/* Styles pour SAS Kanaky Tech - Design Haute Institution aux couleurs du drapeau Kanak */
:root {
  /* Couleurs du drapeau Kanak */
  --kanak-blue: #FFFFFF;          /* Bleu du drapeau Kanak #0055A4; */
  --kanak-red: #FFFFFF ;         /* Rouge du drapeau Kanak  #EF3340; */
  --kanak-green:  #FFFFFF;  /* Vert du drapeau Kanak ;#009739; */
  --kanak-yellow:  #FFFFFF;      /* Jaune du drapeau Kanak (cercle) #FDDA24 */
  
  /* Couleurs institutionnelles */
  --institutional-white: #FFFFFF; /* Blanc institutionnel */
  --institutional-cream: #F8F7F2; /* Crème institutionnel */
  --institutional-dark: #1C1C1C;  /* Noir institutionnel */
  --institutional-gold: #C8B273;  /* Or institutionnel */
  --institutional-gray: #E5E5E5;  /* Gris institutionnel */
  
  /* Couleurs fonctionnelles */
  --primary-color: var(--institutional-dark);   /* Couleur principale */
  --secondary-color: var(--institutional-gold); /* Couleur secondaire */
  --accent-color: var(--kanak-yellow);          /* Accent */
  --text-dark: #333333;              /* Texte foncé */
  --text-light: var(--institutional-white);     /* Texte clair */
  --background-light: var(--institutional-cream); /* Fond clair */
  --background-dark: var(--institutional-dark);   /* Fond foncé */
  
  /* Ombres et transitions */
  --card-shadow: none;
  --kanak-shadow: none;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  
  /* Bordures et lisérés */
  --lisere-thickness: 0;
  --lisere-thin: 0;
  --lisere-section: 0; /* Épaisseur pour les séparateurs de section */
  --border-radius-sm: 0;
  --border-radius-md: 0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: rgba(255, 250, 250, 0.30); /* Blanc écarlate avec 30% d'opacité */
  background-image: linear-gradient(to bottom, rgba(255, 250, 250, 0.35), rgba(255, 245, 245, 0.25), rgba(255, 250, 250, 0.35));
  border: none;
  min-height: 100vh;
  box-sizing: border-box;
  position: relative;
}

header {
  background-color: var(--institutional-white);
  color: var(--text-dark);
  padding: 1.5rem 0;
  position: relative;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border-bottom: none;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

nav ul {
  display: flex;
  list-style: none;
}

nav li {
  margin-left: 1.5rem;
}

nav a {
  color: var(--text-dark);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 3px;
  transition: all 0.3s ease;
}

nav a:hover {
  background-color: rgba(255,255,255,0.2);
}

.hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1516690561799-46d8f74f9abf?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,121,107,0.7) 0%, rgba(63,81,181,0.5) 100%);
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease forwards 0.5s;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 1s ease forwards;
}

.hero p {
  font-size: 1.4rem;
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.6;
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 1s ease forwards 0.3s;
}

.cta-buttons {
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 1s ease forwards 0.6s;
}

.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  margin: 0 0.5rem 1rem;
  background-color: var(--primary-color);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 30px;
  font-weight: 500;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

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

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--text-light);
}

.btn-accent {
  background-color: var(--accent-color);
  color: var(--text-dark);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.btn-primary:hover {
  background-color: #00897b;
}

.btn-secondary:hover {
  background-color: rgba(255,255,255,0.1);
}

.btn-accent:hover {
  background-color: #ffd740;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.2s;
  z-index: 2;
}

.scroll-indicator span {
  font-size: 0.9rem;
  margin-bottom: 8px;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.pulse {
  animation: pulse 2s infinite;
  font-size: 1.5rem;
}

@keyframes pulse {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.5;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

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

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(30px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* Séparateur institutionnel pour les sections */
.institutional-separator {
  height: var(--lisere-section);
  width: 60%;
  margin: 2rem auto;
  background: linear-gradient(to right, var(--kanak-blue), var(--kanak-red), var(--kanak-green));
  position: relative;
  border-radius: 2px;
  opacity: 0.85;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

section {
  padding: 4rem 2rem;
}

section + section {
  padding-top: 0; /* Réduire l'espace au-dessus des sections consécutives */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: var(--lisere-thin);
  background-color: var(--institutional-gold);
}

.section-title h2 {
  font-size: 2.25rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-dark);
  opacity: 0.8;
  font-style: italic;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-item {
  background-color: var(--institutional-white);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-fast);
  position: relative;
  border-top: var(--lisere-thin) solid var(--kanak-blue);
  border-bottom: var(--lisere-thin) solid var(--kanak-green);
}

.feature-item:before {
  display: none;
}

.feature-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-image {
  height: 200px;
  background-color: #ddd;
  background-size: cover;
  background-position: center;
}

.feature-content {
  padding: 1.5rem;
}

.feature-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.tech-section {
  background-color: var(--background-dark);
  color: var(--text-light);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.tech-item {
  background-color: rgba(255,255,255,0.1);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}

.tech-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.quote-section {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 4rem 2rem;
  text-align: center;
}

.quote-text {
  font-size: 1.5rem;
  font-style: italic;
  max-width: 800px;
  margin: 0 auto 1rem;
}

.quote-author {
  font-weight: 600;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-item {
  background-color: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.testimonial-content {
  font-style: italic;
  margin-bottom: 1rem;
}

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

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 1rem;
  background-color: #ddd;
}

.testimonial-info h4 {
  margin-bottom: 0.25rem;
}

.testimonial-info span {
  font-size: 0.875rem;
  color: #666;
}

.cta-section {
  background-color: var(--institutional-cream);
  color: var(--text-dark);
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  border-top: var(--lisere-thin) solid var(--kanak-blue);
  border-bottom: var(--lisere-thin) solid var(--kanak-green);
}

.cta-section:before, .cta-section:after {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  width: var(--lisere-thin);
  background-color: var(--kanak-red);
}

.cta-section:before {
  left: 0;
}

.cta-section:after {
  right: 0;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.cta-content:before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: var(--lisere-thin);
  background: linear-gradient(to right, var(--kanak-blue), var(--kanak-yellow), var(--kanak-red), var(--kanak-green));
}

.cta-content h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--institutional-dark);
}

.cta-content p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
  opacity: 0.9;
}

.contact-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--institutional-white);
  border-radius: 4px;
  box-shadow: var(--card-shadow);
  
}

.contact-item i {
  font-size: 1.5rem;
  margin-right: 0.75rem;
  color: var(--kanak-blue);
}

.contact-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--kanak-red);
}

footer {
  background-color: var(--background-dark);
  color: var(--text-light);
  padding: 4rem 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  color: var(--accent-color);
}

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

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

.footer-section a {
  color: var(--text-light);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.footer-section a:hover {
  opacity: 1;
}

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

.social-link {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  color: var(--text-light);
  text-align: center;
  line-height: 40px;
  transition: all 0.3s;
}

.social-link:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 3rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    text-align: center;
  }
  
  nav ul {
    margin-top: 1rem;
  }
  
  nav li {
    margin: 0 0.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

/* Spécificités pour les widgets d'affichage d'IA */
.ai-widget {
  position: relative;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 2rem;
  overflow: hidden;
  background-color: white;
}

.ai-widget-header {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-widget-content {
  padding: 1.5rem;
  height: 300px;
  overflow: auto;
}

.ai-visualization {
  width: 100%;
  height: 100%;
  border: none;
}

.tabs {
  display: flex;
  background-color: #f5f5f5;
  border-bottom: 1px solid #e0e0e0;
}

.tab {
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.3s;
}

.tab.active {
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

.tab-content {
  display: none;
  padding: 1.5rem;
}

.tab-content.active {
  display: block;
}

.chart-container {
  width: 100%;
  height: 300px;
  background-color: #f9f9f9;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #666;
}

/* Suppression globale de toutes les bordures et ombres */
.card, .card-header, .card-body, .card-footer {
  border: none !important;
  box-shadow: none !important;
}

.card-header {
  background-color: transparent;
  border-bottom: none !important;
}

.shadow-sm, .shadow, .shadow-lg {
  box-shadow: none !important;
}

/* Suppression des bordures colorées des feature-items */
.feature-item {
  border: none !important;
  border-top: none !important;
  border-bottom: none !important;
}