/* Bona Fide's landing page, in the Certificate design. The palette lives here, and only here, checked
   for WCAG AA by web/test/landing/static-test.mjs. The page has one theme, light, whatever the
   system's setting. */

@font-face {
  font-family: "Big Shoulders Display";
  src: url("fonts/big-shoulders-display.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Hanken Grotesk";
  src: url("fonts/hanken-grotesk.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Azeret Mono";
  src: url("fonts/azeret-mono.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --page: #f6f4f9;
  --surface: #ffffff;
  --band: #efebf6;
  --paper: #ece6f6;
  --paper-2: #e9f1ee;
  --paper-3: #eee7f3;
  --seal-bg: #f3eef9;
  --avatar: #d9d1ec;

  --text: #1d1838;
  --text-2: #3b355e;
  --text-3: #5a547a;
  --ink: #2b2459;
  --green: #3f7a6b;
  --green-deep: #346a5c;
  --red: #c8323c;
  --red-deep: #b02a34;
  --mint: #a8e6d2;
  --rule: #dcd5ea;
  --rule-2: #cfc6e4;
  --numeral: #8a80b0;

  --on-ink: #f6f4f9;
  --on-ink-2: #dcd5ea;
  --on-ink-3: #c9c2e6;
  --numeral-on-ink: #8c85c8;
  --rule-on-ink: #5a5293;

  --warn: #8a5a00;
  --warn-soft: #fdf4e3;
  --warn-border: #f0d9a8;

  --font-display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", "Helvetica Neue", sans-serif;
  --font-body:
    "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Azeret Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: 32px;
  --header-height: 64px;
  --shadow-lift: 0 12px 30px -10px rgba(43, 36, 89, 0.6);
  color-scheme: light;
}

/* Base */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

/* Anchor targets land below the sticky header. */
main [id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 16px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  overflow-x: clip;
}

[hidden] {
  display: none !important;
}

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

h1,
h2,
h3,
p,
ol,
ul,
dl,
dd,
figure,
pre {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

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

p,
li {
  text-wrap: pretty;
}

a {
  color: var(--ink);
  text-underline-offset: 3px;
}

a[href]:hover {
  color: var(--red);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
pre:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  border-radius: 4px;
}

.mono,
code,
pre {
  font-family: var(--font-mono);
}

code {
  font-size: 0.85em;
}

.green {
  color: var(--green);
}

.red {
  color: var(--red);
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* The fonts' latin subsets have no check mark, so ticks are drawn. */
.tick {
  display: inline-block;
  width: 1.05em;
  height: 1.05em;
  margin-right: 0.4em;
  vertical-align: -0.17em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cert-seal-word .tick,
.step-stamp .tick {
  margin: 0 0 0 0.35em;
}

.icon.fill {
  width: 14px;
  height: 14px;
  fill: currentColor;
  stroke: none;
}

.skip {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  transform: translateY(-200%);
}

.skip:focus {
  transform: none;
}

/* Layout and type */

.wrap {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section {
  padding-top: clamp(80px, 10vw, 130px);
  padding-bottom: 40px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 4.5vw, 56px);
}

.head {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.narrow-head {
  max-width: 820px;
}

.head-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr));
  gap: 24px 40px;
  align-items: end;
}

.display {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 92px);
  font-weight: 900;
  line-height: 0.88;
  text-transform: uppercase;
}

.display.medium {
  font-size: clamp(40px, 5vw, 76px);
}

.display.large {
  font-size: clamp(52px, 7vw, 112px);
  line-height: 0.86;
}

.display-line {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede {
  color: var(--text-2);
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.55;
}

.fine {
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.6;
}

.more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
}

/* Arrows after link text, drawn: the fonts' latin subsets have none. */
.arrow {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.3em;
  vertical-align: -0.15em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nowrap {
  white-space: nowrap;
}

/* Buttons */

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 10px;
  font: 600 16px/1.2 var(--font-body);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.btn.primary {
  background: var(--ink);
  color: var(--on-ink);
}

.btn.primary[href]:hover {
  color: var(--on-ink);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.btn.primary[aria-disabled="true"] {
  cursor: default;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}

