:root {
  color-scheme: dark;
  --canvas: #0b0f19;
  --surface: #101827;
  --ink: #f0f4fb;
  --body: #c0cad9;
  --muted: #8b98ab;
  --line: #263246;
  --accent: #58a6ff;
  --accent-dim: #183a5b;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Urbanist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Alegreya", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 15px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; }
a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.site-shell { width: min(100% - 48px, 980px); margin: 0 auto; }
.site-header {
  position: relative;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  color: var(--ink);
  text-decoration: none;
  font: 700 12px/1.4 var(--sans);
  letter-spacing: -.04em;
  white-space: nowrap;
}
.wordmark span { color: var(--accent); padding: 0 2px; }
.site-nav {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  margin: 0;
}
.site-nav a {
  color: var(--muted);
  font: 14px/1.5 var(--sans);
  white-space: nowrap;
  padding: 8px 2px;
}
.github-orb {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid #3a526f;
  border-radius: 50%;
  background: #111c2c;
  color: var(--ink);
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.github-orb svg { display: block; width: 23px; height: 23px; flex: 0 0 auto; }
.github-orb:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--ink);
  text-decoration: none;
  transform: translateY(-50%);
}
.site-nav a {
  color: var(--muted);
  font: 14px/1.5 var(--sans);
  white-space: nowrap;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"]::before { content: "["; color: var(--accent); margin-right: 3px; }
.site-nav a[aria-current="page"]::after { content: "]"; color: var(--accent); margin-left: 3px; }
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  padding: 6px 10px;
  background: transparent;
  color: var(--ink);
  font: 11px var(--sans);
  cursor: pointer;
}
.intro {
  min-height: calc(100svh - 66px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 0 76px;
  text-align: center;
}
.eyebrow, .project-id, .section-label, .runtime dt, .project-meta > div > span {
  color: var(--muted);
  font: 10px/1.7 var(--sans);
  letter-spacing: .045em;
}
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 23px; }
.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.intro h1, .page-heading h1 {
  margin: 0;
  font: 700 clamp(42px, 7vw, 68px)/1.12 var(--display);
  letter-spacing: -.075em;
}
.title-slash { color: var(--accent); }
.intro-grid {
  display: block;
  width: 100%;
  margin-top: 26px;
}
.intro-text {
  max-width: 790px;
  margin: 0 auto;
  color: var(--body);
  font-size: clamp(19px, 2.3vw, 23px);
  line-height: 1.8;
}
.runtime { margin: 0; border-top: 1px solid var(--line); }
.runtime > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.runtime dt { margin: 0; font-size: 9px; }
.runtime dd { margin: 0; color: var(--body); font-size: 11px; }
.status-text { color: var(--accent); }
.intro-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}
.primary-link, .secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 12px 19px;
  border: 1px solid var(--accent);
  font: 600 13px/1.5 var(--sans);
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.primary-link { background: var(--accent); color: #07111f; }
.primary-link:hover { background: #80bdff; border-color: #80bdff; color: #07111f; text-decoration: none; }
.primary-link span, .secondary-link span { font-size: 17px; }
.secondary-link { background: transparent; color: var(--ink); }
.secondary-link:hover { background: var(--accent-dim); color: var(--ink); text-decoration: none; }
.text-link { font: 11px/1.8 var(--sans); }
.text-link span { color: var(--accent); padding-left: 5px; }
.muted-link { color: var(--muted); }
.ledger-section {
  display: grid;
  grid-template-columns: 175px minmax(0, 1fr);
  gap: 26px;
  padding: 29px 0 35px;
  border-top: 1px solid var(--line);
}
