/* ---------------------------------------------------------------------
   buy — shared stylesheet for the landing page and the docs page.
   Sand paper, black ink, white cards, one hairline everywhere. The only
   colour is the Celo mark. Inter carries the prose, IBM Plex Mono the
   labels and prices, and the wordmark is a vector so it never depends on
   a font. Light is the designed theme; dark is the same system inverted.
   --------------------------------------------------------------------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-wght.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-latin-400.woff2") format("woff2");
}

:root {
  --paper: #e7e3d4;
  --card: #ffffff;
  --ink: #000000;
  --on-ink: #ffffff;
  /* Secondary text. 6.8:1 on sand, higher on white: AA for small labels. */
  --muted: #4a4840;
  --prosperity: #fcff52;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --h1: clamp(2.5rem, 1.5rem + 3.4vw, 4rem);
  --h2: clamp(1.75rem, 1.35rem + 1.3vw, 2.25rem);
  --h3: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --wrap: 80rem;

  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #15140f;
    --card: #1e1c16;
    --ink: #e7e3d4;
    --on-ink: #15140f;
    --muted: #b3afa1;
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --paper: #e7e3d4;
  --card: #ffffff;
  --ink: #000000;
  --on-ink: #ffffff;
  --muted: #4a4840;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #15140f;
  --card: #1e1c16;
  --ink: #e7e3d4;
  --on-ink: #15140f;
  --muted: #b3afa1;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
[hidden] {
  display: none !important;
}
a {
  color: inherit;
}
:focus-visible {
  outline: 3px solid var(--prosperity);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--ink);
  border-radius: 2px;
}
.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.skip {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.625rem 0.875rem;
  background: var(--ink);
  color: var(--on-ink);
  font: 600 0.875rem / 1 var(--sans);
  text-decoration: none;
}
.skip:focus {
  top: 1rem;
}
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.15;
}
h1 {
  font-size: var(--h1);
  line-height: 1.04;
  letter-spacing: -0.04em;
}
h2 {
  font-size: var(--h2);
  letter-spacing: -0.028em;
}
h3 {
  font-size: 1rem;
}
p {
  margin: 0;
}
code,
pre {
  font-family: var(--mono);
}
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font: 0.75rem / 1.3 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.node {
  display: inline-block;
  flex: none;
  width: 5px;
  height: 5px;
  background: currentColor;
}
.lede {
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.6;
}
.icon {
  flex: none;
  width: 1em;
  height: 1em;
}
.ink {
  color: var(--ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  height: 2.75rem;
  padding: 0 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  font: 600 0.875rem / 1 var(--sans);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.btn .icon {
  width: 1rem;
  height: 1rem;
}
.btn:hover {
  background: var(--paper);
}
.btn-primary {
  background: var(--ink);
  color: var(--on-ink);
}
.btn-primary:hover {
  background: color-mix(in srgb, var(--ink) 82%, var(--paper));
}
.btn-copy {
  height: 2.25rem;
  padding: 0 0.75rem;
  gap: 0.5rem;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 0.75rem;
}
.btn-copy:hover {
  background: color-mix(in srgb, var(--ink) 82%, var(--paper));
}
.btn-copy .icon {
  width: 0.9375rem;
  height: 0.9375rem;
}
.btn-copy[data-copied] {
  background: var(--prosperity);
  border-color: #000;
  color: #000;
}
.btn-wrap {
  height: auto;
  min-height: 2.75rem;
  max-width: 100%;
  padding: 0.75rem 1.25rem;
  line-height: 1.3;
  text-align: left;
  white-space: normal;
}

/* Header */
.site-head {
  position: relative;
  border-bottom: 1px solid var(--ink);
}
.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 5.5rem;
}
.brand {
  display: inline-flex;
  color: inherit;
}
.wordmark {
  display: block;
  width: auto;
  height: 2.625rem;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.menu-links {
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.menu-links a {
  font: 500 0.875rem / 1 var(--sans);
  text-decoration: none;
}
.menu-links a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.35em;
}
.menu-links a:hover,
.foot-links a:hover,
.receipt-foot a:hover,
.doc-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.menu-btn,
.theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.menu-btn {
  display: none;
}
.theme svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}
.theme .theme-moon {
  display: none;
}
:root[data-theme="dark"] .theme .theme-sun {
  display: none;
}
:root[data-theme="dark"] .theme .theme-moon {
  display: block;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .theme-sun {
    display: none;
  }
  :root:not([data-theme="light"]) .theme .theme-moon {
    display: block;
  }
}
@media (max-width: 46rem) {
  .head-inner {
    flex-wrap: wrap;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
  .site-nav {
    gap: 0.75rem;
  }
  .site-nav:not([data-menu-ready]) {
    flex-wrap: wrap;
  }
  .site-nav:not([data-menu-ready]) .menu-links {
    flex-basis: 100%;
    order: 10;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    padding-top: 0.75rem;
  }
  .site-nav[data-menu-ready] .menu-btn {
    display: inline-flex;
  }
  .site-nav[data-menu-ready] .menu-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 20;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
  }
  .site-nav[data-menu-ready][data-open] .menu-links {
    display: flex;
  }
  .site-nav[data-menu-ready] .menu-links a {
    display: block;
    padding: 1rem var(--gutter);
    border-top: 1px solid var(--ink);
  }
  .menu-btn svg {
    width: 1.125rem;
    height: 1.125rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
  }
  .menu-btn .menu-x,
  .site-nav[data-open] .menu-btn .menu-bars {
    display: none;
  }
  .site-nav[data-open] .menu-btn .menu-x {
    display: block;
  }
}

/* Hero */
.hero {
  padding: clamp(3rem, 7vw, 6rem) 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 32rem);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
}
.hero-intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}
.hero h1 {
  max-width: 10.5em;
}
.celo-mark {
  width: 1rem;
  height: 1rem;
  flex: none;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.25rem;
}
.receipt {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--ink);
  background: var(--card);
}
.receipt-title {
  font-size: var(--h2);
  letter-spacing: -0.028em;
}
.receipt-kicker {
  margin-top: -0.5rem;
  font: 0.6875rem / 1 var(--mono);
  text-transform: uppercase;
}
.receipt-rule {
  height: 1px;
  background: var(--ink);
}
.receipt-items {
  display: flex;
  flex-direction: column;
  gap: 0.9375rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.receipt-items li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
}
.receipt-items .ink {
  flex: none;
  width: auto;
  height: 18px;
}
.receipt-items .item {
  flex: 1;
}
.leader {
  width: 5rem;
  height: 1px;
  background: var(--ink);
}
.receipt-perf {
  border-top: 1px dashed var(--ink);
}
.receipt-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font: 0.75rem / 1.3 var(--mono);
}
.receipt-foot a {
  text-decoration: none;
}
@media (max-width: 64rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .receipt {
    max-width: 32rem;
  }
}

/* Built on: a slow marquee of the protocols underneath. */
.built {
  padding: 1.25rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.built-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.built .label {
  flex: none;
}
/* Tools: the brands behind the catalogue. Matched to Built on by TRACK WIDTH,
   not by brand count: 20 brands is 3.33 times 6, and these items are wider (a
   disc plus a longer note), so 8529px against 2174px at 40s works out at 157s.
   Counting brands instead left this marquee running 31% faster than Built on. */
.tools-wall .marquee-track {
  animation-duration: 157s;
}
.marquee {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    #000 4rem,
    #000 calc(100% - 4rem),
    transparent
  );
  mask-image: linear-gradient(90deg, transparent, #000 4rem, #000 calc(100% - 4rem), transparent);
}
.marquee-track {
  display: flex;
  gap: 0.75rem;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track {
  animation-play-state: paused;
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}
.marquee-list {
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  height: 2.75rem;
  padding: 0 1rem 0 0.75rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
  font: 500 0.875rem / 1 var(--sans);
  white-space: nowrap;
}
.tag small {
  font: 0.6875rem / 1 var(--mono);
  color: var(--muted);
}
.tag .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
}
.tag .mark svg {
  width: 100%;
  height: 100%;
}
.tag .mark-type {
  font: 700 0.6875rem / 1 var(--mono);
  border: 1px solid var(--ink);
  border-radius: 2px;
}
/* Tools marks sit in a dark disc with the cards' border, whatever the theme:
   an SVG mark inside it (single-colour ones in white), a favicon filling it,
   or the initial in white when a brand publishes neither. */
.tools-wall .tag .mark {
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: #0d0c09;
  color: #ffffff;
  overflow: hidden;
}
.tools-wall .tag .mark svg {
  width: 60%;
  height: 60%;
}
.tools-wall .tag .mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tools-wall .tag .mark-type {
  border-radius: 50%;
}
@media (prefers-reduced-motion: reduce) {
  .marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }
  .marquee-track {
    width: auto;
    animation: none;
    flex-wrap: wrap;
  }
  .marquee-track .marquee-list + .marquee-list {
    display: none;
  }
  .marquee-list {
    flex-wrap: wrap;
  }
}

/* Bands */
.band {
  padding: 3.5rem 0;
}
.band-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Catalogue */
#catalogue {
  padding: 3rem 0 3.5rem;
}
.cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.cat-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.25rem;
}
.cat-title .note {
  font-size: 0.8125rem;
  color: var(--muted);
}
.search {
  position: relative;
  width: min(100%, 20rem);
}
.search input {
  width: 100%;
  height: 2.75rem;
  padding: 0 0.875rem 0 2.5rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  font: 0.875rem var(--sans);
}
.search input::placeholder {
  color: var(--muted);
  opacity: 1;
}
.search .icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  width: 17px;
  height: 17px;
  transform: translateY(-50%);
  pointer-events: none;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}
.chip {
  height: 2.125rem;
  padding: 0 1rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  font: 500 0.8125rem / 1 var(--sans);
  cursor: pointer;
}
.chip:hover {
  background: var(--paper);
}
.chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--on-ink);
}
/* The table scrolls inside its own frame, no taller than the viewport, so
   the page can be scrolled past it. */
.svc-table {
  max-height: min(70vh, 44rem);
  overflow: auto;
  border: 1px solid var(--ink);
  overscroll-behavior: contain;
}
.svc-row {
  display: grid;
  /* The action column is fixed, not auto: auto sizes it per row, so a row with
     a link and a row without one put Category and Price in different places. */
  grid-template-columns: minmax(0, 1.15fr) 9rem minmax(0, 1fr) 10rem;
  gap: 1.5rem;
  align-items: center;
  min-height: 5rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--ink);
}
.svc:last-of-type > .svc-row {
  border-bottom: 0;
}
.svc[open]:last-of-type > .svc-row {
  border-bottom: 1px solid var(--ink);
}
.svc-headrow {
  position: sticky;
  top: 0;
  z-index: 2;
  min-height: 2.625rem;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--paper);
  font: 0.6875rem / 1 var(--mono);
}
.svc-headrow .svc-action {
  font: inherit;
}
.sort {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.sort::after {
  content: "↕";
}
.sort[data-order="asc"]::after {
  content: "↑";
}
.sort[data-order="desc"]::after {
  content: "↓";
}
details.svc > summary {
  list-style: none;
  cursor: pointer;
}
details.svc > summary::-webkit-details-marker {
  display: none;
}
details.svc > summary:hover {
  background: var(--card);
}
/* The table clips whatever a row draws outside itself, so the ring goes inside. */
details.svc > summary:focus-visible {
  outline-offset: -3px;
}
.svc-service {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}
.cat-badge {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--ink);
  background: var(--card);
  font: 0.875rem / 1 var(--mono);
}
.svc-name {
  font-weight: 600;
}
.svc-cat {
  font-size: 0.875rem;
}
.svc-price {
  font: 0.8125rem / 1.4 var(--mono);
}
.svc-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: end;
  font: 600 0.875rem / 1 var(--sans);
  white-space: nowrap;
}
a.svc-action {
  color: inherit;
  text-decoration: none;
}
a.svc-action:hover,
a.svc-action:focus-visible {
  text-decoration: underline;
}
.svc-action .icon {
  width: 1rem;
  height: 1rem;
  transition: transform 0.15s ease;
}
details.svc[open] > summary .svc-action .icon {
  transform: rotate(135deg);
}
.svc-body {
  padding: 1rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--ink);
  background: var(--card);
}
.svc:last-of-type > .svc-body {
  border-bottom: 0;
}
.svc-body .svc-blurb {
  max-width: 62ch;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.cat-list {
  max-height: 22rem;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}
.cat-list li {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr) auto;
  gap: 1rem;
  padding: 0.375rem 0;
  border-top: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
  font-size: 0.8125rem;
}
.cat-list code {
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}
.cat-list .cat-price {
  font: 0.75rem / 1.4 var(--mono);
  text-align: right;
}
.cat-list em {
  margin-left: 0.4rem;
  padding: 0 0.3rem;
  border: 1px solid var(--ink);
  font: 0.6875rem / 1.5 var(--mono);
}
.svc-example {
  margin-top: 1.25rem;
}
.svc-example-label,
.field-label {
  display: block;
  font: 600 0.75rem / 1.3 var(--sans);
}
.svc-example-label {
  margin-bottom: 0.5rem;
}
.cmdbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 4rem;
  padding: 0.75rem 0.75rem 0.75rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
}
.cmdbox.multi {
  align-items: flex-start;
}
.cmdline {
  flex: 1;
  min-width: 0;
  margin: 0;
  overflow-x: auto;
  font: 0.875rem / 1.6 var(--mono);
  white-space: pre;
}
.svc-status {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
}
.svc-empty {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  font-size: 0.875rem;
}
.svc-note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--muted);
}
@media (max-width: 60rem) {
  .svc-row {
    /* Fixed here as well, at the width of the longer action, "View on Agent402". */
    grid-template-columns: minmax(0, 1fr) 9.5rem;
    gap: 0.5rem 1rem;
    padding: 1rem;
  }
  .svc-headrow {
    display: none;
  }
  .svc-service {
    grid-column: 1 / -1;
  }
  .svc-cat {
    grid-column: 1;
    font: 0.75rem / 1.4 var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .svc-price {
    grid-column: 1;
  }
  .svc-action {
    grid-column: 2;
    grid-row: 2 / span 2;
    align-self: center;
  }
  a.svc-action {
    /* Enlarge the mobile hit area without moving the text or grid tracks. */
    padding-block: 0.875rem;
    margin-block: -0.875rem;
  }
  .cat-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.125rem;
  }
  .cat-list .cat-price {
    text-align: left;
  }
  .svc-body {
    padding: 1rem;
  }
}

/* How it works */
.how {
  padding: 2.75rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
/* The Tools wall above already ends in this line; both together drew it 2px. */
.tools-wall + .how {
  border-top: 0;
}
.flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem 2.625rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}
.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 6rem;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  background: var(--card);
}
.step + .step::before {
  content: "";
  position: absolute;
  left: -2.625rem;
  top: calc(50% - 0.5rem);
  width: 1.75rem;
  height: 1rem;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 16' fill='none'%3E%3Cpath d='M5.8324 8H22.1676M14 12.6672L22.1676 8L14 3.3328' stroke='black' stroke-linecap='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 16' fill='none'%3E%3Cpath d='M5.8324 8H22.1676M14 12.6672L22.1676 8L14 3.3328' stroke='black' stroke-linecap='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
}
.step-marker {
  font-size: 0.6875rem;
  letter-spacing: 0;
}
.step-marker .node {
  width: 6px;
  height: 6px;
}
.step-title {
  font-weight: 600;
}
.step-body {
  max-width: 34em;
  font-size: 0.9375rem;
  color: var(--muted);
}
.flow-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.flow-4 .step + .step::before {
  display: none;
}
.how-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
  font-size: 0.875rem;
}
@media (max-width: 60rem) {
  .flow {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }
  .step + .step::before {
    display: none;
  }
}

