* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: white;
        }
        

        
        .hero-section::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 1200 800"><defs><pattern id="construction" patternUnits="userSpaceOnUse" width="100" height="100"><rect fill="%23334155" width="100" height="100"/><rect fill="%23475569" x="10" y="10" width="80" height="80" opacity="0.1"/></pattern></defs><rect fill="url(%23construction)" width="1200" height="800"/></svg>');
            opacity: 0.1;
        }
        

        
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: white;
        }
      
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 50px;
            z-index: 10;
            position: relative;
        }
        
        .hero-content {
            max-width: 600px;
        }
        
        .hero-subtitle {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 20px;
            color: #cbd5e0;
        }
        
        .hero-title {
            font-size: 48px;
            font-weight: bold;
            line-height: 1.2;
            margin-bottom: 30px;
        }
        
        .hero-title .highlight {
            color: #ffee00;
        }
        
        .hero-description {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 40px;
            color: #cbd5e0;
        }
        
        .cta-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 5px;
            font-size: 14px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        
        .btn-primary {
            background: #ff6b35;
            color: white;
        }
        
        .btn-primary:hover {
            background: #e55a2b;
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }
        
        .btn-secondary:hover {
            background: white;
            color: #334155;
        }

        


        .about-hero {
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
              url(../IMG/divers-outils-de-travail-sur-le-plan-de-travail.jpg) center/cover;
  height: 70vh;
  display: flex;
  align-items: center;
  color: white;
  text-align: center;
  margin-top: 80px;
}

.about-hero h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  max-width: 900px;
  margin: 0 auto;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  color: #ddff00;
}

.about-hero h3{
  text-align: center;
}

/* Grilles */
.grid-col-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-col-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-col-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* Bloc introduction */
.highlight-text {
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 600;
  margin: 2rem 0;
  line-height: 1.4;
}

.image-block img {
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-hover);
}

/* Chiffres clés */
.key-figures {
  padding: 4rem 0;
  color: white;
  text-align: center;
  background: var(--primary); /* Ajout important */
}

.figure-item {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--card-radius);
}

.figure-item .number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: white;
}

.figure-item .label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
  .grid-col-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .figure-item {
    padding: 1rem;
  }
}

/* Cartes de valeurs */
.value-card {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--card-radius);
  background: white;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-10px);
}

.value-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: block;
}

.value-card h3 {
  color: var(--secondary);
  margin-bottom: 1rem;
}

/* Timeline historique */
.history-timeline {
  position: relative;
}

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--primary);
}

.timeline-item {
  width: 50%;
  padding: 1rem 2rem;
}

.timeline-item:nth-child(odd) {
  margin-left: auto;
  text-align: left;
}

.timeline-item:nth-child(even) {
  margin-right: auto;
  text-align: right;
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    text-align: left !important;
    padding-left: 40px;
  }

  
}
.timeline-year {
    left: 0 !important;
  }

.timeline-content {
  background: white;
  padding: 2rem;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow);
}

.timeline-content h3{
    color: #e55a2b;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-col-2, .grid-col-3, .grid-col-4 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .timeline {
    padding-left: 0;
    margin-left: 0;
  }

  .timeline-year {
    position: static;
    display: inline-block;
    margin-bottom: 1rem;
    color: #e55a2b;
  }

  .about-hero {
    height: 50vh;
    margin-top: 70px;
  }

  .value-card {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .figure-item .number {
    font-size: 2.5rem;
  }

  .timeline-content {
    padding: 1.5rem;
  }
}

/* Navigation mobile */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    background: var(--secondary);
    width: 100%;
    padding: 2rem 0;
    transition: var(--transition);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 0.5rem 0;
  }
}

/* Ajustements généraux */
.container {
  padding: 0 1.5rem;
}

@media (max-width: 480px) {
  .about-hero h1 {
    font-size: 1.8rem;
  }

  .highlight-text {
    font-size: 1.2rem;
  }

  .grid-col-4 {
    grid-template-columns: 1fr;
  }
}

/*sroll*/
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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