.btn.ghost:hover {
  color: var(--ink);
  background: var(--band);
}

.btn.small {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}

.btn.large {
  min-height: 58px;
  padding: 0 28px;
  border-radius: 12px;
  font-size: 17px;
}

/* Top bar: sticky, over the page but under the skip link. */

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--rule);
  background: rgba(246, 244, 249, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

@supports not ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {
  .top {
    background: var(--page);
  }
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: calc(var(--header-height) - 1px);
  padding-block: 6px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand img {
  width: 48px;
  height: 48px;
}

.brand[href]:hover {
  color: var(--text);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  text-decoration: none;
}

/* Hero */

.hero {
  padding-top: clamp(16px, 3vw, 36px);
  padding-bottom: 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(520px, 100%), 1fr));
  gap: 28px 44px;
  align-items: end;
}

.hero-head,
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.problem-line {
  color: var(--red);
  font-size: 14px;
  line-height: 1.5;
}

.hero-title {
  font-size: clamp(52px, 8.4vw, 132px);
  line-height: 0.84;
}

.hero-copy {
  padding-bottom: 6px;
}

.hero-copy .lede {
  color: var(--text);
  font-size: clamp(18px, 1.6vw, 20px);
  line-height: 1.5;
}

/* The certificate. Text and stamps in HTML over decorative backgrounds, so it can re-lay itself out:
   stacked on phones, two columns on tablets and banknote proportions from 960 px. */

.cert-figure {
  container: cert / inline-size;
  max-width: 1100px;
  margin: clamp(40px, 5vw, 52px) auto 0;
}

.cert-float {
  perspective: 1200px;
  animation: float 9s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: rotate(-1.5deg) translateY(0);
  }
  50% {
    transform: rotate(-1deg) translateY(-8px);
  }
}

.cert {
  --rx: 0deg;
  --ry: 0deg;
  --lift: 0;
  --gx: 50%;
  --gy: 50%;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "top" "seal" "holo" "body" "side" "bottom";
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--paper), var(--paper-2) 55%, var(--paper-3));
  box-shadow:
    0 calc(50px + var(--lift) * 18px) calc(90px + var(--lift) * 30px) -40px
      rgba(43, 36, 89, calc(0.55 + var(--lift) * 0.15)),
    0 0 0 1px var(--rule-2);
  transform: rotateX(var(--rx)) rotateY(var(--ry)) translateZ(calc(var(--lift) * 18px));
  will-change: transform;
}

.cert-waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.5;
  pointer-events: none;
}

.cert-frame {
  position: absolute;
  inset: 10px;
  border: 1.5px solid var(--ink);
  pointer-events: none;
}

.cert-frame::after {
  position: absolute;
  inset: 5px;
  border: 0.6px solid var(--ink);
  content: "";
}

.micro {
  display: none;
}

.cert > :where(:not(.cert-frame, .cert-waves, .cert-sheen, .cert-glare)) {
  position: relative;
}

.cert-serial {
  color: var(--red-deep);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.cert-serial-top {
  grid-area: top;
  padding: 26px 28px 0;
  text-align: right;
}

.cert-serial-bottom {
  grid-area: bottom;
  padding: 0 28px 28px;
}

.cert-seal {
  grid-area: seal;
  justify-self: center;
  width: min(220px, 62%);
  aspect-ratio: 1;
  margin: 8px 0 20px;
}

.cert-seal::before {
  position: absolute;
  inset: 3%;
  border-radius: 50%;
  background: var(--seal-bg);
  opacity: 0.7;
  content: "";
}

.cert-seal img,
.cert-seal svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cert-seal circle {
  fill: var(--seal-bg);
  stroke: var(--ink);
  stroke-width: 1.3;
}

.cert-seal path {
  fill: none;
  stroke: var(--green);
  stroke-width: 7.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cert-holo {
  grid-area: holo;
  height: 14px;
}

.cert-holo::before,
.cert-holo::after {
  position: absolute;
  inset: 0;
  content: "";
}

.cert-holo::before {
  background: linear-gradient(90deg, #ff9ad5, #9ad0ff, #a8ffcf, #fff59a, #ffb38a, #ff9ad5);
  mix-blend-mode: multiply;
  opacity: 0.85;
  animation: holo 6s linear infinite;
}

.cert-holo::after {
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.35) 0 3px, transparent 3px 9px);
}

@keyframes holo {
  to {
    filter: hue-rotate(360deg);
  }
}

.cert-body {
  grid-area: body;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 28px 20px;
}

.cert-title {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.05;
  text-transform: uppercase;
}

.cert-text {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.45;
}

.cert-pr {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.cert-avatar {
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 50%;
  background: var(--avatar);
}

.cert-pr-title {
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}

.cert-pr-meta {
  margin-top: 2px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.cert-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.cert-stamps li {
  padding: 6px 14px;
  border: 1.8px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
}

.cert-stamps li.ok {
  border-color: var(--green-deep);
  color: var(--green-deep);
}

.cert-note {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
}

.cert-side {
  grid-area: side;
  display: grid;
  grid-template-columns: auto auto;
  grid-template-areas: "kind kind" "number word";
  align-items: end;
  justify-content: start;
  gap: 0 20px;
  padding: 4px 28px 12px;
}

.cert-kind {
  grid-area: kind;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.cert-number {
  grid-area: number;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 900;
  line-height: 0.85;
}

.cert-seal-word {
  grid-area: word;
  white-space: nowrap;
  padding-bottom: 4px;
  color: var(--green-deep);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.cert-sheen {
  position: absolute;
  top: -10%;
  bottom: -10%;
  left: 0;
  width: 16%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  animation: sheen 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes sheen {
  0%,
  55% {
    transform: translateX(-120%) skewX(-18deg);
  }
  80%,
  100% {
    transform: translateX(720%) skewX(-18deg);
  }
}

/* The glare follows the pointer while tilt.js tilts the card; at rest it is invisible. */
.cert-glare {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--gx) var(--gy), rgba(255, 255, 255, 0.7), transparent 40%);
  mix-blend-mode: overlay;
  opacity: var(--lift);
  pointer-events: none;
}

@container cert (max-width: 599px) {
  .cert-float {
    animation-name: float-narrow;
  }

  .cert-number {
    font-size: 76px;
  }

  .cert-seal-word {
    font-size: 18px;
    letter-spacing: 0.14em;
  }
}

/* On the smallest phones the number and the seal word stack. */
@container cert (max-width: 380px) {
  .cert-side {
    grid-template-columns: auto;
    grid-template-areas: "kind" "number" "word";
  }

  .cert-seal-word {
    padding: 10px 0 0;
  }
}

@keyframes float-narrow {
  0%,
  100% {
    transform: rotate(-0.4deg) translateY(0);
  }
  50% {
    transform: rotate(-0.2deg) translateY(-6px);
  }
}

.cert-figure figcaption {
  margin-top: 20px;
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  text-wrap: balance;
}

@container cert (min-width: 600px) {
  .cert {
    grid-template-columns: 36% 18px minmax(0, 1fr);
    grid-template-areas:
      "seal holo top"
      "seal holo body"
      "seal holo side"
      "bottom holo side";
  }

  .cert-frame {
    inset: 16px;
  }

  .cert-frame::after {
    inset: 8px;
  }

  .cert-seal {
    align-self: center;
    width: 82%;
    margin: 40px 0 0;
  }

  .cert-holo {
    grid-row: 1 / -1;
    width: 18px;
    height: auto;
  }

  .cert-holo::before {
    background: linear-gradient(180deg, #ff9ad5, #9ad0ff, #a8ffcf, #fff59a, #ffb38a, #ff9ad5);
  }

  .cert-holo::after {
    background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.35) 0 3px, transparent 3px 9px);
  }

  .cert-serial-top {
    padding: 34px 40px 0 24px;
  }

  .cert-body {
    padding: 8px 40px 12px 24px;
  }

  .cert-side {
    padding: 0 40px 52px 24px;
  }

  .cert-serial-bottom {
    align-self: end;
    padding: 0 0 52px 40px;
  }
}

/* From 960 px, the banknote: the proportions of the drawing (1100 × 500), scaled with the card. */
@container cert (min-width: 960px) {
  .cert {
    grid-template-columns: 39.2% 2.6% minmax(0, 1fr);
    grid-template-rows: auto;
    grid-template-areas: "seal holo body";
    aspect-ratio: 11 / 5;
  }

  .cert-frame {
    inset: 1.82cqw;
  }

  .cert-frame::after {
    inset: 1.45cqw;
  }

  .micro {
    position: absolute;
    left: 0;
    right: 0;
    display: block;
    overflow: hidden;
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 0.64cqw;
    letter-spacing: 0.17em;
    line-height: 1;
    white-space: nowrap;
    opacity: 0.8;
  }

  .micro-top {
    top: 0.36cqw;
  }

  .micro-bottom {
    bottom: 0.36cqw;
  }

  .cert-seal {
    grid-area: seal;
    width: 31cqw;
    margin: 0;
    justify-self: center;
    align-self: center;
  }

  .cert-holo {
    grid-area: holo;
    width: auto;
  }

  .cert-body {
    gap: 1.6cqw;
    max-width: 44cqw;
    padding: 6.8cqw 0 0 0.9cqw;
  }

  .cert-title {
    font-size: 2.73cqw;
    letter-spacing: 0.17em;
  }

  .cert-text {
    font-size: 1.36cqw;
  }

  .cert-pr {
    gap: 1.3cqw;
  }

  .cert-avatar {
    width: 2.9cqw;
    height: 2.9cqw;
  }

  .cert-pr-title {
    font-size: 1.55cqw;
  }

  .cert-pr-meta,
  .cert-note {
    font-size: 1.09cqw;
  }

  .cert-stamps {
    display: grid;
    grid-template-columns: 13.5cqw 17cqw;
    gap: 0.9cqw;
    margin-top: 0.8cqw;
  }

  .cert-stamps li {
    padding: 0.55cqw 0.6cqw;
    font-size: 1.05cqw;
    text-align: center;
  }

  .cert-note {
    max-width: 27cqw;
    margin-top: 1.2cqw;
  }

  .cert-serial {
    position: absolute;
    padding: 0;
    font-size: 1.82cqw;
  }

  .cert-serial-top {
    top: 3.9cqw;
    right: 5.8cqw;
  }

  .cert-serial-bottom {
    bottom: 4.4cqw;
    left: 5.8cqw;
  }

  .cert-side {
    position: absolute;
    right: 5.8cqw;
    bottom: 3.6cqw;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0;
    padding: 0;
  }

  .cert-kind {
    font-size: 1.36cqw;
  }

  .cert-number {
    margin-top: 2.2cqw;
    font-size: 10.4cqw;
    line-height: 0.78;
  }

  .cert-seal-word {
    padding: 1.4cqw 0 0;
    font-size: 2.36cqw;
  }
}

/* Built on */

.built-on {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-size: 14px;
}

.built-on .label {
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.arc-logo {
  display: block;
  border-radius: 6px;
}

.arc-logo img {
  width: auto;
  height: 32px;
}

/* The mainnet line sits under the logo, on a row of its own. */
.live-dot {
  display: flex;
  flex-basis: 100%;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 12px;
}

.live-dot::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

/* The event strip */

.event {
  border-block: 1px solid var(--rule);
  background: var(--band);
}

.event-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0 28px;
  padding-block: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.event-row a {
  display: inline-block;
  padding-block: 13px;
  line-height: 18px;
  text-decoration: none;
}

/* The problem */

.red.eyebrow,
.eyebrow.red {
  color: var(--red);
}

.eyebrow.green {
  color: var(--green);
}

.exhibits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 24px;
}

.exhibit {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--rule);
  color: var(--text);
  text-decoration: none;
  transform: rotate(-1deg);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.exhibit:nth-child(2) {
  transform: rotate(0.8deg);
}

.exhibit:nth-child(3) {
  transform: rotate(-0.6deg);
}

.exhibit[href]:hover {
  color: var(--text);
  box-shadow:
    0 30px 60px -30px rgba(43, 36, 89, 0.45),
    0 0 0 1px var(--rule);
  transform: translateY(-4px) rotate(0deg);
}

