/* Course Banner Styles */
.course-banner {
  min-height: 340px;
  position: relative;
  overflow: hidden;
}
.course-banner-bg {
  object-fit: cover;
  width: 100vw;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}
.course-banner-overlay {
  background: rgba(24, 49, 63, 0.65);
  z-index: 2;
}
.course-banner .container {
  z-index: 3;
  position: relative;
}
.course-label {
  font-size: 1.1rem;
  font-weight: 600;
  background: #fff;
  color: #222;
  border-radius: 32px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  display: inline-block;
}

/* Course Features Box (Right) */
.course-features-box {
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  overflow: hidden;
  background: #fff;
}
.course-features-header {
  background: #156481;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 18px 18px 0 0;
}
.course-features-box .list-group-item {
  border: none;
  font-size: 1.05rem;
  background: #fff;
  padding: 0.85rem 1.2rem;
}
.text-orange {
  color: #ff7043 !important;
}
.btn-orange {
  background: #ff7043;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.2s, color 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.btn-orange:hover {
  background: #125875;
  color: #fff;
}
.icon-btn {
  background: #fff;
  color: #156481;
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-left: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: background 0.2s, color 0.2s;
}
.icon-btn:hover {
  background: #ff7043;
  color: #fff;
}

/* What Learn Box (Left) */
.what-learn-box {
  border: 2px solid #eaf3fb;
  background: #fff;
  border-radius: 18px;
  margin-top: 2rem;
}
.learn-check-icon {
  color: #ff7043;
  background: #fff6ee;
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-top: 2px;
  margin-right: 8px;
}

/* About Instructor Section */
.about-instructor-section {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  padding: 2rem 2rem 1.5rem 2rem;
  margin-bottom: 2rem;
}
.instructor-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.instructor-subtitle {
  font-size: 1rem;
  color: #888;
}
.instructor-desc {
  font-size: 1.05rem;
  color: #444;
  max-width: 700px;
}

/* Student Feedback Section */
.student-feedback-section {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  padding: 2rem 2rem 1.5rem 2rem;
  margin-bottom: 2rem;
}
.feedback-rating {
  font-size: 2.8rem;
  color: #222;
}
.feedback-rating-label {
  font-size: 1.1rem;
  color: #888;
}
.feedback-progress {
  height: 16px;
  background: #f5f5f5;
  border-radius: 8px;
}
.feedback-percent {
  font-size: 1rem;
  min-width: 32px;
  color: #888;
}

/* Reviews Section */
.reviews-section {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  padding: 2rem 2rem 1.5rem 2rem;
}
.review-label {
  font-size: 1.08rem;
  color: #444;
  min-width: 70px;
  font-weight: 500;
}
.review-stars i {
  font-size: 1.3rem;
  color: #e0e0e0;
  margin-right: 2px;
}
.review-stars i.text-muted {
  color: #b0b0b0;
}

/* Interactive Star Rating */
.star-rating {
  display: inline-flex;
  gap: 4px;
  cursor: pointer;
}

.star-item {
  color: #e0e0e0;
  font-size: 1.3rem;
  transition: color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  position: relative;
  margin-right: 2px;
  transform-origin: center;
}

.star-item:hover {
  transform: scale(1.15);
  color: #ffc107;
}

.star-item.star-hover {
  color: #ffc107;
  transform: scale(1.15);
}

.star-item.star-selected {
  color: #ffc107;
  transform: scale(1.05);
}

.star-item.star-filled {
  color: #ffc107;
}

/* Star Rating Animation */
@keyframes starPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
  100% {
    transform: scale(1.1);
  }
}

.star-item.star-clicked {
  animation: starPulse 0.4s ease;
}


/* Rating Display */
.rating-display {
  margin-left: 10px;
  font-weight: 600;
  color: #ffc107;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.rating-display.show {
  opacity: 1;
}
.review-textarea {
  border-radius: 8px;
  min-height: 80px;
  font-size: 1.05rem;
  resize: vertical;
}
.review-submit-btn {
  background: #ffc107;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.2s, color 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.review-submit-btn:hover {
  background: #125875;
  color: #fff;
}

@media (max-width: 992px) {
  .course-detail-section .col-lg-8,
  .course-detail-section .col-lg-4 {
    max-width: 100%;
    flex: 0 0 100%;
  }
  .what-learn-box {
    margin-top: 1.5rem;
  }
  .about-instructor-section,
  .student-feedback-section,
  .reviews-section {
    padding: 1.2rem 0.7rem;
  }
}
@media (max-width: 768px) {
  .course-banner {
    min-height: 220px;
  }
  .course-label {
    font-size: 1rem;
    padding: 0.5rem 1.2rem;
  }
  .what-learn-box {
    padding: 1.2rem 0.7rem;
  }
}