:root {
    --primary-brand-color: #007bff; 
    --accent-highlight-color: #FFD700; 
    --text-color-light: #f0f0f0;
    --text-color-dark: #333333;
    --background-color-dark: #1a1a1a;
    --card-background-color: #2a2a2a;
    --border-color-medium: #444;
    --shadow-color-dark: rgba(0, 0, 0, 0.5);
    --header-offset: 120px;
  }

  .blog-list {
    background-color: var(--background-color-dark);
    color: var(--text-color-light);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
  }

  .blog-list__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    padding-top: var(--header-offset); 
  }

  .blog-list__hero {
    text-align: center;
    margin-bottom: 50px;
    padding: 20px 0;
  }

  .blog-list__page-title {
    font-size: 2.8em;
    color: var(--accent-highlight-color);
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.2;
  }

  .blog-list__description {
    font-size: 1.15em;
    color: #cccccc;
    margin-bottom: 25px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }

  .blog-list__timeline {
    position: relative;
    margin: 0 auto;
    padding: 20px 0;
  }

  .blog-list__timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background-color: var(--border-color-medium);
    transform: translateX(-50%);
    z-index: 0;
  }

  .blog-list__timeline-wrapper {
    display: flex;
    flex-direction: column;
  }

  .blog-list__timeline-item {
    position: relative;
    margin-bottom: 60px; 
    width: 100%;
    display: flex;
    justify-content: center; 
  }

  .blog-list__timeline-item:last-child {
    margin-bottom: 0;
  }

  .blog-list__timeline-marker {
    background-color: var(--accent-highlight-color);
    border: 4px solid var(--background-color-dark);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 50%;
    top: 50%; 
    transform: translate(-50%, -50%);
    z-index: 1;
  }

  .blog-list__card {
    background-color: var(--card-background-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px var(--shadow-color-dark);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 90%; 
    max-width: 500px; 
    display: flex;
    flex-direction: column;
    color: var(--text-color-light);
  }

  .blog-list__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px var(--shadow-color-dark);
  }

  .blog-list__card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
  }

  .blog-list__card-image {
    width: 100%;
    padding-bottom: 56.25%; 
    background-size: cover;
    background-position: center;
    background-color: #3a3a3a; 
  }

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

  .blog-list__card-title {
    font-size: 1.4em; 
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-color-light);
    line-height: 1.3;
  }

  .blog-list__card-summary {
    font-size: 1em; 
    color: #b0b0b0;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
  }

  .blog-list__card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #3c3c3c;
  }

  .blog-list__card-published-at {
    font-size: 0.9em; 
    color: #999999;
  }

  .blog-list__card-read-more {
    font-size: 1em; 
    color: var(--accent-highlight-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
  }

  .blog-list__card-read-more:hover {
    color: #ffe066; 
  }

  
  @media (min-width: 768px) {
    .blog-list__timeline-item {
      width: 50%; 
      margin-bottom: 80px;
    }

    .blog-list__timeline-item:nth-child(odd) {
      align-self: flex-start;
      padding-right: 40px; 
      text-align: right;
    }

    .blog-list__timeline-item:nth-child(even) {
      align-self: flex-end;
      padding-left: 40px; 
      text-align: left;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__card {
      margin-right: auto; 
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__card {
      margin-left: auto; 
    }

    .blog-list__timeline-item .blog-list__timeline-marker {
      left: 50%;
      transform: translate(-50%, -50%);
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__card-content {
      text-align: right;
    }
    .blog-list__timeline-item:nth-child(even) .blog-list__card-content {
      text-align: left;
    }
    .blog-list__timeline-item:nth-child(odd) .blog-list__card-meta {
      justify-content: flex-end; 
    }
    .blog-list__timeline-item:nth-child(odd) .blog-list__card-meta span:first-child {
      margin-right: 15px;
    }
    .blog-list__timeline-item:nth-child(even) .blog-list__card-meta {
      justify-content: flex-start; 
    }
    .blog-list__timeline-item:nth-child(even) .blog-list__card-meta span:last-child {
      margin-left: 15px;
    }
  }

  
  @media (min-width: 1024px) {
    .blog-list__timeline-item {
      width: 50%;
    }
    .blog-list__timeline-item:nth-child(odd) .blog-list__card-content {
      text-align: right;
    }
    .blog-list__timeline-item:nth-child(even) .blog-list__card-content {
      text-align: left;
    }
  }