/* ========================================
   NEXTGEN DEV - Global Styles
   ======================================== */

/* --- CSS Variables --- */
:root {
  --noir-profond: #0A0A0A;
  --noir: #000000;
  --gris-fonce: #1A1A1A;
  --gris-moyen: #2D2D2D;
  --gris-texte: #8A8A8A;
  --blanc: #FFFFFF;
  --blanc-casse: #F5F5F5;
  --bleu-acier: #3B82F6;
  --bleu-glow: #60A5FA;
  --bleu-fonce: #1D4ED8;
  --indigo: #6366F1;
  --violet: #8B5CF6;
  --succes: #22C55E;
  --danger: #EF4444;
  --avertissement: #F59E0B;
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --section-padding: 80px;
  --container-max: 1280px;
  --container-padding: 24px;
  --gap-grid: 24px;
  --card-padding: 32px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--noir);
  color: var(--blanc);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* --- Section --- */
.section {
  padding: var(--section-padding) 0;
}

[data-animate] {
  opacity: 1 !important;
  transform: none !important;
}

[data-stagger] {
  opacity: 1 !important;
  visibility: visible !important;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--bleu-acier);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gris-texte);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--bleu-acier);
  color: var(--blanc);
}

.btn-primary:hover {
  background: var(--bleu-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--blanc);
  border: 1px solid var(--gris-moyen);
}

.btn-secondary:hover {
  border-color: var(--bleu-acier);
  color: var(--bleu-acier);
}

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

.btn-white:hover {
  background: var(--blanc-casse);
  transform: translateY(-2px);
}

.btn-danger {
  background: var(--danger);
  color: var(--blanc);
}

.btn-danger:hover {
  background: #DC2626;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1rem;
}

/* --- Cards --- */
.card {
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* --- Navigation Desktop --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--blanc);
}

.nav-logo span {
  color: var(--bleu-acier);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--blanc);
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--bleu-acier);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--bleu-acier);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--bleu-acier);
}

.nav-links a.active::after {
  width: 100%;
}

/* --- Bottom Navigation Mobile --- */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--gris-moyen);
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-items {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  list-style: none;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  color: var(--gris-texte);
  transition: all 0.2s ease;
  cursor: pointer;
}

.bottom-nav-item i {
  width: 24px;
  height: 24px;
}

.bottom-nav-item span {
  font-size: 0.65rem;
  font-weight: 500;
}

.bottom-nav-item.active {
  color: var(--bleu-acier);
}

.bottom-nav-item:active {
  transform: scale(0.95);
  opacity: 0.8;
}

/* Bottom nav menu overlay */
.bottom-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1002;
}

.bottom-nav-overlay.active {
  display: block;
}

.bottom-nav-menu {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--noir-profond);
  border-radius: 20px 20px 0 0;
  padding: 24px 24px calc(24px + env(safe-area-inset-bottom));
  z-index: 1003;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

.bottom-nav-menu.active {
  transform: translateY(0);
}

.bottom-nav-closed-space {
  padding-bottom: calc(88px + env(safe-area-inset-bottom));
}


.bottom-nav-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.bottom-nav-menu-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.bottom-nav-menu-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gris-fonce);
  cursor: pointer;
}

.bottom-nav-menu-items {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.bottom-nav-menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--gris-fonce);
  border-radius: var(--radius-md);
  color: var(--gris-texte);
  transition: all 0.2s ease;
}

.bottom-nav-menu-item:hover {
  background: var(--gris-moyen);
  color: var(--bleu-acier);
}

.bottom-nav-menu-item i {
  width: 24px;
  height: 24px;
}

.bottom-nav-menu-item span {
  font-size: 0.75rem;
  font-weight: 500;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.8) 0%, rgba(10, 10, 10, 0.4) 50%, rgba(10, 10, 10, 1) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
  padding-top: 72px;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--bleu-acier);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--bleu-acier) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--gris-texte);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-lottie {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-lottie-container {
  width: 400px;
  height: 400px;
}

/* --- Stats Bar --- */
.stats-bar {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--gris-moyen);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--blanc);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gris-texte);
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap-grid);
}

.service-card {
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--gris-moyen);
  color: var(--blanc);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-lg);
  color: var(--bleu-acier);
}

.service-icon i {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--blanc);
}

.service-card p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.95) !important;
  line-height: 1.7;
}

.services-grid .service-card {
  opacity: 1 !important;
  visibility: visible !important;
  width: 100%;
}

.services-grid .service-card p {
  color: rgba(255, 255, 255, 0.95) !important;
}

/* --- Portfolio Grid --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-grid);
}

.portfolio-card {
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.portfolio-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.portfolio-card-link:hover .portfolio-card {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay i {
  width: 48px;
  height: 48px;
  color: var(--blanc);
}

.portfolio-body {
  padding: 24px;
}

.portfolio-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-body p {
  font-size: 0.875rem;
  color: var(--gris-texte);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.portfolio-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--bleu-acier);
  background: var(--gris-moyen);
  padding: 4px 12px;
  border-radius: 20px;
}

/* --- Portfolio Detail --- */
.project-details {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.project-gallery {
  position: relative;
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
  display: none;
}

.gallery-item.active {
  display: block;
}

.gallery-item img {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.gallery-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.gallery-nav-btn {
  background: var(--gris-fonce);
  border: none;
  color: var(--blanc);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.gallery-nav-btn:hover {
  background: var(--bleu-acier);
}

.gallery-indicators {
  display: flex;
  gap: 8px;
}

.gallery-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gris-moyen);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

.gallery-indicator.active {
  background: var(--bleu-acier);
}

.project-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--blanc);
}

.project-info p {
  color: var(--gris-texte);
  line-height: 1.6;
  margin-bottom: 32px;
}

.project-meta {
  background: var(--gris-fonce);
  padding: 32px;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.meta-item {
  margin-bottom: 24px;
}

.meta-item:last-child {
  margin-bottom: 0;
}

.meta-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--blanc);
  margin-bottom: 8px;
}

.meta-item p {
  color: var(--gris-texte);
  margin: 0;
}

.project-navigation {
  display: flex;
  gap: 16px;
}

/* --- Portfolio Carousel --- */
.carousel-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.3s ease;
  width: 100%;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: cover;
  display: block;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
  padding: 16px;
  background: var(--gris-fonce);
  border-radius: var(--radius-md);
}

.carousel-btn {
  background: var(--gris-moyen);
  border: none;
  color: var(--blanc);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: var(--bleu-acier);
  transform: scale(1.1);
}

.carousel-indicators {
  display: flex;
  gap: 8px;
}

.carousel-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gris-moyen);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease;
}

.carousel-indicator.active {
  background: var(--bleu-acier);
}

.carousel-indicator:hover {
  background: var(--bleu-glow);
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.98);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 9999;
  overflow: hidden;
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(1100px, 100%);
  max-width: 1100px;
  padding: 24px;
  gap: 16px;
}

.lightbox-image-wrapper {
  flex: 1;
  max-height: 80vh;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--noir);
}

.lightbox-image-wrapper img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  display: block;
}

.lightbox-nav {
  background: rgba(255,255,255,0.08);
  color: var(--blanc);
  border: 1px solid rgba(255,255,255,0.12);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-50%) scale(1.05);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.12);
  color: var(--blanc);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10000;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.22);
}

.lightbox-caption {
  margin-top: 16px;
  color: var(--blanc);
  font-size: 0.95rem;
  text-align: center;
  max-width: 90vw;
  background: rgba(0,0,0,0.7);
  padding: 8px 12px;
  border-radius: 4px;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  width: 100%;
  aspect-ratio: 1; /* Carré parfait */
  min-height: 280px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.gallery-item-overlay i {
  width: 32px;
  height: 32px;
  color: var(--blanc);
  margin-bottom: 8px;
}

.gallery-item-overlay span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--blanc);
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .gallery-item {
    min-height: 240px;
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item {
    min-height: 220px;
  }
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-fonce);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lightbox-close:hover {
  background: var(--gris-moyen);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-fonce);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lightbox-nav:hover {
  background: var(--gris-moyen);
}

.lightbox-nav.prev {
  left: 24px;
}

.lightbox-nav.next {
  right: 24px;
}

.lightbox-info {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  background: rgba(0, 0, 0, 0.7);
  padding: 12px 24px;
  border-radius: var(--radius-md);
}

.lightbox-info h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 4px;
}

.lightbox-info p {
  font-size: 0.875rem;
  color: var(--gris-texte);
}

/* --- Events --- */
.events-timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
}

