/* ── Blog-specific overrides on top of latex.vercel.app/style.css ── */

:root {
  --accent: #8b0000;
  --muted: #555;
  --border: #ccc;
  --max-width: 720px;
}

body {
  max-width: var(--max-width);
}

/* ── Header ── */

header {
  border-bottom: 2px solid #000;
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
}

header h1 {
  /* override latex.css large h1 margins */
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.site-title {
  margin: 0 0 0.6rem;
  font-size: 1.5rem;
  font-weight: bold;
}

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

.site-title a:hover {
  color: var(--accent);
}

nav {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

nav a {
  color: #333;
  text-decoration: none;
  margin-right: 1.4rem;
}

nav a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

nav a.active {
  color: var(--accent);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 1px;
}

/* ── Home intro ── */

.home-intro {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.home-intro p {
  margin: 0;
}

/* ── Section heading ── */

.section-heading {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

/* ── Post list ── */

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.post-list li:first-child {
  padding-top: 0;
}

.post-meta {
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0 0 0.2rem;
}

.post-title {
  font-size: 1.1rem;
  font-weight: bold;
  margin: 0 0 0.35rem;
  line-height: 1.3;
}

.post-title a {
  color: #000;
  text-decoration: none;
}

.post-title a:hover {
  color: var(--accent);
}

.post-excerpt {
  margin: 0;
  font-size: 0.92rem;
  color: #333;
}

/* ── Posts page: year grouping ── */

.year-group {
  margin-top: 2rem;
}

.year-heading {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}

/* ── Individual post ── */

article.single h1 {
  font-size: 1.7rem;
  line-height: 1.25;
  margin: 0 0 0.4rem;
}

/* ── Footer ── */

footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2.5rem;
}

footer a {
  color: var(--muted);
}

footer a:hover {
  color: var(--accent);
}