:root {
            --iip-blue: #0a3d62;
            --iip-light-blue: #1e90ff;
            --iip-gold: #daa520;
            --iip-light-gray: #f8f9fa;
            --iip-dark-gray: #343a40;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--iip-blue);
        }
        .navbar {
            background-color: rgba(10, 61, 98, 0.95) !important;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 600;
            color: #fff !important;
            margin: 0 8px;
            transition: color 0.3s;
            position: relative;
        }
        .nav-link:hover {
            color: var(--iip-gold) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            background-color: var(--iip-gold);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(10, 61, 98, 0.75)), url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 180px 0 120px;
            margin-top: 76px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .bg-light-custom {
            background-color: var(--iip-light-gray);
        }
        .icon-box {
            background: white;
            padding: 30px;
            border-radius: 10px;
            height: 100%;
            transition: all 0.4s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-left: 4px solid var(--iip-light-blue);
        }
        .icon-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(30, 144, 255, 0.15);
        }
        .icon-box i {
            font-size: 2.5rem;
            color: var(--iip-light-blue);
            margin-bottom: 20px;
        }
        .btn-iip-primary {
            background-color: var(--iip-blue);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid var(--iip-blue);
            transition: all 0.3s;
        }
        .btn-iip-primary:hover {
            background-color: transparent;
            color: var(--iip-blue);
            border-color: var(--iip-blue);
        }
        .btn-iip-secondary {
            background-color: transparent;
            color: var(--iip-blue);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid var(--iip-blue);
            transition: all 0.3s;
        }
        .btn-iip-secondary:hover {
            background-color: var(--iip-blue);
            color: white;
        }
        .card-custom {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .footer {
            background-color: var(--iip-blue);
            color: #ddd;
            padding-top: 60px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--iip-gold);
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: var(--iip-gold);
        }
        .friend-links-section {
            background-color: #f1f1f1;
            padding: 40px 0;
            border-top: 1px solid #ddd;
        }
        .flink {
            display: inline-block;
            margin: 8px 15px;
            color: var(--iip-blue);
            font-weight: 500;
            padding: 8px 16px;
            background: white;
            border-radius: 6px;
            transition: all 0.3s;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
        }
        .flink:hover {
            transform: scale(1.05);
            color: var(--iip-light-blue);
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .copyright {
            background-color: #052640;
            color: #aaa;
            padding: 20px 0;
            font-size: 0.9rem;
        }
        .research-area-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--iip-light-blue), #0a3d62);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--iip-blue);
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: var(--iip-dark-gray);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 10px;
        }
        .contact-info-box {
            background: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
            transition: transform 0.3s;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
        }
        .contact-info-box i {
            font-size: 2.5rem;
            color: var(--iip-light-blue);
            margin-bottom: 15px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
                margin-top: 66px;
            }
            .section-padding {
                padding: 60px 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }