:root {
  --bg: #ffffff;
  --text: #20242b;
  --muted: #6a7079;
  --rule: #e7e7e4;
  --link: #0b5fb0;
  --tag: #8a8f97;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Charter", "Georgia", "Iowan Old Style", "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 72px 28px 96px;
  display: grid;
  grid-template-columns: 232px 1fr;
  gap: 56px;
  align-items: start;
}

/* Sidebar */
.side {
  position: sticky;
  top: 56px;
}

.side h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.role {
  margin: 10px 0 0;
  font-size: 1rem;
  color: var(--text);
}

.loc {
  margin: 4px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.contact {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.95rem;
}

/* Main column */
.main {
  min-width: 0;
}

.bio p {
  margin: 0 0 16px;
}

.bio p:last-child {
  margin-bottom: 0;
}

.interests {
  font-size: 0.96rem;
  color: var(--muted);
}

.interests strong {
  color: var(--text);
}

section + section {
  margin-top: 48px;
}

h2 {
  margin: 0 0 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--muted);
}

/* Projects */
.proj {
  margin-bottom: 28px;
}

.proj:last-child {
  margin-bottom: 0;
}

.proj h3 {
  margin: 0 0 6px;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.proj p {
  margin: 0;
}

.proj .tags {
  margin-top: 6px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.82rem;
  color: var(--tag);
}

/* Writing / blog list */
.posts {
  list-style: none;
  padding: 0;
  margin: 0;
}

.posts li {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.posts li:last-child {
  border-bottom: none;
}

.post-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
}

.post-link:hover {
  text-decoration: none;
}

.post-link:hover .post-title {
  color: var(--link);
}

.post-title {
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.post-date {
  flex: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

.post-sum {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.97rem;
}

/* Education */
.edu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.edu li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.edu li:last-child {
  border-bottom: none;
}

.edu .deg {
  font-weight: 600;
  font-size: 1.05rem;
}

.edu .deg .yr {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  margin-left: 6px;
}

.edu .inst {
  color: var(--muted);
}

/* Publications & patents */
.pubs,
.patents {
  margin: 0;
  padding-left: 1.4rem;
}

.pubs li,
.patents li {
  margin-bottom: 16px;
  padding-left: 4px;
  font-size: 0.97rem;
  line-height: 1.5;
}

.pubs li:last-child,
.patents li:last-child {
  margin-bottom: 0;
}

.patents {
  list-style: disc;
}

.pubs .title,
.patents .title {
  font-style: italic;
}

.pubs .venue,
.patents .venue {
  color: var(--muted);
}

.pubs b {
  color: var(--text);
}

/* Standalone post page */
.post {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 28px 96px;
}

.backlink {
  display: inline-block;
  margin-bottom: 40px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.9rem;
}

.post-head h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.post-head time {
  display: block;
  margin-top: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 0.88rem;
  color: var(--muted);
}

.post-body {
  margin-top: 36px;
}

.post-body h2 {
  border: none;
  padding: 0;
  margin: 36px 0 12px;
  font-family: "Charter", "Georgia", serif;
  font-size: 1.35rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--text);
}

.post-body p {
  margin: 0 0 18px;
}

.post-body code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: #f3f3f0;
  padding: 1px 5px;
  border-radius: 4px;
}

@media (max-width: 760px) {
  .page {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 22px 64px;
  }

  .post {
    padding: 40px 22px 64px;
  }

  .side {
    position: static;
  }

  .contact {
    flex-direction: row;
    gap: 18px;
  }
}