:root {
    --blog-list__primary-color: #007bff;
    --blog-list__text-color: #333333;
    --blog-list__text-color-light: #666666;
    --blog-list__text-color-lighter: #999999;
    --blog-list__background-color: #f8f8f8;
    --blog-list__card-background-color: #ffffff;
    --blog-list__border-color: #e0e0e0;
    --blog-list__shadow-color: rgba(0, 0, 0, 0.1);
    --blog-list__shadow-hover-color: rgba(0, 0, 0, 0.2);
    --header-offset: 120px;
  }

  .blog-list {
    padding-top: var(--header-offset, 120px);
    padding-bottom: 40px;
    background-color: var(--blog-list__background-color);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--blog-list__text-color);
    line-height: 1.6;
  }

  .blog-list__section-title {
    text-align: center;
    font-size: 2.2em;
    color: var(--blog-list__primary-color);
    margin-bottom: 20px;
    padding: 0 15px;
    font-weight: bold;
    text-transform: uppercase;
  }

  .blog-list__description {
    text-align: center;
    font-size: 1.1em;
    color: var(--blog-list__text-color-light);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 15px;
    line-height: 1.6;
  }

  .blog-list__container {
    display: grid;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }

  .blog-list__item {
    background-color: var(--blog-list__card-background-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px var(--blog-list__shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
  }

  .blog-list__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--blog-list__shadow-hover-color);
  }

  .blog-list__image-wrapper {
    width: 100%;
    padding-top: 56.25%;
    position: relative;
    overflow: hidden;
  }

  .blog-list__cover-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .blog-list__content {
    padding: 20px;
    position: relative;
  }

  .blog-list__item::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -15px;
    width: 10px;
    height: 10px;
    background-color: var(--blog-list__primary-color);
    border-radius: 50%;
    z-index: 1;
    display: none;
  }

  .blog-list__item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    left: -11px;
    width: 2px;
    height: calc(100% + 20px);
    background-color: var(--blog-list__border-color);
    z-index: 0;
    display: none;
  }

  .blog-list__published-date {
    font-size: 14px;
    color: var(--blog-list__text-color-lighter);
    margin-bottom: 10px;
    display: block;
  }

  .blog-list__title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
  }

  .blog-list__title-link {
    color: var(--blog-list__text-color);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .blog-list__title-link:hover {
    color: var(--blog-list__primary-color);
  }

  .blog-list__summary {
    font-size: 15px;
    color: var(--blog-list__text-color-light);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .blog-list__read-more {
    display: inline-block;
    background-color: var(--blog-list__primary-color);
    color: var(--blog-list__card-background-color);
    padding: 10px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
  }

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

  @media (max-width: 767px) {
    .blog-list__container {
      grid-template-columns: 1fr;
      padding: 0 10px;
    }
    .blog-list__item {
      margin-left: 25px;
    }
    .blog-list__item::before,
    .blog-list__item:not(:last-child)::after {
      display: block;
    }
  }

  @media (min-width: 768px) and (max-width: 1023px) {
    .blog-list__container {
      grid-template-columns: repeat(2, 1fr);
      padding: 0 20px;
    }
  }

  @media (min-width: 1024px) {
    .blog-list__container {
      grid-template-columns: repeat(3, 1fr);
      padding: 0 20px;
    }
  }