:root {
  --space: #010204;
  --paper: #f3f8fa;
  --text: #c7d1d6;
  --muted: #7d8a91;
  --faint: #4e5b62;
  --cyan: #72e5ff;
  --line: rgba(170, 203, 218, 0.16);
  --content: min(980px, calc(100vw - 48px));
  --reading: min(720px, calc(100vw - 48px));
  --font-text: "Bahnschrift", "Aptos", "Segoe UI Variable Text", sans-serif;
  --font-code: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

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

html {
  min-height: 100%;
  color-scheme: dark;
  background: var(--space);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font-text);
  font-size: 16px;
  font-weight: 350;
  line-height: 1.65;
  background: linear-gradient(180deg, #03070b 0, var(--space) 30rem) fixed;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

::selection {
  color: #001014;
  background: var(--cyan);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 7px 10px;
  color: var(--space);
  background: var(--cyan);
  transform: translateY(-180%);
}

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

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: var(--content);
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  color: var(--paper);
}

.brand-mark {
  font-family: var(--font-code);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.38em;
  text-indent: 0.38em;
}

.brand-channel {
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.7vw, 30px);
}

.site-nav a,
.text-link,
.button-link,
.back-link {
  color: var(--muted);
  font-family: var(--font-code);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 150ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.button-link:hover,
.button-link:focus-visible,
.back-link:hover,
.back-link:focus-visible {
  color: var(--cyan);
}

.external-mark {
  margin-left: 4px;
  color: var(--cyan);
}

.site-main {
  min-height: calc(100vh - 142px);
}

.home-intro {
  width: var(--content);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 96px) 0 48px;
  border-bottom: 1px solid var(--line);
}

.home-intro > div:first-child {
  max-width: 650px;
}

.home-intro h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  font-weight: 340;
  letter-spacing: -0.045em;
  line-height: 1;
}

.home-intro p {
  max-width: 570px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.signal-stage {
  height: 72px;
  margin-top: clamp(36px, 6vw, 58px);
  overflow: hidden;
}

.signal-wave {
  width: 100%;
  height: 100%;
  display: block;
}

.post-index,
.list-shell {
  width: var(--content);
  margin: 0 auto;
  padding: 54px 0 96px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin: 0;
  color: var(--paper);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.post-list {
  border-top: 1px solid var(--line);
}

.post-row {
  border-bottom: 1px solid var(--line);
}

.post-row > a {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr) 56px;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
}

.post-row time,
.post-row > a > span {
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.61rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.post-row > a > span {
  text-align: right;
  white-space: nowrap;
}

.post-row h2 {
  margin: 0;
  color: var(--paper);
  font-size: 1.18rem;
  font-weight: 420;
  letter-spacing: -0.018em;
  line-height: 1.3;
  transition: color 150ms ease;
}

.post-row p {
  max-width: 620px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.post-row a:hover h2,
.post-row a:focus-visible h2 {
  color: var(--cyan);
}

.empty-state {
  padding: 30px 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.empty-state p {
  margin: 0;
}

.page-intro {
  max-width: 720px;
  padding: 10px 0 42px;
}

.page-intro h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 350;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.page-intro-copy {
  max-width: 600px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.page-intro-copy > :first-child {
  margin-top: 0;
}

.pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-top: 42px;
  font-family: var(--font-code);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pagination > :last-child {
  text-align: right;
}

.pagination a {
  color: var(--text);
}

.pagination a:hover,
.pagination a:focus-visible {
  color: var(--cyan);
}

.pagination-status {
  color: var(--faint);
}

.article-shell,
.standard-page {
  width: var(--reading);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 90px) 0 clamp(88px, 12vw, 130px);
}

.standard-page {
  width: var(--content);
}

.article-header {
  margin-bottom: 52px;
}

.article-header .back-link {
  display: inline-block;
  margin-bottom: 38px;
}

.article-header h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  font-weight: 340;
  letter-spacing: -0.045em;
  line-height: 1.03;
  text-wrap: balance;
}

.article-deck {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.61rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.article-content {
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.78;
}

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

.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--paper);
  font-weight: 460;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.article-content h2 {
  margin: 2.5em 0 0.7em;
  font-size: clamp(1.6rem, 3vw, 2.15rem);
}

.article-content h3 {
  margin: 2.2em 0 0.65em;
  font-size: 1.35rem;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote,
.article-content pre,
.article-content table {
  margin: 0 0 1.45em;
}

.article-content a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(114, 229, 255, 0.35);
  text-underline-offset: 0.2em;
}

.article-content a:hover,
.article-content a:focus-visible {
  text-decoration-color: var(--cyan);
}

.article-content strong {
  color: var(--paper);
  font-weight: 600;
}

.article-content blockquote {
  margin-right: 0;
  margin-left: 0;
  padding: 2px 0 2px 22px;
  color: #aabcc4;
  border-left: 1px solid var(--cyan);
}

.article-content code {
  padding: 0.12em 0.32em;
  color: #b7f1ff;
  font-family: var(--font-code);
  font-size: 0.86em;
  background: rgba(114, 229, 255, 0.07);
}

