/* ═══════════════════════════════════════════════════════════════
   WORK DETAIL — Case Study
   ═══════════════════════════════════════════════════════════════ */

@layer components {

  /* Main wrapper */
  .work-detail {
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
  }

  /* ─── Hero ───────────────────────────────────────────── */
  .wd-hero {
    position: relative;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
  }

  .wd-hero__bg {
    position: absolute;
    inset: -10%; /* extra space for parallax */
    width: 120%;
    height: 120%;
    z-index: 0;
  }

  .wd-hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8);
  }

  .wd-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.4) 50%, rgba(10, 10, 10, 0.1) 100%);
  }

  .wd-hero__content {
    position: relative;
    z-index: 10;
    padding: var(--gutter);
    padding-bottom: clamp(3rem, 6vh, 6rem);
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .wd-hero__back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    transition: color var(--duration-normal) var(--ease-out-expo);
  }
  .wd-hero__back:hover {
    color: var(--color-accent);
  }

  .wd-hero__title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 8rem);
    line-height: 0.9;
    letter-spacing: -0.02em;
    max-width: 15ch;
  }

  .wd-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(2rem, 5vw, 4rem);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-subtle);
    padding-top: var(--spacing-lg);
  }

  .wd-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .wd-hero__meta-label {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
  }

  .wd-hero__meta-value {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
  }

  /* ─── Sections ───────────────────────────────────────── */
  .wd-section {
    padding-block: clamp(6rem, 15vh, 12rem);
  }

  .wd-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  @media (min-width: 768px) {
    .wd-split {
      grid-template-columns: 1fr 2fr;
      gap: clamp(4rem, 8vw, 8rem);
    }
  }

  .wd-split__label {
    position: relative;
  }

  .wd-body-large {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    line-height: 1.3;
    color: var(--color-text);
  }

  .wd-body {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 60ch;
  }

  .wd-pullquote {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.1;
    color: var(--color-accent);
    margin-bottom: var(--spacing-2xl);
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-xl);
  }

  /* ─── Horizontal Gallery ─────────────────────────────── */
  .wd-gallery-wrap {
    height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-bg-surface);
    overflow: hidden;
  }

  .wd-gallery__track {
    display: flex;
    gap: var(--spacing-xl);
    padding-inline: var(--gutter);
    height: 70vh;
    will-change: transform;
  }

  .wd-gallery__slide {
    flex: 0 0 auto;
    width: clamp(300px, 60vw, 900px);
    height: 100%;
    position: relative;
    overflow: hidden;
  }

  .wd-gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9);
  }

  /* ─── Before/After Slider ────────────────────────────── */
  .ba-slider {
    position: relative;
    width: 100%;
    height: clamp(400px, 60vh, 800px);
    overflow: hidden;
    user-select: none;
    background-color: var(--color-bg-surface);
  }

  .ba-slider__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .ba-slider__before {
    position: absolute;
    inset: 0;
    z-index: 10;
  }

  .ba-slider__divider {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-accent);
    z-index: 20;
    transform: translateX(-50%);
    cursor: ew-resize;
  }

  .ba-slider__handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  }

  .ba-slider__label {
    position: absolute;
    bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(4px);
    color: var(--color-text);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 15;
    pointer-events: none;
  }

  .ba-slider__label--before { left: var(--spacing-md); }
  .ba-slider__label--after { right: var(--spacing-md); }
  
  .ba-slider__caption {
    margin-top: var(--spacing-md);
    text-align: right;
  }

  /* ─── 3D Device ──────────────────────────────────────── */
  .wd-device-section {
    position: relative;
    padding-block: var(--spacing-3xl);
    background-color: var(--color-bg-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
  }

  .wd-device__canvas-wrap {
    width: 100vw;
    height: clamp(500px, 70vh, 900px);
    cursor: grab;
  }
  .wd-device__canvas-wrap:active {
    cursor: grabbing;
  }

  /* ─── Tech Stack ─────────────────────────────────────── */
  .wd-tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    border-top: 1px solid var(--color-border-subtle);
    padding-top: var(--spacing-2xl);
  }

  .wd-tech-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .wd-tech-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text);
  }

  .wd-tech-role {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
  }

  /* ─── Timeline ───────────────────────────────────────── */
  .wd-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: relative;
  }

  .wd-timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background-color: var(--color-border-subtle);
  }

  .wd-timeline__phase {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
  }

  .wd-timeline__dot {
    width: 11px;
    height: 11px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
  }

  .wd-timeline__name {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    min-width: 120px;
  }

  .wd-timeline__weeks {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
  }

  /* ─── Outcomes ───────────────────────────────────────── */
  .wd-outcomes {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .wd-outcome {
    display: flex;
    gap: var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-text);
  }

  .wd-outcome__dot {
    margin-top: 0.6rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
  }

  /* ─── Next Project ───────────────────────────────────── */
  .wd-next {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-decoration: none;
  }

  .wd-next__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 10;
    text-align: center;
    text-decoration: none;
  }

  .wd-next__label {
    color: var(--color-text-secondary);
  }

  .wd-next__name {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6vw, 6rem);
    color: var(--color-text);
    transition: color var(--duration-normal) var(--ease-out-expo);
  }

  .wd-next__link:hover .wd-next__name {
    color: var(--color-accent);
  }

  .wd-next__image-wrap {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.3;
    transition: opacity var(--duration-slow) var(--ease-out-expo), transform var(--duration-slow) var(--ease-out-expo);
    transform: scale(1.05);
  }

  .wd-next__link:hover .wd-next__image-wrap,
  .wd-next:hover .wd-next__image-wrap {
    opacity: 0.6;
    transform: scale(1);
  }

  .wd-next:hover .wd-next__name {
    color: var(--color-accent);
  }

  .wd-next__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}