/**
 * assets/css/single-work.css
 * Complete styles for the Single Work / Case Study detail page.
 * Covers hero, video modal, content layout, gallery, related projects, and responsive.
 *
 * @package 9A_Production
 */

/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — HERO
══════════════════════════════════════════════════════════════════════════════ */

.work-detail-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-bg-primary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.work-detail-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.6) 40%,
      rgba(0, 0, 0, 0.35) 70%,
      rgba(0, 0, 0, 0.2) 100%);
  z-index: 1;
}

.work-detail-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-height) + var(--space-20));
  padding-bottom: var(--space-12);
  width: 100%;
}

/* Breadcrumbs on hero */
.work-detail-hero .breadcrumbs {
  margin-bottom: var(--space-6);
}

.work-detail-hero .breadcrumbs__list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.work-detail-hero .breadcrumbs__item {
  font-size: var(--type-body-sm);
  color: rgba(255, 255, 255, 0.5);
}

.work-detail-hero .breadcrumbs__item a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.work-detail-hero .breadcrumbs__item a:hover {
  color: var(--color-accent-gold);
}

.work-detail-hero .breadcrumb__sep {
  margin: 0 var(--space-2);
  color: rgba(255, 255, 255, 0.3);
}

/* Hero meta block */
.work-detail-hero__meta {
  max-width: 720px;
}

.work-detail-hero__meta .work-card__category {
  display: inline-block;
  font-size: var(--type-label);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--space-3);
}

.work-detail-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  text-transform: uppercase;
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-5);
}

.work-detail-hero__info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.work-detail-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--type-body-sm);
  color: rgba(255, 255, 255, 0.7);
}

.work-detail-meta-item i {
  color: var(--color-accent-gold);
  font-size: 14px;
}

/* Play button */
.work-detail-hero__play-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding: 14px 32px;
  background: transparent;
  border: 2px solid var(--color-accent-gold);
  border-radius: var(--radius-full);
  color: var(--color-accent-gold);
  font-family: var(--font-body);
  font-size: var(--type-body-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--duration-normal) var(--ease-out),
    color var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.work-detail-hero__play-btn:hover {
  background: var(--color-accent-gold);
  color: #000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.work-detail-hero__play-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid currentColor;
  border-radius: 50%;
  flex-shrink: 0;
}

.work-detail-hero__play-icon svg {
  margin-left: 3px;
}


/* ══════════════════════════════════════════════════════════════════════════════
   VIDEO MODAL
══════════════════════════════════════════════════════════════════════════════ */

.video-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal[hidden] {
  display: none;
}

.video-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.video-modal__body {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 1100px;
}

.video-modal__close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  transition:
    background var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.video-modal__close:hover {
  background: var(--color-accent-gold);
  color: #000;
  transform: scale(1.1);
}

.video-modal__frame-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.video-modal__frame-wrap iframe,
.video-modal__frame-wrap video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* MP4 native video — don't crop */
.video-modal__frame-wrap .work-modal-video {
  object-fit: contain;
}

/* ── Portrait mode (YouTube Shorts / Instagram Reels) ────────────────────── */
.video-modal__frame-wrap.is-portrait {
  aspect-ratio: 9 / 16;
  width: min(430px, 90vw);
  max-height: 85vh;
  margin: 0 auto;
}

.video-modal__frame-wrap.is-portrait iframe,
.video-modal__frame-wrap.is-portrait video {
  object-fit: contain;
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — CONTENT BODY
══════════════════════════════════════════════════════════════════════════════ */

.work-detail-body {
  padding-block: var(--space-20);
  background: var(--color-bg-primary);
}

.work-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-16);
  align-items: start;
}

/* Main content area */
.work-detail-main {
  min-width: 0;
}

/* Service tags */
.work-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.work-detail-tags .tag {
  display: inline-block;
  font-size: var(--type-label);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Content blocks (Challenge / Solution) */
.work-detail-block {
  margin-bottom: var(--space-12);
}

.work-detail-block__title {
  font-family: var(--font-display);
  font-size: var(--type-h3);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent-gold);
  display: inline-block;
}

.work-detail-block .prose {
  font-size: var(--type-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.work-detail-block .prose p {
  margin-bottom: var(--space-4);
}

.work-detail-block .prose p:last-child {
  margin-bottom: 0;
}

.work-detail-block .prose strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

.work-detail-block .prose a {
  color: var(--color-accent-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.work-detail-block .prose a:hover {
  opacity: 0.8;
}

.work-detail-block .prose ul,
.work-detail-block .prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.work-detail-block .prose li {
  margin-bottom: var(--space-2);
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — SIDEBAR (Results Card)
══════════════════════════════════════════════════════════════════════════════ */

