/* =============================================================================
   KHI Research Theme — screen.css
   Light editorial design — clean, human, readable. Inspired by Medium & Substack.
   ============================================================================= */

/* === Design Tokens === */
:root {
  --bg:           #ffffff;
  --bg-warm:      #faf9f7;
  --bg-subtle:    #f4f3f0;
  --bg-muted:     #eeede9;

  --text:         #1a1a1a;
  --text-mid:     #4a4a4a;
  --text-muted:   #767676;
  --text-subtle:  #a0a0a0;
  --text-invert:  #ffffff;

  --accent:       #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: #eef2ff;

  --border:       #e8e7e3;
  --border-mid:   #d4d2cc;
  --color-secondary-text: var(--text-muted);
  --color-border:         var(--border);

  --shadow-sm:    0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:    0 2px 10px rgba(0,0,0,0.07);
  --shadow-lg:    0 6px 24px rgba(0,0,0,0.09);

  --font-ui:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif:   'Lora', Georgia, 'Times New Roman', serif;

  --max-w:        1200px;
  --max-w-article: 680px;
  --header-h:     60px;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;

  --t: 160ms ease;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* === Accessibility — screen-reader only skip link === */
.skip-to-content {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-to-content:focus {
  position: fixed;
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-md);
  z-index: 9999;
}

/* ============================================================================
   HEADER
   ============================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-logo { height: 44px; width: auto; max-width: 160px; object-fit: contain; }

.site-logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.header-nav { margin-left: auto; }

.nav-list { display: flex; align-items: center; gap: 2px; }

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  transition: color var(--t), background var(--t);
}
.nav-link:hover { color: var(--text); background: var(--bg-subtle); }
.nav-link.active { color: var(--text); background: var(--bg-subtle); }

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.header-signin-link { color: var(--text-mid); border: 1px solid var(--border); background: transparent; }
.header-signin-link:hover { color: var(--text); border-color: var(--text-mid); background: transparent; transform: none; }
.header-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition: color var(--t), background var(--t);
}
.header-search-btn:hover { color: var(--text); background: var(--bg-subtle); }
.header-subscribe-mobile { display: none; }

.site-header.is-scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 100px;
  transition: all var(--t);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--text-invert);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(99,102,241,0.28);
}
.btn-outline {
  background: transparent;
  color: var(--text-mid);
  border: 1.5px solid var(--border-mid);
}
.btn-outline:hover { border-color: var(--text-muted); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-muted); color: var(--text); }
.btn-sm { font-size: 13px; padding: 6px 16px; }
.btn-lg { font-size: 15px; padding: 12px 28px; }

/* Mobile */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--r-md);
}
.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--t);
}
.mobile-menu {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px 20px;
  box-shadow: var(--shadow-lg);
}
.mobile-menu[aria-hidden="false"] { display: block; }
.mobile-nav-list { display: flex; flex-direction: column; gap: 2px; }
.mobile-nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: var(--r-md);
  transition: all var(--t);
}
.mobile-nav-link:hover { background: var(--bg-subtle); color: var(--text); }
.mobile-nav-cta { color: var(--accent); font-weight: 600; margin-top: 8px; }
.mobile-nav-search-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* ============================================================================
   HOMEPAGE HERO — clean, editorial, no dark backgrounds
   ============================================================================ */
.site-hero {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  padding: 64px 24px 52px;
  text-align: center;
}

.hero-inner { max-width: 660px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.18);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5.5vw, 48px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 20px;
  font-family: var(--font-ui);
  letter-spacing: 0.01em;
}

.hero-description {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-mid);
  margin-bottom: 36px;
}

.hero-social-proof {
  font-size: 14px; color: var(--text-muted); margin-bottom: 24px;
  font-family: var(--font-ui);
}
.hero-social-proof strong { color: var(--text-mid); }

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-topic-pill {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  padding: 5px 14px;
  transition: color var(--t), border-color var(--t), background var(--t);
  white-space: nowrap;
}
.hero-topic-pill:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-light);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border);
  padding-top: 36px;
}

.hero-stat {
  flex: 1;
  max-width: 180px;
  text-align: center;
  padding: 0 28px;
}
.hero-stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  min-height: 1.4em;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.hero-stat-divider { width: 1px; height: 44px; background: var(--border); flex-shrink: 0; }
/* Remove the dark overlay entirely */
.hero-grid-overlay { display: none; }

/* ============================================================================
   FEATURED POST
   ============================================================================ */
.featured-section {
  padding: 56px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.featured-post {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow var(--t);
}
.featured-post:hover { box-shadow: var(--shadow-lg); }

.featured-post-image-link { display: block; }
.featured-post-image-wrapper { height: 100%; min-height: 300px; overflow: hidden; }
.featured-post-image {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.featured-post:hover .featured-post-image { transform: scale(1.03); }

.featured-post-content { padding: 44px 40px; }

.featured-post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }

.featured-post-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 14px;
  transition: color var(--t);
}
.featured-post-title-link:hover .featured-post-title { color: var(--accent); }

.featured-post-excerpt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 24px;
}

.featured-post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ============================================================================
   POST GRID
   ============================================================================ */
.posts-section { padding: 40px 0 72px; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.section-count { font-size: 13px; color: var(--text-muted); }

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.post-grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ============================================================================
   POST CARD — clean, warm, human
   ============================================================================ */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: box-shadow var(--t), transform var(--t);
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.post-card-image-link { display: block; overflow: hidden; }
.post-card-image-wrapper { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.post-card-image {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.post-card:hover .post-card-image { transform: scale(1.05); }

.post-card-featured-badge {
  position: absolute;
  top: 12px; right: 12px;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 600;
  padding: 4px 10px;
  background: rgba(255,255,255,0.9);
  color: var(--text-mid);
  border-radius: 100px;
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
}

.post-card-content {
  flex: 1;
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
}

.post-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.post-card-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: 100px;
  transition: background var(--t);
}
.post-card-tag:hover { background: rgba(99,102,241,0.14); }

.post-card-new-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--accent);
  padding: 3px 9px;
  border-radius: 100px;
}

.post-card-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 10px;
  transition: color var(--t);
}
.post-card-title-link:hover .post-card-title { color: var(--accent); }

.post-card-excerpt {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mid);
  margin-bottom: 16px;
  flex: 1;
}

.post-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.post-card-author {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-mid); font-weight: 500;
}
.post-card-author-avatar,
.article-author-avatar {
  width: 26px; height: 26px;
  border-radius: 50%; object-fit: cover;
  border: 1.5px solid var(--border);
}
.post-card-author-initial,
.article-author-avatar-placeholder {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 11px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.post-card-byline {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--text-muted); font-weight: 500;
}
.post-card-no-image .post-card-title { font-size: 19px; }

/* ============================================================================
   SUBSCRIBE SECTION
   ============================================================================ */
.subscribe-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
  overflow: hidden;
}
.subscribe-inner { max-width: 520px; margin: 0 auto; text-align: center; width: 100%; }

.subscribe-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent-light); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}
.subscribe-title {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 700;
  color: var(--text); margin-bottom: 10px;
}
.subscribe-subtitle {
  font-size: 16px; color: var(--text-mid);
  line-height: 1.65; margin-bottom: 32px;
}
.subscribe-form-row {
  display: flex; gap: 10px;
  max-width: 420px; margin: 0 auto 12px;
  width: 100%;
}
.subscribe-input {
  flex: 1;
  padding: 11px 18px;
  font-size: 14px;
  border: 1.5px solid var(--border-mid);
  border-radius: 100px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.subscribe-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.subscribe-input::placeholder { color: var(--text-subtle); }

.subscribe-btn {
  padding: 11px 22px;
  border-radius: 100px;
  background: var(--accent);
  color: white;
  font-size: 14px; font-weight: 600;
  font-family: var(--font-ui);
  transition: all var(--t);
  white-space: nowrap;
}
.subscribe-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.subscribe-btn-loading { display: none; }
.subscribe-btn.loading .subscribe-btn-text,
.is-loading .subscribe-btn .subscribe-btn-text { display: none; }
.subscribe-btn.loading .subscribe-btn-loading,
.is-loading .subscribe-btn .subscribe-btn-loading { display: inline-block; }
.subscribe-note { font-size: 12px; color: var(--text-subtle); display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.subscribe-sample-link { color: var(--accent); font-weight: 500; text-decoration: underline; text-underline-offset: 2px; white-space: nowrap; }
.subscribe-success { display: none; align-items: center; gap: 7px; justify-content: center; font-size: 14px; color: #16a34a; margin-top: 12px; }
.subscribe-error { display: none; font-size: 14px; color: #dc2626; margin-top: 12px; }
.subscribe-member-message {
  display: flex; align-items: center; gap: 10px;
  justify-content: center; font-size: 15px; color: #16a34a; font-weight: 500;
}

/* ============================================================================
   ARTICLE PAGE — the most important surface: readability first
   ============================================================================ */
.article-header {
  padding: 52px 0 28px;
}
.article-header-inner {
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 0 24px;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 38px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 18px;
}

.article-excerpt {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-mid);
  font-style: italic;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.article-byline { display: flex; flex-direction: column; gap: 4px; }
.article-author { display: flex; align-items: center; gap: 12px; }
.article-author-link { display: flex; }
.article-author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%; object-fit: cover;
  border: 2px solid var(--border);
}
.article-author-avatar-placeholder {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-light); color: var(--accent);
  font-size: 16px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.article-author-info { display: flex; flex-direction: column; gap: 1px; }
.article-author-name {
  font-size: 15px; font-weight: 600; color: var(--text);
}
.article-author-name:hover { color: var(--accent); }
.article-author-bio { font-size: 12px; color: var(--text-muted); }
.article-meta-right {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text-muted);
}
.article-meta-sep { color: var(--border-mid); }

/* Cover image */
.article-cover {
  max-width: 860px;
  margin: 32px auto 0;
  padding: 0 24px;
}
.article-cover-image {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
}
.article-cover-caption {
  text-align: center; font-size: 13px;
  color: var(--text-subtle); margin-top: 10px; font-style: italic;
}

/* Article body — the money shot */
.article-body-wrapper {
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 0 24px;
}
.article-body {
  padding: 40px 0 48px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.82;
  color: var(--text);
}

.gh-content h1, .gh-content h2, .gh-content h3,
.gh-content h4, .gh-content h5, .gh-content h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-top: 2em;
  margin-bottom: 0.65em;
}
.gh-content h2 { font-size: 24px; }
.gh-content h3 { font-size: 20px; }
.gh-content h4 { font-size: 17px; font-weight: 600; letter-spacing: 0.01em; color: var(--text-mid); }

.gh-content p { margin-bottom: 1.5em; }

.gh-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(99,102,241,0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--t);
}
.gh-content a:hover { text-decoration-color: var(--accent); }

.gh-content strong { font-weight: 700; }
.gh-content em { font-style: italic; }

.gh-content ul, .gh-content ol {
  padding-left: 1.8em;
  margin-bottom: 1.5em;
}
.gh-content ul { list-style: disc; }
.gh-content ol { list-style: decimal; }
.gh-content li { margin-bottom: 0.55em; }

.gh-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 24px;
  margin: 2em 0;
  color: var(--text-mid);
  font-style: italic;
  font-size: 20px;
  line-height: 1.6;
}

.gh-content pre {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 24px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 1.5em;
}
.gh-content code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 2px 6px;
}
.gh-content pre code { background: none; border: none; padding: 0; }

.gh-content figure { margin: 2em 0; }
.gh-content figure img {
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  width: 100%;
}
.gh-content figcaption {
  text-align: center; font-size: 13px;
  color: var(--text-subtle); margin-top: 10px;
  font-style: italic; font-family: var(--font-ui);
}
.gh-content hr {
  border: none; border-top: 1px solid var(--border);
  margin: 3em 0;
}
.gh-content table {
  width: 100%; border-collapse: collapse; margin-bottom: 1.5em;
  font-family: var(--font-ui); font-size: 15px;
}
.gh-content th, .gh-content td {
  padding: 10px 16px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.gh-content th { font-weight: 600; background: var(--bg-warm); }

