.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-category {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.post-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.post-date {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.post-hero {
  margin-bottom: 3rem;
}

.post-hero img {
  width: 100%;
  display: block;
}

.post-toc {
  background: none;
  border: 1px solid var(--color-border);
  padding: 1.5rem 1.75rem;
  margin-bottom: 3rem;
  font-size: 0.875rem;
}

.post-toc ol {
  margin: 0;
  padding-left: 1.25rem;
}

.post-toc li {
  margin-bottom: 0.4rem;
  line-height: 1.6;
}

.post-toc li:last-child {
  margin-bottom: 0;
}

.post-toc a {
  color: var(--color-text);
  text-decoration: none;
}

.post-toc a:hover {
  opacity: 0.5;
}

.post-body p {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 1.5em;
}

.post-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
}

.post-body h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-text);
}

.post-body figure {
  margin: 2rem 0;
}

.post-body figure img {
  width: 100%;
  display: block;
}

.post-link {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.post-link a {
  font-size: 0.875rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.post-link a:hover {
  opacity: 0.5;
}

@media (max-width: 768px) {
  .blog-post {
    padding: 2.5rem 1.25rem 4rem;
  }

  .post-title {
    font-size: 1.375rem;
  }
}