/* =================================
   VAILLANT Multiservices - CSS v4
   ================================= */

/* Variables CSS par thème */
:root {
  --primary: #8B0000;
  --secondary: #000000;
  --accent: #FFFFFF;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Thème Minimaliste (défaut) */
body.theme-minimalist {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-card: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --header-bg: rgba(255, 255, 255, 0.95);
}

/* Thème Institutionnel */
body.theme-institutional {
  --bg-primary: #F9FAFB;
  --bg-secondary: #F3F4F6;
  --bg-card: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --border-color: #D1D5DB;
  --header-bg: rgba(249, 250, 251, 0.95);
}

/* Thème Dynamique */
body.theme-dynamic {
  --bg-primary: #111827;
  --bg-secondary: #1F2937;
  --bg-card: #1F2937;
  --text-primary: #FFFFFF;
  --text-secondary: #D1D5DB;
  --border-color: #374151;
  --header-bg: rgba(17, 24, 39, 0.95);
}

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: all 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text span {
  color: var(--primary);
}

/* Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

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

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: var(--text-primary);
  font-weight: 500;
}

.dropdown-btn:hover {
  color: var(--primary);
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  min-width: 280px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content {
  opacity: 1;
  visibility: visible;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  transition: background 0.2s ease;
}

.dropdown-item:hover {
  background: var(--bg-secondary);
}

.dropdown-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

/* Mobile Menu */
.menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

@media (min-width: 1024px) {
  .menu-btn {
    display: none;
  }
}

.mobile-nav {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: 1rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-link {
  display: block;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
}

.mobile-dept-list {
  padding-left: 1rem;
}

.mobile-dept-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
}

/* Theme Switcher */
.theme-switcher {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 1001;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.theme-btn {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

.theme-btn:hover {
  background: var(--bg-secondary);
}

.theme-btn.active {
  background: var(--primary);
  color: white;
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
}

body.theme-dynamic .hero {
  background: linear-gradient(to bottom right, #111827, #000, #450a0a);
}

.hero-logo {
  width: 128px;
  height: 128px;
  margin: 0 auto 2rem;
  object-fit: contain;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

.hero h1 span {
  color: var(--primary);
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero-description {
  max-width: 48rem;
  margin: 0 auto 2rem;
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: #6B0000;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Carousel */
.carousel-container {
  position: relative;
  max-width: 800px;
  margin: 2rem auto;
  overflow: hidden;
  border-radius: 1rem;
}

.carousel {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  min-width: 100%;
  aspect-ratio: 16/9;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
  z-index: 10;
}

.carousel-btn:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: 1rem;
}

.carousel-btn.next {
  right: 1rem;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

/* Info Section (Accordion + Slider) */
.info-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.info-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .info-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(139,0,0,0.1);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s ease;
}

.accordion-header:hover {
  background: var(--bg-secondary);
}

.accordion-item.active .accordion-header {
  color: var(--primary);
}

.accordion-icon {
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-body {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
}

.accordion-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

@media (min-width: 1024px) {
  .accordion-image {
    display: none;
  }
}

.info-slider {
  display: none;
}

@media (min-width: 1024px) {
  .info-slider {
    display: block;
    position: sticky;
    top: 120px;
  }
  
  .info-slider-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  }
}

/* Departments Section */
.departments-section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-secondary);
}

.departments-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .departments-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .departments-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .departments-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.dept-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.dept-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.dept-card-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

.dept-card:hover .dept-card-image img {
  transform: scale(1.1);
}

.dept-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
}

.dept-card-body {
  padding: 1.5rem;
}

.dept-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.dept-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.dept-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
}

/* Services Section */
.services-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  border-color: var(--primary);
}

.service-card-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

.service-card:hover .service-card-image img {
  transform: scale(1.1);
}

.service-badge {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.service-card:hover .service-badge {
  opacity: 1;
  transform: translateY(0);
}

.service-card-body {
  padding: 1.5rem;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.service-card:hover h3 {
  color: var(--primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Service Modal */
.service-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.service-modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border-radius: 1rem;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.service-modal.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.modal-close:hover {
  transform: scale(1.1);
}

.modal-image {
  position: relative;
  height: 250px;
}

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

.modal-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.modal-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: white;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.modal-body {
  padding: 1.5rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.modal-highlights {
  background: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.modal-highlights h4 {
  font-weight: 600;
  margin-bottom: 1rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.highlight-icon {
  color: #22C55E;
}

.modal-actions {
  display: flex;
  gap: 1rem;
}

.modal-actions .btn {
  flex: 1;
  justify-content: center;
}

/* About Page Sections */
.about-hero {
  padding: 8rem 0 4rem;
  text-align: center;
}

body.theme-dynamic .about-hero {
  background: linear-gradient(to bottom right, #111827, #000, #450a0a);
}

.about-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .about-hero h1 {
    font-size: 3rem;
  }
}

.about-hero p {
  color: var(--text-secondary);
  max-width: 48rem;
  margin: 0 auto;
}

/* Key Figures */
.key-figures {
  padding: 4rem 0;
  background: linear-gradient(135deg, #8B0000, #450a0a);
  color: white;
}

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

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

.figure-item {
  text-align: center;
}

.figure-value {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.figure-label {
  opacity: 0.9;
}

/* President Section */
.president-section {
  padding: 4rem 0;
}

.president-toggle {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.toggle-btn {
  padding: 0.5rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: 9999px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.toggle-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.president-content {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .president-content.with-photo {
    grid-template-columns: 300px 1fr;
  }
}

.president-image {
  width: 200px;
  height: 200px;
  border-radius: 1rem;
  object-fit: cover;
  margin: 0 auto;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.president-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.president-title {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.president-message {
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-line;
}

/* Goals Section */
.goals-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.goals-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .goals-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.goal-card {
  background: var(--bg-card);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.goal-image {
  height: 160px;
  overflow: hidden;
}

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

.goal-body {
  padding: 1.5rem;
}

.goal-icon {
  width: 48px;
  height: 48px;
  background: rgba(139,0,0,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.goal-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.goal-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* History Timeline */
.history-section {
  padding: 4rem 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
}

.timeline-year {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-item h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Gallery Section */
.gallery-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

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

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 0.75rem;
  overflow: hidden;
  cursor: pointer;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-zoom {
  width: 48px;
  height: 48px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  background: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 0.5rem;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

/* Organigramme Section */
.org-section {
  padding: 4rem 0;
}

.org-view-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.org-toggle-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.org-toggle-btn:first-child {
  border-radius: 0.375rem 0 0 0.375rem;
}

.org-toggle-btn:last-child {
  border-radius: 0 0.375rem 0.375rem 0;
}

.org-toggle-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.org-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .org-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .org-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.org-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.org-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.org-card.president {
  grid-column: 1 / -1;
  max-width: 400px;
  margin: 0 auto 1rem;
  border-color: var(--primary);
}

.org-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--border-color);
}

.org-card.president .org-image {
  width: 100px;
  height: 100px;
  border-color: var(--primary);
}

.org-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.org-role {
  color: var(--primary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.org-dept {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Simple Organigramme */
.org-simple {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}

.org-simple-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.org-simple-item.president {
  border-color: var(--primary);
  background: rgba(139,0,0,0.05);
}

.org-simple-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--primary);
}

.org-simple-info h4 {
  font-weight: 600;
  font-size: 0.9rem;
}

.org-simple-info p {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Carousel Organigramme */
.org-carousel {
  max-width: 400px;
  margin: 0 auto;
}

/* Testimonials */
.testimonials-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  gap: 1.5rem;
}

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

.testimonial-card {
  background: var(--bg-card);
  border-radius: 1rem;
  padding: 1.5rem;
  position: relative;
}

.testimonial-quote {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-content {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #450a0a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.testimonial-name {
  font-weight: 600;
}

.testimonial-role {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.testimonial-stars {
  color: #FCD34D;
  margin-top: 0.25rem;
}

/* Sponsors */
.sponsors-section {
  padding: 4rem 0;
}

.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  align-items: center;
}

.sponsor-logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.sponsor-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* FAQ Section */
.faq-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer-content {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Social CTA Section */
.social-cta-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #8B0000, #450a0a);
  color: white;
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-link {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: white;
  color: var(--primary);
  transform: translateY(-4px);
}

/* CTA Section */
.cta-section {
  padding: 4rem 0;
  text-align: center;
}

.cta-dark {
  background: linear-gradient(135deg, #111827, #000);
  color: white;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Contact Page */
.contact-section {
  padding: 6rem 0 4rem;
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139,0,0,0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: rgba(139,0,0,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info-content p {
  color: var(--text-secondary);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

body.theme-dynamic .footer {
  background: #0a0a0a;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-brand img {
  height: 48px;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-8 { margin-top: 2rem; }
.hidden { display: none; }

@media (max-width: 1023px) {
  .hide-mobile { display: none; }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none; }
}