:root {
            --primary-green: #2a6e3f;
            --secondary-green: #4c956c;
            --light-green: #e9f5eb;
            --accent-gold: #d4af37;
            --dark-text: #212529;
            --light-text: #6c757d;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-green) !important;
            font-size: 1.5rem;
        }
        .hero-section {
            background: linear-gradient(rgba(42, 110, 63, 0.85), rgba(42, 110, 63, 0.9)), url('https://images.unsplash.com/photo-1417733403748-83bbc7c05140?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0 6rem;
            margin-top: 76px;
        }
        .section-title {
            color: var(--primary-green);
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2.5rem;
            font-weight: 600;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-gold);
        }
        .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;
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .btn-primary {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
            padding: 0.6rem 2rem;
            border-radius: 30px;
            font-weight: 500;
        }
        .btn-primary:hover {
            background-color: #1e5630;
            border-color: #1e5630;
        }
        .btn-outline-primary {
            color: var(--primary-green);
            border-color: var(--primary-green);
            border-radius: 30px;
            padding: 0.6rem 2rem;
            font-weight: 500;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-green);
            border-color: var(--primary-green);
        }
        .bg-light-green {
            background-color: var(--light-green);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--primary-green);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
        }
        .research-highlight {
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.5rem;
        }
        .friendlink-container {
            background-color: #f8f9fa;
            border-radius: 10px;
            padding: 2rem;
        }
        friendlink {
            display: block;
            margin-bottom: 2rem;
        }
        .flink {
            display: inline-flex;
            align-items: center;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            background: white;
            border-radius: 8px;
            color: var(--dark-text);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary-green);
            color: white;
            border-color: var(--primary-green);
            transform: scale(1.05);
        }
        .flink i {
            margin-right: 10px;
            font-size: 1.2rem;
        }
        footer {
            background-color: #1a3c27;
            color: #ccc;
        }
        footer a {
            color: #b0d8b9;
            text-decoration: none;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid #2a4d3a;
            padding-top: 1.5rem;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-green);
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--light-text);
        }
        .sticky-top {
            top: 20px;
        }
        .img-thumbnail {
            border-radius: 10px;
            border: 1px solid #dee2e6;
            overflow: hidden;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--light-green);
            color: var(--primary-green);
            font-weight: 600;
        }
        .news-card {
            border-top: 4px solid var(--primary-green);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
                margin-top: 66px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }