:root {
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Arial, Helvetica, sans-serif;

  --color-ink: #172033;
  --color-ink-soft: #344258;
  --color-muted: #6f7b8c;
  --color-faint: #9aa5b3;
  --color-paper: #f7f3ed;
  --color-surface: #fffdf9;
  --color-surface-alt: #f1f5f7;
  --color-header: #101b2d;
  --color-header-2: #16263b;
  --color-line: #d8dee5;
  --color-line-soft: #e7ebef;
  --color-accent: #9a3f38;
  --color-accent-dark: #732f2a;
  --color-focus: #287d9a;

  --container: 1240px;
  --gutter: clamp(18px, 4vw, 48px);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --step--2: 0.75rem;
  --step--1: 0.86rem;
  --step-0: 1rem;
  --step-1: 1.12rem;
  --step-2: 1.32rem;
  --step-3: 1.68rem;
  --step-4: clamp(2.25rem, 5vw, 4.7rem);

  --leading-tight: 1.12;
  --leading-copy: 1.62;
  --leading-ui: 1.42;

  --radius-sm: 4px;
  --radius-md: 8px;
  --border: 1px solid var(--color-line);
  --border-soft: 1px solid var(--color-line-soft);
  --shadow-subtle: 0 1px 2px rgba(23, 32, 51, 0.05);
}

/* Editorial hierarchy: canon, theses, reading paths and archive metadata */
main > .author-note {
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-ink);
  padding: var(--space-7) 0 var(--space-5);
}

.author-note h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.2;
}

.theses-section,
.reading-key {
  border-top: var(--border);
  padding: var(--space-7) 0;
}

.thesis-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--space-7);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: thesis;
}

.thesis-list li {
  position: relative;
  min-height: 88px;
  border-top: var(--border-soft);
  padding: var(--space-4) 0 var(--space-4) 42px;
  color: var(--color-ink-soft);
  line-height: 1.55;
  counter-increment: thesis;
}

.thesis-list li::before {
  content: counter(thesis, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--color-accent-dark);
  font-size: var(--step--2);
  font-weight: 700;
}

.reading-key-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
  margin: 0;
}

.reading-key-grid > div {
  border-top: 1px solid var(--color-ink);
  padding-top: var(--space-3);
}

.reading-key-grid dt {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
}

.reading-key-grid dd {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: var(--step--1);
  line-height: 1.5;
}

.concept-families {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.question-audience,
.question-count {
  color: var(--color-accent-dark);
  font-size: var(--step--2);
  font-weight: 700;
}

.question-intro {
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  line-height: 1.55;
}

.question-count {
  margin-top: auto;
  color: var(--color-muted);
  font-weight: 500;
}

.archive-heading {
  margin-top: var(--space-8);
  border-top: 3px solid var(--color-ink);
  padding-top: var(--space-5);
}

.archive-heading h2 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-serif);
  font-size: var(--step-3);
  font-weight: 600;
}

.editorial-status {
  display: flex;
  gap: var(--space-3);
  color: var(--color-muted);
  font-size: var(--step--2);
  font-weight: 700;
}

.editorial-status span:first-child {
  color: var(--color-accent-dark);
}

.related-reading {
  display: grid;
  gap: var(--space-1);
  border-top: var(--border-soft);
  padding-top: var(--space-3);
  font-size: var(--step--2);
  line-height: 1.45;
}

.related-reading span {
  color: var(--color-faint);
  font-weight: 700;
}

.related-reading a {
  color: var(--color-muted);
  text-decoration-color: var(--color-line);
  text-underline-offset: 3px;
}

.related-reading a:hover {
  color: var(--color-accent-dark);
}

@media (max-width: 1020px) {
  .reading-key-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .thesis-list,
  .reading-key-grid {
    grid-template-columns: 1fr;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: var(--leading-copy);
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

.site-header {
  background: linear-gradient(115deg, var(--color-header) 0%, var(--color-header-2) 100%);
  color: #fffaf3;
  border-bottom: 1px solid rgba(255, 250, 243, 0.14);
}

.header-inner,
main,
.site-footer {
  width: min(var(--container), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.header-inner {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--space-5);
  row-gap: var(--space-5);
  padding-block: clamp(34px, 7vw, 72px) clamp(38px, 7vw, 76px);
}

.kicker {
  grid-column: 1 / -1;
  margin: 0;
  color: #d5b7a7;
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: var(--leading-ui);
  text-transform: uppercase;
}

h1 {
  grid-column: 1 / 8;
  max-width: 780px;
  margin: 0;
  color: #fffaf3;
  font-family: var(--font-serif);
  font-size: var(--step-4);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.98;
}

.subtitle {
  grid-column: 8 / -1;
  align-self: end;
  max-width: 430px;
  margin: 0;
  border-left: 1px solid rgba(213, 183, 167, 0.45);
  padding-left: var(--space-5);
  color: #dfe7ee;
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
  line-height: 1.42;
}

.intro {
  grid-column: 1 / 8;
  max-width: 700px;
  margin: 0;
  color: #aeb9c5;
  font-size: var(--step-0);
  line-height: 1.65;
}

main {
  padding-block: var(--space-6) var(--space-8);
}

.controls {
  border-top: 3px solid var(--color-ink);
  border-bottom: var(--border);
  background: var(--color-surface);
  padding: var(--space-6);
  box-shadow: var(--shadow-subtle);
}

.section-heading {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-5);
  align-items: start;
  margin-bottom: var(--space-5);
}

.section-heading-compact {
  margin-bottom: var(--space-4);
}

.section-heading h2 {
  grid-column: 1 / 4;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  letter-spacing: 0;
  line-height: var(--leading-tight);
}

.section-heading p {
  grid-column: 4 / 10;
  max-width: 680px;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--step--1);
  line-height: var(--leading-copy);
}

.controls-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.32fr) auto;
  gap: var(--space-5);
  align-items: end;
}

.field {
  display: grid;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: var(--leading-ui);
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  border-radius: 0;
  background: transparent;
  color: var(--color-ink);
  padding: 8px 0 10px;
  font-size: var(--step-0);
  line-height: var(--leading-ui);
}

input::placeholder {
  color: var(--color-faint);
}

select {
  cursor: pointer;
}

input:hover,
select:hover {
  border-bottom-color: var(--color-muted);
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.clear-button {
  min-height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  padding: 8px 12px;
  cursor: pointer;
  font-size: var(--step--1);
  font-weight: 600;
  line-height: var(--leading-ui);
}

.clear-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.results-bar {
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-size: var(--step--1);
  line-height: var(--leading-ui);
}

.results-bar p {
  margin: 0;
}

.search-insight {
  max-width: 780px;
  margin: var(--space-2) 0 0;
  color: var(--color-accent-dark);
  font-size: var(--step--1);
  line-height: var(--leading-copy);
}

.topic-strip {
  padding-block: var(--space-8) var(--space-6);
}

.concept-families {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.concept-family {
  min-height: 150px;
  border-top: 1px solid var(--color-ink);
  background: transparent;
  padding-top: var(--space-4);
}

.concept-family h3 {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: 0;
  line-height: var(--leading-ui);
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.keyword-chip,
.tag {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 253, 249, 0.72);
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  line-height: 1.22;
}

.keyword-chip {
  gap: var(--space-2);
  padding: 6px 9px;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.keyword-chip:hover {
  border-color: var(--color-accent);
  background: var(--color-surface);
  color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.keyword-chip.is-active {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
  color: #fffaf3;
}

.keyword-chip.is-broad {
  color: var(--color-muted);
}

.chip-count {
  color: var(--color-faint);
  font-size: 0.72rem;
}

.keyword-chip.is-active .chip-count {
  color: rgba(255, 250, 243, 0.78);
}

.question-strip {
  border-top: var(--border);
  padding-block: var(--space-7) var(--space-4);
}

