@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=IBM+Plex+Mono:wght@400;500&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;1,8..60,300&display=swap');

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --bg:        #f7f4ef;
  --bg-card:   #ffffff;
  --ink:       #1a1714;
  --ink-muted: #6b6560;
  --accent:    #b5271e;
  --accent-2:  #1a3a5c;
  --border:    #d9d4cc;
  --tag-article:    #1a3a5c;
  --tag-image:      #2d6a4f;
  --tag-commentary: #7b3f00;
  --tag-tijdlijn:   #5b2d8e;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Serif 4', Georgia, serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --radius: 2px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

/* ─── Header ────────────────────────────────────────────────── */
.site-header {
  background: var(--ink);
  color: #f7f4ef;
  padding: 0;
  border-bottom: 3px solid var(--accent);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 2rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1rem;
}

.site-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #f7f4ef;
  text-decoration: none;
}

.site-title span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.lang-switcher a {
  color: #f7f4ef;
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(247,244,239,0.3);
  transition: all 0.15s;
}

.lang-switcher a:hover,
.lang-switcher a.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ─── Nav ───────────────────────────────────────────────────── */
.site-nav {
  background: #252220;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 0;
}

.site-nav a {
  color: rgba(247,244,239,0.75);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 1.2rem;
  display: block;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.site-nav a:hover,
.site-nav a.active {
  color: #fff;
  border-bottom-color: var(--accent);
}

/* ─── Hero banner ───────────────────────────────────────────── */
.site-hero {
  background: var(--accent-2);
  color: #f7f4ef;
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.hero-inner p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(247,244,239,0.85);
}

.hero-inner p + p { margin-top: 0.75rem; }

/* ─── Main layout ───────────────────────────────────────────── */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
}

@media (max-width: 768px) {
  .page-wrap { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 1rem; }
  .header-inner { grid-template-columns: 1fr; }
}

/* ─── Section label ─────────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.75rem;
}

/* ─── Post cards ────────────────────────────────────────────── */
.post-list { display: flex; flex-direction: column; gap: 1.5rem; }

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow);
  transition: border-left-color 0.15s, transform 0.15s;
}

.post-card:hover { transform: translateX(2px); }
.post-card[data-type="article"]    { border-left-color: var(--tag-article); }
.post-card[data-type="image"]      { border-left-color: var(--tag-image); }
.post-card[data-type="commentary"] { border-left-color: var(--tag-commentary); }
.post-card[data-type="tijdlijn"]   { border-left-color: var(--tag-tijdlijn); }

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.post-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius);
  color: #fff;
}

.post-type.article    { background: var(--tag-article); }
.post-type.image      { background: var(--tag-image); }
.post-type.commentary { background: var(--tag-commentary); }
.post-type.tijdlijn   { background: var(--tag-tijdlijn); }

.post-card h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.post-card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card h2 a:hover { color: var(--accent); }

.post-excerpt {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.65;
}

.post-source {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.post-source a { color: var(--accent-2); }

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar { display: flex; flex-direction: column; gap: 2rem; }

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.sidebar-box h3 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.filter-list { list-style: none; }

.filter-list li + li { border-top: 1px solid var(--border); }

.filter-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.12s;
}

.filter-list a:hover { color: var(--accent); }

.filter-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-item {
  text-align: center;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.3rem;
}

/* ─── Post page ─────────────────────────────────────────────── */
.post-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.post-header {
  border-bottom: 2px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.post-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0.75rem;
}

.post-body { font-size: 1rem; line-height: 1.85; }
.post-body p + p { margin-top: 1.2rem; }
.post-body h2 { font-family: var(--font-display); font-size: 1.4rem; margin: 2rem 0 0.75rem; }
.post-body h3 { font-family: var(--font-display); font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: rgba(181,39,30,0.05);
  font-style: italic;
}
.post-body img { max-width: 100%; border: 1px solid var(--border); margin: 1.5rem 0; }
.post-body a { color: var(--accent-2); }

.external-link-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-2);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-decoration: none;
}

.back-link:hover { color: var(--accent); }

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  color: rgba(247,244,239,0.5);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  margin-top: 4rem;
  text-align: center;
}

/* ─── Utilities ─────────────────────────────────────────────── */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }