:root {
  color-scheme: light;
  --paper: #fdfdfc;
  --ink: #18181b;
  --muted-ink: #52525b;
  --soft: #a1a1aa;
  --rule: rgba(24, 24, 27, 0.08);
  --accent: #0d6b62;
  --muted: #f4f4f3;
  --selection: color-mix(in oklab, var(--accent) 20%, transparent);
  --focus-ring: color-mix(in oklab, var(--accent) 55%, transparent);
  --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #111113;
    --ink: #f4f4f5;
    --muted-ink: #c4c4cc;
    --soft: #85858f;
    --rule: rgba(244, 244, 245, 0.12);
    --accent: #5fd1c6;
    --muted: #1d1d20;
    --selection: color-mix(in oklab, var(--accent) 28%, transparent);
    --focus-ring: color-mix(in oklab, var(--accent) 70%, transparent);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
}

::selection {
  background: var(--selection);
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

code,
pre {
  font-family: var(--font-mono);
}

.container {
  width: min(100% - 3rem, 72rem);
  margin-inline: auto;
}

.site-header {
  background: var(--paper);
}

.header-nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-name,
.footer-name {
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-role,
.footer-kicker,
.eyebrow,
.aside-label,
.post-date,
.post-time,
.breadcrumb,
.post-meta,
.toc-title,
.inline-tags {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.brand-role,
.footer-kicker {
  margin-top: 0.125rem;
}

.nav-list,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted-ink);
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-list a,
.footer-links a,
.brand,
.feature-link h2,
.read-link,
.post-row strong,
.contact-row strong,
.section-heading a,
.prose-article a,
.breadcrumb a {
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav-list a:hover,
.nav-list a[aria-current="page"],
.footer-links a:hover,
.brand:hover .brand-name,
.feature-link:hover h2,
.feature-link:hover .read-link,
.post-row:hover strong,
.contact-row:hover strong,
.section-heading a:hover,
.breadcrumb a:hover {
  color: var(--accent);
}

.intro-section,
.page-section,
.article-section {
  padding-block: 4rem 5rem;
}

.intro-copy,
.page-header,
.article-header {
  max-width: 68ch;
}

.intro-copy {
  max-width: 52ch;
}

.eyebrow {
  display: block;
  margin: 0 0 1.25rem;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.intro-copy h1,
.page-header h1,
.article-header h1 {
  margin-bottom: 1.5rem;
  color: var(--ink);
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.12;
  text-wrap: balance;
}

.intro-copy h1 {
  font-size: clamp(1.875rem, 5vw, 2.25rem);
  line-height: 1.2;
}

.lede,
.page-header p,
.article-header p {
  color: var(--muted-ink);
  font-size: clamp(1rem, 2vw, 1.1875rem);
  line-height: 1.7;
  text-wrap: pretty;
}

.featured-section {
  border-block: 1px solid var(--rule);
  padding-block: 4rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18.75rem;
  gap: 4rem;
}

.feature-link {
  display: block;
}

.feature-link h2,
.empty-state h2 {
  max-width: 15ch;
  margin-bottom: 1.25rem;
  color: var(--ink);
  font-size: clamp(2rem, 6vw, 2.5rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.15;
  text-wrap: balance;
}

.feature-link p,
.empty-state p {
  max-width: 54ch;
  margin-bottom: 2rem;
  color: var(--muted-ink);
  font-size: 1.125rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.read-link {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 30%, transparent);
  padding-bottom: 0.125rem;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
}

.feature-link:hover .read-link {
  border-color: var(--accent);
}

.feature-aside {
  border-left: 1px solid var(--rule);
  padding-left: 2.5rem;
}

.feature-aside > div + div {
  margin-top: 2rem;
}

.feature-aside span:not(.aside-label),
.tag-row span {
  display: inline-block;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
}

.aside-label {
  display: block;
  margin-bottom: 0.5rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-row span {
  border-radius: 3px;
  background: var(--muted);
  padding: 0.125rem 0.5rem;
  color: var(--muted-ink);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.writing-section {
  padding-block: 5rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
}

.section-heading a {
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.contact-list {
  border-top: 1px solid var(--rule);
}

.post-list.bordered {
  border-bottom: 1px solid var(--rule);
}

.post-row,
.contact-row {
  display: grid;
  grid-template-columns: 8.75rem minmax(0, 1fr) 9rem;
  gap: 2rem;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-block: 2.25rem;
}

.post-list .post-row:last-child,
.contact-list .contact-row:last-child {
  border-bottom: 0;
}

.post-summary,
.contact-summary {
  display: grid;
  max-width: 58ch;
  gap: 0.5rem;
}

