/* ==========================================================================
   TIMY GONZÁLEZ | CASE STUDIES & USE CASES STYLES
   Interactive Grid, Category Filters, Modern Native Dialog & Deep Dives
   ========================================================================== */

.use-cases-section {
  padding: 48px 0 80px 0;
  position: relative;
  z-index: 2;
}

/* Category Filter Tabs */
.filter-tabs-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.filter-btn.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
}

.filter-btn.active.filter-ai {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-violet);
  color: #c084fc;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Case Studies Grid */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 32px;
}

@media (max-width: 640px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.case-card,
.case-card:first-child,
.case-card.featured-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex !important;
  flex-direction: column !important;
  position: relative;
  height: 100% !important;
  grid-column: span 1 !important;
  width: 100% !important;
}

.case-card:first-child .case-thumbnail-container,
.case-card.featured-card .case-thumbnail-container {
  aspect-ratio: 16 / 9 !important;
  min-height: unset !important;
  max-height: unset !important;
  width: 100% !important;
}

.case-card:first-child .case-content,
.case-card.featured-card .case-content {
  padding: 28px !important;
  display: flex !important;
  flex-direction: column !important;
  flex-grow: 1 !important;
  justify-content: flex-start !important;
}

.case-card:first-child .case-title,
.case-card.featured-card .case-title {
  font-size: 1.45rem !important;
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 212, 255, 0.15);
}

.case-card.is-ai:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(139, 92, 246, 0.2);
}

/* Thumbnail Area */
.case-thumbnail-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-surface-2);
}

.case-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover .case-thumbnail {
  transform: scale(1.05);
}

.case-badge-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.badge-tag {
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(10px);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.badge-tag.tag-ai {
  background: rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.5);
  color: #d8b4fe;
}

.badge-tag.tag-fintech {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.5);
  color: #93c5fd;
}

.badge-tag.tag-data {
  background: rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.5);
  color: #6ee7b7;
}

/* Card Body */
.case-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.case-client-name {
  color: var(--accent-cyan);
  font-weight: 600;
}

.case-card.is-ai .case-client-name {
  color: #c084fc;
}

.case-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1.25;
}

.case-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

/* Key Metrics / Highlights in Card */
.case-highlights-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.case-highlight-pill {
  font-size: 0.775rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #cbd5e1;
}

/* Explore CTA Link Button */
.case-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: transparent;
  border: none;
  text-decoration: none;
  cursor: pointer;
  padding: 0;
  margin-top: auto;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.case-card.is-ai .case-card-btn {
  color: #c084fc;
}

.case-card-btn:hover {
  transform: translateX(6px);
  color: #ffffff;
}

.case-card-link-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.case-card a.case-title-link {
  color: inherit;
  text-decoration: none;
}

.case-card a.case-title-link:hover {
  color: var(--accent-cyan);
}

.case-card.is-ai a.case-title-link:hover {
  color: #c084fc;
}

/* ==========================================================================
   NATIVE DIALOG MODAL (Modern Top-Layer Modal Architecture)
   ========================================================================== */

dialog.case-study-dialog {
  position: fixed;
  inset: 0;
  width: 92vw;
  max-width: 1040px;
  max-height: 90vh;
  margin: auto;
  padding: 0;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.85);
  overflow: hidden;
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

/* Modern dialog animation with @starting-style fallback */
dialog.case-study-dialog[open] {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), overlay 0.3s allow-discrete, display 0.3s allow-discrete;
}

@starting-style {
  dialog.case-study-dialog[open] {
    opacity: 0;
    transform: scale(0.95);
  }
}

dialog.case-study-dialog::backdrop {
  background: rgba(5, 8, 15, 0.8);
  backdrop-filter: blur(12px);
  transition: opacity 0.3s ease, overlay 0.3s allow-discrete, display 0.3s allow-discrete;
}

@starting-style {
  dialog.case-study-dialog[open]::backdrop {
    opacity: 0;
  }
}

/* Dialog Header */
.dialog-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-2);
  position: sticky;
  top: 0;
  z-index: 10;
}

.dialog-header-info h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.dialog-header-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.dialog-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dialog-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

/* Dialog Body Scroll Area */
.dialog-body {
  padding: 32px;
  overflow-y: auto;
  flex-grow: 1;
}

.dialog-hero-img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  border: 1px solid var(--border-subtle);
}

/* Deep Dive Sections in Modal */
.detail-block {
  margin-bottom: 36px;
}

.detail-block h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-block h3::before {
  content: '';
  width: 4px;
  height: 18px;
  background: var(--gradient-brand);
  border-radius: 2px;
  display: inline-block;
}