.events-timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gris-moyen);
}

.event-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-left: 56px;
  position: relative;
  transition: all 0.3s ease;
}

.event-card::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 24px;
  width: 16px;
  height: 16px;
  background: var(--bleu-acier);
  border-radius: 50%;
  border: 4px solid var(--noir);
}

.event-card:hover {
  transform: translateX(8px);
}

.event-image {
  aspect-ratio: 4 / 3;
}

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

.event-body {
  padding: 24px;
}

.event-date-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bleu-acier);
  color: var(--blanc);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.event-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.event-body p {
  font-size: 0.875rem;
  color: var(--gris-texte);
  margin-bottom: 12px;
}

.event-meta {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--gris-texte);
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.event-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 12px;
}

.event-status.upcoming {
  background: rgba(59, 130, 246, 0.2);
  color: var(--bleu-acier);
}

.event-status.completed {
  background: rgba(34, 197, 94, 0.2);
  color: var(--succes);
}

/* --- Blog Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-grid);
}

.blog-card {
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.blog-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.blog-body {
  padding: 24px;
}

.blog-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  color: var(--gris-texte);
}

.blog-meta .category {
  color: var(--bleu-acier);
  font-weight: 600;
}

.blog-body h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-body p {
  font-size: 0.875rem;
  color: var(--gris-texte);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.blog-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bleu-acier);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.blog-link:hover {
  gap: 8px;
}

/* --- Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--gap-grid);
}

.team-card {
  text-align: center;
  padding: 32px 16px;
}

.team-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--bleu-acier);
  transition: all 0.3s ease;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card:hover .team-avatar {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.team-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.team-card p {
  font-size: 0.875rem;
  color: var(--gris-texte);
}

/* --- Contact CTA --- */
.contact-cta {
  background: var(--bleu-acier);
  border-radius: 24px;
  padding: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.contact-cta h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--blanc);
}

.contact-cta p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}

/* --- Filters --- */
.filters {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--gris-fonce);
  color: var(--gris-texte);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.filter-btn:hover {
  background: var(--gris-moyen);
  color: var(--blanc);
}

.filter-btn.active {
  background: var(--bleu-acier);
  color: var(--blanc);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--blanc);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--gris-fonce);
  border: 1px solid var(--gris-moyen);
  border-radius: var(--radius-md);
  color: var(--blanc);
  font-size: 0.9375rem;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--bleu-acier);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gris-texte);
}

.contact-info {
  padding-left: 40px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  align-items: center;
}

.contact-link {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.contact-link:hover .contact-info-icon {
  background: rgba(59, 130, 246, 0.15);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-fonce);
  border-radius: var(--radius-md);
  color: var(--bleu-acier);
  flex-shrink: 0;
}

.contact-info-icon i {
  width: 24px;
  height: 24px;
}

.contact-info-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.875rem;
  color: var(--gris-texte);
}

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 40px;
}

.contact-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-fonce);
  border-radius: var(--radius-md);
  color: var(--gris-texte);
  transition: all 0.2s ease;
}

.contact-social a:hover {
  background: var(--bleu-acier);
  color: var(--blanc);
}

/* --- About Page --- */
.about-hero {
  position: relative;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.about-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.6) 0%, rgba(10, 10, 10, 0.9) 100%);
}

.about-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.team-member {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
  background: var(--noir-profond);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.team-member .team-avatar {
  width: 160px;
  height: 160px;
  margin: 0;
}

.about-story img,
.team-member img {
  border-radius: var(--radius-lg);
}


.about-story h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.about-story p {
  color: var(--gris-texte);
  line-height: 1.8;
  margin-bottom: 16px;
}

.university-card {
  background: var(--gris-fonce);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.university-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.university-card .address {
  color: var(--bleu-acier);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.university-card p {
  color: var(--gris-texte);
  line-height: 1.7;
}

/* --- Login Page --- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--noir) 0%, var(--gris-fonce) 100%);
  position: relative;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.login-card {
  background: var(--gris-fonce);
  border-radius: 16px;
  padding: 48px;
  max-width: 420px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header .logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.login-header .logo span {
  color: var(--bleu-acier);
}

.login-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form input {
  width: 100%;
  padding: 14px 18px;
  background: var(--noir);
  border: 1px solid var(--gris-moyen);
  border-radius: var(--radius-md);
  color: var(--blanc);
  font-size: 0.9375rem;
  transition: all 0.2s ease;
}

