@font-face {
  font-family: "Gabarito";
  src: url("assets/fonts/gabarito-latin-ext.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Gabarito";
  src: url("assets/fonts/gabarito-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/source-serif-4-latin-ext.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/source-serif-4-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --color-field: oklch(96.5% 0.014 72);
  --color-paper: oklch(98.2% 0.009 72);
  --color-ink: oklch(20.5% 0.008 72);
  --color-muted: oklch(46% 0.014 55);
  --color-faint: oklch(72% 0.018 62);
  --color-rule: oklch(83% 0.018 64);
  --color-copper: oklch(50.5% 0.145 34);
  --color-copper-dark: oklch(39% 0.12 34);
  --color-copper-soft: oklch(91% 0.038 42);
  --color-success: oklch(43% 0.09 150);
  --font-display: "Gabarito", "Arial Narrow", sans-serif;
  --font-reading: "Source Serif 4", Georgia, serif;
  --font-code: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-body: 1rem;
  --text-lead: clamp(1.2rem, 1rem + 0.75vw, 1.65rem);
  --text-heading: clamp(2.75rem, 1.8rem + 4vw, 6.5rem);
  --text-hero: clamp(3.6rem, 1.6rem + 8.7vw, 10.5rem);
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --page-gutter: clamp(1rem, 4vw, 4rem);
  --page-width: 96rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: auto;
  background: var(--color-field);
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--color-ink);
  background: var(--color-field);
  font-family: var(--font-reading);
  font-size: var(--text-body);
  line-height: 1.5;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.26;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-copper);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 1000;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-paper);
  background: var(--color-ink);
  font-family: var(--font-display);
  transform: translateY(-180%);
  transition: transform 180ms var(--ease-out);
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter);
  font-family: var(--font-display);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 2.75rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-md), 3vw, var(--space-xl));
}

.site-header nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-size: var(--text-sm);
  font-weight: 560;
  text-decoration: none;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.45rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease-out);
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.repo-link {
  gap: var(--space-xs);
}

main > section,
footer {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.hero {
  display: grid;
  align-content: end;
  min-height: max(44rem, 100svh);
  padding-top: 8rem;
  padding-bottom: clamp(var(--space-3xl), 10vh, 8rem);
}

.hero-kicker,
.section-index,
.pathway-label,
.particle-caption,
.story-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-kicker {
  width: fit-content;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-ink);
}

.hero h1 {
  max-width: 12ch;
  margin: var(--space-xl) 0 0 -0.045em;
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 520;
  letter-spacing: -0.065em;
  line-height: 0.82;
}

.hero h1 em {
  color: var(--color-copper-dark);
  font-family: var(--font-reading);
  font-weight: 400;
  letter-spacing: -0.075em;
}

.hero-copy {
  max-width: 40ch;
  margin: var(--space-2xl) 0 0;
  font-size: var(--text-lead);
  line-height: 1.25;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 3rem;
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 640;
  text-decoration: none;
  transition: color 140ms var(--ease-out), background-color 140ms var(--ease-out),
    transform 140ms var(--ease-out);
}

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

.button-secondary {
  background: transparent;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary:hover {
  background: var(--color-copper-dark);
  border-color: var(--color-copper-dark);
}

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

.button:active {
  transform: translateY(0);
}

.hero-audience {
  margin: clamp(var(--space-2xl), 8vh, var(--space-4xl)) 0 0;
  color: var(--color-muted);
  font-family: var(--font-display);
  font-size: var(--text-sm);
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) minmax(0, 4fr);
  gap: var(--space-xl);
  padding-top: clamp(var(--space-4xl), 16vw, 15rem);
  padding-bottom: clamp(var(--space-4xl), 16vw, 15rem);
  border-top: 1px solid var(--color-rule);
}

.section-index {
  margin: 0;
  color: var(--color-copper-dark);
}

.manifesto h2,
.section-heading h2,
.install-intro h2,
.proof h2,
.closing h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 520;
  letter-spacing: -0.055em;
}

.manifesto h2 {
  max-width: 28ch;
  font-size: clamp(2.25rem, 1.5rem + 3.4vw, 5rem);
  line-height: 0.98;
}

.method {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  border-top: 1px solid var(--color-rule);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) minmax(0, 2fr) minmax(14rem, 1fr);
  gap: var(--space-xl);
  align-items: end;
}

