/* Адаптивные стили для карточек курсов */
.course-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 20px !important;
  overflow: hidden;
  background: linear-gradient(145deg, #ffffff, #f8f9fa);
}

.course-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 25px 50px rgba(40, 167, 69, 0.15) !important;
}

.course-card .stretched-link::after {
  content: none;
}

.course-img {
  transition: transform 0.4s ease;
}

.course-card:hover .course-img {
  transform: scale(1.05);
}

.hover-scale {
  transition: all 0.2s ease;
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* Адаптивная сетка */
@media (max-width: 768px) {
  .course-card-wrapper {
    margin-bottom: 1.5rem;
  }
}

/* Список предметов */
.list-group-item {
  border: none;
  border-radius: 12px !important;
  margin: 0.25rem 1rem;
  transition: all 0.2s ease;
}

.list-group-item:hover {
  background-color: #d4edda !important;
  transform: translateX(8px);
}

.list-group-item.active {
  background-color: #28a745 !important;
  border-color: #28a745 !important;
  transform: translateX(4px);
}

/* Плейсхолдер для изображений */
.course-img-placeholder {
  background: linear-gradient(45deg, #28a745, #20c997);
}


.hero-jumbotron {
  position: relative;
  width: 100vw;
  height: 100vh; /* Use viewport height for responsiveness */
  margin-left: calc(-50vw + 50%);
  background: rgba(255, 255, 255, 0.8); /* Your background */
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* Image covers the block */
  opacity: 0.7;
  z-index: 1;
}

.hero-button {
  position: absolute;
  top: 30%; /* Adjust for more screen sizes */
  left: 50%;
  transform: translate(-50%, -50%); /* Center vertically */
  z-index: 2;
  background-color: var(--green);
  color: #d4edda;
  opacity: 0.8;
  text-transform: uppercase;
  font-weight: bold;
  padding: 1rem 2rem; /* Add padding for better touch targets */
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
  .hero-jumbotron {
    height: 60vh; /* Adjust height for smaller screens */
  }

  .hero-button {
    top: 40%; /* Adjust button position */
    padding: 0.8rem 1.6rem; /* Adjust padding */
  }
}

@media (max-width: 480px) {
  .hero-jumbotron {
    height: 70vh; /* Further adjust height for mobile */
  }

  .hero-button {
    top: 50%; /* Adjust button position further */
    font-size: 0.8rem; /* Smaller font size */
    padding: 0.5rem 1.2rem; /* Adjust padding */
  }
}