/* Ghost card widths */
.kg-width-wide  { margin-left: -80px; margin-right: -80px; }
.kg-width-full  { margin-left: calc(50% - 50vw + 24px); margin-right: calc(50% - 50vw + 24px); }

/* Bookmark card */
.kg-bookmark-card {
  border: 1px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; margin-bottom: 1.5em;
}
.kg-bookmark-container { display: flex; text-decoration: none; color: inherit; }
.kg-bookmark-content { padding: 18px; flex: 1; }
.kg-bookmark-title { font-family: var(--font-ui); font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.kg-bookmark-description { font-family: var(--font-ui); font-size: 13px; color: var(--text-muted); }
.kg-bookmark-thumbnail { width: 160px; flex-shrink: 0; }
.kg-bookmark-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

/* Callout card */
.kg-callout-card {
  display: flex; gap: 14px;
  padding: 18px 22px; border-radius: var(--r-md);
  background: var(--bg-warm); border: 1px solid var(--border);
  margin-bottom: 1.5em; font-family: var(--font-ui); font-size: 15px;
}

/* Article footer */
.article-footer { padding: 28px 0 56px; }

.article-footer-tags {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--text-muted); font-family: var(--font-ui);
}
.article-footer-tags-label { font-weight: 600; margin-right: 4px; }

.article-share {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; font-family: var(--font-ui);
}
.article-share-label {
  font-size: 12px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.07em;
}
.share-btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 500;
  padding: 7px 16px; border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--text-mid); background: var(--bg);
  cursor: pointer; transition: all var(--t);
  font-family: var(--font-ui); text-decoration: none;
}
.share-btn:hover { border-color: var(--text-muted); color: var(--text); transform: translateY(-1px); }

/* Article subscribe CTA box */
.article-subscribe-cta {
  margin-top: 52px;
  padding: 40px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-align: center;
  font-family: var(--font-ui);
}
.article-subscribe-title {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 700;
  color: var(--text); margin-bottom: 8px;
}
.article-subscribe-desc {
  font-size: 15px; color: var(--text-mid); margin-bottom: 24px; line-height: 1.6;
}
.article-subscribe-box .subscribe-form-row { margin: 0 auto 10px; }
.article-subscribe-member {
  display: flex; align-items: center; gap: 10px;
  justify-content: center; font-size: 15px; color: #16a34a; font-weight: 500;
}

/* ============================================================================
   RELATED POSTS
   ============================================================================ */
.related-posts {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
  margin-top: 0;
}
.related-posts-title {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 700;
  color: var(--text); margin-bottom: 28px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border);
}

/* ============================================================================
   PAGINATION
   ============================================================================ */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 12px; padding: 40px 0 0; font-family: var(--font-ui);
}
.pagination-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500;
  padding: 8px 20px; border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--text-mid); transition: all var(--t);
}
.pagination-btn:hover { border-color: var(--accent); color: var(--accent); }
.pagination-count { font-size: 13px; color: var(--text-muted); padding: 0 8px; }

/* ============================================================================
   TAG & AUTHOR PAGES
   ============================================================================ */
.page-header {
  padding: 56px 24px 48px; text-align: center;
  background: var(--bg-warm); border-bottom: 1px solid var(--border);
}
.page-header-cover {
  width: 72px; height: 72px; border-radius: var(--r-lg);
  object-fit: cover; margin: 0 auto 16px; border: 2px solid var(--border);
}
.page-header-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 16px;
  border: 3px solid var(--border);
}
.page-header-title {
  font-family: var(--font-serif);
  font-size: 30px; font-weight: 700; color: var(--text); margin-bottom: 10px;
}
.page-header-desc {
  font-size: 16px; color: var(--text-mid);
  max-width: 460px; margin: 0 auto; line-height: 1.65;
}
.page-header-meta {
  display: flex; gap: 20px; justify-content: center;
  margin-top: 14px; font-size: 13px; color: var(--text-muted);
}
.page-header-social { display: flex; gap: 12px; justify-content: center; margin-top: 14px; }
.social-link { color: var(--text-muted); padding: 6px; border-radius: var(--r-sm); transition: color var(--t); }
.social-link:hover { color: var(--accent); }

/* ── Taxonomy Header (tag.hbs, author.hbs) ──────────────────────────────── */
.taxonomy-header {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.taxonomy-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.taxonomy-cover {
  height: 200px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
}
.taxonomy-meta {
  padding: 40px 24px 44px;
  text-align: center;
}
.taxonomy-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.taxonomy-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}
.taxonomy-description {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 12px;
}
.taxonomy-count {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  margin: 0;
}

/* ── Author Profile (author.hbs) ─────────────────────────────────────────── */
.author-profile {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  text-align: left;
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 24px 44px;
}
.author-profile-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  flex-shrink: 0;
}
.author-profile-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.author-profile-info {
  flex: 1;
  min-width: 0;
}
.author-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.author-social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 5px 14px;
  transition: color var(--t), border-color var(--t);
  font-family: var(--font-ui);
}
.author-social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
@media (max-width: 600px) {
  .author-profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px 36px;
  }
  .author-social {
    justify-content: center;
  }
}


/* ============================================================================
   STATIC PAGE
   ============================================================================ */
.page-content-wrapper {
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 52px 24px 80px;
}
.page-title {
  font-family: var(--font-serif);
  font-size: 34px; font-weight: 700;
  color: var(--text); margin-bottom: 32px;
  padding-bottom: 28px; border-bottom: 1px solid var(--border);
}
.page-body {
  font-family: var(--font-ui); font-size: 16px;
  line-height: 1.8; color: var(--text-mid);
}
.page-body h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--text); margin: 2em 0 0.6em; }
.page-body h3 { font-family: var(--font-serif); font-size: 19px; font-weight: 600; color: var(--text); margin: 1.6em 0 0.5em; }
.page-body p { margin-bottom: 1.4em; }
.page-body a { color: var(--accent); text-decoration: underline; }
.page-body ul, .page-body ol { padding-left: 1.8em; margin-bottom: 1.4em; }
.page-body ul { list-style: disc; }
.page-body ol { list-style: decimal; }
.page-body li { margin-bottom: 0.5em; }

