/* =========================================================================
   CQ Market Intelligence — scholarly research-journal stylesheet
   Design language: warm parchment, serif type, marginal sidenotes,
   drop caps, numbered sections. No cards, no gradients-as-decoration,
   no dark sections.
   ========================================================================= */

:root {
  --paper:       #f7f3ea;
  --paper-lift:  #fdfbf5;
  --paper-deep:  #ece3d2;
  --ink:         #23201c;
  --ink-2:       #6b6255;
  --oxblood:     #7a2e2e;
  --oxblood-ink: #5f2222;
  --oxblood-soft:rgba(122, 46, 46, 0.16);
  --rule:        rgba(35, 32, 28, 0.16);
  --rule-2:      rgba(35, 32, 28, 0.34);

  --serif:   "Source Serif 4", Georgia, "Times New Roman", Times, serif;
  --display: "Fraunces", "Source Serif 4", Georgia, serif;

  --measure: 41rem;         /* ~64ch reading measure */
  --page:    70rem;
  --ease:    cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html, body { overflow-x: clip; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.02rem, 0.55vw + 0.9rem, 1.16rem);
  line-height: 1.72;
  background-color: var(--paper);
  background-image:
    radial-gradient(130% 95% at 50% -12%, var(--paper-lift) 0%, var(--paper) 46%, var(--paper-deep) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

/* Fine paper grain — inline SVG feTurbulence, never a flat fill */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: 0.05;
  mix-blend-mode: multiply;
}

/* Faint vignette to keep the page feeling like a printed leaf */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(125% 105% at 50% 38%, transparent 52%, rgba(74, 55, 30, 0.11) 100%);
}

.wrap { position: relative; z-index: 1; }

/* ---------- shared atoms ---------- */

a {
  color: var(--oxblood);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}
a:hover { color: var(--oxblood-ink); text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -5rem;
  z-index: 50;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transform: translateY(-120%);
  transition: top 0.3s var(--ease), transform 0.3s var(--ease);
}
.skip-link:focus { top: 0.75rem; transform: none; color: var(--paper); }

.page {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 clamp(1.15rem, 5.4vw, 5rem);
}

.smallcaps {
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-size: 0.86rem;
  font-weight: 600;
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 2px solid var(--ink);
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  margin-top: clamp(1.4rem, 4vw, 2.4rem);
}
.masthead__inner {
  max-width: var(--measure);
  margin: 0;
  padding-bottom: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.4rem;
}
.masthead__brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.masthead__brand:hover { color: var(--oxblood); }
.masthead__brand span { color: var(--oxblood); }

.masthead__meta {
  color: var(--ink-2);
  font-size: 0.82rem;
  font-style: italic;
  letter-spacing: 0.01em;
}

.nav { display: flex; flex-wrap: wrap; gap: 0.15rem 1.15rem; padding-bottom: 0.55rem; }
.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.nav a:hover, .nav a:focus-visible { color: var(--oxblood); border-bottom-color: var(--oxblood); }

/* ---------- title block ---------- */

.article { padding-top: clamp(1.8rem, 5vw, 3rem); }

.titleblock { max-width: var(--measure); }

.kicker {
  color: var(--oxblood);
  margin: 0 0 0.7rem;
  display: block;
}

h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.05rem, 1.6vw + 1.5rem, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.014em;
  margin: 0 0 1rem;
  text-wrap: balance;
}

.deck {
  font-size: 1.08rem;
  color: var(--ink-2);
  font-style: italic;
  margin: 0 0 1.5rem;
  max-width: 38rem;
}

.byline {
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
  padding: 0.6rem 0;
  margin: 0 0 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--ink-2);
}
.byline dt { font-variant-caps: all-small-caps; letter-spacing: 0.12em; color: var(--ink); margin: 0; }
.byline dd { margin: 0; }

/* ---------- abstract ---------- */

.abstract {
  max-width: var(--measure);
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-left: 3px solid var(--oxblood);
  background: linear-gradient(90deg, var(--oxblood-soft) 0%, transparent 62%);
}
.abstract p {
  margin: 0.5rem 0 0;
  font-size: 0.98rem;
  line-height: 1.68;
  color: var(--ink);
}
.abstract .abstract__label {
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--oxblood);
}

/* ---------- body copy ---------- */

.body {
  max-width: var(--measure);
  counter-reset: sec;
}

.body section { margin: 0 0 clamp(2.1rem, 5vw, 3.1rem); }

h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.4rem, 0.7vw + 1.2rem, 1.85rem);
  line-height: 1.22;
  letter-spacing: -0.008em;
  margin: 0 0 1.05rem;
  counter-increment: sec;
  text-wrap: balance;
}
h2::before {
  content: counter(sec) ".";
  color: var(--oxblood);
  margin-right: 0.5em;
  font-variant-numeric: lining-nums tabular-nums;
}

h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  margin: 1.9rem 0 0.65rem;
}

p { margin: 0 0 1.05rem; }

.body p + p { text-indent: 1.4em; }
.body p.lede, .body .noindent, .body p:first-of-type { text-indent: 0; }

strong { font-weight: 600; }
em { font-style: italic; }

mark {
  background: linear-gradient(transparent 58%, var(--oxblood-soft) 58%);
  color: inherit;
  padding: 0 0.05em;
}

/* drop cap on the opening paragraph */
.dropcap { text-indent: 0 !important; }
.dropcap::first-letter {
  font-family: var(--display);
  float: left;
  font-size: 4.5rem;
  line-height: 0.72;
  font-weight: 600;
  color: var(--oxblood);
  padding: 0.34rem 0.5rem 0.05rem 0;
}

/* ---------- marginal sidenotes ---------- */

.sidenote {
  float: right;
  clear: right;
  width: 13.5rem;
  margin: 0.35rem -15.6rem 1.2rem 1.7rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--rule-2);
  font-size: 0.79rem;
  line-height: 1.5;
  color: var(--ink-2);
}
.sidenote .sn {
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--oxblood);
  display: block;
  margin-bottom: 0.2rem;
}

/* ---------- pull quote ---------- */

.pullquote {
  margin: clamp(1.8rem, 4vw, 2.5rem) 0;
  padding: 0 0 0 1.4rem;
  border-left: 3px solid var(--oxblood);
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.28rem, 0.7vw + 1.1rem, 1.6rem);
  line-height: 1.38;
  color: var(--ink);
  text-wrap: balance;
}

.centerquote {
  margin: clamp(1.9rem, 4vw, 2.6rem) 0;
  padding: 1.4rem 0;
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
  text-align: center;
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.25rem, 0.8vw + 1.05rem, 1.6rem);
  line-height: 1.4;
  color: var(--oxblood-ink);
}
.centerquote cite {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--serif);
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  font-variant-caps: all-small-caps;
  color: var(--ink-2);
}

/* ---------- figures (plates) ---------- */

.plate {
  margin: clamp(1.8rem, 4vw, 2.4rem) 0;
  padding: 0.9rem;
  border: 1px solid var(--rule);
  background: rgba(255, 253, 247, 0.5);
}
.plate img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  filter: sepia(0.14) saturate(0.92) contrast(0.98) brightness(1.01);
}
.plate figcaption {
  margin-top: 0.85rem;
  font-size: 0.83rem;
  line-height: 1.55;
  font-style: italic;
  color: var(--ink-2);
}
.plate figcaption .fig-no {
  font-family: var(--display);
  font-style: normal;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--oxblood);
  margin-right: 0.4em;
}

/* ---------- tables ---------- */

.table-scroll { margin: clamp(1.6rem, 4vw, 2.2rem) 0; }
.table-scroll caption {
  caption-side: top;
  text-align: left;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-2);
  padding-bottom: 0.7rem;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.5;
}
table.data th, table.data td { text-align: left; padding: 0.68rem 0.85rem; vertical-align: top; }
table.data thead th {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.82rem;
  font-variant-caps: all-small-caps;
  letter-spacing: 0.09em;
  color: var(--ink);
  border-top: 1.6px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
table.data tbody td { border-bottom: 1px solid var(--rule); }
table.data tbody tr:last-child td { border-bottom: 1.6px solid var(--ink); }
table.data td .lt { font-family: var(--display); font-weight: 600; color: var(--oxblood-ink); }

/* ---------- step list ---------- */

.steps { list-style: none; margin: 1.6rem 0; padding: 0; counter-reset: step; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.35rem 3.2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.35rem;
}
.steps > li:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -0.15rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--oxblood);
  font-variant-numeric: lining-nums;
}
.steps > li b { display: block; font-family: var(--display); font-weight: 600; font-size: 1.02rem; margin-bottom: 0.2rem; }

/* ---------- inline note / disclaimer blocks (rules, not boxes) ---------- */

.note {
  margin: clamp(1.6rem, 4vw, 2.2rem) 0;
  padding: 1.15rem 0;
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
  font-size: 0.94rem;
}
.note .note__label {
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.16em;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--oxblood);
  display: block;
  margin-bottom: 0.35rem;
}
.note p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--rule-2); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1rem 0;
  min-height: 44px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
  transition: color 0.25s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--oxblood);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.3s var(--ease);
}
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover, .faq summary:focus-visible { color: var(--oxblood); }
.faq summary:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 3px; }
.faq__body { padding: 0 0 1.15rem; font-size: 0.96rem; }
.faq__body p { margin: 0 0 0.7rem; text-indent: 0; }
.faq__body p:last-child { margin-bottom: 0; }

/* ---------- footnotes ---------- */

.footnotes {
  margin-top: clamp(2.4rem, 6vw, 3.4rem);
  padding-top: 1.2rem;
  border-top: 2px solid var(--ink);
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--ink-2);
}
.footnotes h2 { font-size: 0.95rem; }
.footnotes ol { padding-left: 1.4rem; margin: 0.6rem 0 0; }
.footnotes li { margin-bottom: 0.5rem; }
sup.fn { font-size: 0.7em; color: var(--oxblood); font-weight: 600; padding-left: 0.05em; }

/* ---------- related reading (inline links, not cards) ---------- */

.related { margin-top: 1.4rem; border-top: 1px solid var(--rule-2); }
.related a {
  display: block;
  padding: 0.95rem 0;
  min-height: 44px;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.related a:hover .related__title { color: var(--oxblood); }
.related__kicker {
  display: block;
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--oxblood);
  margin-bottom: 0.15rem;
}
.related__title { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule-2); text-underline-offset: 0.2em; transition: color 0.25s var(--ease); }

/* ---------- footer ---------- */

.foot {
  margin-top: clamp(3rem, 8vw, 5rem);
  border-top: 2px solid var(--ink);
  padding: clamp(1.8rem, 4vw, 2.6rem) 0 3rem;
  font-size: 0.88rem;
  color: var(--ink-2);
}
.foot__inner { max-width: var(--measure); }
.foot__brand {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}
.foot__brand span { color: var(--oxblood); }
.foot__blurb { margin: 0 0 1.8rem; max-width: 34rem; font-style: italic; }
.foot__net-title {
  font-family: var(--display);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.6rem;
}
.linknet { list-style: none; margin: 0 0 2rem; padding: 0; border-top: 1px solid var(--rule); }
.linknet li { border-bottom: 1px solid var(--rule); }
.linknet a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  min-height: 44px;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.linknet a span { color: var(--oxblood); font-family: var(--display); font-variant-numeric: tabular-nums; font-size: 0.82rem; }
.linknet a:hover { color: var(--oxblood); padding-left: 0.35rem; }
.foot__legal { border-top: 1px solid var(--rule-2); padding-top: 1.2rem; max-width: 42rem; }
.foot__legal p { margin: 0 0 0.7rem; font-size: 0.8rem; line-height: 1.62; }

/* ---------- reveal animation (progressive enhancement) ---------- */

.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
html.no-js .reveal, .reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 1120px) {
  /* Marginal notes collapse inline and pick up a hairline rule of their own */
  .sidenote {
    float: none;
    clear: none;
    width: auto;
    margin: 1.3rem 0 1.4rem;
    padding: 0.65rem 0 0.2rem 1.1rem;
    border-top: 0;
    border-left: 2px solid var(--oxblood-soft);
    font-size: 0.85rem;
  }
}

@media (max-width: 640px) {
  body { line-height: 1.66; }
  .masthead__inner { flex-direction: column; align-items: flex-start; }
  .nav { gap: 0.1rem 1rem; }
  h1 { font-size: clamp(1.85rem, 6vw, 2.3rem); }
  .abstract { padding-left: 1rem; }
  .dropcap::first-letter { font-size: 3.4rem; }
  table.data th, table.data td { padding: 0.55rem 0.6rem; font-size: 0.84rem; }
  .steps > li { padding-left: 2.4rem; }
  .steps > li::before { font-size: 1.25rem; }
  .pullquote { font-size: 1.2rem; }
  .plate { padding: 0.55rem; }
}

/* Wide tables scroll rather than break the measure */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table.data { min-width: 30rem; }
@media (max-width: 640px) { .table-scroll table.data { min-width: 26rem; } }

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  body::before, body::after { display: none; }
  .nav, .skip-link { display: none; }
  a { color: var(--ink); }
}

/* ---------- brand logo ---------- */
/* Sized relative to the adjacent wordmark (em) with an absolute cap, so each
   site's own type scale governs the mark instead of one fixed pixel height. */
.brand-logo {
  display: inline-block;
  height: min(1.1em, 18px);
  width: auto;
  margin-right: 0.45em;
  vertical-align: -0.22em;
}
.foot__brand .brand-logo,
.foot__wordmark .brand-logo,
.foot__logo .brand-logo {
  height: min(1.3em, 26px);
  margin-right: 0.45em;
  vertical-align: -0.24em;
}
@media (max-width: 640px) {
  .brand-logo { height: min(1.05em, 16px); margin-right: 0.35em; }
  .foot__brand .brand-logo,
  .foot__wordmark .brand-logo { height: min(1.2em, 22px); }
}