@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/hanken-grotesk-latin.woff2') format('woff2');
}

:root {
  color-scheme: light dark;
  --paper: light-dark(oklch(100% 0 none), #101923);
  --ink: light-dark(oklch(31.31% 0.02942 242.976), #e6edf5);
  --muted: light-dark(oklch(54.125% 0.02525 244.106), #a4b2c2);
  --accent: light-dark(oklch(53.235% 0.21802 266.116), #8dabff);
  --mist: light-dark(oklch(97.201% 0.00623 255.475), #1a2635);
  --line: light-dark(oklch(92.817% 0.01039 247.938), #334254);
  --accent-soft: color-mix(in oklch, var(--accent) 20%, var(--paper));
  --page-width: 67.5rem;
  --page-gutter: clamp(1.25rem, 0.75rem + 2vw, 2rem);
  --text-hero: clamp(2.5rem, 1.67rem + 4.16vw, 4.75rem);
  --text-heading: clamp(2rem, 1.58rem + 2.09vw, 3.25rem);
  font-family: 'Hanken Grotesk', 'Segoe UI', sans-serif;
  font-size: 100%;
  text-wrap: pretty;
  overflow-wrap: break-word;
  scrollbar-gutter: stable;
  color: var(--ink);
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root[data-theme='light'] {
  color-scheme: light;
}
:root[data-theme='dark'] {
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-block-size: 100svh;
  line-height: 1.6;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
a,
button {
  touch-action: manipulation;
}
a:active,
button:active {
  color: var(--accent);
  background-color: var(--accent-soft);
}
::selection {
  background: var(--accent-soft);
  color: var(--ink);
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
  border-radius: 2px;
}
main:focus-visible {
  outline: 2px solid var(--line);
  outline-offset: 0.5rem;
}
.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed;
  inset-block-start: 1rem;
  inset-inline-start: 1rem;
  z-index: 2;
  padding: 0.75rem;
  background: var(--paper);
  color: var(--accent);
}
.site-nav,
.home-page,
.site-footer {
  inline-size: min(var(--page-width), calc(100% - 2 * var(--page-gutter)));
  margin-inline: auto;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  align-items: center;
  justify-content: space-between;
  min-block-size: 6.5rem;
}
.site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.055em;
}
.site-icon {
  display: block;
  inline-size: 2rem;
  block-size: 2rem;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 2rem;
  font-size: 0.9375rem;
}
.language-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.language-switcher a[aria-current] {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--muted);
  cursor: pointer;
}
.theme-toggle[hidden] {
  display: none;
}
.theme-toggle[aria-pressed='true'] {
  background: var(--mist);
  color: var(--accent);
}
.theme-toggle svg {
  inline-size: 1.25rem;
  block-size: 1.25rem;
}
.nav-links a,
.site-footer a {
  min-block-size: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding-block: 0.5rem;
}
.home-intro {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18.75rem;
  align-items: center;
  gap: 3rem;
  padding-block: 5rem 6rem;
}
.intro-copy h1 {
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.06;
  text-wrap: balance;
}
.intro-copy p {
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.65;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  inline-size: 100%;
  block-size: 100%;
  pointer-events: none;
  opacity: 0;
}
.hero-canvas:is([data-shader-state='running'], [data-shader-state='paused']) {
  opacity: 1;
}
.code-spark {
  display: block;
  inline-size: 100%;
  overflow: visible;
}
.spark-brackets {
  stroke: color-mix(in oklch, var(--ink) 30%, var(--paper));
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.spark-core {
  stroke: var(--accent);
  stroke-width: 19;
  stroke-linecap: round;
  transform-origin: 150px 130px;
  transform: rotate(-12deg);
}
.article-index {
  scroll-margin-top: 2rem;
}
.index-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block-end: 1.25rem;
  border-block-end: 1px solid var(--ink);
}
.index-heading :is(h1, h2) {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.index-heading p {
  color: var(--muted);
  font-size: 0.875rem;
}
.article-grid {
  display: grid;
}
.archive-page {
  padding-block-start: 3rem;
}
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-block-start: 2rem;
  font-size: 0.9375rem;
}
.pagination :is(a, [aria-current]) {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-inline-size: 2.75rem;
  min-block-size: 2.75rem;
  padding-inline: 0.75rem;
}
.pagination a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.pagination [aria-current] {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-weight: 600;
}
.article-card {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  align-items: start;
  gap: 0.75rem 2rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--line);
}
.article-date {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.article-card > .article-date {
