/* ═══════════════════════════════════════════════════════════════
   CASE STUDY PAGE STYLES
   Claymorphism design system extension
   ═══════════════════════════════════════════════════════════════ */

/* ─── CASE HERO ────────────────────────────────────────────────── */
#case-hero {
  background: transparent;
  padding: 5rem 2rem 3rem;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

#case-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -50px;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(51, 198, 255, 0.15) 0%, rgba(51, 198, 255, 0) 70%);
  pointer-events: none;
  z-index: -1;
}

.case-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.case-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--clay-dark);
  text-decoration: none;
  border: var(--clay-border);
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--clay-shadow-white);
  border-radius: var(--border-radius-pill);
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  margin-bottom: 2.5rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  backdrop-filter: blur(8px);
}

.case-back-link:hover {
  transform: translateY(-3px);
  background: var(--clay-yellow);
  box-shadow: var(--clay-shadow-yellow-hover);
}

.case-back-link:active {
  transform: translateY(1px);
}

.case-hero-tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: var(--border-radius-pill);
  border: var(--clay-border);
  background: var(--clay-yellow);
  box-shadow: var(--clay-shadow-yellow);
  color: var(--clay-dark);
  margin-bottom: 1.5rem;
}

.case-hero-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -2px;
  color: var(--clay-dark);
  margin-bottom: 1.5rem;
  position: relative;
}

.case-hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--clay-muted);
  max-width: 650px;
  margin-bottom: 2.5rem;
}

/* Meta info row */
.case-hero-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  border: var(--clay-border);
  background: rgba(255, 255, 255, 0.75);
  padding: 1.5rem 2.2rem;
  box-shadow: var(--clay-shadow-white);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(12px);
  max-width: 650px;
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-meta-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--clay-muted);
}

.case-meta-value {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--clay-dark);
}

.case-meta-divider {
  width: 1.5px;
  height: 36px;
  background: rgba(166, 180, 200, 0.2);
}

/* ─── SHOWCASE IMAGE ───────────────────────────────────────────── */
#case-showcase {
  background: var(--clay-bg-dark);
  border-radius: var(--border-radius-lg);
  margin: 2rem;
  position: relative;
  z-index: 1;
  box-shadow: var(--clay-shadow-dark);
}

.case-showcase-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.case-showcase-img {
  position: relative;
  border: var(--clay-border-dark);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: #1A1C24;
}

.case-showcase-img img {
  width: 100%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.case-showcase-img:hover img {
  transform: scale(1.015);
}

.case-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(26, 28, 36, 0.25) 100%);
  pointer-events: none;
}

/* ─── DUAL IMAGE SHOWCASE ──────────────────────────────────────── */
.case-showcase-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.case-showcase-card {
  border: var(--clay-border-dark);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--clay-shadow-dark);
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.case-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-shadow-dark-hover);
}

.case-showcase-card .case-showcase-img {
  border: none;
  box-shadow: none;
  border-radius: 0;
  flex: 1;
}

/* ─── OVERVIEW ─────────────────────────────────────────────────── */
#case-overview {
  background: transparent;
  position: relative;
  z-index: 1;
}

.case-overview-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 3rem;
  align-items: start;
}

.case-overview-text {
  background: rgba(255, 255, 255, 0.65);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.case-overview-text p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--clay-muted);
  margin-bottom: 1.25rem;
}

.case-overview-text p:last-child {
  margin-bottom: 0;
}

.case-overview-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.case-stat-card {
  border: var(--clay-border);
  padding: 1.5rem 2rem;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.case-stat-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.case-stat-card:nth-child(1) {
  background: var(--clay-yellow);
  color: var(--clay-dark);
  box-shadow: var(--clay-shadow-yellow);
}
.case-stat-card:nth-child(1):hover {
  box-shadow: var(--clay-shadow-yellow-hover);
}

.case-stat-card:nth-child(2) {
  background: var(--clay-pink);
  color: white;
  box-shadow: var(--clay-shadow-pink);
}
.case-stat-card:nth-child(2):hover {
  box-shadow: var(--clay-shadow-pink-hover);
}

.case-stat-card:nth-child(3) {
  background: var(--clay-lime);
  color: var(--clay-dark);
  box-shadow: var(--clay-shadow-lime);
}
.case-stat-card:nth-child(3):hover {
  box-shadow: var(--clay-shadow-lime-hover);
}

.case-stat-number {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 3.2rem;
  line-height: 1;
  flex-shrink: 0;
  letter-spacing: -1.5px;
}

.case-stat-label {
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ─── KEY FEATURES ─────────────────────────────────────────────── */
#case-features {
  background: transparent;
  position: relative;
  z-index: 1;
}

.case-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.case-feature-card {
  background: rgba(255, 255, 255, 0.6);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-white);
  padding: 2.2rem;
  border-radius: var(--border-radius-lg);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.15);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(6px);
}

.case-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-shadow-white-hover);
}

.case-feature-icon {
  font-size: 2.8rem;
  margin-bottom: 1.25rem;
  display: block;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.06));
}

.case-feature-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
  color: var(--clay-dark);
}

.case-feature-desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--clay-muted);
}

.case-feature-number {
  position: absolute;
  bottom: 0.5rem;
  right: 1.2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 3.5rem;
  color: rgba(166, 180, 200, 0.1);
  pointer-events: none;
}

/* ─── TECH STACK ───────────────────────────────────────────────── */
#case-tech {
  background: var(--clay-bg-dark);
  border-radius: var(--border-radius-lg);
  margin: 2rem;
  position: relative;
  z-index: 1;
  box-shadow: var(--clay-shadow-dark);
}

.case-tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.case-tech-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: var(--clay-border-dark);
  padding: 14px 24px;
  border-radius: var(--border-radius-pill);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: default;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Space Mono', monospace;
  color: var(--clay-text-light);
  box-shadow: var(--clay-shadow-dark);
}

.case-tech-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--clay-yellow);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
}

.case-tech-item .tech-icon {
  font-size: 1.3rem;
}

.case-tech-item.tech-primary {
  background: var(--clay-yellow);
  color: var(--clay-dark);
  border-color: var(--clay-border);
  box-shadow: var(--clay-shadow-yellow);
}

.case-tech-item.tech-primary:hover {
  transform: translateY(-4px);
  box-shadow: var(--clay-shadow-yellow-hover);
  color: var(--clay-dark);
}

/* ─── CHALLENGES ───────────────────────────────────────────────── */
#case-challenges {
  background: transparent;
  position: relative;
  z-index: 1;
}

.case-challenges-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.case-challenge-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: rgba(255, 255, 255, 0.6);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.15);
}

.case-challenge-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--clay-shadow-white-hover);
}

.case-challenge-left {
  background: var(--clay-dark);
  color: var(--clay-text-light);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}

.case-challenge-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--clay-pink);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

.case-challenge-label::before {
  content: '✕';
  font-size: 0.8rem;
}

.case-challenge-text {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--clay-muted-light);
}

.case-challenge-right {
  background: rgba(82, 229, 61, 0.08);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.case-solution-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #2e8b1d;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-solution-label::before {
  content: '✓';
  font-size: 0.85rem;
  font-weight: 900;
}

.case-solution-text {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--clay-dark);
}

/* ─── RESULTS ──────────────────────────────────────────────────── */
#case-results {
  background: transparent;
  position: relative;
  z-index: 1;
}

.case-results-content {
  background: rgba(255, 255, 255, 0.6);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-white);
  padding: 3.5rem;
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(12px);
}

.case-results-content h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
  color: var(--clay-dark);
}

.case-results-content p {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--clay-muted);
  margin-bottom: 1.5rem;
}

.case-results-content p:last-child {
  margin-bottom: 0;
}

.case-learning-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.case-learning-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--clay-dark);
}

.case-learning-list li::before {
  content: '✦';
  color: var(--clay-pink);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── CTA & NAVIGATIONS ────────────────────────────────────────── */
#case-cta {
  background: var(--clay-bg-dark);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  margin: 2rem 2rem 0;
  position: relative;
  z-index: 1;
  box-shadow: var(--clay-shadow-dark);
}

#case-cta .section-wrapper {
  padding-top: 5rem;
  padding-bottom: 4rem;
}

.case-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.05);
}

.case-cta-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1;
  color: var(--clay-text-light);
  letter-spacing: -1.5px;
}

.case-cta-buttons {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Project navigation */
.case-project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.case-nav-card {
  background: rgba(255, 255, 255, 0.02);
  border: var(--clay-border-dark);
  border-radius: var(--border-radius-lg);
  padding: 1.8rem 2.2rem;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  position: relative;
  overflow: hidden;
  box-shadow: var(--clay-shadow-dark);
}

.case-nav-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-4px);
}

.case-nav-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--clay-muted-light);
  display: block;
  margin-bottom: 8px;
}

.case-nav-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--clay-text-light);
  display: block;
  letter-spacing: -0.5px;
}

.case-nav-prev {
  text-align: left;
}

.case-nav-next {
  text-align: right;
}

/* ─── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  #case-showcase {
    margin: 1.5rem 1rem;
  }

  .case-showcase-wrapper {
    padding: 3rem 1.5rem;
  }

  .case-showcase-dual {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .case-overview-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .case-challenge-item {
    grid-template-columns: 1fr;
  }

  .case-hero-meta {
    max-width: 100%;
  }

  .case-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .case-project-nav {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  #case-cta {
    margin: 2rem 1rem 0;
  }
}

@media (max-width: 640px) {
  #case-hero {
    padding: 3.5rem 1.25rem 2rem;
  }

  .case-showcase-wrapper {
    padding: 2rem 1rem;
  }

  .case-hero-meta {
    flex-direction: column;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
  }

  .case-meta-divider {
    width: 100%;
    height: 1.5px;
  }

  .case-overview-text {
    padding: 2rem 1.5rem;
  }

  .case-results-content {
    padding: 2rem 1.5rem;
  }

  .case-cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .case-cta-buttons .btn {
    justify-content: center;
  }

  .case-challenge-left, .case-challenge-right {
    padding: 1.8rem;
  }
}

/* ─── ENTRANCE ANIMATION FOR FEATURES ──────────────────────────── */
.case-feature-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.3s;
}

.case-feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.case-tech-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1), transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), all 0.25s;
}

.case-tech-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.case-challenge-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.3s;
}

.case-challenge-item.visible {
  opacity: 1;
  transform: translateY(0);
}