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

        .navbar {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 1rem 0;
        }

        .navbar-brand {
            font-weight: bold;
            color: #007bff !important;
        }

        .nav-link {
            font-weight: 500;
            margin: 0 10px;
        }

        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }

        .btn-primary {
            background-color: #007bff;
            border: none;
            padding: 12px 30px;
            font-weight: bold;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background-color: #0056b3;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: #333;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: #007bff;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .feature-card, .service-card {
            transition: all 0.3s ease;
            padding: 30px 20px;
            border-radius: 10px;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }

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

        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 30px;
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,123,255,0.9);
            color: white;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        .contact-info {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
        }

        .contact-card {
            text-align: center;
            margin-bottom: 30px;
        }

        .contact-icon {
            font-size: 2rem;
            color: #007bff;
            margin-bottom: 15px;
        }

        .scroll-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            display: none;
            z-index: 999;
        }

        footer {
            background-color: #343a40;
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }

        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }