:root {
            --primary: #0a1929;
            --secondary: #102a43;
            --accent: #0077b6;
            --gold: #d4af37;
            --light: #f0f4f8;
            --text: #334e68;
            --text-light: #627d98;
            --darker: #061220;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Tajawal', 'Segoe UI', sans-serif;
        }
        
        body {
            background-color: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
            transition: all 0.4s ease;
        }
        
        body::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100vh;
            background: radial-gradient(circle at center, rgba(10, 25, 41, 0.8) 0%, rgba(6, 18, 32, 1) 70%);
            z-index: -1;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Language Switcher */
        .lang-switcher {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1001;
        }
        
        .lang-btn {
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
            border: 1px solid var(--accent);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 1002;
        }
        
        .lang-btn:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }
        
        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 25, 41, 0.9);
            backdrop-filter: blur(10px);
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.4s ease;
        }
        
        header.scrolled {
            padding: 15px 0;
            background: rgba(6, 18, 32, 0.98);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 45px;
            margin-left: 10px;
        }
        
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(to right, var(--accent), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin: 0 15px;
        }
        
        .nav-links a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            position: relative;
            padding: 8px 0;
            transition: all 0.3s ease;
        }
        
        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover {
            color: var(--accent);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .nav-links a.active {
            color: var(--accent);
        }
        
        .nav-links a.active::after {
            width: 100%;
        }
        
        .contact-btn {
            background: linear-gradient(135deg, var(--accent), #005a87);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
        }
        
        .contact-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

/* On supprime le ::before */
.hero::before {
  display: none;
}

/* L’iframe couvre tout le .hero */
.hero__bg-video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;   /* pour que l’iframe ne capte pas les clics */
  z-index: -1;
}

/* Contenu au‑dessus de la vidéo */
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

/* Titres et paragraphes */
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(to right, var(--light), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #d1e0eb;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 15px;
}

        
        .btn {
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #005a87);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
        }
        
        /* About Section */
        .section {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            background: linear-gradient(to right, var(--accent), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }
        
        .section-title p {
            color: #a0b1c0;
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.1rem;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--light);
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: #c2d0db;
        }
        
        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        
        .stat-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s ease;
        }
        
        .stat-item:hover {
            transform: translateY(-10px);
            border-color: rgba(0, 119, 182, 0.3);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
        }
        
        .stat-text {
            font-size: 1.1rem;
            color: #a0b1c0;
        }
        
        .about-image {
            flex: 1;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        /* Services Section */
        .services {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        
        .services::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1592424002053-21f369ad7fdb?ixlib=rb-4.0.3') no-repeat center center/cover;
            opacity: 0.05;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--accent), #005a87);
            opacity: 0.1;
            transition: height 0.4s ease;
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            border-color: rgba(0, 119, 182, 0.3);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }
        
        .service-card:hover::before {
            height: 100%;
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            background: rgba(0, 119, 182, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            color: var(--accent);
            transition: all 0.3s ease;
        }
        
        .service-card:hover .service-icon {
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
            transform: scale(1.1);
        }
        
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--light);
        }
        
        .service-card p {
            color: #a0b1c0;
            margin-bottom: 20px;
        }
        
        .service-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        
        .service-link:hover {
            gap: 12px;
            color: var(--gold);
        }
        
        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            border-radius: 15px;
            overflow: hidden;
            position: relative;
            height: 400px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        
        .project-image {
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            transition: transform 0.5s ease;
        }
        
        .project-card:hover .project-image {
            transform: scale(1.1);
        }
        
        .project-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(6, 18, 32, 0.9), transparent);
            padding: 30px;
            transform: translateY(100px);
            transition: transform 0.4s ease;
        }
        
        .project-card:hover .project-overlay {
            transform: translateY(0);
        }
        
        .project-category {
            display: inline-block;
            background: var(--accent);
            color: var(--light);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .project-title {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: white;
        }
        
        .project-desc {
            color: #c2d0db;
            margin-bottom: 20px;
        }
        
        .project-link {
            color: var(--gold);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        /* Contact Section */
        .contact {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        
        .contact::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1565373679100-6c3c0e48d1a2?ixlib=rb-4.0.3') no-repeat center center/cover;
            opacity: 0.05;
        }
        
        .contact-container {
            display: flex;
            gap: 50px;
        }
        
        .contact-info {
            flex: 1;
        }
        
        .contact-form {
            flex: 1;
        }
        
        .contact-item {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            align-items: flex-start;
        }
        
        .contact-icon {
            width: 60px;
            height: 60px;
            background: rgba(0, 119, 182, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        
        .contact-details h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--light);
        }
        
        .contact-details p {
            color: #a0b1c0;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-control {
            width: 100%;
            padding: 15px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: white;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(0, 119, 182, 0.05);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, var(--accent), #005a87);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            font-size: 1.1rem;
        }
        
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
        }
        
        /* Footer */
        footer {
            background: var(--primary);
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-col h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--light);
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--accent);
        }
        
        .footer-col p {
            color: #a0b1c0;
            margin-bottom: 20px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--accent);
            color: white;
            transform: translateY(-5px);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #a0b1c0;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .footer-links a:hover {
            color: var(--accent);
            gap: 15px;
        }
        
        .footer-links a i {
            font-size: 0.8rem;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0b1c0;
            font-size: 0.9rem;
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 3rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .contact-container {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section {
                padding: 70px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .lang-switcher {
                top: 90px;
                right: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .hero-btns {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                text-align: center;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
            
            .stat-number {
                font-size: 2rem;
            }
        }