        .glow {
            box-shadow: 0 0 20px rgba(244, 114, 182, 0.4), 0 0 40px rgba(0, 194, 255, 0.3);
        }

        .card-glow {
            transition: box-shadow 0.3s ease-in-out, transform 0.3s ease-in-out;
        }

        .card-glow:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px -10px rgba(0, 194, 255, 0.2);
        }

        @keyframes mac-load {
            0% {
                opacity: 0;
                transform: scale(0.5);
            }

            60% {
                opacity: 1;
                transform: scale(1.05);
            }

            80% {
                transform: scale(0.95);
            }

            100% {
                transform: scale(1);
            }
        }

        .mac-load-effect {
            animation: mac-load 0.8s ease-out forwards;
        }

        @keyframes fade-up {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }

            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            opacity: 0;
            animation: fade-up 0.8s ease-out forwards;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }

        .delay-200 {
            animation-delay: 0.2s;
        }

        .delay-300 {
            animation-delay: 0.3s;
        }

        .profile-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .profile-hover:hover {
            transform: scale(1.05);
            box-shadow: 0 0 30px rgba(244, 114, 182, 0.6), 0 0 60px rgba(0, 194, 255, 0.4);
        }

        /* Timeline Styles */
        .timeline-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 2px;
            height: 100%;
            background: linear-gradient(to bottom, transparent, rgba(99, 102, 241, 0.5), transparent);
            transform: translateX(-50%);
            z-index: 0;
        }

        @media (max-width: 768px) {
            .timeline-container::before {
                left: 1rem;
            }
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 3.5rem;
            height: 3.5rem;
            background: linear-gradient(135deg, #6366f1, #a855f7);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
            z-index: 50;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(168, 85, 247, 0.5);
        }

        .back-to-top:hover .material-icons-outlined {
            animation: rocket-launch 0.5s ease-in-out infinite alternate;
        }

        @keyframes rocket-launch {
            0% {
                transform: translateY(0);
            }

            100% {
                transform: translateY(-3px);
            }
        }

        /* Chat Bubble Animation */
        .chat-bubble {
            position: absolute;
            top: 0;
            right: -80px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            color: #1e293b;
            padding: 8px 16px;
            border-radius: 20px;
            border-bottom-left-radius: 4px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            font-size: 0.875rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            opacity: 0;
            animation: chat-appear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
            animation-delay: 1.5s;
            z-index: 20;
            white-space: nowrap;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 640px) {
            .chat-bubble {
                right: -60px;
                top: -10px;
                font-size: 0.75rem;
                padding: 6px 12px;
            }
        }

        .dark .chat-bubble {
            background: rgba(30, 41, 59, 0.9);
            color: #f8fafc;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        @keyframes chat-appear {
            0% {
                opacity: 0;
                transform: scale(0.5) translate(-20px, 20px);
            }

            100% {
                opacity: 1;
                transform: scale(1) translate(0, 0);
            }
        }

        /* Error Page Animations */
        @keyframes float {
            0% {
                transform: translateY(0px);
            }

            50% {
                transform: translateY(-20px);
            }

            100% {
                transform: translateY(0px);
            }
        }

        .animate-float {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes pulse-glow {

            0%,
            100% {
                opacity: 1;
                filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
            }

            50% {
                opacity: 0.7;
                filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
            }
        }

        .animate-pulse-glow {
            animation: pulse-glow 3s ease-in-out infinite;
        }

        .error-hero {
            position: relative;
            z-index: 10;
        }

        .error-bg-circle {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            z-index: 0;
            opacity: 0.4;
        }