/* CSS bổ sung chỉ cho trang MOOCs */
.hero-section {
  background: linear-gradient(rgba(230, 240, 250, 0.7), rgba(230, 240, 250, 0.7)), 
                url('/theme/taynguyen/pix/study.jpg') center/cover no-repeat;
  background-size: cover;
  background-position: center;
  /* color: var(--primary-color); */
  text-align: center;
  padding: 80px 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  backdrop-filter: blur(2px);
  padding: 40px;
  border-radius: 10px;
}

.hero-title {
  font-size: 50px;
  line-height: 1.1;
  color: #0F63AC;

}

.hero-subtitle {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.4;
  max-width: 90%;
  color: #0F63AC;

}

@media (max-width: 992px) {
  .hero-title {
    font-size: 48px;
  }
  .hero-subtitle {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 36px;
  }
  .hero-subtitle {
    font-size: 18px;
  }
  .hero-section {
    padding: 40px 0;
  }
}



.courses-section {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.section-title {
  color: var(--primary-color);
  font-size: 50px;
  text-align: center;
  margin-bottom: 60px;
  color: #0F63AC;
}

.courses-grid {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  
}

.course-card {
  width: 300px;
  background-color: var(--text-light);
  border-radius: 8px;
  box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 4px 16px 0px rgba(0, 0, 0, 0.15);
}

.card-banner {
  height: 15px;
  background: linear-gradient(162deg, #0f63ac 0%, #084194 210.82%);
}

.card-image {
  width: 100%;
  height: 142px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

.card-content {
  padding: 16px;
  flex-grow: 1;
}

.course-title {
  color: var(--text-dark);
  font-family: 'Inter', sans-serif;
  font-size: 15.8px;
  font-weight: 700;
  margin-bottom: 12px;
}

.course-instructor {
  color: var(--text-gray);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
}

@media (max-width: 992px) {
  .section-title {
    font-size: 48px;
  }
  .courses-grid {
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 36px;
  }
  .courses-section {
    padding: 40px 0;
  }
}



.categories-section {
  padding: 80px 0;
}

.section-title-dark {
  color: #000000;
  font-size: 35px;
  text-align: left;
  margin-bottom: 40px;
  margin-left: 55px;
}

.categories-grid {
  display: flex;
  justify-content: center;
  gap: 46px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  padding: 50px;
}

.category-card {
  flex: 1;
  max-width: 450px;
  padding: 20px;
  border: 2px solid #b5b5b5;
  border-radius: 15px;
}

.category-title {
  font-size: 26px;
  margin-bottom: 20px;
  text-align: left;
}

.category-items {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border: 2px solid #b5b5b5;
  border-radius: 10px;
}

.item-icon {
  width: 115px;
  height: 121px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.item-text h4 {
  font-size: 20px;
  margin-bottom: 10px;
}

.item-text p {
  font-size: 18px;
  color: #555;
}

.more-btn-wrapper {
  text-align: center;
}

.btn-more {
  display: inline-block;
  background-color: #0F63AC;
  color: #FFFFFF;
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  font-size: 30px;
  padding: 18px 48px;
  border-radius: 15px;
  transition: background-color 0.3s;
}

.btn-more:hover {
  background-color: var(--primary-dark);
}

@media (max-width: 1600px) {
  .categories-grid {
    flex-direction: row;
    align-items: center;
  }
}

@media (max-width: 576px) {
  .section-title-dark {
    font-size: 32px;
    text-align: center;
  }
  .category-title {
    font-size: 22px;
    text-align: center;
  }
  .category-item {
    flex-direction: column;
    text-align: center;
  }
  .categories-section {
    padding: 40px 0;
  }
}