:root {
  --bg: #faf9f7;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e6e4e0;
  --link: #0b57d0;
  --max: 38rem;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
}

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

html {
  font-size: 112.5%; /* 18px */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-weight: 400;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

/* —— Header —— */

.site-header {
  margin-bottom: 2.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.logo {
  display: inline-block;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 0.65rem;
}

.logo:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
}

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

.site-header nav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.nav-sep {
  display: none;
}

.tag-link.is-active {
  color: var(--ink);
  font-weight: 600;
}

/* —— Index —— */

.hero {
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero h1,
.post-header h1 {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.85rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

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

.empty {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.95rem;
}

.empty code {
  font-family: var(--mono);
  font-size: 0.9em;
}

/* Simple list — Sivers / DHH */

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

.post-card {
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}

.post-card + .post-card {
  margin-top: 1.65rem;
  padding-top: 1.65rem;
  border-top: 1px solid var(--line);
}

.post-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.post-card-link:hover .post-card h2 {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.12em;
}

.post-card-media {
  display: none;
}

.post-card-body {
  padding: 0;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.post-card h2 {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.excerpt {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.tags {
  display: none;
}

.tag {
  display: none;
}

/* —— Post page —— */

.post {
  width: 100%;
}

.post-header {
  margin-bottom: 1.75rem;
}

.post-header .eyebrow {
  margin-bottom: 0.75rem;
}

.post-header .eyebrow a {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--sans);
}

.post-header .eyebrow a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.post-header h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.15rem);
  margin-bottom: 0.65rem;
  line-height: 1.2;
}

.post-cover {
  margin: 0 0 1.75rem;
}

.post-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
}

/* —— Prose: max readability —— */

.prose {
  font-size: 1.05rem;
  line-height: 1.75;
}

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

.prose h1,
.prose h2,
.prose h3 {
  font-family: var(--font);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--ink);
  margin: 2.1rem 0 0.7rem;
}

.prose h2 {
  font-size: 1.35rem;
}

.prose h3 {
  font-size: 1.15rem;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin: 0 0 1.2rem;
}

.prose a {
  color: var(--link);
}

.prose strong {
  font-weight: 700;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: #eeebe6;
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

.prose pre {
  background: #1f1f1f;
  color: #f2f0eb;
  padding: 1rem 1.1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0 0 1.35rem;
  line-height: 1.5;
  font-size: 0.88rem;
}

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

.prose blockquote {
  margin-left: 0;
  margin-right: 0;
  padding: 0 0 0 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
  font-style: italic;
}

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

.prose li {
  margin-bottom: 0.4rem;
}

.prose li::marker {
  color: var(--muted);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.25rem 0;
}

.prose figure {
  margin: 0 0 1.35rem;
}

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

.prose figcaption {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.45rem;
  line-height: 1.4;
}

.post-end {
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.9rem;
}

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

.post-end a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* —— Footer —— */

.site-footer {
  margin-top: 3.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.45;
}

.site-footer p {
  margin: 0;
}

/* —— Mobile —— */

@media (max-width: 640px) {
  html {
    font-size: 106.25%; /* ~17px */
  }

  .wrap {
    width: min(100% - 1.75rem, var(--max));
    padding-top: 1.75rem;
  }

  .post-card + .post-card {
    margin-top: 1.35rem;
    padding-top: 1.35rem;
  }
}

/* Prefer slightly larger type on wide screens */
@media (min-width: 900px) {
  html {
    font-size: 118.75%; /* 19px */
  }

  .prose {
    font-size: 1.06rem;
    line-height: 1.78;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --ink: #eceae4;
    --muted: #a09e96;
    --line: #2c2b28;
    --link: #7eb6ff;
  }

  .prose code {
    background: #2a2926;
  }

  .prose pre {
    background: #0c0c0b;
    color: #eceae4;
  }
}