:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #111111;
  --muted: #666666;
  --line: #eaeaea;
  --max: 800px;
  --mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'IBM Plex Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(var(--line) 1px, transparent 0);
  background-size: 24px 24px;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.frame {
  max-width: var(--max);
  margin: 0 auto;
  border: none;
  background: transparent;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
  position: relative;
  box-shadow: none;
}

.site-header {
  padding-bottom: 2rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-title {
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.site-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav a,
.tag-link {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line);
  text-decoration: none;
  background: var(--surface);
  font-size: 0.85rem;
  transition: all 0.15s ease;
}

.site-nav a:hover,
.tag-link:hover {
  background: var(--text);
  color: var(--surface);
  border-color: var(--text);
}

.button {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--text);
  text-decoration: none;
  background: var(--text);
  color: var(--surface);
  font-size: 0.85rem;
  transition: all 0.15s ease;
  text-align: center;
}

.button:hover {
  background: var(--surface);
  color: var(--text);
}

#content {
  min-height: 60vh;
}

.intro-block {
  margin-bottom: 3rem;
}

.intro-block h1 {
  margin-bottom: 1rem;
}

.intro-block .lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 65ch;
  line-height: 1.7;
  margin: 0;
}

.divider {
  height: 1px;
  border-top: 1px solid var(--line);
  margin: 1.5rem 0;
}

.featured {
  margin: 0 0 3rem 0;
  padding: 1.5rem;
  border: 1px dashed var(--line);
  background: transparent;
}

.featured h2 {
  margin: 0.4rem 0 0.75rem;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
}

.featured h2 a {
  text-decoration: none;
}

.featured h2 a:hover {
  text-decoration: underline;
}

.listing h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.post-item {
  padding: 1.5rem 1rem;
  margin: 0 -1rem;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.15s ease;
}

.post-item:hover {
  background-color: var(--bg);
}

.post-item + .post-item {
  border-top: none;
}

.post-item:last-child {
  border-bottom: none;
}

.post-item h3 {
  margin: 0 0 0.5rem 0;
}

.post-item h3 a {
  text-decoration: none;
}

.post-item h3 a:hover {
  text-decoration: underline;
}

.meta,
.kicker {
  margin: 0 0 0.75rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.intro,
.muted {
  color: var(--text);
  margin: 0;
  font-size: 0.95rem;
}

.post-page .kicker {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.post-page h1 {
  margin-bottom: 1rem;
}

.post-content {
  margin-top: 2rem;
  font-size: 1rem;
  line-height: 1.7;
}

.post-content p,
.post-content ul,
.post-content ol {
  max-width: 70ch;
  margin-bottom: 1.5rem;
}

.post-content code {
  font-family: var(--mono);
  background: var(--bg);
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--line);
  font-size: 0.85em;
}

.post-content pre {
  padding: 1.25rem;
  background: var(--bg);
  overflow: auto;
  border: 1px solid var(--line);
  margin: 2rem 0;
}

.post-content pre code {
  background: transparent;
  padding: 0;
  border: none;
  font-size: 0.85rem;
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 0.5rem 0 0.5rem 1.5rem;
  border-left: 2px solid var(--text);
  color: var(--muted);
}

.post-nav {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.post-nav span {
  min-height: 2.4rem;
}

.post-nav .button {
  width: 100%;
}

.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.site-footer a {
  text-decoration: none;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  background: var(--text);
  color: var(--surface);
  padding: 0.5rem 0.8rem;
  z-index: 10;
  text-decoration: none;
}

.skip-link:focus {
  left: 1rem;
}

@media (max-width: 700px) {
  .frame {
    margin: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    border-bottom: none;
    min-height: 100vh;
    box-shadow: none;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav span {
    display: none;
  }
}