/* ============================================================================
   ERROR PAGE
   ============================================================================ */
.error-page {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: calc(100vh - var(--header-h) - 120px);
  text-align: center; padding: 48px 24px; font-family: var(--font-ui);
}
.error-code {
  font-family: var(--font-serif);
  font-size: 96px; font-weight: 700;
  color: var(--bg-muted); line-height: 1; margin-bottom: 20px;
}
.error-title { font-size: 22px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.error-description { font-size: 16px; color: var(--text-muted); margin-bottom: 32px; max-width: 400px; line-height: 1.6; }

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  padding: 52px 24px 32px;
  font-family: var(--font-ui);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  gap: 48px;
  align-items: flex-start;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.footer-brand { flex: 0 0 auto; max-width: 260px; }
.footer-logo-link { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.footer-logo { height: 48px; width: auto; max-width: 160px; object-fit: contain; }
.footer-logo-text { font-size: 15px; font-weight: 700; color: var(--text); }
.footer-tagline { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.footer-links { display: flex; gap: 48px; flex: 1; justify-content: flex-end; flex-wrap: wrap; }
.footer-col { min-width: 120px; }
.footer-heading {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-subtle); margin-bottom: 14px;
}
.footer-nav { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 14px; color: var(--text-muted); transition: color var(--t); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom { padding: 0; }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-copyright { font-size: 13px; color: var(--text-subtle); }
.footer-legal-nav { display: flex; gap: 20px; }
.footer-legal-nav a { font-size: 13px; color: var(--text-subtle); transition: color var(--t); }
.footer-legal-nav a:hover { color: var(--accent); }

/* ============================================================================
   SPIN
   ============================================================================ */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 1024px) {
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .post-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .featured-post { grid-template-columns: 1fr; }
  .featured-post-content { padding: 28px; }
  .featured-post-image-wrapper { min-height: auto; aspect-ratio: 16/9; }
  .kg-width-wide { margin-left: 0; margin-right: 0; }
  .footer-inner { gap: 32px; }
  .footer-links { gap: 32px; }
}

@media (max-width: 768px) {
  .nav-list { display: none; }
  .mobile-menu-toggle { display: flex; }
  .header-actions .btn:not(.mobile-menu-toggle):not(.header-subscribe-mobile) { display: none; }
  .header-subscribe-mobile { display: inline-flex; font-size: 12px; padding: 5px 14px; }
  .post-grid { grid-template-columns: 1fr; }
  .post-grid-3 { grid-template-columns: 1fr; }
  .subscribe-form-row { flex-direction: column; }
  .subscribe-btn { width: 100%; justify-content: center; }
  .article-cover { padding: 0 24px; }
  .article-subscribe-cta { padding: 28px 20px; }
  .footer-inner { flex-direction: column; gap: 28px; }
  .footer-brand { max-width: 100%; }
  .footer-links { justify-content: flex-start; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .kg-width-full { margin-left: 0; margin-right: 0; }
  .article-meta { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero-stats {
    flex-direction: row;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .hero-stat {
    padding: 0 10px;
  }
  .hero-stat-number {
    font-size: 18px;
  }
  .hero-stat-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 30px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .section-header { flex-direction: column; gap: 4px; }
  .article-share { gap: 8px; }
  .article-title { font-size: 26px; }
}

/* ============================================================================
   GENERATE / PERSONALIZED RESEARCH PAGE
   ============================================================================ */
.generate-page { background: var(--bg); }

/* Hero */
.generate-hero {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--bg-warm) 100%);
  border-bottom: 1px solid var(--border);
  padding: 72px 24px 60px;
}
.generate-hero-inner {
  max-width: 680px; margin: 0 auto; text-align: center;
}
.generate-hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-light);
  border-radius: 100px; padding: 4px 14px; margin-bottom: 20px;
}
.generate-hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.75); }
}
.generate-hero-title {
  font-family: var(--font-serif); font-size: 40px; font-weight: 700;
  color: var(--text); margin: 0 0 16px; line-height: 1.2;
}
.generate-hero-subtitle {
  font-size: 17px; color: var(--text-mid); line-height: 1.7;
  max-width: 560px; margin: 0 auto 28px;
}
.generate-meta {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap;
}
.generate-meta-item {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--text-muted); font-family: var(--font-ui);
}
.generate-meta-sep { color: var(--border-mid); }

/* Form section */
.generate-form-section { padding: 56px 24px; }
.generate-form-inner { max-width: 720px; margin: 0 auto; }

.generate-step { margin-bottom: 40px; }
.generate-step-label {
  font-family: var(--font-ui); font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-subtle); margin-bottom: 16px;
}

/* Topic pills */
.generate-topic-grid {
  display: flex; flex-wrap: wrap; gap: 10px;
  min-height: 44px;
}
.generate-topic-loading {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text-muted);
}
.generate-topic-pill {
  font-family: var(--font-ui); font-size: 14px; font-weight: 500;
  color: var(--text-mid); background: var(--bg);
  border: 1.5px solid var(--border-mid); border-radius: 100px;
  padding: 8px 18px; cursor: pointer;
  transition: all var(--t);
}
.generate-topic-pill:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-light);
}
.generate-topic-pill.selected {
  background: var(--accent); color: white;
  border-color: var(--accent);
}

/* Custom input */
.generate-custom-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px; font-family: var(--font-ui);
  color: var(--text); background: var(--bg);
  border: 1.5px solid var(--border-mid); border-radius: var(--r-md);
  outline: none; transition: border-color var(--t), box-shadow var(--t);
}
.generate-custom-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}
.generate-custom-input::placeholder { color: var(--text-subtle); }
.generate-custom-hint {
  font-size: 12px; color: var(--text-subtle); margin-top: 7px;
}

/* Submit row */
.generate-submit-row {
  display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap; padding-top: 8px;
}
.generate-email-preview {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--text-muted);
  font-family: var(--font-ui); flex: 1; min-width: 0;
}
.generate-email-preview strong { color: var(--text-mid); }
.generate-btn { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.generate-btn:disabled {
  opacity: .45; cursor: not-allowed; transform: none !important;
}
.generate-btn-loading { display: inline-flex; align-items: center; gap: 8px; }

