/* ═══════════════════════════════════════════════════════════════
   CASE STUDY PAGE STYLES
   Neo-brutalist design system extension
   ═══════════════════════════════════════════════════════════════ */

/* ─── CASE HERO ────────────────────────────────────────────────── */
#case-hero {
  background: var(--cream);
  padding: 4rem 2rem 3rem;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

#case-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(0, 0, 0, 0.02) 20px,
    rgba(0, 0, 0, 0.02) 22px
  );
  pointer-events: none;
}

.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(--black);
  text-decoration: none;
  border: 2px solid var(--black);
  padding: 8px 16px;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s, box-shadow 0.1s, background 0.15s;
  margin-bottom: 2.5rem;
  font-family: 'DM Sans', sans-serif;
}

.case-back-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--black);
  background: var(--yellow);
}

.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: 2px solid var(--black);
  background: var(--yellow);
  margin-bottom: 1.5rem;
}

.case-hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.92;
  letter-spacing: -2px;
  color: var(--black);
  margin-bottom: 1rem;
  position: relative;
}

.case-hero-title::after {
  content: '';
  display: block;
  width: 120px;
  height: 6px;
  background: var(--yellow);
  margin-top: 1rem;
  border: 2px solid var(--black);
}

.case-hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #444;
  max-width: 600px;
  margin-bottom: 2rem;
}

/* Meta info row */
.case-hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  border: var(--border);
  background: white;
  padding: 1.25rem 2rem;
  box-shadow: var(--shadow);
  max-width: 600px;
}

.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-meta-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #888;
}

.case-meta-value {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--black);
}

.case-meta-divider {
  width: 2px;
  height: 36px;
  background: #ddd;
}

/* ─── SHOWCASE IMAGE ───────────────────────────────────────────── */
#case-showcase {
  background: var(--black);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
  position: relative;
  z-index: 1;
}

.case-showcase-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.case-showcase-img {
  position: relative;
  border: var(--border-thick);
  box-shadow: 12px 12px 0 0 rgba(255, 229, 0, 0.3);
  overflow: hidden;
  background: #1a1a1a;
}

.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(1.02);
}

.case-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 10, 10, 0.3) 100%);
  pointer-events: none;
}

/* ─── DUAL IMAGE SHOWCASE ──────────────────────────────────────── */
.case-showcase-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.case-showcase-card {
  border: var(--border-thick);
  background: #1a1a1a;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.case-showcase-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 0 var(--yellow);
}

.case-showcase-card-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: #111;
  border-bottom: 3px solid #333;
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cream);
}

.case-showcase-card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

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

.case-showcase-card-footer {
  padding: 14px 20px;
  background: #111;
  border-top: 3px solid #333;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.case-showcase-card-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cream);
  text-decoration: none;
  padding: 8px 18px;
  border: 2px solid #444;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-showcase-card-link:hover {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
  box-shadow: var(--shadow-sm);
}

/* ─── OVERVIEW ─────────────────────────────────────────────────── */
#case-overview {
  background: var(--cream);
  position: relative;
  z-index: 1;
}

.case-overview-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}

.case-overview-text {
  background: white;
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
}

.case-overview-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #1a1a1a;
  margin-bottom: 1.25rem;
}

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

.case-overview-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-stat-card {
  border: var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform 0.15s, box-shadow 0.15s;
}

.case-stat-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 0 var(--black);
}

.case-stat-card:nth-child(1) {
  background: var(--yellow);
}

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

.case-stat-card:nth-child(3) {
  background: var(--lime);
}

.case-stat-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.8rem;
  line-height: 1;
  flex-shrink: 0;
}

.case-stat-label {
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ─── KEY FEATURES ─────────────────────────────────────────────── */
#case-features {
  background: var(--yellow);
  position: relative;
  z-index: 1;
}

.case-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.case-feature-card {
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 2rem;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}

.case-feature-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 10px 10px 0 0 var(--black);
}

.case-feature-card::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  background: repeating-linear-gradient(
    45deg,
    var(--black) 0,
    var(--black) 2px,
    transparent 2px,
    transparent 10px
  );
  opacity: 0.05;
}

.case-feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.case-feature-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  color: var(--black);
}

.case-feature-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #444;
}

.case-feature-number {
  position: absolute;
  bottom: 0.5rem;
  right: 1rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3.5rem;
  color: rgba(0, 0, 0, 0.05);
  pointer-events: none;
}

/* ─── TECH STACK ───────────────────────────────────────────────── */
#case-tech {
  background: var(--black);
  position: relative;
  z-index: 1;
}

.case-tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.case-tech-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid #333;
  padding: 14px 24px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: default;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Space Mono', monospace;
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.case-tech-item:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 0 var(--yellow);
}

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

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

.case-tech-item.tech-primary:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 0 var(--cream);
  color: var(--black);
}

/* ─── CHALLENGES ───────────────────────────────────────────────── */
#case-challenges {
  background: var(--cream);
  position: relative;
  z-index: 1;
}

.case-challenges-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.case-challenge-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}

.case-challenge-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 0 var(--black);
}

.case-challenge-left {
  background: var(--black);
  color: var(--cream);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
}

.case-challenge-left::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255, 229, 0, 0.15) 0,
    rgba(255, 229, 0, 0.15) 2px,
    transparent 2px,
    transparent 10px
  );
}

.case-challenge-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--pink);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.case-challenge-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #ccc;
}

.case-challenge-right {
  background: var(--lime);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-solution-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--black);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-solution-label::before {
  content: '✓';
  font-size: 0.8rem;
  font-weight: 900;
}

.case-solution-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #1a1a1a;
}

/* ─── RESULTS ──────────────────────────────────────────────────── */
#case-results {
  background: var(--lime);
  position: relative;
  z-index: 1;
}

.case-results-content {
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
}

.case-results-content h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  color: var(--black);
}

.case-results-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
  margin-bottom: 1.25rem;
}

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

.case-learning-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-learning-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #1a1a1a;
}

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

/* ─── CTA ──────────────────────────────────────────────────────── */
#case-cta {
  background: var(--black);
  position: relative;
  z-index: 1;
}

#case-cta .section-wrapper {
  padding-top: 4rem;
  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: 2px solid #222;
}

.case-cta-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 0.95;
  color: var(--cream);
}

.case-cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Project navigation */
.case-project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.case-nav-card {
  border: 2px solid #333;
  padding: 1.5rem 2rem;
  text-decoration: none;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.case-nav-card:hover {
  border-color: var(--yellow);
  background: rgba(255, 229, 0, 0.05);
}

.case-nav-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #666;
  display: block;
  margin-bottom: 8px;
}

.case-nav-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--cream);
  display: block;
  letter-spacing: 1px;
}

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

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

/* ─── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .case-showcase-dual {
    grid-template-columns: 1fr;
  }

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

  .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;
  }
}

@media (max-width: 640px) {
  #case-hero {
    padding: 3rem 1.25rem 2rem;
  }

  .case-showcase-wrapper {
    padding: 2rem 1.25rem;
  }

  .case-hero-meta {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 1.25rem;
  }

  .case-meta-divider {
    width: 100%;
    height: 1px;
    background: #eee;
  }

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

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

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

/* ─── ENTRANCE ANIMATION FOR FEATURES ──────────────────────────── */
.case-feature-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.15s;
}

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

.case-tech-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, all 0.2s;
}

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

.case-challenge-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.15s;
}

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