:root {
  --primary: #1152D6;
  --primary-dark: #0d3a9a;
  --primary-light: #3b82f6;
  --dark: #1a1a1a;
  --gray-dark: #4a5568;
  --gray-medium: #718096;
  --gray-light: #e2e8f0;
  --gray-bg: #f8fafc;
  --white: #ffffff;
  --success: #48bb78;
  --warning: #ed8936;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

*, *::before, *::after { 
  box-sizing: border-box; 
}

/* Classe pour lecteurs d'écran */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Amélioration du focus pour l'accessibilité */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

a:focus,
button:focus {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeSpeed;
}

/* Header - masquer sur mobile */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  padding: 1rem 2rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  transition: transform 0.3s ease;
  border-bottom: 3px solid var(--primary);
}

.header.visible {
  transform: translateY(0);
}

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

.header-logo {
  height: 40px;
  width: auto;
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.header-nav a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
  background: var(--primary);
  color: var(--white);
}

/* Menu Hamburger */
.hamburger-menu {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  background: var(--white);
  border: 2px solid transparent;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: var(--transition);
}

.hamburger-menu:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: var(--primary);
  margin: 2px 0;
  transition: var(--transition);
  border-radius: 2px;
  display: block;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Menu mobile overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-menu-nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 50px;
  transition: var(--transition);
  border: 2px solid transparent;
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
  background: var(--primary);
  border-color: var(--white);
  transform: scale(1.05);
}

.mobile-menu-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.mobile-menu-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* Navigation flottante - masquer sur mobile */
.floating-nav {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 999;
  background: var(--white);
  border-radius: 50px;
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}

.floating-nav.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
}

.floating-nav a {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  color: var(--gray-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 50px;
  transition: var(--transition);
  margin: 0 0.25rem;
}

.floating-nav a:hover,
.floating-nav a.active {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 8rem 2rem 6rem;
  position: relative;
  overflow: hidden;
  contain: layout style paint;
  content-visibility: auto;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-logo-container {
  display: inline-block;
  background: var(--white);



  padding: 1rem;
  border-radius: 30px;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  max-width: 90vw;
  overflow: hidden;
}

.hero-logo-container:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
  will-change: transform;
}

.hero-logo {
  height: clamp(200px, 30vw, 400px);
  width: auto;
  max-width: 100%;
  display: block;
  transition: var(--transition);
  object-fit: contain;
  will-change: transform;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.hero .description {
  font-size: 1.125rem;
  margin-bottom: 3rem;
  opacity: 0.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 2.5rem;
  background: var(--white);
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.125rem;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
}

.hero .cta-button:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Section Container */
.section {
  padding: 6rem 2rem;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: 600px;
}

.section:nth-child(even) {
  background: var(--gray-bg);
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--gray-medium);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  font-size: 1.125rem;
  color: var(--gray-dark);
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.stat-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.stat-label {
  color: var(--gray-medium);
  font-weight: 500;
  margin-top: 0.5rem;
}

/* Formations Section */
.formations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.formation-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  contain: layout style paint;
  transform: translateZ(0); /* Force GPU acceleration */
}

.formation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.formation-card:hover {
  transform: translateY(-8px) translateZ(0);
  box-shadow: var(--shadow-xl);
  will-change: transform;
}

.formation-card:hover::before {
  transform: scaleX(1);
}

.formation-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
  color: var(--white);
}

.formation-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 1rem;
}

.formation-description {
  color: var(--gray-medium);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  background: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

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

.contact-card {
  background: var(--gray-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 2px solid var(--gray-light);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

.contact-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 1rem;
}

.contact-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.contact-text {
  color: var(--gray-dark);
  font-weight: 500;
  margin: 0;
}

.contact-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 3rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.contact-cta > * {
  position: relative;
  z-index: 2;
}

.contact-cta h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

.btn-secondary {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--white);
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-secondary:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* Reservation Section */
.reservation {
  background: var(--white);
}

