/* Variables de couleur */
    :root {
      --primary-yellow: #FFD700;
      --primary-green: #2ecc71;
      --secondary-green: #27ae60;
      --dark: #2c3e50;
      --light: #ecf0f1;
      --accent: #f39c12;
    }

    /* Réinitialisations et styles globaux */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
      background-color: var(--light);
    }

    .container {
      width: 90%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Loader */
    .loader {
      position: fixed;
      width: 100%;
      height: 100%;
      background: #111;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      z-index: 9999;
      transition: 0.4s ease;
    }

    .loader-logo {
      width: 100px;
      margin-bottom: 10px;
    }

    .loader-spinner {
      border: 5px solid #333;
      border-top: 5px solid #ffd700;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      animation: spin 1s linear infinite;
    }

    .loader-text {
      margin-top: 10px;
      font-size: 16px;
      color: #ddd;
    }

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


    section {
      padding: 80px 0;
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      line-height: 1.2;
    }

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

    ul {
      list-style: none;
    }

    img {
      max-width: 100%;
    }

    .btn {
      display: inline-block;
      padding: 12px 30px;
      border-radius: 50px;
      font-weight: 600;
      text-align: center;
      transition: all 0.3s ease;
      cursor: pointer;
    }

    /* Header style avec fond jaune */
    header {
      background-color: var(--primary-yellow);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 15px 0;
    }

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

    .logo {
      height: 60px;
    }

    .nav-links {
      display: flex;
      gap: 30px;
    }

    .nav-links li a {
      font-weight: 600;
      position: relative;
      padding: 5px 0;
    }

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

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

    .navbar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .menu-container {
      position: relative;
    }

    .grid-icon {
      font-size: 30px;
      cursor: pointer;
      color: var(--dark);
      transition: transform 0.3s ease;
    }

    .grid-icon:hover {
      transform: scale(1.1);
      color: var(--primary-green);
    }

    .dropdown {
      position: absolute;
      top: 50px;
      right: 0;
      background: white;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      width: 200px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: all 0.3s ease;
      z-index: 100;
    }

    .dropdown.active {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .app-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      padding: 15px;
    }

    .app-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 80px;
      background: var(--light);
      border-radius: 8px;
      text-align: center;
      padding: 10px;
      font-size: 14px;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .app-icon:hover {
      background: var(--primary-green);
      color: white;
      transform: translateY(-5px);
    }

    .hamburger {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      display: none;
    }

    /* Bannière avec image de fond */
    .hero-banner {
      background-image: url(../Follio/Img/V1.jpg);
      background-size: cover;
      background-position: center;
      height: 70vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
    }

    .banner-content {
      max-width: 800px;
      padding: 0 20px;
      transform: translateY(20px);
      opacity: 0;
      animation: fadeUp 1s forwards 0.5s;
    }

    .banner-content h1 {
      font-size: 3rem;
      margin-bottom: 20px;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }

    .banner-content p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    }

    .btn-banner {
      background: var(--primary-green);
      color: white;
      border: 2px solid transparent;
      font-size: 1.1rem;
    }

    .btn-banner:hover {
      background: transparent;
      border-color: var(--primary-green);
      transform: translateY(-3px);
    }

    /* Section des Services */
    .services-section {
      background: white;
    }

    .section-header {
      text-align: center;
      margin-bottom: 50px;
      transform: translateY(20px);
      opacity: 0;
      animation: fadeUp 1s forwards 0.7s;
    }

    .section-header h2 {
      font-size: 2.5rem;
      color: var(--dark);
      margin-bottom: 15px;
    }

    .section-header p {
      color: #777;
      font-size: 1.2rem;
    }

    .intro-box {
      background: linear-gradient(135deg, var(--primary-yellow), #ffec80);
      border-radius: 15px;
      padding: 30px;
      margin-bottom: 50px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transform: translateY(20px);
      opacity: 0;
      animation: fadeUp 1s forwards 0.9s;
    }

    .intro-box h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: var(--dark);
    }

    .intro-box h3 span {
      color: var(--primary-green);
      font-weight: 800;
    }

    .intro-box p {
      margin-bottom: 25px;
      font-size: 1.1rem;
      line-height: 1.8;
    }

    .btn-service {
      background: var(--primary-green);
      color: white;
      border: 2px solid transparent;
      font-weight: 600;
    }

    .btn-service:hover {
      background: transparent;
      border-color: var(--primary-green);
      color: var(--primary-green);
      transform: translateY(-3px);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 30px;
    }

    .service-card {
      background: white;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.4s ease;
      transform: translateY(20px);
      opacity: 0;
      animation: fadeUp 1s forwards;
      border-top: 4px solid var(--primary-green);
    }

