/* ===================
   CASE STUDIES PAGE
   =================== */

/* Hero Section - inherits from .page-header in base.css */
.cases-hero {
  padding: 3rem 0;
  background: linear-gradient(180deg, #eef1ff 0%, #f8f9fd 100%);
}

.cases-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cases-hero-intro {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 600px;
}

/* Featured Case Study */
.case-featured {
  padding: 3rem 0;
  background: var(--color-surface);
}

.case-featured-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.case-featured-content {
  max-width: 560px;
}

/* Case Label */
.case-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.label-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: linear-gradient(135deg, #1f2352, #3d4280);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
}

.label-type {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.case-featured-content h2 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.case-tagline {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* Case Stats */
.case-stats {
  display: flex;
  gap: 2rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, #1f2352, #3d4280);
  border-radius: 12px;
  margin-bottom: 2rem;
}

.case-stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.case-stat .stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
}

.case-stat .stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Case Details */
.case-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.case-detail-block h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.case-detail-block p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Collapsible sections on mobile */
@media (max-width: 900px) {
  .case-detail-block.collapsible {
    border: 1px solid rgba(207, 214, 244, 0.6);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
  }

  .case-detail-block.collapsible.case-results {
    background: linear-gradient(135deg, #f8f9fd 0%, #f0f2fa 100%);
  }

  .case-detail-block.collapsible h3 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    margin: 0;
    cursor: pointer;
    background: rgba(248, 249, 253, 0.5);
    transition: background 0.2s ease;
  }

  .case-detail-block.collapsible h3:hover {
    background: rgba(248, 249, 253, 0.8);
  }

  .case-detail-block.collapsible h3:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: -3px;
    background: rgba(248, 249, 253, 0.9);
  }

  .case-detail-block.collapsible h3::after {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
  }

  .case-detail-block.collapsible.expanded h3::after {
    transform: rotate(-135deg);
  }

  .case-detail-block.collapsible .collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.25rem;
  }

  .case-detail-block.collapsible.expanded .collapsible-content {
    max-height: 1000px;
    padding: 0 1.25rem 1rem;
  }

  .case-detail-block.collapsible p,
  .case-detail-block.collapsible .case-list,
  .case-detail-block.collapsible .results-list {
    margin: 0;
  }

  .case-results-section {
    margin-top: 1.5rem;
  }
}

.case-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.case-list li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.case-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Results Section - separate container */
.case-results-section {
  grid-column: 1 / -1;
  margin-top: 2rem;
}

/* Results Section */
.case-results {
  background: linear-gradient(135deg, #f8f9fd 0%, #f0f2fa 100%);
  border: 1px solid rgba(207, 214, 244, 0.6);
  border-radius: 16px;
  padding: 1.5rem;
}

.case-results h3 {
  margin-bottom: 1rem;
}

.case-results h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
}

.results-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.results-list li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.results-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
}

/* Next Phase Callout */
.next-phase-callout {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #1f2352, #3d4280);
  border-radius: 10px;
}

.next-phase-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.35rem;
}

.next-phase-callout p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #ffffff;
  margin: 0;
}

/* Store Badges */
.store-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 1.5rem 0 0.75rem;
}

.store-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.store-badge {
  display: inline-block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.store-badge svg {
  display: block;
  height: 40px;
  width: auto;
}

/* Phone Carousel */
.case-featured-visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.case-phone-carousel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

/* Stacked cards container */
.phone-stack {
  position: relative;
  cursor: pointer;
}

/* Background stack cards (shadow effect) */
.phone-stack::before,
.phone-stack::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #252a4a, #1e2142);
  border-radius: 40px;
  z-index: -1;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.phone-stack::before {
  top: 8px;
  left: 8px;
  opacity: 0.5;
  box-shadow: 0 15px 40px rgba(31, 35, 82, 0.2);
}

.phone-stack::after {
  top: 16px;
  left: 16px;
  opacity: 0.3;
  box-shadow: 0 20px 50px rgba(31, 35, 82, 0.15);
}

.phone-stack:hover::before {
  transform: translate(2px, 2px);
}

.phone-stack:hover::after {
  transform: translate(4px, 4px);
}

.phone-frame {
  position: relative;
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1a1a2e, #16162a);
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 25px 60px rgba(31, 35, 82, 0.3),
    0 10px 20px rgba(31, 35, 82, 0.2),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
  z-index: 1;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0d1117;
  border-radius: 32px;
  overflow: hidden;
}

/* Navigation Arrows */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(31, 35, 82, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.carousel-nav:hover {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 16px rgba(31, 35, 82, 0.3);
}

.carousel-nav svg {
  width: 18px;
  height: 18px;
  color: var(--color-text);
}

.carousel-nav-prev {
  left: -48px;
}

.carousel-nav-next {
  right: -48px;
}

/* Carousel Slides */
.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 1000px;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(0.85) translateX(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.carousel-slide.active {
  opacity: 1;
  transform: scale(1) translateX(0);
  z-index: 3;
}

.carousel-slide.prev {
  opacity: 0;
  transform: scale(0.9) translateX(-100%) rotateY(10deg);
  z-index: 1;
}

.carousel-slide.next {
  opacity: 0.6;
  transform: scale(0.92) translateX(15px) translateY(8px);
  z-index: 2;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  border-radius: 28px;
  background: #0d1117;
}

/* Video Slide */
.carousel-slide[data-video="true"] {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d1117;
  border-radius: 28px;
}

.carousel-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 28px;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(31, 35, 82, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
  z-index: 5;
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(31, 35, 82, 1);
}

.video-play-btn svg {
  width: 28px;
  height: 28px;
  color: #ffffff;
  margin-left: 4px; /* Visual centering for play triangle */
}

.video-play-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Carousel Caption */
.carousel-caption {
  text-align: center;
  min-height: 2.5rem;
}

.carousel-caption .caption-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  transition: opacity 0.3s ease;
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(31, 35, 82, 0.2);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  padding: 0;
}

.carousel-dot:hover {
  background: rgba(31, 35, 82, 0.4);
}

.carousel-dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

.carousel-dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.carousel-nav:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.video-play-btn:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 4px;
}

/* ===================
   CASE STUDY CARDS (Listing Page)
   =================== */

.case-cards-section {
  padding: 2rem 0 4rem;
  background: var(--color-surface);
}

.case-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.case-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: #ffffff;
  border: 1px solid rgba(207, 214, 244, 0.6);
  border-radius: 16px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(31, 35, 82, 0.12);
  border-color: rgba(207, 214, 244, 0.9);
}

.case-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.case-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.case-card-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.case-cards-grid .case-card .case-card-tagline {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #5a6178;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: block;
}

.case-card-stats {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #f8f9fd 0%, #f0f2fa 100%);
  border-radius: 10px;
  margin-bottom: 1.5rem;
}

.case-card-stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.case-card-stat .stat-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.case-card-stat .stat-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.case-card-cta {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: color 0.2s ease;
}

.case-card:hover .case-card-cta {
  color: var(--color-primary-dark);
}

/* Breadcrumb link on dedicated pages */
.breadcrumb-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: inherit;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-accent);
}

/* ===================
   MORE COMING SECTION
   =================== */

/* More Coming Section */
.cases-coming {
  padding: 3rem 0;
}

.coming-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.coming-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.coming-content p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

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

.coming-content strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Coming Cards */
.coming-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.coming-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid rgba(207, 214, 244, 0.6);
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.coming-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 35, 82, 0.08);
}

.coming-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent-soft);
  border-radius: 12px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.coming-card-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.coming-card-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 900px) {
  .cases-hero {
    padding: 2.5rem 0;
  }

  .case-featured {
    padding: 2.5rem 0;
  }

  .cases-coming {
    padding: 2.5rem 0;
  }

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

  .case-featured-content {
    max-width: none;
  }

  /* On mobile: carousel appears after Going Beyond via HTML order */

  .phone-frame {
    width: 320px;
    height: 640px;
  }

  .coming-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Case cards - stack on tablet */
  .case-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .case-cards-section {
    padding: 1.5rem 0 3rem;
  }
}

@media (max-width: 600px) {
  .cases-hero h1 {
    font-size: 2rem;
  }

  .case-featured-content h2 {
    font-size: 2rem;
  }

  .case-stats {
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding: 1rem 1.25rem;
  }

  /* Case cards - mobile adjustments */
  .case-card {
    padding: 1.5rem;
  }

  .case-card-title {
    font-size: 1.5rem;
  }

  .case-card-stats {
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    padding: 0.875rem 1rem;
  }

  /* Hide stacked card shadows on mobile */
  .phone-stack::before,
  .phone-stack::after {
    display: none;
  }

  .phone-frame {
    width: 300px;
    height: 600px;
    border-radius: 38px;
    padding: 10px;
  }

  .phone-screen {
    border-radius: 22px;
  }

  .carousel-slide img {
    border-radius: 20px;
  }

  .carousel-slide[data-video="true"] {
    border-radius: 20px;
  }

  .carousel-video {
    border-radius: 20px;
  }

  .video-play-btn {
    width: 60px;
    height: 60px;
  }

  .video-play-btn svg {
    width: 24px;
    height: 24px;
  }

  /* Adjust navigation arrows on mobile */
  .carousel-nav {
    width: 32px;
    height: 32px;
  }

  .carousel-nav-prev {
    left: -40px;
  }

  .carousel-nav-next {
    right: -40px;
  }

  .carousel-nav svg {
    width: 14px;
    height: 14px;
  }

  /* Make caption more visible */
  .carousel-caption {
    margin-top: 0.5rem;
  }

  .carousel-caption .caption-text {
    font-size: 0.85rem;
    color: var(--color-text);
  }

  /* Smaller dots */
  .carousel-dot {
    width: 8px;
    height: 8px;
  }

  .coming-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* Extra small screens */
@media (max-width: 400px) {
  .cases-hero h1 {
    font-size: 1.75rem;
  }

  .case-featured-content h2 {
    font-size: 1.75rem;
  }

  .phone-frame {
    width: 220px;
    height: 440px;
    border-radius: 28px;
    padding: 8px;
  }

  .phone-screen {
    border-radius: 22px;
  }

  .carousel-slide img {
    border-radius: 18px;
  }

  .carousel-slide[data-video="true"] {
    border-radius: 18px;
  }

  .carousel-video {
    border-radius: 18px;
  }

  .video-play-btn {
    width: 52px;
    height: 52px;
  }

  .video-play-btn svg {
    width: 20px;
    height: 20px;
    margin-left: 3px;
  }

  /* Move arrows inside the phone area to prevent overflow */
  .carousel-nav {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.9);
  }

  .carousel-nav svg {
    width: 12px;
    height: 12px;
  }

  .carousel-nav-prev {
    left: -14px;
  }

  .carousel-nav-next {
    right: -14px;
  }

  .case-stats {
    flex-direction: column;
    gap: 0.75rem;
  }

  .case-stat {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  .case-stat .stat-number {
    font-size: 1.25rem;
  }

  .coming-content h2 {
    font-size: 1.5rem;
  }
}