@keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.8s ease-out;
        }

        .animate-float {
            animation: float 3s ease-in-out infinite;
        }

        .glass {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .glass-purple {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
            backdrop-filter: blur(10px);
            border: 1px solid rgba(139, 92, 246, 0.2);
            box-shadow: 0 8px 32px rgba(139, 92, 246, 0.1);
        }

        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }

        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .bg-pattern {
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }

        .section-fade {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        .disabled-card {
            opacity: 0.6;
            cursor: not-allowed;
        }