/* ── Tokens ── */
:root {
  --bg: #FDFDFC;
  --text: #1A1A18;
  --text-secondary: #6B6B66;
  --accent: #3D6B50;
  --accent-hover: #2A4D38;
  --accent-light: #EDF4EF;
  --border: #E4E4DF;
  --surface: #F5F5F2;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --max-width: 680px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Header ── */
.site-header {
  padding: var(--space-md) 0;
  margin-bottom: var(--space-lg);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.site-nav {
  display: flex;
  gap: var(--space-sm);
  margin-left: auto;
}

.site-nav a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 4px 0;
  transition: color 0.15s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s;
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
h3 { font-size: 1.1rem; margin-top: var(--space-md); margin-bottom: var(--space-xs); }

p { margin-bottom: var(--space-sm); }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s;
}

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

/* ── Home ── */
.home-intro {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.home-intro h1 {
  font-size: 2.4rem;
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}

.home-tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-md) !important;
}

.home-bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 580px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.section-link {
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-secondary);
}

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

.home-section {
  margin-bottom: var(--space-xl);
}

/* ── Page header ── */
.page-header {
  margin-bottom: var(--space-lg);
}

.page-header h1 {
  margin-bottom: var(--space-xs);
}

.page-header .tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ── Post list ── */
.post-list {
  list-style: none;
}

.post-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.post-item:first-child {
  border-top: 1px solid var(--border);
}

.post-item a {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
}

.post-item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.15s;
}

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

.post-item-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.post-item-summary {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ── Single post ── */
.post-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.post-content {
  font-size: 0.97rem;
  line-height: 1.75;
}

.post-content ul, .post-content ol {
  padding-left: 1.3em;
  margin-bottom: var(--space-sm);
}

.post-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.post-content li a {
  font-weight: 500;
}

.post-content blockquote {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-sm);
  margin: var(--space-md) 0;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.02rem;
}

.post-content strong {
  font-weight: 600;
  color: var(--text);
}

/* ── Articles of the Week: week card ── */
.week-card {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.week-card:last-child {
  border-bottom: none;
}

.week-date {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 8px;
}

.week-links {
  list-style: none;
}

.week-links li {
  padding: 5px 0;
  line-height: 1.55;
}

.week-links li a {
  font-weight: 500;
}

.week-links .link-note {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
}

.pagination a, .pagination .current {
  padding: 4px 10px;
  border-radius: 4px;
  text-decoration: none;
}

.pagination .current {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

/* ── Footer ── */
.site-footer {
  margin-top: var(--space-xl);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--border);
}

.site-footer p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ── Mobile ── */
@media (max-width: 640px) {
  html { font-size: 16px; }

  .site-header .container {
    flex-wrap: nowrap;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    z-index: 10;
  }

  .site-nav.open { display: flex; }
  .site-header { position: relative; }
  .nav-toggle { display: flex; }

  h1 { font-size: 1.7rem; }
  .home-intro h1 { font-size: 2rem; }

  .post-item a {
    flex-direction: column;
    gap: 2px;
  }
}