:root {
  --sky: #d8d0e6;
  --sky-deep: #b9aed1;
  --paper: #f7f5fa;
  --ink: #1b1720;
  --ink-soft: #50485a;
  --line: #c8bdd7;
  --blue: #6d4cc3;
  --panel: #17141c;
  --panel-raised: #201b26;
  --panel-line: #383041;
  --panel-text: #f0ecf5;
  --panel-muted: #b8afc1;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --display: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

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

.skip-link {
  position: fixed;
  z-index: 10;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  transform: translateY(-180%);
}

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

.site-header {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  padding: 24px 48px;
  margin: 0 auto;
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
}

.brand img { width: 28px; height: 28px; }

.site-header nav { display: flex; gap: 30px; margin-left: auto; margin-right: 38px; }

.site-header nav a,
.github-link {
  color: #4e4658;
  font-size: 14px;
  font-weight: 500;
}

.site-header nav a:hover,
.github-link:hover,
.text-action:hover { color: var(--blue); }

.header-actions { display: flex; align-items: center; gap: 20px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 45px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 700;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button-ink { background: var(--ink); color: white; }
.button-ink:hover { background: var(--blue); }
.button-light { background: white; color: var(--ink); }
.button-light:hover { background: #e2dced; }

.hero {
  overflow: hidden;
  padding: 174px 48px 0;
  background: var(--sky);
}

.hero-copy {
  width: min(790px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: #58339b;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin: 0 auto;
  font-family: var(--display);
  font-size: clamp(58px, 7vw, 106px);
  font-weight: 400;
  line-height: .94;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 665px;
  margin: 29px auto 0;
  color: #4e4658;
  font-size: 19px;
  line-height: 1.5;
}

.hero-actions,
.closing-actions { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 30px; }

.runtime-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 44px auto 0;
  color: #554c61;
  font-size: 13px;
}

.runtime-rail > span {
  color: #5d5268;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.runtime-rail ul {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}

.runtime-rail li {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  white-space: nowrap;
}

.runtime-rail li + li::before {
  width: 3px;
  height: 3px;
  margin: 0 12px;
  background: #88799b;
  border-radius: 50%;
  content: "";
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  transition: color 160ms ease;
}

.text-action span { font-size: 19px; line-height: 1; }

.hero-product {
  width: min(1240px, 100%);
  margin: 76px auto -1px;
  transform: perspective(1400px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translate3d(var(--shift-x, 0px), var(--shift-y, 0px), 0);
  transform-origin: center center;
  will-change: transform;
}

.hero-product img,
.proof figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(27, 23, 32, .66);
  box-shadow: 0 24px 62px rgba(74, 55, 101, .24);
}

.hero-product figcaption {
  padding: 14px 0 18px;
  color: #554d5e;
  font-family: var(--mono);
  font-size: 11px;
}

.story-intro {
  max-width: 860px;
  padding: 156px 32px 72px;
  margin: 0 auto;
  text-align: center;
}

.story-intro h2,
.story-copy h2 {
  margin-bottom: 22px;
  font-family: var(--display);
  font-size: clamp(42px, 4.8vw, 66px);
  font-weight: 400;
  line-height: 1.02;
}

.story-intro > p:last-child,
.story-copy > p:not(.eyebrow) {
  max-width: 580px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.story-intro > p:last-child { margin-inline: auto; }

.story-chapter {
  display: grid;
  grid-template-columns: minmax(270px, .72fr) minmax(520px, 1.28fr);
  align-items: center;
  gap: 92px;
  max-width: 1344px;
  padding: 112px 48px 150px;
  margin: 0 auto;
}

.story-chapter-reverse { grid-template-columns: minmax(520px, 1.28fr) minmax(270px, .72fr); }

.story-runtime {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 56px;
}

.story-runtime .story-copy { width: 100%; max-width: none; }
.story-runtime .story-copy > p:not(.eyebrow) { max-width: 1040px; }

.story-runtime .story-signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  border-top: 0;
  border-bottom: 1px solid var(--line);
}

.story-runtime .story-signals li {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  min-height: 64px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  line-height: 1.5;
}

.story-runtime .story-signals li::before {
  position: static;
  margin-top: 7px;
}

.story-copy > p:not(.eyebrow) { margin-bottom: 31px; }

.story-signals {
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.story-signals li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 14px;
}

.story-signals li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  content: "";
}

