/* ============================================
   THE ACKA'A-HITCHMAN FOUNDATION
   Methodology Papers — Editorial Layer
   Extends main.css. Designed for screen reading
   AND print-to-PDF as a publication-quality output.
   ============================================ */

:root {
  --paper: #fbf6ec;
  --paper-edge: #ebe2d4;
  --rule: rgba(58, 42, 26, 0.18);
  --rule-strong: rgba(58, 42, 26, 0.4);
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --display: 'Cinzel', 'Cormorant Garamond', serif;
  --sans: 'Inter', -apple-system, sans-serif;
}

/* ── PAGE FRAME ── */
.paper-frame {
  background: var(--paper);
  padding: 6rem 0 5rem;
  min-height: 100vh;
}

.paper-shell {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 4rem;
}

@media (max-width: 900px) {
  .paper-shell { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── TOC SIDEBAR ── */
.paper-toc {
  position: sticky;
  top: 6rem;
  align-self: start;
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ink-mid);
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.paper-toc-label {
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
}

.paper-toc ol {
  list-style: none;
  counter-reset: toc;
  padding: 0;
}

.paper-toc ol li {
  counter-increment: toc;
  margin-bottom: 0.6rem;
  padding-left: 2rem;
  position: relative;
}

.paper-toc ol li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  font-family: var(--display);
  font-size: 0.6875rem;
  color: var(--gold-deep);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.paper-toc a {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}

.paper-toc a:hover {
  color: var(--gold-deep);
  border-bottom-color: var(--gold-deep);
}

/* ── ARTICLE BODY ── */
.paper-article {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.7;
}

/* Header block */
.paper-header {
  margin-bottom: 3.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule-strong);
  position: relative;
}

.paper-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 1px;
  background: var(--gold);
}

.paper-eyebrow {
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.paper-eyebrow .eyebrow-mark {
  width: 32px;
  height: 1px;
  background: var(--gold-deep);
  display: inline-block;
}

.paper-eyebrow .eyebrow-version {
  color: var(--earth);
  font-weight: 400;
}

.paper-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.1;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
}

.paper-title em {
  font-style: italic;
  color: var(--earth);
  font-weight: 400;
}

.paper-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-mid);
  font-weight: 400;
  margin-bottom: 2.5rem;
  max-width: 56ch;
}

.paper-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mid);
}

.paper-meta-block .meta-label {
  font-family: var(--display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.paper-meta-block .meta-value {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.45;
}

/* Abstract box */
.paper-abstract {
  background: rgba(232, 213, 163, 0.18);
  border-left: 2px solid var(--gold);
  padding: 2rem 2.25rem;
  margin: 0 0 4rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-mid);
}

.paper-abstract::before {
  content: 'Abstract';
  display: block;
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 1rem;
}

.paper-abstract p {
  margin: 0;
}

/* Section structure */
.paper-section {
  margin-bottom: 3.5rem;
  scroll-margin-top: 6rem;
}

.paper-section h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.paper-section h2 .section-number {
  font-family: var(--display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.paper-section h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  font-style: italic;
  margin: 2.25rem 0 1rem;
}

.paper-section p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
  max-width: 65ch;
}

.paper-section p strong { color: var(--ink); font-weight: 500; }
.paper-section p em { color: var(--ink); }

.paper-section ul, .paper-section ol {
  margin: 0 0 1.5rem 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 62ch;
}

.paper-section li { margin-bottom: 0.5rem; }
.paper-section li strong { color: var(--ink); font-weight: 500; }

/* Drop-cap for first paragraph */
.paper-section.has-dropcap > p:first-of-type::first-letter {
  font-family: var(--display);
  font-size: 4rem;
  float: left;
  line-height: 0.9;
  margin: 0.4rem 0.6rem 0 0;
  color: var(--gold-deep);
  font-weight: 500;
}

/* Pull quote */
.paper-pullquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.45;
  color: var(--earth);
  border-left: 2px solid var(--gold);
  padding: 0.5rem 0 0.5rem 2rem;
  margin: 2.5rem 0;
  max-width: 50ch;
}

/* Formula / scoring block */
.formula-block {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.75rem 2rem;
  margin: 2rem 0;
  font-family: var(--sans);
}

.formula-block .formula-label {
  font-family: var(--display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.formula-block .formula-equation {
  font-family: 'Cambria Math', 'STIX Two Math', var(--serif);
  font-size: 1.25rem;
  color: var(--ink);
  margin-bottom: 1rem;
  font-style: italic;
}

.formula-block .formula-where {
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ink-mid);
}

.formula-block .formula-where strong {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--ink);
}

/* Tables */
.paper-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-family: var(--sans);
  font-size: 0.875rem;
}

.paper-table th {
  text-align: left;
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  font-weight: 500;
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--rule-strong);
}

.paper-table td {
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  vertical-align: top;
  line-height: 1.55;
}

.paper-table tbody tr:last-child td { border-bottom: none; }

.paper-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.paper-table .col-name { font-family: var(--serif); font-size: 1rem; color: var(--ink); font-weight: 500; }
.paper-table .col-italic { font-family: var(--serif); font-style: italic; }

/* Footnotes / references */
.paper-footer {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--rule-strong);
}

.paper-footer h2 {
  font-family: var(--display);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  margin-bottom: 1.5rem;
}

.citation-block {
  background: rgba(232, 213, 163, 0.12);
  border: 1px solid var(--rule);
  padding: 1.5rem 1.75rem;
  margin: 1rem 0 3rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--ink-mid);
}

.citation-block .citation-format {
  margin-bottom: 1rem;
}

.citation-block .citation-format:last-child { margin-bottom: 0; }

.citation-block .citation-style {
  font-family: var(--display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 0.4rem;
  display: block;
}

.citation-block .citation-text {
  font-family: var(--serif);
  font-size: 0.9375rem;
  color: var(--ink);
  line-height: 1.55;
}

.citation-block .citation-text em { color: var(--earth); }

.references-list {
  list-style: none;
  padding: 0;
  font-family: var(--serif);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--ink-mid);
  counter-reset: ref;
}

.references-list li {
  counter-increment: ref;
  padding-left: 2rem;
  position: relative;
  margin-bottom: 0.85rem;
  max-width: 70ch;
}

.references-list li::before {
  content: counter(ref);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--display);
  font-size: 0.75rem;
  color: var(--gold-deep);
  font-weight: 500;
}

.references-list li em { color: var(--ink); font-style: italic; }

/* Inline reference markers */
.ref-marker {
  font-family: var(--display);
  font-size: 0.6875em;
  color: var(--gold-deep);
  font-weight: 500;
  vertical-align: super;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.ref-marker:hover { color: var(--earth); }

/* Actions strip */
.paper-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.paper-actions .btn-paper {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 500;
  border: 1px solid var(--gold-deep);
  color: var(--gold-deep);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.paper-actions .btn-paper:hover {
  background: var(--gold-deep);
  color: var(--paper);
}

.paper-actions .btn-paper-solid {
  background: var(--gold-deep);
  color: var(--paper);
  border-color: var(--gold-deep);
}

.paper-actions .btn-paper-solid:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bone);
}

/* ── LANDING PAGE ── */
.method-hero {
  background: var(--ink);
  color: var(--bone);
  padding: 9rem var(--gutter) 5rem;
  position: relative;
  overflow: hidden;
}

.method-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(201, 163, 90, 0.15), transparent 60%);
}

.method-hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.method-hero .eyebrow {
  font-family: var(--display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.method-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: -0.015em;
}

.method-hero h1 em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.method-hero .lede {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--bone-warm);
  max-width: 60ch;
  font-style: italic;
}

.method-rule {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 2.5rem 0;
}

.papers-grid {
  max-width: 1140px;
  margin: 0 auto;
  padding: 5rem var(--gutter);
  display: grid;
  gap: 3.5rem;
}

.paper-card {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.paper-card:last-child { border-bottom: none; padding-bottom: 0; }

@media (max-width: 800px) {
  .paper-card { grid-template-columns: 1fr; gap: 1.5rem; }
}

.paper-card-meta {
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-mid);
}

.paper-card-meta .index-num {
  font-family: var(--display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold-deep);
  font-weight: 500;
  margin-bottom: 0.85rem;
}

.paper-card-meta .date {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--earth);
  margin-bottom: 0.4rem;
}

.paper-card-meta .version {
  font-family: var(--display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-mid);
  margin-bottom: 1.5rem;
}

.paper-card-meta .tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--rule-strong);
  font-family: var(--display);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--earth);
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
}

.paper-card-body h2 {
  font-family: var(--serif);
  font-size: 1.875rem;
  line-height: 1.2;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--ink);
}

.paper-card-body h2 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.paper-card-body h2 a:hover { border-bottom-color: var(--gold-deep); }

.paper-card-body h2 em { font-style: italic; color: var(--earth); font-weight: 400; }

.paper-card-body .deck {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--ink-mid);
  margin-bottom: 1.25rem;
}

.paper-card-body .summary {
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
  max-width: 60ch;
}

.paper-card-body .card-cta {
  font-family: var(--display);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: gap 0.2s;
}

.paper-card-body .card-cta:hover { gap: 1rem; }

.paper-card-body .card-cta::after {
  content: '→';
  font-family: var(--serif);
  font-size: 0.9rem;
}

/* ── PRINT ── */
@media print {
  @page { margin: 2cm 2.2cm; size: A4; }

  .site-nav, .site-footer, .paper-toc, .paper-actions, .nav-toggle { display: none !important; }

  body { background: white !important; color: black !important; }

  .paper-frame { padding: 0 !important; background: white !important; }
  .paper-shell { display: block !important; max-width: none !important; padding: 0 !important; }
  .paper-article { font-size: 11pt; line-height: 1.5; color: #1a1a1a; }

  .paper-header { page-break-after: avoid; margin-bottom: 1.5rem; padding-bottom: 1rem; }
  .paper-header::after { background: #8a6c2d !important; }
  .paper-title { font-size: 22pt; }
  .paper-subtitle { font-size: 13pt; }
  .paper-abstract { background: #faf6ec !important; border-left-color: #8a6c2d !important; page-break-inside: avoid; margin-bottom: 2rem; }

  .paper-section { page-break-inside: auto; margin-bottom: 1.5rem; }
  .paper-section h2 { page-break-after: avoid; font-size: 14pt; margin-top: 1rem; }
  .paper-section h3 { page-break-after: avoid; font-size: 12pt; }
  .paper-section p { font-size: 11pt; max-width: none; }

  .formula-block { background: #fafafa !important; border-color: #ccc !important; page-break-inside: avoid; }
  .paper-table { page-break-inside: avoid; font-size: 9.5pt; }
  .paper-pullquote { page-break-inside: avoid; }

  .paper-footer { page-break-before: auto; margin-top: 2rem; padding-top: 1rem; }
  .references-list { font-size: 9.5pt; }
  .citation-block { background: #faf6ec !important; }

  /* Print URLs after links for citation */
  .paper-article a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8.5pt; color: #666; }
  .paper-article a[href^="#"]::after { content: ""; }
}