:root {
            --npl-blue: #0056a6;
            --npl-light-blue: #1a7fc1;
            --npl-dark: #003466;
            --npl-gray: #4a5c6c;
            --npl-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.6rem;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 166, 0.85), rgba(0, 52, 102, 0.9)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            color: var(--npl-dark);
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            background: var(--npl-light-blue);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 84, 166, 0.1);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--npl-light-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
        }
        .btn-npl {
            background: var(--npl-blue);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-npl:hover {
            background: var(--npl-dark);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 84, 166, 0.3);
        }
        .btn-outline-npl {
            border: 2px solid var(--npl-blue);
            color: var(--npl-blue);
            background: transparent;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline-npl:hover {
            background: var(--npl-blue);
            color: white;
        }
        .research-card {
            border-left: 5px solid var(--npl-light-blue);
            background: var(--npl-light);
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 0 8px 8px 0;
        }
        .news-card {
            border-top: 4px solid var(--npl-light-blue);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-top-color: var(--npl-dark);
        }
        footer {
            background: var(--npl-dark);
            color: white;
        }
        .flink {
            color: #c2e0ff;
            text-decoration: none;
            padding: 5px 10px;
            border-radius: 4px;
            transition: all 0.3s ease;
            display: inline-block;
            margin: 3px 0;
        }
        .flink:hover {
            color: white;
            background: rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .contact-info li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--npl-light-blue);
        }
        .breadcrumb {
            background: rgba(0, 84, 166, 0.08);
            border-radius: 30px;
            padding: 10px 20px;
        }
        .tab-content {
            padding: 30px;
            border: 1px solid #dee2e6;
            border-top: none;
            border-radius: 0 0 10px 10px;
        }
        .nav-tabs .nav-link {
            color: var(--npl-gray);
            font-weight: 600;
            border: none;
            padding: 12px 25px;
        }
        .nav-tabs .nav-link.active {
            color: var(--npl-blue);
            border-bottom: 3px solid var(--npl-blue);
            background: transparent;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--npl-blue);
            line-height: 1;
        }
        .award-badge {
            background: #ffc107;
            color: #333;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin: 5px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }