:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--dark);
            overflow-x: hidden;
            line-height: 1.7;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary) !important;
        }
        .nav-link {
            font-weight: 600;
            color: var(--dark) !important;
            margin: 0 0.5rem;
            padding: 0.5rem 1rem !important;
            border-radius: 0.375rem;
            transition: all 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            background-color: var(--primary);
            color: white !important;
        }
        .hero-section {
            background: linear-gradient(rgba(30, 58, 138, 0.85), rgba(30, 58, 138, 0.9)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0 6rem;
            margin-top: 76px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        .icon-box {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), #3b82f6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 0.5rem;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #1d4ed8;
            border-color: #1d4ed8;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 58, 138, 0.2);
        }
        .btn-outline-primary {
            color: var(--primary);
            border-color: var(--primary);
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 0.5rem;
            transition: all 0.3s;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .footer {
            background-color: var(--dark);
            color: white;
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-title {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
            display: inline-block;
        }
        .flink {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1.5rem;
            margin: 0.3rem;
            border-radius: 50px;
            color: #e2e8f0;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid transparent;
        }
        .flink:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            border-color: var(--primary);
            text-decoration: none;
        }
        .contact-info li {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
        }
        .contact-info i {
            color: var(--accent);
            margin-right: 1rem;
            margin-top: 0.3rem;
            flex-shrink: 0;
        }
        .product-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
            border-left: 3px solid var(--primary);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -2.4rem;
            top: 0.5rem;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: var(--gray);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .form-control, .form-select {
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            border: 1px solid #cbd5e1;
            transition: all 0.3s;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.25);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary);
            color: white;
            transform: translateY(-5px);
        }
        .cert-badge {
            display: inline-block;
            background: #10b981;
            color: white;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }