/* ═══════════════════════════════════════════════════════════════════
   POLITICAL THEOLOGY ARCHIVE — DIGITAL SCRIPTORIUM
   Design System: "Resonant Stark" · Dark Academic · 2026
   ═══════════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --bg:           #0e0e13;
  --surface:      #14141b;
  --surface-mid:  #1a1a23;
  --surface-high: #22222e;
  --border:       rgba(255, 255, 255, 0.065);
  --border-mid:   rgba(255, 255, 255, 0.13);
  --border-gold:  rgba(196, 154, 53, 0.22);

  --text:         #ddd8cf;
  --text-mid:     #8f8fa6;
  --text-dim:     #53536a;

  --gold:         #c49a35;
  --gold-bright:  #d4aa48;
  --gold-dim:     rgba(196, 154, 53, 0.14);
  --gold-glow:    rgba(196, 154, 53, 0.07);

  --teal:         #4d92aa;
  --teal-dim:     rgba(77, 146, 170, 0.12);

  --crimson:      #7a2323;
  --crimson-dim:  rgba(122, 35, 35, 0.15);

  --radius-sm:    8px;
  --radius:       12px;
  --radius-lg:    18px;

  --shadow:       0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg:    0 12px 48px rgba(0, 0, 0, 0.6);
  --shadow-gold:  0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(196, 154, 53, 0.18);

  --font-serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --nav-h: 68px;
  --content-w: 860px;
  --wide-w: 1200px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── NAVIGATION ── */
.pta-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(14, 14, 19, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.pta-nav-inner {
  max-width: var(--wide-w);
  margin: 0 auto;
  padding: 0 48px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.pta-nav-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  text-decoration: none;
  flex-shrink: 0;
}

.pta-nav-logo-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.02em;
  line-height: 1;
}

.pta-nav-logo-sub {
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
}

.pta-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pta-nav-link {
  position: relative;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text-mid);
  transition: color 0.25s ease;
  white-space: nowrap;
}

.pta-nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 12px;
  right: 12px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.pta-nav-link:hover {
  color: var(--text);
}

.pta-nav-link:hover::after {
  transform: scaleX(1);
}

.pta-nav-reviews {
  background: var(--gold-dim);
  border: 1px solid rgba(196, 154, 53, 0.2);
  border-radius: 4px;
  color: var(--gold);
}

.pta-nav-reviews:hover {
  color: var(--gold-bright);
  background: rgba(196, 154, 53, 0.2);
}

.pta-nav-reviews::after { display: none; }

/* Mobile toggle */
.pta-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.pta-nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-mid);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ── HOMEPAGE HERO ── */
.pta-hero {
  padding: calc(var(--nav-h) + 80px) 48px 80px;
  max-width: var(--wide-w);
  margin: 0 auto;
  position: relative;
}

.pta-hero-label {
  margin-bottom: 24px;
}

.pta-hero-h1 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 820px;
  margin-bottom: 28px;
}

.pta-hero-h1 em {
  font-style: italic;
  color: var(--gold);
}

.pta-hero-thesis {
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--text-mid);
  max-width: 640px;
  line-height: 1.78;
  margin-bottom: 48px;
  border-left: 2px solid var(--border-gold);
  padding-left: 24px;
}

.pta-hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
}

.pta-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pta-hero-stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.pta-hero-stat-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.pta-hero-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── BENTO GRID ── */
.pta-bento-section {
  max-width: var(--wide-w);
  margin: 0 auto 80px;
  padding: 0 48px;
}

.pta-bento-section-header {
  margin-bottom: 32px;
  display: flex;
  align-items: baseline;
  gap: 20px;
}

.pta-bento-section-header h2 {
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.pta-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* Card base */
.pta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease;
  cursor: default;
  text-decoration: none;
  display: block;
  color: var(--text);
}

.pta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(196, 154, 53, 0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.32s ease;
  pointer-events: none;
}

.pta-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(196, 154, 53, 0.2);
}

.pta-card:hover::before {
  opacity: 1;
}

/* Bento layout variants */
.pta-card--wide    { grid-column: span 2; }
.pta-card--full    { grid-column: span 3; }
.pta-card--tall    { grid-row: span 2; }

/* Pillar card specifics */
.pta-card-pillar-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.pta-card-pillar-path {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}

.pta-card-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 400;
  line-height: 1.18;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.pta-card-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 24px;
}

.pta-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.pta-card-tag {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--surface-mid);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}

.pta-card-enter {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}

.pta-card:hover .pta-card-enter {
  gap: 10px;
}

/* Golden Chain hero card */
.pta-card--chain {
  background: linear-gradient(145deg, #161620 0%, #0e0e13 100%);
  border-color: rgba(196, 154, 53, 0.15);
}

.pta-chain-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.pta-chain-title em {
  font-style: italic;
  color: var(--gold);
}

.pta-chain-text {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 540px;
}

.pta-chain-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.pta-chain-node {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid rgba(196, 154, 53, 0.2);
  border-radius: 4px;
  padding: 4px 10px;
  text-transform: uppercase;
}

.pta-chain-arrow {
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ── BOOKS BENTO ── */
.pta-books-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.pta-book-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.28s ease,
              border-color 0.28s ease;
}

.pta-book-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(196, 154, 53, 0.2);
}

.pta-book-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--teal);
  text-transform: uppercase;
}

.pta-book-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--text);
}

.pta-book-author {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--text-dim);
}

.pta-book-tag {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

/* ── PAGE HERO ── */
.pta-page-hero {
  padding: calc(var(--nav-h) + 64px) 48px 56px;
  max-width: var(--wide-w);
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.pta-page-eye {
  display: block;
  margin-bottom: 20px;
  color: var(--gold);
}

.pta-page-h1 {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin-bottom: 20px;
}

.pta-page-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-mid);
  max-width: 600px;
  line-height: 1.7;
}

/* ── CONTENT WRAP ── */
.pta-content-wrap {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 64px 48px 100px;
}

.pta-content-wrap h2 {
  font-size: 1.9rem;
  font-weight: 300;
  margin: 52px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.pta-content-wrap h2:first-child {
  margin-top: 0;
}

.pta-content-wrap p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.82;
  color: var(--text);
  margin-bottom: 18px;
}

.pta-content-wrap p strong {
  font-weight: 400;
  color: var(--text);
}

.pta-content-wrap em {
  font-style: italic;
  color: var(--text-mid);
}

/* ── STATUS NOTICE (sources) ── */
.pta-sources {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  margin-bottom: 52px;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.65;
}

.pta-sources strong {
  color: var(--teal);
  font-weight: 400;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

/* ── ANALYSIS BLOCK ── */
.pta-analysis {
  background: var(--surface-mid);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  margin: 36px 0;
}

.pta-analysis-label {
  display: block;
  margin-bottom: 16px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.pta-analysis p {
  margin-bottom: 14px;
  font-size: 0.97rem;
  color: var(--text-mid) !important;
}

.pta-analysis p:last-child {
  margin-bottom: 0;
}

.pta-analysis strong {
  color: var(--text) !important;
  font-weight: 400;
}

/* ── EVIDENCE / QUOTE BLOCK ── */
.pta-evidence {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 32px 0;
  position: relative;
}

.pta-evidence-label {
  display: block;
  margin-bottom: 16px;
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.pta-evidence blockquote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 16px;
  border: none;
  padding: 0;
}

.pta-evidence cite {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--text-dim);
  font-style: normal;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ── TRANSMISSION CHAIN VISUAL ── */
.pta-chain-visual {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 36px 0;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  overflow: hidden;
}

.pta-chain-step {
  flex: 1;
  min-width: 120px;
  padding: 0 16px;
  text-align: center;
}

.pta-chain-step:not(:last-child) {
  border-right: 1px solid var(--border);
}

.pta-chain-step-era {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.pta-chain-step-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 6px;
}

.pta-chain-step-detail {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-dim);
}

/* ── CRITICAL REVIEWS PAGE ── */
.pta-reviews-grid {
  display: grid;
  gap: 32px;
  margin-top: 48px;
}

.pta-review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: border-color 0.28s ease, box-shadow 0.28s ease;
}

.pta-review-card:hover {
  border-color: rgba(196, 154, 53, 0.18);
  box-shadow: var(--shadow);
}

.pta-review-header {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.pta-review-num {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  opacity: 0.5;
  flex-shrink: 0;
  min-width: 52px;
}

.pta-review-meta {
  flex: 1;
}

.pta-review-book-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 8px;
}

.pta-review-author {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-mid);
  margin-bottom: 10px;
}

.pta-review-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pta-review-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--surface-mid);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}

.pta-review-argument {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-mid);
  line-height: 1.65;
  border-left: 2px solid var(--border-gold);
  padding-left: 20px;
  margin-bottom: 24px;
}

.pta-review-body p {
  font-size: 0.97rem;
  font-weight: 300;
  line-height: 1.82;
  color: var(--text-mid);
  margin-bottom: 16px;
}

.pta-review-body p strong {
  color: var(--text);
  font-weight: 400;
}

.pta-review-acquire {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 20px;
  background: var(--gold-dim);
  border: 1px solid rgba(196, 154, 53, 0.22);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease;
}

.pta-review-acquire:hover {
  background: rgba(196, 154, 53, 0.22);
  color: var(--gold-bright);
}

/* ── ABOUT / EEAT PAGE ── */
.pta-eeat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}

.pta-eeat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.pta-eeat-card-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.pta-eeat-card h3 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 12px;
}

.pta-eeat-card p {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 0 !important;
}

/* ── MANIFESTO PULL QUOTE ── */
.pta-pq {
  background: linear-gradient(180deg, transparent 0%, var(--surface) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 72px 48px;
  margin: 0;
  text-align: center;
}

.pta-pq-text {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text);
  line-height: 1.55;
  max-width: 820px;
  margin: 0 auto 20px;
  letter-spacing: -0.01em;
}

.pta-pq-cite {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ── DIVIDER ── */
.pta-divider {
  max-width: var(--wide-w);
  margin: 0 auto;
  padding: 0 48px;
  height: 1px;
  background: var(--border);
}

/* ── SECTION LABEL ── */
.pta-section-eye {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.pta-section-eye--gold {
  color: var(--gold);
}

/* ── FADE-IN ANIMATION (JS-driven) ── */
.pta-fade {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.pta-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pta-fade--delay-1 { transition-delay: 0.1s; }
.pta-fade--delay-2 { transition-delay: 0.2s; }
.pta-fade--delay-3 { transition-delay: 0.3s; }
.pta-fade--delay-4 { transition-delay: 0.4s; }

/* ── FOOTER ── */
.pta-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.pta-footer-inner {
  max-width: var(--wide-w);
  margin: 0 auto;
  padding: 64px 48px 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
}

.pta-footer-brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  display: block;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.pta-footer-desc {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 16px;
}

.pta-footer-tag {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.pta-footer-h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 400;
}

.pta-footer-ul li {
  margin-bottom: 8px;
}

.pta-footer-ul a {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-mid);
  transition: color 0.22s ease;
}

.pta-footer-ul a:hover {
  color: var(--text);
}

.pta-footer-meta {
  border-top: 1px solid var(--border);
  padding: 20px 48px;
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ── PAGE NAV (prev/next) ── */
.pta-page-nav {
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.pta-page-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.22s ease;
}

.pta-page-nav a:hover {
  color: var(--gold);
}

.pta-page-nav-next { color: var(--gold) !important; }

/* ── UTILITIES ── */
.pta-page-wrap { min-height: 100vh; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .pta-bento {
    grid-template-columns: repeat(2, 1fr);
  }
  .pta-card--full { grid-column: span 2; }
  .pta-card--wide { grid-column: span 2; }
  .pta-books-grid { grid-template-columns: repeat(3, 1fr); }
  .pta-footer-inner { grid-template-columns: 1fr 1fr; }
  .pta-footer-brand-col { grid-column: span 2; }
  .pta-eeat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  /* FIX 6 — prevent any element from causing horizontal scroll */
  body { overflow-x: hidden; }

  /* ── NAV ── */
  .pta-nav-inner { padding: 0 20px; }
  .pta-nav-toggle { display: flex; }
  .pta-nav-logo-name { font-size: 0.92rem; }
  .pta-nav-logo-sub  { font-size: 0.58rem; }

  .pta-nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(14, 14, 19, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .pta-nav-links.is-open { display: flex; }
  .pta-nav-link { padding: 12px 8px; font-size: 0.95rem; }

  /* FIX 1+2 — hero & page-hero top padding */
  .pta-hero {
    padding-top: calc(var(--nav-h) + 40px);
    padding-bottom: 48px;
    padding-left: 20px;
    padding-right: 20px;
  }
  .pta-page-hero {
    padding-top: calc(var(--nav-h) + 32px);
    padding-bottom: 36px;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* FIX 3 — hide stat dividers when flex wraps */
  .pta-hero-divider { display: none; }
  .pta-hero-meta { gap: 20px; }

  /* ── CONTENT ── */
  .pta-bento-section { padding: 0 20px; }
  .pta-content-wrap { padding: 40px 20px 72px; }
  .pta-pq { padding: 48px 20px; }

  /* ── GRIDS ── */
  .pta-bento { grid-template-columns: 1fr; }
  .pta-card--wide, .pta-card--full, .pta-card--tall { grid-column: span 1; grid-row: span 1; }
  .pta-books-grid { grid-template-columns: 1fr 1fr; }

  /* FIX 4 — chain visual padding on mobile */
  .pta-chain-visual {
    flex-direction: column;
    padding: 20px 16px;
  }
  .pta-chain-step {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    text-align: left;
  }
  .pta-chain-step:last-child { border-bottom: none; }

  /* ── REVIEWS ── */
  .pta-review-card { padding: 24px 18px; }
  .pta-review-header { gap: 14px; }
  .pta-review-num { font-size: 2.2rem; min-width: 36px; }

  /* FIX 5 — long titles wrap instead of overflow */
  .pta-review-book-title {
    font-size: 1.4rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .pta-card-title { word-break: break-word; overflow-wrap: break-word; }

  /* ── FOOTER ── */
  .pta-footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 20px 32px; }
  .pta-footer-brand-col { grid-column: span 1; }
  .pta-footer-meta { padding: 16px 20px; }
}

@media (max-width: 480px) {
  .pta-hero-h1 { font-size: 2rem; }
  .pta-page-h1 { font-size: 1.85rem; }
  .pta-chain-title { font-size: 1.7rem; }
  .pta-books-grid { grid-template-columns: 1fr; }
  .pta-review-card { padding: 20px 16px; }
  .pta-review-num { font-size: 2rem; }

  /* Tighter card padding on very small screens */
  .pta-card { padding: 24px 20px; }
  .pta-analysis { padding: 20px 20px; }
  .pta-evidence { padding: 20px 20px; }
  .pta-hero-thesis { padding-left: 16px; }
}