:root {
      --primary-color: #007bff;
      --secondary-color: #6c757d;
      --text-color: #333;
      --light-text-color: #555;
      --background-color: #f8f9fa;
      --card-background: #ffffff;
      --border-color: #e9ecef;
      --shadow-color: rgba(0, 0, 0, 0.08);
      --hover-shadow-color: rgba(0, 0, 0, 0.15);
      --timeline-line-color: #ced4da;
      --timeline-dot-color: #007bff;
    }

    .blog-list {
      font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      color: var(--text-color);
      padding: 20px;
      padding-top: var(--header-offset, 120px);
      max-width: 1200px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5em;
      color: var(--text-color);
      position: relative;
      padding-bottom: 15px;
    }

    .blog-list__heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .blog-list__description {
      text-align: center;
      margin-bottom: 50px;
      font-size: 1.1em;
      color: var(--secondary-color);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .blog-list__timeline-container {
      position: relative;
      padding-left: 20px;
      padding-right: 20px;
    }

    .blog-list__timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background-color: var(--timeline-line-color);
      transform: translateX(-50%);
      display: none;
    }

    .blog-list__item {
      display: flex;
      flex-direction: column;
      background-color: var(--card-background);
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 30px;
      box-shadow: 0 4px 12px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      padding: 20px;
      border: 1px solid var(--border-color);
    }

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

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%;
      position: relative;
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 20px;
    }

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

    .blog-list__item-date {
      font-size: 0.85em;
      color: white;
      margin-bottom: 10px;
      text-align: center;
      background-color: var(--primary-color);
      padding: 5px 10px;
      border-radius: 5px;
      align-self: flex-start;
      margin-left: auto;
      margin-right: auto;
    }

    .blog-list__item-title {
      font-size: 1.4em;
      margin-bottom: 10px;
      line-height: 1.3;
      font-weight: 700;
      color: var(--text-color);
      text-align: center;
    }

    .blog-list__item-title-link {
      text-decoration: none;
      color: inherit;
      transition: color 0.3s ease;
    }

    .blog-list__item-title-link:hover {
      color: var(--primary-color);
    }

    .blog-list__item-summary {
      font-size: 1em;
      color: var(--secondary-color);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      text-align: justify;
    }

    .blog-list__item-link {
      display: inline-block;
      background-color: var(--primary-color);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 600;
      transition: background-color 0.3s ease, transform 0.3s ease;
      align-self: flex-end;
      margin-top: auto;
    }

    .blog-list__item-link:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .blog-list__pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-top: 50px;
      gap: 10px;
    }

    .blog-list__pagination-button {
      background-color: var(--card-background);
      border: 1px solid var(--border-color);
      color: var(--primary-color);
      padding: 10px 15px;
      border-radius: 8px;
      text-decoration: none;
      transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
      font-weight: 600;
    }

    .blog-list__pagination-button:hover,
    .blog-list__pagination-button--active {
      background-color: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    .blog-list__pagination-button--disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    @media (min-width: 768px) {
      .blog-list__timeline-container {
        padding-left: 0;
        padding-right: 0;
        display: grid;
        grid-template-columns: 1fr 2px 1fr;
        gap: 40px;
      }

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

      .blog-list__item {
        margin-bottom: 0;
        padding: 25px;
        flex-direction: row;
        align-items: center;
        position: relative;
        width: calc(100% - 40px);
      }

      .blog-list__item:nth-child(odd) {
        grid-column: 1 / 2;
        justify-self: end;
        margin-right: 40px;
      }

      .blog-list__item:nth-child(even) {
        grid-column: 3 / 4;
        justify-self: start;
        margin-left: 40px;
      }

      .blog-list__item::after {
        content: '';
        position: absolute;
        width: 16px;
        height: 16px;
        background-color: var(--timeline-dot-color);
        border-radius: 50%;
        border: 3px solid var(--card-background);
        box-shadow: 0 0 0 2px var(--timeline-line-color);
        top: 30px;
        z-index: 1;
      }

      .blog-list__item:nth-child(odd)::after {
        right: -58px;
      }

      .blog-list__item:nth-child(even)::after {
        left: -58px;
      }

      .blog-list__item-image-wrapper {
        width: 40%;
        margin-bottom: 0;
        margin-right: 20px;
        border-radius: 8px;
        flex-shrink: 0;
      }

      .blog-list__item-content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        text-align: left;
      }
      
      .blog-list__item:nth-child(odd) .blog-list__item-content {
        order: 1;
        text-align: right;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-image-wrapper {
        order: 2;
        margin-right: 0;
        margin-left: 20px;
      }

      .blog-list__item-date {
        position: absolute;
        top: 0;
        transform: translateY(-50%);
        white-space: nowrap;
        background-color: transparent;
        color: var(--light-text-color);
        font-weight: 600;
        padding: 0;
        border-radius: 0;
        text-align: center;
        width: auto;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-date {
        right: -100px;
        left: auto;
      }

      .blog-list__item:nth-child(even) .blog-list__item-date {
        left: -100px;
        right: auto;
      }

      .blog-list__item-title,
      .blog-list__item-summary,
      .blog-list__item-link {
        text-align: left;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__item:nth-child(odd) .blog-list__item-title,
      .blog-list__item:nth-child(odd) .blog-list__item-summary,
      .blog-list__item:nth-child(odd) .blog-list__item-link {
        text-align: right;
        align-self: flex-end;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__item {
        padding: 30px;
      }
      
      .blog-list__item-title {
        font-size: 1.6em;
      }

      .blog-list__item-summary {
        font-size: 1.05em;
      }
    }