.work-detail-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-8));
}

.work-results-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

/* Gold top accent bar */
.work-results-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg,
      var(--color-accent-gold) 0%,
      var(--color-accent-gold-dim) 100%);
}

.work-results-card__title {
  font-family: var(--font-display);
  font-size: var(--type-h4);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-wide);
}

.work-results-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.work-results-card__list li {
  position: relative;
  padding: var(--space-4) 0;
  padding-left: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--type-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.work-results-card__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.work-results-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: calc(var(--space-4) + 7px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-gold);
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — GALLERY
══════════════════════════════════════════════════════════════════════════════ */

.work-gallery {
  padding-block: var(--space-20);
  background: "#f3f3f3"
}

.work-gallery__title {
  font-family: var(--font-display);
  font-size: var(--type-h2);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-12);
}

.work-gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.work-gallery__item {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  cursor: pointer;
  position: relative;
}

.work-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.work-gallery__item:hover img {
  transform: scale(1.05);
}

/* Gallery masonry effect — make some items span 2 columns */
.work-gallery__item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

/* Hover overlay on gallery images */
.work-gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background var(--duration-normal) var(--ease-out);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.work-gallery__item:hover::after {
  background: rgba(0, 0, 0, 0.15);
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — RELATED PROJECTS
══════════════════════════════════════════════════════════════════════════════ */

.related-work {
  padding-block: var(--space-20);
  background: var(--color-bg-primary);
}

.related-work .section-header__headline {
  font-family: var(--font-display);
  font-size: var(--type-h2);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-12);
}

.related-work .portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap-lg);
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — BACK TO PORTFOLIO LINK
══════════════════════════════════════════════════════════════════════════════ */

.work-detail-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--type-body-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-8);
  transition: color var(--duration-normal) var(--ease-out);
}

.work-detail-back:hover {
  color: var(--color-accent-gold);
}

.work-detail-back i {
  font-size: 12px;
  transition: transform var(--duration-normal) var(--ease-out);
}

.work-detail-back:hover i {
  transform: translateX(-4px);
}


/* ══════════════════════════════════════════════════════════════════════════════
   SINGLE WORK — CONTENT REVEAL ANIMATIONS
══════════════════════════════════════════════════════════════════════════════ */

.work-detail-hero__meta,
.work-detail-hero__play-btn {
  opacity: 0;
  transform: translateY(20px);
  animation: workDetailReveal 0.7s var(--ease-out) forwards;
}

.work-detail-hero__meta {
  animation-delay: 0.2s;
}

.work-detail-hero__play-btn {
  animation-delay: 0.5s;
}

@keyframes workDetailReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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


/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET (≤1024px)
══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {

  .work-detail-hero {
    min-height: 420px;
  }

  .work-detail-hero__title {
    font-size: clamp(30px, 5vw, 48px);
  }

  .work-detail-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .work-detail-sidebar {
    position: static;
  }

  .work-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .work-gallery__item:first-child {
    grid-column: span 2;
    grid-row: span 1;
  }

  .related-work .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
  }
}


/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (≤768px)
══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  .work-detail-hero {
    min-height: 360px;
  }

  .work-detail-hero__inner {
    padding-top: calc(var(--header-height) + var(--space-12));
    padding-bottom: var(--space-8);
  }

  .work-detail-hero__title {
    font-size: clamp(26px, 7vw, 36px);
  }

  .work-detail-hero__info {
    gap: var(--space-4);
  }

  .work-detail-hero__play-btn {
    padding: 12px 24px;
    font-size: 13px;
  }

  .work-detail-hero__play-icon {
    width: 34px;
    height: 34px;
  }

  .work-detail-body {
    padding-block: var(--space-12);
  }

  .work-detail-layout {
    gap: var(--space-8);
  }

  .work-results-card {
    padding: var(--space-6);
  }

  .work-gallery {
    padding-block: var(--space-12);
  }

  .work-gallery__title {
    font-size: var(--type-h3);
    margin-bottom: var(--space-8);
  }

  .work-gallery__grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .work-gallery__item:first-child {
    grid-column: span 1;
  }

  .related-work {
    padding-block: var(--space-12);
  }

  .related-work .section-header__headline {
    font-size: var(--type-h3);
    margin-bottom: var(--space-8);
  }

  .related-work .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .video-modal__body {
    width: 95vw;
  }

  .video-modal__close {
    top: -42px;
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  /* Portrait video on mobile */
  .video-modal__frame-wrap.is-portrait {
    width: min(92vw, 400px);
    max-height: 82vh;
  }
}


/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (≤480px)
══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {

  .work-detail-hero {
    min-height: 300px;
  }

  .work-detail-hero__title {
    font-size: 26px;
  }

  .work-detail-tags .tag {
    font-size: 10px;
    padding: 4px 12px;
  }

  .work-detail-block__title {
    font-size: var(--type-h4);
  }
}