    .service-card:nth-child(1) { animation-delay: 1.1s; }
    .service-card:nth-child(2) { animation-delay: 1.3s; }
    .service-card:nth-child(3) { animation-delay: 1.5s; }
    .service-card:nth-child(4) { animation-delay: 1.7s; }
    .service-card:nth-child(5) { animation-delay: 1.9s; }
    .service-card:nth-child(6) { animation-delay: 2.1s; }

    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    }

    .service-card i {
      font-size: 3rem;
      color: var(--primary-green);
      margin-bottom: 20px;
      display: block;
    }

    .service-card h4 {
      font-size: 1.4rem;
      margin-bottom: 15px;
      color: var(--dark);
    }

    .service-card p {
      color: #666;
      line-height: 1.7;
    }

    /* Galerie photo */
    .photo-gallery {
      background: linear-gradient(135deg, #f9f9f9, #e8f5e9);
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .gallery-item {
      position: relative;
      height: 300px;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transform: scale(0.95);
      opacity: 0;
      animation: fadeIn 1s forwards, scaleUp 0.5s forwards;
      animation-delay: calc(0.2s * var(--i));
    }

    .gallery-item:nth-child(1) { --i: 1; }
    .gallery-item:nth-child(2) { --i: 2; }
    .gallery-item:nth-child(3) { --i: 3; }
    .gallery-item:nth-child(4) { --i: 4; }
    .gallery-item:nth-child(5) { --i: 5; }
    .gallery-item:nth-child(6) { --i: 6; }

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

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

    .gallery-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
      padding: 20px;
      color: white;
      transform: translateY(100%);
      transition: transform 0.3s ease;
    }

    .gallery-item:hover .gallery-overlay {
      transform: translateY(0);
    }

    .gallery-overlay h3 {
      margin-bottom: 5px;
      font-size: 1.5rem;
    }

    .gallery-overlay p {
      font-size: 0.9rem;
      opacity: 0.8;
    }

    .gallery-cta {
      text-align: center;
      margin-top: 50px;
      transform: translateY(20px);
      opacity: 0;
      animation: fadeUp 1s forwards 2.3s;
    }

    .btn-gallery {
      background: var(--dark);
      color: white;
      font-weight: 600;
      padding: 15px 40px;
    }

    .btn-gallery:hover {
      background: var(--primary-green);
      transform: translateY(-3px);
    }

    /* Footer */
    footer {
      background: var(--dark);
      color: white;
      padding: 60px 0 20px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col {
      padding: 0 15px;
    }

    .footer-logo {
      max-width: 150px;
      margin-bottom: 15px;
    }

    .footer-col h4 {
      font-size: 1.3rem;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 50px;
      height: 3px;
      background: var(--primary-green);
    }

    .footer-links {
      display: flex;
      flex-direction: column;
    }

    .footer-links a {
      color: #bdc3c7;
      margin-bottom: 12px;
      transition: all 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--primary-yellow);
      padding-left: 5px;
    }

    .footer-col p {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
      color: #bdc3c7;
    }

    .footer-col i {
      margin-right: 10px;
      color: var(--primary-yellow);
      min-width: 20px;
      text-align: center;
    }

    .social-links {
      display: flex;
      margin-top: 20px;
      gap: 10px;
    }

    .social-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      width: 40px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      color: white;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      background: var(--primary-green);
      transform: translateY(-3px);
    }

    .newsletter form {
      display: flex;
      margin-top: 20px;
    }

    .newsletter input {
      flex: 1;
      padding: 12px;
      border: none;
      outline: none;
      border-radius: 4px 0 0 4px;
      font-size: 1rem;
    }

    .newsletter button {
      background: var(--primary-green);
      color: white;
      border: none;
      padding: 0 20px;
      border-radius: 0 4px 4px 0;
      cursor: pointer;
      transition: background 0.3s;
    }

    .newsletter button:hover {
      background: var(--secondary-green);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.9rem;
    }

    .footer-bottom p {
      margin: 5px 0;
      color: #bdc3c7;
    }

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

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

    @keyframes scaleUp {
      from {
        transform: scale(0.95);
      }
      to {
        transform: scale(1);
      }
    }

    /* Responsive */
    @media (max-width: 992px) {
      .nav-links {
        display: none;
      }
      
      .hamburger {
        display: block;
      }
      
      .banner-content h1 {
        font-size: 2.5rem;
      }
    }

    @media (max-width: 768px) {
      .services-grid, .gallery-grid {
        grid-template-columns: 1fr;
      }
      
      .banner-content h1 {
        font-size: 2rem;
      }
      
      .banner-content p {
        font-size: 1rem;
      }
      
      section {
        padding: 60px 0;
      }
    }