        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
        }

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

        .navbar {
            background-color: var(--primary-color);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-weight: 700;
            color: white !important;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: white !important;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 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('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,128L48,144C96,160,192,192,288,186.7C384,181,480,139,576,128C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center;
        }

        .hero-content {
            position: relative;
            z-index: 1;
        }

        .section-title {
            position: relative;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--secondary-color);
        }

        .service-card {
            border: none;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .service-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }

        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background-color: #2980b9;
            border-color: #2980b9;
            transform: translateY(-2px);
        }

        .contact-section {
            background-color: var(--light-color);
            padding: 80px 0;
        }

        .contact-form {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 3rem;
        }

        .form-control {
            border-radius: 5px;
            padding: 0.75rem 1rem;
            border: 1px solid #ddd;
            margin-bottom: 1.5rem;
        }

        .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
        }

        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 2rem 0;
        }

        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--secondary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .scroll-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .service-image {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .stats-section {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--secondary-color);
        }