:root {
            --primary-color: #1a237e;
            --secondary-color: #ff6f00;
            --accent-color: #4fc3f7;
            --dark-bg: #121212;
            --light-bg: #f5f5f5;
            --text-dark: #212121;
            --text-light: #ffffff;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            padding-top: 76px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .navbar {
            background-color: rgba(26, 35, 126, 0.95) !important;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow);
            transition: var(--transition);
            padding: 0.75rem 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--text-light) !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(18, 18, 18, 0.85), rgba(26, 35, 126, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: var(--text-light);
            padding: 8rem 0 6rem;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero-subtitle {
            font-size: 1.4rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            color: white;
            padding: 0.8rem 2.5rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: #e65100;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 111, 0, 0.4);
            color: white;
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title h2 {
            display: inline-block;
            font-size: 2.5rem;
            color: var(--primary-color);
        }
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 70px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .card-hover {
            transition: var(--transition);
            border: none;
            box-shadow: var(--shadow);
            height: 100%;
            border-radius: 15px;
            overflow: hidden;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .portfolio-item {
            border-radius: 15px;
            overflow: hidden;
            position: relative;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .portfolio-item img {
            transition: var(--transition);
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        .portfolio-item:hover img {
            transform: scale(1.05);
        }
        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(26, 35, 126, 0.9), transparent);
            color: white;
            padding: 2rem;
            transform: translateY(20px);
            opacity: 0;
            transition: var(--transition);
        }
        .portfolio-item:hover .portfolio-overlay {
            transform: translateY(0);
            opacity: 1;
        }
        .team-member {
            text-align: center;
            margin-bottom: 2rem;
        }
        .team-member img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid #f1f1f1;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
            height: 100%;
            border-left: 5px solid var(--secondary-color);
        }
        .client-logo {
            max-height: 50px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
        }
        .client-logo:hover {
            filter: grayscale(0);
            opacity: 1;
        }
        .footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: #cccccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .footer-title {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
            display: inline-block;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            margin-top: 3rem;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 3rem 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 8px;
            color: var(--primary-color);
            font-weight: 500;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: var(--transition);
            text-decoration: none !important;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .form-control-custom {
            border-radius: 10px;
            border: 1px solid #ddd;
            padding: 0.9rem 1.2rem;
            margin-bottom: 1.2rem;
            transition: var(--transition);
        }
        .form-control-custom:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 0.25rem rgba(79, 195, 247, 0.25);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            box-shadow: var(--shadow);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .section-title h2 {
                font-size: 2rem;
            }
        }