.login-form input:focus {
  outline: none;
  border-color: var(--bleu-acier);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.login-form button {
  width: 100%;
  margin-top: 8px;
}

.login-lottie {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

/* --- Footer --- */
.footer {
  background: var(--noir);
  border-top: 1px solid var(--gris-moyen);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-brand .logo span {
  color: var(--bleu-acier);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--gris-texte);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gris-fonce);
  border-radius: var(--radius-md);
  color: var(--gris-texte);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--bleu-acier);
  color: var(--blanc);
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--gris-texte);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--gris-moyen);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gris-texte);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 3.7s;
  max-width: 400px;
}

.toast-success {
  background: var(--succes);
  color: var(--blanc);
  border-left: 4px solid #16A34A;
}

.toast-error {
  background: var(--danger);
  color: var(--blanc);
  border-left: 4px solid #DC2626;
}

.toast-warning {
  background: var(--avertissement);
  color: var(--noir);
  border-left: 4px solid #D97706;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* --- Loading Spinner --- */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gris-moyen);
  border-top-color: var(--bleu-acier);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Page Loader --- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--noir);
  z-index: 5000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.page-loader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  animation: pulse 1.5s ease infinite;
}

.page-loader-logo span {
  color: var(--bleu-acier);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.95); }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    margin: 0 auto 40px;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-lottie {
    display: block;
    margin: 20px auto 0;
  }
  
  .hero-lottie-container {
    width: 250px !important;
    height: 250px !important;
  }
  
  .stats-bar {
    justify-content: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  
  .nav-links,
  .nav .btn {
    display: none;
  }
  
  .bottom-nav {
    display: block;
  }
  
  body {
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .events-timeline::before {
    display: none;
  }
  
  .event-card {
    grid-template-columns: 1fr;
    margin-left: 0;
  }
  
  .event-card::before {
    display: none;
  }
  
  .event-image {
    aspect-ratio: 16 / 9;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding-left: 0;
    padding-top: 40px;
    border-top: 1px solid var(--gris-moyen);
  }
  
  .about-story {
    grid-template-columns: 1fr;
  }
  
  .team-member {
    grid-template-columns: 1fr !important;
    padding: 24px !important;
  }
  
  .team-member .team-avatar {
    margin: 0 auto 24px;
    width: 100% !important;
    max-width: 220px;
    height: auto !important;
  }
  
  .team-member img {
    width: 100%;
    height: auto;
  }
  
  .contact-cta {
    padding: 48px 24px;
  }
  
  .contact-cta h2 {
    font-size: 1.75rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .login-card {
    padding: 32px 24px;
    margin: 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .stats-bar {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .filters {
    gap: 8px;
  }
  
  .filter-btn {
    padding: 8px 14px;
    font-size: 0.75rem;
  }
}

@media (max-width: 900px) {
  .project-details {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .carousel-container {
    max-width: 100vw;
  }
  .project-meta {
    padding: 20px;
  }
}

@media (max-width: 600px) {
  .carousel-container {
    padding: 0;
    border-radius: 0;
  }
  .lightbox-content {
    flex-direction: column;
    padding: 0;
    gap: 0;
    width: 100vw;
    max-width: 100vw;
    min-width: 0;
    max-height: 100vh;
  }
  .lightbox-image-wrapper {
    max-height: 85vh;
    width: 100vw;
    border-radius: 0;
    flex: 1;
  }
  .lightbox-image-wrapper img {
    max-height: 85vh;
    width: 100%;
    height: 100%;
    border-radius: 0;
    object-fit: contain;
  }
  .lightbox-nav {
    display: none;
  }
  .lightbox-caption {
    font-size: 0.95rem;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.8);
    margin-top: 0;
    order: 3;
    width: 100%;
  }
  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    z-index: 10001;
  }
  .project-meta {
    padding: 12px;
  }
  #project-link {
    width: 100%;
    font-size: 1.1rem;
    padding: 14px 0;
    margin-top: 12px;
    border-radius: 8px;
    text-align: center;
    background: var(--bleu-acier);
    color: var(--blanc);
    display: block;
  }
}

/* Forcer l'affichage des éléments de la galerie */
.gallery-item,
.gallery-item img,
.gallery-grid .gallery-item {
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
  transform: none !important;
}

.gallery-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
  gap: 16px !important;
}

.gallery-item img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
}