:root {
      --primary-color: #e44d26; 
      --secondary-color: #2c3e50; 
      --text-color: #333; 
      --light-text-color: #666; 
      --border-color: #eee; 
      --background-color: #f8f8f8; 
      --white-color: #fff; 
      --shadow-color: rgba(0, 0, 0, 0.1); 
      --hover-shadow-color: rgba(0, 0, 0, 0.2); 
    }

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

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

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

    .blog-list__title {
      font-size: 2.5em;
      color: var(--secondary-color);
      margin-bottom: 10px;
      font-weight: bold;
      line-height: 1.2;
    }

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

    .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: 4px;
      background-color: var(--border-color);
      transform: translateX(-50%);
      z-index: 1;
      display: none; 
    }

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

    .blog-list__timeline-item {
      display: flex;
      justify-content: center;
      margin-bottom: 40px;
      position: relative;
    }

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

    .blog-list__timeline-dot {
      position: absolute;
      left: 50%;
      top: 0; 
      width: 20px;
      height: 20px;
      background-color: var(--primary-color);
      border: 3px solid var(--white-color);
      border-radius: 50%;
      transform: translateX(-50%);
      z-index: 2;
      display: none; 
    }

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

    .blog-list__card {
      background-color: var(--white-color);
      border-radius: 12px;
      box-shadow: 0 4px 15px var(--shadow-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      width: 100%;
      max-width: 450px; 
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
    }

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

    .blog-list__card-image {
      width: 100%;
      padding-top: 56.25%; 
      background-size: cover;
      background-position: center;
      border-top-left-radius: 12px;
      border-top-right-radius: 12px;
    }

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

    .blog-list__card-date {
      font-size: 0.85em;
      color: var(--light-text-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

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

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

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

    .blog-list__card-summary {
      font-size: 1em;
      color: var(--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-link {
      display: inline-block;
      margin-top: auto; 
      padding: 10px 20px;
      background-color: var(--primary-color);
      color: var(--white-color);
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      text-align: center;
    }

    .blog-list__card-link:hover {
      background-color: #c0392b; 
    }

    
    @media (min-width: 768px) {
      .blog-list__timeline-item {
        max-width: 900px; 
        margin: 0 auto 40px auto;
      }

      .blog-list__card {
        width: 45%; 
        max-width: none;
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__card {
        margin-right: calc(50% + 20px); 
      }

      .blog-list__timeline-item:nth-child(even) .blog-list__card {
        margin-left: calc(50% + 20px); 
      }

      .blog-list__timeline-item:nth-child(odd) .blog-list__timeline-dot {
        left: 50%; 
      }
      .blog-list__timeline-item:nth-child(even) .blog-list__timeline-dot {
        left: 50%; 
      }
    }

    @media (min-width: 1024px) {
      .blog-list__container {
        padding: 40px 20px;
      }
      .blog-list__timeline {
        max-width: 1000px;
      }
      .blog-list__timeline-item {
        max-width: 1000px;
      }
      .blog-list__card {
        width: 48%;
      }
    }

    
    .blog-list__card-title-link:focus,
    .blog-list__card-link:focus {
      outline: 2px solid var(--primary-color);
      outline-offset: 3px;
    }