:root {
    --blog-list-primary-text: #1a1a1a;
    --blog-list-secondary-text: #333333;
    --blog-list-tertiary-text: #333333;
    --blog-list-background: #f8f8f8;
    --blog-list-card-background: #ffffff;
    --blog-list-accent-color: #e6b800; 
    --blog-list-border-color: #eee;
    --blog-list-shadow-color: rgba(0, 0, 0, 0.1);
    --blog-list-shadow-hover-color: rgba(0, 0, 0, 0.2);
    --blog-list-button-text-color: #000000;
  }

  .blog-list {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--blog-list-primary-text);
    background-color: var(--blog-list-background);
    padding-top: var(--header-offset, 120px); 
    padding-bottom: 40px;
  }

  .blog-list__hero {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--blog-list-card-background);
    margin-bottom: 30px;
    border-bottom: 1px solid var(--blog-list-border-color);
  }

  .blog-list__main-title {
    font-size: 2.2em; 
    color: var(--blog-list-primary-text);
    margin-bottom: 15px;
    line-height: 1.3;
  }

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

  .blog-list__section-title {
    font-size: 2em; 
    text-align: center;
    margin-bottom: 40px;
    color: var(--blog-list-primary-text);
  }

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

  .blog-list__timeline {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 30px; 
  }

  @media (min-width: 768px) {
    .blog-list__timeline {
      grid-template-columns: repeat(2, 1fr); 
    }
  }

  @media (min-width: 1024px) {
    .blog-list__timeline {
      grid-template-columns: repeat(3, 1fr); 
    }
  }

  .blog-list__item {
    position: relative;
    padding-left: 25px; 
    display: flex;
    flex-direction: column;
  }

  .blog-list__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20px;
    width: 10px;
    height: 10px;
    background-color: var(--blog-list-accent-color);
    border-radius: 50%;
    z-index: 1;
    transform: translateX(-50%);
    border: 2px solid var(--blog-list-card-background);
  }

  .blog-list__item::after {
    content: '';
    position: absolute;
    left: 0;
    top: 30px;
    bottom: -30px;
    width: 2px;
    background-color: var(--blog-list-border-color);
    z-index: 0;
    transform: translateX(-50%);
  }

  .blog-list__item:last-child::after {
    height: 10px;
    bottom: auto;
  }

  .blog-list__card {
    background-color: var(--blog-list-card-background);
    border-radius: 10px; 
    box-shadow: 0 4px 15px var(--blog-list-shadow-color); 
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; 
  }

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

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

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

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

  .blog-list__date {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9em; 
    color: var(--blog-list-tertiary-text);
  }

  .blog-list__title {
    font-size: 1.25em; 
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.4;
  }

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

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

  .blog-list__summary {
    font-size: 1em; 
    color: var(--blog-list-secondary-text);
    margin-bottom: 15px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
  }

  .blog-list__read-more {
    display: inline-block;
    margin-top: auto;
    padding: 8px 15px;
    background-color: var(--blog-list-accent-color);
    color: var(--blog-list-button-text-color);
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9em;
    transition: background-color 0.3s ease;
    align-self: flex-start;
  }

  .blog-list__read-more:hover {
    background-color: #d4a800;
  }