/* ===== GLOBAL STYLES & RESET ===== */
        body {
            background-color: #0a0a0a;
            color: #ffffff;
            font-family: 'Inter', sans-serif;
            overflow-x: hidden;
        }

        h1, h2, h3, h4 {
            font-family: 'Inter', sans-serif;
            letter-spacing: -0.04em;
        }

        /* ===== CUSTOM ANIMATIONS ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .reveal {
            opacity: 0;
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .reveal-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Hero Grid Pattern */
        .grid-bg {
            background-image: radial-gradient(rgba(74, 222, 128, 0.15) 1px, transparent 1px);
            background-size: 30px 30px;
        }

        /* Button Glows */
        .btn-glow {
            box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
            transition: box-shadow 0.3s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 0 30px rgba(74, 222, 128, 0.5);
        }

        /* Card Hover Effects */
        .glass-card {
            background: #111111;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            transition: all 0.3s ease;
        }
        .glass-card:hover {
            transform: translateY(-5px);
            border-color: rgba(74, 222, 128, 0.3);
            background: #141414;
        }

        /* Navbar Blur */
        .nav-scrolled {
            background: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* Chat UI Styles */
        .chat-bubble-user {
            background: #181818;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px 18px 2px 18px;
        }
        .chat-bubble-ai {
            background: #00b8d4;
            color: #000000;
            border-radius: 18px 18px 18px 2px;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: #0a0a0a; }
        ::-webkit-scrollbar-thumb { background: #181818; border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: #0099b2; }