.92;
}

.case-performance__notes {
  margin: var(--case-space-xs) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--case-space-sm);
}

.case-performance__footer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: var(--case-space-md);
  padding-top: 0;
}

.case-results .case-cta .ghost-btn,
.case-performance__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: auto;
  min-height: var(--btn-height);
  padding: 0 clamp(14px, 2vw, 18px);
  border: 1px solid var(--border-white-12);
  border-radius: var(--radius-ui);
  background: var(--btn-ghost-bg);
  color: var(--text-on-dark-82);
  font-family: var(--font-mono);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-label-tracking);
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition:
    color var(--duration-ui-fast) var(--ease-flow),
    border-color var(--duration-ui-cta) var(--ease-flow),
    background var(--duration-ui-cta) var(--ease-flow),
    box-shadow var(--duration-ui-cta) var(--ease-flow);
}

.case-results .case-cta .ghost-btn:hover,
.case-performance__cta:hover {
  border-color: color-mix(in srgb, var(--accent) 78%, transparent);
  background: var(--btn-ghost-bg-hover);
  color: var(--text);
  box-shadow: 0 0 20px var(--fill-accent-8);
}

.case-results .case-cta .ghost-btn:focus-visible,
.case-performance__cta:focus-visible {
  outline: 1px solid var(--accent-alt);
  outline-offset: 2px;
}

.case-performance__cta svg {
  flex-shrink: 0;
  transition: transform var(--duration-ui-cta) var(--ease-flow);
}

.case-performance__cta:hover svg {
  transform: translateX(2px);
}

@media (max-width: 900px) {
  .case-results-grid {
    grid-template-columns: 1fr;
  }

  .case-results-aside {
    padding-left: 0;
    padding-top: var(--case-space-lede-media);
    border-left: none;
    border-top: 1px solid var(--border-white-12);
  }
}

@media (max-width: 640px) {
  .case-bts-grid {
    grid-template-columns: 1fr;
    gap: var(--case-space-xl);
  }

  .case-results .case-cta .ghost-btn,
  .case-performance__cta {
    justify-content: center;
    width: 100%;
  }
}

.case-distribution-stack {
  position: relative;
  display: flex;
  flex-direction: column;
}

.case-distribution-eyebrow {
  margin: 0 0 var(--case-space-sm);
  white-space: nowrap;
}

.case-product-card {
  position: relative;
  padding: var(--case-space-2xl) var(--case-space-copy-media);
  border: 1px solid var(--border-white-14);
  border-radius: var(--radius-ui-box);
  background: var(--bg-case-highlight);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--text) 5%, transparent),
    0 20px 48px color-mix(in srgb, var(--workspace-black) 35%, transparent);
  overflow: hidden;
  transition:
    border-color var(--duration-ui-card) var(--ease-flow),
    box-shadow var(--duration-ui-card) var(--ease-flow);
}

.case-product-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -35%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--fill-accent-8), transparent);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-35%, 0, 0);
}

.case-product-card:focus-within {
  border-color: var(--border-accent-alt-42);
  box-shadow: var(--shadow-case-related-hover);
}

.case-product-card:focus-within::after {
  opacity: 1;
}

.case-product-card > * {
  position: relative;
  z-index: 1;
}

.case-product-title {
  margin: 0 0 var(--case-space-md);
  max-width: none;
}

.case-product-lede {
  margin: 0;
  max-width: none;
}

.case-product-meta {
  margin: var(--case-space-md) 0 var(--case-space-xl);
}

.case-product-file {
  display: inline;
}

.case-product-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--case-space-md);
  margin-top: var(--case-space-xs);
}

.case-product-cta {
  gap: 10px;
  padding-inline: clamp(18px, 2.4vw, 24px);
}

.case-product-cta svg {
  transition: transform var(--duration-ui-cta) var(--ease-flow);
}

.case-product-cta:hover svg {
  transform: translateX(2px);
}

.case-product-cta:focus-visible {
  outline: 1px solid var(--accent-alt);
  outline-offset: 2px;
}

