/* Base Variables & Structural Blueprint */
        :root {
            --forest-green: #1b4332;
            --leaf-green: #2d6a4f;
            --emerald: #52b788;
            --light-emerald: #d8f3dc;
            --light-bg: #f4f7f5;
            --card-bg: #ffffff;
            --text-dark: #2d3142;
            --text-light: #ffffff;
            --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--light-bg);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Global Header Navigation */
        .global-header {
            background-color: var(--forest-green);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            color: var(--text-light);
            font-size: 1.5rem;
            font-weight: bold;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-link {
            color: #e0e0e0;
            text-decoration: none;
            font-size: 1rem;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--emerald);
        }
        .nav-btn {
            background-color: var(--emerald);
            color: var(--forest-green);
            padding: 8px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .nav-btn:hover {
            background-color: #74c69d;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Initiative Header Banner */
        .initiative-hero {
            background-color: var(--forest-green);
            color: var(--text-light);
            padding: 60px 0;
            text-align: center;
            border-bottom: 4px solid var(--emerald);
        }
        .initiative-hero h1 {
            margin: 0;
            font-size: 2.5rem;
        }
        .initiative-hero p {
            margin: 10px 0 0 0;
            color: var(--light-emerald);
            font-size: 1.1rem;
        }

        /* Dashboard Gallery Control Section */
        .gallery-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 40px 0 20px 0;
            flex-wrap: wrap;
            gap: 15px;
        }
        .filter-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-btn {
            background-color: #e2e8f0;
            border: none;
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            color: var(--text-dark);
        }
        .filter-btn.active, .filter-btn:hover {
            background-color: var(--leaf-green);
            color: var(--text-light);
        }
        .gallery-stats {
            font-size: 0.95rem;
            color: #555;
            font-weight: 500;
        }

        /* Dashboard Gallery Card Grid Layout */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 30px;
            margin-bottom: 80px;
        }
        .tree-card {
            background-color: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid #eef2f0;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .tree-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        }
        .media-container {
            position: relative;
            width: 100%;
            height: 220px;
            background-color: #e5ece8;
        }
        .media-placeholder {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .status-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .badge-critical { background-color: #fde8e8; color: #9b1c1c; }
        .badge-threatened { background-color: #fef08a; color: #713f12; }
        .badge-stable { background-color: #dcfce7; color: #166534; }

        .card-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .tree-names {
            margin-bottom: 12px;
        }
        .common-name {
            font-size: 1.3rem;
            color: var(--forest-green);
            margin: 0;
            font-weight: 700;
        }
        .botanical-name {
            font-size: 0.9rem;
            color: var(--emerald);
            font-style: italic;
            margin: 2px 0 0 0;
        }
        .tree-description {
            font-size: 0.9rem;
            color: #4a5568;
            margin: 0 0 20px 0;
            flex-grow: 1;
        }
        .metric-footer {
            border-top: 1px solid #edf2f7;
            padding-top: 15px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            font-size: 0.8rem;
        }
        .metric-item {
            display: flex;
            flex-direction: column;
        }
        .metric-label {
            color: #718096;
            text-transform: uppercase;
            font-size: 0.7rem;
            letter-spacing: 0.5px;
            margin-bottom: 2px;
        }
        .metric-value {
            font-weight: 600;
            color: var(--text-dark);
        }

        /* Global Footer Architecture */
        .global-footer {
            background-color: #112a1f;
            color: #e0e0e0;
            padding: 60px 0 20px 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-brand h3, .footer-links h4, .footer-contact h4 {
            color: var(--text-light);
            margin-top: 0;
            margin-bottom: 20px;
        }
        .footer-links a {
            display: block;
            color: #b0b0b0;
            text-decoration: none;
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--emerald);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--forest-green);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 0.9rem;
            color: #808080;
        }

        /* Responsive UI Breakpoints */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--forest-green);
                padding: 20px;
                box-sizing: border-box;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .gallery-controls {
                flex-direction: column;
                align-items: flex-start;
            }
        }