/* General Styling */
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f5f7fa;
            color: #333;
        }

        /* Navbar */
        .navbar {
            background-color: #4558ab;
            padding: 15px 0;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.6rem;
            color: #f8f9fa;
        }
        .nav-link {
            color: #f8f9fa !important;
            transition: color 0.3s ease-in-out;
        }
        .nav-link:hover {
            color: #007BFF !important;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #1A237E, #9ec3ff);
            color: white;
            text-align: center;
            padding: 100px 20px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: bold;
        }
        .search-bar {
            max-width: 600px;
            margin: 30px auto;
        }
        .search-bar input {
            border-radius: 25px;
            padding: 12px 20px;
            font-size: 1.1rem;
        }

        /* Featured Courses */
        .course-card {
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease-in-out;
        }
        .course-card:hover {
            transform: scale(1.05);
        }
        .course-card img {
            height: 180px;
            object-fit: cover;
        }

        /* Testimonials */
        .testimonial-card {
            border-left: 5px solid #007BFF;
            background: white;
            padding: 20px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
        }

        /* Footer */
        .footer {
            background-color: #2C3E50;
            color: white;
            padding: 20px 0;
        }
        .footer a {
            color: #f8f9fa;
            text-decoration: none;
            font-weight: 500;
        }
        .footer a:hover {
            text-decoration: underline;
            color: #007BFF;
        }