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

:root {
  --paper: #fbfaf7;
  --ink: #1c1b19;
  --muted: #6f6a61;
  --rule: #e6e1d6;
  --accent: #b4451f;
  --accent-soft: #f3e7e0;
  --code-bg: #1e1b18;
  --code-ink: #f2eee8;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Liberation Serif", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --width: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111110;
    --ink: #e9e5de;
    --muted: #9b958b;
    --rule: #2b2824;
    --accent: #e8895f;
    --accent-soft: #2a1d17;
    --code-bg: #1a1816;
    --code-ink: #efeae2;
  }
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

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

/* Header / footer */

.site-header,
.site-footer {
  width: 100%;
  max-width: var(--width);
  margin: 0 auto;
  padding-inline: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--sans);
}

.site-header {
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark .dot {
  color: var(--accent);
}

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

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

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-main {
  max-width: var(--width);
  margin: 0 auto;
  padding: 1rem 1.25rem 4rem;
}

.site-footer {
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  padding-bottom: 3rem;
  font-size: 0.8rem;
  color: var(--muted);
}

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

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

/* Index */

.intro {
  padding: 1.5rem 0 2.75rem;
  border-bottom: 1px solid var(--rule);
}

.intro h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(2.2rem, 6vw, 3rem);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.intro p {
  margin: 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.post-item a {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.6rem 0;
  color: inherit;
  text-decoration: none;
}

.post-date {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-title {
  margin: 0 0 0.3rem;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  transition: color 150ms ease;
}

.post-item a:hover .post-title {
  color: var(--accent);
}

.post-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.empty {
  padding: 2rem 0;
  color: var(--muted);
}

/* Post / page */

.back {
  display: inline-block;
  margin-bottom: 2rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

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

.post-header {
  padding-bottom: 1.75rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--rule);
}

.post-header h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2rem, 5.5vw, 2.7rem);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Prose */

.prose {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.75;
}

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

.prose p {
  margin: 0 0 1.4rem;
}

.prose h2,
.prose h3 {
  margin: 2.4rem 0 0.9rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.prose h2 {
  font-size: 1.6rem;
}

.prose h3 {
  font-size: 1.25rem;
}

.prose a {
  text-decoration: underline;
}

.prose ul,
.prose ol {
  margin: 0 0 1.4rem;
  padding-left: 1.35rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

.prose blockquote {
  margin: 1.75rem 0;
  padding: 0.1rem 0 0.1rem 1.25rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose code {
  padding: 0.15em 0.35em;
  border-radius: 3px;
  background: var(--accent-soft);
  font-family: var(--mono);
  font-size: 0.85em;
}

.prose pre {
  margin: 0 0 1.6rem;
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--code-ink);
  font-size: 0.875rem;
  line-height: 1.6;
}

.prose pre code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.prose hr {
  margin: 2.5rem 0;
  border: none;
  border-top: 1px solid var(--rule);
}

.prose table {
  width: 100%;
  margin-bottom: 1.5rem;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}

/* 404 */

.not-found {
  padding: 4rem 0;
}

.not-found h1 {
  margin: 0 0 0.5rem;
  font-size: 3rem;
  line-height: 1;
}

.not-found p {
  color: var(--muted);
}

/* Small screens */

@media (max-width: 640px) {
  body {
    font-size: 1.0625rem;
  }

  .site-header {
    padding-top: 1.75rem;
  }

  .post-item a {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.4rem 0;
  }

  .post-date {
    font-size: 0.68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}