.detail-block.ai-block h3::before {
  background: var(--gradient-ai);
}

.detail-block p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* Persona Box inside Modal */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.persona-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.persona-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.persona-role {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.persona-quote {
  font-style: italic;
  color: #94a3b8;
  font-size: 0.9rem;
  margin-bottom: 12px;
  border-left: 2px solid var(--border-light);
  padding-left: 12px;
}

/* Objectives Grid */
.objectives-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  list-style: none;
}

.objective-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
}

.objective-item strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 6px;
}

.objective-item span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Metrics Banner */
.metrics-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  padding: 24px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-md);
  margin-top: 24px;
}

.metric-banner-item strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-banner-item span {
  font-size: 0.825rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 900px) {
  dialog.case-study-dialog {
    width: 96vw;
    max-height: 94vh;
  }

  .dialog-header {
    padding: 16px 20px;
  }

  .dialog-body {
    padding: 20px;
  }
}

/* ==========================================================================
   DEDICATED FULL-PAGE CASE STUDY STYLES
   Executive-Grade Layout, High-Resolution Mockups & Narrative Deep Dives
   ========================================================================== */

.case-study-page {
  padding-top: 108px;
  padding-bottom: 100px;
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .case-study-page {
    padding-top: 92px;
  }
}

/* Sub-nav & Breadcrumb Bar */
.cs-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 0 28px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 40px;
}

.cs-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.cs-back-btn:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateX(-4px);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.cs-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  max-width: 100%;
  min-width: 0;
}

.cs-breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.cs-breadcrumbs a:hover {
  color: var(--accent-cyan);
}

.cs-breadcrumbs span.sep {
  color: var(--border-light);
}

.cs-breadcrumbs span.current {
  color: var(--text-primary);
  font-weight: 600;
  max-width: 240px;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

@media (max-width: 640px) {
  .cs-breadcrumbs {
    width: 100%;
  }
  .cs-breadcrumbs span.current {
    max-width: min(200px, calc(100vw - 110px));
  }
}

/* Hero Stage */
.cs-hero {
  position: relative;
  margin-bottom: 48px;
}

.cs-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.cs-hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 24px;
  color: #ffffff;
}

.cs-hero-summary {
  font-size: 1.25rem;
  line-height: 1.7;
  color: #cbd5e1;
  max-width: 980px;
  margin-bottom: 40px;
}

/* Meta Data Strip */
.cs-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 24px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  margin-bottom: 48px;
}

.cs-meta-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cs-meta-col .meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

.cs-meta-col .meta-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cs-meta-col .meta-val.val-accent {
  color: var(--accent-cyan);
}

.cs-meta-col .meta-val.val-ai {
  color: #c084fc;
}

/* Impact Metrics Grid */
.cs-metrics-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.cs-metric-card {
  background: linear-gradient(180deg, rgba(20, 27, 45, 0.7) 0%, rgba(13, 18, 31, 0.8) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.cs-metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
}

.cs-metric-card.is-ai::before {
  background: var(--gradient-ai);
}

.cs-metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}

.cs-metric-val {
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}

.cs-metric-card.is-ai .cs-metric-val {
  background: var(--gradient-ai);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cs-metric-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cs-metric-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Mockup Showcase Frame (macOS Chrome Window) */
.cs-mockup-stage {
  margin-bottom: 64px;
}

.cs-window-frame {
  background: #0f1523;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 212, 255, 0.1);
}

.cs-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #141c2e;
  border-bottom: 1px solid var(--border-subtle);
}

.cs-window-dots {
  display: flex;
  gap: 8px;
}

.cs-window-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.cs-dot-close { background: #ef4444; }
.cs-dot-min { background: #f59e0b; }
.cs-dot-max { background: #10b981; }

.cs-window-address {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  max-width: 440px;
  width: 100%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cs-showcase-img {
  width: 100%;
  max-height: 700px;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: opacity 0.3s ease, transform 0.4s ease;
}

/* Gallery Selector Strip Below Mockup */
.cs-gallery-strip {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  background: #0b0f19;
  border-top: 1px solid var(--border-subtle);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) transparent;
}

.cs-gallery-thumb-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.cs-gallery-thumb-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.cs-gallery-thumb-btn.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
}

.cs-gallery-thumb-preview {
  width: 48px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cs-active-caption-bar {
  padding: 14px 24px;
  background: rgba(13, 18, 31, 0.95);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.cs-active-caption-title {
  color: #ffffff;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Inline Deep-Dive Screenshot Figures */
.cs-inline-figure {
  margin: 28px 0 16px 0;
  background: #090d16;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.cs-inline-img {
  width: 100%;
  max-height: 580px;
  object-fit: cover;
  object-position: top center;
  display: block;
  cursor: zoom-in;
  transition: transform 0.4s ease;
}

.cs-inline-img:hover {
  transform: scale(1.015);
}

.cs-figure-caption {
  padding: 14px 20px;
  background: rgba(20, 27, 45, 0.85);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cs-figure-caption strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Deep Dive Narrative Blocks */
.cs-narrative {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 1080px;
  margin: 0 auto 64px auto;
}

.cs-narrative-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
}

.cs-narrative-card.ai-highlight {
  border-color: rgba(139, 92, 246, 0.3);
  background: linear-gradient(180deg, rgba(20, 27, 45, 0.9) 0%, rgba(13, 18, 31, 0.9) 100%);
}

.cs-narrative-card.ai-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-ai);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.cs-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.cs-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.cs-narrative-card.ai-highlight .cs-card-icon {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.35);
}

.cs-card-header h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: #ffffff;
}

.cs-narrative-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #cbd5e1;
}

/* Objectives Grid on Page */
.cs-page-objectives {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 20px;
  margin-top: 12px;
  list-style: none;
}

.cs-page-objective-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-fast);
}

.cs-page-objective-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.cs-page-objective-item strong {
  display: block;
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.cs-page-objective-item span {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Personas on Page */
.cs-page-personas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 24px;
  margin-top: 12px;
}

.cs-page-persona-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.cs-persona-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.cs-persona-avatar-placeholder {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
}

.cs-persona-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.cs-persona-role-tag {
  font-size: 0.85rem;
  color: var(--accent-cyan);
}

.cs-page-persona-card .persona-quote {
  font-style: italic;
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.6;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 16px;
  margin-top: 16px;
}

/* Previous / Next Project Navigation Bar */
.cs-project-navigator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto 64px auto;
}

.cs-nav-project-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.cs-nav-project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 212, 255, 0.15);
}

.cs-nav-project-card.is-ai:hover {
  border-color: var(--accent-violet);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(139, 92, 246, 0.2);
}

.cs-nav-direction {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cs-nav-project-card:hover .cs-nav-direction {
  color: var(--accent-cyan);
}

.cs-nav-project-card.is-ai:hover .cs-nav-direction {
  color: #c084fc;
}

.cs-nav-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 8px;
}

.cs-nav-client {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cs-nav-next {
  text-align: right;
  align-items: flex-end;
}

.cs-nav-next .cs-nav-direction {
  justify-content: flex-end;
}

/* Call To Action Banner on Case Study Page */
.cs-cta-banner {
  background: linear-gradient(135deg, rgba(20, 27, 45, 0.9) 0%, rgba(13, 18, 31, 0.95) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.cs-cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cs-cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.cs-cta-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px auto;
}

.cs-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .cs-project-navigator {
    grid-template-columns: 1fr;
  }

  .cs-nav-next {
    text-align: left;
    align-items: flex-start;
  }

  .cs-nav-next .cs-nav-direction {
    justify-content: flex-start;
  }

  .cs-narrative-card {
    padding: 24px;
  }

  .cs-hero-title {
    font-size: 1.85rem;
  }

  .cs-metric-val {
    font-size: 2.3rem;
  }

  .cs-meta-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   Full Resolution Lightbox Modal & Screen Gallery Grid
   ========================================================================== */
.cs-screens-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .cs-screens-full-grid {
    grid-template-columns: 1fr;
  }
  .cs-page-objectives,
  .cs-page-personas {
    grid-template-columns: 1fr;
  }
}

.cs-screen-card {
  background: #090d16;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.cs-screen-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 212, 255, 0.15);
}

.cs-screen-card-img-wrapper {
  position: relative;
  overflow: hidden;
  background: #060911;
  aspect-ratio: 16 / 10;
  cursor: zoom-in;
}

.cs-screen-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

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

.cs-zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.85;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.cs-screen-card:hover .cs-zoom-hint {
  opacity: 1;
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

.cs-screen-card-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: rgba(20, 27, 45, 0.7);
}

.cs-screen-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.cs-screen-card-caption {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.6;
}

/* Lightbox Modal */
.cs-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(5, 8, 15, 0.94);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.cs-lightbox-overlay.active {
  display: flex;
  opacity: 1;
}

.cs-lightbox-dialog {
  position: relative;
  max-width: 95vw;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: #090d16;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 212, 255, 0.2);
}

.cs-lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #0d121f;
  border-bottom: 1px solid var(--border-subtle);
}

.cs-lightbox-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}

.cs-lightbox-close {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.cs-lightbox-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
  transform: scale(1.08);
}

.cs-lightbox-img-wrapper {
  overflow: auto;
  max-height: calc(92vh - 130px);
  background: #04060a;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cs-lightbox-img {
  max-width: 100%;
  max-height: calc(92vh - 130px);
  display: block;
  object-fit: contain;
}

.cs-lightbox-footer {
  padding: 14px 24px;
  background: #0d121f;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.5;
}