  :root {
            --primary-color: #4361ee;
            --secondary-color: #3f37c9;
            --accent-color: #4cc9f0;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --success-color: #4ade80;
            --warning-color: #facc15;
            --danger-color: #f87171;
            --gray-100: #f8f9fa;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-400: #ced4da;
            --gray-500: #adb5bd;
            --gray-600: #6c757d;
            --gray-700: #495057;
            --gray-800: #343a40;
            --gray-900: #212529;
            --border-radius: 8px;
            --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--gray-700);
            background-color: #ffffff;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background-color: var(--primary-color);
            color: white;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--primary-color);
            cursor: pointer;
            font-size: 1rem;
        }
        
        .btn:hover {
            background-color: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        
        .btn-secondary:hover {
            color: var(--secondary-color);
        }
        
        .btn-outline {
            background-color: transparent;
            color: var(--primary-color);
        }
        
        .btn-outline:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        section {
            padding: 5rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark-color);
            position: relative;
            display: inline-block;
            margin-bottom: 1rem;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.1rem;
            color: var(--gray-600);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 1rem 0;
            transition: var(--transition);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin-left: 2rem;
        }
        
        .nav-menu a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-menu a:hover {
            color: var(--primary-color);
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: var(--transition);
        }
        
        .nav-menu a:hover::after {
            width: 100%;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        #hero {
            padding: 10rem 0 5rem;
            background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 2;
        }
        
        .hero-text {
            flex: 1;
            padding-right: 2rem;
        }
        
        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        
        .hero-text p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            max-width: 600px;
        }
        
        .hero-btns {
            display: flex;
            gap: 1rem;
        }
        
        .hero-image {
            flex: 1;
            text-align: center;
        }
        
        .hero-image img {
            max-width: 100%;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        
        /* About Section */
        #about {
            background-color: var(--gray-100);
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 3rem;
        }
        
        .about-image {
            flex: 1;
        }
        
        .about-image img {
            width: 100%;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h2 {
            color: var(--dark-color);
        }
        
        /* Stats Section */
        #stats {
            background: linear-gradient(135deg, #3a0ca3 0%, #4361ee 100%);
            color: white;
        }
        
        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        
        .stat-item {
            padding: 2rem;
            border-radius: var(--border-radius);
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        
        .stat-item:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.15);
        }
        
        .stat-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            text-align: center;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(67, 97, 238, 0.1);
            border-radius: 50%;
            font-size: 2rem;
            color: var(--primary-color);
        }
        
        .service-card h3 {
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        
        /* Pricing Section */
        #pricing {
            background-color: var(--gray-100);
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .pricing-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem 2rem;
            box-shadow: var(--box-shadow);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .pricing-card.popular {
            border: 2px solid var(--primary-color);
            transform: scale(1.05);
        }
        
        .popular-tag {
            position: absolute;
            top: 15px;
            right: -30px;
            background: var(--primary-color);
            color: white;
            padding: 0.3rem 2rem;
            transform: rotate(45deg);
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .pricing-header {
            margin-bottom: 2rem;
        }
        
        .price {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        .price-period {
            color: var(--gray-600);
        }
        
        .pricing-features {
            list-style: none;
            margin: 2rem 0;
            text-align: left;
        }
        
        .pricing-features li {
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--gray-200);
        }
        
        .pricing-features li:last-child {
            border-bottom: none;
        }
        
        .pricing-features li::before {
            content: '✓';
            color: var(--success-color);
            font-weight: bold;
            margin-right: 0.5rem;
        }
        
        /* Testimonials */
        .testimonial-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .testimonial-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
            text-align: center;
            margin: 2rem;
        }
        
        .testimonial-text {
            font-style: italic;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            position: relative;
        }
        
        .testimonial-text::before,
        .testimonial-text::after {
            content: '"';
            font-size: 3rem;
            color: var(--gray-300);
            position: absolute;
        }
        
        .testimonial-text::before {
            top: -20px;
            left: -15px;
        }
        
        .testimonial-text::after {
            bottom: -40px;
            right: -15px;
        }
        
        .client-info {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .client-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-right: 1rem;
            object-fit: cover;
        }
        
        .client-details h4 {
            margin-bottom: 0.2rem;
        }
        
        .client-details p {
            color: var(--gray-600);
            font-size: 0.9rem;
        }
        
        /* Footer */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent-color);
        }
        
        .footer-column p {
            margin-bottom: 1rem;
            opacity: 0.8;
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: var(--transition);
        }
        
        .social-links a:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-text {
                padding-right: 0;
                margin-bottom: 3rem;
            }
            
            .hero-btns {
                justify-content: center;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                order: 2;
            }
            
            .about-text {
                order: 1;
                margin-bottom: 3rem;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 2rem 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 1.5rem 0;
            }
            
            .hero-text h1 {
                font-size: 2.5rem;
            }
            
            section {
                padding: 3rem 0;
            }
        }