.section-heading h2,
.install-intro h2,
.closing h2 {
  font-size: var(--text-heading);
  line-height: 0.9;
}

.section-heading > p:last-child,
.install-intro > p:last-child {
  max-width: 34ch;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.story-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(var(--space-xl), 7vw, 7rem);
  margin-top: var(--space-4xl);
}

.particle-stage {
  position: sticky;
  top: 8vh;
  align-self: start;
  min-height: min(78svh, 46rem);
  overflow: hidden;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
}

#particle-field {
  width: 100%;
  height: min(78svh, 46rem);
}

.particle-caption {
  position: absolute;
  right: var(--space-lg);
  bottom: var(--space-lg);
  left: var(--space-lg);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-rule);
}

.story-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.story-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-md);
  align-content: center;
  min-height: 74svh;
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-rule);
  color: var(--color-muted);
  transition: color 280ms var(--ease-in-out), transform 280ms var(--ease-out);
}

.story-step:last-child {
  border-bottom: 1px solid var(--color-rule);
}

.story-step.is-active {
  color: var(--color-ink);
  transform: translateX(-0.5rem);
}

.story-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 2vw, 4rem);
  font-weight: 540;
  letter-spacing: -0.05em;
  line-height: 1;
}

.story-step p {
  max-width: 34ch;
  margin: var(--space-md) 0 0;
  font-size: 1.08rem;
}

.story-step code {
  display: inline-block;
  max-width: 100%;
  margin-top: var(--space-lg);
  color: var(--color-copper-dark);
  font-family: var(--font-code);
  font-size: var(--text-xs);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.install {
  display: grid;
  grid-template-columns: minmax(15rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(var(--space-2xl), 8vw, 8rem);
  padding-top: clamp(var(--space-4xl), 14vw, 13rem);
  padding-bottom: clamp(var(--space-4xl), 14vw, 13rem);
  border-top: 1px solid var(--color-rule);
}

.install-intro {
  display: grid;
  align-content: start;
  gap: var(--space-xl);
}

.install-console {
  min-width: 0;
  align-self: start;
  border-top: 1px solid var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
}

.install-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--color-rule);
}

.install-tabs button {
  flex: 0 0 auto;
  min-height: 3.5rem;
  padding: var(--space-md) var(--space-lg);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 590;
  cursor: pointer;
  transition: color 140ms var(--ease-out), background-color 140ms var(--ease-out),
    border-color 140ms var(--ease-out);
}

.install-tabs button:hover {
  background: var(--color-copper-soft);
}

.install-tabs button[aria-selected="true"] {
  color: var(--color-copper-dark);
  border-bottom-color: var(--color-copper);
}

.install-panels > section {
  display: grid;
  gap: var(--space-xl);
  min-height: 27rem;
  padding: clamp(var(--space-lg), 4vw, var(--space-2xl));
}

.install-panels > section[hidden] {
  display: none;
}

.pathway-meta {
  display: grid;
  grid-template-columns: minmax(8rem, 0.65fr) minmax(14rem, 1.35fr);
  gap: var(--space-lg);
  align-items: start;
}

.pathway-meta p {
  margin: 0;
}

.pathway-meta p:last-child {
  max-width: 42ch;
  font-size: 1.05rem;
}

.pathway-label {
  color: var(--color-copper-dark);
}

.code-shell {
  align-self: center;
  min-width: 0;
  color: var(--color-field);
  background: var(--color-ink);
}

.code-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 2.75rem;
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid oklch(38% 0.01 72);
  color: oklch(78% 0.014 68);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.copy-button {
  display: none;
  min-height: 2rem;
  padding: var(--space-2xs) var(--space-sm);
  border: 1px solid oklch(52% 0.02 55);
  color: var(--color-field);
  background: transparent;
  font-size: var(--text-xs);
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: color 140ms var(--ease-out), border-color 140ms var(--ease-out),
    background-color 140ms var(--ease-out);
}

.js .copy-button {
  display: inline-flex;
  align-items: center;
}

.copy-button:hover,
.copy-button[data-state="success"] {
  color: var(--color-ink);
  border-color: var(--color-paper);
  background: var(--color-paper);
}

.copy-button[data-state="error"] {
  color: var(--color-paper);
  border-color: var(--color-copper);
  background: var(--color-copper-dark);
}

pre {
  margin: 0;
  padding: var(--space-lg);
  overflow-x: auto;
}

pre code,
.pathway-note code,
.pathway-meta code {
  font-family: var(--font-code);
  font-variant-ligatures: none;
}

pre code {
  font-size: clamp(0.76rem, 0.7rem + 0.25vw, 0.95rem);
  line-height: 1.75;
  white-space: pre;
}

.pathway-note {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.pathway-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-xl);
  margin-top: auto;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 620;
}

.pathway-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.copy-status {
  min-height: 1.5rem;
  margin: 0;
  padding: 0 var(--space-lg) var(--space-sm);
  color: var(--color-success);
  font-family: var(--font-display);
  font-size: var(--text-xs);
}

.proof {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
  border-top: 1px solid var(--color-rule);
}

.proof h2 {
  max-width: 14ch;
  margin-top: var(--space-xl);
  font-size: clamp(3rem, 1.5rem + 6vw, 8rem);
  line-height: 0.88;
}

.proof-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-4xl);
  margin-bottom: 0;
  padding: 0;
  border-top: 1px solid var(--color-ink);
  list-style: none;
}

.proof-line li {
  padding-top: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 570;
}

.closing {
  display: grid;
  grid-template-columns: minmax(12rem, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(var(--space-2xl), 8vw, 8rem);
  align-items: center;
  padding-top: clamp(var(--space-4xl), 14vw, 13rem);
  padding-bottom: clamp(var(--space-4xl), 14vw, 13rem);
  border-top: 1px solid var(--color-rule);
}

.closing img {
  width: min(100%, 22rem);
  height: auto;
  margin-inline: auto;
}

.closing > div {
  display: grid;
  gap: var(--space-xl);
  justify-items: start;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  padding-bottom: max(var(--space-xl), env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

@media (max-width: 62rem) {
  .section-heading {
    grid-template-columns: minmax(7rem, 0.6fr) minmax(0, 1.4fr);
  }

  .section-heading > p:last-child {
    grid-column: 2;
  }

  .story-layout {
    grid-template-columns: minmax(15rem, 0.9fr) minmax(16rem, 1.1fr);
    gap: var(--space-xl);
  }

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

  .install-intro {
    grid-template-columns: minmax(7rem, 0.5fr) minmax(0, 1.5fr);
  }

  .install-intro > p:last-child {
    grid-column: 2;
  }
}

@media (max-width: 46rem) {
  .site-header nav a:not(.repo-link) {
    display: none;
  }

  .hero {
    min-height: 44rem;
  }

  .hero h1 {
    line-height: 0.88;
  }

  .manifesto,
  .section-heading,
  .install-intro,
  .closing {
    grid-template-columns: 1fr;
  }

  .section-heading > p:last-child,
  .install-intro > p:last-child {
    grid-column: auto;
  }

  .story-layout {
    grid-template-columns: 1fr;
  }

  .particle-stage {
    top: var(--space-sm);
    z-index: 5;
    min-height: 46svh;
  }

  #particle-field {
    height: 46svh;
    min-height: 18rem;
  }

  .story-step {
    min-height: 64svh;
    padding: var(--space-4xl) 0;
  }

  .story-step.is-active {
    transform: none;
  }

  .pathway-meta {
    grid-template-columns: 1fr;
  }

  .install-panels > section {
    min-height: 31rem;
  }

  .proof-line {
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-xl);
  }

  .closing img {
    width: min(55vw, 14rem);
  }
}

@media (max-width: 32rem) {
  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .install-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: visible;
  }

  .install-tabs button {
    width: 100%;
    padding-inline: var(--space-md);
  }

  .code-heading {
    align-items: flex-start;
    flex-direction: column;
    padding-block: var(--space-sm);
  }

  footer {
    flex-direction: column;
  }
}

@media (hover: hover) and (pointer: fine) {
  .site-header nav a,
  .button,
  .install-tabs button,
  .copy-button {
    cursor: pointer;
  }
}

@media (pointer: coarse) {
  .site-header nav a,
  .install-tabs button,
  .pathway-links a {
    min-height: 3rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    transform: none;
  }
}

@media (forced-colors: active) {
  .button,
  .install-console,
  .particle-stage,
  .code-shell {
    border: 1px solid CanvasText;
  }

  .install-tabs button[aria-selected="true"] {
    border-bottom: 3px solid Highlight;
  }
}