:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #555555;
  --faint: #808080;
  --line: #e0e0e0;
  --accent: #9a4f1b;
  --code-bg: #f6f6f6;
  --sidebar-bg: #fafafa;
  --measure: 68ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16.5px/1.65 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Inter, Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- layout ---------- */

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  flex: none;
  padding: 44px 28px;
  border-right: 1px solid var(--line);
  background: var(--sidebar-bg);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.brand { font-size: 16px; font-weight: 650; letter-spacing: -0.01em; line-height: 1.35; }
.brand a { color: var(--fg); }
.brand small {
  display: block;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.01em;
  margin-top: 4px;
}

nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
nav a {
  display: block;
  padding: 7px 10px;
  margin-left: -10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 15px;
}
nav a:hover { background: var(--line); color: var(--fg); text-decoration: none; }
nav a[aria-current="page"] { color: var(--fg); font-weight: 600; background: var(--line); }

.sidebar footer {
  margin-top: auto;
  font-size: 12.5px;
  color: var(--faint);
  line-height: 1.5;
}

main {
  flex: 1;
  min-width: 0;
  padding: 64px 48px 96px;
}

.wrap { max-width: var(--measure); }

/* ---------- typography ---------- */

h1 {
  font-size: 33px;
  line-height: 1.2;
  letter-spacing: -0.022em;
  margin: 0 0 10px;
  font-weight: 680;
}

h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 640;
  margin: 46px 0 16px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
}

h3 { font-size: 18.5px; margin: 32px 0 8px; letter-spacing: -0.012em; font-weight: 640; }

p { margin: 0 0 17px; }

.lede { font-size: 18.5px; color: var(--muted); margin-bottom: 8px; }

/* ---------- about ---------- */

.cursor {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  background: var(--accent);
  vertical-align: -0.16em;
  margin-left: 3px;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

.role {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 26px;
}

.links { list-style: none; padding: 0; margin: 0; }
.links li { border-bottom: 1px solid var(--line); }
.links li:first-child { border-top: 1px solid var(--line); }
.links a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 13px 2px;
  color: var(--fg);
}
.links a:hover { text-decoration: none; color: var(--accent); }
.links .what { font-weight: 520; }
.links .where { font-size: 13.5px; color: var(--faint); font-variant-numeric: tabular-nums; }
.links a:hover .where { color: var(--accent); }

/* ---------- resume ---------- */

.contactline { font-size: 14.5px; color: var(--muted); margin-bottom: 4px; }
.contactline a { color: var(--muted); }
.contactline a:hover { color: var(--accent); }

.job { margin-bottom: 30px; }
.job-head { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.job-head strong { font-size: 16.5px; font-weight: 650; }
.job-head .when { font-size: 13.5px; color: var(--faint); white-space: nowrap; font-variant-numeric: tabular-nums; }
.job .where { font-size: 13.5px; color: var(--muted); font-style: italic; margin-bottom: 9px; }
.job ul { margin: 0; padding-left: 20px; }
.job li { margin-bottom: 7px; }

.skills { display: grid; grid-template-columns: max-content 1fr; gap: 9px 22px; font-size: 15px; }
.skills dt { color: var(--muted); font-weight: 560; }
.skills dd { margin: 0; }

.plain { margin: 0; padding-left: 20px; }
.plain li { margin-bottom: 7px; }

/* ---------- articles ---------- */

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.post-list li:first-child { border-top: 1px solid var(--line); }
.post-list h3 { margin: 0 0 5px; }
.post-list h3 a { color: var(--fg); }
.post-list h3 a:hover { color: var(--accent); text-decoration: none; }
.post-list .meta { font-size: 13px; color: var(--faint); }
.post-list p { margin: 7px 0 0; color: var(--muted); font-size: 15.5px; }

article { max-width: var(--measure); }
article .meta { font-size: 13.5px; color: var(--faint); margin-bottom: 30px; }
article h2 { border-bottom: 0; font-size: 20px; text-transform: none; letter-spacing: -0.014em; color: var(--fg); margin: 40px 0 12px; padding: 0; }
article ul, article ol { padding-left: 22px; }
article li { margin-bottom: 8px; }

blockquote {
  margin: 24px 0;
  padding: 2px 0 2px 20px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
}

code {
  font: 0.875em/1.5 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  background: var(--code-bg);
  padding: 0.14em 0.4em;
  border-radius: 4px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 22px 0;
}
pre code { background: none; padding: 0; font-size: 13.5px; line-height: 1.6; }

table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
th, td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); }
th { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); font-weight: 620; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; padding-right: 0; }

.callout {
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 15px 18px;
  margin: 26px 0;
  font-size: 14.5px;
  color: var(--muted);
}
.callout strong { color: var(--accent); }

/* ---------- mobile ---------- */

@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: auto;
    position: static;
    height: auto;
    padding: 24px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    gap: 18px;
  }
  nav ul { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  nav a { margin-left: 0; padding: 6px 11px; }
  .sidebar footer { display: none; }
  main { padding: 34px 16px 64px; }
  h1 { font-size: 27px; }
  .job-head .when { font-size: 12.5px; }
  .skills { grid-template-columns: 1fr; gap: 2px 0; }
  .skills dd { margin-bottom: 10px; }
}

/* ---------- figures ---------- */

figure { margin: 34px 0; }
figure svg { display: block; width: 100%; height: auto; }
figcaption {
  font-size: 13px;
  color: var(--faint);
  margin-top: 10px;
  line-height: 1.5;
}
.fig-box { fill: var(--code-bg); stroke: var(--line); stroke-width: 1.5; }
.fig-box-accent { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.fig-line { stroke: var(--line); stroke-width: 1.5; fill: none; }
.fig-line-accent { stroke: var(--accent); stroke-width: 1.5; fill: none; }
.fig-t { fill: var(--fg); font: 500 13px ui-sans-serif, -apple-system, system-ui, sans-serif; }
.fig-t-sm { fill: var(--muted); font: 400 11.5px ui-sans-serif, -apple-system, system-ui, sans-serif; }
.fig-t-mono { fill: var(--fg); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.fig-t-mono-mut { fill: var(--faint); font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.fig-t-accent { fill: var(--accent); font: 600 13px ui-sans-serif, -apple-system, system-ui, sans-serif; }
.fig-t-big { fill: var(--fg); font: 650 19px ui-sans-serif, -apple-system, system-ui, sans-serif; }
.fig-arrow { fill: var(--line); }
.fig-arrow-accent { fill: var(--accent); }
.fig-dim { opacity: 0.42; }

figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; }
figure.meme { max-width: 520px; }