@font-face {
  font-family: "Unbounded";
  src: url("https://abgbc.com/fonts/vendor/Unbounded-wght.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("https://abgbc.com/fonts/vendor/AtkinsonHyperlegible-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("https://abgbc.com/fonts/vendor/AtkinsonHyperlegible-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("https://abgbc.com/fonts/vendor/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --cream: #f4ebdd;
  --paper: #fbf7f0;
  --ink: #1c1b17;
  --terracotta: #c4622d;
  --burnt: #d9772b;
  --forest: #1f3d2b;
  --teal: #2e7d7a;
  --chrome: #c9ccd1;
  --line: rgba(28, 27, 23, 0.18);
  --soft-line: rgba(28, 27, 23, 0.1);
  --reading: 46rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--gh-font-body, "Atkinson Hyperlegible"), system-ui, sans-serif;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

img,
svg,
video,
iframe {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--burnt);
  outline-offset: 4px;
}

.ab-skip {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-180%);
  transition: transform 120ms ease;
}

.ab-skip:focus {
  transform: translateY(0);
}

.ab-header,
.ab-footer,
.ab-hero,
.ab-post-list,
.ab-article,
.ab-context-header,
.pagination {
  width: min(1180px, calc(100% - clamp(2rem, 7vw, 6rem)));
  margin-inline: auto;
}

.ab-header {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid var(--soft-line);
}

.ab-brand,
.ab-hero h1,
.ab-post-row h2,
.ab-article h1,
.ab-context-header h1,
.ab-empty h2,
.ab-author-card h2,
.ab-subscribe-panel h2 {
  font-family: var(--gh-font-heading, "Unbounded"), system-ui, sans-serif;
  letter-spacing: -0.055em;
}

.ab-brand {
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.ab-nav {
  margin-left: auto;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.ab-nav .nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ab-nav a {
  text-decoration: none;
}

.ab-nav .nav-current a {
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

.ab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--terracotta);
  border-radius: 999px;
  padding: 0.58rem 0.95rem;
  text-decoration: none;
  line-height: 1.2;
}

.ab-button-solid {
  background: var(--terracotta);
  color: var(--paper);
}

.ab-hero {
  padding-block: clamp(5rem, 12vw, 10rem);
}

.ab-hero h1,
.ab-article h1,
.ab-context-header h1 {
  max-width: 12ch;
  margin: 0.25em 0;
  font-size: clamp(2.8rem, 7.3vw, 6.6rem);
  line-height: 0.95;
}

.ab-kicker,
.ab-meta,
.ab-article-byline,
.pagination {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.ab-lede,
.ab-article-deck {
  max-width: 38ch;
  font-size: clamp(1.25rem, 2.4vw, 1.9rem);
  line-height: 1.35;
}

.ab-post-list {
  border-top: 1px solid var(--line);
}

.ab-post-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 50px;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
  padding-block: 2.2rem;
}

.ab-post-row h2 {
  max-width: 24ch;
  margin: 0.4rem 0 0.8rem;
  font-size: clamp(1.45rem, 3vw, 2.55rem);
  line-height: 1.08;
}

.ab-post-row h2 a {
  text-decoration: none;
}

.ab-post-row p {
  max-width: 48rem;
}

.ab-post-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.ab-arrow {
  width: 44px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-self: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  text-decoration: none;
}

.ab-empty {
  padding-block: 4rem;
}

.ab-empty h2 {
  max-width: 18ch;
}

.ab-context-header {
  padding-block: clamp(4rem, 9vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.ab-context-description {
  max-width: 46rem;
  font-size: 1.2rem;
}

.ab-author-profile {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.ab-author-profile img {
  width: 120px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.ab-article {
  padding-block: clamp(4rem, 10vw, 8rem);
}

.ab-article-header {
  max-width: 980px;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.ab-article-byline {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.5rem;
}

