/*
 * Brief v2 publication design: the 2026 research-brief template.
 *
 * Opt-in per publication (Design = Brief v2), which adds
 * .publication--design-brief-v2 to <main>. Every rule is scoped to that class
 * so Brief v1 publications are unaffected. Values mirror the template's own
 * stylesheet; keep them in sync when the template changes.
 */

.publication--design-brief-v2 {
  --cream: #faf9f7;
  --gray-100: #f5f5f5;
  --gray-200: #e8e7e5;
  --gray-300: #d4d4d4;
  --gray-400: #a8a8a6;
  --gray-500: #6b6b69;
  --gray-600: #4a4a48;
  --accent: #6b6b69;
  --publication-accent: var(--accent);
  --publication-link-accent: var(--accent);
  background: var(--cream);
  color: var(--black);
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.18rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.publication--design-brief-v2 .progress-bar {
  height: 2px;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* Hero */
.publication--design-brief-v2 .hero {
  min-height: 100vh;
  padding: 6rem 5% 4rem;
  background: var(--cream);
}

.publication--design-brief-v2 .hero-eyebrow {
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.publication--design-brief-v2 .hero-eyebrow::before,
.publication--design-brief-v2 .hero-eyebrow::after {
  width: 50px;
  height: 1px;
  background: var(--gray-400);
}

.publication--design-brief-v2 .hero-eyebrow-text {
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 3px;
  line-height: 1.75;
  color: var(--gray-500);
  text-transform: uppercase;
}

.publication--design-brief-v2 .hero h1 {
  font-family: "Instrument Serif", serif;
  font-size: 4rem;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -2px;
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.publication--design-brief-v2 .hero-sub {
  font-family: "Crimson Pro", serif;
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--gray-500);
  max-width: 550px;
  margin: 0 auto 2rem;
}

.publication--design-brief-v2 .hero-meta {
  display: block;
  margin-top: 0;
  font-family: Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 1px;
  color: var(--gray-400);
  text-transform: none;
}

.publication--design-brief-v2 .hero-meta-divider {
  display: inline;
  width: auto;
  height: auto;
  background: none;
  border-radius: 0;
}

.publication--design-brief-v2 .hero-meta-divider::before {
  content: "·";
}

/* Layout */
.publication--design-brief-v2 .main-layout {
  grid-template-columns: 200px minmax(0, 1fr) 280px;
  gap: 3rem;
  max-width: 1300px;
  padding: 4rem 4%;
}

.publication--design-brief-v2 .publication-content {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.18rem;
  line-height: 1.75;
  max-width: 680px;
  min-width: 0;
}

.publication--design-brief-v2 .page-content > p {
  margin-bottom: 1.4rem;
  text-align: start;
  hyphens: manual;
  color: inherit;
}

.publication--design-brief-v2 .page-content > p:last-child {
  margin-bottom: 0;
}

/* Contents */
.publication--design-brief-v2 .toc {
  position: sticky;
  top: 90px;
  align-self: start;
}

.publication--design-brief-v2 .toc-title {
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--gray-200);
}

.publication--design-brief-v2 .toc-item {
  margin-bottom: 0;
}

.publication--design-brief-v2 .toc-link {
  font-family: Inter, sans-serif;
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--gray-500);
  padding: 0.45rem 0 0.45rem 0.75rem;
  border-left: 2px solid transparent;
  transition: all 0.2s;
}

.publication--design-brief-v2 .toc-link:hover {
  color: var(--black);
}

.publication--design-brief-v2 .toc-link.active,
.publication--design-brief-v2 .toc-item.active .toc-link {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}

/* Section headings */
.publication--design-brief-v2 .page-content > h2 {
  font-family: "Instrument Serif", serif;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.2;
  margin: 3.5rem 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

.publication--design-brief-v2 .page-content > h2:first-child {
  margin-top: 0;
}

.publication--design-brief-v2 .page-content > h3 {
  font-family: Inter, sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  font-style: normal;
  line-height: 1.75;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 2.25rem 0 0.75rem;
}

/* Drop cap on the first paragraph */
.publication--design-brief-v2 .page-content > p:first-of-type::first-letter {
  font-family: "Instrument Serif", serif;
  font-size: 4rem;
  float: left;
  line-height: 0.78;
  padding: 0;
  margin-right: 0.5rem;
  margin-top: 0.35rem;
  color: var(--black);
}

