.blog-list {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--header-offset, 120px);
  background-color: #f0f2f5;
}

.blog-list__section {
  padding: 20px 0;
}

.blog-list__title {
  font-size: 28px;
  color: #0056b3;
  text-align: center;
  margin-bottom: 10px;
  font-weight: bold;
}

.blog-list__description {
  font-size: 16px;
  color: #555;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.blog-list__timeline-container {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
  position: relative;
  padding-left: 20px;
}

.blog-list__timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  width: 2px;
  height: 100%;
  background-color: #ccc;
  z-index: 0;
}

.blog-list__item {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  margin-left: 30px;
}

.blog-list__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.blog-list__item::before {
  content: '';
  position: absolute;
  top: 25px;
  left: -15px;
  width: 12px;
  height: 12px;
  background-color: #007bff;
  border-radius: 50%;
  border: 3px solid #f0f2f5;
  z-index: 1;
}

.blog-list__item-content {
  padding: 20px;
}

.blog-list__item-date {
  display: block;
  font-size: 13px;
  color: #999;
  margin-bottom: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.blog-list__item-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-list__item-image {
  width: 100%;
  padding-bottom: 56.25%;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  margin-bottom: 15px;
  background-color: #e0e0e0;
}

.blog-list__item-title {
  font-size: 20px;
  font-weight: bold;
  color: #0056b3;
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

.blog-list__item-link:hover .blog-list__item-title {
  color: #003d82;
}

.blog-list__item-summary {
  font-size: 15px;
  color: #666;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.blog-list__item-read-more {
  display: inline-block;
  background-color: #007bff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 14px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.blog-list__item-read-more:hover {
  background-color: #0056b3;
}

@media (min-width: 768px) {
  .blog-list__timeline-container {
    grid-template-columns: 1fr 1fr;
    padding-left: 0;
  }

  .blog-list__timeline-container::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .blog-list__item {
    margin-left: 0;
    margin-right: 0;
    padding: 20px;
    box-sizing: border-box;
  }

  .blog-list__item:nth-child(odd) {
    grid-column: 1 / 2;
    text-align: right;
    padding-right: 45px;
  }
  .blog-list__item:nth-child(even) {
    grid-column: 2 / 3;
    text-align: left;
    padding-left: 45px;
  }

  .blog-list__item::before {
    top: 25px;
    border-color: #f0f2f5;
  }
  .blog-list__item:nth-child(odd)::before {
    left: auto;
    right: -25px;
  }
  .blog-list__item:nth-child(even)::before {
    left: -25px;
  }

  .blog-list__item-content {
    padding: 0;
  }
  .blog-list__item-date {
    text-align: inherit;
  }
  .blog-list__item-link {
    text-align: inherit;
  }
  .blog-list__item-summary {
    text-align: inherit;
  }
  .blog-list__item-read-more {
    float: none;
  }
}

@media (min-width: 1024px) {
  .blog-list__timeline-container {
    grid-template-columns: 1fr 1fr 1fr;
    padding-left: 0;
  }
  .blog-list__timeline-container::before {
    content: none;
  }
  .blog-list__item {
    margin: 0;
    padding: 20px;
    text-align: left;
  }
  .blog-list__item::before {
    content: none;
  }
  .blog-list__item:nth-child(odd),
  .blog-list__item:nth-child(even) {
    grid-column: auto;
    padding-left: 20px;
    padding-right: 20px;
    text-align: left;
  }
  .blog-list__item-read-more {
    margin-left: 0;
    margin-right: 0;
  }
}