/* =============================================================
   AIIQLabs Ghost Theme — The IQ Feed
   ============================================================= */

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --bg:       #0a0c10;
  --surface:  #111318;
  --surface2: #181c24;
  --border:   #1e2430;
  --accent:   #f0a500;
  --accent2:  #3b82f6;
  --accent3:  #10b981;
  --text:     #e8e6e1;
  --muted:    #6b7280;
  --radius:   8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Crimson Pro', Georgia, serif;
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── Logo ──────────────────────────────────────────────────── */
.site-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  line-height: 1;
  user-select: none;
}
.logo-wrap {
  display: inline-flex;
  align-items: center;
}
.logo-bracket,
.logo-ai,
.logo-iq,
.logo-labs {
  font-family: Impact, 'Arial Narrow', 'Arial Black', sans-serif;
  font-weight: 400;
  font-size: 22px;
  line-height: 1;
}
.logo-bracket { color: var(--text); }
.logo-ai      { color: var(--accent); }
.logo-iq      { color: var(--text); }
.logo-labs    { color: var(--text); margin-left: 6px; }
.logo-divider { color: var(--muted); margin: 0 10px; font-family: 'Crimson Pro', serif; font-weight: 300; font-size: 20px; }
.logo-feed    { font-family: 'Crimson Pro', Georgia, serif; font-size: 16px; font-weight: 300; color: var(--muted); letter-spacing: 0.02em; font-style: italic; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-nav-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 4px;
}
/* Nav pills */
.nav-courses {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 4px;
  border: none;
  background: none;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
}
.nav-pill:hover, .nav-pill-btn:hover { color: var(--text); background: var(--surface2); }
.nav-pill-blog { color: var(--accent2); }
.nav-pill-blog:hover { color: var(--accent2); background: rgba(59,130,246,0.08); }
.nav-chevron { font-size: 10px; opacity: 0.6; transition: transform 0.2s; }
.nav-pill-btn.open .nav-chevron { transform: rotate(180deg); }

/* Dropdowns */
.nav-dropdown-wrap {
  position: relative;
}
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-width: 280px;
  z-index: 200;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.nav-dropdown-wrap.open .nav-dropdown { display: block; }
.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-dropdown-item:hover { background: var(--surface2); }
.nav-dropdown-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.nav-dropdown-label { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.nav-dropdown-desc { font-size: 13px; color: var(--muted); line-height: 1.4; }

/* Subscribe button */
.nav-subscribe-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--accent);
  color: #0a0c10;
  padding: 7px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  margin-left: 8px;
  transition: opacity 0.2s;
}
.nav-subscribe-btn:hover { opacity: 0.88; }

/* Subscribe popover */
.nav-subscribe-wrap { position: relative; margin-left: 8px; }
.nav-subscribe-popover {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 8px;
  padding: 20px;
  width: 300px;
  z-index: 200;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.nav-subscribe-popover.open { display: block; }
.nav-subscribe-popover-title {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}
.nav-subscribe-popover-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.5;
}
.nav-subscribe-popover-form { display: flex; flex-direction: column; gap: 8px; }
.nav-subscribe-popover-form input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 4px;
  font-family: 'Crimson Pro', serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.nav-subscribe-popover-form input:focus { border-color: var(--accent); }
.nav-subscribe-popover-form input::placeholder { color: var(--muted); }
.nav-subscribe-popover-form button {
  background: var(--accent);
  color: #0a0c10;
  border: none;
  padding: 10px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s;
}
.nav-subscribe-popover-form button:hover { opacity: 0.88; }
.nav-subscribe-popover-form .loading-content,
.nav-subscribe-popover-form .success-content,
.nav-subscribe-popover-form .error-content { display: none; }
.nav-subscribe-popover-form.loading .default-content,
.nav-subscribe-popover-form.success .default-content,
.nav-subscribe-popover-form.error .default-content { display: none; }
.nav-subscribe-popover-form.loading .loading-content { display: inline; }
.nav-subscribe-popover-form.success .success-content { display: inline; }
.nav-subscribe-popover-form.error .error-content { display: inline; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  position: absolute;
  top: 64px; left: 0; right: 0;
  z-index: 99;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.nav-drawer.open { display: block; }
.nav-drawer-section { margin-bottom: 20px; }
.nav-drawer-group-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.nav-drawer-link {
  display: block;
  padding: 9px 8px;
  color: var(--muted);
  font-size: 15px;
  border-radius: 4px;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-drawer-link:hover { color: var(--text); background: var(--surface2); }

/* ── Hero (home) ────────────────────────────────────────────── */
.home-hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(240,165,0,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.home-hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: 15%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.04) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.home-hero-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
  width: 100%;
}
.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 24px;
}
.home-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text);
}
.home-title em {
  font-style: italic;
  color: var(--accent);
}
.home-subtitle {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 36px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0c10;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: 4px;
  transition: opacity 0.2s, transform 0.2s;
}
.hero-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* ── Subscribe banner ───────────────────────────────────────── */
.subscribe-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 32px 48px;
}
.subscribe-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.subscribe-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(240,165,0,0.3);
  padding: 3px 10px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 8px;
}
.subscribe-text h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.subscribe-text p { color: var(--muted); font-size: 15px; }
.subscribe-form {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.subscribe-email {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 4px;
  font-family: 'Crimson Pro', serif;
  font-size: 16px;
  width: 240px;
  outline: none;
  transition: border-color 0.2s;
}
.subscribe-email:focus { border-color: var(--accent); }
.subscribe-email::placeholder { color: var(--muted); }
.subscribe-btn {
  background: var(--accent);
  color: #0a0c10;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.subscribe-btn:hover { opacity: 0.88; }
.subscribe-form .loading-content,
.subscribe-form .success-content,
.subscribe-form .error-content { display: none; }
.subscribe-form.loading .default-content,
.subscribe-form.success .default-content,
.subscribe-form.error .default-content { display: none; }
.subscribe-form.loading .loading-content { display: inline; }
.subscribe-form.success .success-content { display: inline; }
.subscribe-form.error .error-content { display: inline; }

/* ── Posts layout ───────────────────────────────────────────── */
.home-posts, .tag-posts { padding: 64px 0; }
.posts-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.posts-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
}
.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(240,165,0,0.06);
}

/* ── Post grid ──────────────────────────────────────────────── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.post-grid--featured {
  grid-template-columns: 1fr;
  margin-bottom: 56px;
}
.featured-posts { margin-bottom: 16px; }

/* ── Post card ──────────────────────────────────────────────── */
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}
.post-card:hover {
  border-color: rgba(240,165,0,0.3);
  transform: translateY(-2px);
}
.post-card.featured {
  flex-direction: row;
  border-top: 3px solid var(--accent);
}
.post-card-image-link { display: block; overflow: hidden; }
.post-card.featured .post-card-image-link { flex: 0 0 42%; }
.post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card.featured .post-card-image { height: 100%; }
.post-card:hover .post-card-image { transform: scale(1.03); }
.post-card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.post-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  background: rgba(59,130,246,0.1);
  padding: 3px 8px;
  border-radius: 3px;
}
.post-card-featured-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240,165,0,0.1);
  border: 1px solid rgba(240,165,0,0.2);
  padding: 2px 8px;
  border-radius: 3px;
}
.post-card-content-link { display: block; flex: 1; }
.post-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--text);
  transition: color 0.2s;
}
.post-card:hover .post-card-title { color: var(--accent); }
.post-card.featured .post-card-title { font-size: 26px; }
.post-card-excerpt {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.post-card-author { font-size: 13px; color: var(--muted); }
.post-card-footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}
.post-card-date { color: var(--muted); }
.post-card-reading-time::before { content: '·'; margin-right: 8px; }

/* ── Pagination ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 0;
}
.pagination a, .pagination .page-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); background: rgba(240,165,0,0.06); }

/* ── Tag header ─────────────────────────────────────────────── */
.tag-header {
  border-bottom: 1px solid var(--border);
  padding: 64px 0 48px;
  background: var(--surface);
}
.tag-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}
.tag-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  margin: 12px 0 12px;
}
.tag-description { color: var(--muted); font-size: 17px; margin-bottom: 12px; }
.tag-count { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); }

/* ── Single post ────────────────────────────────────────────── */
.post-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.post-header::before {
  content: '';
  position: absolute;
  top: -200px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(240,165,0,0.05) 0%, transparent 65%);
  pointer-events: none;
}
.post-header-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.post-header-inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 48px 56px;
}
.post-meta-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.post-primary-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  background: rgba(59,130,246,0.1);
  padding: 4px 10px;
  border-radius: 3px;
}
.post-access-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 3px;
}
.access-members { background: rgba(240,165,0,0.1); color: var(--accent); border: 1px solid rgba(240,165,0,0.2); }
.access-paid    { background: rgba(16,185,129,0.1); color: var(--accent3); border: 1px solid rgba(16,185,129,0.2); }
.access-public  { background: rgba(107,114,128,0.1); color: var(--muted); }
.post-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
}
.post-excerpt {
  font-size: 19px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 28px;
  font-style: italic;
}
.post-byline {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.post-author { display: flex; align-items: center; gap: 10px; }
.author-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.author-avatar-placeholder {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface2);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
}
.author-name { font-size: 14px; font-weight: 600; }
.post-byline-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
}
.byline-dot { opacity: 0.4; }

/* ── Feature image ──────────────────────────────────────────── */
.post-feature-image {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 48px;
}
.post-feature-image img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.post-feature-image figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 10px;
  font-style: italic;
}

/* ── Post body wrapper ──────────────────────────────────────── */
.post-body-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 48px 80px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}
.post-body { min-width: 0; }

/* ── Post content typography ────────────────────────────────── */
.post-content { font-size: 18px; line-height: 1.8; color: var(--text); }
.post-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: 28px; font-weight: 700;
  margin: 48px 0 16px;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}
.post-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-weight: 700;
  margin: 36px 0 12px;
  color: var(--text);
}
.post-content h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent2);
  margin: 28px 0 10px;
}
.post-content p { margin-bottom: 22px; }
.post-content a { color: var(--accent2); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover { color: var(--accent); }
.post-content strong { color: var(--text); font-weight: 600; }
.post-content em { font-style: italic; color: var(--text); }
.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--muted);
}
.post-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--accent3);
}
.post-content pre {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.6;
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: var(--text);
}
.post-content ul, .post-content ol {
  padding-left: 24px;
  margin-bottom: 22px;
}
.post-content li { margin-bottom: 8px; }
.post-content img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 28px 0;
  width: 100%;
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.post-content th {
  background: var(--surface2);
  padding: 10px 16px;
  text-align: left;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.post-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

/* Content preview (gated) */
.post-content--preview {
  max-height: 400px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

/* ── Paywall ────────────────────────────────────────────────── */
.paywall {
  margin: 40px 0;
  padding: 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  text-align: center;
}
.paywall-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(240,165,0,0.3);
  padding: 4px 12px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 16px;
}
.paywall h3 {
  font-family: 'Playfair Display', serif;
  font-size: 26px; font-weight: 700;
  margin-bottom: 10px;
}
.paywall p { color: var(--muted); font-size: 16px; max-width: 400px; margin: 0 auto 28px; }
.paywall-form {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto 12px;
}
.paywall-form input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 16px;
  font-family: 'Crimson Pro', serif;
  outline: none;
}
.paywall-form input:focus { border-color: var(--accent); }
.paywall-form input::placeholder { color: var(--muted); }
.paywall-form button {
  background: var(--accent);
  color: #0a0c10;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.paywall-form button:hover { opacity: 0.88; }
.paywall-signin { font-size: 14px; color: var(--muted); }
.paywall-signin a { color: var(--accent2); text-decoration: underline; }

/* ── Post footer ────────────────────────────────────────────── */
.post-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.post-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 4px;
  transition: all 0.2s;
}
.post-tag:hover { color: var(--accent); border-color: rgba(240,165,0,0.3); }
.post-share { display: flex; align-items: center; gap: 8px; }
.post-share-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.share-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  transition: all 0.2s;
}
.share-btn:hover { color: var(--text); border-color: var(--accent); }

/* ── Sidebar ────────────────────────────────────────────────── */
.post-sidebar { position: relative; }
.sidebar-sticky { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-subscribe {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
}
.sidebar-subscribe-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.sidebar-subscribe h4 {
  font-family: 'Playfair Display', serif;
  font-size: 17px; font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}
.sidebar-form { display: flex; flex-direction: column; gap: 8px; }
.sidebar-form input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 4px;
  font-size: 15px;
  font-family: 'Crimson Pro', serif;
  outline: none;
  transition: border-color 0.2s;
}
.sidebar-form input:focus { border-color: var(--accent); }
.sidebar-form input::placeholder { color: var(--muted); }
.sidebar-form button {
  background: var(--accent);
  color: #0a0c10;
  border: none;
  padding: 9px 16px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s;
}
.sidebar-form button:hover { opacity: 0.88; }
.sidebar-section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.sidebar-tags { display: flex; flex-direction: column; gap: 6px; }
.sidebar-tag {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.sidebar-tag:hover { color: var(--accent2); background: rgba(59,130,246,0.08); border-color: rgba(59,130,246,0.2); }

/* ── Related posts ──────────────────────────────────────────── */
.related-posts {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 64px 0;
}
.related-posts-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: #0a0c10;
  position: relative;
  overflow: hidden;
  margin-top: auto;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
}
.footer-glow {
  position: absolute;
  top: -120px; right: -80px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(240,165,0,0.04) 0%, transparent 65%);
  pointer-events: none;
}
.footer-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.footer-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 60px 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/* Left — brand */
.footer-brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.footer-brand-name span { color: var(--accent); }
.footer-brand-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}
/* Center — logo */
.footer-center .site-logo-link { display: inline-flex; }
.footer-center .logo-bracket,
.footer-center .logo-ai,
.footer-center .logo-iq,
.footer-center .logo-labs { font-size: 22px; }
/* Right — links */
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.footer-right a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-right a:hover { color: var(--text); }
/* Bottom bar */
.footer-bottom {
  position: relative;
  border-top: 1px solid var(--border);
  padding: 16px 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}
.footer-bottom p,
.footer-bottom span,
.footer-copyright,
.footer-ghost {
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 11px !important;
  color: #4b5563 !important;
  white-space: nowrap;
  margin: 0;
}
.footer-ghost a { color: #4b5563 !important; text-decoration: none; transition: color 0.2s; }
.footer-ghost a:hover { color: var(--muted) !important; }

/* ── Error page ─────────────────────────────────────────────── */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.error-inner { text-align: center; }
.error-code {
  font-family: 'Playfair Display', serif;
  font-size: 120px;
  font-weight: 900;
  color: var(--surface2);
  display: block;
  line-height: 1;
  margin-bottom: 16px;
}
.error-title {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  margin-bottom: 12px;
}
.error-message { color: var(--muted); font-size: 16px; margin-bottom: 28px; }
.error-home-btn {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: all 0.2s;
}
.error-home-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── kg-width helpers (required by GScan) ───────────────────── */
.kg-width-wide {
  position: relative;
  width: 85vw;
  min-width: 100%;
  margin: 0 auto;
  transform: translateX(calc(50% - 50vw * 0.85));
}
.kg-width-full {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}
.kg-width-full img, .kg-width-wide img { width: 100%; }

/* ── Ghost card styles ──────────────────────────────────────── */
.kg-card { margin: 28px 0; }
.kg-image-card img { border-radius: var(--radius); }
.kg-gallery-card { margin: 28px 0; }
.kg-bookmark-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.kg-bookmark-container { display: flex; text-decoration: none; color: inherit; }
.kg-bookmark-content { padding: 16px 20px; flex: 1; }
.kg-bookmark-title { font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.kg-bookmark-description { font-size: 13px; color: var(--muted); }
.kg-bookmark-thumbnail img { width: 160px; object-fit: cover; }
.kg-callout-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.kg-callout-emoji { font-size: 22px; flex-shrink: 0; }
.kg-toggle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.kg-toggle-heading {
  padding: 14px 20px;
  cursor: pointer;
  display: flex; justify-content: space-between;
  font-weight: 600;
}
.kg-toggle-content { padding: 14px 20px; border-top: 1px solid var(--border); }
.kg-video-card video { width: 100%; border-radius: var(--radius); }
.kg-audio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex; gap: 12px; align-items: center;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .post-body-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .post-sidebar { display: none; }
}

@media (max-width: 900px) {
  .nav-courses { display: none; }
  .nav-subscribe-btn { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 768px) {
  .site-nav-wrap { padding: 0 24px; }
  .home-hero-inner { padding: 56px 24px; }
  .subscribe-banner { padding: 28px 24px; }
  .subscribe-banner-inner { flex-direction: column; }
  .subscribe-form { flex-direction: column; }
  .subscribe-email { width: 100%; }
  .posts-inner { padding: 0 24px; }
  .post-grid { grid-template-columns: 1fr; }
  .post-card.featured { flex-direction: column; }
  .post-header-inner { padding: 40px 24px 36px; }
  .post-feature-image { padding: 0 24px; margin: 28px auto; }
  .post-body-wrapper { padding: 32px 24px 60px; }
  .footer-inner { flex-direction: column; gap: 32px; padding: 40px 24px 40px; text-align: center; }
  .footer-right { align-items: center; flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .footer-bottom { padding: 16px 24px; flex-wrap: wrap; justify-content: center; gap: 8px; }
  .related-posts-inner { padding: 0 24px; }
  .tag-header-inner { padding: 0 24px; }
}