/* Custom Scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: #f1f5f9; }
        ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

        /* Page Transitions */
        .page-section { display: none; animation: fadeIn 0.5s ease-out; }
        .page-section.active { display: block; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

        /* Modal Transitions */
        .modal-enter { opacity: 0; transform: scale(0.95); }
        .modal-enter-active { opacity: 1; transform: scale(1); transition: opacity 300ms, transform 300ms; }
        .modal-exit { opacity: 1; transform: scale(1); }
        .modal-exit-active { opacity: 0; transform: scale(0.95); transition: opacity 300ms, transform 300ms; }

        /* Typewriter Cursor */
        .cursor-blink {
            display: inline-block;
            width: 3px;
            height: 1em;
            background-color: #00C3B3;
            margin-left: 5px;
            animation: blink 1s infinite;
            vertical-align: middle;
        }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }