body {
            font-family: 'Inter', sans-serif;
            -webkit-tap-highlight-color: transparent;
        }
        .hero-bg {
            background-color: #111827; /* gray-900 */
            background-image: radial-gradient(#4b5563 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .main-content::-webkit-scrollbar {
            width: 0;
            height: 0;
        }
        .step.active .step-circle {
            background-color: #2563EB; /* blue-600 */
            color: white;
        }
        .step.completed .step-circle {
            background-color: #16A34A; /* green-600 */
            color: white;
        }
        .step-circle {
            background-color: #E5E7EB; /* gray-200 */
            color: #4B5563; /* gray-600 */
        }
        /* AI Chat Widget Styles */
        .chat-widget-container {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 1000;
        }
        .chat-window {
            width: 350px;
            height: 500px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease-in-out;
        }
        .chat-messages::-webkit-scrollbar {
            width: 4px;
        }
        .chat-messages::-webkit-scrollbar-thumb {
            background-color: #9CA3AF;
            border-radius: 20px;
        }