.reservation-wrapper {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid var(--primary);
}

.reservation .section-title {
  color: var(--white);
}

.reservation .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.reservation .section-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 3rem 2rem;
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
}

.reservation .section-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.reservation .section-header > * {
  position: relative;
  z-index: 2;
}

.calendly-container {
  background: var(--white);
  position: relative;
}

.calendly-inline-widget {
  width: 100%;
  height: 700px;
  border: none;
}

/* Legal Section */
.legal-content {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light);
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--gray-dark);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.legal-content strong {
  color: var(--dark);
  font-weight: 600;
}

.legal-content a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.legal-content a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem;
  font-size: 0.9rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.footer-info {
  text-align: left;
}

.footer-credits {
  text-align: right;
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Masquer le header sur mobile */
  .header {
    display: none !important;
  }

  /* Masquer la navigation flottante sur mobile */
  .floating-nav {
    display: none !important;
  }

  /* Afficher le menu hamburger sur mobile */
  .hamburger-menu {
    display: flex;
  }

  /* Ajustements pour le hero avec hamburger */
  .hero {
    padding: 4rem 1rem 3rem;
    padding-top: 5rem; /* Espace pour le hamburger */
  }

  .section {
    padding: 4rem 1rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

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

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1rem;
  }

  .footer-credits {
    text-align: center;
  }

  .legal-content {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hamburger-menu {
    width: 45px;
    height: 45px;
    top: 0.75rem;
    right: 0.75rem;
  }

  .hamburger-line {
    width: 18px;
  }

  .mobile-menu-nav a {
    font-size: 1.25rem;
    padding: 0.75rem 1.5rem;
  }

  .mobile-menu-close {
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    width: 35px;
    height: 35px;
  }

  .hero {
    padding-top: 4.5rem;
  }
}

/* Desktop - garder les menus normaux */
@media (min-width: 769px) {
  .hamburger-menu {
    display: none !important;
  }

  .mobile-menu {
    display: none !important;
  }
}

/* Modifier cette partie dans le fichier styles.css */

.manager-photo {
  text-align: center;
  position: relative;
}

.manager-image-frame {
  display: inline-block;
  width: 33%;
  height: auto;
  border-radius: 50%;
  padding: 8px;
  background: linear-gradient(45deg, var(--white), rgba(255, 255, 255, 0.8));
  box-shadow: var(--shadow-xl);
  position: relative;
  transition: var(--transition);
}

.manager-image-frame:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.manager-image-frame::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--white), rgba(255, 255, 255, 0.6));
  z-index: -1;
}

.manager-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: var(--transition);
}

.manager-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--white);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--primary);
}

/* Responsive pour la section gérant */
@media (max-width: 768px) {
  .manager-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }



  .manager-avatar {
    font-size: 3rem;
  }

  .manager-info h3 {
    font-size: 1.5rem;
  }

  .manager-info .title {
    font-size: 1.1rem;
  }

  .manager-info p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .manager-image-frame {
    width: 150px;
    height: 150px;
    padding: 5px;
  }

  .manager-avatar {
    font-size: 2.5rem;
  }

  .manager-info h3 {
    font-size: 1.3rem;
  }

  .manager-info .title {
    font-size: 1rem;
  }

  .manager-info p {
    font-size: 0.95rem;
  }
}

/* Optimisations CSS pour réduire les reflows */
.manager-image-frame,
.formation-card,
.contact-card,
.stat-card {
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Réduction de la complexité des ombres pour les performances */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Optimisation pour les écrans haute densité */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-logo,
  .header-logo {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Préchargement des transitions critiques */
.hamburger-menu,
.formation-card,
.cta-button,
.btn-secondary {
  will-change: transform;
}

/* Reset will-change après animation */
.formation-card:not(:hover),
.cta-button:not(:hover),
.btn-secondary:not(:hover) {
  will-change: auto;
}