/* ============================================================
   CASE STUDIES — showcase, cards, archive, single page
   ============================================================ */

/* ── Industry filter chips ────────────────────────────────── */
.industry-filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.industry-filter-chip {
  padding: 0.4rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
  font-family: var(--font-body);
}

.industry-filter-chip:hover,
.industry-filter-chip.is-active {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-black);
}

/* ── Homepage horizontal showcase ────────────────────────── */
.showcase-horizontal {
  position: relative;
  overflow: hidden;
  padding-bottom: var(--space-xl);
}

.showcase-horizontal__header {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
}

.showcase-horizontal__track {
  display: flex;
  will-change: transform;
}

.showcase-horizontal__panel {
  width: 100vw;
  flex-shrink: 0;
  padding: 0 var(--space-xl) var(--space-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-horizontal__glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: 1200px;
  width: 100%;
}

.showcase-horizontal__chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 139, 0, 0.15);
  border: 1px solid rgba(255, 139, 0, 0.3);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-md);
}

.showcase-horizontal__client {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.showcase-horizontal__client strong { color: var(--text-primary); }

.showcase-horizontal__tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--space-xl);
}

/* Results table */
.showcase-horizontal__table,
.cs-results__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
  margin-bottom: var(--space-xl);
}

.showcase-horizontal__table th,
.cs-results__table th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.showcase-horizontal__table td,
.cs-results__table td {
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.showcase-horizontal__table tr.is-highlighted td,
.cs-results__table tr.is-highlighted td {
  color: var(--color-orange);
  font-weight: 600;
}

.showcase-horizontal__delta,
.cs-results__delta {
  color: var(--color-orange) !important;
  font-weight: 700;
}

.showcase-horizontal__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.showcase-horizontal__screenshot {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
}

.showcase-horizontal__screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-lg);
}

/* Progress bar */
.showcase-horizontal__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-subtle);
}

.showcase-horizontal__progress-bar {
  height: 100%;
  background: var(--color-orange);
  width: 0;
  transition: width 100ms linear;
}

/* Mobile: horizontal scroll-snap carousel fallback */
@media (max-width: 1023px) {
  .showcase-horizontal__track {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .showcase-horizontal__track::-webkit-scrollbar { display: none; }

  .showcase-horizontal__panel {
    scroll-snap-align: start;
    padding: 0 var(--space-md) var(--space-2xl);
  }

  .showcase-horizontal__glass {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .showcase-horizontal__screenshot { display: none; }
}

/* ── Case study archive grid ──────────────────────────────── */
.portfolio-grid-section { padding: var(--space-3xl) 0; }

.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

/* Cards */
.cs-card {
  transition: opacity 350ms ease, transform 350ms ease;
}

.cs-card.is-hidden {
  display: none;
}

.cs-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.cs-card__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--surface-2);
}

.cs-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.cs-card:hover .cs-card__image { transform: scale(1.04); }

.cs-card__image--placeholder {
  background: linear-gradient(135deg, var(--surface-2), var(--surface-3));
}

.cs-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 30%, rgba(10, 10, 10, 0.9));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity 300ms ease;
}

.cs-card:hover .cs-card__overlay { opacity: 1; }

.cs-card__industry-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-xs);
}

.cs-card__metric {
  font-family: var(--font-heading);
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cs-card__cta {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-orange);
}

.cs-card__body { padding: var(--space-md) 0; }

.cs-card__title {
  font-family: var(--font-heading);
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.cs-card__tagline {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Single case study ────────────────────────────────────── */
.cs-detail-hero {
  padding: var(--space-3xl) 0 0;
}

.cs-detail-hero__top { margin-bottom: var(--space-2xl); }

.cs-detail-hero__chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 139, 0, 0.15);
  border: 1px solid rgba(255, 139, 0, 0.3);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: var(--space-md);
}

.cs-detail-hero__client {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: var(--space-md);
}

.cs-detail-hero__tagline {
  font-size: var(--font-lg);
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.6;
}

.cs-detail-hero__metrics {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.cs-detail-hero__metric { display: flex; flex-direction: column; gap: 0.25rem; }

.cs-detail-hero__metric-after {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--color-white);
}

.cs-detail-hero__metric-delta {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--color-orange);
}

.cs-detail-hero__metric-label {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.cs-detail-hero__image-wrap {
  width: 100%;
  margin-top: var(--space-2xl);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  max-height: 560px;
}

.cs-detail-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* Quick facts */
.cs-facts { padding: var(--space-xl) 0; border-bottom: 1px solid var(--border-subtle); }

.cs-facts__grid {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.cs-facts__item { display: flex; flex-direction: column; gap: 0.25rem; }

.cs-facts__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cs-facts__value {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
}

/* CS sections */
.cs-section { padding: var(--space-3xl) 0; }

.cs-section__grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-2xl);
}

.cs-section__body {
  font-size: var(--font-lg);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Results table */
.cs-results { padding: var(--space-3xl) 0; }

/* Testimonial */
.cs-testimonial { padding: var(--space-3xl) 0; text-align: center; }

.cs-testimonial__quote {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  font-weight: 500;
  color: var(--text-primary);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  line-height: 1.3;
}

.cs-testimonial__author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--text-muted);
}

.cs-testimonial__author strong { color: var(--color-orange); }

/* Gallery */
.cs-gallery { padding: var(--space-3xl) 0; }

.cs-gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.cs-gallery__item {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
}

.cs-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.cs-gallery__item:hover img { transform: scale(1.04); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lightbox[hidden] { display: none; }

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  transition: color 200ms ease;
}

.lightbox__close:hover { color: var(--color-orange); }

.lightbox__close svg { width: 32px; height: 32px; }

.lightbox__image {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  object-fit: contain;
}

/* More work */
.cs-more { padding: var(--space-3xl) 0; }

.cs-grid--more {
  grid-template-columns: repeat(3, 1fr);
}

.cs-more__link { text-align: center; margin-top: var(--space-2xl); }

/* Load more */
.portfolio-load-more {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Empty state */
.portfolio-empty,
.showcase-horizontal__empty {
  text-align: center;
  padding: var(--space-3xl) 0;
  color: var(--text-muted);
}

.portfolio-empty a,
.showcase-horizontal__empty a { color: var(--color-orange); }

@media (max-width: 768px) {
  .cs-section__grid { grid-template-columns: 1fr; }
  .cs-grid { grid-template-columns: 1fr; }
  .cs-grid--more { grid-template-columns: 1fr; }
  .cs-detail-hero__metrics { gap: var(--space-xl); }
  .cs-facts__grid { flex-direction: column; gap: var(--space-md); }
}