.bp-head {
  max-width: 960px;
  padding: var(--space-5) 0 var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}
.bp-head__title {
  margin: 0;
  font-family: var(--font);
  font-weight: var(--w-black);
  font-size: clamp(34px, 6vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  text-wrap: balance;
}
.bp-head__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-secondary);
  text-wrap: pretty;
}
@media (min-width: 769px) {
  .bp-head__lead {
    font-size: 20px;
  }
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
}
.blog-meta__cat {
  font-size: 10px;
  font-weight: var(--w-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
}
.blog-meta__cat:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.blog-meta__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--nb-grey-15);
}

.bp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}
@media (min-width: 1025px) {
  .bp-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: var(--space-8);
    max-width: 1200px;
  }
  .bp-layout > .bp-toc {
    grid-row: 1/span 2;
  }
}

.bp-toc {
  border-block: 1px solid var(--border);
}
.bp-toc__sum {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--tap-min);
  padding: var(--space-2) 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: var(--w-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.bp-toc__sum::-webkit-details-marker {
  display: none;
}
.bp-toc__n {
  margin-left: auto;
  font-size: 12px;
  font-weight: var(--w-medium);
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--fg-muted);
}
.bp-toc__chev {
  flex: 0 0 auto;
  transition: transform var(--dur) var(--ease);
}
.bp-toc[open] .bp-toc__chev {
  transform: rotate(180deg);
}
.bp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-4);
  counter-reset: toc;
  display: flex;
  flex-direction: column;
}
.bp-toc__list li {
  counter-increment: toc;
}
.bp-toc__list a {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: baseline;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.35;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}
.bp-toc__list a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 11px;
  font-weight: var(--w-bold);
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}
.bp-toc__list a:hover, .bp-toc__list a.is-active {
  color: var(--fg);
}
.bp-toc__list a.is-active {
  font-weight: var(--w-medium);
}
.bp-toc__list a.is-active::before {
  color: var(--fg);
}
@media (min-width: 1025px) {
  .bp-toc {
    position: sticky;
    top: calc(var(--header-h) + var(--space-5));
    align-self: start;
    border-bottom: 0;
    border-top: 1.5px solid var(--fg);
  }
  .bp-toc__sum {
    pointer-events: none;
  }
  .bp-toc__chev {
    display: none;
  }
  .bp-toc__list a {
    padding: 8px 0;
    font-size: 13px;
  }
}

.bp-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.bp-topics .nb-chip {
  text-decoration: none;
}

.lg-main {
  padding-bottom: var(--space-9);
}
.lg-main .nb-prose [id] {
  scroll-margin-top: calc(var(--header-h) + var(--space-5));
}
.lg-main .bp-head__title {
  font-size: clamp(34px, 6vw, 54px);
}
.lg-main .bp-head__title,
.lg-main .nb-prose h2,
.lg-main .nb-prose h3,
.lg-main .nb-prose h4,
.lg-main .oc-block__title {
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
}

.lg-bc {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad) var(--space-3);
}
@media (max-width: 768px) {
  .lg-bc {
    padding-top: var(--space-3);
  }
}

.lg-wrap {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.lg-body {
  min-width: 0;
}

.lg-end {
  max-width: 680px;
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1.5px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}
.lg-end > .oc-block {
  margin: 0;
}
.lg-end .oc-support {
  grid-template-columns: minmax(0, 1fr);
  grid-auto-flow: row;
}