:root {
    --header-offset: 120px; 
    --primary-text-color: #f0f0f0;
    --secondary-text-color: #aaa;
    --accent-color: #ffd700; 
    --background-dark: #1a1a1a;
    --card-background: #282828;
    --border-light: #333;
    --shadow-light: rgba(0, 0, 0, 0.2);
    --shadow-hover: rgba(0, 0, 0, 0.4);
  }

  .blog-list {
    background-color: var(--background-dark);
    color: var(--primary-text-color);
    min-height: 100vh;
    padding-top: var(--header-offset, 120px); 
  }

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

  .blog-list__hero {
    text-align: center;
    padding: 40px 20px;
    background-color: #222; 
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-light);
  }

  .blog-list__title {
    font-size: 2.5em;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
  }

  .blog-list__description {
    font-size: 1.1em;
    color: var(--secondary-text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
  }

  .blog-list__timeline-section {
    padding-bottom: 60px;
  }

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

  .blog-list__timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--border-light);
    z-index: 0;
  }

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

  .blog-list__timeline-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border: 4px solid var(--background-dark);
    border-radius: 50%;
    z-index: 1;
  }

  .blog-list__timeline-content {
    width: 80%; 
    padding: 0 20px;
    box-sizing: border-box;
  }

  .blog-list__card {
    background-color: var(--card-background);
    border-radius: 12px; 
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%; 
  }

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

  .blog-list__card-image-link {
    display: block;
    text-decoration: none;
  }

  .blog-list__card-image {
    width: 100%;
    padding-top: 56.25%; 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-bottom: 1px solid var(--border-light);
  }

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

  .blog-list__card-title {
    font-size: 1.4em; 
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.3;
  }

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

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

  .blog-list__card-summary {
    font-size: 1em; 
    color: var(--secondary-text-color);
    line-height: 1.6;
    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-light);
  }

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

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

  .blog-list__card-read-more:hover {
    background-color: #e0b800; 
    color: var(--background-dark);
  }

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

    .blog-list__timeline-item {
      justify-content: space-between;
      flex-direction: row; 
      align-items: flex-start;
    }

    .blog-list__timeline-item:nth-child(even) {
      flex-direction: row-reverse; 
    }

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

    .blog-list__timeline-content {
      width: 45%; 
      padding: 0;
    }

    .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-content {
      margin-right: 5%; 
    }

    .blog-list__timeline-item:nth-child(even) .blog-list__timeline-content {
      margin-left: 5%; 
    }
  }

  @media (min-width: 1024px) {
    .blog-list__container {
      padding: 20px 40px;
    }
    .blog-list__card-title {
      font-size: 1.5em;
    }
    .blog-list__card-summary {
      font-size: 1.05em;
    }
  }

  @media (max-width: 767px) {
    .blog-list__hero {
      padding: 30px 15px;
      margin-bottom: 30px;
    }
    .blog-list__title {
      font-size: 2em;
    }
    .blog-list__description {
      font-size: 1em;
    }
    .blog-list__timeline::before {
      left: 20px; 
      transform: translateX(0);
    }
    .blog-list__timeline-item {
      flex-direction: column;
      align-items: flex-start;
      margin-bottom: 40px;
    }
    .blog-list__timeline-dot {
      left: 20px;
      transform: translateX(-50%);
      top: 10px; 
    }
    .blog-list__timeline-content {
      width: calc(100% - 40px); 
      margin-left: 40px; 
      padding: 0;
    }
    .blog-list__card {
      margin-top: 10px; 
    }
    .blog-list__card-title {
      font-size: 1.2em;
    }
    .blog-list__card-summary {
      font-size: 0.95em;
      -webkit-line-clamp: 4; 
    }
    .blog-list__card-meta {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }
    .blog-list__card-read-more {
      width: 100%;
      text-align: center;
    }
  }