:root {
  --bg: #fbfaf7;
  --surface: #f1efe9;
  --text: #1d1f22;
  --muted: #5d6168;
  --border: #dedad1;
  --accent: #0f6b5c;
  --accent-soft: #e2f0ec;
  --measure: 46rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --surface: #1e2125;
    --text: #e7e5e0;
    --muted: #9ba0a8;
    --border: #2f3338;
    --accent: #5cc4ae;
    --accent-soft: #1b2e2a;
    color-scheme: dark;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

/* ---------- header / footer ---------- */

.site-header,
main,
.site-footer {
  max-width: var(--measure);
  margin: 0 auto;
  padding-inline: 1.25rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.site-footer {
  margin-top: 4rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0.75rem 0 0;
}

/* ---------- article (generated markdown) ---------- */

main {
  padding-block: 2.5rem 0;
}

article h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
}

/* credentials tagline directly under the page title */
article h1 + h4 {
  color: var(--accent);
  margin: -0.25rem 0 1.5rem;
  line-height: 1.5;
}

/* first paragraph under the page title (or its tagline) reads as a lede */
article h1 + p,
article h1 + h4 + p {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

article h2 {
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 2.75rem 0 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

article h3 {
  font-size: 1.1rem;
  margin: 2rem 0 0.4rem;
}

article h3 + p {
  margin-top: 0;
}

article h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 1.75rem 0 0.25rem;
}

article p,
article ul,
article ol {
  margin: 0 0 1.1rem;
}

article ul,
article ol {
  padding-left: 1.25rem;
}

article li {
  margin-bottom: 0.35rem;
}

article li::marker {
  color: var(--accent);
}

article b {
  font-weight: 650;
}

article i {
  color: var(--muted);
}

article blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
}

article code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--surface);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

article pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

article pre code {
  background: none;
  padding: 0;
}

article img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}