/* KN Single Course - FAQ Section */

/* FAQ Section */
.kn-sc-faq {
  padding: var(--spacing-2xl) 0;
  background: var(--white);
}

.kn-sc-faq-content {
  margin: 0 auto;
}

.kn-sc-faq-title {
  color: var(--primary-light);
  font-size: var(--font-size-3xl);
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  text-align: center;
  font-family: var(--font-primary);
}

.kn-sc-faq-subtitle {
  color: var(--text-color-light);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-family: var(--font-primary);
  margin-top: 0;
}

.kn-sc-faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.kn-sc-faq-item {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.kn-sc-faq-question {
  background: linear-gradient(
    180deg,
    var(--primary-color) 0%,
    var(--primary-light) 100%
  );
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-xl);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-base);
  font-weight: 500;
  font-family: var(--font-primary);
  transition: var(--transition-normal);
  border: none;
  width: 100%;
  text-align: left;
  line-height: var(--line-height-normal);
}

.kn-sc-faq-question:hover {
  background: #006699;
}

.kn-sc-faq-question:focus {
  outline: 2px solid var(--white);
  outline-offset: -2px;
}

.kn-sc-faq-icon {
  font-size: calc(var(--font-size-lg) + 0.125rem);
  font-weight: 300;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: var(--spacing-md);
  line-height: 1;
}

.kn-sc-faq-answer {
  background: var(--bg-secondary);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.kn-sc-faq-item.kn-sc-faq-active .kn-sc-faq-answer {
  max-height: 500px;
  padding: var(--spacing-md);
}

.kn-sc-faq-answer-content {
  font-size: var(--font-size-base);
  color: var(--text-color);
  line-height: var(--line-height-relaxed);
  font-family: var(--font-primary);
}

.kn-sc-faq-answer-content p {
  margin-bottom: var(--spacing-sm);
}

.kn-sc-faq-answer-content p:last-child {
  margin-bottom: 0;
}

.kn-sc-faq-answer-content ul,
.kn-sc-faq-answer-content ol {
  margin: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
}

.kn-sc-faq-answer-content li {
  margin-bottom: calc(var(--spacing-xs) / 2);
  color: var(--text-color-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .kn-sc-faq {
    padding: var(--spacing-xl) 0;
  }

  .kn-sc-faq-title {
    font-size: 2rem;
  }

  .kn-sc-faq-question {
    padding: calc(var(--spacing-md) + var(--spacing-xs)) var(--spacing-lg);
  }

  .kn-sc-faq-item.kn-sc-faq-active .kn-sc-faq-answer {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .kn-sc-faq {
    padding: calc(var(--spacing-lg) + var(--spacing-xs)) 0;
  }

  .kn-sc-faq-title {
    font-size: 1.75rem;
  }

  .kn-sc-faq-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  .kn-sc-faq-question {
    padding: var(--spacing-md) calc(var(--spacing-md) + var(--spacing-xs));
    font-size: var(--font-size-sm);
  }

  .kn-sc-faq-icon {
    font-size: var(--font-size-md);
    margin-left: calc(var(--spacing-xs) + 2px);
  }

  .kn-sc-faq-item.kn-sc-faq-active .kn-sc-faq-answer {
    padding: calc(var(--spacing-md) + var(--spacing-xs));
  }

  .kn-sc-faq-answer-content {
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .kn-sc-faq {
    padding: var(--spacing-lg) 0;
  }

  .kn-sc-faq-title {
    font-size: 1.5rem;
  }

  .kn-sc-faq-question {
    padding: calc(var(--spacing-sm) + 2px) var(--spacing-md);
    font-size: calc(var(--font-size-sm) - 1px);
  }

  .kn-sc-faq-icon {
    margin-left: var(--spacing-xs);
  }

  .kn-sc-faq-item.kn-sc-faq-active .kn-sc-faq-answer {
    padding: var(--spacing-md);
  }

  .kn-sc-faq-answer-content {
    font-size: calc(var(--font-size-sm) - 1px);
  }
}

/* Animation Effects */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInScale {
  from {
    opacity: 0;
    transform: scale(0.98) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.kn-sc-faq-title {
  animation: fadeInUp 0.8s ease-out;
}

.kn-sc-faq-subtitle {
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.kn-sc-faq-item {
  animation: slideInScale 0.8s ease-out;
}

.kn-sc-faq-item:nth-child(1) {
  animation-delay: 0.1s;
}
.kn-sc-faq-item:nth-child(2) {
  animation-delay: 0.2s;
}
.kn-sc-faq-item:nth-child(3) {
  animation-delay: 0.3s;
}
.kn-sc-faq-item:nth-child(4) {
  animation-delay: 0.4s;
}
.kn-sc-faq-item:nth-child(5) {
  animation-delay: 0.5s;
}
.kn-sc-faq-item:nth-child(6) {
  animation-delay: 0.6s;
}

/* Accessibility Improvements */
.kn-sc-faq-question:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .kn-sc-faq-title,
  .kn-sc-faq-subtitle,
  .kn-sc-faq-item {
    animation: none;
  }

  .kn-sc-faq-answer,
  .kn-sc-faq-icon {
    transition: none;
  }
}

/* Print Styles */
@media print {
  .kn-sc-faq-item.kn-sc-faq-active .kn-sc-faq-answer {
    max-height: none !important;
    padding: var(--spacing-md) !important;
  }

  .kn-sc-faq-answer {
    max-height: none !important;
    padding: var(--spacing-md) !important;
  }

  .kn-sc-faq-icon {
    display: none;
  }
}