.hub-page {
  padding-block: 104px 80px;
  min-height: 100vh;
}

.hub-wrap {
  max-width: 920px;
}

.hub-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.hub-breadcrumb li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.hub-breadcrumb li + li::before {
  content: "/";
  margin-inline-end: 10px;
}

.hub-breadcrumb a {
  color: var(--ink-soft);
}

.hub-hero {
  padding-block: 28px 32px;
  border-block-end: 1px solid var(--rule);
}

.hub-kicker,
.hub-label,
.hub-says figcaption,
.hub-stats {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hub-kicker {
  margin-block-end: 14px;
  color: var(--blueprint);
  font-weight: 700;
}

.hub-hero h1 {
  max-width: 820px;
  font-size: clamp(min(2.4rem, 11vw), 6vw, 4.2rem);
  line-height: 0.95;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hub-lede {
  max-width: 720px;
  margin-block-start: 20px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
}

.hub-hero > p:not(.hub-kicker):not(.hub-lede) {
  max-width: 720px;
  margin-block-start: 14px;
  color: var(--ink-soft);
}

.hub-says {
  max-width: 720px;
  margin-block-start: 22px;
  padding: 14px 18px;
  border-inline-start: 3px solid var(--blueprint);
  background: var(--bg-surface);
}

.hub-says figcaption {
  margin-block-end: 6px;
  color: var(--ink-mute);
}

.hub-says blockquote p {
  font-style: italic;
}

.hub-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: 22px;
  list-style: none;
  color: var(--ink-soft);
}

.hub-stats li {
  padding: 6px 10px;
  border: 1px solid var(--rule-soft);
  background: var(--bg-surface);
}

.hub-stats strong {
  color: var(--blueprint);
}

.hub-section {
  padding-block: 32px;
  border-block-end: 1px solid var(--rule-soft);
}

.hub-section h2 {
  margin-block-end: 16px;
  font-size: clamp(min(1.6rem, 8vw), 3.4vw, 2.2rem);
  line-height: 1;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hub-section > p {
  max-width: 760px;
}

.hub-section > p + p,
.hub-section > ul + p,
.hub-section > pre + p {
  margin-block-start: 12px;
}

.hub-label {
  display: inline-block;
  margin-block: 14px 8px;
  color: var(--ink-mute);
  font-weight: 700;
}

.hub-section > p > .hub-label {
  margin-block: 0;
  margin-inline-end: 8px;
}

.hub-code {
  max-width: 100%;
  margin-block: 10px 14px;
  padding: 12px 14px;
  overflow-x: auto;
  background: var(--code-bg);
  border: 1px solid var(--rule-soft);
  font-size: 0.82rem;
  line-height: 1.5;
}

.hub-lessons {
  list-style: none;
}

.hub-lessons li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding-block: 12px;
  border-block-start: 1px solid var(--rule-soft);
}

.hub-lessons li:first-child {
  border-block-start: none;
}

.hub-lessons li > div {
  grid-column: 2;
  min-width: 0;
}

.hub-lessons li > div:only-child {
  grid-column: 1 / -1;
}

.hub-num {
  color: var(--blueprint);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
}

.hub-lessons a {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.hub-lessons p {
  margin-block-start: 4px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.hub-lessons .hub-meta {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hub-terms {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 14px 28px;
  list-style: none;
}

.hub-terms li {
  min-width: 0;
}

.hub-terms a {
  display: inline-block;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.hub-terms span {
  display: block;
  margin-block-start: 2px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.hub-columns {
  columns: 15rem auto;
  column-gap: 32px;
  list-style: none;
}

.hub-columns li {
  break-inside: avoid;
  padding-block: 3px;
  font-size: 0.95rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.hub-sources {
  padding-inline-start: 1.2em;
}

.hub-sources li + li {
  margin-block-start: 6px;
}

.hub-sources a {
  overflow-wrap: anywhere;
}

.hub-faq h3 {
  margin-block: 22px 8px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
  text-transform: none;
}

.hub-faq h3:first-of-type {
  margin-block-start: 0;
}

.hub-faq p {
  max-width: 760px;
}

.hub-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px;
  border-block-end: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.hub-pager a {
  overflow-wrap: anywhere;
}

.hub-source {
  margin-block-start: 28px;
  color: var(--ink-mute);
  font-size: 0.9rem;
}

.hub-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr));
  gap: 28px 40px;
  padding-block-end: 28px;
  margin-block-end: 24px;
  border-block-end: 1px solid var(--rule-soft);
}

.hub-footer-column ul {
  list-style: none;
}

.hub-footer-column li {
  padding-block: 2px;
  font-size: 0.88rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.hub-footer-column a {
  color: var(--ink-soft);
}

.hub-footer-column a:hover {
  color: var(--blueprint);
}

.hub-footer-column .hub-label {
  margin-block-start: 0;
}

@media (max-width: 900px) {
  .hub-footer-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .hub-page {
    padding-block: 88px 56px;
  }

  .container.hub-wrap {
    padding-inline: 16px;
  }

  .hub-section {
    padding-block: 26px;
  }
}

@media (max-width: 560px) {
  .hub-footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}