.navbar {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .navbar-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 5%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .navbar-logo {
            display: flex;
            align-items: center;
        }
        
        .logo-img {
            width: 40px;
            height: 40px;
            margin-right: 10px;
            border-radius: 5px;
        }
        
        .nav-brand {
            font-size: 1.5rem;
            font-weight: 600;
            color: #0d6efd;
            text-decoration: none;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
        }
        
        .nav-item {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-link {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-link:hover {
            color: #0d6efd;
        }
        
        .user-dropdown {
            position: relative;
            cursor: pointer;
        }
        
        .user-icon {
            width: 40px;
            height: 40px;
            background: #f0f0f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .dropdown-content {
            position: absolute;
            top: 100%;
            right: 0;
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border-radius: 5px;
            min-width: 150px;
            display: none;
            z-index: 101;
        }
        
        .user-dropdown:hover .dropdown-content {
            display: block;
        }
        
        .dropdown-item {
            display: block;
            padding: 10px 15px;
            color: #333;
            text-decoration: none;
            transition: background 0.3s;
        }
        
        .dropdown-item:hover {
            background: #f5f5f5;
        }
        
        .dropdown-divider {
            height: 1px;
            background: #eee;
            margin: 5px 0;
        }
        
        /* Hamburger Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        
        .bar {
            width: 25px;
            height: 3px;
            background: #333;
            margin: 3px 0;
            transition: 0.3s;
        }
            
        @media (max-width: 992px) {
            .hamburger {
                display: flex;
                z-index: 101;
            }

            .hamburger.active .bar:nth-child(2) { 
                opacity: 0; 
            }
            
            .hamburger.active .bar:nth-child(1) { 
                transform: translateY(8px) rotate(45deg); 
            }
            
            .hamburger.active .bar:nth-child(3) { 
                transform: translateY(-8px) rotate(-45deg); 
            }

            .nav-menu {
                position: fixed;
                left: -100%;
                top: 0;
                height: 100vh;
                padding: 100px 30px 50px;
                gap: 30px;
                flex-direction: column;
                align-items: center;
                width: 70%;
                max-width: 300px;
                transition: left 0.4s ease-in-out;
                background: rgba(255, 255, 255, 0.9);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-right: 1px solid rgba(255, 255, 255, 0.2);
                box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
                z-index: 100;
            }

            .nav-item {
                width: 100%;
                text-align: center;
                margin-left: 0;
            }

            .nav-link {
                font-size: 1.2rem;
                display: block;
                padding: 10px 0;
            }

            .nav-menu.active {
                left: 0;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .module-content {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-container {
                padding: 15px 20px;
            }
            
            .nav-brand {
                font-size: 1.5rem;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .module-header {
                flex-direction: column;
                text-align: center;
            }
            
            .module-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
        }