.case-product-fineprint {
  max-width: 68ch;
  color: var(--case-type-muted);
}

@media (prefers-reduced-motion: reduce) {
  .case-hero-media,
  .case-bts-media,
  .case-tool-media,
  .case-media-item,
  .case-related-card,
  .case-product-card {
    transition: none;
  }

  .case-bts-media:hover,
  .case-tool-media:hover,
  .case-related-card:hover,
  .case-related-card:active {
    transform: none;
  }

  .case-product-cta:hover svg,
  .case-performance__cta:hover svg {
    transform: none;
  }
}

.case-related {
  max-width: var(--content-max-width);
  margin: var(--case-space-section-major) auto 0;
  padding-top: var(--case-space-2xl);
  border-top: 1px solid var(--border-white-12);
}

.case-related h2 {
  margin: 0 0 var(--case-space-xl);
}

.case-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--case-space-stack);
}

.case-related-card {
  position: relative;
  display: grid;
  gap: var(--case-space-sm);
  padding: var(--case-space-md) var(--case-space-lg);
  border: 1px solid var(--border-white-14);
  border-radius: var(--radius-ui-box);
  background: var(--surface-case-card-soft);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition:
    border-color var(--duration-ui-card) var(--ease-flow),
    transform var(--duration-ui-card) var(--ease-flow),
    box-shadow var(--duration-ui-card) var(--ease-flow);
}

.case-related-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -35%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--fill-accent-alt-12), transparent);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-35%, 0, 0);
  transition: opacity var(--duration-ui-transform) var(--ease-flow);
}

.case-related-card:hover {
  border-color: var(--border-accent-alt-42);
  transform: translateY(var(--lift-hover-sm));
  box-shadow: var(--shadow-case-related-hover);
}

.case-related-card:focus-visible {
  outline: 1px solid var(--accent-alt);
  outline-offset: 2px;
  border-color: var(--border-accent-alt-42);
}

.case-related-card:active {
  transform: translateY(0);
}

.case-related-card:hover::after {
  opacity: 1;
  animation: compositedSweep 8s ease-in-out infinite;
  will-change: transform, opacity;
}

@media (prefers-reduced-motion: reduce) {
  .case-related-card:hover::after {
    animation: none;
  }
}

.case-related-card > * {
  position: relative;
  z-index: 1;
}


.case-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--case-space-sm);
  margin-top: var(--case-space-copy-media);
}

.case-cta .primary-btn,
.case-cta .ghost-btn {
  min-width: clamp(180px, 22vw, 220px);
}

@media (max-width: 900px) {
  .case-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-meta-grid > div + div {
    border-left: none;
  }

  .case-meta-grid > div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .case-meta-grid > div:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .case-related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .case-meta-grid {
    grid-template-columns: 1fr;
  }

  .case-meta-grid > div:nth-child(even) {
    border-left: none;
  }

  .case-meta-grid > div:not(:first-child) {
    border-top: 1px solid var(--line);
  }
}

/* --- Gallery + lightbox media (1:1 thumbs) --- */

.case-gallery-lede {
  max-width: 68ch;
  margin: 0 0 var(--case-space-lede-media);
}

.case-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--case-space-grid);
}

.case-media-item {
  margin: 0;
  cursor: zoom-in;
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-ui-box);
  background: var(--surface-case-deep);
  border: 1px solid var(--border-white-10);
  overflow: hidden;
  transition: border-color var(--duration-case-border) var(--ease-flow);
}

.case-media-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: var(--surface-case-deep);
  user-select: none;
  -webkit-user-drag: none;
}

.case-step-figure--tool {
  padding: 0;
  border: 0;
  background: none;
}

.case-bts-media[data-lightbox],
.case-tool-media[data-lightbox] {
  cursor: zoom-in;
}

@media (max-width: 900px) {
  .case-step {
    grid-template-columns: 1fr;
    gap: var(--case-space-xl);
    align-items: start;
  }

  .case-step--flip .case-step-copy,
  .case-step--flip .case-step-figure {
    order: unset;
  }

  .case-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .case-gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (hover: none) {
  .case-bts-media:hover,
  .case-tool-media:hover,
  .case-related-card:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-enter-item {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
  }
}


/* lightbox.css */
/* Case-study immersive lightbox (open/nav FLIP; close uses direct geometry — case-study-lightbox.js) */

.lb-placeholder {
  border-radius: var(--radius-ui-box);
  background: var(--surface-case-deep);
}

.lb {
  position: fixed;
  inset: 0;
  z-index: 1000;
  /* Pass wheel / middle-mouse autoscroll through to #case-study-root below. */
  pointer-events: none;
}

.lb[hidden] {
  display: none;
}

.lb.is-closing {
  /* FLIP close tracks the thumbnail — paint under the fixed case-study header. */
  z-index: 50;
}

.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.92);
  opacity: 0;
  transition: opacity 0.42s cubic-bezier(0.22, 0.9, 0.26, 1);
}

.lb.is-visible .lb-backdrop {
  opacity: 1;
}

.lb-stage {
  position: absolute;
  inset: 0;
}

/* Re-enable hits on media + chrome; .lb itself stays pointer-events:none. */
.lb-frame,
.lb-btn,
.lb-counter {
  pointer-events: auto;
}

.lb-frame {
  position: fixed;
  transform-origin: 0 0;
  border-radius: var(--radius-ui-box);
  overflow: hidden;
  touch-action: none;
}

.lb-frame img,
.lb-frame video,
.lb-zoomer {
  transform-origin: 50% 50%;
  touch-action: none;
}

.lb-frame img,
.lb-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: auto;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.lb-zoomer {
  width: 100%;
  height: 100%;
  position: relative;
}

.lb-zoomer img.lb-ultra {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.lb-zoomer img.lb-ultra.is-loaded {
  opacity: 1;
}

.lb:is(.mode-image, .mode-video) .lb-frame {
  cursor: zoom-in;
}

.lb:is(.mode-image, .mode-video).is-zoomed .lb-frame {
  cursor: grab;
}

/* Pressed while zoomed — stage keeps grabbing cursor when the frame moves under the pointer. */
.lb.is-panning .lb-stage {
  pointer-events: auto;
  cursor: grabbing;
}

.lb:is(.mode-image, .mode-video).is-zoomed.is-panning .lb-frame {
  cursor: grabbing;
}

.lb-btn {
  position: fixed;
  z-index: 10;
  margin: 0;
  padding: 14px;
  min-width: 56px;
  min-height: 56px;
  border: 0;
  background: transparent;
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.22, 0.9, 0.26, 1);
}

.lb-btn-icon {
  display: block;
}

.lb.is-visible .lb-btn {
  opacity: 1;
}

@media (hover: hover) {
  .lb-btn:hover {
    color: var(--accent);
  }
}

.lb-btn[hidden] {
  display: none;
}

.lb-close {
  top: max(16px, env(safe-area-inset-top));
  right: 16px;
}

.lb-prev {
  left: 16px;
  top: 50%;
  translate: 0 -50%;
}

.lb-next {
  right: 16px;
  top: 50%;
  translate: 0 -50%;
}

.lb-counter {
  position: fixed;
  z-index: 10;
  top: max(26px, env(safe-area-inset-top));
  left: 50%;
  translate: -50% 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.22, 0.9, 0.26, 1);
}

.lb.is-visible .lb-counter {
  opacity: 1;
}

.lb-counter[hidden] {
  display: none;
}

@media (max-width: 760px) {
  .lb-prev {
    top: auto;
    bottom: max(20px, env(safe-area-inset-bottom));
    translate: none;
  }

  .lb-next {
    top: auto;
    bottom: max(20px, env(safe-area-inset-bottom));
    translate: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lb-backdrop,
  .lb-btn,
  .lb-counter {
    transition: none;
  }
}


/* video-player.css */
/* HLS VideoPlayer (portfolio-cdn) — hero player only */

/* --- Tokens --- */

.vp-root {
  --vp-surface: rgba(5, 5, 7, 0.92);
  --vp-surface-soft: rgba(8, 8, 10, 0.72);
  --vp-text: rgba(245, 248, 255, 0.94);
  --vp-text-muted: rgba(245, 248, 255, 0.76);
  --vp-line: var(--border, rgba(255, 255, 255, 0.16));
  --vp-yt-icon: 36px;
  --vp-yt-radius: var(--radius-ui-box, 8px);
  --vp-yt-gradient: linear-gradient(90deg, var(--accent, #0066ff), var(--cyan, #00e5ff));
  --vp-thumb-size: 11px;
  --vp-thumb-radius: 50%;
  --vp-ease-enter: var(--ease-flow, cubic-bezier(0.16, 1, 0.3, 1));
  --vp-dur-instant: 120ms;
  --vp-dur-feedback: 200ms;
  --vp-dur-ui: 280ms;
  --vp-dur-panel: 360ms;
  --vp-yt-motion: var(--vp-dur-feedback) var(--vp-ease-enter);
}

/* --- Shell --- */

.vp-root {
  position: relative;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--vp-yt-radius);
  background: #050507;
  isolation: isolate;
}

.case-hero-media--hls-host {
  display: block;
  position: relative;
}

.case-hero-hls-mount {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
}

.case-hero-hls-mount .vp-root {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  min-height: 200px;
}

.case-hero-media--hls .vp-root {
  border-radius: 0;
}

.vp-video {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #050507;
}

.vp-video:picture-in-picture {
  object-fit: contain;
}

.vp-root video::-webkit-media-controls {
  display: none !important;
}

.vp-poster {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  transition: opacity var(--vp-dur-ui) var(--vp-ease-enter);
}

.vp-poster.is-hidden {
  opacity: 0;
}

.vp-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.vp-vignette {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(5, 5, 7, 0.82) 0%,
    rgba(5, 5, 7, 0.34) 18%,
    rgba(5, 5, 7, 0.08) 46%,
    rgba(5, 5, 7, 0.18) 100%
  );
  opacity: 0;
  transition: opacity var(--vp-dur-feedback) var(--vp-ease-enter);
}

.vp-root:hover .vp-vignette,
.vp-root:focus-within .vp-vignette,
.vp-root.is-loading .vp-vignette,
.vp-root.is-error .vp-vignette {
  opacity: 1;
}

.vp-root:fullscreen,
.vp-root.is-fullscreen {
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  aspect-ratio: auto;
  overflow: visible;
  border-radius: 0;
  background: #050507;
}

.vp-root:fullscreen .vp-video,
.vp-root.is-fullscreen .vp-video,
.vp-root:fullscreen .vp-poster img,
.vp-root.is-fullscreen .vp-poster img {
  object-fit: contain;
}

/* --- Title (optional) --- */

.vp-status {
  display: none;
}

.vp-title {
  pointer-events: none;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  padding: 16px 18px;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    opacity var(--vp-dur-ui) var(--vp-ease-enter),
    transform var(--vp-dur-ui) var(--vp-ease-enter);
}

.vp-title.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.vp-title-kicker {
  display: none;
}

.vp-title-text {
  margin: 0;
  max-width: min(54ch, 78vw);
  font-family: var(--font-sans, sans-serif);
  font-size: clamp(0.82rem, 1.4vw, 1rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0;
  color: rgba(245, 248, 255, 0.88);
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.58);
}

/* --- Loading & error --- */

.vp-loading {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(5, 5, 7, 0.5);
  pointer-events: none;
  animation: vp-fade-in var(--vp-dur-panel) var(--vp-ease-enter) both;
}

.vp-spinner {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(245, 248, 255, 0.22);
  border-top-color: rgba(245, 248, 255, 0.86);
  border-radius: 50%;
  background: none;
  animation:
    vp-spin 0.95s linear infinite,
    vp-buffer-glow 1.6s var(--vp-ease-enter) infinite;
}

.vp-loading-text {
  display: none;
}

.vp-error {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  text-align: center;
  background: rgba(5, 5, 7, 0.82);
  animation: vp-fade-in var(--vp-dur-ui) var(--vp-ease-enter) both;
}

.vp-error-text {
  margin: 0;
  max-width: 28ch;
  font-family: var(--font-sans, sans-serif);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--vp-text-muted);
}

.vp-error-retry {
  min-height: 44px;
  min-width: 44px;
  border: 0;
  border-radius: var(--radius-ui, 4px);
  padding: 0 18px;
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #050507;
  background: rgba(245, 248, 255, 0.92);
  cursor: pointer;
  transition:
    background var(--vp-dur-feedback) var(--vp-ease-enter),
    transform var(--vp-dur-instant) var(--vp-ease-enter);
}

.vp-error-retry:hover {
  background: rgba(245, 248, 255, 1);
}

.vp-root.is-loading .vp-bar {
  opacity: 0.45;
  pointer-events: none;
}

/* --- Center play --- */

.vp-play-center {
  position: absolute;
  inset: 0;
  z-index: 3;
  margin: auto;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: none;
  color: rgba(255, 255, 255, 0.96);
  cursor: pointer;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.55));
  transform-origin: center center;
  transition:
    color var(--vp-yt-motion),
    filter var(--vp-yt-motion);
  animation: vp-play-in var(--vp-dur-ui) var(--vp-ease-enter) both;
}

.vp-play-center:hover:not(:disabled) {
  color: rgba(255, 255, 255, 1);
}

.vp-play-center:disabled {
  opacity: 0.55;
  cursor: wait;
}

.vp-play-icon {
  width: 100%;
  height: 100%;
  margin-left: 4px;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1.15;
  stroke-linejoin: round;
  stroke-linecap: round;
}

/* --- Control bar --- */

.vp-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 4px 4px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.42) 55%, transparent 100%);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition:
    opacity var(--vp-dur-ui) var(--vp-ease-enter),
    transform var(--vp-dur-ui) var(--vp-ease-enter);
}

.vp-bar.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.vp-root:has(.vp-menu-list.is-open) .vp-bar,
.vp-root:has(.vp-menu-list.is-closing) .vp-bar {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.vp-bar .vp-controls {
  transform: translateY(5px);
  opacity: 0.92;
  transition:
    transform var(--vp-dur-ui) var(--vp-ease-enter),
    opacity var(--vp-dur-feedback) var(--vp-ease-enter);
  transition-delay: 0ms;
}

.vp-bar.is-visible .vp-controls {
  transform: translateY(0);
  opacity: 1;
  transition-delay: 55ms;
}

.vp-progress-wrap {
  width: 100%;
  padding: 0 8px;
}

.vp-progress-track {
  position: relative;
  height: 18px;
  padding: 0;
  display: flex;
  align-items: center;
}

.vp-progress-rail {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  z-index: 0;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.28);
  pointer-events: none;
  transition:
    height var(--vp-yt-motion),
    margin-top var(--vp-yt-motion);
}

.vp-progress-wrap:hover .vp-progress-rail,
.vp-progress-wrap:focus-within .vp-progress-rail,
.vp-progress-track.is-scrubbing .vp-progress-rail {
  height: 5px;
  margin-top: -2.5px;
}

.vp-progress-buffer {
  position: absolute;
  top: 0;
  bottom: 0;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.42);
  pointer-events: none;
}

.vp-progress-input {
  --vp-played-pct: 0%;
  position: relative;
  z-index: 1;
  width: 100%;
  height: 18px;
  margin: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
  touch-action: none;
}

.vp-progress-input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.vp-progress-input::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 999px;
  background-color: transparent;
  background-image: var(--vp-yt-gradient);
  background-size: var(--vp-played-pct, 0%) 100%;
  background-repeat: no-repeat;
  transition: height var(--vp-yt-motion);
}

.vp-progress-wrap:hover .vp-progress-input::-webkit-slider-runnable-track,
.vp-progress-wrap:focus-within .vp-progress-input::-webkit-slider-runnable-track,
.vp-progress-track.is-scrubbing .vp-progress-input::-webkit-slider-runnable-track {
  height: 5px;
}

.vp-progress-input::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: var(--vp-thumb-size);
  height: var(--vp-thumb-size);
  margin-top: -4px;
  border: 0;
  border-radius: var(--vp-thumb-radius);
  background: #00e5ff;
  box-shadow: none;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.82);
  transition:
    opacity var(--vp-yt-motion),
    transform var(--vp-yt-motion);
}

.vp-progress-wrap:hover .vp-progress-input::-webkit-slider-thumb,
.vp-progress-wrap:focus-within .vp-progress-input::-webkit-slider-thumb,
.vp-progress-track.is-scrubbing .vp-progress-input::-webkit-slider-thumb {
  opacity: 1;
  transform: scale(1);
  margin-top: -3px;
}

.vp-progress-input::-moz-range-track {
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  transition: height var(--vp-yt-motion);
}

.vp-progress-input::-moz-range-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--vp-yt-gradient);
  transition: height var(--vp-yt-motion);
}

.vp-progress-wrap:hover .vp-progress-input::-moz-range-track,
.vp-progress-wrap:focus-within .vp-progress-input::-moz-range-track,
.vp-progress-track.is-scrubbing .vp-progress-input::-moz-range-track,
.vp-progress-wrap:hover .vp-progress-input::-moz-range-progress,
.vp-progress-wrap:focus-within .vp-progress-input::-moz-range-progress,
.vp-progress-track.is-scrubbing .vp-progress-input::-moz-range-progress {
  height: 5px;
}

.vp-progress-input::-moz-range-thumb {
  width: var(--vp-thumb-size);
  height: var(--vp-thumb-size);
  border: 0;
  border-radius: var(--vp-thumb-radius);
  background: #00e5ff;
  box-shadow: none;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.82);
  transition:
    opacity var(--vp-yt-motion),
    transform var(--vp-yt-motion);
}

.vp-progress-wrap:hover .vp-progress-input::-moz-range-thumb,
.vp-progress-wrap:focus-within .vp-progress-input::-moz-range-thumb,
.vp-progress-track.is-scrubbing .vp-progress-input::-moz-range-thumb {
  opacity: 1;
  transform: scale(1);
}

.vp-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  width: 100%;
  min-height: var(--vp-yt-icon);
  padding: 4px;
  box-sizing: border-box;
}

.vp-btn-play,
.vp-btn-mute,
.vp-btn-pip,
.vp-btn-fullscreen,
.vp-btn-chevron,
.vp-menu-btn {
  width: var(--vp-yt-icon);
  min-width: var(--vp-yt-icon);
  height: var(--vp-yt-icon);
  border: 0;
  border-radius: var(--vp-yt-radius);
  padding: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.92);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: background var(--vp-yt-motion);
}

.vp-menu-btn {
  width: auto;
  min-width: var(--vp-yt-icon);
  padding: 0 8px;
  font-family: var(--font-sans, sans-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
}

.vp-btn-play:hover:not(:disabled),
.vp-btn-mute:hover:not(:disabled),
.vp-btn-pip:hover:not(:disabled),
.vp-btn-fullscreen:hover:not(:disabled),
.vp-btn-chevron:hover:not(:disabled),
.vp-menu-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.98);
}

.vp-btn-play:active:not(:disabled),
.vp-btn-mute:active:not(:disabled),
.vp-btn-pip:active:not(:disabled),
.vp-btn-fullscreen:active:not(:disabled),
.vp-btn-chevron:active:not(:disabled),
.vp-menu-btn:active:not(:disabled) {
  background: rgba(255, 255, 255, 0.22);
}

.vp-btn-mute:disabled,
.vp-btn-fullscreen:disabled,
.vp-btn-pip:disabled,
.vp-btn-play:disabled,
.vp-btn-chevron:disabled,
.vp-menu-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.vp-menu-btn[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.98);
}

.vp-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.vp-volume-group {
  display: flex;
  align-items: center;
  height: var(--vp-yt-icon);
  flex-shrink: 0;
  transform-origin: center center;
}

.vp-volume {
  width: 0;
  min-width: 0;
  height: var(--vp-yt-icon);
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  transition:
    width var(--vp-yt-motion),
    opacity var(--vp-yt-motion),
    margin var(--vp-yt-motion);
}

.vp-volume-group:hover .vp-volume,
.vp-volume-group:focus-within .vp-volume {
  width: 72px;
  margin-left: 2px;
  opacity: 1;
  pointer-events: auto;
}

.vp-volume input {
  width: 100%;
  height: 18px;
  margin: 0;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
}

.vp-volume input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.vp-volume input::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.28);
  background-image: var(--vp-yt-gradient);
  background-size: var(--vp-volume-pct, 100%) 100%;
  background-repeat: no-repeat;
}

.vp-volume input::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: var(--vp-thumb-size);
  height: var(--vp-thumb-size);
  margin-top: -4px;
  border: 0;
  border-radius: var(--vp-thumb-radius);
  background: #00e5ff;
  box-shadow: none;
  cursor: pointer;
}

.vp-volume input::-moz-range-track {
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.vp-volume input::-moz-range-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--vp-yt-gradient);
}

.vp-volume input::-moz-range-thumb {
  width: var(--vp-thumb-size);
  height: var(--vp-thumb-size);
  border: 0;
  border-radius: var(--vp-thumb-radius);
  background: #00e5ff;
  box-shadow: none;
  cursor: pointer;
}

.vp-time {
  display: inline-flex;
  align-items: center;
  padding: 0 6px;
  font-family: var(--font-sans, sans-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.vp-time-sep {
  opacity: 0.72;
}

.vp-spacer {
  flex: 1;
  min-width: 8px;
}

.vp-menu {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.vp-menu-list {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  min-width: 7.5rem;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--vp-yt-radius);
  background: rgba(12, 12, 14, 0.58);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
}

.vp-menu-list.is-open {
  animation: vp-menu-in var(--vp-dur-feedback) var(--vp-ease-enter) both;
}

.vp-menu-list.is-closing {
  animation: vp-menu-out var(--vp-dur-feedback) var(--vp-ease-enter) both;
  pointer-events: none;
}

.vp-menu-list li + li {
  margin-top: 4px;
}

.vp-menu-list button {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 10px;
  border: 0;
  border-radius: var(--radius-ui, 4px);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.8125rem;
  font-weight: 400;
  text-align: left;
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  cursor: pointer;
  transition: background var(--vp-yt-motion);
}

.vp-menu-list button:hover,
.vp-menu-list button.is-active {
  color: rgba(255, 255, 255, 0.98);
  background: rgba(255, 255, 255, 0.1);
}

.vp-menu-list button.is-active {
  background: rgba(255, 255, 255, 0.14);
}

.vp-menu-list .vp-quality-now {
  color: var(--accent, #0066ff);
  font-weight: 700;
}

/* --- Mobile controls chevron + collapsible extras --- */

.vp-btn-chevron {
  display: none;
}

.vp-btn-chevron .ui-chevron {
  width: 22px;
  height: 22px;
}

.vp-root.is-controls-expanded .vp-btn-chevron {
  background: rgba(255, 255, 255, 0.1);
}

.vp-controls-extra {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: hidden;
  max-width: 0;
  opacity: 0;
  pointer-events: none;
  transition:
    max-width var(--vp-dur-ui) var(--vp-ease-enter),
    opacity var(--vp-dur-feedback) var(--vp-ease-enter);
}

.vp-controls-extra.is-expanded {
  max-width: 320px;
  overflow: visible;
  opacity: 1;
  pointer-events: auto;
}

/* --- Motion keyframes --- */

@keyframes vp-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes vp-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes vp-fade-up-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes vp-play-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes vp-menu-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes vp-menu-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(6px);
  }
}

@keyframes vp-buffer-glow {
  0%,
  100% {
    opacity: 0.72;
  }

  50% {
    opacity: 1;
  }
}

/* --- Gallery helpers (case-study bundle) --- */

.case-hero-media--hls {
  display: block;
}

.og-picture,
.og-picture img {
  display: block;
  width: 100%;
  height: auto;
}

/* --- Responsive (mobile layout ≤768px) --- */

@media (max-width: 768px) {
  .vp-root.is-mobile,
  .vp-root {
    --vp-yt-icon: 44px;
    --vp-thumb-size: 14px;
  }

  .vp-controls-desktop,
  .vp-volume {
    display: none;
  }

  .vp-btn-chevron {
    display: inline-flex;
    -webkit-tap-highlight-color: transparent;
  }

  .vp-root.is-mobile {
    container-type: size;
  }

  .vp-controls-extra .vp-menu-list {
    z-index: 8;
    bottom: calc(100% + 6px);
    min-width: 6.25rem;
    max-height: min(11.75rem, 58cqh);
    padding: 4px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .vp-controls-extra .vp-menu-list li + li {
    margin-top: 2px;
  }

  .vp-controls-extra .vp-menu-list button {
    min-height: 36px;
    padding: 7px 8px;
    font-size: 0.75rem;
  }

  .vp-menu-btn {
    -webkit-tap-highlight-color: transparent;
  }

  .vp-bar {
    gap: 4px;
    padding: 0 0 calc(4px + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.88) 0%,
      rgba(0, 0, 0, 0.52) 58%,
      transparent 100%
    );
  }

  .vp-progress-wrap {
    padding: 0 10px;
  }

  .vp-progress-track {
    height: 28px;
  }

  .vp-progress-rail {
    height: 4px;
    margin-top: -2px;
  }

  .vp-progress-input {
    height: 28px;
  }

  .vp-progress-input::-webkit-slider-runnable-track {
    height: 4px;
  }

  .vp-progress-input::-webkit-slider-thumb {
    opacity: 1;
    transform: scale(1);
    margin-top: -5px;
  }

  .vp-progress-input::-moz-range-track,
  .vp-progress-input::-moz-range-progress {
    height: 4px;
  }

  .vp-progress-input::-moz-range-thumb {
    opacity: 1;
    transform: scale(1);
  }

  .vp-controls {
    gap: 2px;
    padding: 4px 6px;
  }

  .vp-time {
    font-size: 0.75rem;
    padding: 0 4px;
  }

  .vp-play-center {
    width: 60px;
    height: 60px;
  }

  .vp-title {
    padding: 12px 14px;
  }

  .vp-title-text {
    font-size: 0.82rem;
  }

  .vp-btn-play,
  .vp-btn-mute,
  .vp-btn-fullscreen {
    -webkit-tap-highlight-color: transparent;
  }
}

@media (max-width: 420px) {
  .vp-time .vp-time-sep,
  .vp-time span:last-child {
    display: none;
  }
}

/* Case-study hero: GSAP owns button motion (gsap-bounce.js). */
body.case-motion-gsap .vp-root button,
body.case-motion-gsap .vp-volume-group {
  transition:
    border-color var(--duration-ui-fast) var(--ease-flow),
    background var(--duration-ui-fast) var(--ease-flow),
    box-shadow var(--duration-ui-shadow) var(--ease-flow),
    color var(--duration-ui-fast) var(--ease-flow),
    filter var(--duration-ui-fast) var(--ease-flow);
}

body.case-motion-gsap .vp-root button:hover,
body.case-motion-gsap .vp-volume-group:hover,
body.case-motion-gsap .vp-root button:active,
body.case-motion-gsap .vp-volume-group:active {
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .vp-root *,
  .vp-root *::before,
  .vp-root *::after {
    animation: none !important;
    transition: none !important;
  }

  .vp-bar .vp-controls {
    transform: none;
    opacity: 1;
  }

  .vp-volume-group:hover .vp-volume,
  .vp-volume-group:focus-within .vp-volume {
    transition: none;
  }
}