.question-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.question-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  min-height: 152px;
  border: var(--border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  padding: var(--space-5);
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.question-card:hover,
.question-card.is-active {
  border-color: var(--color-line-strong, var(--color-line));
  background: #fff;
}

.question-card:hover {
  transform: translateY(-1px);
}

.question-card.is-active {
  border-left-color: var(--color-accent-dark);
}

.question-card strong {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.3;
}

.question-concepts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: var(--step--2);
  line-height: var(--leading-ui);
}

.question-concepts span {
  border-bottom: 1px solid var(--color-line);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 2px solid var(--color-ink);
  background: var(--color-surface);
  padding: var(--space-5);
  box-shadow: var(--shadow-subtle);
}

.article-card:hover {
  background: #fff;
}

.article-meta {
  display: grid;
  gap: var(--space-1);
  color: var(--color-muted);
  font-size: var(--step--2);
  line-height: var(--leading-ui);
}

.article-meta span:first-child {
  color: var(--color-accent);
  font-weight: 700;
}

.article-card h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.22;
}

.article-summary {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  line-height: var(--leading-copy);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--space-2);
}

.tag {
  padding: 3px 7px;
  color: var(--color-muted);
  font-size: 0.72rem;
}

.tag-expanded {
  background: var(--color-surface-alt);
}

.tag-more {
  border-color: transparent;
  background: transparent;
  color: var(--color-muted);
  font-style: italic;
  padding-left: 0;
}

.reading-uses {
  margin: calc(var(--space-1) * -1) 0 0;
  color: var(--color-faint);
  font-size: var(--step--2);
  line-height: var(--leading-ui);
}

.medium-link {
  display: inline-flex;
  align-self: flex-start;
  margin-top: var(--space-1);
  color: var(--color-accent-dark);
  font-size: var(--step--1);
  font-weight: 600;
  line-height: var(--leading-ui);
  text-decoration: underline;
  text-decoration-color: rgba(115, 47, 42, 0.28);
  text-underline-offset: 4px;
}

.medium-link::after {
  content: "";
}

.medium-link:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

.empty-state {
  margin: var(--space-7) 0 0;
  border-top: var(--border);
  padding-top: var(--space-5);
  color: var(--color-muted);
}

.site-footer {
  border-top: var(--border);
  padding-block: var(--space-5) var(--space-6);
  color: var(--color-muted);
  font-size: var(--step--1);
}

.site-footer p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 1020px) {
  .header-inner,
  .section-heading {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  h1,
  .intro {
    grid-column: 1 / -1;
  }

  .subtitle {
    grid-column: 1 / -1;
    max-width: 760px;
    border-left: 0;
    border-top: 1px solid rgba(213, 183, 167, 0.45);
    padding: var(--space-4) 0 0;
  }

  .section-heading h2 {
    grid-column: 1 / 3;
  }

  .section-heading p {
    grid-column: 3 / -1;
  }

  .controls-grid,
  .concept-families,
  .question-list,
  .articles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clear-button {
    justify-self: start;
  }
}

@media (max-width: 700px) {
  .header-inner,
  main,
  .site-footer {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    display: block;
    padding-block: var(--space-6) var(--space-7);
  }

  .kicker {
    margin-bottom: var(--space-4);
  }

  h1 {
    font-size: clamp(2.15rem, 11vw, 3.35rem);
  }

  .subtitle {
    margin-top: var(--space-5);
  }

  .intro {
    margin-top: var(--space-4);
  }

  main {
    padding-bottom: var(--space-7);
  }

  .controls {
    padding: var(--space-5);
  }

  .section-heading,
  .controls-grid,
  .concept-families,
  .question-list,
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .section-heading p {
    grid-column: auto;
  }

  .topic-strip {
    padding-block: var(--space-7) var(--space-5);
  }

  .question-strip {
    padding-block: var(--space-6) var(--space-3);
  }

  .articles-grid {
    margin-top: var(--space-7);
  }
}

/* Atlas structure: curation, series, thematic art and progressive results */
:root {
  --color-teal: #24768a;
  --color-sea: #427a70;
  --color-indigo: #596a92;
  --color-ochre: #b17735;
  --color-sage: #66806e;
  --color-violet: #6e6489;
  --color-blue: #426b8c;
  --color-rose: #a65d62;
}

.site-header {
  background: var(--color-header);
}

.editorial-note {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-5);
  padding: var(--space-7) 0 var(--space-8);
  border-bottom: var(--border);
}

.section-label {
  grid-column: 1 / 4;
  margin: 0;
  color: var(--color-accent-dark);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.editorial-note h2,
.editorial-note > p:last-child {
  grid-column: 4 / 10;
}

.editorial-note-content {
  grid-column: 4 / 11;
  max-width: 760px;
}

.editorial-note h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.2;
}

.editorial-note > p:last-child {
  margin: calc(var(--space-3) * -1) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--step-1);
}

.editorial-note-content > p {
  margin: var(--space-4) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--step-0);
  line-height: 1.72;
}

.author-note {
  margin-top: var(--space-7);
  border-top: 1px solid var(--color-ink);
  padding-top: var(--space-5);
}

.author-note .section-label {
  margin-bottom: var(--space-3);
}

.author-layout {
  display: grid;
  grid-template-columns: clamp(240px, 30vw, 310px) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.author-portrait {
  margin: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.author-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 34%;
  transform: scale(1.08);
  transform-origin: 50% 34%;
}

.author-note h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.2;
}

.author-copy p {
  margin: var(--space-4) 0 0;
  color: var(--color-ink-soft);
  line-height: 1.72;
}

.author-copy .author-profile-link {
  margin-top: var(--space-5);
  font-size: var(--step--1);
  font-weight: 600;
}

.author-profile-link a {
  color: var(--color-accent-dark);
  text-decoration-color: rgba(115, 47, 42, 0.3);
  text-underline-offset: 4px;
}

.author-profile-link a:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

.featured-section {
  padding: var(--space-8) 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-5);
}

.featured-card {
  grid-column: span 4;
  display: grid;
  grid-template-rows: 190px 1fr;
  min-width: 0;
  border-top: 2px solid var(--color-ink);
  background: var(--color-surface);
}

.featured-card:nth-child(1),
.featured-card:nth-child(2) {
  grid-column: span 6;
  grid-template-columns: minmax(180px, 0.72fr) 1fr;
  grid-template-rows: 1fr;
}

.featured-art {
  display: grid;
  place-items: center;
  min-height: 180px;
  overflow: hidden;
  background: var(--color-surface-alt);
}

.featured-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-5);
}

.featured-topic {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--step--2);
  font-weight: 700;
}

.featured-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-2);
  line-height: 1.2;
}

.featured-card p:not(.featured-topic) {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  line-height: 1.55;
}

.featured-card a {
  margin-top: auto;
  color: var(--color-accent-dark);
  font-size: var(--step--1);
  font-weight: 600;
  text-underline-offset: 4px;
}

.topic-art {
  width: min(72%, 170px);
  color: var(--color-accent);
}

.topic-art g {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.topic-art-care { color: var(--color-rose); }
.topic-art-change { color: var(--color-sea); }
.topic-art-power { color: var(--color-accent); }
.topic-art-value { color: var(--color-ochre); }
.topic-art-clinical { color: var(--color-blue); }
.topic-art-purpose { color: var(--color-sage); }
.topic-art-technology { color: var(--color-violet); }
.topic-art-learning { color: var(--color-indigo); }

.topic-art-compact {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
}

.topic-art-compact g {
  stroke-width: 5;
}

.topic-select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.topic-mark {
  display: none;
  width: 26px;
  margin-right: var(--space-2);
}

.topic-mark.is-visible {
  display: inline-flex;
}

.results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  border-top: var(--border-soft);
  padding-top: var(--space-4);
}

.view-switcher {
  display: inline-flex;
  gap: var(--space-4);
}

.view-button {
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  padding: 2px 0;
  color: var(--color-muted);
  cursor: pointer;
  font-size: var(--step--1);
}

.view-button:hover,
.view-button.is-active {
  border-bottom-color: var(--color-accent);
  color: var(--color-ink);
}

.concept-families {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.concept-family h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.keyword-cloud {
  align-items: baseline;
}

.keyword-chip {
  border-color: transparent;
  border-bottom-color: var(--color-line);
  border-radius: 0;
  background: transparent;
  padding: 5px 3px;
  font-size: var(--concept-scale, var(--step--1));
}

.keyword-chip.is-broad {
  color: var(--color-ink-soft);
}

.series-strip {
  border-top: var(--border);
  padding: var(--space-7) 0 var(--space-5);
}

.series-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.series-entry {
  display: grid;
  gap: var(--space-2);
  border: 0;
  border-top: 1px solid var(--color-ink);
  background: transparent;
  padding: var(--space-4) 0;
  color: var(--color-muted);
  text-align: left;
  cursor: pointer;
}

.series-entry:hover,
.series-entry.is-active {
  border-top-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.series-name {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: var(--step-1);
  font-weight: 600;
}

.series-kicker {
  align-self: flex-start;
  border: 0;
  border-bottom: 1px solid var(--color-accent);
  background: transparent;
  padding: 0 0 3px;
  color: var(--color-accent-dark);
  font-size: var(--step--2);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.articles-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-7) var(--space-6);
}

.article-card {
  box-shadow: none;
}

.article-meta span:nth-child(2) {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  padding: var(--space-7) 0 0;
}

.load-more {
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: transparent;
  padding: 11px 18px;
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 600;
}

.load-more:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.articles-grid.is-timeline {
  display: block;
}

.timeline-year {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: var(--space-6);
  border-top: 3px solid var(--color-ink);
  padding: var(--space-5) 0 var(--space-8);
}

.timeline-year > h2 {
  position: sticky;
  top: var(--space-4);
  align-self: start;
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--step-3);
  line-height: 1;
}

.timeline-year > h2 span {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-sans);
  font-size: var(--step--2);
  font-weight: 400;
}

.timeline-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 1020px) {
  .featured-card,
  .featured-card:nth-child(1),
  .featured-card:nth-child(2) {
    grid-column: span 6;
    grid-template-columns: 1fr;
    grid-template-rows: 170px 1fr;
  }

  .concept-families {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .editorial-note {
    display: block;
    padding: var(--space-6) 0 var(--space-7);
  }

  .editorial-note h2 {
    margin-top: var(--space-3);
  }

  .editorial-note-content {
    max-width: none;
  }

  .author-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .author-portrait {
    width: 100%;
    aspect-ratio: 4 / 5;
  }

  .author-copy h3 {
    font-size: var(--step-1);
  }


  .editorial-note > p:last-child {
    margin-top: var(--space-3);
  }

  .featured-section {
    padding: var(--space-7) 0;
  }

  .featured-card,
  .featured-card:nth-child(1),
  .featured-card:nth-child(2) {
    grid-column: 1 / -1;
  }

  .results-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .concept-families,
  .series-list,
  .articles-grid,
  .timeline-list {
    grid-template-columns: 1fr;
  }

  .timeline-year {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .timeline-year > h2 {
    position: static;
  }
}

@media (min-width: 1021px) {
  .concept-families {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1020px) {
  .reading-key-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .thesis-list,
  .reading-key-grid {
    grid-template-columns: 1fr;
  }
}