/* ========================================
   CASE STUDY PAGE STYLES
   ========================================
   Detailed project case study layouts
   
   Container is centered with max-width from global.css
   All content inside container is left-aligned and fills container width
   Images scale to 100% of container width
   ======================================== */

/* Case Study Navigation */
.case-study-nav {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
  background-color: var(--color-background);
}

.case-study-nav__back {
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: opacity var(--transition-base);
}

.case-study-nav__back:hover {
  opacity: 0.7;
}

/* Hero Section */
.case-study-hero {
  padding-top: var(--space-md);
  padding-bottom: 0;
  background-color: var(--color-background);
}

.case-study-hero__content {
  width: 100%;
}

.case-study-hero__back {
  display: inline-block;
  margin-bottom: var(--space-xl);
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 500;
}

.case-study-hero__back:hover {
  opacity: 0.7;
}

.case-study-hero__client {
  font-size: var(--text-lg);
  font-weight: 300;
  font-style: italic;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.case-study-hero__title {
  font-size: var(--text-5xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.case-study-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.case-study-hero__project-title {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-sm);
}

/* Hero Image Section */
.case-study-hero-image {
  padding-top: 24px;
  padding-bottom: var(--space-4xl);
  background-color: var(--color-background);
}

.case-study-hero-image__container {
  background-color: #e8edf2;
  border-radius: var(--radius-lg);
  padding: 16px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.case-study-hero-image__img {
  width: 75%;
  max-width: 100%;
  max-height: 400px;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  object-fit: contain;
}

/* Dual hero images */
.case-study-hero-image__container--dual {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  align-items: center;
}

.case-study-hero-image__container--dual .case-study-hero-image__img {
  width: auto;
  max-width: 48%;
  flex: 1;
}

/* Case Study Sections */
.case-study-section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  background-color: var(--color-background);
}

.case-study-section--gray {
  background-color: var(--color-surface);
}

.case-study-section--compact {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.case-study-section__title {
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3xl);
}

/* Overview Grid */
.case-study-overview {
  width: 100%;
}

.case-study-overview__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2xl);
}

.case-study-overview__item {
  /* Left-aligned for consistency */
}

.case-study-overview__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.case-study-overview__value {
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 500;
}

/* Two Column Grid with Sidebar */
.case-study-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-4xl);
  width: 100%;
}

.case-study-grid__main {
  width: 100%;
}

.case-study-grid__sidebar {
  width: 100%;
}

/* Meta Information Sidebar */
.case-study-meta {
  background-color: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  width: 100%;
}

/* Horizontal meta layout */
.case-study-meta--horizontal {
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2xl);
}

/* When meta is in sidebar (2-column grid layout) */
.case-study-grid__sidebar .case-study-meta {
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* Stats card in feature section */
.case-study-stats-card {
  background-color: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  height: fit-content;
}

.case-study-stats-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

/* Placeholder card for future content */
.case-study-placeholder-card {
  background-color: #e8edf2;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  min-height: 300px;
  height: fit-content;
}

.case-study-meta__item {
  width: 100%;
}

.case-study-meta__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.case-study-meta__value {
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.5;
}

/* Content Section */
.case-study-content {
  width: 100%;
}

.case-study-content__heading {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.case-study-content__text {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* Lists */
.case-study-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.case-study-list__item {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.6;
  padding-left: var(--space-xl);
  position: relative;
}

.case-study-list__item::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.case-study-list--compact .case-study-list__item {
  font-size: var(--text-base);
  gap: var(--space-sm);
}

/* Image */
.case-study-image {
  margin-top: var(--space-3xl);
  width: 100%;
  /* No max-width - uses container width */
}

.case-study-image__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-surface);
  object-fit: contain;
  display: block;
}

/* Responsive image sizing */
@media (max-width: 1024px) {
  .case-study-image__img {
    border-radius: var(--radius-md);
  }
}

@media (max-width: 768px) {
  .case-study-image {
    margin-top: var(--space-2xl);
  }
  
  .case-study-image__img {
    border-radius: var(--radius-sm);
  }
}

.case-study-image__caption {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  font-style: italic;
}

/* Features Grid */
.case-study-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
  width: 100%;
}

.case-study-feature {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.case-study-feature--reverse {
  direction: rtl;
}

.case-study-feature--reverse > * {
  direction: ltr;
}

.case-study-feature__content {
  width: 100%;
}

.case-study-feature__image {
  width: 100%;
}

.case-study-feature__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  object-fit: contain;
}

.case-study-feature__heading {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.case-study-feature__text {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.case-study-feature__details {
  margin-top: var(--space-xl);
}

.case-study-feature__subheading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.case-study-feature__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.case-study-feature__description {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
}

/* Process Steps */
.case-study-process {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  width: 100%;
}

.case-study-process__step {
  position: relative;
  padding-left: var(--space-4xl);
}

.case-study-process__number {
  position: absolute;
  left: 0;
  top: 0;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.3;
}

.case-study-process__title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.case-study-process__description {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
}

/* Metrics */
.case-study-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  width: 100%;
}

.case-study-metric {
  width: 100%;
}

.case-study-metric__value {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.case-study-metric__label {
  font-size: var(--text-base);
  color: var(--color-secondary);
  font-weight: 500;
}

/* Insights Grid */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

/* Insights columns for compact layout */
.case-study-insights-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

.case-study-insights-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.case-study-insight-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.case-study-insight-item__heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.case-study-insight-item__text {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.insight-card {
  background: var(--color-background);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
}

.insight-card__heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.insight-card__text {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
}

/* Case Study Columns */
.case-study-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-top: var(--space-2xl);
  width: 100%;
}

.case-study-column {
  padding: 0;
}

.case-study-column__heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.case-study-column__text {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
}

  /* Case Study Image Container */
  .case-study-image-container {
  margin-top: var(--space-2xl);
  }

/* Case Study Navigation Footer */
.case-study-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.case-study-navigation__link {
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 500;
  transition: opacity var(--transition-base);
}

.case-study-navigation__link:hover {
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .case-study-overview__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .case-study-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .case-study-overview__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .case-study-meta--horizontal {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .case-study-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-study-metrics {
    gap: var(--space-2xl);
  }

  .case-study-columns {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .insights-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .case-study-insights-columns {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .case-study-image__img {
    border-radius: var(--radius-md);
  }

  .case-study-feature {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .case-study-hero {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-3xl);
  }

  .case-study-hero__title {
    font-size: var(--text-4xl);
  }

  .case-study-hero__subtitle {
    font-size: var(--text-lg);
  }

  .case-study-hero-image__img {
    width: 90%;
    max-height: 350px;
  }
  
  .case-study-hero-image__container {
    padding: 16px 0;
  }

  .case-study-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }

  .case-study-section__title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2xl);
  }

  .case-study-overview__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .case-study-meta--horizontal {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .case-study-stats-card {
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .case-study-features {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .case-study-feature {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .case-study-hero-image__container--dual {
    flex-direction: column;
    gap: var(--space-md);
  }

  .case-study-hero-image__container--dual .case-study-hero-image__img {
    max-width: 100%;
    width: 100%;
  }

  .case-study-feature {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .case-study-metrics {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .case-study-metric__value {
    font-size: var(--text-4xl);
  }

  .case-study-process__step {
    padding-left: var(--space-3xl);
  }

  .case-study-process__number {
    font-size: var(--text-2xl);
  }

  .case-study-navigation {
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
  }

  .case-study-image {
    margin-top: var(--space-2xl);
  }

  .case-study-image__img {
    border-radius: var(--radius-sm);
  }
}

@media (max-width: 480px) {
  .case-study-hero__title {
    font-size: var(--text-3xl);
  }

  .case-study-content__heading {
    font-size: var(--text-2xl);
  }

  .case-study-hero-image__img {
    width: 100%;
    max-height: 300px;
  }
  
  .case-study-hero-image__container {
    padding: 16px 0;
  }
}