/* log.wecanuseai.com
   Text first. No web fonts, no client JavaScript, no tracker: the whole site is a few
   kilobytes of HTML and this file, so it arrives on a bad connection and stays readable
   with CSS switched off entirely. */

:root {
  color-scheme: light dark;
  --bg: #fbfaf8;
  --fg: #1c1b19;
  --muted: #5f5c57;
  --rule: #e2ddd5;
  --link: #0b5a4a;
  --accent: #a8442a;
  --code-bg: #f2eee7;
  --measure: 38rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14150f;
    --fg: #e9e6df;
    --muted: #9d9a92;
    --rule: #32332b;
    --link: #7fcfb6;
    --accent: #e59a7f;
    --code-bg: #1e201a;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.65 ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  overflow-wrap: break-word;
}

header,
main,
footer {
  max-width: var(--measure);
  margin: 0 auto;
}

/* Header ------------------------------------------------------------------ */

header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.75rem 0 1.25rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
}

.wordmark {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  color: var(--fg);
  text-decoration: none;
}

.wordmark::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
}

header nav {
  display: flex;
  gap: 1.125rem;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 0.8125rem;
}

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

header nav a:hover,
header nav a:focus {
  color: var(--fg);
  text-decoration: underline;
}

/* Index ------------------------------------------------------------------- */

.intro h1 {
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.015em;
}

.tagline {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.promise {
  margin: 0 0 3rem;
  color: var(--muted);
  font-size: 0.9375rem;
  border-left: 2px solid var(--accent);
  padding-left: 0.875rem;
}

.entries {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.entry {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}

.entry-title {
  display: block;
  font-size: 1.3125rem;
  line-height: 1.25;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.entry-title:hover,
.entry-title:focus {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.entry-desc {
  margin: 0.5rem 0 0.5rem;
  color: var(--muted);
}

.entry time,
.byline time {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Article ----------------------------------------------------------------- */

article h1 {
  font-size: 1.875rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  letter-spacing: -0.015em;
}

.byline {
  margin: 0 0 2.5rem;
}

article h2,
article h3 {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.3;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}

article h2 {
  font-size: 1.25rem;
}

article h3 {
  font-size: 1.0625rem;
}

article p {
  margin: 0 0 1.15rem;
}

a {
  color: var(--link);
  text-underline-offset: 0.12em;
}

strong {
  font-weight: 700;
}

blockquote {
  margin: 1.5rem 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
  color: var(--muted);
}

code {
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 0.875em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0.875rem 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}

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

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

th,
td {
  text-align: left;
  padding: 0.5rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

.back {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 0.875rem;
}

/* Footer ------------------------------------------------------------------ */

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

footer p {
  margin: 0 0 0.75rem;
}

@media (max-width: 30rem) {
  .intro h1 {
    font-size: 1.625rem;
  }

  article h1 {
    font-size: 1.5rem;
  }
}

.what a {
  white-space: nowrap;
}