/* ========================================
   Case Study Page Styles - Only loaded on
   individual project/case study pages
   ======================================== */

.case-study-hero {
  padding-top: 120px;
  padding-bottom: 0;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 30px;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--primary);
}

.case-study-header {
  max-width: 800px;
  margin-bottom: 40px;
}

.case-study-header .project-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.case-study-header .project-status {
  background: var(--success);
}

.project-status {
  display: inline-block;
  padding: 6px 12px;
  background: var(--success);
  color: white;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-client,
.project-type {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-client {
  background: #ffffff;
  color: var(--primary);
}

.project-type {
  background: #222222;
  color: var(--gray-600);
}

.case-study-header h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.case-study-intro {
  font-size: 1.2rem;
  color: var(--gray-600);
  line-height: 1.7;
  padding-bottom: 25px;
}

.case-study-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.case-study-image.placeholder-bg {
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.case-study-image.placeholder-bg::after {
  content: 'Screenshot Coming Soon';
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
  font-weight: 600;
}

.case-study-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========================================
   Project Carousel
   ======================================== */
.project-carousel-section {
  width: 100%;
  margin-top: 10px;
}

.project-carousel-wrap {
  position: relative;
  overflow: hidden;
}

.project-carousel-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 8px;
}
.project-carousel-track::-webkit-scrollbar {
  display: none;
}

.project-carousel-card {
  flex: 0 0 380px;
  scroll-snap-align: start;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200, #e2e8f0);
  transition: border-color 0.3s ease;
}
.project-carousel-card:hover {
  border-color: var(--primary, #2563eb);
}

.project-carousel-thumb {
  height: 240px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--gray-100, #f1f5f9) 0%, var(--gray-200, #e2e8f0) 100%);
}
.project-carousel-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-carousel-thumb.placeholder-bg {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary, #2563eb) 0%, var(--accent, #7c3aed) 100%);
}

.project-carousel-screen-bar {
  display: none;
}

.project-carousel-info {
  padding: 18px 20px;
}
.project-carousel-tag {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary, #2563eb);
  font-weight: 700;
  margin-bottom: 4px;
}
.project-carousel-info h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-900, #0f172a);
  margin: 0;
}

.project-carousel-nav {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  justify-content: center;
}
.project-carousel-nav button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--gray-200, #e2e8f0);
  background: var(--white, #fff);
  color: var(--gray-700, #334155);
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-carousel-nav button:hover {
  background: var(--primary, #2563eb);
  color: var(--white, #fff);
  border-color: var(--primary, #2563eb);
}

/* ========================================
   Lightbox
   ======================================== */
.project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.project-lightbox.active {
  opacity: 1;
  visibility: visible;
}
.project-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.project-lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}
.project-lightbox-content img {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}
.project-lightbox-caption {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
}
.project-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}
.project-lightbox-prev,
.project-lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 22px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-lightbox-prev { left: 20px; }
.project-lightbox-next { right: 20px; }
.project-lightbox-prev:hover,
.project-lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .project-lightbox-prev,
  .project-lightbox-next {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }
  .project-lightbox-prev { left: 10px; }
  .project-lightbox-next { right: 10px; }
  .project-lightbox-close {
    top: 12px;
    right: 12px;
  }
}

.case-study-content {
  padding-top: 80px;
  padding-bottom: 80px;
}

.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.case-study-main {
  max-width: 720px;
}

.content-section {
  margin-bottom: 50px;
}

.content-section h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.content-section h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 28px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.content-section p {
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 15px;
}

.content-section ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.content-section ul li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--gray-600);
  line-height: 1.6;
}

.content-section ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.features-list {
  display: grid;
  gap: 25px;
}

.feature-group {
  padding: 25px;
  background: var(--gray-50);
  border-radius: 12px;
  border-left: 4px solid var(--primary);
}

.feature-group h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-group p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gray-200);
}

.timeline-item {
  position: relative;
  padding-bottom: 30px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-content h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 5px;
}

.timeline-content p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.acknowledgment {
  background: var(--gray-50);
  padding: 30px;
  border-radius: 12px;
  border-left: 4px solid var(--accent-warm);
}

.acknowledgment h2::before {
  background: linear-gradient(135deg, var(--accent-warm) 0%, #f97316 100%);
}

/* Case Study Sidebar */
.case-study-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.sidebar-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--gray-100);
}

.project-details {
  display: grid;
  gap: 15px;
}

.project-details dt {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.project-details dd {
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 500;
  margin: 0;
}

/* Tech Stack Pills */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  display: inline-block;
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(37, 99, 235, 0.2);
  transition: all 0.2s ease;
}

.tech-tag:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(6, 182, 212, 0.2));
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-1px);
}

.status-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  text-align: center;
}

.results-grid .result-item {
  padding: 15px 10px;
  background: var(--gray-50);
  border-radius: 10px;
}

.results-grid .result-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.results-grid .result-label {
  font-size: 0.7rem;
  color: var(--gray-500);
  margin-top: 5px;
}

.cta-card {
  background: var(--gradient-primary);
  border: none;
}

.cta-card h3 {
  color: var(--white);
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.cta-card p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.cta-card .btn-primary {
  background: var(--white);
  color: var(--primary);
  width: 100%;
  justify-content: center;
}

.cta-card .btn-primary:hover {
  background: var(--gray-100);
}

/* Case Study Responsive */
@media (max-width: 1024px) {
  .case-study-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .case-study-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .cta-card {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .case-study-header h1 {
    font-size: 1.8rem;
  }

  .case-study-intro {
    font-size: 1rem;
  }

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

  .cta-card {
    grid-column: span 1;
  }

  .results-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .project-carousel-card {
    flex: 0 0 300px;
  }
  .project-carousel-thumb {
    height: 190px;
  }
}

@media (max-width: 480px) {
  .case-study-hero {
    padding-top: 100px;
  }

  .case-study-header h1 {
    font-size: 1.5rem;
  }

  .feature-group {
    padding: 20px;
  }

  .project-carousel-card {
    flex: 0 0 260px;
  }
  .project-carousel-thumb {
    height: 160px;
  }
}