      * { box-sizing: border-box; }
        body {
            font-family: 'Inter', sans-serif;
            margin: 0;
            background: #ffffff;
            color: #0f172a;
        }
        h1, h2, h3, h4, h5, h6 { font-family: 'Plus Jakarta Sans', sans-serif; }
        html { scroll-behavior: smooth; }
        ::selection { background: rgba(79, 70, 229, 0.2); color: #4f46e5; }
        
        .text-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .bg-grid {
            background-image: linear-gradient(to right, rgba(128, 128, 128, 0.04) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(128, 128, 128, 0.04) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        
        .glass {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        
        .card-shadow { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03); }
        .card-shadow-hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02); }
        
        /* Animations */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes scaleIn {
            from { opacity: 0; transform: scale(0.95); }
            to { opacity: 1; transform: scale(1); }
        }
        
        .animate-fadeInUp { animation: fadeInUp 0.5s ease-out forwards; }
        .animate-fadeIn { animation: fadeIn 0.5s ease-out forwards; }
        .animate-scaleIn { animation: scaleIn 0.5s ease-out forwards; }
        
        .delay-100 { animation-delay: 0.1s; }
        .delay-200 { animation-delay: 0.2s; }
        .delay-300 { animation-delay: 0.3s; }
        .delay-400 { animation-delay: 0.4s; }
        .delay-500 { animation-delay: 0.5s; }
        
        /* Segment content transitions */
        .segment-content { opacity: 0; }
        .segment-content.active { animation: fadeInUp 0.4s ease-out forwards; }
        
        /* Hover effects */
        .hover-lift { transition: transform 0.2s ease, box-shadow 0.2s ease; }
        .hover-lift:hover { transform: translateY(-8px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05); }
        
        /* Nav pill animation */
        .nav-pill {
            position: absolute;
            inset: 0;
            background: white;
            border-radius: 9999px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        /* Button hover */
        .btn-primary {
            transition: background-color 0.2s ease, box-shadow 0.2s ease;
        }
        .btn-primary:hover {
            background-color: #4338ca;
            box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
        }
        
        /* Mobile menu */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .mobile-menu.open {
            max-height: 400px;
        }

        /* Login Form Styles */
        .login-form-container {
            background: white;
            border: 2px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
            max-width: 400px;
            width: 100%;
        }

        .login-form-container input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            margin-bottom: 1rem;
            font-size: 0.95rem;
            transition: border-color 0.2s ease;
        }

        .login-form-container input:focus {
            outline: none;
            border-color: #4f46e5;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .login-form-container button {
            width: 100%;
            padding: 0.75rem 1rem;
            background: #4f46e5;
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }

        .login-form-container button:hover {
            background: #4338ca;
        }