.story-chapter figure { margin: 0; }

.story-chapter figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(27, 23, 32, .66);
  box-shadow: 0 26px 58px rgba(74, 55, 101, .2);
}

.runtime-showcase-scene { width: 100%; }

.runtime-showcase {
  width: 100%;
  --routing-progress: 0;
}

.runtime-showcase-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}

.runtime-showcase-bar > p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.runtime-showcase-sequence {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--ink-muted);
  font: 700 12px/1.2 var(--sans);
}

.runtime-showcase-sequence span {
  position: relative;
  transition: color 260ms ease;
}

.runtime-showcase-sequence span + span::before {
  position: absolute;
  top: 50%;
  right: calc(100% + 10px);
  width: 9px;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.runtime-showcase-sequence b {
  margin-right: 5px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.runtime-showcase-sequence span.is-active {
  color: var(--ink);
}

.runtime-showcase-stage {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1426 / 801;
  border: 1px solid rgba(27, 23, 32, .66);
  border-radius: 8px;
  background: #111015;
  box-shadow: 0 26px 58px rgba(74, 55, 101, .2);
}

.runtime-showcase-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

.runtime-showcase-panel[data-showcase-panel="workers"] { opacity: calc(1 - var(--routing-progress)); }
.runtime-showcase-panel[data-showcase-panel="workflow"] { opacity: var(--routing-progress); }

.context-showcase .runtime-showcase-panel[data-showcase-panel="question"] { opacity: calc(1 - var(--context-progress)); }
.context-showcase .runtime-showcase-panel[data-showcase-panel="learnings"] { opacity: var(--context-progress); }

.runtime-showcase-panel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.runtime-showcase-notes {
  display: grid;
  margin-top: 18px;
  border-bottom: 1px solid var(--line);
}

.runtime-showcase-notes p {
  grid-area: 1 / 1;
  max-width: 920px;
  margin: 0;
  padding-bottom: 16px;
  color: var(--ink-soft);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.runtime-showcase-notes p.is-active { opacity: 1; }
.runtime-showcase-notes strong { color: var(--ink); }

@media (min-width: 769px) and (min-height: 720px) {
  .runtime-showcase-scene,
  .context-showcase-scene { height: calc(100vh + 360px); }

  .runtime-showcase,
  .context-showcase { position: sticky; top: clamp(20px, 4vh, 40px); }
}

.story-band { width: 100%; }

.story-context { background: #ece8f2; }

.story-context .story-chapter {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 56px;
}

.story-context .story-copy {
  order: 1;
  width: 100%;
  max-width: none;
}

.story-context .story-copy h2 { max-width: 980px; }
.story-context .story-copy > p:not(.eyebrow) { max-width: 940px; }

.story-context .story-signals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  border-top: 0;
  border-bottom: 1px solid var(--line);
}

.story-context .story-signals li {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  min-height: 64px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 0;
  line-height: 1.5;
}

.story-context .story-signals li::before {
  position: static;
  margin-top: 7px;
}

.context-showcase-scene {
  order: 2;
  width: 100%;
}

.context-showcase {
  width: 100%;
  --context-progress: 0;
}

.story-pulse-band {
  background: var(--panel);
  color: var(--panel-text);
}

.story-pulse-band .eyebrow { color: #b9a2f4; }
.story-pulse-band .story-copy > p:not(.eyebrow) { color: var(--panel-muted); }
.story-pulse-band .story-signals { border-color: var(--panel-line); }
.story-pulse-band .story-signals li { border-color: var(--panel-line); color: var(--panel-muted); }
.story-pulse-band .story-signals li::before { background: #b9a2f4; }
.story-pulse-band .story-chapter figure img { border-color: var(--panel-line); box-shadow: 0 26px 58px rgba(0, 0, 0, .24); }

@media (prefers-reduced-motion: no-preference) {
  .motion-ready [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 600ms ease, transform 700ms cubic-bezier(.2, .8, .2, 1);
  }

  .motion-ready [data-reveal="visual"] {
    transform: translateY(34px) scale(.985);
    transition-delay: 110ms;
  }

  .motion-ready [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) and (hover: hover) and (pointer: fine) {
  .hero-product { transition: box-shadow 180ms ease; }
  .hero:has(.hero-product.is-pointer-active) .hero-product img { box-shadow: 0 34px 76px rgba(74, 55, 101, .32); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-product,
  [data-reveal] { transform: none; }

