/* === Article Page Header === */
.site-header {
  text-align: center;
  padding: 2rem 1rem 0;
}

.site-header h1 {
  font-size: 36px;
  font-weight: normal;
  font-family: Georgia, 'Times New Roman', serif;
}

.site-header h1 a {
  color: inherit;
  text-decoration: none;
}

.site-header h1 a:hover {
  text-decoration: none;
}

.site-header hr {
  border: none;
  border-top: 1px solid #1a1a1a;
  width: 200px;
  margin: 0.3rem auto 0;
}

.full-width-rule {
  border: none;
  border-top: 1px solid #ddd;
  margin: 1rem 0;
}

/* === Article Container === */
.article-container {
  max-width: 984px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 648px) 1fr;
  gap: 2rem;
}

/* === Article Content === */
.article-container article {
  min-width: 0;
}

.article-title {
  font-size: 38px;
  font-weight: normal;
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.2;
  margin-bottom: 0;
}

.title-rule {
  border: none;
  border-top: 1px solid #1a1a1a;
  margin: 0.4rem 0 0.5rem;
}

.article-date {
  display: block;
  color: #555;
  font-size: 0.9em;
  margin-bottom: 2rem;
}

.article-container article h2 {
  font-size: 1.5em;
  font-weight: bold;
  margin-top: 2.5rem;
  margin-bottom: 0.8rem;
}

.article-container article h3 {
  font-size: 1.2em;
  font-weight: bold;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}

.article-container article p {
  margin-bottom: 1em;
}

.article-container article a {
  text-decoration: underline;
}

/* === Lists === */
.article-container article ul,
.article-container article ol {
  margin-bottom: 1em;
  padding-left: 1.5em;
}

.article-container article li {
  margin-bottom: 0.3em;
}

.compact-li {
  margin-bottom: 0.5em;
}

/* === Figures === */
figure {
  margin: 1.5em 0;
}

figure img {
  max-width: 100%;
  height: auto;
  display: block;
}

.caption {
  font-size: 15px;
  line-height: 1.3em;
  color: #555;
  margin-top: 0.5em;
  text-align: center;
}

/* === Code Blocks === */
pre[class*="language-"] {
  margin: 1.5em 0;
  border-radius: 4px;
  font-size: 0.9em;
}

code {
  font-family: 'Menlo', 'Consolas', 'Monaco', monospace;
  font-size: 0.9em;
}

:not(pre) > code {
  background: #f5f5f5;
  padding: 0.15em 0.35em;
  border-radius: 3px;
}

/* === Footnotes === */
.footnotes {
  margin-top: 3rem;
  font-size: 0.9em;
}

.footnotes hr {
  border: none;
  border-top: 1px solid #ddd;
  margin-bottom: 1rem;
}

.footnotes ol {
  padding-left: 1.5em;
}

.footnotes li {
  margin-bottom: 0.5em;
}

sup a {
  text-decoration: none;
  color: #0066cc;
  font-weight: bold;
}

/* === Bibliography === */
.bibliography {
  margin-top: 3rem;
}

.bibliography ol {
  padding-left: 1.5em;
  font-size: 0.95em;
}

.bibliography li {
  margin-bottom: 0.5em;
}

/* === TOC Sidebar === */
.l-gutter {
  display: none;
}

@media (min-width: 1280px) {
  .l-gutter {
    display: block;
    position: sticky;
    top: 72px;
    align-self: start;
    font-size: 13px;
    line-height: 1.8;
  }

  .l-gutter .toc-heading {
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5em;
    font-size: 13px;
  }

  .l-gutter ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .l-gutter li {
    margin-bottom: 0.15em;
  }

  .l-gutter a {
    color: #555;
    text-decoration: none;
  }

  .l-gutter a:hover {
    text-decoration: underline;
    color: #1a1a1a;
  }

  .toc-anchor {
    font-style: italic;
  }

  .toc-h3 {
    padding-left: 1.2em;
  }
}

/* === Responsive === */
@media (max-width: 1279px) {
  .article-container {
    display: block;
    max-width: 700px;
  }
}

@media (max-width: 600px) {
  .article-title {
    font-size: 28px;
  }

  .article-container {
    padding: 1rem;
  }
}