/* ===== VARIABLES CSS ===== */
        :root {
          --primary-color: #87CEEB;
          --secondary-color: #6B7280;
          --accent-color: #0891B2;
          --dark-color: #1F2937;
          --light-gray: #F3F4F6;
          --white: #FFFFFF;
          --black: #000000;
          --gradient-primary: linear-gradient(135deg, #87CEEB 0%, #0891B2 100%);
          --gradient-secondary: linear-gradient(135deg, #6B7280 0%, #374151 100%);
          --font-family: 'Inter', sans-serif;
          --font-size-xs: 0.75rem;
          --font-size-sm: 0.875rem;
          --font-size-base: 1rem;
          --font-size-lg: 1.125rem;
          --font-size-xl: 1.25rem;
          --font-size-2xl: 1.5rem;
          --font-size-3xl: 1.875rem;
          --font-size-4xl: 2.25rem;
          --font-size-5xl: 3rem;
          --spacing-xs: 0.25rem;
          --spacing-sm: 0.5rem;
          --spacing-md: 1rem;
          --spacing-lg: 1.5rem;
          --spacing-xl: 2rem;
          --spacing-2xl: 3rem;
          --spacing-3xl: 4rem;
          --border-radius-sm: 0.375rem;
          --border-radius-md: 0.5rem;
          --border-radius-lg: 0.75rem;
          --border-radius-xl: 1rem;
          --border-radius-2xl: 1.5rem;
          --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
          --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
          --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
          --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
          --transition-fast: 0.2s ease-in-out;
          --transition-normal: 0.3s ease-in-out;
          --transition-slow: 0.5s ease-in-out;
        }

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

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

        body {
          font-family: var(--font-family);
          font-size: var(--font-size-base);
          line-height: 1.6;
          color: var(--dark-color);
          background-color: var(--white);
          overflow-x: hidden;
        }

        .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 var(--spacing-md);
        }

        .text-gradient {
          background: var(--gradient-primary);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
        }

        .btn {
          display: inline-flex;
          align-items: center;
          gap: var(--spacing-sm);
          padding: var(--spacing-md) var(--spacing-xl);
          border: none;
          border-radius: var(--border-radius-lg);
          font-weight: 600;
          text-decoration: none;
          transition: all var(--transition-normal);
          cursor: pointer;
          font-size: var(--font-size-base);
        }

        .btn-primary {
          background: var(--gradient-primary);
          color: var(--white);
          box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
          transform: translateY(-2px);
          box-shadow: var(--shadow-lg);
        }

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

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

        .btn-full {
          width: 100%;
          justify-content: center;
        }

        /* ===== HEADER ===== */
        .header {
          position: fixed;
          top: 0;
          left: 0;
          right: 0;
          z-index: 1000;
          background: rgba(255, 255, 255, 0.95);
          backdrop-filter: blur(10px);
          border-bottom: 1px solid rgba(135, 206, 235, 0.1);
          transition: all var(--transition-normal);
        }

        .navbar {
          padding: var(--spacing-md) 0;
        }

        .nav-container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 var(--spacing-md);
          display: flex;
          align-items: center;
          justify-content: space-between;
          flex-wrap: wrap;
          gap: var(--spacing-md);
        }

        .nav-logo {
          display: flex;
          align-items: center;
          gap: var(--spacing-sm);
          padding: var(--spacing-xs);
        }

        .logo-img {
          height: auto;
          width: 200px;
          object-fit: contain;
          background: transparent;
          max-width: 400px;
        }

        .nav-menu {
          display: flex;
          align-items: center;
          gap: var(--spacing-md);
        }

        .nav-links {
          display: flex;
          list-style: none;
          gap: var(--spacing-lg);
        }

        .nav-link {
          text-decoration: none;
          color: var(--dark-color);
          font-weight: 500;
          transition: color var(--transition-fast);
          position: relative;
        }

        .nav-link:hover {
          color: var(--primary-color);
        }

        .nav-link::after {
          content: '';
          position: absolute;
          bottom: -4px;
          left: 0;
          width: 0;
          height: 2px;
          background: var(--gradient-primary);
          transition: width var(--transition-normal);
        }

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

        .mobile-menu-btn {
          display: none;
          background: none;
          border: none;
          font-size: var(--font-size-xl);
          color: var(--primary-color);
          cursor: pointer;
        }

