:root {
  color-scheme: light dark;
  --background: #fbfbfa;
  --surface: #f3f3f0;
  --foreground: #1d1d1b;
  --muted: #676761;
  --border: #deded8;
  --accent: #245b52;
  --code-background: #efefeb;
  --content-width: 42rem;
  --site-width: 62rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #171816;
    --surface: #20221f;
    --foreground: #ecece7;
    --muted: #aaa99f;
    --border: #373934;
    --accent: #8bc8ba;
    --code-background: #252724;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  color: var(--foreground);
  background: var(--background);
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.8rem;
  color: var(--background);
  background: var(--foreground);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 2rem auto;
  border-radius: 0.4rem;
}

hr {
  margin: 2.5rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.site-shell {
  width: min(100% - 3rem, var(--site-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  min-height: 5.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-name {
  color: var(--foreground);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.site-nav a,
.site-footer a {
  padding-block: 0.2rem;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-footer a:hover {
  color: var(--foreground);
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.3em;
}

main {
  min-height: 60vh;
}

.intro {
  max-width: 47rem;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
}

.intro h1 {
  max-width: 43rem;
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.intro p {
  max-width: 35rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.section-title,
.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.post-summary {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.post-summary time,
.related-posts time {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.post-summary h3,
.related-posts h3 {
  margin: -0.2rem 0 0.5rem;
  font-size: 1.3rem;
  line-height: 1.35;
}

.post-summary h3 a,
.related-posts h3 a {
  color: var(--foreground);
  text-decoration: none;
}

.post-summary h3 a:hover,
.related-posts h3 a:hover {
  color: var(--accent);
}

.post-excerpt {
  color: var(--muted);
}

.post-excerpt {
  margin: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  margin: 0.9rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
  text-transform: capitalize;
}

.tag-list li:not(:last-child)::after {
  content: "·";
  margin-left: 0.9rem;
}

.pagination {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.pagination-item {
  font-weight: 600;
}

.post,
.page {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.post-header,
.page-header {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.post-header h1,
.page-header h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: capitalize;
}

.post-content,
.page-content {
  font-family: var(--font-sans);
}

.post-content > :first-child,
.page-content > :first-child {
  margin-top: 0;
}

.post-content p,
.page-content p {
  margin: 0 0 1.4rem;
}

.post-content h2,
.page-content h2 {
  margin: 3rem 0 1rem;
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.post-content h3,
.page-content h3 {
  margin: 2.25rem 0 0.75rem;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  line-height: 1.3;
}

blockquote {
  margin: 2rem 0;
  padding-left: 1.25rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
}

pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
  padding: 1.1rem;
  background: var(--code-background);
  border-radius: 0.4rem;
  font-size: 0.82rem;
  line-height: 1.55;
  -webkit-overflow-scrolling: touch;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

:not(pre) > code {
  padding: 0.12rem 0.3rem;
  background: var(--code-background);
  border-radius: 0.25rem;
  font-size: 0.88em;
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  -webkit-overflow-scrolling: touch;
}

th,
td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.related-posts {
  width: min(100%, var(--content-width));
  margin: 0 auto 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.related-posts > h2 {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
}

.related-posts article {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: 0.7rem 0;
}

.related-posts h3 {
  margin: 0;
  font-size: 1rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 4rem;
  padding: 2rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0;
}

.talks-page {
  width: min(100%, var(--site-width));
}

.talk-row {
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 0.2rem;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 42rem) {
  html {
    font-size: 17px;
  }

  .site-shell {
    width: min(100% - 2rem, var(--site-width));
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.7rem;
    min-height: 0;
    padding-block: 1.15rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .intro {
    padding: 3.5rem 0 3rem;
  }

  .post-summary {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding: 1.6rem 0;
  }

  .post-summary h3 {
    margin-top: 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 23rem) {
  .site-nav {
    justify-content: flex-start;
  }

  .related-posts article {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .related-posts {
    display: none;
  }

  .site-shell,
  .post,
  .page {
    width: 100%;
  }

  body {
    color: #000;
    background: #fff;
  }
}