/* Shared site theme: quiet navigation and content-first reading. */
.site-layout {
  --bg: #f5f5f7;
  --panel: #fff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --accent: #0071e3;
  --accent-dark: #0066cc;
  --soft: #f5f5f7;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.site-layout h1,
.site-layout h2,
.site-layout h3,
.site-layout h4,
.site-layout .site-title {
  letter-spacing: -0.025em;
}

.site-layout a:focus-visible {
  outline: 3px solid rgba(0, 113, 227, .42);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-layout .sidebar {
  width: 220px;
  padding: 48px 28px 28px;
  align-items: flex-start;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, .72);
  color: var(--ink);
  text-align: left;
}

@supports ((backdrop-filter: blur(18px)) or (-webkit-backdrop-filter: blur(18px))) {
  .site-layout .sidebar {
    -webkit-backdrop-filter: blur(18px) saturate(125%);
    backdrop-filter: blur(18px) saturate(125%);
  }
}

.site-layout .avatar-link img {
  width: 56px;
  height: 56px;
  border: 0;
}

.site-layout .site-title {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 650;
}

.site-layout .site-tagline {
  margin: 10px 0 28px;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-layout .site-nav {
  gap: 4px;
  margin-top: 0;
}

.site-layout .site-nav a {
  padding: 9px 0;
  color: #535d65;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.site-layout .site-nav a[data-active],
.site-layout .site-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

.site-layout .site-nav a:hover,
.site-layout .site-nav a:focus-visible,
.site-layout .sidebar-links a:hover {
  background: transparent;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-layout .sidebar-links {
  color: var(--muted);
  font-size: 0.85rem;
}

.site-layout .content-shell {
  margin-left: 220px;
  background: var(--panel);
}

.site-layout .topbar {
  display: none;
}

.home-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px clamp(28px, 5vw, 64px) 40px;
}

.home-page .home-intro {
  padding: 0 0 44px;
}

.home-page .home-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.home-page .home-intro p {
  max-width: 36em;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.home-page .current-focus {
  margin: 0 0 48px;
}

.home-page .current-focus-heading {
  margin-bottom: 16px;
}

.home-page .current-focus-heading .eyebrow {
  margin-bottom: 6px;
}

.home-page .current-focus-heading h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.home-page .focus-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.home-page .focus-item {
  display: flex;
  flex-direction: column;
  min-height: 208px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(60, 60, 67, 0.12);
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(35, 44, 54, 0.05);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.home-page .focus-item:hover {
  border-color: rgba(0, 113, 227, 0.3);
  box-shadow: 0 12px 30px rgba(35, 44, 54, 0.1);
  transform: translateY(-2px);
}

.home-page .focus-item span {
  display: block;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.home-page .focus-item strong {
  display: block;
  min-height: 2.56em;
  font-size: 1.08rem;
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.home-page .focus-item p {
  margin: 12px 0 18px;
  color: #59636b;
  font-size: 0.9rem;
  line-height: 1.5;
}

.home-page .focus-item .focus-item-action {
  margin: auto 0 0;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.home-page .writing-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.home-page .writing-heading h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.home-page .writing-heading span {
  color: var(--muted);
  font-size: 0.8rem;
}

.home-page .post-list {
  gap: 0;
}

.home-page .post-preview {
  padding: 25px 0 27px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.home-page .post-preview-meta {
  gap: 6px 16px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.home-page .post-preview-meta span::before {
  content: none;
}

.home-page .post-preview h3 {
  margin-bottom: 8px;
  font-size: 1.24rem;
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.home-page .post-preview h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.home-page .post-preview p {
  margin: 0;
  color: #59636b;
  font-size: 0.95rem;
  line-height: 1.65;
}

.site-layout .site-footer {
  font-size: 0.78rem;
}

/* About and articles share the homepage's typography and unboxed sections. */
.site-layout .content-page,
.site-layout .post-page {
  max-width: 1000px;
  padding: 64px clamp(28px, 5vw, 64px) 40px;
}

.site-layout .page-hero,
.site-layout .content-card,
.site-layout .post-shell,
.site-layout .profile-panel {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.site-layout .page-hero {
  padding: 0 0 40px;
  margin: 0;
}

.site-layout .page-hero h1,
.site-layout .post-hero h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

.site-layout h2 {
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.35;
}

.site-layout h3 {
  font-weight: 600;
  line-height: 1.4;
}

.site-layout .eyebrow {
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-layout .about-hero {
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 56px;
  align-items: start;
  padding-bottom: 56px;
}

.site-layout .about-hero h1 {
  max-width: 12ch;
  margin: 10px 0 18px;
  font-size: clamp(2.35rem, 5vw, 3.5rem);
  line-height: 1.08;
}

.site-layout .about-hero > div > p:last-child {
  max-width: 40em;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.65;
}

.site-layout .profile-panel {
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(210, 210, 215, .72);
}

.site-layout .profile-panel img {
  width: 72px;
  height: 72px;
  margin-bottom: 12px;
  border-radius: 50%;
}

.site-layout .profile-name {
  margin: 0 0 10px;
  color: var(--ink);
  font-weight: 600;
}

.site-layout .profile-link {
  display: table;
  min-height: 0;
  margin: 8px 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.site-layout .content-card {
  margin: 0;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.site-layout .section-heading {
  display: block;
  margin-bottom: 22px;
}

.site-layout .section-heading h2 {
  margin-bottom: 0;
}

.site-layout .simple-timeline,
.site-layout .compact-list {
  gap: 0;
}

.site-layout .experience-card,
.site-layout .compact-list article {
  padding: 24px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.site-layout .experience-card:first-child,
.site-layout .compact-list article:first-child {
  padding-top: 0;
}

.site-layout .experience-card:last-child,
.site-layout .compact-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.site-layout .experience-meta span,
.site-layout .skill-cloud span {
  padding: 0;
  min-height: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 400;
}

.site-layout .experience-meta {
  gap: 6px 16px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: .8rem;
  letter-spacing: .02em;
}

.site-layout .experience-card h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.site-layout .experience-card li {
  margin-bottom: 6px;
}

.site-layout .about-list {
  max-width: 780px;
  margin-top: 22px;
}

.site-layout .about-list li { margin-bottom: 10px; }

.site-layout .skill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-layout .skill-cloud span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #f0f0f2;
  color: #424245;
  font-size: .82rem;
}

.site-layout .publications ol {
  margin: 0;
  padding-left: 1.35em;
}

.site-layout .publications li {
  margin-bottom: 14px;
  padding-left: 6px;
  color: #424245;
  line-height: 1.6;
}

.site-layout .skill-cloud {
  gap: 8px 20px;
}

.site-layout .post-hero {
  padding: 0 0 30px;
}

.site-layout .back-link {
  font-size: 0.88rem;
  font-weight: 500;
}

.site-layout .post-content {
  padding: 28px 0 40px;
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: #303236;
}

.site-layout .post-content > :is(p, ul, ol, blockquote, h2, h3, h4) {
  max-width: 760px;
}

.site-layout .post-content h2 {
  margin: 2.4em 0 .7em;
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  line-height: 1.25;
}

.site-layout .post-content h3 {
  margin: 2em 0 .6em;
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.35;
}

.site-layout .post-content p {
  margin: 0 0 1.15em;
}

.site-layout .post-content :is(ul, ol) {
  margin: .7em 0 1.3em;
  padding-left: 1.35em;
}

.site-layout .post-content blockquote {
  margin: 1.5em 0;
  padding: .15em 0 .15em 1.1em;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.site-layout .post-content :not(pre) > code {
  padding: .12em .35em;
  border-radius: 5px;
  background: #f0f0f2;
  color: #3a3a3c;
  font-size: .9em;
}

.site-layout .post-content pre {
  margin: 1.5em 0;
  padding: 18px 20px;
  overflow-x: auto;
  border: 1px solid #d2d2d7;
  border-radius: 12px;
  background: #1d1d1f;
  color: #f5f5f7;
  font-size: .86rem;
  line-height: 1.6;
}

.site-layout .post-content .highlight {
  margin: 1.5em 0;
  border-radius: 14px;
  background: #1d1d1f;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}

.site-layout .post-content .highlight pre {
  margin: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

/* Keep syntax color restrained so code reads as documentation, not decoration. */
.site-layout .post-content .highlight :is(.k, .kc, .kd, .kn, .kp, .kr, .kt) { color: #ff9f0a; }
.site-layout .post-content .highlight :is(.s, .sa, .sb, .sc, .dl, .sd, .s2, .se, .sh, .si, .sx, .sr, .s1, .ss) { color: #30d158; }
.site-layout .post-content .highlight :is(.na, .nb, .bp, .nc, .nf, .fm, .nn, .nt) { color: #64d2ff; }
.site-layout .post-content .highlight :is(.m, .mb, .mf, .mh, .mi, .il, .mo, .mx) { color: #bf5af2; }

.site-layout .post-content table {
  width: 100%;
  margin: 1.5em 0;
  border-collapse: collapse;
  font-size: .92rem;
  line-height: 1.5;
}

.site-layout .post-content :is(th, td) {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.site-layout .post-content th {
  color: var(--ink);
  font-weight: 600;
  background: #f5f5f7;
}

.site-layout .post-content a {
  color: var(--accent-dark);
  text-underline-offset: 3px;
}

.site-layout .post-content a:hover {
  text-decoration: underline;
}

.site-layout .post-figure {
  margin: 2em 0;
}

.site-layout .post-figure figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.5;
}

.site-layout .post-content > :first-child {
  margin-top: 0;
}

.site-layout .post-content li {
  min-width: 0;
}

.site-layout .post-content th,
.site-layout .post-content td {
  min-width: 100px;
  overflow-wrap: normal;
  word-break: normal;
}

.site-layout .post-chart,
.site-layout .post-details,
.site-layout .post-figure img {
  border-radius: 4px;
  box-shadow: none;
}

.site-layout .comments {
  padding: 30px 0;
}

.post-outline[hidden] {
  display: none;
}

.post-outline {
  min-width: 0;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.outline-disclosure summary {
  padding: 10px 0;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

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

.post-outline nav {
  max-height: min(60vh, 520px);
  overflow-y: auto;
  padding: 4px 5px 12px 0;
  scrollbar-width: thin;
}

.post-outline ol ol {
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.post-outline a {
  display: block;
  padding: 6px 0;
  overflow-wrap: anywhere;
}

.post-outline a:hover,
.post-outline a[aria-current="location"] {
  color: var(--accent-dark);
}

.post-outline a[aria-current="location"] {
  font-weight: 600;
}

.post-content :is(h2, h3) {
  scroll-margin-top: 28px;
}

@media (min-width: 1200px) {
  .site-layout .post-page.has-outline {
    max-width: 1280px;
    padding-inline: 40px;
  }

  .has-outline .post-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 0 40px;
    align-items: start;
  }

  .has-outline .post-hero,
  .has-outline .post-content,
  .has-outline .comments {
    grid-column: 1;
    min-width: 0;
  }

  .has-outline .post-content {
    grid-row: 2;
  }

  .post-outline {
    grid-column: 2;
    grid-row: 1 / 4;
    position: sticky;
    top: 32px;
    margin: 0;
  }

  .outline-disclosure summary {
    list-style: none;
  }

  .outline-disclosure summary::-webkit-details-marker {
    display: none;
  }

  .post-outline nav {
    max-height: calc(100vh - 112px);
  }
}

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

@media (max-width: 920px) {
  .site-layout .sidebar {
    position: static;
    width: auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 6px 14px;
    padding: 20px 28px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: #fff;
  }

  .site-layout .avatar-link {
    grid-row: 1 / 3;
    margin: 0;
  }

  .site-layout .avatar-link img {
    width: 40px;
    height: 40px;
  }

  .site-layout .site-title {
    grid-column: 2;
  }

  .site-layout .site-tagline {
    grid-column: 2;
    margin: 0;
    font-size: 0.78rem;
  }

  .site-layout .site-nav {
    grid-column: 3;
    grid-row: 1 / 3;
    display: flex;
    gap: 20px;
    margin: 0;
  }

  .site-layout .sidebar-links {
    grid-column: 2 / -1;
    margin-top: 4px;
  }

  .site-layout .content-shell {
    margin-left: 0;
  }

  .home-page,
  .site-layout .content-page,
  .site-layout .post-page {
    padding-top: 36px;
  }

  .site-layout .about-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 40px;
  }

  .site-layout .about-hero h1 { max-width: none; }

  .site-layout .profile-panel {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: center;
    padding: 16px;
  }

  .site-layout .profile-panel img { margin: 0; }

  .site-layout .post-content {
    font-size: 1rem;
  }

  .site-layout .post-content pre {
    margin-inline: -4px;
    padding: 15px 16px;
    border-radius: 10px;
    font-size: .82rem;
  }
}

@media (max-width: 540px) {
  .site-layout .sidebar {
    grid-template-columns: auto 1fr;
    padding: 18px 22px 12px;
  }

  .site-layout .site-nav {
    grid-column: 1 / -1;
    grid-row: 3;
    gap: 24px;
    margin-top: 8px;
  }

  .site-layout .sidebar-links {
    grid-column: 1 / -1;
    margin: 0;
  }

  .home-page,
  .site-layout .content-page,
  .site-layout .post-page {
    padding: 30px 22px;
  }

  .home-page .home-intro {
    padding-bottom: 30px;
  }

  .home-page .current-focus {
    margin-bottom: 34px;
  }

  .home-page .focus-list {
    grid-template-columns: 1fr;
  }

  .home-page .focus-item {
    min-height: 0;
  }

  .home-page .focus-item strong {
    min-height: 0;
  }

  .home-page .post-preview h3 {
    font-size: 1.15rem;
  }
}