        /* ===== MAIN CONTENT ===== */
        main {
          margin-top: 130px;
        }

        /* ===== HERO SECTION ===== */
        .hero-section {
          min-height: calc(100vh - 130px);
          display: flex;
          align-items: center;
          position: relative;
          background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
          overflow: hidden;
          padding-top: var(--spacing-xl);
        }

        .hero-container {
          max-width: 1200px;
          margin: 0 auto;
          padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-3xl) var(--spacing-md);
          display: grid;
          grid-template-columns: 1fr 1fr;
          gap: var(--spacing-3xl);
          align-items: center;
        }

        .hero-content {
          z-index: 2;
        }

        .hero-title {
          font-size: var(--font-size-5xl);
          font-weight: 800;
          line-height: 1.1;
          margin-bottom: var(--spacing-lg);
          color: var(--dark-color);
        }

        .hero-description {
          font-size: var(--font-size-lg);
          color: var(--secondary-color);
          margin-bottom: var(--spacing-2xl);
          line-height: 1.7;
        }

        .hero-buttons {
          display: flex;
          gap: var(--spacing-md);
          flex-wrap: wrap;
          justify-content: center;
        }

        .hero-video {
          position: relative;
          border-radius: var(--border-radius-2xl);
          overflow: hidden;
          box-shadow: var(--shadow-xl);
        }

        .video-container {
          position: relative;
          width: 100%;
          height: 400px;
          overflow: hidden;
        }

        .video-container video {
          width: 100%;
          height: 100%;
          object-fit: cover;
          display: none;
        }

        .video-poster {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          z-index: 1;
        }

        .video-poster img {
          width: 100%;
          height: 100%;
          object-fit: cover;
          border-radius: var(--border-radius-2xl);
        }

        .play-button-transparent {
          position: absolute;
          top: 50%;
          left: 50%;
          transform: translate(-50%, -50%);
          width: 80px;
          height: 80px;
          background: rgba(255, 255, 255, 0.2);
          backdrop-filter: blur(10px);
          border: 2px solid rgba(255, 255, 255, 0.3);
          border-radius: 50%;
          display: flex;
          align-items: center;
          justify-content: center;
          cursor: pointer;
          z-index: 10;
          transition: all var(--transition-normal);
        }

        .play-button-transparent:hover {
          transform: translate(-50%, -50%) scale(1.1);
          background: rgba(255, 255, 255, 0.3);
          border-color: rgba(255, 255, 255, 0.5);
        }

        .play-button-transparent:active {
          transform: translate(-50%, -50%) scale(0.95);
        }

        .play-button-transparent i {
          font-size: 28px;
          color: white;
          margin-left: 4px;
          text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .play-button-transparent::before {
          content: '';
          position: absolute;
          top: -8px;
          left: -8px;
          right: -8px;
          bottom: -8px;
          border-radius: 50%;
          background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
          animation: pulse-ring-transparent 3s infinite;
          z-index: -1;
        }

        @keyframes pulse-ring-transparent {
          0% { transform: scale(1); opacity: 0.3; }
          50% { transform: scale(1.2); opacity: 0.1; }
          100% { transform: scale(1.4); opacity: 0; }
        }

        /* ===== SECTIONS ===== */
        .services-section,
        .about-section,
        .contact-section {
          padding: var(--spacing-3xl) 0;
        }

        .services-section {
          background: var(--white);
        }

        .about-section {
          background: var(--light-gray);
        }

        .contact-section {
          background: var(--white);
        }

        .section-header {
          text-align: center;
          margin-bottom: var(--spacing-3xl);
        }

        .section-title {
          font-size: var(--font-size-4xl);
          font-weight: 700;
          color: var(--dark-color);
          margin-bottom: var(--spacing-md);
        }

        .section-description {
          font-size: var(--font-size-lg);
          color: var(--secondary-color);
          max-width: 600px;
          margin: 0 auto;
        }

        /* ===== SERVICES GRID ===== */
        .services-grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
          gap: var(--spacing-xl);
        }

        .service-card {
          background: var(--white);
          padding: var(--spacing-2xl);
          border-radius: var(--border-radius-xl);
          box-shadow: var(--shadow-md);
          transition: all var(--transition-normal);
          border: 1px solid rgba(135, 206, 235, 0.1);
        }

        .service-card:hover {
          transform: translateY(-5px);
          box-shadow: var(--shadow-xl);
          border-color: var(--primary-color);
        }

        .service-icon {
          width: 60px;
          height: 60px;
          background: var(--gradient-primary);
          border-radius: var(--border-radius-lg);
          display: flex;
          align-items: center;
          justify-content: center;
          margin-bottom: var(--spacing-lg);
        }

        .service-icon i {
          font-size: var(--font-size-2xl);
          color: var(--white);
        }

        .service-card h3 {
          font-size: var(--font-size-xl);
          font-weight: 600;
          color: var(--dark-color);
          margin-bottom: var(--spacing-md);
        }

        .service-card p {
          color: var(--secondary-color);
          margin-bottom: var(--spacing-lg);
          line-height: 1.6;
        }

        .service-features {
          list-style: none;
        }

        .service-features li {
          padding: var(--spacing-xs) 0;
          color: var(--secondary-color);
          position: relative;
          padding-left: var(--spacing-lg);
        }

        .service-features li::before {
          content: '✓';
          position: absolute;
          left: 0;
          color: var(--primary-color);
          font-weight: bold;
        }

        /* ===== ABOUT SECTION ===== */
        .about-content {
          display: grid;
          grid-template-columns: 2fr 1fr;
          gap: var(--spacing-3xl);
          align-items: center;
        }

        .about-description {
          font-size: var(--font-size-lg);
          color: var(--secondary-color);
          margin-bottom: var(--spacing-xl);
          line-height: 1.7;
        }

        .about-features {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: var(--spacing-md);
        }

        .feature-item {
          display: flex;
          align-items: center;
          gap: var(--spacing-sm);
        }

        .feature-item i {
          color: var(--primary-color);
          font-size: var(--font-size-lg);
        }

        .about-stats {
          display: flex;
          flex-direction: column;
          gap: var(--spacing-xl);
        }

        .stat-item {
          text-align: center;
          padding: var(--spacing-xl);
          background: var(--white);
          border-radius: var(--border-radius-xl);
          box-shadow: var(--shadow-md);
        }

        .stat-item-link {
          text-decoration: none;
          color: inherit;
          display: block;
          transition: all var(--transition-normal);
          cursor: pointer;
        }

        .stat-item-link:hover {
          transform: translateY(-3px);
          box-shadow: var(--shadow-lg);
          background: linear-gradient(135deg, #f8fafc 0%, rgba(135, 206, 235, 0.1) 100%);
        }

        .stat-item-link:hover .stat-number {
          color: var(--accent-color);
        }

        .stat-item-link:hover .stat-label {
          color: var(--primary-color);
        }

        .stat-number {
          font-size: var(--font-size-4xl);
          font-weight: 800;
          color: var(--primary-color);
          margin-bottom: var(--spacing-sm);
          line-height: 1.1;
        }

        .stat-item-link .stat-number {
          font-size: var(--font-size-2xl);
          font-weight: 700;
        }

        .stat-label {
          color: var(--secondary-color);
          font-weight: 500;
        }

        /* ===== CONTACT SECTION ===== */
        .contact-content {
          display: grid;
          grid-template-columns: 1fr 1fr;
          gap: var(--spacing-3xl);
        }

        .contact-info h3 {
          font-size: var(--font-size-2xl);
          font-weight: 600;
          color: var(--dark-color);
          margin-bottom: var(--spacing-md);
        }

        .contact-info p {
          color: var(--secondary-color);
          margin-bottom: var(--spacing-xl);
          line-height: 1.6;
        }

        .contact-methods {
          display: flex;
          flex-direction: column;
          gap: var(--spacing-lg);
        }

        .contact-method {
          display: flex;
          align-items: center;
          gap: var(--spacing-md);
          padding: var(--spacing-lg);
          background: #f8fafc;
          border-radius: var(--border-radius-lg);
        }

        .contact-method i {
          font-size: var(--font-size-xl);
          color: var(--primary-color);
          width: 24px;
        }

        .contact-method strong {
          display: block;
          color: var(--dark-color);
          margin-bottom: var(--spacing-xs);
        }

        .contact-method span,
        .contact-method a {
          color: var(--secondary-color);
          text-decoration: none;
        }

        .contact-method a:hover {
          color: var(--primary-color);
        }

        /* ===== FORMULAIRE ===== */
        .contact-form {
          background: #f8fafc;
          padding: var(--spacing-2xl);
          border-radius: var(--border-radius-xl);
        }

        .form-group {
          margin-bottom: var(--spacing-lg);
        }

        .form-group input,
        .form-group textarea {
          width: 100%;
          padding: var(--spacing-md);
          border: 2px solid transparent;
          border-radius: var(--border-radius-lg);
          font-size: var(--font-size-base);
          font-family: var(--font-family);
          background: var(--white);
          transition: all var(--transition-normal);
        }

        .form-group input:focus,
        .form-group textarea:focus {
          outline: none;
          border-color: var(--primary-color);
          box-shadow: 0 0 0 3px rgba(135, 206, 235, 0.1);
        }

        .form-group textarea {
          resize: vertical;
          min-height: 120px;
        }

        /* ===== FOOTER ===== */
        .footer {
          background: var(--dark-color);
          color: var(--white);
          padding: var(--spacing-3xl) 0 var(--spacing-xl) 0;
        }

        .footer-content {
          display: grid !important;
          grid-template-columns: 1fr 1fr 1fr !important;
          gap: var(--spacing-3xl);
          margin-bottom: var(--spacing-2xl);
          align-items: start;
          width: 100%;
        }

        @media (min-width: 769px) {
          .footer-content {
            display: grid !important;
            grid-template-columns: 1fr 1fr 1fr !important;
            gap: var(--spacing-3xl) !important;
          }
        }

        .footer-column h4 {
          color: var(--primary-color);
          margin-bottom: var(--spacing-md);
          font-weight: 600;
        }

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

        .footer-column li {
          margin-bottom: var(--spacing-sm);
        }

        .footer-column a {
          color: #d1d5db;
          text-decoration: none;
          transition: color var(--transition-fast);
        }

        .footer-column a:hover {
          color: var(--primary-color);
        }

        .footer-bottom {
          border-top: 1px solid #374151;
          padding-top: var(--spacing-xl);
          text-align: center;
          color: #9ca3af;
        }

        .footer-bottom p {
          margin-bottom: var(--spacing-sm);
        }

        .footer-bottom a {
          color: var(--primary-color);
          text-decoration: none;
        }

        .footer-bottom a:hover {
          text-decoration: underline;
        }

        /* ===== RESPONSIVE DESIGN ===== */
        @media (max-width: 1024px) {
          main {
            margin-top: 150px;
          }
          
          .hero-section {
            min-height: calc(100vh - 150px);
            padding-top: var(--spacing-lg);
          }
          
          .nav-container {
            justify-content: space-between;
          }
          
          .hero-container {
            grid-template-columns: 1fr;
            text-align: center;
          }
          
          .hero-title {
            font-size: var(--font-size-4xl);
          }
          
          .services-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
          }
          
          .about-content {
            grid-template-columns: 1fr;
            text-align: center;
          }
          
          .about-features {
            grid-template-columns: 1fr;
          }
          
          .contact-content {
            grid-template-columns: 1fr;
          }
          
          .footer-content {
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--spacing-xl);
          }
        }

        @media (max-width: 768px) {
          main {
            margin-top: 130px;
          }
          
          .hero-section {
            min-height: calc(100vh - 130px);
          }
          
          .nav-links {
            display: none;
          }
          
          .mobile-menu-btn {
            display: block;
          }
          
          .hero-title {
            font-size: var(--font-size-3xl);
          }
          
          .hero-buttons {
            flex-direction: column;
            align-items: center;
          }
          
          .services-grid {
            grid-template-columns: 1fr;
          }
          
          .about-features {
            grid-template-columns: 1fr;
          }
          
          .footer-content {
            grid-template-columns: 1fr;
          }
          
          .section-title {
            font-size: var(--font-size-3xl);
          }
          
          .container {
            padding: 0 var(--spacing-sm);
          }
        }

        @media (max-width: 480px) {
          .hero-title {
            font-size: var(--font-size-2xl);
          }
          
          .section-title {
            font-size: var(--font-size-2xl);
          }
          
          .contact-form {
            padding: var(--spacing-lg);
          }
          
          .service-card {
            padding: var(--spacing-lg);
          }
        }