:root {
  color-scheme: light;
  --site-background: #ffffff;
  --site-text: #3f3f46;
  --site-heading: #18181b;
  --site-muted: #71717a;
  --site-border: #e4e4e7;
  --site-code-background: #f4f4f5;
  --site-focus: #2563eb;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --site-background: #09090b;
    --site-text: #d4d4d8;
    --site-heading: #fafafa;
    --site-muted: #a1a1aa;
    --site-border: #27272a;
    --site-code-background: #18181b;
    --site-focus: #93c5fd;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100svh;
  margin: 0;
  background: var(--site-background);
  color: var(--site-text);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.78;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

::selection {
  background: color-mix(in srgb, var(--site-focus) 25%, transparent);
}

a {
  color: var(--site-heading);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  transition: color 120ms ease, opacity 120ms ease;
}

a:hover {
  color: var(--site-muted);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--site-focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border-radius: 4px;
  background: var(--site-heading);
  color: var(--site-background);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 24px;
  transform: translateY(-150%);
}

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

.site-header,
.site-main,
.site-footer {
  width: calc(100% - 48px);
  max-width: 672px;
  margin-right: auto;
  margin-left: auto;
}

.site-header {
  padding-top: 32px;
}

.site-nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px 24px;
}

.site-brand,
.site-nav__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 0;
  color: var(--site-heading);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 24px;
  text-decoration: none;
  white-space: nowrap;
}

.site-brand {
  flex: 0 0 auto;
  font-weight: 700;
}

.site-nav__links {
  display: flex;
  flex: 1 1 auto;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 0 20px;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__links a {
  font-weight: 400;
}

.site-nav__links a[aria-current="page"],
.site-nav__links a:hover {
  color: var(--site-heading);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.site-main {
  flex: 1 0 auto;
  margin-top: 76px;
  margin-bottom: 80px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 40px;
  color: var(--site-muted);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 24px;
}

.site-footer__copyright {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.site-easter-egg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  text-decoration: none;
}

.site-social {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-social__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--site-muted);
  border-radius: 4px;
}

.site-social__link:hover {
  color: var(--site-heading);
}

.site-social__link svg {
  width: 20px;
  height: 20px;
}

.content-page {
  width: 100%;
}

.page-header {
  margin: 0 0 56px;
}

.page-title {
  margin: 0 0 32px;
  color: var(--site-heading);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  overflow-wrap: anywhere;
}

.home-title {
  margin-bottom: 64px;
}

.page-meta,
.page-citation {
  color: var(--site-muted);
  font-size: 16px;
  line-height: 28px;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0 20px;
}

.page-meta__line,
.page-citation {
  margin: 0 0 8px;
}

.page-citation {
  max-width: 65ch;
  margin-top: 16px;
}

.page-citation strong {
  color: var(--site-text);
  font-weight: 500;
}

.prose {
  min-width: 0;
  overflow-wrap: break-word;
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose a {
  color: var(--site-heading);
  font-weight: 500;
  text-decoration-color: var(--site-border);
}

.prose a:hover {
  color: var(--site-muted);
  text-decoration-color: currentColor;
}

.prose p,
.prose ul,
.prose ol,
.prose dl,
.prose blockquote,
.prose figure,
.prose pre,
.prose table,
.prose .notice {
  margin-top: 0;
  margin-bottom: 24px;
}

.prose ul,
.prose ol {
  padding-left: 1.5em;
}

.prose li + li {
  margin-top: 8px;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  margin-top: 56px;
  margin-bottom: 20px;
  color: var(--site-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

.prose h1 {
  font-size: 40px;
}

.prose h2 {
  font-size: 32px;
}

.prose h3 {
  font-size: 25px;
}

.prose h4 {
  font-size: 21px;
}

.prose h5,
.prose h6 {
  font-size: 18px;
}

.prose h1 + *,
.prose h2 + *,
.prose h3 + *,
.prose h4 + *,
.prose h5 + *,
.prose h6 + * {
  margin-top: 0;
}

.prose hr {
  height: 1px;
  margin: 40px 0;
  border: 0;
  background: var(--site-border);
}

.prose blockquote {
  margin-left: 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--site-border);
  color: var(--site-muted);
}

.prose blockquote > :last-child {
  margin-bottom: 0;
}

.prose img,
.prose video {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto;
}

.prose iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 32px auto;
  border: 1px solid var(--site-border);
}

.prose figure img {
  margin: 0 auto;
}

.prose figcaption {
  margin-top: 8px;
  color: var(--site-muted);
  font-size: 15px;
  line-height: 24px;
  text-align: center;
}

.prose code,
.prose kbd,
.prose samp {
  padding: 0.12em 0.3em;
  border-radius: 3px;
  background: var(--site-code-background);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
}

.prose pre {
  max-width: 100%;
  padding: 16px;
  overflow-x: auto;
  border: 1px solid var(--site-border);
  border-radius: 4px;
  background: var(--site-code-background);
  color: var(--site-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  line-height: 24px;
  white-space: pre;
  tab-size: 2;
}

.prose pre code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

.prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  border-spacing: 0;
}

.prose th,
.prose td {
  min-width: 8rem;
  padding: 10px 12px;
  border-bottom: 1px solid var(--site-border);
  text-align: left;
  vertical-align: top;
}

.prose th {
  color: var(--site-heading);
  font-weight: 500;
}

.prose dt {
  color: var(--site-heading);
  font-weight: 500;
}

.prose dd {
  margin-left: 1.5em;
}

.prose abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 0.15em;
}

.prose .text-center {
  text-align: center;
}

.prose .notice {
  padding: 16px;
  border-left: 2px solid var(--site-border);
  background: var(--site-code-background);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--site-border);
  border-radius: 4px;
  color: var(--site-heading);
  text-decoration: none;
}

.btn:hover {
  border-color: var(--site-heading);
  color: var(--site-heading);
}

.archive-header {
  margin-bottom: 64px;
}

.archive-content > .archive__subtitle,
.archive-content > h2.archive__subtitle {
  margin-top: 64px;
  margin-bottom: 24px;
  color: var(--site-heading);
  font-size: 28px;
  line-height: 1.25;
}

.archive-content > .archive__subtitle:first-child,
.archive-content > h2.archive__subtitle:first-child {
  margin-top: 0;
}

.archive__item {
  min-width: 0;
}

.list__item,
.grid__item {
  margin-bottom: 40px;
}

.prose .archive__item-title {
  margin: 0 0 8px;
  color: var(--site-heading);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.archive__item-title a {
  color: inherit;
}

.archive__item-excerpt,
.archive__item > p {
  margin: 0 0 12px;
  color: var(--site-text);
  font-size: 16px;
  line-height: 28px;
}

.archive__item-teaser {
  margin-bottom: 16px;
}

.archive__item-teaser img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-taxonomy,
.page__share,
.page-nav,
.page__comments,
.page__related {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--site-border);
}

.page__taxonomy {
  color: var(--site-muted);
  font-size: 15px;
  line-height: 24px;
}

.page__share-title,
.page__comments-title,
.page__related-title {
  margin: 0 0 16px;
  color: var(--site-heading);
  font-size: 18px;
  font-weight: 500;
}

.page__share .btn {
  margin: 0 8px 8px 0;
}

.page-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.page-nav__link {
  display: flex;
  min-height: 44px;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  text-decoration: none;
}

.page-nav__link--next {
  align-items: flex-end;
  text-align: right;
}

.page-nav__label {
  color: var(--site-muted);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  line-height: 20px;
}

.page-nav__title {
  color: var(--site-heading);
  font-size: 16px;
  line-height: 24px;
  overflow-wrap: anywhere;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 20px;
  }

  .site-nav {
    display: block;
  }

  .site-nav__links {
    justify-content: flex-start;
    gap: 0 18px;
    margin-top: 8px;
  }

  .site-main {
    margin-top: 56px;
    margin-bottom: 64px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 24px;
  }

  .page-title {
    font-size: 36px;
    line-height: 1.05;
  }

  .home-title {
    margin-bottom: 48px;
  }

  .page-header {
    margin-bottom: 40px;
  }

  .page-nav {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-nav__link--next {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .site-nav__links {
    gap: 0 14px;
  }

  body {
    font-size: 17px;
    line-height: 1.7;
  }

  .prose h1 {
    font-size: 34px;
  }

  .prose h2 {
    font-size: 28px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Keep the photo on the current page, with native modal focus handling. */
html:has(.photo-dialog[open]) {
  overflow: hidden;
}

.photo-dialog {
  max-width: calc(100vw - 32px);
  max-height: calc(100svh - 32px);
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: var(--site-background);
}

.photo-dialog::backdrop {
  background: rgb(0 0 0 / 70%);
}

.photo-dialog form {
  margin: 0;
}

.photo-dialog img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(720px, calc(100vw - 32px));
  max-height: calc(100svh - 32px);
  object-fit: contain;
}

.photo-dialog__close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgb(0 0 0 / 65%);
  color: white;
  font: 28px/1 Helvetica, Arial, sans-serif;
  cursor: pointer;
}

/* A short, page-load entrance for the homepage biography. */
@keyframes biography-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes biography-fade {
  from { opacity: 0.8; }
  to { opacity: 1; }
}

@media screen {
  .home-page .home-title,
  .home-page .prose > p {
    animation: biography-enter 300ms var(--ease-out) both;
  }

  .home-page .prose > p:nth-of-type(1) { animation-delay: 50ms; }
  .home-page .prose > p:nth-of-type(2) { animation-delay: 100ms; }
  .home-page .prose > p:nth-of-type(3) { animation-delay: 150ms; }
  .home-page .prose > p:nth-of-type(4) { animation-delay: 200ms; }

}

@media screen and (prefers-reduced-motion: reduce) {
  .home-page .home-title,
  .home-page .prose > p:nth-of-type(n) {
    animation-name: biography-fade;
    animation-duration: 150ms !important;
    animation-delay: 0ms;
  }
}

@media screen {
  /* Keyboard focus should reveal links immediately. */
  .home-page:focus-within .home-title,
  .home-page:focus-within .prose > p {
    animation: none;
  }
}