  .runtime-showcase-panel,
  .runtime-showcase-notes p { transition: none; }
}

.belief {
  max-width: 860px;
  padding: 160px 32px;
  margin: 0 auto;
  text-align: center;
}

.belief h2,
.section-heading h2,
.functions h2,
.connectors h2,
.proof h2,
.closing h2 {
  margin-bottom: 22px;
  font-family: var(--display);
  font-size: clamp(38px, 4.6vw, 64px);
  font-weight: 400;
  line-height: 1.02;
}

.belief > p:last-child,
.functions-copy > p:last-child,
.connectors-copy > p:not(.eyebrow),
.proof-copy > p:not(.eyebrow),
.closing > p:not(.eyebrow) {
  max-width: 630px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 18px;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1344px;
  padding: 0 48px 136px;
  margin: 0 auto;
}

.pillars article {
  min-height: 265px;
  padding: 28px 34px 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pillars article + article { border-left: 1px solid var(--line); }

.pillars span,
.operating-loop span {
  display: block;
  margin-bottom: 46px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
}

.pillars h3 { margin-bottom: 12px; font-size: 21px; line-height: 1.18; }
.pillars p { max-width: 315px; margin-bottom: 0; color: var(--ink-soft); font-size: 15px; }

.loop-section {
  padding: 140px 48px 132px;
  background: var(--panel);
  color: var(--panel-text);
}

.section-heading {
  max-width: 840px;
  margin: 0 auto 72px;
  text-align: center;
}

.section-heading .eyebrow { color: #b9a2f4; }

.operating-loop {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1344px;
  padding: 0;
  margin: 0 auto;
  list-style: none;
  border-top: 1px solid var(--panel-line);
  border-bottom: 1px solid var(--panel-line);
}

.operating-loop li { min-height: 260px; padding: 28px 28px 26px; }
.operating-loop li + li { border-left: 1px solid var(--panel-line); }
.operating-loop span { color: #b9a2f4; }
.operating-loop strong { display: block; margin-bottom: 14px; font-size: 19px; line-height: 1.18; }
.operating-loop p { margin: 0; color: var(--panel-muted); font-size: 15px; }

.functions {
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(480px, 1.25fr);
  gap: 120px;
  max-width: 1344px;
  padding: 156px 48px;
  margin: 0 auto;
}

.functions h2 { margin-bottom: 22px; }
.functions-copy > p:last-child { margin: 0; }
.functions ul { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.functions li { display: flex; justify-content: space-between; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.functions li span { font-size: 20px; font-weight: 700; }
.functions li em { max-width: 330px; color: var(--ink-soft); font-size: 14px; font-style: normal; text-align: right; }

.connectors { background: #ece8f2; }

.connectors-inner {
  max-width: 1344px;
  padding: 132px 48px 150px;
  margin: 0 auto;
}

.connectors-copy { max-width: 1040px; }
.connectors-copy > p:not(.eyebrow) { max-width: 800px; margin: 0; }

.connector-channels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 0;
  margin: 48px 0 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.connector-channels li {
  min-height: 86px;
  padding: 17px 0 18px;
  border-top: 1px solid var(--line);
}

.connector-channels strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.connector-channels span { color: var(--ink-soft); font-size: 14px; }

.connectors figure { margin: 58px 0 0; }

.connectors figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(27, 23, 32, .66);
  border-radius: 8px;
  box-shadow: 0 26px 58px rgba(74, 55, 101, .2);
}

.proof {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(520px, 1.3fr);
  align-items: center;
  gap: 86px;
  padding: 126px max(48px, calc((100vw - 1344px) / 2));
  background: #ece8f2;
}

.proof-copy > p:not(.eyebrow) { margin: 0 0 28px; }
.proof figure { margin: 0; }
.proof figure img { box-shadow: 0 24px 54px rgba(74, 55, 101, .19); }

.closing {
  padding: 164px 32px;
  background: var(--ink);
  color: var(--panel-text);
  text-align: center;
}

.closing .eyebrow { color: #b9a2f4; }
.closing > p:not(.eyebrow) { color: var(--panel-muted); }
.text-action-light { color: var(--panel-text); }
.text-action-light:hover { color: #b9a2f4; }

.site-footer {
  background: #090c0f;
  color: var(--panel-muted);
  font-size: 13px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 96px;
  max-width: 1344px;
  padding: 72px 48px 64px;
  margin: 0 auto;
}

