:root {
    --primary-accent-color: #E44D26;
    --hero-bg-color: #2C3E50;
    --text-light-on-dark: #FFFFFF;
    --text-dark-on-light: #333333;
    --text-medium-on-light: #6c757d;
    --background-light: #f8f9fa;
    --card-background: #ffffff;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --header-offset: 120px;
  }

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

  .blog-list__hero-section {
    background-color: var(--hero-bg-color);
    color: var(--text-light-on-dark);
    padding: 60px 20px;
    text-align: center;
    padding-top: var(--header-offset);
    box-sizing: border-box;
  }

  .blog-list__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
    line-height: 1.2;
    font-weight: bold;
    color: var(--text-light-on-dark);
  }

  .blog-list__hero-description {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    color: var(--text-light-on-dark);
  }

  .blog-list__timeline-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
  }

  .blog-list__timeline-header {
    text-align: center;
    margin-bottom: 40px;
  }

  .blog-list__section-title {
    font-size: 2em;
    color: var(--text-dark-on-light);
    margin-bottom: 10px;
    font-weight: bold;
  }

  .blog-list__section-description {
    font-size: 1.1em;
    color: var(--text-medium-on-light);
  }

  .blog-list__timeline-wrapper {
    position: relative;
    padding-left: 30px;
  }

  .blog-list__timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
  }

  .blog-list__item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 40px;
    display: flex;
    align-items: flex-start;
  }

  .blog-list__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 7px;
    width: 8px;
    height: 8px;
    background-color: var(--primary-accent-color);
    border: 2px solid var(--card-background);
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 0 2px var(--primary-accent-color);
  }

  .blog-list__date-marker {
    position: absolute;
    left: -80px;
    width: 100px;
    text-align: right;
    font-size: 0.9em;
    color: var(--text-medium-on-light);
    top: 0;
  }

  .blog-list__date {
    display: block;
    white-space: nowrap;
    font-weight: bold;
  }

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

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

  .blog-list__image-link {
    display: block;
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
  }

  .blog-list__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  .blog-list__card:hover .blog-list__image {
    transform: scale(1.05);
  }

  .blog-list__content {
    padding: 20px;
    flex-grow: 1;
  }

  .blog-list__title {
    font-size: 1.25em;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
  }

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

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

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

  .blog-list__read-more-button {
    display: inline-block;
    background-color: var(--link-color);
    color: var(--text-light-on-dark);
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-size: 0.9em;
  }

  .blog-list__read-more-button:hover {
    background-color: var(--link-hover-color);
    transform: translateY(-2px);
  }

  @media (min-width: 768px) {
    .blog-list__hero-title {
      font-size: 2.8em;
    }
    .blog-list__hero-description {
      font-size: 1.2em;
    }
    .blog-list__section-title {
      font-size: 2.5em;
    }

    .blog-list__timeline-wrapper {
      padding-left: 100px;
    }

    .blog-list__timeline-wrapper::before {
      left: 50px;
    }

    .blog-list__item::before {
      left: 47px;
    }

    .blog-list__date-marker {
      left: -20px;
      width: 100px;
      text-align: right;
      font-size: 1em;
    }

    .blog-list__card {
      flex-direction: row;
      max-width: calc(100% - 120px);
    }

    .blog-list__image-link {
      width: 40%;
      height: auto;
      padding-bottom: calc(40% * 9 / 16);
      position: relative;
    }

    .blog-list__image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }

    .blog-list__content {
      width: 60%;
      padding: 25px;
    }

    .blog-list__title {
      font-size: 1.4em;
    }
    .blog-list__summary {
      font-size: 1em;
    }
  }

  @media (min-width: 1024px) {
    .blog-list__hero-title {
      font-size: 3.2em;
    }
    .blog-list__section-title {
      font-size: 3em;
    }

    .blog-list__timeline-wrapper {
      padding-left: 150px;
    }

    .blog-list__timeline-wrapper::before {
      left: 75px;
    }

    .blog-list__item::before {
      left: 72px;
    }

    .blog-list__date-marker {
      left: -10px;
      width: 150px;
      font-size: 1.1em;
    }

    .blog-list__card {
      max-width: calc(100% - 170px);
    }

    .blog-list__title {
      font-size: 1.5em;
    }
  }