:root {
  --bg: #f8f9fa;
  --paper: #ffffff;
  --line: #a2a9b1;
  --text: #202122;
  --muted: #54595d;
  --link: #3366cc;
  --heading: #000;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  height: 52px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 18px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  font-family: "Linux Libertine", Georgia, serif;
  font-size: 22px;
}

.topbar nav {
  display: flex;
  gap: 14px;
}

.topbar a {
  text-decoration: none;
  color: var(--link);
  font-size: 14px;
}

.page {
  width: min(1200px, 100% - 26px);
  margin: 16px auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
  align-items: start;
}

.content,
.infobox {
  background: var(--paper);
  border: 1px solid var(--line);
}

.content {
  padding: 18px 22px;
}

.content h1,
.content h2,
.content h3,
.content h4,
.infobox h2 {
  font-family: "Linux Libertine", Georgia, serif;
  color: var(--heading);
}

h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 42px);
  font-weight: 700;
}

.subtitle {
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 14px;
}

h2 {
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  margin-top: 28px;
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 400;
}

h3 {
  margin-top: 16px;
  margin-bottom: 8px;
  font-size: 21px;
  font-weight: 400;
}

h4 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 400;
}

p,
li {
  line-height: 1.65;
  font-size: 16px;
}

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

.toc {
  border: 1px solid var(--line);
  background: #f8f9fa;
  padding: 10px 14px;
  width: fit-content;
  min-width: 340px;
  margin: 16px 0 10px;
}

.toc h2 {
  margin: 0 0 8px;
  border: 0;
  padding: 0;
  font-size: 18px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
}

.toc a {
  text-decoration: none;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
}

.skill-grid > div {
  border: 1px solid var(--line);
  padding: 10px;
  background: #f8f9fa;
}

.timeline {
  margin: 0;
  padding-left: 20px;
}

.timeline li {
  margin-bottom: 8px;
}

.references {
  padding-left: 20px;
  margin-top: 0;
}

.infobox {
  position: sticky;
  top: 68px;
}

.infobox h2 {
  margin: 0;
  padding: 12px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  font-size: 24px;
}

.infobox .type {
  margin: 0;
  text-align: center;
  padding: 0 12px 10px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.infobox-image {
  margin: 0;
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.infobox-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.infobox-image figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.infobox table {
  width: 100%;
  border-collapse: collapse;
}

.infobox th,
.infobox td {
  border-top: 1px solid var(--line);
  padding: 8px 10px;
  vertical-align: top;
  font-size: 14px;
}

.infobox th {
  width: 35%;
  background: #f8f9fa;
  text-align: left;
}

@media (max-width: 1050px) {
  .page {
    grid-template-columns: 1fr;
  }

  .infobox {
    position: static;
    order: -1;
  }

  .toc {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 760px) {
  .content {
    padding: 14px;
  }

  .skill-grid {
    grid-template-columns: 1fr;
  }

  p,
  li {
    font-size: 15px;
  }
}