* {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  }

  .blog-container {
    min-height: 100vh; padding: 20px; margin: 0 auto; max-width: 678px;
  }



  details.card {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    overflow: clip;
  }
  
  details.card summary {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  
    padding: 1rem 1.25rem;
    user-select: none;
  }
  
  details.card summary::before {
    content: "->";
    transition: transform 0.2s ease;
  }
  
  details.card[open] summary::before {
    transform: rotate(90deg);
  }
  
  /* nice hover/active feel */
  details.card summary:hover {
    background: rgba(255, 255, 255, 0.05);
  }
  
  /* remove default marker (Chrome/Safari) */
  details.card summary::-webkit-details-marker {
    display: none;
  }
  
  /* content area */
  details.card .card-body {
    padding: 0 1.25rem 1rem 1.25rem;
    opacity: 0.9;
  }
  
  /* separator line appears only when open */
  details.card[open] summary {
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  }
  
  /* keyboard focus */
  details.card summary:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.35);
    outline-offset: -2px;
    border-radius: 16px;
  }

  /* details.card {
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  } */

  .about-me {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 1rem;
    align-items: start;
  }
  
  .about-me__avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    opacity: 0.95;
  }
  
  .about-me__content p {
    margin: 0 0 0.75rem 0;
    line-height: 1.6;
  }
  
  .about-me__meta {
    font-size: 0.9rem;
    opacity: 0.65;
  }
  
  /* mobile polish */
  @media (max-width: 600px) {
    .about-me {
      grid-template-columns: 1fr;
    }
  
    .about-me__avatar {
      width: 72px;
      height: 72px;
    }
  }