.article-content pre {
  max-width: 100%;
  padding: 20px;
  overflow-x: auto;
  background: #03070b;
  border: 1px solid var(--line);
}

.article-content pre code {
  padding: 0;
  color: inherit;
  background: none;
}

.article-content hr {
  height: 1px;
  margin: 3em 0;
  border: 0;
  background: var(--line);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.article-content th,
.article-content td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.article-content th {
  color: var(--paper);
  font-family: var(--font-code);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-content img {
  width: auto;
  margin: 2em auto;
  border: 1px solid var(--line);
}

.article-tags {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-top: 60px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-code);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-tags > span {
  color: var(--faint);
}

.article-tags div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 16px;
}

.article-tags a {
  color: var(--cyan);
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  margin-top: 58px;
}

.article-nav > div:last-child {
  text-align: right;
}

.article-nav span {
  display: block;
  margin-bottom: 7px;
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-nav a {
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.4;
}

.article-nav a:hover,
.article-nav a:focus-visible {
  color: var(--cyan);
}

.taxonomy-grid {
  border-top: 1px solid var(--line);
}

.taxonomy-grid a {
  display: flex;
  min-height: 58px;
  padding: 15px 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.taxonomy-grid a:hover span,
.taxonomy-grid a:focus-visible span {
  color: var(--cyan);
}

.taxonomy-grid span {
  color: var(--paper);
  font-size: 0.95rem;
  transition: color 150ms ease;
}

.taxonomy-grid strong {
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.61rem;
  font-weight: 400;
}

.archive-list {
  border-top: 1px solid var(--line);
}

.archive-year {
  display: grid;
  grid-template-columns: 110px 1fr;
  border-bottom: 1px solid var(--line);
}

.archive-year h2 {
  margin: 0;
  padding: 20px 20px 20px 0;
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.archive-year > div {
  border-left: 1px solid var(--line);
}

.archive-year a {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 18px;
  padding: 18px 0 18px 24px;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}

.archive-year a:last-child {
  border-bottom: 0;
}

.archive-year time {
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.6rem;
  text-transform: uppercase;
}

.archive-year a span {
  color: var(--paper);
  font-size: 0.92rem;
}

.archive-year i {
  color: var(--cyan);
  font-style: normal;
}

.error-page {
  width: var(--content);
  min-height: calc(100vh - 142px);
  margin: 0 auto;
  padding: 70px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.error-page > strong {
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.error-page h1 {
  margin: 18px 0 8px;
  color: var(--paper);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 380;
  letter-spacing: -0.035em;
}

.error-page > p {
  margin: 0 0 28px;
  color: var(--muted);
}

.button-link {
  color: var(--paper);
  border-bottom: 1px solid var(--cyan);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  width: var(--content);
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--faint);
  font-family: var(--font-code);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-inner > div,
.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-signal {
  width: 20px;
  height: 1px;
  background: var(--cyan);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cyan);
}

.chroma {
  color: #d7e5ed;
  background: transparent;
}

.chroma .k,
.chroma .kd,
.chroma .kn,
.chroma .kp,
.chroma .kr {
  color: #b39cff;
}

.chroma .s,
.chroma .s1,
.chroma .s2 {
  color: #85e6ca;
}

.chroma .c,
.chroma .c1,
.chroma .cm {
  color: #657985;
}

.chroma .nf,
.chroma .nx {
  color: #83ddff;
}

.chroma .m,
.chroma .mi,
.chroma .mf {
  color: #ffc889;
}

@media (max-width: 700px) {
  :root {
    --content: min(100% - 32px, 980px);
    --reading: min(100% - 32px, 720px);
  }

  .header-inner {
    min-height: 96px;
    padding: 15px 0;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .site-nav a {
    font-size: 0.56rem;
    white-space: nowrap;
  }

  .home-intro {
    padding-top: 54px;
  }

  .home-intro h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .post-index,
  .list-shell {
    padding: 44px 0 76px;
  }

  .post-row > a {
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
    padding: 21px 0;
  }

  .post-row time {
    grid-column: 1;
    grid-row: 1;
  }

  .post-row > a > div {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .post-row > a > span {
    grid-column: 2;
    grid-row: 1;
  }

  .page-intro {
    padding-bottom: 32px;
  }

  .article-shell,
  .standard-page {
    padding-top: 54px;
  }

  .article-header .back-link {
    margin-bottom: 30px;
  }

  .article-content pre {
    margin-right: -16px;
    margin-left: -16px;
    padding: 18px 16px;
    border-right: 0;
    border-left: 0;
  }

  .article-tags {
    flex-direction: column;
  }

  .article-tags div {
    justify-content: flex-start;
  }

  .article-nav {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-nav > div:last-child {
    text-align: left;
  }

  .archive-year {
    grid-template-columns: 1fr;
  }

  .archive-year h2 {
    padding-bottom: 10px;
  }

  .archive-year > div {
    border-left: 0;
  }

  .archive-year a {
    grid-template-columns: 60px 1fr auto;
    gap: 12px;
    padding-left: 0;
  }

  .footer-inner {
    min-height: 94px;
    padding: 18px 0;
    flex-direction: column;
    justify-content: center;
    gap: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}