/* Status */
.generate-status {
  margin-top: 24px; padding: 16px 20px;
  border-radius: var(--r-md); font-size: 14px; line-height: 1.6;
  font-family: var(--font-ui);
}
.generate-status--success {
  background: #f0fdf4; border: 1px solid #bbf7d0; color: #15803d;
}
.generate-status--error {
  background: #fef2f2; border: 1px solid #fecaca; color: #dc2626;
}

/* How it works */
.generate-how {
  background: var(--bg-warm); border-top: 1px solid var(--border);
  padding: 64px 24px;
}
.generate-how-inner { max-width: 960px; margin: 0 auto; }
.generate-how-title {
  font-family: var(--font-serif); font-size: 24px; font-weight: 700;
  color: var(--text); margin-bottom: 40px; text-align: center;
}
.generate-steps-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.generate-step-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px 20px;
}
.generate-step-icon {
  font-family: var(--font-ui); font-size: 28px; font-weight: 800;
  color: var(--accent); opacity: .25; margin-bottom: 12px; line-height: 1;
}
.generate-step-card h3 {
  font-family: var(--font-ui); font-size: 15px; font-weight: 700;
  color: var(--text); margin-bottom: 8px;
}
.generate-step-card p {
  font-size: 13px; color: var(--text-muted); line-height: 1.65;
}

/* Non-member gate */
.generate-gate { padding: 96px 24px; }
.generate-gate-inner {
  max-width: 560px; margin: 0 auto; text-align: center;
}
.generate-gate-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--accent-light); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
}
.generate-gate-title {
  font-family: var(--font-serif); font-size: 32px; font-weight: 700;
  color: var(--text); margin-bottom: 16px; line-height: 1.25;
}
.generate-gate-desc {
  font-size: 16px; color: var(--text-mid); line-height: 1.7; margin-bottom: 12px;
}
.generate-gate-free {
  font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 32px;
}
.generate-gate-actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px;
}
.generate-gate-features {
  display: flex; flex-direction: column; gap: 10px;
  text-align: left; max-width: 320px; margin: 0 auto;
}
.generate-gate-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-mid); font-family: var(--font-ui);
}
.generate-gate-feature svg { color: #16a34a; flex-shrink: 0; }

/* Responsive */
@media (max-width: 768px) {
  .generate-hero-title { font-size: 28px; }
  .generate-steps-grid { grid-template-columns: 1fr 1fr; }
  .generate-submit-row { flex-direction: column; align-items: flex-start; }
  .generate-btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .generate-hero-title { font-size: 24px; }
  .generate-steps-grid { grid-template-columns: 1fr; }
  .generate-hero { padding: 48px 20px 40px; }
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── AI Disclosure Block ─────────────────────────────────────────────────── */
.khi-disclosure {
  margin: 0 0 2rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-light);
  border-radius: 0 6px 6px 0;
}
.khi-disclosure-inner {
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.khi-disclosure-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.khi-disclosure-text {
  font-size: 0.875rem;
  color: var(--color-secondary-text, #666);
  line-height: 1.5;
  margin: 0;
}
.khi-disclosure-link {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

/* ── Sources Section ─────────────────────────────────────────────────────── */
.khi-sources {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border, #e5e5e5);
}
.khi-sources-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary-text, #888);
  margin: 0 0 0.75rem;
}
.khi-sources-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.khi-sources-list li {
  font-size: 0.82rem;
  color: var(--color-secondary-text, #666);
  line-height: 1.5;
}
.khi-sources-list a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Reading Progress Bar ────────────────────────────────────────────────── */
.reading-progress {
  position: fixed;
  top: var(--header-h, 60px);
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, #818cf8 100%);
  z-index: 99;
  transition: width 80ms linear;
  pointer-events: none;
}

/* ── Giscus Comments ─────────────────────────────────────────────────────── */
.article-comments {
  max-width: var(--max-w-article, 680px);
  margin: 0 auto;
  padding: 48px 24px 0;
}
.article-comments-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
/* Match Ghost's giscus container width */
.giscus, .giscus-frame {
  width: 100% !important;
}

/* ── Footer AI Notice ────────────────────────────────────────────────────── */
.footer-ai-notice {
  background: var(--accent-light);
  border-top: 1px solid var(--border);
}
.footer-ai-notice-inner {
  max-width: var(--container-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 2rem;
}
.footer-ai-notice p {
  font-size: 0.78rem;
  color: var(--color-secondary-text, #888);
  text-align: center;
  margin: 0;
  line-height: 1.5;
}
.footer-ai-notice a {
  color: var(--accent);
  font-weight: 600;
}

/* ── Homepage Promo Banner ─────────────────────────────────────────────── */
.promo-banner {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}
.promo-banner-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.promo-carousel {
  flex: 1;
  min-width: 0;
  position: relative;
  min-height: 48px;
  display: flex;
  align-items: center;
}
.promo-slide {
  display: none;
  align-items: center;
  gap: 10px;
  width: 100%;
  animation: promo-fade 0.4s ease;
}
.promo-slide.active { display: flex; }
@keyframes promo-fade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.promo-eyebrow {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 4px;
  padding: 2px 7px;
}
.promo-text {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.5;
  margin: 0;
}
.promo-text strong { color: var(--text); }
.promo-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}
.promo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-mid);
  transition: background .2s;
}
.promo-dot.active { background: var(--accent); }
.promo-cta {
  flex-shrink: 0;
  font-size: 13px;
  padding: 9px 18px;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .promo-banner-inner { gap: 12px; }
  .promo-cta { width: 100%; text-align: center; }
  .promo-eyebrow { display: none; }
}

/* ── Custom Research Feature Carousel ─────────────────────────────────── */
.gen-carousel-section {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.gen-carousel-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 0 24px;
}
.gen-carousel { position: relative; }
.gen-slide {
  display: none;
  gap: 20px;
  align-items: flex-start;
  animation: gen-fade .35s ease;
}
.gen-slide.active { display: flex; }
@keyframes gen-fade {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.gen-slide-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--accent-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.gen-slide-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
}
.gen-slide-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
  margin: 0;
}
.gen-carousel-nav {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  align-items: center;
}
.gen-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--border-mid);
  padding: 0;
  transition: background .2s, transform .2s;
}
.gen-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}
@media (max-width: 480px) {
  .gen-slide { gap: 14px; }
  .gen-slide-icon { width: 42px; height: 42px; }
  .gen-slide-title { font-size: 15px; }
}


/* ============================================================================
   GHOST CARD OVERRIDES
   ============================================================================ */

/* Audio card — podcast player */
.kg-audio-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-warm);
  padding: 20px 24px;
  margin: 32px 0;
  font-family: var(--font-ui);
}
.kg-audio-card + .kg-audio-card { margin-top: 0; }
.kg-audio-card .kg-audio-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  font-family: var(--font-ui);
}
.kg-audio-card .kg-audio-player-container {
  display: flex;
  align-items: center;
  gap: 12px;
}
.kg-audio-card .kg-audio-play-icon,
.kg-audio-card .kg-audio-pause-icon {
  color: var(--accent);
}
.kg-audio-card .kg-audio-seek-slider {
  accent-color: var(--accent);
}
.kg-audio-card .kg-audio-playback-rate {
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 13px;
}
.kg-audio-card .kg-audio-duration,
.kg-audio-card .kg-audio-current-time {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text-muted);
}

/* Video card */
.kg-video-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 32px 0;
  background: #000;
}
.kg-video-card video {
  display: block;
  width: 100%;
  border-radius: var(--r-lg);
}

/* YouTube / embed card */
.kg-embed-card {
  margin: 32px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.kg-embed-card iframe {
  display: block;
  width: 100%;
  border-radius: var(--r-lg);
}

/* ============================================================================
   TABLE OF CONTENTS
   ============================================================================ */
.toc-wrapper {
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 0 24px;
}
.toc {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  margin: 0 auto 36px;
  font-family: var(--font-ui);
}
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.toc-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.toc-toggle {
  color: var(--text-muted);
  padding: 2px;
  border-radius: var(--r-sm);
  transition: color var(--t), transform var(--t);
}
.toc-toggle:hover { color: var(--text); }
.toc-toggle.collapsed { transform: rotate(180deg); }
.toc-list {
  list-style: decimal;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toc-list li { font-size: 14px; line-height: 1.5; }
.toc-list a {
  color: var(--text-mid);
  transition: color var(--t);
}
.toc-list a:hover { color: var(--accent); }
.toc-list a.active {
  color: var(--accent);
  font-weight: 600;
  padding-left: 8px;
  border-left: 2px solid var(--accent);
  margin-left: -10px;
}
.toc-list:not(.visible) { display: none; }
/* Hide TOC when no headings found */
.toc:empty, .toc.toc-empty { display: none; }
/* Hide TOC until JS confirms headings exist — prevents empty flash */
.toc:not(.toc-ready):not(.toc-empty) { visibility: hidden; }

/* ============================================================================
   DARK MODE
   ============================================================================ */

/* === Dark Mode Variables === */
[data-theme="dark"] {
  --bg:           #0f0f13;
  --bg-warm:      #13131a;
  --bg-subtle:    #1a1a24;
  --bg-muted:     #22222e;

  --text:         #e8e8f0;
  --text-mid:     #b0b0c0;
  --text-muted:   #787890;
  --text-subtle:  #505060;
  --text-invert:  #ffffff;

  --accent:       #818cf8;
  --accent-hover: #6366f1;
  --accent-light: #1e1e3a;

  --border:       #2a2a38;
  --border-mid:   #363648;

  --shadow-sm:    0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:    0 2px 10px rgba(0,0,0,0.4);
  --shadow-lg:    0 6px 24px rgba(0,0,0,0.5);
}

/* Respect OS preference when no manual override */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:           #0f0f13;
    --bg-warm:      #13131a;
    --bg-subtle:    #1a1a24;
    --bg-muted:     #22222e;
    --text:         #e8e8f0;
    --text-mid:     #b0b0c0;
    --text-muted:   #787890;
    --text-subtle:  #505060;
    --text-invert:  #ffffff;
    --accent:       #818cf8;
    --accent-hover: #6366f1;
    --accent-light: #1e1e3a;
    --border:       #2a2a38;
    --border-mid:   #363648;
    --shadow-sm:    0 1px 2px rgba(0,0,0,0.3);
    --shadow-md:    0 2px 10px rgba(0,0,0,0.4);
    --shadow-lg:    0 6px 24px rgba(0,0,0,0.5);
  }
}

/* Fix hardcoded colors that don't inherit from CSS variables */
[data-theme="dark"] .site-header {
  background: rgba(15,15,19,0.95);
}

/* === Theme Toggle Button === */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition: color var(--t), background var(--t);
}
.theme-toggle:hover { color: var(--text); background: var(--bg-subtle); }
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }

/* ============================================================================
   PRICING PAGE
   ============================================================================ */
.pricing-page { padding: 60px 24px 80px; }
.pricing-inner { max-width: 960px; margin: 0 auto; }

.pricing-header { text-align: center; margin-bottom: 60px; }
.pricing-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.pricing-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.2;
}
.pricing-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 72px;
}

.pricing-card {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  position: relative;
  font-family: var(--font-ui);
}
.pricing-card-featured {
  background: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
}
.pricing-card-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--text-invert);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier-name {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.pricing-price { margin-bottom: 12px; }
.pricing-amount {
  font-size: 40px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.pricing-period { font-size: 15px; color: var(--text-muted); margin-left: 2px; }
.pricing-description { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 24px; }

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  font-size: 14px;
  color: var(--text-mid);
  padding-left: 22px;
  position: relative;
  line-height: 1.5;
}
.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236366f1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center/contain;
}
.pricing-cta { width: 100%; justify-content: center; padding: 12px 24px; font-size: 15px; }

.pricing-faq { border-top: 1px solid var(--border); padding-top: 56px; }
.pricing-faq-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 36px;
  text-align: center;
}
.pricing-faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.pricing-faq-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  font-family: var(--font-ui);
}
.pricing-faq-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-faq-grid { grid-template-columns: 1fr; }
  .pricing-card { padding: 28px 24px; }
}

/* ============================================================================
   ON-DEMAND RESEARCH PAGE
   ============================================================================ */
.on-demand-page { padding: 60px 24px 80px; }
.on-demand-inner { max-width: 800px; margin: 0 auto; }

.on-demand-hero { text-align: center; margin-bottom: 48px; }
.on-demand-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.on-demand-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 20px;
}
.on-demand-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 32px;
}
.on-demand-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.on-demand-topics { margin-bottom: 72px; text-align: center; }
.on-demand-topics-label { font-family: var(--font-ui); font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.on-demand-topic-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.on-demand-pill {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text-mid);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
}

.on-demand-how { margin-bottom: 72px; }
.on-demand-section-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 36px;
  text-align: center;
}
.on-demand-steps { display: flex; flex-direction: column; gap: 32px; }
.on-demand-step { display: flex; gap: 24px; align-items: flex-start; }
.on-demand-step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.on-demand-step-content h3 {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.on-demand-step-content p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

.on-demand-cta-section { border-top: 1px solid var(--border); padding-top: 56px; }
.on-demand-cta-card {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px;
  text-align: center;
}
.on-demand-cta-card h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.on-demand-cta-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; max-width: 500px; margin: 0 auto 28px; }
.on-demand-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============================================================================
   INLINE SUBSCRIBE
   ============================================================================ */
.subscribe-inline {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-warm);
  padding: 40px 44px;
  margin: 56px 0 0;
  font-family: var(--font-ui);
  text-align: center;
}
.subscribe-inline-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.subscribe-inline-title {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  line-height: 1.35;
}
.subscribe-inline-fields {
  justify-content: center;
}
.subscribe-inline-fields {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.subscribe-inline-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px;
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  font-size: 14px;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color var(--t);
}
.subscribe-inline-input:focus { border-color: var(--accent); }
.subscribe-inline-success,
.subscribe-inline-error { font-size: 14px; margin-top: 10px; }
.subscribe-inline-success { color: #16a34a; }
.subscribe-inline-error { color: #dc2626; }

/* ============================================================================
   RESEARCH PROVENANCE
   ============================================================================ */
.provenance {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin: 48px 0 32px;
  font-family: var(--font-ui);
  overflow: hidden;
}
.provenance-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-warm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-mid);
  transition: background var(--t), color var(--t);
  text-align: left;
}
.provenance-toggle:hover { background: var(--bg-muted); color: var(--text); }
.provenance-toggle[aria-expanded="true"] { border-bottom: 1px solid var(--border); }
.provenance-toggle-inner { display: flex; align-items: center; gap: 8px; }
.provenance-chevron { transition: transform var(--t); flex-shrink: 0; }
.provenance-toggle[aria-expanded="true"] .provenance-chevron { transform: rotate(180deg); }
.provenance-body { padding: 20px 20px 24px; }
.provenance-intro { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.6; }
.provenance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.provenance-item { background: var(--bg-warm); border-radius: var(--r-md); padding: 12px 14px; }
.provenance-item-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.provenance-item-value { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.provenance-footer { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.provenance-link { color: var(--accent); }
.provenance-link:hover { text-decoration: underline; }
@media (max-width: 600px) { .provenance-grid { grid-template-columns: 1fr; } }

/* ============================================================================
   FORMAT SWITCHER
   ============================================================================ */
.format-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin: 0 auto 28px;
  max-width: var(--max-w-article);
  font-family: var(--font-ui);
  flex-wrap: wrap;
}
.format-switcher-label { font-size: 13px; color: var(--text-muted); }
.format-switcher-options { display: flex; gap: 8px; flex-wrap: wrap; }
.format-option {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 100px;
  transition: background var(--t), color var(--t);
}
.format-option:hover { background: var(--accent); color: var(--text-invert); }

/* ============================================================================
   RESEARCH LIBRARY PAGE
   ============================================================================ */
.library-page { padding: 60px 24px 80px; }
.library-inner { max-width: 860px; margin: 0 auto; }
.library-header { text-align: center; margin-bottom: 60px; }
.library-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.library-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.2;
}
.library-subtitle { font-size: 16px; color: var(--text-muted); max-width: 500px; margin: 0 auto; line-height: 1.7; }
.library-domains { display: flex; flex-direction: column; gap: 32px; margin-bottom: 64px; }
.library-domain {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  font-family: var(--font-ui);
}
.library-domain-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.library-domain-icon { font-size: 28px; flex-shrink: 0; line-height: 1; }
.library-domain-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.library-domain-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.library-subtopics { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.library-subtopic {
  font-size: 13px;
  color: var(--text-mid);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 100px;
  transition: border-color var(--t), color var(--t);
}
.library-subtopic:hover { border-color: var(--accent); color: var(--accent); }
.library-domain-cta { font-size: 14px; font-weight: 600; color: var(--accent); }
.library-domain-cta:hover { text-decoration: underline; }
.library-cta-section { text-align: center; padding-top: 40px; border-top: 1px solid var(--border); }
.library-cta-text { font-size: 15px; color: var(--text-muted); margin-bottom: 16px; font-family: var(--font-ui); }


/* ==========================================
   Cross-Domain Lens Selector
   ========================================== */
.lens-selector-wrapper {
  margin: 0 0 1.5rem;
}
.lens-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.lens-selector-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-right: 0.25rem;
}
.lens-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.lens-btn:hover { border-color: var(--accent); color: var(--text); }
.lens-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.lens-icon { font-size: 0.7em; }

/* Aside containers injected by JS */
.lens-aside {
  display: none;
  background: var(--bg-warm);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.6;
}
.lens-aside.is-visible { display: block; }
.lens-aside-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.4rem;
  display: block;
}

/* Section lens indicator */
.has-lens-aside h2::after {
  content: " ◆";
  font-size: 0.6em;
  color: var(--accent);
  opacity: 0.7;
}

/* ==========================================
   Slow Dispatch editorial format
   ========================================== */
.slow-dispatch-article .article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  max-width: 680px;
}
.slow-dispatch-article .article-body p {
  margin-bottom: 1.5em;
}
.slow-dispatch-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.slow-dispatch-byline {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
  text-align: right;
}

/* Paywall removed — KHI Research is free */

/* ==========================================
   Ask About This Article Widget
   ========================================== */
.khi-ask-widget {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.khi-ask-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.4rem;
}
.khi-ask-desc {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}
.khi-ask-form {
  display: flex;
  gap: 0.5rem;
}
.khi-ask-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text);
}
.khi-ask-input:focus {
  outline: none;
  border-color: var(--accent);
}
.khi-ask-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.khi-ask-submit:hover { opacity: 0.85; }
.khi-ask-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.khi-ask-response {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-subtle);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ==========================================
   Knowledge Graph Widget
   ========================================== */
.kg-widget-details {
  margin: 2rem 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.kg-widget-summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--bg-warm);
  list-style: none;
}
.kg-widget-summary::-webkit-details-marker { display: none; }
.kg-widget-summary::before { content: "▶"; font-size: 0.7em; transition: transform 0.2s; }
details[open] .kg-widget-summary::before { transform: rotate(90deg); }
.kg-widget-icon { font-size: 1rem; }
.kg-widget-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-subtle);
  margin-left: auto;
}
.kg-widget {
  padding: 1rem;
  min-height: 200px;
  position: relative;
}
.kg-widget-loading {
  text-align: center;
  color: var(--text-subtle);
  font-size: 0.85rem;
  padding: 2rem;
}
/* D3 force graph nodes and edges */
.kg-node circle { fill: var(--accent); opacity: 0.8; }
.kg-node text { fill: var(--text); font-size: 10px; }
.kg-edge line { stroke: var(--border); stroke-width: 1; }
.kg-edge text { fill: var(--text-subtle); font-size: 9px; }

/* ==========================================
   Field Synthesis Card
   ========================================== */
.field-synthesis-card {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.field-synthesis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.field-synthesis-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
}
.field-synthesis-topic { text-transform: none; font-style: italic; }
.field-synthesis-updated {
  font-size: 0.72rem;
  color: var(--text-subtle);
}
.field-synthesis-text {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-mid);
  margin-bottom: 1rem;
}
.field-synthesis-articles {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.field-synthesis-article-link {
  font-size: 0.775rem;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  white-space: nowrap;
  overflow: hidden;
  max-width: 200px;
  text-overflow: ellipsis;
}
.field-synthesis-article-link:hover { border-color: var(--accent); }

/* ==========================================
   Machine-readable link
   ========================================== */
.machine-readable-link-wrapper {
  text-align: right;
  margin: 1.5rem 0 0;
}
.machine-readable-link {
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}
.machine-readable-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ==========================================
   Claim Provenance Tooltips
   ========================================== */
[data-claim-id] {
  border-bottom: 1px dotted var(--accent);
  cursor: help;
  position: relative;
}
.claim-tooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  max-width: 320px;
  min-width: 200px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--text);
  z-index: 100;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}
.claim-tooltip-source {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 0.4rem;
}
.claim-tooltip a { color: var(--accent); }

/* ==========================================
   Inference Engine
   ========================================== */
.inference-engine {
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  background: var(--bg-warm);
}
.inference-engine-eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.inference-engine-question {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text);
  margin: 0 0 1rem;
  font-style: italic;
}
.inference-engine-cta {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.825rem;
  font-weight: 600;
  text-decoration: none;
}
.inference-engine-cta:hover { background: var(--accent); color: #fff; }

/* ============================================================================
   PUBLICATION IDENTITY STRIP — shown to non-members on article pages, dismissible
   ============================================================================ */
.pub-identity-strip {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  max-width: var(--max-w-article);
  margin: 0 auto 24px;
  border-radius: 0 0 var(--r-md) var(--r-md);
}
.pub-identity-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  font-family: var(--font-ui);
}
.pub-identity-text {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}
.pub-identity-link {
  color: var(--text-mid);
  font-weight: 500;
  transition: color var(--t);
}
.pub-identity-link:hover { color: var(--accent); }
.pub-identity-cta {
  color: var(--accent);
  font-weight: 600;
}
.pub-identity-dismiss {
  background: none;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  transition: color var(--t);
  display: flex;
  align-items: center;
}
.pub-identity-dismiss:hover { color: var(--text-mid); }
.pub-identity-strip[hidden] { display: none; }
@media (max-width: 600px) {
  .pub-identity-text { font-size: 12px; }
}

/* ============================================================================
   SUBSCRIBE INLINE — mobile responsive
   ============================================================================ */
@media (max-width: 600px) {
  .subscribe-inline { padding: 28px 20px; text-align: left; }
  .subscribe-inline-fields { justify-content: flex-start; }
}

/* ============================================================================
   ARTICLE BREADCRUMB
   ============================================================================ */
.article-breadcrumb {
  max-width: var(--max-w-article);
  margin: 0 auto;
  padding: 16px 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--text-subtle);
}
.article-breadcrumb-link {
  color: var(--text-muted);
  transition: color var(--t);
}
.article-breadcrumb-link:hover { color: var(--accent); }
.article-breadcrumb-sep { color: var(--border-mid); }
.article-breadcrumb-current {
  color: var(--text-subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}

/* ============================================================================
   FLOATING LISTEN BADGE — appears after 30% scroll on articles with audio
   ============================================================================ */
.floating-listen-badge {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.28s ease, transform 0.28s ease;
  pointer-events: none;
  z-index: 90;
  cursor: pointer;
  text-decoration: none;
}
.floating-listen-badge.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.floating-listen-badge:hover {
  background: var(--accent);
  color: var(--text-invert);
}
.floating-listen-badge-icon {
  width: 16px; height: 16px;
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .floating-listen-badge { bottom: 72px; right: 16px; font-size: 12px; padding: 9px 14px; }
}

/* ============================================================================
   MOBILE ARTICLE BODY FONT SIZE
   ============================================================================ */
@media (max-width: 480px) {
  .article-body { font-size: 17px; }
}

/* ============================================================================
   PREFERS-REDUCED-MOTION — pause all decorative animations
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  .hero-badge-dot,
  .generate-hero-badge-dot {
    animation: none;
  }
  .post-card:hover .post-card-image,
  .featured-post:hover .featured-post-image {
    transform: none;
  }
  .post-card:hover {
    transform: none;
  }
  .reading-progress-bar {
    transition: none;
  }
}