:root {
  color-scheme: light;
  --paper: #f6f2ea;
  --paper-edge: #ece7dc;
  --ink: #1b1a17;
  --ink-soft: #2b2a26;
  --muted: #6b6759;
  --quiet: #8f8b7d;
  --rule: #d9d2c2;
  --accent: #a4361f;
  --accent-hover: #7c2413;
  --max-width: 680px;
  --wide: 940px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--paper);
  margin: 0;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus {
  color: var(--accent-hover);
  text-decoration-thickness: 0.12em;
}

.skip-link {
  background: var(--ink);
  color: var(--paper);
  left: 1rem;
  padding: 0.4rem 0.7rem;
  position: absolute;
  text-decoration: none;
  top: 0.5rem;
  transform: translateY(-150%);
  z-index: 2;
}

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

.invisible-link {
  display: block;
  height: 0;
  visibility: hidden;
}

.site-shell {
  margin-inline: auto;
  max-width: var(--max-width);
  padding-inline: 1.5rem;
}

.site-shell--wide {
  max-width: var(--wide);
}

.site-header {
  background: transparent;
  border-bottom: 1px solid var(--rule);
}

.site-header .site-shell {
  align-items: baseline;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  padding-block: 1.25rem;
}

.site-title {
  color: var(--ink);
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-title:hover,
.site-title:focus {
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  font-size: 0.78rem;
  gap: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--accent);
}

.site-main {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.intro {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 3rem;
  padding-bottom: 2.25rem;
}

.kicker {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.18;
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.2rem);
  letter-spacing: -0.015em;
}

h2 {
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.2rem;
}

.intro-copy {
  color: var(--ink-soft);
  font-size: 1.1rem;
  margin: 1rem 0 0;
  max-width: 34rem;
}

.section-label {
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0 0 1.75rem;
  padding-bottom: 0.5rem;
  text-transform: uppercase;
}

.post-index {
  margin-top: 0;
}

.post-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list-item {
  border-top: 1px solid var(--rule);
  padding: 1.75rem 0;
}

.post-list-item:first-child {
  border-top: 0;
  padding-top: 0;
}

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

.post-list-item h3 {
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0.35rem 0 0;
}

.post-list-item h3 a {
  color: var(--ink);
  text-decoration: none;
}

.post-list-item h3 a:hover,
.post-list-item h3 a:focus {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.2em;
}

.post-list-item .post-excerpt {
  color: var(--ink-soft);
  margin: 0.65rem 0 0;
  max-width: 60ch;
}

.post-meta {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  margin: 0;
  text-transform: uppercase;
}

.post-meta a {
  color: var(--muted);
  text-decoration: none;
}

.post-meta a:hover,
.post-meta a:focus {
  color: var(--accent);
}

.post-meta .sep {
  color: var(--quiet);
  margin: 0 0.4rem;
}

.post {
  margin: 0 auto;
}

.post-header {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
}

.post-header h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-top: 0.75rem;
  max-width: 22ch;
}

.tag-row {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  margin: 1rem 0 0;
  text-transform: uppercase;
}

.prose {
  font-size: 1.02rem;
  max-width: 65ch;
}

.prose > * + * {
  margin-top: 1.15rem;
}

.prose h2,
.prose h3 {
  color: var(--ink);
  margin-top: 2.5rem;
}

.prose h2 {
  font-size: 1.5rem;
}

.prose h3 {
  font-size: 1.2rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose strong {
  color: var(--ink);
  font-weight: 700;
}

.prose blockquote {
  border-left: 2px solid var(--ink);
  color: var(--ink-soft);
  font-style: italic;
  margin: 1.5rem 0;
  padding: 0.1rem 0 0.1rem 1.15rem;
}

.prose blockquote p {
  margin: 0.4rem 0;
}

.prose code {
  background: var(--paper-edge);
  border-radius: 2px;
  font-family: "IBM Plex Mono", "SF Mono", ui-monospace, "Menlo", Consolas, monospace;
  font-size: 0.88em;
  padding: 0.08em 0.32em;
}

.prose pre {
  background: var(--paper-edge);
  border-left: 2px solid var(--rule);
  font-family: "IBM Plex Mono", "SF Mono", ui-monospace, "Menlo", Consolas, monospace;
  font-size: 0.88em;
  line-height: 1.55;
  overflow-x: auto;
  padding: 1rem 1.15rem;
}

.prose pre code {
  background: transparent;
  padding: 0;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin-block: 2.5rem;
  width: 100%;
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

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

.site-footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  margin-top: 4rem;
  padding-block: 1.75rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover,
.site-footer a:focus {
  color: var(--accent);
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .site-header .site-shell {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
    padding-block: 1rem;
  }

  .site-main {
    padding-block: 2rem;
  }

  .post-list-item {
    padding: 1.5rem 0;
  }

  .post-list-item h3 {
    font-size: 1.35rem;
  }
}