:root {
  color-scheme: light;
  --paper: #f3eee4;
  --ink: #26221d;
  --muted: #756d62;
  --line: #d6cdbd;
  --soft: #e9e1d4;
  --accent: #5f5142;
  --content: 760px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, currentColor 36%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: currentColor;
}

button,
nav,
.eyebrow,
.post-meta,
.post-source,
.post-byline,
.back-link,
.site-footer {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.site-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

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

.wordmark {
  font-weight: 650;
  letter-spacing: -0.01em;
}

.site-header nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
}

.intro {
  padding: 72px 0 62px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 28px;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.intro-copy {
  max-width: 590px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.writing {
  padding-bottom: 72px;
}

.writing-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.writing-heading h2 {
  margin-bottom: 0;
  font-size: 23px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.filters {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.filter-button {
  border: 0;
  border-radius: 999px;
  padding: 8px 13px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
}

.filter-button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.filter-status {
  min-height: 1.4em;
  margin-bottom: 4px;
  color: var(--muted);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
}

.post-list {
  position: relative;
  padding-top: 5px;
}

.post-list::before {
  position: absolute;
  top: 12px;
  bottom: 27px;
  left: 50%;
  width: 1px;
  background: var(--line);
  content: "";
  transform: translateX(-50%);
}

.post-row {
  position: relative;
  display: flex;
  width: 50%;
  min-height: 62px;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 22px;
}

.post-row[data-side="left"] {
  align-items: flex-end;
  margin-right: 50%;
  padding-right: 34px;
  text-align: right;
}

.post-row[data-side="right"] {
  align-items: flex-start;
  margin-left: 50%;
  padding-left: 34px;
  text-align: left;
}

.post-row::before {
  position: absolute;
  top: 5px;
  z-index: 1;
  width: 10px;
  height: 10px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--line);
  content: "";
}

.post-row::after {
  position: absolute;
  top: 10px;
  width: 22px;
  height: 1px;
  background: var(--line);
  content: "";
}

.post-row[data-side="left"]::before {
  right: -5px;
}

.post-row[data-side="left"]::after {
  right: 6px;
}

.post-row[data-side="right"]::before {
  left: -5px;
}

.post-row[data-side="right"]::after {
  left: 6px;
}

.post-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  white-space: nowrap;
}

.post-row[data-side="left"] .post-meta {
  align-items: flex-end;
}

.post-row[data-side="right"] .post-meta {
  align-items: flex-start;
}

.post-summary h3 {
  margin-bottom: 0;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

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

.post-summary h3 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.post-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 82px 0 120px;
}

.post-header {
  margin-bottom: 56px;
}

.post-header h1 {
  margin: 34px 0 22px;
  font-size: clamp(42px, 7vw, 64px);
}

.back-link {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.post-byline {
  color: var(--muted);
  font-size: 13px;
}

.post-body {
  font-size: 19px;
  line-height: 1.8;
}

.post-body > * + * {
  margin-top: 1.4em;
}

.post-body h2,
.post-body h3 {
  margin-bottom: 0;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.post-body h2 {
  padding-top: 1.2em;
  font-size: 31px;
}

.post-body h3 {
  padding-top: 0.8em;
  font-size: 24px;
}

.post-body blockquote {
  margin-left: 0;
  padding-left: 22px;
  border-left: 2px solid var(--line);
  color: var(--muted);
}

.post-body pre {
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--soft);
  font-size: 14px;
  line-height: 1.6;
}

.post-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86em;
}

.post-body :not(pre) > code {
  padding: 0.12em 0.28em;
  border-radius: 3px;
  background: var(--soft);
}

.post-body img {
  width: 100%;
  height: auto;
}

.external-page,
.not-found {
  max-width: 640px;
  min-height: 62vh;
  padding: 100px 0;
}

.external-page h1,
.not-found h1 {
  font-size: clamp(42px, 7vw, 64px);
}

.external-page > p:not(.eyebrow),
.not-found > p {
  color: var(--muted);
}

.external-link {
  display: inline-block;
  margin-top: 22px;
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 30px), var(--content));
  }

  .intro {
    padding: 58px 0 52px;
  }

  .writing-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .post-list::before {
    left: 7px;
  }

  .post-row[data-side="left"],
  .post-row[data-side="right"] {
    width: 100%;
    min-height: 0;
    align-items: flex-start;
    margin: 0;
    padding-right: 0;
    padding-bottom: 20px;
    padding-left: 34px;
    text-align: left;
  }

  .post-row[data-side="left"]::before,
  .post-row[data-side="right"]::before {
    right: auto;
    left: 2px;
  }

  .post-row[data-side="left"]::after,
  .post-row[data-side="right"]::after {
    right: auto;
    left: 13px;
    width: 14px;
  }

  .post-row[data-side="left"] .post-meta,
  .post-row[data-side="right"] .post-meta {
    align-items: flex-start;
  }

  .post-page {
    padding: 64px 0 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}