  padding-block-start: 0.25rem;
}
.article-summary {
  display: block;
}
.article-summary.has-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12rem;
  align-items: center;
  gap: 1.5rem;
}
.article-thumbnail,
.article-cover {
  display: block;
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
  background: var(--mist);
}
.article-cover {
  margin-block-start: 2rem;
}
.article-card h2 {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  text-wrap: pretty;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--accent) 45%, var(--paper));
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
.article-summary:focus-visible h2 {
  text-decoration-color: currentColor;
}
.article-description {
  margin-top: 0.5rem;
  color: var(--muted);
  line-height: 1.6;
}
.article-topics {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.75rem 1.5rem;
  grid-column: 2;
  text-align: start;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.tag {
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}
.tag a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.read-story,
.back-to-articles {
  display: inline-block;
  color: var(--accent);
  font-size: 0.875rem;
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--accent) 45%, var(--paper));
  text-underline-offset: 0.25em;
}
.article-page {
  padding-block: 3rem 5rem;
  padding-inline: var(--page-gutter);
}
.article-content {
  max-width: 680px;
  margin-inline: auto;
}
.back-to-articles {
  margin-bottom: 3rem;
}
.article-heading h1,
.not-found h1 {
  margin-top: 1rem;
  font-size: var(--text-heading);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -0.045em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.article-deck {
  margin-top: 1.25rem;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--muted);
}
.article-heading .tags {
  margin-top: 1.5rem;
}
.prose {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
  font-size: 1.125rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.prose > :last-child {
  margin-bottom: 0;
}
.prose p {
  margin-block: 1.4em;
}
.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  font-weight: 600;
  letter-spacing: -0.025em;
  scroll-margin-top: 2rem;
  text-wrap: pretty;
}
.prose h1,
.prose h2 {
  font-size: 1.6667em;
  line-height: 1.3;
  margin-block: 2em 0.8em;
}
.prose h3 {
  font-size: 1.3333em;
  line-height: 1.4;
  margin-block: 1.7em 0.6em;
}
.prose h4 {
  font-size: 1.125em;
  margin-block: 1.5em 0.5em;
}
.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.prose strong {
  font-weight: 600;
}
.prose ul,
.prose ol {
  padding-left: 1.5em;
  margin-block: 1.4em;
}
.prose li {
  padding-left: 0.3em;
  margin-block: 0.6em;
}
.prose li::marker {
  color: var(--muted);
}
.prose blockquote {
  margin: 1.6em 0;
  padding-left: 1.25em;
  border-inline-start: 3px solid var(--accent);
  color: var(--muted);
}
.prose pre {
  position: relative;
  overflow-x: auto;
  margin-block: 2em;
  padding: 1.25em;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mist);
  font-size: 0.8125em;
  line-height: 1.75;
  overflow-wrap: normal;
}
.prose code {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
    monospace;
  font-size: 0.85em;
}
.prose :not(pre) > code {
  padding: 0.15em 0.3em;
  background: var(--mist);
  border-radius: 3px;
}
.prose pre code {
  font-size: inherit;
}
.prose .shiki,
.prose .shiki span {
  color: light-dark(var(--shiki-light), var(--shiki-dark));
}
.prose pre:has(.copy-code) {
  padding-top: 3rem;
}
.copy-code {
  position: absolute;
  inset-block-start: 0.5rem;
  inset-inline-end: 0.5rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid color-mix(in oklch, var(--ink) 35%, var(--paper));
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  font-size: 0.75rem;
  cursor: pointer;
}
.copy-code:disabled {
  cursor: default;
}
.prose img,
.prose video {
  display: block;
  max-width: 100%;
  height: auto;
  margin-block: 1.8em;
}
.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin-block: 2em;
  font-size: 0.8889em;
  text-align: left;
}
.prose th,
.prose td {
  padding: 0.75em;
  border-bottom: 1px solid var(--line);
}
.prose th {
  font-weight: 600;
}
.prose hr {
  margin-block: 3em;
  border: 0;
  border-top: 1px solid var(--line);
}
.article-navigation {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 1rem;
}
.article-navigation > * {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}
.article-navigation > :last-child {
  text-align: end;
}
.article-navigation a {
  color: var(--accent);
}
.not-found {
  max-width: 680px;
  margin-inline: auto;
  padding: 6rem 2rem 8rem;
}
.not-found p {
  margin-top: 1.5rem;
  color: var(--muted);
}
.not-found .read-story {
  margin-top: 1.5rem;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 3rem;
  margin-top: 4rem;
  color: var(--muted);
  font-size: 0.875rem;
}

@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover,
  .site-footer a:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 0.3em;
  }
  .article-summary:hover h2 {
    text-decoration-color: currentColor;
  }
  .read-story:hover,
  .back-to-articles:hover {
    text-decoration-color: currentColor;
  }
  .theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
  .copy-code:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
  .article-navigation a:hover {
    text-decoration: underline;
    text-underline-offset: 0.2em;
  }
}

@media (min-width: 1200px) {
  .home-intro {
    grid-template-columns: minmax(0, 1fr) 12rem;
    gap: 2rem;
  }
  .intro-copy h1 {
    font-size: 4rem;
  }
}

@media (max-width: 900px) {
  .home-intro {
    grid-template-columns: minmax(0, 1fr) 13.125rem;
    gap: 1.5rem;
    padding-block: 4rem 5rem;
  }
  .article-card {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 0.75rem 1.5rem;
  }
}

@media (max-width: 600px) {
  .site-nav {
    min-block-size: 5.5rem;
  }
  .nav-links {
    gap: 0.75rem;
    font-size: 0.875rem;
  }
  .home-intro {
    position: relative;
    display: block;
    padding-block: 6.5rem 3.5rem;
  }
  .intro-copy p {
    margin-top: 1.25rem;
    font-size: 1rem;
    max-width: 34ch;
  }
  .code-spark {
    position: absolute;
    inset-block-start: 0.5rem;
    inset-inline-start: -0.3rem;
    inline-size: 5.9375rem;
  }
  .index-heading p {
    font-size: 0.75rem;
  }
  .article-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    padding-block: 1.75rem;
  }
  .article-summary.has-cover {
    grid-template-columns: minmax(0, 1fr) 5.5rem;
    align-items: start;
    gap: 1rem;
  }
  .article-card h2 {
    font-size: 1.375rem;
  }
  .article-card > .article-date {
    padding-block-start: 0;
    font-size: 0.8125rem;
  }
  .article-topics {
    grid-column: 1;
    margin-top: 0.25rem;
    text-align: start;
  }
  .article-page {
    padding-block: 2rem 3rem;
  }
  .back-to-articles {
    margin-bottom: 2rem;
  }
  .article-deck {
    font-size: 1.125rem;
  }
  .prose {
    font-size: 1.0625rem;
  }
  .article-navigation {
    gap: 1rem;
  }
  .site-footer {
    margin-top: 1.5rem;
    padding-block: 2rem;
  }
}

@keyframes spark-turn {
  from {
    transform: rotate(-12deg);
  }
  to {
    transform: rotate(33deg);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .spark-core {
    animation: spark-turn 8s ease-in-out infinite alternate;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-canvas {
    display: none;
  }
}

@media print {
  :root {
    color-scheme: light !important;
  }
  .site-header,
  .site-footer,
  .copy-code,
  .article-navigation,
  .back-to-articles,
  .hero-canvas,
  .code-spark {
    display: none;
  }
  .article-page {
    padding: 0;
  }
  .prose {
    color: #000;
  }
  .prose pre {
    white-space: pre-wrap;
  }
}
.motion-book {
  position: relative;
  display: inline-block;
  inline-size: 2rem;
  block-size: 2rem;
  flex-shrink: 0;
  perspective: 350px;
  overflow: visible;
  /* Allow native vertical scrolling while reserving horizontal swipes. */
  touch-action: pan-y;
}
.motion-book .site-icon {
  inline-size: 100%;
  block-size: 100%;
}
.book-leaf,
.book-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.book-leaf {
  opacity: 0;
  transform-origin: 50% 50%;
}
.book-leaf svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.paper-plane {
  position: absolute;
  top: 26%;
  width: 50%;
  height: 36%;
  clip-path: polygon(0 22%, 100% 0, 48% 100%, 38% 55%);
  background: linear-gradient(150deg, #315bec 0 48%, #b9d3ff 49% 100%);
  filter: drop-shadow(0 2px 2px #315bec);
}
@media (prefers-reduced-motion: reduce) {
  .book-leaf,
  .book-effects {
    display: none;
  }
}