/* ==========================================
   CRIHD HOME PAGE - VERSION OPTIMISÉE
   Approche "Less is More" - Réduction de 50% du code
   ========================================== */

/* ==========================================
   VARIABLES SPÉCIFIQUES À LA HOME
   ========================================== */
:root {
  --card-height: 400px;
  --card-transition: all 0.3s ease;
  --overlay-gradient: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  --hero-grid-gap: 80px;
  --section-padding: 80px 0;
}


/* ==========================================
   IMAGE SHOWCASE
   ========================================== */
.image-showcase {
  padding-top: var(--spacing-2xl);
  background: var(--bg-primary);
}

.showcase-container {
  position: relative;
}

.showcase-image {
  height: 300px;
  overflow: hidden;
}

.main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-controls {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-xl);
}

.indicators {
  display: flex;
  gap: var(--spacing-sm);
}

.indicator {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition-fast);
}

.indicator.active {
  background: var(--primary-color);
}

.navigation-arrows {
  display: flex;
  gap: var(--spacing-md);
}

.arrow-btn {
  background: var(--primary-color);
  color: var(--text-white);
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.arrow-btn:hover {
  background: var(--primary-dark);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
}

.projects-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.projects-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
}

/* ==========================================
   PROJECT ITEMS - OPTIMISÉ
   ========================================== */
.projects-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.project-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: var(--card-transition);
  border-left: 3px solid transparent;
}

.project-item:hover,
.project-item.active {
  background: var(--bg-secondary);
  border-left-color: var(--primary-color);
}

.project-number {
  background: var(--primary-color);
  color: var(--text-white);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.project-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.4;
}

.project-main {
  position: relative;
}

.project-display {
  position: relative;
  overflow: hidden;
}

.project-display img {
  width: 100%;
  height: var(--card-height);
  object-fit: cover;
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--overlay-gradient);
  color: var(--text-white);
  padding: 60px var(--spacing-xl) var(--spacing-xl);
}

.project-overlay h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.project-overlay p {
  font-size: var(--font-size-base);
  line-height: 1.5;
  opacity: 0.9;
  margin: 0;
}

/* ==========================================
   SERVICES SECTION - SIMPLIFIÉ
   ========================================== */
.services-section {
  padding: 60px 0;
  background: var(--bg-secondary);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 50px;
}

.header-content {
  flex: 1;
  max-width: 500px;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: var(--font-weight-light);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-lg) 0;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================
   SERVICE CARDS - VERSION OPTIMISÉE
   ========================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-bottom: var(--spacing-2xl);
}

.service-card {
  background: var(--bg-primary);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--card-transition);
  position: relative;
  height: var(--card-height);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Images de service avec classes utilitaires */
.service-image {
  width: 100%;
  height: 70%;
  position: relative;
  overflow: hidden;
  transition: var(--card-transition);
  background-size: cover;
  background-position: center;
}

.service-content {
  height: 30%;
  padding: 25px var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: var(--card-transition);
  position: relative;
}

.service-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
  transition: var(--transition-fast);
}

.service-arrow {
  position: absolute;
  bottom: 35%;
  right: 15px;
  width: 35px;
  height: 35px;
  background: var(--primary-color);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--card-transition);
  color: var(--text-white);
}

/* États hover optimisés */
.service-card:hover .service-image {
  top: 50px;
  transform: scale(1.5);
}

.service-card:hover .service-content {
  position: absolute;
  bottom: 0;
  left: 0;
  background: var(--accent-color);
  color: var(--text-white);
  margin-right: 100px;
}

.service-card:hover .service-title {
  color: var(--text-white);
}

.service-card:hover .service-arrow {
  position: absolute;
  bottom: 35%;
  right: 0;
  transform: none;
}

.services-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
}

.pagination-indicator {
  display: flex;
  align-items: center;
  gap: 15px;
}

.pagination-line {
  width: 60px;
  height: 3px;
  background: var(--primary-color);
}

/* ==========================================
   RESEARCH SECTION - SIMPLIFIÉ
   ========================================== */
.research-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.research-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--hero-grid-gap);
  align-items: start;
}

.research-box {
  background: var(--secondary-color);
  color: var(--text-white);
  padding: 48px;
}

.research-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-xl);
}

.research-text {
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
}

.research-btn {
  background: var(--primary-color);
  color: var(--text-white);
  border: none;
  padding: var(--spacing-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.research-btn:hover {
  background: var(--primary-dark);
}

.partners-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.partner-logo {
  width: 100%;
  height: 100px;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
  object-fit: contain
}

/* ==========================================
   BLOG SECTION - OPTIMISÉ
   ========================================== */
.blog-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.blog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-2xl);
}

.blog-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.blog-main-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1.2;
  margin: 0;
}

.blog-grid {
  display: flex;
  gap: var(--spacing-xl);
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: var(--spacing-lg);
  scrollbar-width: none;
}

.blog-grid::-webkit-scrollbar {
  display: none;
}

.blog-card {
  background: var(--secondary-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--card-transition);
  flex: 0 0 350px;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.blog-image {
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: var(--spacing-xl);
  background: var(--secondary-color);
  color: var(--text-white);
}

.blog-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.blog-excerpt {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================
   RESPONSIVE DESIGN - OPTIMISÉ
   ========================================== */
@media (max-width: 1024px) {
  :root {
    --hero-grid-gap: 40px;
  }

  .hero-layout,
  .research-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .blog-card {
    flex: 0 0 300px;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .projects-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  .section-header,
  .blog-header,
  .projects-header {
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: flex-start;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .showcase-controls {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .blog-card {
    flex: 0 0 280px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 40px 0;
    --card-height: 300px;
  }

  .showcase-controls {
    padding: 0 var(--spacing-md);
  }

  .research-box {
    padding: var(--spacing-xl);
  }
}