body {
            font-family: 'Poppins', sans-serif;
        }
        .gradient-bg {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        .gradient-text {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .card-shadow {
            box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            transition: transform 0.3s ease;
        }
        
        .pulse-soft {
            animation: pulseSoft 2s infinite;
        }
        @keyframes pulseSoft {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .guide-step {
            transition: all 0.3s ease;
        }
        .guide-step:hover {
            transform: translateX(10px);
        }
        .tax-band {
            transition: all 0.3s ease;
        }
        .tax-band.active {
            transform: scale(1.05);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }
        .hidden {
            display: none;
        }