.post-summary strong,
.contact-summary strong {
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.35;
}

.post-summary span,
.contact-summary span {
  color: var(--muted-ink);
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-time {
  text-align: right;
}

.inline-tags {
  color: var(--soft) !important;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
}

.pagination-edges,
.pagination-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.pagination-link,
.pagination-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--muted-ink);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.pagination-link {
  padding-inline: 0.875rem;
}

.pagination-link:hover,
.pagination-page:hover,
.pagination-page.is-current {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--rule));
  background: var(--muted);
  color: var(--accent);
}

.pagination-link.is-disabled {
  color: var(--soft);
  opacity: 0.55;
}

.page-header {
  margin-bottom: 4rem;
}

.article-header {
  margin-bottom: 4rem;
}

.breadcrumb,
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.breadcrumb {
  margin-bottom: 1.5rem;
}

.breadcrumb span {
  color: var(--accent);
}

.breadcrumb span::before {
  content: "/";
  margin-right: 0.75rem;
  color: var(--soft);
}

.post-meta {
  margin-top: 2rem;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 68ch) 13.75rem;
  gap: 5rem;
  align-items: start;
}

.prose-article {
  max-width: 68ch;
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.prose-article p {
  margin: 1.25em 0;
}

.prose-article > p:first-child {
  margin-top: 0;
}

.prose-article h2 {
  margin: 3rem 0 1rem;
  scroll-margin-top: 6rem;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.3;
}

.prose-article h3 {
  margin: 2.25rem 0 0.75rem;
  scroll-margin-top: 6rem;
  font-size: 1.15rem;
  font-weight: 500;
}

.prose-article a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent) 35%, transparent);
  text-underline-offset: 3px;
}

.prose-article a:hover {
  text-decoration-color: var(--accent);
}

.prose-article strong {
  font-weight: 600;
}

.prose-article ul,
.prose-article ol {
  margin: 1.25em 0;
  padding-left: 1.5rem;
}

.prose-article ul {
  list-style: none;
}

.prose-article ul > li,
.prose-article ol > li {
  margin: 0.5em 0;
}

.prose-article ul > li {
  position: relative;
}

.prose-article ul > li::before {
  position: absolute;
  left: -1.5rem;
  color: var(--soft);
  content: "-";
}

.prose-article blockquote {
  margin: 2em 0;
  border-left: 2px solid var(--accent);
  padding: 0.25em 0 0.25em 1.5rem;
  color: var(--muted-ink);
  font-style: italic;
}

.prose-article code {
  border-radius: 4px;
  background: var(--muted);
  padding: 0.15em 0.4em;
  color: var(--ink);
  font-size: 0.875em;
}

.prose-article pre {
  overflow-x: auto;
  margin: 2em 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--muted);
  padding: 1.25rem 1.5rem;
  color: var(--ink);
  font-size: 0.85rem;
  line-height: 1.6;
}

.prose-article pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

.prose-article hr,
.signature {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

.prose-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 2em 0;
  font-size: 0.95rem;
}

.prose-article th,
.prose-article td {
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 1rem;
  text-align: left;
}

.prose-article th {
  color: var(--muted-ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signature {
  margin-top: 5rem;
  padding-top: 2.5rem;
}

.signature .eyebrow {
  margin-bottom: 0.5rem;
  color: var(--soft);
}

.toc {
  display: block;
}

.toc-inner {
  position: sticky;
  top: 2rem;
  color: var(--muted-ink);
  font-size: 0.8125rem;
}

.toc-title {
  margin-bottom: 1rem;
}

.toc nav ul {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc nav ul ul {
  margin-top: 0.5rem;
  padding-left: 1rem;
}

.toc a:hover {
  color: var(--accent);
}

.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--rule);
  padding-block: 4rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-inner > div:first-child {
  display: flex;
  flex-direction: column;
}

.accent-link {
  color: var(--accent);
}

.empty-copy,
.empty-state p {
  color: var(--muted-ink);
}

@media (max-width: 860px) {
  .container {
    width: min(100% - 2rem, 72rem);
  }

  .header-nav,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-list,
  .footer-links {
    gap: 1rem 1.5rem;
  }

  .intro-section,
  .page-section,
  .article-section,
  .featured-section,
  .writing-section {
    padding-block: 3rem;
  }

  .featured-grid,
  .article-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .feature-aside,
  .toc {
    display: none;
  }

  .post-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-block: 1.75rem;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-block: 1.75rem;
  }

  .post-time {
    text-align: left;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .pagination {
    align-items: flex-start;
    flex-direction: column-reverse;
    gap: 1rem;
  }
}