:root {
            --cdri-blue: #0a3d62;
            --cdri-green: #26a69a;
            --cdri-light: #f8f9fa;
            --cdri-dark: #222f3e;
            --cdri-gold: #fdcb6e;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--cdri-blue) !important;
        }
        .navbar-nav .nav-link {
            color: var(--cdri-dark) !important;
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s ease;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--cdri-green) !important;
            background-color: rgba(10, 61, 98, 0.05);
            border-radius: 5px;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(38, 166, 154, 0.8)), url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            color: white;
            padding: 120px 0;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .section-title {
            color: var(--cdri-blue);
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--cdri-green);
            border-radius: 2px;
        }
        .card {
            border: none;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.12);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: rgba(38, 166, 154, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--cdri-green);
            font-size: 28px;
        }
        .btn-cdri {
            background-color: var(--cdri-green);
            color: white;
            padding: 12px 30px;
            border-radius: 5px;
            border: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-cdri:hover {
            background-color: var(--cdri-blue);
            color: white;
            transform: translateY(-3px);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background-color: var(--cdri-light);
            color: var(--cdri-dark);
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background-color: var(--cdri-green);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--cdri-dark);
            color: #ccc;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: var(--cdri-gold);
        }
        .breadcrumb {
            background-color: rgba(10, 61, 98, 0.05);
            border-radius: 0;
        }
        .research-card {
            border-left: 5px solid var(--cdri-green);
        }
        .timeline-item {
            border-left: 3px solid var(--cdri-blue);
            padding-left: 30px;
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--cdri-blue);
        }
        .team-img {
            border-radius: 50%;
            width: 150px;
            height: 150px;
            object-fit: cover;
            border: 5px solid var(--cdri-light);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .contact-info-box {
            background: var(--cdri-light);
            padding: 25px;
            border-radius: 10px;
            height: 100%;
            border-top: 4px solid var(--cdri-green);
        }
        .publication-list li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--cdri-blue);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--cdri-dark);
            font-weight: 500;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(38, 166, 154, 0.1);
            color: var(--cdri-blue);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(38, 166, 154, 0.25);
        }
        .map-container {
            height: 300px;
            border-radius: 10px;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                min-height: 70vh;
                text-align: center;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }