/* =================================================
   CAJUEIRO LABS - Case Study Page
   ================================================= */

/* =================================================
   CASE HERO
   ================================================= */

.case-hero {
  padding-top: calc(72px + var(--space-12));
  padding-bottom: var(--space-12);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.case-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  transition: color var(--transition-fast);
}

.case-hero__back:hover {
  color: var(--color-primary);
}

.case-hero__back svg {
  width: 16px;
  height: 16px;
}

.case-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.case-hero__year {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-light);
}

.case-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.case-hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  max-width: 700px;
  margin-bottom: var(--space-10);
}

.case-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.case-stat {
  text-align: center;
  padding: var(--space-5);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.case-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-weight: var(--font-medium);
}

@media (max-width: 768px) {
  .case-hero__title {
    font-size: var(--text-3xl);
  }

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

@media (max-width: 480px) {
  .case-hero__stats {
    grid-template-columns: 1fr;
  }
}

/* =================================================
   HERO SCREENSHOT
   ================================================= */

.case-screenshot-hero {
  margin-top: calc(-1 * var(--space-6));
  padding-bottom: var(--space-16);
}

.case-screenshot-hero__img {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  cursor: zoom-in;
}

/* =================================================
   CASE CONTENT CONTAINER
   ================================================= */

.case-content {
  max-width: var(--container-lg);
  margin-left: auto;
  margin-right: auto;
}

/* =================================================
   CASE BLOCKS (text content)
   ================================================= */

.case-block {
  max-width: 800px;
}

.case-block--center {
  max-width: none;
}

.case-block .section__title {
  color: var(--color-primary);
}

.case-block__text {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.case-block__text:last-child {
  margin-bottom: 0;
}

/* =================================================
   CHALLENGES
   ================================================= */

.case-challenges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.case-challenge {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.case-challenge__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(45, 90, 69, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.case-challenge__icon svg {
  width: 24px;
  height: 24px;
}

.case-challenge h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.case-challenge p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .case-challenges {
    grid-template-columns: 1fr;
  }
}

/* =================================================
   FEATURES (alternating image + text)
   ================================================= */

.case-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

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

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

.case-feature__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.case-feature__text p {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.case-feature__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.case-feature__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

.case-feature__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  min-width: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  margin-top: 7px;
}

.case-feature__image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  cursor: zoom-in;
}

@media (max-width: 768px) {
  .case-feature,
  .case-feature--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--space-6);
  }

  .case-feature__image {
    order: -1;
  }
}

/* =================================================
   TECHNICAL DECISIONS
   ================================================= */

.case-decisions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.case-decision {
  padding: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.case-decision h4 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.case-decision h4 svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.case-decision p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .case-decisions {
    grid-template-columns: 1fr;
  }
}

/* =================================================
   RESULTS
   ================================================= */

.case-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.case-result {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.case-result:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-result__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(45, 90, 69, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-primary);
}

.case-result__icon svg {
  width: 28px;
  height: 28px;
}

.case-result h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.case-result p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

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

@media (max-width: 640px) {
  .case-results {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =================================================
   CTA
   ================================================= */

.case-cta {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-12) 0;
}

.case-cta h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.case-cta p {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.case-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* =================================================
   FEATURE IMAGE PLACEHOLDER
   ================================================= */

.case-feature__image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-feature__placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, rgba(45, 90, 69, 0.06) 0%, rgba(45, 90, 69, 0.02) 100%);
  border: 2px dashed rgba(45, 90, 69, 0.15);
  border-radius: var(--radius-lg);
  color: var(--color-text-light);
  font-size: var(--text-sm);
  font-style: italic;
  opacity: 0.7;
}

/* =================================================
   ARCHITECTURE FLOW
   ================================================= */

.case-architecture {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.case-architecture__step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-architecture__number {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: white;
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  border-radius: var(--radius-full);
}

.case-architecture__step h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.case-architecture__step p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

/* =================================================
   LIGHTBOX
   ================================================= */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.85);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  cursor: zoom-out;
  padding: var(--space-8);
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.lightbox--open .lightbox__img {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: white;
  font-size: var(--text-2xl);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
  background-color: rgba(255, 255, 255, 0.3);
}