:root {
  color-scheme: light;
  --ink: #000000;
  --ink-soft: #1a1a1a;
  --body: #242424;
  --muted: #757575;
  --hairline: #e0e0e0;
  --canvas: #ffffff;
  --canvas-soft: #f5f5f5;
  --link: #1619F3;
  --display: "Playfair Display", "Times New Roman", Georgia, serif;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  padding-bottom: 58px;
  color: var(--body);
  background: var(--canvas);
  font-family: var(--sans);
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.copy a,
.article a,
footer a,
.brief-box a,
.answer-block a {
  color: var(--link);
}

a:hover { color: var(--link); }

.topbar,
header,
.home-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--ink);
}

.topbar {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topbar-inner,
.masthead,
.nav-inner,
main,
.footer-inner {
  width: min(1400px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
}

.masthead {
  padding: 24px 0 20px;
  text-align: center;
}

.brand,
.brand-link {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.5px;
}

.brand {
  font-size: clamp(56px, 10vw, 124px);
}

.brand-link {
  text-decoration: none;
  font-size: 30px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.14em;
}

.brand-mark {
  display: block;
  width: 0.72em;
  height: 0.72em;
  flex: 0 0 auto;
}

.brand-link .brand-lockup {
  gap: 10px;
}

.brand-link .brand-mark {
  width: 30px;
  height: 30px;
}

.deck {
  max-width: 760px;
  margin: 16px auto 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.48;
}

nav,
.site-header nav {
  display: flex;
  gap: 0;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
  padding: 0;
  white-space: nowrap;
}

.home-nav {
  position: sticky;
  top: 0;
  z-index: 12;
}

.nav-inner {
  display: flex;
  justify-content: center;
  gap: 0;
}

nav a,
.site-header nav a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 10px 14px;
  border-right: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:first-child { border-left: 1px solid var(--hairline); }

nav a:hover,
.site-header nav a:hover {
  background: var(--ink);
  color: var(--canvas);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px max(16px, calc((100vw - 1400px) / 2));
  background: var(--canvas);
  border-bottom: 1px solid var(--ink);
}

.site-header nav { justify-content: flex-end; }

.lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: 28px;
  align-items: start;
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--ink);
}

.front-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 32px;
  padding: 42px 0 36px;
  border-bottom: 1px solid var(--ink);
}

.front-lead .article-image {
  margin: 24px 0;
}

.front-rail {
  align-self: stretch;
  border-left: 1px solid var(--ink);
  padding-left: 22px;
}

.label {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
.article h1 {
  max-width: 920px;
  margin: 0 0 18px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(44px, 6.4vw, 82px);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.5px;
}

h2,
.copy h2,
.article h2 {
  margin: 48px 0 14px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(30px, 3.8vw, 48px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.3px;
}

h3,
.story h3,
.rail-section h3 {
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0;
}

.standfirst {
  max-width: 790px;
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.45;
}

.byline,
.caption,
.site-footer,
footer {
  color: var(--muted);
  font-size: 12px;
}

.byline {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 2;
}

.brief-box,
.answer-block {
  margin: 24px 0;
  padding: 18px 0 0;
  border-top: 4px solid var(--ink);
  background: var(--canvas);
  font-family: var(--serif);
  font-size: 17px;
}

.brief-box strong,
.answer-block strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-card,
.side-rail,
.story,
.article,
.rail-section,
.module,
.signal,
.tool-card,
.admin-list,
.editor-panel {
  background: var(--canvas);
  border-radius: 0;
}

.hero-card {
  padding: 0;
}

.hero-card img,
.article-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 0;
  margin-bottom: 8px;
  filter: grayscale(100%);
}

.hero-card:hover img,
.article-image:hover img {
  filter: grayscale(0%);
}

.article-image {
  margin: 32px 0;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 10px;
}

.article-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  padding: 36px 0 64px;
}

.copy {
  max-width: 820px;
  font-family: var(--serif);
  font-size: 18px;
}

.copy p,
.article p,
.copy li,
.article li {
  color: var(--body);
}

.copy p,
.article p { margin: 0 0 18px; }

.copy ul,
.article ul { padding-left: 22px; }

.copy li,
.article li { margin-bottom: 10px; }

.side-rail {
  align-self: start;
  border-left: 1px solid var(--ink);
  padding-left: 20px;
}

.rail-section {
  padding: 0 0 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.rail-section:last-child { margin-bottom: 0; }

.rail-section h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.25;
}

.rail-section p { margin: 0; }

.table-wrap {
  margin: 28px 0;
  overflow-x: auto;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline);
}

th {
  color: var(--ink);
  font-weight: 700;
  background: var(--canvas-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-grid,
.signal-grid,
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0 0 48px;
  border-top: 1px solid var(--ink);
}

.topic-package,
.front-columns,
.method-desk,
.source-strip {
  padding: 36px 0;
  border-bottom: 1px solid var(--ink);
}

.package-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--hairline);
}

.package-main,
.package-card {
  min-height: 230px;
  padding: 18px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.package-main {
  padding-left: 0;
}

.package-card:last-child {
  border-right: 0;
}

.package-main h3,
.package-card h3,
.method-grid h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.12;
}

.package-main p,
.package-card p,
.method-grid p,
.source-strip p {
  margin: 0;
  font-family: var(--serif);
}

.front-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 36px;
}

.column-side {
  border-left: 1px solid var(--ink);
  padding-left: 22px;
}

.ledger-list article {
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

.ledger-list article:first-child {
  padding-top: 0;
}

.ledger-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 17px;
}

.ledger-list span {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--hairline);
}

.method-grid article {
  min-height: 210px;
  padding: 18px;
  border-right: 1px solid var(--hairline);
}

.method-grid article:first-child {
  padding-left: 0;
}

.method-grid article:last-child {
  border-right: 0;
}

.source-strip {
  font-size: 18px;
}

.source-strip strong {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.newsroom {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid var(--ink);
}

.module {
  padding: 0;
}

.module-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.module-header h2 {
  margin: 0;
  font-size: clamp(30px, 3vw, 44px);
  text-transform: none;
}

.news-list {
  display: grid;
  gap: 0;
}

.news-item,
.story-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: 0; }

.news-item h3 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.15;
}

.news-item p {
  margin: 0;
  color: var(--body);
  font-family: var(--serif);
  font-size: 16px;
}

.signal,
.tool-card,
.story {
  min-height: 160px;
  padding: 18px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.signal:nth-child(3n),
.tool-card:nth-child(3n),
.story:nth-child(3n) {
  border-right: 0;
}

.signal strong,
.tool-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
}

.signal span,
.tool-card span {
  color: var(--body);
  font-family: var(--serif);
  font-size: 15px;
}

.story h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.16;
}

.story p {
  margin: 0;
  color: var(--body);
  font-family: var(--serif);
  font-size: 15px;
}

.article {
  width: min(900px, calc(100% - 32px));
  margin: 48px auto 80px;
  padding: 0;
  font-family: var(--serif);
  font-size: 18px;
}

.article .answer-block p { margin-bottom: 0; }

.site-footer,
footer {
  background: var(--ink);
  color: var(--canvas);
  border-top: 1px solid var(--ink);
  padding: 44px 0 70px;
}

footer main {
  width: min(1400px, calc(100% - 32px));
  margin: 0 auto;
}

footer a { color: var(--canvas); }

.bottom-dock {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  padding: 0 max(16px, calc((100vw - 1400px) / 2));
  background: var(--ink);
  color: var(--canvas);
  border-top: 1px solid var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.bottom-dock a {
  color: var(--canvas);
  text-decoration: none;
}

.bottom-dock a:hover {
  color: var(--canvas);
  text-decoration: underline;
}

.bottom-dock-links {
  display: flex;
  gap: 18px;
  align-items: center;
}

.button,
.primary-link,
.admin-actions .primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--canvas);
  font: 700 14px/1 var(--sans);
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.admin-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 40px auto 80px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}

.admin-list,
.editor-panel {
  border: 1px solid var(--ink);
  padding: 18px;
}

.admin-list button {
  width: 100%;
  margin-bottom: 8px;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 0;
  background: transparent;
  text-align: left;
  font: inherit;
}

.admin-list button:hover {
  border-color: var(--ink);
}

textarea,
input[type="text"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

textarea {
  min-height: 540px;
  padding: 14px;
}

input[type="text"],
input[type="file"] {
  padding: 10px 12px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.admin-actions button,
.admin-actions a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-decoration: none;
}

@media (max-width: 900px) {
  .topbar-inner,
  .lead-grid,
  .front-page,
  .article-body,
  .section-grid,
  .newsroom,
  .front-columns,
  .package-grid,
  .method-grid,
  .signal-grid,
  .tool-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .topbar-inner,
  .site-header {
    display: block;
  }

  .nav-inner { justify-content: flex-start; }
  .side-rail,
  .front-rail,
  .column-side {
    border-left: 0;
    padding-left: 0;
  }
  .signal,
  .tool-card,
  .story,
  .package-main,
  .package-card,
  .method-grid article {
    border-right: 0;
    padding-left: 0;
  }
  .bottom-dock {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 16px;
  }
  .bottom-dock-links {
    overflow-x: auto;
  }
}

@media (max-width: 600px) {
  body { padding-bottom: 74px; }
  .brand { font-size: 50px; }
  h1,
  .article h1 {
    font-size: 40px;
  }
  h2,
  .copy h2,
  .article h2 {
    font-size: 30px;
  }
  .article {
    width: min(100% - 24px, 900px);
  }
}