:root {
      --primary-color: #007bff; 
      --secondary-color: #6c757d; 
      --text-color-dark: #1a1a1a;
      --text-color-medium: #444;
      --text-color-light: #666;
      --background-light: #f8f9fa;
      --background-white: #ffffff;
      --border-color: #e0e0e0;
      --shadow-light: 0 4px 8px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.1);
      --header-offset: 120px; 
    }

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

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

    .blog-list__header {
      text-align: center;
      margin-bottom: 40px;
      padding: 20px 0;
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--text-color-dark);
      margin-bottom: 10px;
      font-weight: 700;
    }

    .blog-list__description {
      font-size: 1.1em;
      color: var(--text-color-medium);
      max-width: 800px;
      margin: 0 auto;
    }

    .blog-list__timeline {
      position: relative;
      margin: 0;
      padding: 0;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 4px;
      background-color: var(--border-color);
      transform: translateX(-50%);
      z-index: 0;
      display: none; 
    }

    .blog-list__item {
      position: relative;
      margin-bottom: 30px;
      padding: 15px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .blog-list__item-date-marker {
      background-color: var(--primary-color);
      color: var(--background-white);
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 0.9em;
      font-weight: 600;
      margin-bottom: 15px;
      white-space: nowrap;
    }

    .blog-list__card {
      background-color: var(--background-white);
      border-radius: 10px;
      box-shadow: var(--shadow-light);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      width: 100%;
      max-width: 600px; 
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .blog-list__card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .blog-list__card-image-wrapper {
      width: 100%;
      padding-top: 56.25%; 
      position: relative;
      overflow: hidden;
      background-color: #f0f0f0; 
    }

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

    .blog-list__card-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      text-align: left;
    }

    .blog-list__card-title {
      font-size: 1.3em;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .blog-list__card-summary {
      font-size: 0.95em;
      color: var(--text-color-light);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      flex-grow: 1;
    }

    .blog-list__card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto; 
      padding-top: 10px;
      border-top: 1px solid var(--border-color);
    }

    .blog-list__card-published-date {
      font-size: 0.85em;
      color: var(--text-color-light);
    }

    .blog-list__card-read-more {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--background-white);
      padding: 8px 15px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: 600;
      transition: background-color 0.3s ease;
    }

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

    
    @media (min-width: 768px) {
      .blog-list__timeline::before {
        display: block;
      }

      .blog-list__item {
        margin-bottom: 40px;
        flex-direction: row;
        justify-content: space-between;
        align-items: stretch;
      }

      .blog-list__item:nth-child(odd) {
        padding-right: calc(50% + 30px); 
        text-align: right;
        justify-content: flex-end;
      }

      .blog-list__item:nth-child(even) {
        padding-left: calc(50% + 30px); 
        text-align: left;
        justify-content: flex-start;
      }

      .blog-list__item-date-marker {
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        margin-top: 10px; 
        z-index: 1;
        background-color: var(--primary-color);
        color: var(--background-white);
        border: 3px solid var(--background-white);
        box-shadow: 0 0 0 3px var(--primary-color);
      }

      .blog-list__item:nth-child(odd) .blog-list__card {
        margin-right: 30px; 
      }

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 30px; 
      }

      .blog-list__card {
        width: calc(50% - 60px); 
        max-width: none; 
      }

      .blog-list__card-content {
        text-align: left; 
      }
    }

    
    @media (min-width: 1024px) {
      .blog-list__title {
        font-size: 3em;
      }

      .blog-list__item {
        margin-bottom: 50px;
      }

      .blog-list__item:nth-child(odd) {
        padding-right: calc(50% + 40px);
      }

      .blog-list__item:nth-child(even) {
        padding-left: calc(50% + 40px);
      }

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

      .blog-list__item:nth-child(even) .blog-list__card {
        margin-left: 40px;
      }

      .blog-list__card {
        width: 45%; 
      }
    }