:root {
  --paper: #f7f4eb;
  --paper-deep: #ece7da;
  --ink: #111111;
  --muted: #68645c;
  --line: #151515;
  --teal: #14b8a6;
  --red: #ef4444;
  --blue: #2563eb;
  --yellow: #f4c430;
  --panel: #fffdf7;
  --shadow: 8px 8px 0 #111111;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 244, 235, 0.92);
  backdrop-filter: blur(14px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.nav-links a {
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.section-grid {
  display: grid;
  grid-template-columns:
    minmax(24px, 1fr)
    minmax(0, 560px)
    minmax(0, 760px)
    minmax(24px, 1fr);
  column-gap: 32px;
}

.hero {
  min-height: calc(100vh - 64px);
  padding: 54px 0 34px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  grid-column: 2 / 4;
  align-self: end;
  width: 100%;
  height: 1px;
  border-bottom: 1px dashed rgba(17, 17, 17, 0.38);
}

.hero-copy {
  grid-column: 2;
  max-width: 560px;
}

.eyebrow,
.section-kicker,
.plate-label,
.metric-label,
.spec-table span,
.site-footer {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-weight: 700;
  line-height: 0.95;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(76px, 11vw, 154px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(42px, 6.5vw, 86px);
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.25;
}

.lede {
  max-width: 520px;
  margin-bottom: 28px;
  color: #2b2925;
  font-size: 23px;
  line-height: 1.45;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
}

.button.secondary {
  background: var(--panel);
}

.release-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: #fff4cc;
}

.release-panel div {
  min-width: 0;
  padding: 12px 14px;
  border-right: 1px solid var(--line);
}

.release-panel div:last-child {
  border-right: 0;
}

.release-panel span,
.release-ledger span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.release-panel strong,
.release-ledger strong {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.25;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.hero-facts div {
  min-width: 0;
  padding: 14px;
  border-right: 1px solid var(--line);
}

.hero-facts div:last-child {
  border-right: 0;
}

.hero-facts dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-weight: 800;
}

.hero-plate {
  grid-column: 3;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.plate-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.hero-plate img {
  width: 100%;
  aspect-ratio: 1479 / 938;
  object-fit: cover;
  object-position: left top;
}

.index-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.index-strip div {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  min-height: 104px;
  padding: 20px;
  border-right: 1px solid var(--line);
}

.index-strip div:last-child {
  border-right: 0;
}

.metric-number {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1;
}

.metric-number.danger {
  color: var(--red);
}

.metric-number.accent {
  color: var(--teal);
}

.metric-label {
  max-width: 80px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.manual-section,
.feature-section,
.download-section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.section-kicker {
  grid-column: 2;
  align-self: start;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.section-heading {
  grid-column: 3;
  max-width: 760px;
}

.section-heading p,
.download-copy p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.diagram-panel {
  grid-column: 2 / 4;
  margin-top: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.diagram-panel img {
  width: 100%;
}

.chapter-grid {
  grid-column: 2 / 4;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.chapter-grid article {
  min-height: 190px;
  padding: 24px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.chapter-number {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 26px;
  border: 1px solid var(--line);
  background: var(--yellow);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-weight: 900;
}

.chapter-grid p,
.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.screens-section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
  background: #f3efe4;
}

.screenshot-board {
  width: min(1320px, calc(100% - 48px));
  margin: 42px auto 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.screenshot-board img {
  width: 100%;
  border-bottom: 1px solid var(--line);
}

.screenshot-board figcaption {
  display: grid;
  grid-template-columns: minmax(96px, 0.28fr) minmax(180px, 0.72fr) minmax(260px, 1.5fr);
  gap: 16px;
  margin: 0;
  padding: 16px;
  color: var(--muted);
  font-size: 14px;
}

.screenshot-board figcaption span {
  color: var(--blue);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-weight: 900;
  text-transform: uppercase;
}

.screenshot-board figcaption strong {
  color: var(--ink);
}

.screenshot-board figcaption em {
  font-style: normal;
}

.feature-grid {
  grid-column: 2 / 4;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 42px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-card {
  min-height: 330px;
  padding: 22px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--panel);
}

.mini-diagram {
  height: 118px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.source-diagram {
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr;
  align-items: center;
  gap: 8px;
  padding: 14px;
}

.source-diagram span,
.cleanup-diagram span,
.query-diagram span,
.query-diagram b {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 8px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.source-diagram i {
  display: block;
  height: 1px;
  border-top: 1px dashed var(--line);
}

.matrix-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 14px;
}

.matrix-diagram span {
  border: 1px solid var(--line);
  background: var(--panel);
}

.matrix-diagram span:nth-child(2),
.matrix-diagram span:nth-child(5),
.matrix-diagram span:nth-child(7) {
  background: #ffe3df;
}

.matrix-diagram span:nth-child(3),
.matrix-diagram span:nth-child(6) {
  background: #dff7f2;
}

.query-diagram {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8px;
  padding: 14px;
}

.query-diagram b {
  grid-row: span 3;
  display: grid;
  place-items: center;
  background: #e7f0ff;
}

.cleanup-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 8px;
  padding: 14px;
}

.cleanup-diagram span:nth-child(1) {
  min-height: 42px;
}

.cleanup-diagram span:nth-child(2) {
  min-height: 72px;
  background: #fff4cc;
}

.cleanup-diagram span:nth-child(3) {
  min-height: 96px;
  background: #dff7f2;
}

.architecture-section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.spec-table {
  grid-column: 2 / 4;
  margin-top: 42px;
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.spec-table div {
  display: grid;
  grid-template-columns: minmax(160px, 0.32fr) minmax(0, 1fr);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.spec-table span,
.spec-table strong {
  padding: 16px;
}

.spec-table span {
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.spec-table strong {
  font-size: 15px;
}

.download-section {
  align-items: center;
  background: var(--panel);
}

.download-copy {
  grid-column: 2 / 3;
}

.download-panel {
  grid-column: 3 / 4;
}

.release-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--paper);
}

.release-ledger div {
  min-width: 0;
  padding: 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.download-actions {
  justify-content: end;
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--ink);
  font-size: 12px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1120px) {
  .section-grid {
    grid-template-columns: 24px 1fr 24px;
  }

  .hero {
    row-gap: 34px;
  }

  .hero-copy,
  .hero-plate,
  .section-kicker,
  .section-heading,
  .diagram-panel,
  .chapter-grid,
  .feature-grid,
  .spec-table,
  .download-copy,
  .download-panel {
    grid-column: 2;
  }

  .hero::after {
    grid-column: 2;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-actions {
    justify-content: start;
    margin-top: 18px;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    padding: 14px 18px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: auto;
    padding-top: 38px;
  }

  h1 {
    font-size: clamp(64px, 21vw, 104px);
  }

  h2 {
    font-size: clamp(38px, 13vw, 62px);
  }

  .lede {
    font-size: 19px;
  }

  .hero-facts,
  .release-panel,
  .index-strip,
  .chapter-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .release-panel div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .release-panel div:last-child {
    border-bottom: 0;
  }

  .hero-facts div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-facts div:last-child {
    border-bottom: 0;
  }

  .index-strip div {
    justify-content: flex-start;
    min-height: 88px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .index-strip div:last-child {
    border-bottom: 0;
  }

  .manual-section,
  .feature-section,
  .screens-section,
  .architecture-section,
  .download-section {
    padding: 62px 0;
  }

  .screenshot-board {
    width: calc(100% - 32px);
    box-shadow: 5px 5px 0 var(--ink);
  }

  .screenshot-board figcaption,
  .spec-table div,
  .release-ledger {
    grid-template-columns: 1fr;
  }

  .spec-table span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .button {
    width: 100%;
  }
}