/* Live transcript: three real exchanges, opened on demand. */
.exchange {
  margin-top: 2rem;
  border: 1px solid var(--ink);
  background: var(--card);
}
.exchange > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  list-style: none;
  font: 600 0.875rem / 1.3 var(--sans);
  cursor: pointer;
}
.exchange > summary::-webkit-details-marker {
  display: none;
}
.exchange > summary .label {
  font-weight: 400;
}
.exchange[open] > summary {
  border-bottom: 1px solid var(--ink);
}
.transcript {
  line-height: 1.7;
  font-family: var(--mono);
  font-size: 0.8125rem;
}
.transcript-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.625rem 1.25rem;
  border-bottom: 1px solid var(--ink);
  font-size: 0.75rem;
}
.transcript-bar b {
  font-weight: 400;
}
.transcript-body {
  margin: 0;
  padding: 1.25rem 1.5rem 1.25rem;
  overflow: auto;
  white-space: pre;
}
#tape {
  height: calc(18 * 1.7em + 2.5rem);
}
.ln {
  display: block;
  min-height: 1.7em;
}
.cmd {
  color: var(--ink);
  font-weight: 700;
}
.c-note {
  color: var(--muted);
}
.c-req,
.c-key {
  color: var(--ink);
}
.c-402,
.c-200 {
  color: var(--ink);
  font-weight: 700;
}
.caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  vertical-align: -0.15em;
  background: currentColor;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink {
  to {
    opacity: 0;
  }
}
.self-card {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}
.self-card[data-state="idle"] {
  visibility: hidden;
}
.self-card .self-label {
  color: var(--muted);
}
.self-card[data-state="required"] .self-state::after {
  content: "attestation required";
}
.self-card[data-state="verified"] .self-state {
  padding: 0 0.3rem;
  background: var(--prosperity);
  color: #000;
}
.self-card[data-state="verified"] .self-state::after {
  content: "verified";
}
@media (max-width: 75rem), (prefers-reduced-motion: reduce) {
  .self-card {
    flex-basis: 100%;
    margin-left: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  #tape {
    height: auto;
  }
  .caret {
    animation: none;
  }
}

/* Get started */
.start {
  padding: 3.5rem 0;
}
.start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 3.5rem;
  align-items: start;
}
.start-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  min-width: 0;
}
.start-col h2 {
  font-size: var(--h3);
  letter-spacing: -0.025em;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}
.field-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.field-note {
  font-size: 0.8125rem;
  color: var(--muted);
}
.field-note a {
  color: var(--ink);
}
.field-terminal {
  width: 100%;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--card);
}
.field-terminal .transcript-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.more {
  font: 600 0.875rem / 1.3 var(--sans);
}