.section-label { display: flex; align-items: baseline; gap: 13px; color: var(--ink); }
.section-label h2 { margin: 0; font: 600 12px/1.7 var(--display); letter-spacing: .015em; }
.line-number { color: var(--accent); }
.section-body { min-width: 0; }
.about-copy { max-width: 650px; }
.about-copy p { margin: 0 0 14px; color: var(--body); font-size: 13px; line-height: 1.95; }
.about-copy p:last-child { margin-bottom: 0; }
.system-row {
  display: grid;
  grid-template-columns: 125px minmax(0, 1fr);
  gap: 15px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.system-row:last-of-type { border-bottom: 1px solid var(--line); }
.system-row h3 { margin: 2px 0 0; color: var(--muted); font: 10px/1.8 var(--sans); font-weight: 400; }
.system-row p { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
code {
  color: #dbe8f8;
  font: 11px/1.6 var(--mono);
}
.system-row code {
  display: inline-block;
  padding: 2px 5px;
  border: 1px solid #26384e;
  background: #0e1726;
}
.systems-note { margin: 12px 0 0; color: var(--muted); font-size: 11px; }
.work-entry {
  display: grid;
  grid-template-columns: 100px minmax(135px, .8fr) minmax(0, 1fr) 22px;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.work-entry:last-of-type { border-bottom: 1px solid var(--line); }
.work-entry:hover { background: #0e1726; text-decoration: none; }
.work-index, .work-detail { color: var(--muted); font: 10px/1.7 var(--sans); }
.work-name { font-family: var(--display); font-size: 14px; font-weight: 600; }
.work-arrow { color: var(--accent); font: 12px var(--sans); text-align: right; }
.all-work { margin: 18px 0 0; }
.page-heading { padding: 54px 0 32px; border-bottom: 1px solid var(--line); }
.page-heading .eyebrow { margin-bottom: 17px; }
.page-heading > p:last-child { max-width: 630px; margin: 17px 0 0; color: var(--body); font-size: 13px; line-height: 1.9; }
.project-log {
  margin: 24px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0e1522;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .12);
  scroll-margin-top: 20px;
}
.project-title-link { color: var(--ink); }
.project-title-link:hover { color: var(--accent); text-decoration: none; }
.project-log-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.project-id { margin: 0 0 10px; font-size: 9px; }
.project-id span { color: var(--accent); padding: 0 4px; }
.project-log-header h2 { margin: 0; font: 650 clamp(20px, 3vw, 27px)/1.3 var(--display); letter-spacing: -.045em; }
.project-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 24px 0 27px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.project-meta > div > span { font-size: 9px; }
.project-meta p { margin: 4px 0 0; color: var(--body); font: 11px/1.8 var(--sans); }
.technical-entry {
  display: grid;
  grid-template-columns: 175px minmax(0, 1fr);
  gap: 26px;
  padding: 15px 0;
}
.technical-entry h3 { margin: 0; color: var(--ink); font: 600 13px/1.8 var(--display); }
.technical-entry h3 span { display: inline-block; margin-right: 7px; color: var(--accent); }
.technical-entry p, .technical-entry ul { margin: 0; color: var(--body); font-size: 12px; line-height: 1.95; }
.technical-entry ul { padding-left: 17px; }
.technical-entry li { margin: 0 0 8px; padding-left: 4px; }
.technical-entry li:last-child { margin-bottom: 0; }
.technical-entry strong { color: var(--ink); font-weight: 600; }

.snippet-window {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
  margin: 18px 0 2px;
  overflow-x: auto;
  border: 1px solid #245b38;
  border-radius: 8px;
  background: #000;
  box-shadow: none;
}
.snippet-explanation {
  margin: 0;
  padding: 8px 16px 0;
  color: #c0cad9;
  background: #000;
  font: 12px/1.8 var(--sans);
}
.snippet-heading {
  padding: 10px 16px 0;
  background: #000;
  color: #58d68d;
  font: 10px/1.6 var(--sans);
  letter-spacing: .045em;
}
.code-sample {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 12px 16px 17px;
  overflow-x: auto;
  color: #58d68d;
  background: #000;
  font: 12px/1.9 var(--mono);
  tab-size: 4;
  scrollbar-color: #245b38 #000;
}
.code-sample code {
  display: block;
  min-width: max-content;
  color: #58d68d;
  font: inherit;
  white-space: pre;
}
.code-sample code::selection { background: #17472b; }
.technical-entry > p + p { margin-top: 10px; }

.project-links { display: flex; flex-wrap: wrap; gap: 12px 25px; margin: 22px 0 0; padding-top: 16px; border-top: 1px dashed var(--line); font: 11px/1.8 var(--sans); }
.project-links a span { color: var(--accent); }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0 24px;
  color: var(--muted);
  font: 9px/1.8 var(--sans);
  letter-spacing: .025em;
}
.footer-separator { color: var(--accent); padding: 0 5px; }
@media (max-width: 760px) {
  .site-shell { width: min(100% - 34px, 980px); }
  .site-header { position: relative; min-height: 70px; }
  .menu-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    z-index: 5;
    top: 57px;
    left: 0;
    right: auto;
    transform: none;
    min-width: 190px;
    padding: 8px 13px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 11px 0; font-size: 13px; }
  .github-orb { width: 40px; height: 40px; right: 0; }
  .intro { min-height: calc(100svh - 67px); padding: 50px 0 60px; }
  .intro h1, .page-heading h1 { font-size: clamp(34px, 9vw, 48px); overflow-wrap: anywhere; }
  .intro-grid { grid-template-columns: 1fr; gap: 25px; margin-top: 21px; }
  .runtime { max-width: 440px; }
  .ledger-section { grid-template-columns: 1fr; gap: 15px; padding: 24px 0 29px; }
  .work-entry { grid-template-columns: 80px minmax(0, 1fr) 20px; gap: 9px; }
  .work-detail { grid-column: 2; grid-row: 2; }
  .work-arrow { grid-column: 3; grid-row: 1 / span 2; }
  .page-heading { padding: 42px 0 25px; }
  .project-log { margin: 18px 0; padding: 20px 16px; border-radius: 12px; }
  .project-meta { grid-template-columns: 1fr; gap: 10px; }
  .technical-entry { grid-template-columns: 1fr; gap: 7px; }
}
@media (max-width: 420px) {
  .project-log-header { flex-direction: column; gap: 10px; }
  .system-row { grid-template-columns: 1fr; gap: 6px; }
  .site-footer { flex-direction: column; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Layout refinements: readable type, steadier spacing and small-screen support */
:root {
  --content-measure: 70ch;
}
body {
  font-size: 16px;
  line-height: 1.7;
}
.site-shell {
  width: min(100% - 56px, 1000px);
}
.site-header {
  min-height: 82px;
}
.site-nav {
  gap: clamp(20px, 3vw, 34px);
}
.intro {
  min-height: calc(100svh - 82px);
  padding: clamp(52px, 8vh, 88px) 0;
}
.intro-text {
  max-width: 34em;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.7;
}
.page-heading {
  padding: clamp(40px, 7vw, 64px) 0 30px;
}
.page-heading > p:last-child {
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
}
.ledger-section {
  grid-template-columns: minmax(130px, 175px) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  padding: 32px 0 38px;
}
.about-copy p {
  font-size: 14px;
  line-height: 1.85;
}
.system-row {
  grid-template-columns: minmax(105px, 125px) minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
}
.system-row h3 {
  font-size: 11px;
}
.system-row p {
  line-height: 1.8;
}
.system-row code {
  padding: 3px 7px;
  font-size: 11px;
}
.project-log {
  margin: 24px 0;
  padding: clamp(22px, 3.5vw, 34px);
  border-radius: 10px;
}
.project-meta {
  gap: 16px;
  margin: 22px 0 24px;
}
.project-meta p {
  font-size: 12px;
}
.technical-entry {
  grid-template-columns: minmax(135px, 175px) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  padding: 17px 0;
}
.technical-entry h3 {
  font-size: 14px;
}
.technical-entry p,
.technical-entry ul {
  font-size: 13px;
  line-height: 1.85;
}
.snippet-explanation {
  font-size: 13px;
  line-height: 1.75;
}
.code-sample {
  font-size: 12px;
  line-height: 1.8;
}
.project-links {
  font-size: 12px;
  gap: 12px 22px;
}
.site-footer {
  padding-top: 20px;
  font-size: 10px;
}

/* Tablet */
@media (max-width: 900px) {
  .site-shell {
    width: min(100% - 44px, 1000px);
  }
  .site-nav {
    gap: 22px;
  }
  .project-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
  .technical-entry {
    grid-template-columns: 145px minmax(0, 1fr);
    gap: 20px;
  }
}

/* Mobile */
@media (max-width: 760px) {
  html {
    scroll-padding-top: 20px;
  }
  .site-shell {
    width: calc(100% - 36px);
  }
  .site-header {
    min-height: 68px;
    gap: 12px;
  }
  .menu-toggle {
    min-height: 40px;
    padding: 8px 12px;
    font-size: 12px;
  }
  .site-nav {
    top: calc(100% - 1px);
    left: 0;
    right: 0;
    min-width: 0;
    padding: 7px 14px;
    gap: 0;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 12px 24px rgb(0 0 0 / 22%);
  }
  .site-nav a {
    min-height: 42px;
    display: flex;
    align-items: center;
    font-size: 14px;
    border-bottom: 1px solid var(--line);
  }
  .site-nav a:last-child {
    border-bottom: 0;
  }
  .github-orb {
    width: 40px;
    height: 40px;
  }
  .intro {
    min-height: calc(100svh - 68px);
    padding: 48px 0 58px;
    text-align: left;
    align-items: flex-start;
  }
  .eyebrow {
    margin-bottom: 18px;
    font-size: 10px;
  }
  .intro h1,
  .page-heading h1 {
    font-size: clamp(38px, 10vw, 54px);
    line-height: 1.06;
    letter-spacing: -.06em;
    overflow-wrap: normal;
  }
  .intro-grid {
    margin-top: 20px;
  }
  .intro-text {
    max-width: 34ch;
    margin: 0;
    font-size: clamp(18px, 4.7vw, 21px);
    line-height: 1.65;
  }
  .page-heading {
    padding: 38px 0 24px;
  }
  .page-heading .eyebrow {
    margin-bottom: 14px;
  }
  .page-heading > p:last-child {
    margin-top: 13px;
    font-size: 14px;
    line-height: 1.75;
  }
  .ledger-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 23px 0 27px;
  }
  .section-label h2 {
    font-size: 13px;
  }
  .about-copy p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 13px;
  }
  .system-row {
    grid-template-columns: minmax(88px, 112px) minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
  }
  .system-row p {
    font-size: 13px;
  }
  .work-entry {
    grid-template-columns: 70px minmax(0, 1fr) 18px;
    gap: 8px;
    padding: 14px 0;
  }
  .work-index,
  .work-detail {
    font-size: 10px;
  }
  .work-name {
    font-size: 15px;
  }
  .project-log {
    margin: 17px 0;
    padding: 20px 16px;
    border-radius: 6px;
  }
  .project-log-header h2 {
    font-size: clamp(22px, 6vw, 27px);
  }
  .project-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 11px;
    margin: 19px 0 18px;
    padding: 13px 0;
  }
  .project-meta p {
    font-size: 12px;
  }
  .technical-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
    padding: 13px 0;
  }
  .technical-entry h3 {
    font-size: 14px;
  }
  .technical-entry p,
  .technical-entry ul {
    font-size: 13px;
    line-height: 1.8;
  }
  .snippet-window {
    margin-top: 14px;
    border-radius: 4px;
  }
  .snippet-heading {
    padding: 10px 12px 0;
    font-size: 9px;
  }
  .snippet-explanation {
    padding: 8px 12px 0;
    font-size: 12px;
  }
  .code-sample {
    padding: 11px 12px 14px;
    font-size: 11px;
    line-height: 1.75;
  }
  .project-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-top: 17px;
    padding-top: 14px;
    font-size: 12px;
  }
  .site-footer {
    flex-direction: column;
    gap: 5px;
    padding: 17px 0 22px;
    font-size: 9px;
  }
}

/* Narrow phones */
@media (max-width: 380px) {
  .site-shell {
    width: calc(100% - 28px);
  }
  .intro {
    padding-top: 38px;
  }
  .intro h1,
  .page-heading h1 {
    font-size: clamp(35px, 10vw, 42px);
  }
  .system-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }
  .project-log {
    padding: 17px 12px;
  }
  .project-id {
    font-size: 8px;
    overflow-wrap: anywhere;
  }
  .code-sample {
    font-size: 10px;
  }
}

/* Respect users who prefer less motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}