 :root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --dark-color: #212529;
            --light-color: #f8f9fa;
            --accent-color: #20c997;
        }
        
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            overflow-x: hidden;
        }
        
        .navbar {
            transition: all 0.3s ease;
            padding: 15px 0;
        }
        
        .navbar.scrolled {
            padding: 8px 0;
            background-color: rgba(255, 255, 255, 0.98) !important;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://storage.googleapis.com/workspace-0f70711f-8b4e-4d94-86f1-2a93ccde5887/image/4ab0974b-db42-4f4b-89c2-49104c467acb.png') no-repeat center center/cover;
            opacity: 0.1;
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 500;
        }
        
        .btn-outline-light {
            padding: 10px 25px;
            font-weight: 500;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 50px;
            font-weight: 700;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background-color: var(--accent-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .service-card {
            padding: 30px 20px;
            border-radius: 10px;
            transition: all 0.3s ease;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-color: var(--accent-color);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            display: inline-block;
        }
        
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-item {
            display: flex;
            margin-bottom: 30px;
        }
        
        .feature-icon {
            background-color: rgba(13, 110, 253, 0.1);
            color: var(--primary-color);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .portfolio-img {
            transition: all 0.5s ease;
        }
        
        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }
        
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }
        
        .testimonial-card {
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            background-color: white;
            position: relative;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .testimonial-card::before {
            content: '\201C';
            font-family: Georgia, serif;
            font-size: 60px;
            color: rgba(13, 110, 253, 0.1);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
        }
        
        .client-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
        }
        
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 80px 0 0;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            display: block;
            margin-bottom: 10px;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            background-color: var(--accent-color);
            transform: translateY(-5px);
        }
        
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            margin-top: 50px;
        }
        
        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                text-align: center;
            }
            
            .hero-section h1 {
                font-size: 2.2rem;
            }
            
            .feature-item {
                flex-direction: column;
                text-align: center;
            }
            
            .feature-icon {
                margin: 0 auto 15px;
            }
        }