/* ===================================================
   ACTIVATION FACTORY — Case Study Page Styles
   Shared across all individual case study pages
=================================================== */

/* ---- Case Study Hero ---- */
.cs-hero {
  min-height: 70vh;

  align-items: flex-end;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.cs-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-black);
}

.cs-hero-visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12rem;
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}

/* When a real photo is used, it replaces the visual */
.cs-hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cs-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,10,10,1) 0%,
    rgba(10,10,10,0.7) 40%,
    rgba(10,10,10,0.25) 100%
  );
}

.cs-hero-content {
  position: relative;
  z-index: 2;
  padding: 80px 0 64px;
  width: 100%;
}

.cs-hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cs-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
}

.cs-year {
  font-size: 0.78rem;
  color: var(--color-grey-light);
  letter-spacing: 0.1em;
}

.cs-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 820px;
  margin-bottom: 24px;
}

.cs-hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-grey-light);
  line-height: 1.7;
  max-width: 600px;
}

/* ---- Quick Stats Bar ---- */
.cs-stats-bar {
  background: var(--color-dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.cs-stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.cs-stat {
  padding: 32px 36px;
  border-right: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

.cs-stat:last-child {
  border-right: none;
}

.cs-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 6px;
}

.cs-stat-value span {
  color: var(--color-red);
}

.cs-stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey-mid);
}

@media (max-width: 768px) {
  .cs-stats-bar .container {
    grid-template-columns: repeat(2, 1fr);
  }
  .cs-stat {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 24px 20px;
  }
  .cs-stat:nth-child(odd) {
    border-right: 1px solid rgba(255,255,255,0.06);
  }
  .cs-stat:last-child,
  .cs-stat:nth-last-child(2):nth-child(odd) {
    border-bottom: none;
  }
}

/* ---- Body Layout ---- */
.cs-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 56px;
  align-items: flex-start;
  padding: var(--spacing-xl) 0;
}

@media (max-width: 1200px) {
  .cs-body {
    grid-template-columns: 1fr 280px;
    gap: 40px;
  }
}

@media (max-width: 1024px) {
  .cs-body {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ---- Main Content ---- */
.cs-main h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  margin-top: 48px;
}

.cs-main h2:first-child {
  margin-top: 0;
}

.cs-main p {
  font-size: 0.95rem;
  color: var(--color-grey-light);
  line-height: 1.85;
  margin-bottom: 16px;
}

.cs-main ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.cs-main ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-grey-light);
  line-height: 1.6;
}

.cs-main ul li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-red);
  flex-shrink: 0;
  margin-top: 8px;
}

.cs-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 40px 0;
}

/* Highlight quote block */
.cs-quote {
  padding: 28px 32px;
  border-left: 4px solid var(--color-red);
  background: rgba(232, 23, 31, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
}

.cs-quote p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-white) !important;
  line-height: 1.7;
  margin-bottom: 12px !important;
}

.cs-quote cite {
  font-size: 0.8rem;
  color: var(--color-grey-mid);
  font-style: normal;
  letter-spacing: 0.05em;
}

/* Image gallery */
.cs-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.cs-gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-dark-mid);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.cs-gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 16/7;
}

.cs-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-gallery-caption {
  font-size: 0.75rem;
  color: var(--color-grey-mid);
  text-align: center;
  margin-top: -8px;
  margin-bottom: 8px;
  font-style: italic;
}

@media (max-width: 640px) {
  .cs-gallery { grid-template-columns: 1fr; }
  .cs-gallery-item.wide { grid-column: span 1; aspect-ratio: 4/3; }
}

/* Deliverables list (styled) */
.cs-deliverables {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.cs-deliverable {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-dark);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.83rem;
  color: var(--color-grey-light);
}

.cs-deliverable i {
  color: var(--color-red);
  font-size: 0.75rem;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .cs-deliverables { grid-template-columns: 1fr; }
}

/* ---- Sidebar ---- */
.cs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  /* Prevent sidebar from overflowing viewport on tall pages */
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
  overflow-x: hidden;
  /* Hide scrollbar visually but keep it functional */
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  /* Padding so scrollbar doesn't overlap content */
  padding-right: 4px;
}

.cs-sidebar::-webkit-scrollbar {
  width: 4px;
}
.cs-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.cs-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 2px;
}
.cs-sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}

/* On smaller screens sidebar goes full width, no need for scroll */
@media (max-width: 1024px) {
  .cs-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}

.cs-sidebar-card {
  background: var(--color-dark);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  padding: 28px;
}

.cs-sidebar-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-grey-mid);
  margin-bottom: 20px;
}

.cs-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.85rem;
}

.cs-detail-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cs-detail-label {
  color: var(--color-grey-mid);
  flex-shrink: 0;
}

.cs-detail-value {
  color: var(--color-white);
  font-weight: 600;
  text-align: right;
}

.cs-sidebar-cta {
  background: var(--color-red);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.cs-sidebar-cta h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.cs-sidebar-cta p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
  margin-bottom: 20px;
}

.cs-sidebar-cta .btn {
  width: 100%;
  justify-content: center;
  background: white;
  color: var(--color-red);
  border: none;
  font-weight: 800;
}

.cs-sidebar-cta .btn:hover {
  background: var(--color-off-white);
  transform: translateY(-2px);
}

/* ---- Related Projects ---- */
.cs-related {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: var(--color-dark);
}

.cs-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

@media (max-width: 1024px) {
  .cs-related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .cs-related-grid { grid-template-columns: 1fr; }
}

/* ---- Breadcrumb ---- */
.cs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-grey-mid);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.cs-breadcrumb a {
  color: var(--color-grey-mid);
  transition: var(--transition);
}

.cs-breadcrumb a:hover { color: var(--color-white); }
.cs-breadcrumb span { color: var(--color-grey-light); }
.cs-breadcrumb i { font-size: 0.55rem; }

/* ---- Outcome block ---- */
.cs-outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.cs-outcome {
  background: rgba(232,23,31,0.06);
  border: 1px solid rgba(232,23,31,0.15);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
}

.cs-outcome-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 6px;
}

.cs-outcome-value span { color: var(--color-red); }

.cs-outcome-label {
  font-size: 0.75rem;
  color: var(--color-grey-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .cs-outcomes { grid-template-columns: 1fr; }
  .cs-body { padding: var(--spacing-lg) 0; }
}