:root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #1a252f;
            --success: #27ae60;
            --warning: #f39c12;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .navbar {
            background-color: var(--primary);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary) !important;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title h2 {
            font-weight: 700;
            color: var(--primary);
            display: inline-block;
            padding-bottom: 10px;
        }
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 30px;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
        }
        .btn-primary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #2980b9;
            border-color: #2980b9;
            transform: scale(1.05);
        }
        .footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--secondary);
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: #f8f9fa;
            border-radius: 6px;
            color: var(--primary);
            border: 1px solid #dee2e6;
            transition: all 0.3s;
            text-decoration: none;
        }
        .friendlink a.flink:hover {
            background: var(--secondary);
            color: white;
            border-color: var(--secondary);
            transform: translateY(-3px);
        }
        .contact-info i {
            width: 40px;
            color: var(--secondary);
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--light);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .timeline-item:nth-child(odd) .timeline-content:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: white;
            top: 30px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 1px 1px 5px rgba(0,0,0,0.2);
        }
        .timeline-item:nth-child(even) .timeline-content:after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            left: -10px;
            background-color: white;
            top: 30px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 1px 1px 5px rgba(0,0,0,0.2);
        }
        @media screen and (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
        }
        .stats-counter {
            font-size: 3rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .client-logo {
            filter: grayscale(100%);
            opacity: 0.6;
            transition: all 0.3s;
            max-height: 80px;
        }
        .client-logo:hover {
            filter: grayscale(0);
            opacity: 1;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--secondary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            z-index: 1000;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .service-card {
            border-left: 5px solid var(--secondary);
        }
        .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
        }