:root {
      --primary-bg-color: #1a1a1a;
      --secondary-bg-color: #2a2a2a;
      --text-color-light: #f0f0f0;
      --text-color-dark: #cccccc;
      --accent-color: #ffd700; 
      --border-color: #333333;
      --shadow-color: rgba(0, 0, 0, 0.5);
      --header-offset: 120px; 
    }

    .blog-list {
      padding-top: var(--header-offset);
      background-color: var(--primary-bg-color);
      color: var(--text-color-light);
      font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      padding-bottom: 40px;
      min-height: 80vh;
    }

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

    .blog-list__heading {
      text-align: center;
      color: var(--accent-color);
      margin-bottom: 40px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .blog-list__timeline {
      position: relative;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 20px; 
      width: 4px;
      background-color: var(--border-color);
      z-index: 1;
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 30px;
      display: flex;
      align-items: flex-start;
    }

    .blog-list__item-marker {
      width: 20px;
      height: 20px;
      background-color: var(--accent-color);
      border: 3px solid var(--primary-bg-color);
      border-radius: 50%;
      position: absolute;
      left: 12px; 
      top: 0;
      z-index: 2;
      box-shadow: 0 0 0 3px var(--secondary-bg-color); 
    }

    .blog-list__item-content {
      background-color: var(--secondary-bg-color);
      border-radius: 10px;
      padding: 20px;
      margin-left: 60px; 
      box-shadow: 0 4px 15px var(--shadow-color);
      flex-grow: 1;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .blog-list__item-content:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--shadow-color);
    }

    .blog-list__item-image-wrapper {
      width: 100%;
      padding-bottom: 56.25%; 
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 15px;
    }

    .blog-list__item-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      border-radius: 8px;
    }

    .blog-list__item-date {
      color: var(--text-color-dark);
      font-size: 0.9em;
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__item-title {
      font-size: 1.25em; 
      font-weight: bold;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .blog-list__item-title-link {
      color: var(--text-color-light);
      text-decoration: none;
      transition: color 0.3s ease;
    }

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

    .blog-list__item-summary {
      color: var(--text-color-dark);
      font-size: 1em; 
      line-height: 1.6;
      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: var(--accent-color);
      color: var(--primary-bg-color); 
      padding: 10px 18px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      align-self: flex-start;
      margin-top: auto; 
    }

    .blog-list__item-read-more:hover {
      background-color: #e6c200; 
      color: var(--primary-bg-color);
    }

    
    @media (min-width: 768px) {
      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-2px);
      }

      .blog-list__item {
        justify-content: space-between;
        margin-left: 0;
        margin-right: 0;
      }

      .blog-list__item-marker {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item-content {
        width: calc(50% - 40px); 
        margin-left: 0;
      }

      .blog-list__item:nth-child(odd) {
        flex-direction: row-reverse; 
      }

      .blog-list__item:nth-child(odd) .blog-list__item-content {
        margin-right: 40px; 
        text-align: right;
      }

      .blog-list__item:nth-child(even) .blog-list__item-content {
        margin-left: 40px; 
        text-align: left;
      }
      
      .blog-list__item:nth-child(odd) .blog-list__item-read-more {
        align-self: flex-end;
      }
      .blog-list__item:nth-child(odd) .blog-list__item-image-wrapper {
        margin-left: auto; 
        margin-right: 0;
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__heading {
        font-size: 3em;
      }
      .blog-list__item-title {
        font-size: 1.375em; 
      }
      .blog-list__item-summary {
        font-size: 1.0625em; 
      }
    }