:root {
  color-scheme: dark;
  --ink: #f6f4ff;
  --muted: #b7b1cc;
  --quiet: #89839d;
  --canvas: #0b0912;
  --panel: #151220;
  --panel-raised: #1c1829;
  --line: #302a40;
  --violet: #9b87ff;
  --violet-deep: #6f5bd3;
  --mint: #69e6b1;
  --amber: #ffc76b;
  --rose: #ff8da1;
  --code: #0f0d17;
  --radius: 1.35rem;
  --content: 72rem;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgb(111 91 211 / 20%), transparent 27rem),
    radial-gradient(circle at 94% 23%, rgb(105 230 177 / 8%), transparent 25rem),
    var(--canvas);
  line-height: 1.65;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 0.2rem solid var(--amber);
  outline-offset: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--canvas);
  background: var(--ink);
  border-radius: 0.6rem;
  transform: translateY(-180%);
}

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

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: rgb(11 9 18 / 82%);
  backdrop-filter: blur(18px);
}

.header-inner,
.page-shell,
.footer-inner {
  width: min(calc(100% - 2rem), var(--content));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 4.25rem;
  gap: 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  margin-right: auto;
  font-weight: 760;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, var(--violet), var(--violet-deep));
  border-radius: 0.65rem;
  box-shadow: 0 0.5rem 1.8rem rgb(111 91 211 / 35%);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.84rem;
}

.main-nav,
.language-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a,
.language-nav a {
  padding: 0.42rem 0.68rem;
  color: var(--muted);
  border-radius: 0.55rem;
  font-size: 0.88rem;
  text-decoration: none;
}

.main-nav a:hover,
.language-nav a:hover {
  color: var(--ink);
  background: rgb(255 255 255 / 6%);
}

.github-link {
  display: inline-flex;
  min-height: 2.3rem;
  align-items: center;
  gap: 0.48rem;
  padding: 0.38rem 0.68rem;
  color: var(--muted);
  background: rgb(255 255 255 / 3%);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.github-link img {
  width: 1.18rem;
  height: 1.18rem;
  opacity: 0.8;
  filter: invert(1);
}

.github-link:hover {
  color: var(--ink);
  background: rgb(255 255 255 / 8%);
  border-color: rgb(155 135 255 / 55%);
}

.github-link:hover img {
  opacity: 1;
}

.language-nav {
  padding-left: 0.65rem;
  border-left: 1px solid var(--line);
}

.language-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--panel-raised);
  box-shadow: inset 0 0 0 1px var(--line);
}

.hero {
  display: grid;
  min-height: 39rem;
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(5rem, 10vw, 8rem) 5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.8rem;
  height: 1px;
  content: "";
  background: currentColor;
}

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

h1,
h2,
h3 {
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.4rem;
  font-size: clamp(3.2rem, 8vw, 6.4rem);
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
}

.hero-actions,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  color: #0d091a;
  background: var(--violet);
  border-color: var(--violet);
}

.button-secondary {
  background: rgb(255 255 255 / 3%);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-visual {
  position: relative;
  padding: 1.15rem;
  background: linear-gradient(160deg, rgb(255 255 255 / 8%), rgb(255 255 255 / 2%));
  border: 1px solid var(--line);
  border-radius: 1.8rem;
  box-shadow: 0 2.5rem 6rem rgb(0 0 0 / 32%);
}

.hero-visual::before {
  position: absolute;
  z-index: -1;
  inset: 12% -10% -10% 20%;
  content: "";
  background: var(--violet-deep);
  opacity: 0.22;
  border-radius: inherit;
  filter: blur(3.5rem);
}

.visual-window {
  overflow: hidden;
  background: var(--code);
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 1rem;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.window-bar i {
  width: 0.56rem;
  height: 0.56rem;
  background: var(--line);
  border-radius: 50%;
}

.window-bar span {
  margin-left: auto;
  color: var(--quiet);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.67rem;
}

.scratch-stack {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.2rem, 4vw, 2rem);
}

.scratch-block {
  width: fit-content;
  max-width: 100%;
  padding: 0.82rem 1rem;
  color: white;
  background: linear-gradient(180deg, #806ae1, var(--violet-deep));
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 0.8rem;
  box-shadow: 0 0.32rem 0 #4d3d9a;
  font-weight: 670;
}

.scratch-block code {
  display: inline-block;
  padding: 0.22rem 0.42rem;
  color: var(--ink);
  background: rgb(11 9 18 / 68%);
  border-radius: 0.35rem;
}

.result-line {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-left: 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.result-pill {
  padding: 0.25rem 0.58rem;
  color: #07180f;
  background: var(--mint);
  border-radius: 100vmax;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
}

.section {
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
  scroll-margin-top: 4rem;
}

