.navbar-glass {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Base nav style */
        .nav-link {
            position: relative;
            font-weight: 500;
            color: #374151;
            /* Tailwind gray-700 */
            padding: 0.5rem 0;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: #FACC15;
            /* Tailwind yellow-400 */
        }

        /* Underline hover effect */
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: #FACC15;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        /* Active link styling */
        .nav-link.active {
            color: #FACC15;
        }

        .nav-link.active::after {
            width: 100%;
        }


   .whatsapp-float {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            }

            50% {
                box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7);
            }

            100% {
                box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            }
        }