/* Pull quotes */
.publication--design-brief-v2 .page-content > blockquote {
  margin: 2.5rem 0;
  padding: 1.5rem 0 1.5rem 2rem;
  border-left: 2px solid var(--accent);
  background: none;
  font-family: "Instrument Serif", serif;
  font-size: 1.45rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.45;
  color: var(--black);
}

.publication--design-brief-v2 .page-content > blockquote p {
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: inherit;
}

.publication--design-brief-v2 .page-content > blockquote cite {
  display: block;
  margin-top: 1rem;
  font-family: Inter, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  font-style: normal;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-600);
}

/* Footnote references */
.publication--design-brief-v2 sup.ref {
  color: var(--accent);
}

/* Tables */
.publication--design-brief-v2 .page-content .wp-block-table,
.publication--design-brief-v2 .page-content .wp-block-table:has(> .wp-element-caption) {
  margin: 2.5rem 0;
  overflow-x: auto;
}

.publication--design-brief-v2 .page-content .wp-block-table > .wp-element-caption {
  margin: 0 0 0.6rem;
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
}

.publication--design-brief-v2 .page-content .wp-block-table table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  table-layout: fixed;
  font-family: Inter, sans-serif;
  font-size: 0.74rem;
  line-height: 1.5;
  background: #fff;
}

.publication--design-brief-v2 .page-content .wp-block-table table tr {
  background: none;
}

.publication--design-brief-v2 .page-content .wp-block-table table td {
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
  color: var(--gray-600);
  font-weight: 400;
}

.publication--design-brief-v2 .page-content .wp-block-table table tr:not(:first-child) td:first-child {
  font-weight: 600;
  color: var(--black);
}

/* The first row is the header; body rows alternate starting with white. */
.publication--design-brief-v2 .page-content .wp-block-table table tr:nth-child(odd):not(:first-child) td {
  background: var(--gray-100);
}

.publication--design-brief-v2 .page-content .wp-block-table table tr:first-child td {
  background: var(--black);
  color: #fff;
  text-align: left;
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.8rem 0.9rem;
  border-bottom: 0;
  vertical-align: top;
}

/* Numbered panel (implications) */
.publication--design-brief-v2 .numbered-panel {
  margin: 2.5rem 0;
  padding: 2rem 2.25rem;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--accent);
  border-radius: 2px;
  counter-reset: m31-panel;
}

.publication--design-brief-v2 .numbered-panel-title {
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.publication--design-brief-v2 .numbered-panel-item {
  display: block;
  position: relative;
  margin: 0;
  padding: 1rem 0 1rem 2.75rem;
  border-top: 1px solid var(--gray-200);
  counter-increment: m31-panel;
}

.publication--design-brief-v2 .numbered-panel-item:first-child,
.publication--design-brief-v2 .numbered-panel-title + .numbered-panel-item {
  border-top: none;
}

.publication--design-brief-v2 .numbered-panel-index {
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-size: 0;
  line-height: 1;
}

.publication--design-brief-v2 .numbered-panel-index::before {
  content: counter(m31-panel, decimal-leading-zero);
  font-family: "Instrument Serif", serif;
  font-size: 1.4rem;
  font-style: normal;
  line-height: 1;
  color: var(--accent);
}

.publication--design-brief-v2 .numbered-panel-text {
  margin: 0;
  font-family: "Crimson Pro", serif;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray-600);
  text-align: left;
}

.publication--design-brief-v2 .numbered-panel-text strong {
  color: var(--black);
  font-weight: 600;
}

/* Sidebar */
.publication--design-brief-v2 .sidebar {
  position: sticky;
  top: 90px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.publication--design-brief-v2 .assessment-card {
  background: var(--black);
  color: #fff;
  padding: 1.75rem 1.5rem;
  border-radius: 2px;
}

.publication--design-brief-v2 .assessment-label {
  font-family: Inter, sans-serif;
  font-size: 0.58rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.4rem;
}

.publication--design-brief-v2 .assessment-title {
  font-family: "Instrument Serif", serif;
  font-size: 1.35rem;
  font-weight: 400;
  font-style: normal;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.publication--design-brief-v2 .assessment-desc {
  font-family: "Crimson Pro", serif;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #bbb;
  margin-bottom: 1.25rem;
}

.publication--design-brief-v2 .signal-row {
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.publication--design-brief-v2 .signal-name {
  font-family: Inter, sans-serif;
  font-size: 0.66rem;
  color: var(--gray-400);
}

.publication--design-brief-v2 .signal-value {
  font-family: Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: right;
}

.publication--design-brief-v2 .details-card {
  margin-top: 0;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
}

.publication--design-brief-v2 .details-title {
  font-family: Inter, sans-serif;
  font-size: 0.58rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.publication--design-brief-v2 .detail-item {
  margin: 0;
  padding: 0.55rem 0;
  border-top: 1px solid var(--gray-200);
}

.publication--design-brief-v2 .detail-label {
  font-family: Inter, sans-serif;
  font-size: 0.58rem;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0;
}

.publication--design-brief-v2 .detail-value {
  font-family: Inter, sans-serif;
  font-size: 0.74rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--black);
}

/* Verdict */
.publication--design-brief-v2 .verdict-section {
  margin-top: 0;
  padding: 6rem 5%;
  background: var(--black);
  color: #fff;
}

.publication--design-brief-v2 .verdict-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.publication--design-brief-v2 .verdict-header {
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.publication--design-brief-v2 .verdict-line {
  width: 50px;
  height: 1px;
  background: #555;
}

.publication--design-brief-v2 .verdict-label {
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
}

.publication--design-brief-v2 .verdict-title {
  font-family: "Instrument Serif", serif;
  font-size: 3rem;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 2rem;
}

.publication--design-brief-v2 .verdict-text {
  font-family: "Crimson Pro", serif;
  font-size: 1.15rem;
  line-height: 1.75;
  color: #ccc;
  margin-bottom: 1.25rem;
  text-align: left;
}

.publication--design-brief-v2 .verdict-text em {
  color: #fff;
}

.publication--design-brief-v2 .verdict-score {
  margin-top: 2rem;
}

/* Sources */
.publication--design-brief-v2 .citations-section {
  margin-top: 0;
  padding: 0;
  background: none;
  border-top: 0;
}

.publication--design-brief-v2 .citations-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 3.5rem 4%;
}

.publication--design-brief-v2 .citations-title {
  font-family: Inter, sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

.publication--design-brief-v2 .citations-body {
  font-family: Inter, sans-serif;
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--gray-500);
}

.publication--design-brief-v2 .citations-heading {
  font-size: 0.68rem;
  margin-bottom: 0.5rem;
}

.publication--design-brief-v2 .citations-list {
  margin: 0;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 3rem;
}

.publication--design-brief-v2 .citations-item {
  position: relative;
  margin: 0;
  padding: 0.4rem 0 0.4rem 1.75rem;
  font-family: Inter, sans-serif;
  font-size: 0.68rem;
  line-height: 1.6;
  color: var(--gray-500);
  break-inside: avoid;
}

.publication--design-brief-v2 .citations-item::before {
  content: counter(citations);
  position: absolute;
  left: 0;
  top: 0.4rem;
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--gray-400);
}

.publication--design-brief-v2 .citations-body a {
  color: var(--gray-500);
  word-break: break-word;
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: auto;
  text-underline-offset: auto;
}

.publication--design-brief-v2 .citations-note {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
  font-family: Inter, sans-serif;
  font-size: 0.65rem;
  line-height: 1.7;
  color: var(--gray-400);
}

/* Responsive */
@media (max-width: 1100px) {
  .publication--design-brief-v2 .main-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 720px;
  }

  .publication--design-brief-v2 .sidebar {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
    margin-bottom: 0;
    order: -1;
  }

  .publication--design-brief-v2 .citations-list {
    columns: 1;
  }
}

@media (max-width: 768px) {
  .publication--design-brief-v2 .hero h1 {
    font-size: 2.8rem;
  }

  .publication--design-brief-v2 .sidebar {
    grid-template-columns: minmax(0, 1fr);
  }

  .publication--design-brief-v2 .verdict-title {
    font-size: 2.2rem;
  }

  .publication--design-brief-v2 .numbered-panel {
    padding: 1.5rem 1.25rem;
  }
}