.section + .section {
  border-top: 1px solid rgb(255 255 255 / 7%);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(19rem, 1.1fr);
  gap: clamp(1.5rem, 6vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section-heading p {
  max-width: 42rem;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.step-grid,
.card-grid,
.recipe-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step,
.card,
.recipe {
  position: relative;
  padding: 1.4rem;
  background: linear-gradient(145deg, var(--panel-raised), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-number {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 1.3rem;
  place-items: center;
  color: #0b0912;
  background: var(--mint);
  border-radius: 0.65rem;
  font-weight: 850;
}

.step p,
.card p,
.recipe p {
  margin-bottom: 0;
  color: var(--muted);
}

.callout {
  display: grid;
  margin-top: 1.25rem;
  padding: 1.15rem 1.3rem;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  color: var(--muted);
  background: rgb(255 199 107 / 7%);
  border: 1px solid rgb(255 199 107 / 24%);
  border-radius: 0.9rem;
}

.callout-mark {
  color: var(--amber);
  font-weight: 900;
}

.callout p:last-child {
  margin-bottom: 0;
}

.diagram {
  overflow: hidden;
  margin-block: 2rem;
  padding: clamp(1.2rem, 4vw, 2.25rem);
  background:
    linear-gradient(rgb(155 135 255 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(155 135 255 / 4%) 1px, transparent 1px),
    var(--code);
  background-size: 2rem 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.diagram-title {
  margin-bottom: 1.5rem;
  color: var(--quiet);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.flow {
  display: grid;
  align-items: stretch;
  grid-template-columns: 1fr auto 1fr auto 0.8fr;
  gap: 0.8rem;
}

.flow-node {
  display: flex;
  min-height: 8rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.flow-node strong {
  font-size: 1.08rem;
}

.flow-node small {
  margin-top: 0.35rem;
  color: var(--muted);
}

.flow-node code,
.code-card code,
.recipe code,
td code {
  color: var(--mint);
}

.flow-node-accent {
  border-color: rgb(155 135 255 / 60%);
  box-shadow: inset 0 0 2.2rem rgb(111 91 211 / 11%);
}

.flow-node-result {
  align-items: center;
  color: #06160f;
  background: var(--mint);
  border-color: var(--mint);
  text-align: center;
}

.flow-node-result small {
  color: #163f2d;
}

.flow-arrow {
  display: flex;
  align-items: center;
  color: var(--violet);
  font-size: 1.7rem;
}

.state-map {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 1rem;
  align-items: stretch;
}

.state {
  display: grid;
  min-height: 10rem;
  place-content: center;
  padding: 1rem;
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 50%;
  text-align: center;
  aspect-ratio: 1.45;
}

.state-false {
  border-color: var(--rose);
}

.state-true {
  border-color: var(--mint);
}

.transition-stack {
  display: grid;
  align-content: center;
  gap: 0.8rem;
}

.transition {
  padding: 0.75rem;
  color: var(--muted);
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  text-align: center;
}

.transition strong {
  display: block;
  color: var(--ink);
}

.no-event {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.25rem;
  gap: 0.65rem;
  color: var(--muted);
  text-align: center;
}

.no-event b {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  color: var(--canvas);
  background: var(--amber);
  border-radius: 50%;
}

.code-card {
  overflow-x: auto;
  padding: 1.2rem;
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
}

.code-card pre {
  margin: 0;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.75;
  white-space: pre-wrap;
}

.code-label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--quiet);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

th,
td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--quiet);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

td:first-child {
  color: var(--ink);
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

.syntax-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.syntax-list {
  padding: 1.35rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.syntax-list ul,
.plain-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.syntax-list li + li,
.plain-list li + li {
  margin-top: 0.55rem;
}

.supported h3 {
  color: var(--mint);
}

.rejected h3 {
  color: var(--rose);
}

.tag {
  display: inline-flex;
  padding: 0.26rem 0.56rem;
  color: var(--muted);
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 100vmax;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  background: rgb(0 0 0 / 12%);
}

.footer-inner {
  display: flex;
  min-height: 8rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: var(--quiet);
  font-size: 0.9rem;
}

.footer-inner p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 58rem) {
  .main-nav {
    display: none;
  }

  .hero,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }

  .step-grid,
  .card-grid,
  .recipe-grid {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }
}

@media (max-width: 42rem) {
  .header-inner {
    min-height: 4.25rem;
    gap: 0.4rem;
  }

  .brand-name {
    display: none;
  }

  .language-nav {
    margin-left: 0;
    padding-left: 0.4rem;
  }

  .github-link {
    width: 2.35rem;
    padding: 0.4rem;
    justify-content: center;
  }

  .github-link-label {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 3rem;
  }

  .hero-visual::before {
    right: 0;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.4rem);
  }

  .state-map,
  .syntax-layout,
  .two-column {
    grid-template-columns: 1fr;
  }

  .state {
    width: min(100%, 14rem);
    margin-inline: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}