.footer-brand { max-width: 470px; }
.site-footer .brand { color: var(--panel-text); font-size: 17px; }
.site-footer .brand img { width: 27px; height: 27px; }
.footer-brand > p { max-width: 440px; margin: 22px 0 0; font-size: 14px; line-height: 1.65; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 48px;
}

.footer-nav > div { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; }

.footer-nav p {
  margin: 0 0 7px;
  color: #8f829f;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.footer-nav a { color: var(--panel-text); font-size: 14px; font-weight: 600; }
.footer-nav a:hover { color: #b9a2f4; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  max-width: 1344px;
  padding: 22px 48px 26px;
  margin: 0 auto;
  border-top: 1px solid var(--panel-line);
  color: #a79eaf;
  font-size: 12px;
}

.footer-bottom p { margin: 0; }

@media (max-width: 900px) {
  .site-header { padding: 20px 24px; }
  .site-header nav { gap: 18px; margin-right: 22px; }
  .github-link { display: none; }
  .hero { padding: 148px 24px 0; }
  .pillars, .operating-loop { grid-template-columns: 1fr; }
  .pillars { padding: 0 24px 94px; }
  .pillars article { min-height: auto; padding: 25px 0; }
  .pillars article + article { border-left: 0; border-top: 0; }
  .pillars span, .operating-loop span { margin-bottom: 30px; }
  .loop-section { padding: 96px 24px; }
  .operating-loop li { min-height: auto; padding: 26px 0; }
  .operating-loop li + li { border-left: 0; border-top: 1px solid var(--panel-line); }
  .functions, .proof { grid-template-columns: 1fr; gap: 56px; }
  .functions { padding: 104px 24px; }
  .connectors-inner { padding: 104px 24px 112px; }
  .proof { padding: 96px 24px; }
  .story-chapter,
  .story-chapter-reverse { grid-template-columns: 1fr; gap: 50px; padding: 88px 24px; }
  .story-chapter-reverse .story-copy { order: 1; }
  .story-chapter-reverse figure { order: 2; }
}

@media (max-width: 640px) {
  .site-header { padding: 16px; }
  .brand { font-size: 16px; }
  .brand img { width: 26px; height: 26px; }
  .site-header nav { display: none; }
  .header-actions { margin-left: auto; }
  .button { min-height: 42px; padding: 10px 14px; }
  .hero { padding: 128px 16px 0; }
  h1 { font-size: clamp(52px, 16vw, 73px); }
  .hero-lead { font-size: 17px; }
  .hero-actions, .closing-actions { flex-direction: column; gap: 18px; }
  .runtime-rail { flex-direction: column; gap: 10px; margin-top: 38px; }
  .runtime-rail ul { justify-content: center; flex-wrap: wrap; row-gap: 9px; }
  .runtime-rail li + li::before { margin: 0 9px; }
  .hero-product { margin-top: 58px; }
  .hero-product figcaption { padding-bottom: 10px; }
  .belief { padding: 104px 24px; }
  .story-intro { padding: 104px 24px 36px; }
  .story-intro h2, .story-copy h2 { font-size: 39px; }
  .story-intro > p:last-child, .story-copy > p:not(.eyebrow) { font-size: 16px; }
  .story-chapter, .story-chapter-reverse { padding: 72px 16px; }
  .story-runtime .story-signals { grid-template-columns: 1fr; }
  .story-runtime .story-signals { gap: 0; }
  .story-context .story-signals { grid-template-columns: 1fr; gap: 0; }
  .runtime-showcase-bar { align-items: flex-start; flex-direction: column; }
  .runtime-showcase-sequence { width: 100%; justify-content: space-between; gap: 18px; }
  .connector-channels { grid-template-columns: 1fr; gap: 0; }
  .connector-channels li { min-height: auto; }
  .connectors figure { margin-top: 42px; }
  .belief h2, .section-heading h2, .functions h2, .connectors h2, .proof h2, .closing h2 { font-size: 39px; }
  .belief > p:last-child, .functions-copy > p:last-child, .connectors-copy > p:not(.eyebrow), .proof-copy > p:not(.eyebrow), .closing > p:not(.eyebrow) { font-size: 16px; }
  .functions li { flex-direction: column; gap: 7px; }
  .functions li em { max-width: none; text-align: left; }
  .closing { padding: 110px 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 48px; padding: 56px 16px 44px; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; }
  .footer-bottom { flex-direction: column; gap: 7px; padding: 20px 16px 24px; }
}