/* ===== Case Study Styles - Matching React CompanyWorkPage ===== */

/* Not Found */
.cs-not-found {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.cs-not-found h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

/* ===== Header ===== */
.cs-header {
  padding-top: 6rem;
  padding-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .cs-header {
    padding-top: 8rem;
  }
}

.cs-header-container {
  max-width: 56rem;
}

.cs-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  transition: color 0.3s;
}

.cs-back-btn:hover {
  color: var(--foreground);
}

.cs-back-btn svg {
  transition: transform 0.3s;
}

.cs-back-btn:hover svg {
  transform: translateX(-4px);
}

.cs-company-header {
  animation: cs-fade-up 0.6s ease-out forwards;
}

/* Fade-up animation */
@keyframes cs-fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Company meta row with period and NDA */
.cs-company-meta-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.cs-company-period {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.cs-company-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .cs-company-name {
    font-size: 2.5rem;
  }
}

.cs-company-role {
  font-size: 1.125rem;
  color: var(--muted-foreground);
}

.cs-nda-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== Sticky Project Tabs ===== */
.cs-tabs-sticky {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: var(--background);
  border-bottom: 1px solid hsla(var(--border-hsl), 0.4);
}

.cs-tabs-container {
  max-width: 56rem;
}

.cs-tabs {
  display: flex;
  gap: 1.5rem;
  padding: 0.75rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.cs-tabs::-webkit-scrollbar {
  display: none;
}

.cs-tab {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  padding-bottom: 0.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted-foreground);
  border-bottom: 2px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}

.cs-tab:hover {
  color: var(--primary);
}

.cs-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== Content Animations ===== */
.cs-content-wrapper {
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.cs-content-exit {
  opacity: 0;
  transform: translateY(-20px);
}

.cs-content-enter {
  animation: cs-content-enter 0.3s ease-out forwards;
}

@keyframes cs-content-enter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered fade animations */
.cs-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.cs-fade-in.cs-visible {
  opacity: 1;
  transform: translateY(0);
}

.cs-fade-delay-1 { transition-delay: 0.1s; }
.cs-fade-delay-2 { transition-delay: 0.2s; }
.cs-fade-delay-3 { transition-delay: 0.3s; }

/* ===== Hero Image Section ===== */
.cs-hero-section {
  padding-top: 2.5rem;
}

@media (min-width: 768px) {
  .cs-hero-section {
    padding-top: 3.5rem;
  }
}

.cs-hero-container {
  max-width: 72rem;
}

.cs-hero-image-wrapper {
  border-radius: 0.75rem;
  overflow: hidden;
  background: #09090b;
  cursor: zoom-in;
}

.cs-hero-image {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  margin: 0 auto;
  display: block;
  transition: transform 0.3s;
}

.cs-hero-image-wrapper:hover .cs-hero-image {
  transform: scale(1.01);
}

/* ===== Project Info Section ===== */
.cs-project-info {
  padding: 2.5rem 0 3.5rem;
}

@media (min-width: 768px) {
  .cs-project-info {
    padding: 3.5rem 0;
  }
}

.cs-project-info-container {
  max-width: 56rem;
}

/* Two-column grid: Title/Description + Metrics */
.cs-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 1024px) {
  .cs-info-grid {
    grid-template-columns: 7fr 5fr;
    gap: 3rem;
  }
}

.cs-project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .cs-project-title {
    font-size: 1.875rem;
  }
}

.cs-project-description {
  font-size: 1rem;
  color: var(--muted-foreground);
  line-height: 1.7;
}

/* Metrics Grid */
.cs-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.cs-metric-item {
  border-left: 2px solid var(--primary);
  opacity: 0.4;
  padding-left: 0.75rem;
}

.cs-metric-item {
  border-left-color: var(--primary);
  opacity: 1;
}

.cs-metric-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}

.cs-metric-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.125rem;
}

/* Role, Duration, Team Row */
.cs-meta-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .cs-meta-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cs-meta-item h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.cs-meta-item p {
  font-size: 0.875rem;
  color: var(--foreground);
}

.cs-meta-item.team-context {
  grid-column: span 2;
}

.cs-meta-item.team-context p {
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Contributions Section */
.cs-contributions {
  padding-top: 0;
  margin-top: 0;
}

.cs-contributions h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.cs-contributions-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  .cs-contributions-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-contributions-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.cs-contribution-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 0.5rem;
}

/* ===== Narrative Section ===== */
.cs-narrative-section {
  padding: 2rem 0 4rem;
}

/* Narrative text container - centered with max-width */
.cs-narrative-text-container {
  max-width: 48rem;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .cs-narrative-text-container {
    margin-bottom: 4rem;
    padding: 0 2rem;
  }
}

.cs-narrative-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.cs-narrative-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted-foreground);
}

@media (min-width: 768px) {
  .cs-narrative-text {
    font-size: 1.125rem;
  }
}

.cs-narrative-text strong {
  color: var(--foreground);
  font-weight: 600;
}

/* Full-width inline images */
.cs-narrative-fullwidth-image {
  width: 100%;
  background: #09090b;
  margin: 3rem 0;
  cursor: zoom-in;
}

@media (min-width: 768px) {
  .cs-narrative-fullwidth-image {
    margin: 4rem 0;
  }
}

.cs-fullwidth-media {
  width: 100%;
  max-height: 60vh;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: transform 0.3s;
}

.cs-narrative-fullwidth-image:hover .cs-fullwidth-media {
  transform: scale(1.01);
}

/* Additional images gallery */
.cs-narrative-gallery {
  max-width: 72rem;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .cs-narrative-gallery {
    margin: 4rem auto;
    padding: 0 2rem;
  }
}

.cs-narrative-gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cs-narrative-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cs-narrative-gallery-item {
  background: #09090b;
  border-radius: 0.75rem;
  overflow: hidden;
  cursor: zoom-in;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cs-narrative-gallery-item:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cs-narrative-gallery-item .cs-gallery-media {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Reflection Box */
.cs-reflection-box {
  padding: 1.5rem;
  border-radius: 0.75rem;
  background: hsla(var(--muted-hsl), 0.2);
  border: 1px solid hsla(var(--border-hsl), 0.2);
}

@media (min-width: 768px) {
  .cs-reflection-box {
    padding: 2rem;
  }
}

.cs-reflection-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted-foreground);
}

@media (min-width: 768px) {
  .cs-reflection-text {
    font-size: 1rem;
  }
}

.cs-reflection-text strong {
  color: var(--foreground);
  font-weight: 600;
}

/* ===== AI Explorations Section ===== */
.cs-explorations-section {
  padding: 3rem 0 4rem;
}

.cs-explorations-container {
  max-width: 56rem;
}

.cs-explorations-header {
  margin-bottom: 2.5rem;
}

.cs-explorations-intro {
  font-size: 1rem;
  color: var(--muted-foreground);
  max-width: 40rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .cs-explorations-intro {
    font-size: 1.125rem;
  }
}

.cs-explorations-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.cs-exploration-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .cs-exploration-item {
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
  }
  
  .cs-exploration-text {
    position: sticky;
    top: 8rem;
  }
}

.cs-exploration-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cs-exploration-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

.cs-exploration-video {
  background: #09090b;
  border-radius: 0.75rem;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.cs-exploration-video:hover {
  transform: scale(1.02);
}

.cs-exploration-video video {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Project Navigation ===== */
.cs-project-nav {
  border-top: 1px solid hsla(var(--border-hsl), 0.3);
  margin-top: 3rem;
}

.cs-project-nav-container {
  max-width: 56rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 2.5rem 1.5rem;
}

@media (min-width: 768px) {
  .cs-project-nav-container {
    padding: 2.5rem 2rem;
  }
}

.cs-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  border-radius: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.cs-nav-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 20px -5px hsla(var(--primary-hsl), 0.2);
}

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

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

.cs-nav-direction {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.cs-nav-next .cs-nav-direction {
  justify-content: flex-end;
}

.cs-nav-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--foreground);
}

@media (min-width: 768px) {
  .cs-nav-title {
    font-size: 1rem;
  }
}

.cs-nav-project {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* ===== Lightbox ===== */
.cs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: hsla(0, 0%, 0%, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.cs-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.cs-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: hsla(0, 0%, 100%, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
  z-index: 101;
}

.cs-lightbox-close:hover {
  background: hsla(0, 0%, 100%, 0.2);
}

.cs-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: hsla(0, 0%, 100%, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, opacity 0.3s;
  z-index: 101;
}

.cs-lightbox-nav:hover {
  background: hsla(0, 0%, 100%, 0.2);
}

.cs-lightbox-prev {
  left: 1rem;
}

.cs-lightbox-next {
  right: 1rem;
}

@media (max-width: 768px) {
  .cs-lightbox-nav {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .cs-lightbox-prev {
    left: 0.5rem;
  }
  
  .cs-lightbox-next {
    right: 0.5rem;
  }
}

.cs-lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: hsla(0, 0%, 0%, 0.6);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  z-index: 101;
}

.cs-lightbox-image,
.cs-lightbox-video {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 0.5rem;
}

/* Video autoplay styles for mobile */
video[autoplay] {
  background: var(--muted);
}

/* Swipe hint for mobile */
.cs-lightbox-swipe-hint {
  position: absolute;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 102;
  pointer-events: none;
}

.cs-lightbox-swipe-hint.visible {
  opacity: 1;
  visibility: visible;
  animation: swipeHintPulse 1.5s ease-in-out infinite;
}

.cs-swipe-hint-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: hsla(0, 0%, 0%, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  white-space: nowrap;
}

.cs-swipe-hint-content svg {
  width: 18px;
  height: 18px;
  opacity: 0.8;
}

.cs-swipe-hint-content svg:first-child {
  animation: swipeArrowLeft 1.5s ease-in-out infinite;
}

.cs-swipe-hint-content svg:last-child {
  animation: swipeArrowRight 1.5s ease-in-out infinite;
}

@keyframes swipeHintPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes swipeArrowLeft {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-4px);
  }
}

@keyframes swipeArrowRight {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(4px);
  }
}

/* ===== Fallback Variables ===== */
:root {
  --background-hsl: 0 0% 4%;
  --border-hsl: 0 0% 15%;
  --muted-hsl: 0 0% 15%;
  --primary-hsl: 175 85% 50%;
}

[data-theme="light"] {
  --background-hsl: 0 0% 100%;
  --border-hsl: 0 0% 90%;
  --muted-hsl: 0 0% 96%;
  --primary-hsl: 175 85% 40%;
}