/* The faucet card: the one thing a new wallet needs first. */
.faucet {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--ink);
  background: var(--card);
  color: inherit;
  text-decoration: none;
}
.faucet-body {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.faucet strong {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.faucet-note {
  font-size: 0.875rem;
  color: var(--muted);
}
.faucet-go {
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
}
.faucet:hover {
  background: var(--paper);
}
.faucet:hover strong {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* The stage on the right of Get started: a paid, identity-gated request with
   the Self card floating over its corner. A static asset, nothing moves. */
.stage {
  position: sticky;
  top: 2rem;
  width: 100%;
}
.stage-terminal {
  border: 1px solid var(--ink);
  background: var(--card);
}
.stage-terminal .transcript-body {
  padding-bottom: 7rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.stage-card {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 14rem;
  padding: 1rem 1.125rem;
  border: 1px solid var(--ink);
  background: var(--card);
  box-shadow: 0.5rem 0.5rem 0 color-mix(in srgb, var(--ink) 12%, transparent);
}
.stage-card .self-doc {
  width: 3.5rem;
  height: 3.5rem;
}
.self-verified {
  text-align: center;
  font: 0.75rem / 1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.self-verified::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.5rem;
  background: var(--prosperity);
  border: 1px solid var(--ink);
  vertical-align: 0.05em;
}
.stage-card .self-claims {
  justify-content: flex-start;
  flex-direction: column;
  gap: 0.25rem;
}
.stage-card .self-claims li {
  padding: 0;
  border: 0;
  font-size: 0.8125rem;
}
.stage-card .self-foot {
  flex-direction: column;
  gap: 0.125rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--ink);
}
@media (max-width: 36rem) {
  .stage-card {
    position: static;
    width: 100%;
    margin-top: 0.75rem;
    box-shadow: none;
  }
  .stage-terminal .transcript-body {
    min-height: 0;
    padding-bottom: 1.25rem;
  }
}
.self-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.self-head svg {
  width: 1.5rem;
  height: 1.5rem;
}
.self-head b {
  font-size: 1.125rem;
}
.self-head .label {
  margin-left: auto;
}
.self-doc {
  width: 7rem;
  height: 7rem;
  margin: 0 auto;
  stroke: var(--ink);
  fill: none;
  stroke-width: 1.5;
}
.self-doc .self-tick {
  stroke: #000;
}
.self-doc .self-tick-bg {
  fill: var(--prosperity);
  stroke: var(--ink);
}
.self-claims {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.self-claims li {
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font: 0.75rem / 1.4 var(--mono);
}
.self-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--ink);
  font: 0.6875rem / 1.4 var(--mono);
  color: var(--muted);
}
.self-note {
  font-size: 0.8125rem;
  color: var(--muted);
}
@media (max-width: 60rem) {
  .start-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .self-graphic {
    position: static;
    margin-left: 0;
  }
}

/* Docs page */
.doc-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 2.5rem;
  border-bottom: 1px solid var(--ink);
}
.doc-hero h1 {
  max-width: 14em;
}
.doc-hero .lede {
  margin-top: 1rem;
}
.doc-layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 3.5rem;
  padding: 3rem var(--gutter) 4rem;
}
.doc-nav {
  position: sticky;
  top: 2rem;
  align-self: start;
}
.doc-nav ol {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}
.doc-nav li + li {
  margin-top: 0.5rem;
}
.doc-nav a {
  font: 500 0.875rem / 1.3 var(--sans);
  text-decoration: none;
}
.doc-body {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  min-width: 0;
}
.doc-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-margin-top: 2rem;
}
.doc-section h2 {
  font-size: var(--h3);
  letter-spacing: -0.025em;
}
.doc-section h3 {
  margin-top: 0.5rem;
  font-size: 1rem;
}
.doc-section p,
.doc-section li {
  max-width: 68ch;
  font-size: 0.9375rem;
}
.doc-section ul {
  margin: 0;
  padding-left: 1.25rem;
}
.doc-section li + li {
  margin-top: 0.375rem;
}
.doc-section code {
  font-size: 0.85em;
}
.doc-section .cmdbox {
  width: 100%;
}
.doc-section .field-terminal {
  width: 100%;
}
.doc-table {
  width: 100%;
  border: 1px solid var(--ink);
  border-collapse: collapse;
  font-size: 0.875rem;
}
.doc-table th,
.doc-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--ink);
  text-align: left;
  vertical-align: top;
}
.doc-table th {
  font: 0.6875rem / 1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--card);
}
.doc-table tr:last-child td {
  border-bottom: 0;
}
.doc-table code {
  white-space: nowrap;
}
@media (max-width: 60rem) {
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  .doc-nav {
    position: static;
  }
  .doc-nav ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
  }
  .doc-nav li + li {
    margin-top: 0;
  }
}

/* Footer */
.site-foot {
  padding: 1.5rem 0 1.75rem;
  border-top: 1px solid var(--ink);
}
.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.foot-row .wordmark {
  height: 2rem;
}
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font: 500 0.875rem / 1 var(--sans);
}
.foot-links a {
  text-decoration: none;
}
.foot-note {
  margin-top: 1.125rem;
  font-size: 0.8125rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}