.ab-author-link {
  font-weight: 700;
}

.ab-feature {
  max-width: 980px;
  margin: 3rem 0 0;
}

.ab-feature img {
  display: block;
  width: 100%;
  height: auto;
}

.ab-feature figcaption,
.ab-content figcaption {
  margin-top: 0.65rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
}

.ab-content {
  max-width: var(--reading);
  margin: 4rem auto 0;
  font-size: clamp(1.08rem, 1.5vw, 1.2rem);
}

.ab-content > * + * {
  margin-top: 1.45em;
}

.ab-content h2,
.ab-content h3,
.ab-content h4 {
  margin-top: 2.5em;
  font-family: var(--gh-font-heading, "Unbounded"), system-ui, sans-serif;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.ab-content h2 {
  font-size: clamp(1.7rem, 3vw, 2.55rem);
}

.ab-content h3 {
  font-size: clamp(1.35rem, 2.3vw, 1.9rem);
}

.ab-content blockquote {
  margin-inline: 0;
  padding: 0.4rem 0 0.4rem 1.5rem;
  border-left: 4px solid var(--terracotta);
  font-size: 1.18em;
}

.ab-content hr {
  margin-block: 3rem;
  border: 0;
  border-top: 1px solid var(--line);
}

.ab-content pre,
.ab-content code {
  font-family: "IBM Plex Mono", monospace;
}

.ab-content pre {
  overflow-x: auto;
  padding: 1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0.4rem;
}

.ab-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95em;
}

.ab-content th,
.ab-content td {
  padding: 0.7rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.kg-width-wide {
  width: min(62rem, calc(100vw - 2rem));
  max-width: none;
  margin-left: 50%;
  transform: translateX(-50%);
}

.kg-width-full {
  width: 100vw;
  max-width: none;
  margin-left: 50%;
  transform: translateX(-50%);
}

.kg-image-card img,
.kg-gallery-card img {
  display: block;
  height: auto;
}

.kg-embed-card,
.kg-video-card,
.kg-audio-card,
.kg-file-card,
.kg-bookmark-card,
.kg-callout-card,
.kg-toggle-card,
.kg-button-card {
  margin-block: 2rem;
}

.kg-embed-card iframe {
  width: 100%;
}

.kg-bookmark-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 34%);
  border: 1px solid var(--line);
  text-decoration: none;
  overflow: hidden;
}

.kg-bookmark-content {
  padding: 1rem;
}

.kg-bookmark-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kg-button-card a {
  display: inline-flex;
  padding: 0.7rem 1rem;
  border: 1px solid var(--terracotta);
  border-radius: 999px;
  text-decoration: none;
}

.ab-article-footer {
  max-width: var(--reading);
  margin: 5rem auto 0;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.ab-author-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.ab-author-card img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
}

.ab-author-card h2 {
  margin: 0.2rem 0 0.5rem;
  font-size: 1.35rem;
}

.ab-author-card h2 a {
  text-decoration: none;
}

.ab-author-role {
  margin: 0.35rem 0 0.75rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ab-tags {
  margin-top: 2rem;
}

.ab-subscribe-panel {
  margin-top: 3rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--paper);
  border: 1px solid var(--line);
}

.ab-subscribe-panel h2 {
  max-width: 22ch;
  margin-bottom: 0.6rem;
}

.pagination {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
}

.pagination a {
  text-decoration: none;
}

.ab-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--line);
  padding-block: 3rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.ab-footer p {
  margin: 0.2rem 0;
}

.ab-footer-title {
  font-weight: 700;
}

.ab-footer nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-content: flex-start;
}

@media (max-width: 760px) {
  .ab-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .ab-nav {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .ab-nav .nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .ab-post-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .ab-arrow {
    align-self: start;
  }

  .ab-author-profile {
    grid-template-columns: 1fr;
  }

  .ab-footer {
    flex-direction: column;
  }

  .kg-bookmark-container {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ab-skip {
    transition: none;
  }
}