.quiz-container { display: none; }
.quiz-container.active { display: block; }
.quiz-question { display: none; }
.quiz-question.active { display: block; }
.quiz-option { transition: all 0.3s ease; }
.quiz-option:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); }
.quiz-option.selected { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: white; }
.quiz-cta-btn { animation: pulse-cta 2s ease-in-out infinite; position: relative; }
.quiz-cta-btn:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5); }
.quiz-cta-btn:active { transform: scale(0.98); }
@keyframes pulse-cta {
  0%, 100% { box-shadow: 0 4px 18px rgba(37, 99, 235, 0.5); }
  50% { box-shadow: 0 6px 28px rgba(37, 99, 235, 0.8); }
}
.progress-bar { transition: width 0.5s ease; }