:root {
            --primary-green: #2e7d32;
            --secondary-green: #388e3c;
            --light-green: #c8e6c9;
            --accent-gold: #ffb300;
            --dark-gray: #333;
            --light-gray: #f8f9fa;
        }
        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark-gray);
            line-height: 1.7;
        }
        h1, h2, h3, h4, h5 {
            font-family: 'Roboto', sans-serif;
            font-weight: 600;
            color: var(--primary-green);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-green) !important;
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s;
        }
        .nav-link:hover {
            color: var(--primary-green) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                        url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            padding-bottom: 1rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--accent-gold);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
            padding: 0.6rem 1.8rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-green);
            border-color: var(--secondary-green);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(46, 125, 50, 0.3);
        }
        .stats-box {
            background-color: var(--light-green);
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s;
        }
        .stats-box:hover {
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-green);
            display: block;
        }
        footer {
            background-color: #222;
            color: #ddd;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .friendlink {
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            transition: all 0.3s;
            display: inline-block;
        }
        .friendlink:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .flink {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
        }
        .flink:hover {
            color: var(--accent-gold);
        }
        .contact-info i {
            width: 40px;
            height: 40px;
            background-color: var(--light-green);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary-green);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .display-4 {
                font-size: 2.2rem;
            }
            .navbar-nav {
                text-align: center;
                padding-top: 1rem;
            }
        }
        .research-highlight {
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .program-card {
            background-color: var(--light-gray);
            padding: 2rem;
            border-radius: 10px;
            height: 100%;
            transition: all 0.3s;
        }
        .program-card:hover {
            background-color: white;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }