:root {
      --blog-list-primary-color: #0056b3; 
      --blog-list-secondary-color: #1a1a1a; 
      --blog-list-tertiary-color: #444; 
      --blog-list-quaternary-color: #555; 
      --blog-list-background-color: #f8f8f8; 
      --blog-list-card-background-color: #ffffff; 
      --blog-list-border-color: #e0e0e0; 
      --blog-list-shadow-color: rgba(0, 0, 0, 0.08); 
      --blog-list-hover-shadow-color: rgba(0, 0, 0, 0.15); 
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: var(--blog-list-background-color);
      min-height: 100vh;
      font-family: 'Arial', sans-serif;
      color: var(--blog-list-secondary-color);
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      position: relative;
    }

    .blog-list__heading {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2.5em; 
      color: var(--blog-list-primary-color);
      font-weight: bold;
      padding-top: 20px;
      line-height: 1.2;
    }

    .blog-list__timeline {
      position: relative;
      margin-left: 20px; 
      padding-left: 30px; 
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 2px;
      height: 100%;
      background-color: var(--blog-list-border-color);
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 40px;
      background-color: var(--blog-list-card-background-color);
      border-radius: 12px;
      box-shadow: 0 4px 8px var(--blog-list-shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    .blog-list__item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px var(--blog-list-hover-shadow-color);
    }

    .blog-list__item::before {
      content: '';
      position: absolute;
      left: -32px; 
      top: 25px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: var(--blog-list-primary-color);
      border: 2px solid var(--blog-list-card-background-color);
      z-index: 1;
    }

    .blog-list__image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

    .blog-list__cover-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .blog-list__item:hover .blog-list__cover-image {
      transform: scale(1.05);
    }

    .blog-list__content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .blog-list__title {
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .blog-list__title-link:hover {
      color: var(--blog-list-primary-color);
      text-decoration: underline;
    }

    .blog-list__summary {
      font-size: 15px; 
      color: var(--blog-list-tertiary-color);
      margin-bottom: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      flex-grow: 1;
    }

    .blog-list__meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto; 
    }

    .blog-list__published-date {
      font-size: 13px; 
      color: var(--blog-list-quaternary-color);
    }

    .blog-list__read-more-link {
      display: inline-block;
      padding: 8px 15px;
      background-color: var(--blog-list-primary-color);
      color: var(--blog-list-card-background-color);
      text-decoration: none;
      border-radius: 5px;
      font-size: 14px;
      transition: background-color 0.3s ease;
    }

    .blog-list__read-more-link:hover {
      background-color: #004494; 
    }

    
    @media (min-width: 768px) {
      .blog-list__timeline {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px 30px; 
        margin-left: 0;
        padding-left: 0;
        position: relative; 
      }

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

      .blog-list__item {
        margin-bottom: 0; 
      }

      .blog-list__item:nth-child(odd) {
        grid-column: 1 / 2;
        text-align: right;
        padding-right: 40px; 
      }

      .blog-list__item:nth-child(even) {
        grid-column: 2 / 3;
        text-align: left;
        padding-left: 40px; 
      }

      .blog-list__item::before {
        top: 25px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: var(--blog-list-primary-color);
        border: 2px solid var(--blog-list-card-background-color);
        z-index: 2; 
      }

      .blog-list__item:nth-child(odd)::before {
        left: auto;
        right: -6px; 
      }

      .blog-list__item:nth-child(even)::before {
        left: -6px; 
      }

      .blog-list__item:nth-child(odd) .blog-list__content {
        align-items: flex-end;
      }

      .blog-list__item:nth-child(even) .blog-list__content {
        align-items: flex-start;
      }

      .blog-list__item:nth-child(odd) .blog-list__meta {
        justify-content: flex-end;
      }

      .blog-list__item:nth-child(even) .blog-list__meta {
        justify-content: flex-start;
      }

      .blog-list__item:nth-child(odd) .blog-list__read-more-link {
        margin-left: 15px;
      }

      .blog-list__item:nth-child(even) .blog-list__read-more-link {
        margin-right: 15px;
      }

      .blog-list__image-wrapper {
        border-radius: 12px; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__timeline {
        grid-template-columns: 1fr 1fr 1fr; 
        gap: 30px; 
        padding-left: 0;
        margin-left: 0;
      }

      .blog-list__timeline::before {
        display: none; 
      }

      .blog-list__item {
        grid-column: auto; 
        text-align: left; 
        padding: 0; 
        margin-bottom: 30px; 
        break-inside: avoid; 
      }

      .blog-list__item::before {
        display: none; 
      }

      .blog-list__item .blog-list__content {
        align-items: flex-start;
      }

      .blog-list__item .blog-list__meta {
        justify-content: space-between;
      }

      .blog-list__item .blog-list__read-more-link {
        margin-left: 0; 
        margin-right: 0; 
      }
    }