:root {
            --bu-primary: #003366;
            --bu-secondary: #CC9933;
            --bu-accent: #006699;
            --bu-light: #f8f9fa;
            --bu-dark: #212529;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--bu-dark);
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--bu-primary);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .navbar {
            background-color: var(--bu-primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 1rem 0;
            transition: all 0.3s;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: white !important;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: all 0.3s;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--bu-secondary) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 51, 102, 0.85), rgba(0, 51, 102, 0.9)), url('https://images.unsplash.com/photo-1562774053-701939374585?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-padding {
            padding: 6rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--bu-secondary);
        }
        .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) !important;
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .btn-bu {
            background-color: var(--bu-primary);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            border: 2px solid var(--bu-primary);
        }
        .btn-bu:hover {
            background-color: transparent;
            color: var(--bu-primary);
            transform: translateY(-3px);
        }
        .btn-bu-outline {
            background-color: transparent;
            color: var(--bu-primary);
            border: 2px solid var(--bu-primary);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-bu-outline:hover {
            background-color: var(--bu-primary);
            color: white;
            transform: translateY(-3px);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(0, 102, 153, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--bu-accent);
            font-size: 1.8rem;
        }
        .stats-box {
            background-color: var(--bu-light);
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s;
            height: 100%;
        }
        .stats-box:hover {
            background-color: var(--bu-primary);
            color: white;
            transform: translateY(-5px);
        }
        .stats-box:hover h3, .stats-box:hover p {
            color: white;
        }
        .stats-box h3 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--bu-primary);
            margin-bottom: 0.5rem;
        }
        footer {
            background-color: var(--bu-dark);
            color: rgba(255,255,255,0.8);
            padding-top: 4rem;
        }
        footer h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.3s;
        }
        footer a:hover {
            color: var(--bu-secondary);
            padding-left: 5px;
        }
        .flink {
            background-color: rgba(255,255,255,0.05);
            border-radius: 8px;
            padding: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            height: 100%;
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            font-weight: 500;
        }
        .flink:hover {
            background-color: rgba(255,255,255,0.1);
            color: white;
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
            font-size: 0.9rem;
        }
        .academic-department {
            border-left: 4px solid var(--bu-secondary);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
        }
        .news-item {
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 7px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--bu-secondary);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -2.35rem;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--bu-primary);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--bu-secondary);
        }
        .contact-info-box {
            background-color: var(--bu-light);
            border-radius: 10px;
            padding: 2rem;
            height: 100%;
            text-align: center;
            transition: all 0.3s;
        }
        .contact-info-box:hover {
            background-color: var(--bu-primary);
            color: white;
        }
        .contact-info-box:hover h5, .contact-info-box:hover i, .contact-info-box:hover a {
            color: white;
        }
        .contact-info-box i {
            font-size: 2rem;
            color: var(--bu-primary);
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0 4rem;
            }
            .section-padding {
                padding: 4rem 0;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }