.kb-page {
  --kb-accent: var(--fjord, #1d506b);
  --kb-on-accent: #fff;
  max-width: 1200px;
  margin: auto;
  padding: 0 28px;
  color: var(--text, #1c1917);
  font-family: var(--font-sans, Inter, sans-serif);
}
.kb-page * {
  box-sizing: border-box;
}
.kb-page h1,
.kb-page h2,
.kb-page h3 {
  font-weight: 600;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.kb-page h1 {
  font-size: clamp(36px, 4.8vw, 62px);
  line-height: 1.07;
}
.kb-page h2 {
  font-size: 30px;
  line-height: 1.2;
}
.kb-page p {
  line-height: 1.7;
}
.kb-page a:focus-visible,
.kb-page button:focus-visible,
.kb-page summary:focus-visible,
.kb-page input:focus-visible,
.kb-table-scroll:focus-visible {
  outline: 3px solid #1d506b;
  outline-offset: 5px;
}
.kb-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 10px !important;
  letter-spacing: 0.13em;
  line-height: 1.5 !important;
  font-weight: 500;
  color: #655f58;
  text-transform: uppercase;
}
.kb-kicker span {
  letter-spacing: 0;
  text-transform: none;
}
.kb-hub-header {
  padding: 62px 0 0;
}
.kb-hub-header > div {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: end;
  gap: 80px;
  margin: 18px 0 38px;
}
.kb-hub-header h1 {
  margin: 0;
}
.kb-hub-header > div > p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 420px;
  margin: 0 0 2px;
}
.kb-topic-nav {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  gap: 28px;
  padding: 18px 0;
}
.kb-topic-nav a {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
}
.kb-topic-nav a:last-child {
  margin-left: auto;
}
.kb-topic-nav span {
  font: 10px var(--font-mono, monospace);
  color: #777;
}
.kb-topic-nav a:hover {
  color: var(--kb-accent);
}
.kb-feature-section {
  padding: 32px 0 48px;
}
.kb-card {
  display: block;
  min-width: 0;
}
.kb-card-image {
  position: relative;
  overflow: hidden;
  background: #e8e5e0;
  border-radius: 6px;
}
.kb-card-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1.75;
  object-fit: cover;
  transition: transform 0.35s;
}
.kb-card:hover .kb-card-image img {
  transform: scale(1.025);
}
.kb-card-copy {
  padding-top: 18px;
}
.kb-card-copy > .kb-kicker {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 9px !important;
}
.kb-card h2 {
  font-size: 24px;
  margin: 10px 0 12px;
  max-width: 540px;
}
.kb-card-copy > p:not(.kb-kicker) {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}
.kb-read {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  margin-top: 20px;
}
.kb-featured {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 40px;
  align-items: center;
}
.kb-featured .kb-card-image img {
  aspect-ratio: 1.3;
}
.kb-featured .kb-card-copy {
  padding: 24px 20px 24px 0;
}
.kb-featured .kb-kicker {
  justify-content: flex-start;
  gap: 16px;
}
.kb-featured h2 {
  font-size: 38px;
  margin: 18px 0;
}
.kb-featured .kb-card-copy > p:not(.kb-kicker) {
  font-size: 15px;
}
.kb-featured .kb-read {
  margin-top: 28px;
}
.kb-topic-section {
  padding: 24px 0 48px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.kb-section-label {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
}
.kb-section-label > span {
  font: 11px var(--font-mono, monospace);
  color: #746e66;
}
.kb-section-label h2 {
  font-size: 22px;
  margin: 0;
}
.kb-section-label p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 0 auto;
}
.kb-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.kb-topic-map {
  background: #f0efec;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px;
  margin: 16px 0 72px;
  scroll-margin-top: 90px;
}
.kb-topic-map h2 {
  margin: 10px 0 30px;
}
.kb-topic-map > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.kb-map-num {
  font: 11px var(--font-mono, monospace);
  color: #6d6459;
}
.kb-map-group h3 {
  font-size: 18px;
  margin: 10px 0 20px;
}
.kb-map-group a {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid #d7d3cc;
  padding: 14px 0;
}
.kb-map-group a svg {
  flex-shrink: 0;
  margin-top: 3px;
}
.kb-map-group a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.kb-map-note {
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid #d7d3cc;
  padding-top: 20px;
  margin: 20px 0 0;
}
.kb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11px;
  color: var(--text-secondary);
  padding: 30px 0;
}
.kb-breadcrumb a:hover {
  text-decoration: underline;
}
.kb-article-header {
  max-width: 840px;
  margin: 24px auto 36px;
}
.kb-article-header h1 {
  font-size: clamp(34px, 4.1vw, 54px);
  margin: 15px 0 22px;
  line-height: 1.12;
}
.kb-intro {
  font-size: 18px;
  line-height: 1.7 !important;
  color: #57534e;
}
.kb-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 11px;
  color: #706960;
  margin: 24px 0;
}
.kb-byline a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.kb-summary {
  background: #eeede9;
  padding: 20px 24px;
  margin-top: 26px;
  border-radius: 5px;
}
.kb-summary ul {
  list-style: disc;
  margin: 0;
  padding-left: 17px;
}
.kb-summary li {
  font-size: 14px;
  line-height: 1.65;
  margin: 5px 0;
  padding-left: 4px;
}
.kb-hero {
  margin: 0 0 48px;
}
.kb-hero img {
  width: 100%;
  height: auto;
  max-height: 540px;
  aspect-ratio: 2.15;
  object-fit: cover;
  border-radius: 7px;
}
.kb-hero figcaption {
  font-size: 10px;
  color: #756e65;
  margin-top: 9px;
  text-align: right;
}
.kb-reading-layout {
  display: grid;
  grid-template-columns: 215px minmax(0, 1fr);
  gap: 58px;
  align-items: start;
}
.kb-toc {
  position: sticky;
  top: 94px;
}
.kb-toc .kb-kicker {
  margin-bottom: 18px;
}
.kb-toc a {
  display: flex;
  gap: 10px;
  font-size: 11px;
  line-height: 1.65;
  color: #655f58;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.kb-toc a > span {
  font-family: var(--font-mono, monospace);
  color: #887f75;
  min-width: 20px;
}
.kb-toc a:hover {
  color: #1c1917;
  text-decoration: underline;
}
.kb-prose-section {
  max-width: 730px;
  margin: 0 0 38px;
  scroll-margin-top: 90px;
}
.kb-prose-section h2 {
  font-size: 28px;
  margin: 0 0 20px;
}
.kb-prose-section p {
  font-size: 16px;
  line-height: 1.85;
  color: #48443f;
  margin: 0 0 18px;
}
.kb-prose-section ul {
  list-style: disc;
  padding-left: 21px;
}
.kb-prose-section li {
  font-size: 15px;
  line-height: 1.8;
  color: #48443f;
  margin: 10px 0;
}
.kb-table-scroll {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 5px;
}
.kb-table-scroll table {
  border-collapse: collapse;
  width: 100%;
  min-width: 440px;
  font-size: 12px;
  line-height: 1.65;
  text-align: left;
}
.kb-table-scroll th,
.kb-table-scroll td {
  padding: 14px 15px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.kb-table-scroll thead th {
  background: #efeeea;
  font-weight: 600;
}
.kb-table-scroll tbody th {
  font-weight: 500;
  width: 31%;
}
.kb-table-scroll tr:last-child td,
.kb-table-scroll tr:last-child th {
  border-bottom: 0;
}
.kb-prose-section .kb-source-inline {
  font-size: 11px;
  color: #756f67;
}
.kb-source-inline a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.kb-explainer {
  background: #f1f0ed;
  border-radius: 10px;
  padding: 24px;
  margin: 36px 0 48px;
}
.kb-explainer h2 {
  font-size: 25px;
  margin: 10px 0;
}
.kb-explainer-intro {
  font-size: 12px;
  color: #6d675f;
  margin: 0 0 22px;
}
.kb-explainer-grid {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 24px;
  align-items: start;
}
.kb-diagram-frame {
  aspect-ratio: 1;
  overflow: hidden;
  background: transparent;
}
.kb-diagram-transform {
  position: relative;
  transition: transform 0.45s ease;
}
.kb-diagram-frame img {
  width: 100%;
  height: auto;
  display: block;
}
.kb-hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  background: var(--kb-accent);
  color: var(--kb-on-accent);
  border: 2px solid white;
  border-radius: 50%;
  min-width: 36px;
  height: 36px;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 4px #0002;
}
.kb-hotspot:hover,
.kb-hotspot.is-active {
  background: #1c1917;
  color: #fff;
}
.kb-diagram-caption {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  font-size: 9px;
  color: #6d675f;
  line-height: 1.6;
  padding-top: 10px;
}
.kb-diagram-caption button {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0;
  font-size: 11px;
  text-decoration: underline;
  cursor: pointer;
}
.kb-diagram-caption button:disabled {
  opacity: 0.45;
  cursor: default;
}
.kb-prose-section p a {
  color: var(--kb-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.kb-explanations {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kb-explanations li {
  border-radius: 6px;
  padding: 6px;
  transition: background 0.2s;
}
.kb-explanations li.is-active {
  background: #fff;
}
.kb-explanations button {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 0;
  color: #1c1917;
  min-height: 36px;
}
.kb-explanations button span {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--kb-accent);
  color: var(--kb-on-accent);
  width: 29px;
  height: 29px;
  border-radius: 50%;
  font-size: 12px;
}
.kb-explanations strong {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}
.kb-explanations p {
  font-size: 12px;
  line-height: 1.7;
  color: #5c5750;
  margin: 6px 0 0 39px;
}
.kb-calculator {
  background: #fff;
  border: 1px solid #d6d3cd;
  border-radius: 8px;
  padding: 28px;
  margin: 35px 0 45px;
}
.kb-calculator h2 {
  font-size: 26px;
  margin: 10px 0;
}
.kb-calculator > div > p:not(.kb-kicker) {
  font-size: 13px;
  color: #655f58;
}
.kb-calculator-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 15px;
  align-items: center;
  margin-top: 22px;
}
.kb-calculator label {
  font-size: 11px;
  font-weight: 500;
}
.kb-calculator input {
  display: block;
  width: 100%;
  min-height: 45px;
  margin-top: 8px;
  border: 1px solid #ccc7be;
  border-radius: 4px;
  padding: 10px 12px;
  font-size: 17px;
  background: #fafaf9;
  color: #1c1917;
}
.kb-calculator output {
  border-left: 1px solid #ddd8cf;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.kb-calculator output span {
  font-size: 10px;
  color: #655f58;
}
.kb-calculator output strong {
  font-size: 28px;
  letter-spacing: -0.04em;
}
.kb-calculator output small {
  font-size: 11px;
  color: #655f58;
}
.kb-calculator-note {
  font-size: 10px;
  color: #706a62;
  margin: 16px 0 0;
}
.kb-faq {
  margin: 50px 0;
  scroll-margin-top: 90px;
}
.kb-faq h2 {
  margin: 10px 0 24px;
}
.kb-faq details {
  border-top: 1px solid var(--line);
}
.kb-faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.kb-faq summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  line-height: 1.6;
}
.kb-faq summary::-webkit-details-marker {
  display: none;
}
.kb-faq summary span {
  font-size: 20px;
  font-weight: 400;
  transition: transform 0.2s;
}
.kb-faq details[open] summary span {
  transform: rotate(45deg);
}
.kb-faq details p {
  font-size: 14px;
  color: #57534e;
  margin: 0 0 20px;
}
.kb-sources {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  scroll-margin-top: 90px;
}
.kb-sources h2 {
  font-size: 21px;
}
.kb-sources > p {
  font-size: 12px;
  color: #706a62;
  margin: 12px 0 22px;
}
.kb-sources a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.kb-sources > div > p {
  font-size: 11px;
  color: #706a62;
  margin: 8px 0 18px;
}
.kb-next-step {
  font-size: 16px;
  margin: 35px 0 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.kb-related {
  border-top: 1px solid var(--line);
  padding: 38px 0 60px;
  margin-top: 64px;
}
.kb-related > h2 {
  margin: 12px 0 28px;
}
.kb-all-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  margin-top: 30px;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.kb-not-found {
  padding: 80px 28px;
}
.kb-not-found a {
  text-decoration: underline;
}
.kb-static-nav {
  max-width: 1200px;
  margin: auto;
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e7e5e0;
  font-size: 13px;
}
.kb-static-nav > div {
  display: flex;
  gap: 24px;
}
.kb-static-nav img {
  height: 22px;
}
.kb-static-footer {
  border-top: 1px solid #e7e5e0;
  max-width: 1200px;
  margin: auto;
  padding: 32px 28px;
  font-size: 12px;
  display: flex;
  gap: 28px;
}
@media (min-width: 1350px) {
  .kb-explainer {
    margin-left: -10px;
    margin-right: -10px;
  }
  .kb-explainer-grid {
    gap: 26px;
  }
}
@media (max-width: 1000px) {
  .kb-hub-header > div {
    gap: 30px;
  }
  .kb-featured {
    gap: 25px;
  }
  .kb-featured h2 {
    font-size: 30px;
  }
  .kb-reading-layout {
    grid-template-columns: 165px minmax(0, 1fr);
    gap: 28px;
  }
  .kb-explainer-grid {
    grid-template-columns: 1fr;
  }
  .kb-diagram-frame {
    max-width: 500px;
    margin: auto;
  }
  .kb-explanations {
    gap: 10px;
  }
  .kb-section-label p {
    display: none;
  }
}
@media (max-width: 700px) {
  .kb-page {
    padding: 0 20px;
  }
  .kb-hub-header {
    padding-top: 36px;
  }
  .kb-hub-header > div {
    grid-template-columns: 1fr;
    gap: 22px;
    margin: 18px 0 25px;
  }
  .kb-hub-header > div > p {
    font-size: 14px;
  }
  .kb-topic-nav {
    gap: 16px 22px;
  }
  .kb-topic-nav a {
    font-size: 11px;
  }
  .kb-topic-nav a:last-child {
    margin-left: 0;
  }
  .kb-featured {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .kb-featured .kb-card-image img {
    aspect-ratio: 1.5;
  }
  .kb-featured .kb-card-copy {
    padding: 22px 0 0;
  }
  .kb-featured h2 {
    font-size: 29px;
    margin: 12px 0;
  }
  .kb-featured .kb-card-copy > p:not(.kb-kicker) {
    font-size: 14px;
  }
  .kb-feature-section {
    padding: 24px 0 34px;
  }
  .kb-card-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .kb-card h2 {
    font-size: 25px;
  }
  .kb-topic-section {
    padding: 24px 0 34px;
  }
  .kb-section-label {
    margin-bottom: 24px;
  }
  .kb-section-label h2 {
    font-size: 20px;
  }
  .kb-topic-map {
    padding: 24px;
    margin: 10px 0 40px;
  }
  .kb-topic-map > div {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .kb-topic-map h2 {
    font-size: 26px;
  }
  .kb-map-group h3 {
    margin: 5px 0 12px;
  }
  .kb-breadcrumb {
    padding: 24px 0;
    font-size: 10px;
  }
  .kb-article-header {
    margin: 10px 0 26px;
  }
  .kb-article-header h1 {
    font-size: 35px;
  }
  .kb-intro {
    font-size: 16px;
  }
  .kb-byline {
    font-size: 10px;
    gap: 9px 14px;
  }
  .kb-summary {
    padding: 15px 16px;
  }
  .kb-summary li {
    font-size: 12px;
  }
  .kb-hero {
    margin-bottom: 26px;
  }
  .kb-hero img {
    aspect-ratio: 1.5;
  }
  .kb-hero figcaption {
    font-size: 9px;
    text-align: left;
  }
  .kb-reading-layout {
    display: block;
  }
  .kb-toc {
    position: static;
    margin-bottom: 32px;
    padding: 18px 20px;
    background: #eeede9;
    border-radius: 6px;
  }
  .kb-toc .kb-kicker {
    margin: 0 0 8px;
  }
  .kb-toc a {
    font-size: 12px;
    padding: 8px 0;
  }
  .kb-prose-section h2 {
    font-size: 26px;
  }
  .kb-prose-section p {
    font-size: 15px;
    line-height: 1.8;
  }
  .kb-explainer {
    padding: 20px 16px;
    margin: 28px -6px 38px;
  }
  .kb-explainer h2 {
    font-size: 24px;
  }
  .kb-explainer-grid {
    gap: 20px;
  }
  .kb-hotspot {
    min-width: 38px;
    height: 38px;
  }
  .kb-explanations li {
    padding: 6px 0;
  }
  .kb-explanations p {
    font-size: 13px;
    margin-left: 42px;
  }
  .kb-explanations strong {
    font-size: 14px;
  }
  .kb-explanations button span {
    width: 32px;
    height: 32px;
  }
  .kb-calculator {
    padding: 20px;
  }
  .kb-calculator-fields {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .kb-calculator output {
    grid-column: 1/-1;
    border-left: 0;
    border-top: 1px solid #ddd8cf;
    padding: 14px 0 0;
  }
  .kb-calculator h2 {
    font-size: 24px;
  }
  .kb-related {
    margin-top: 40px;
  }
  .kb-static-nav {
    padding: 18px 20px;
  }
  .kb-static-nav > div {
    gap: 12px;
  }
  .kb-static-footer {
    flex-wrap: wrap;
    padding: 24px 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .kb-page * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  .kb-toc,
  .kb-topic-nav,
  .kb-diagram-caption button,
  .kb-related {
    display: none;
  }
  .kb-reading-layout {
    display: block;
  }
  .kb-page {
    max-width: none;
  }
  .kb-prose-section {
    max-width: none;
  }
  .kb-diagram-transform {
    transform: none !important;
  }
  .kb-faq details > p {
    display: block !important;
  }
  .kb-explainer {
    break-inside: avoid;
  }
  .kb-hero img {
    max-height: 220px;
  }
}