.exhibit p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.5;
}

.exhibit .exhibit-tag {
  color: var(--text-3);
  font-size: 11px;
  text-transform: uppercase;
}

.exhibit-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
}

.exhibit .exhibit-source {
  margin-top: auto;
  color: var(--ink);
  font-size: 11px;
}

.exhibit[href]:hover .exhibit-source {
  color: var(--red);
  text-decoration: underline;
}

/* How it works */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: 16px;
}

.steps li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px;
  overflow: hidden;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--rule);
}

.step-number {
  color: var(--numeral);
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 900;
  line-height: 0.8;
}

.steps h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
}

.steps p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.5;
}

.steps .step-last {
  padding-bottom: 64px;
  background: var(--ink);
  box-shadow: none;
  color: var(--on-ink);
}

.step-last .step-number {
  color: var(--numeral-on-ink);
}

.step-last p {
  color: var(--on-ink-2);
}

.step-stamp {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 6px 10px;
  border: 2px solid var(--mint);
  border-radius: 6px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  transform: rotate(-8deg);
  animation: stamp-in 6s ease-out infinite;
}

@keyframes stamp-in {
  0%,
  30% {
    opacity: 0;
    transform: scale(1.6) rotate(-8deg);
  }
  36% {
    opacity: 1;
    transform: scale(0.95) rotate(-8deg);
  }
  40%,
  100% {
    opacity: 1;
    transform: scale(1) rotate(-8deg);
  }
}

.rule {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(460px, 100%), 1fr));
  gap: 40px 56px;
  align-items: start;
  padding-top: clamp(16px, 3vw, 40px);
}

.rule .lede {
  font-size: 18px;
}

.never-pays {
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: var(--text-2);
  line-height: 1.55;
}

.clauses {
  border-top: 2px solid var(--ink);
}

.clauses li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 8px 18px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule-2);
}

.clauses li:last-child {
  border-bottom: 2px solid var(--ink);
}

.clause-number {
  color: var(--text-3);
  font-size: 13px;
}

.clause-text {
  font-size: 18px;
  line-height: 1.45;
}

.clause-result {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Live on Arc */

.ledger {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding: clamp(28px, 5vw, 64px);
  overflow: hidden;
  border-radius: 28px;
  background: var(--ink);
  color: var(--on-ink);
}

.ledger > * {
  position: relative;
}

.ledger .ledger-waves {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.16;
  filter: invert(1) sepia(1) hue-rotate(110deg) saturate(2);
  pointer-events: none;
}

.ledger a {
  color: var(--on-ink);
}

.ledger a[href]:hover {
  color: var(--mint);
}

.ledger a:focus-visible,
.ledger button:focus-visible,
.step-last a:focus-visible {
  outline-color: var(--mint);
}

.ledger-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.ledger-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  color: var(--mint);
  font-size: 12px;
}

.ledger-lede {
  max-width: 380px;
  color: var(--on-ink-2);
  line-height: 1.5;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1.5px solid var(--mint);
  border-radius: 999px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag.warn {
  border-color: var(--warn-soft);
  background: var(--warn-soft);
  color: var(--warn);
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--on-ink-2);
}

.live-status a {
  display: inline-block;
  margin-block: -15px;
  padding-block: 15px;
}

[data-state="loading"] .live-status::before {
  width: 12px;
  height: 12px;
  flex: none;
  border: 2px solid var(--mint);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  content: "";
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule-on-ink);
}

.stats > div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 10px;
  padding: 24px 24px 0;
  border-left: 1px solid var(--rule-on-ink);
}

.stats > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.stats dd {
  font-family: var(--font-display);
  font-size: clamp(56px, 6vw, 84px);
  font-weight: 900;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.stats dd.mint {
  color: var(--mint);
}

.stats dt {
  color: var(--on-ink-3);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  text-transform: uppercase;
}

.soon {
  padding: 20px 22px;
  border: 1px solid var(--rule-on-ink);
  border-radius: 14px;
  color: var(--on-ink-2);
}

.soon strong {
  color: var(--on-ink);
}

.alert {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--warn-border);
  border-radius: 14px;
  background: var(--warn-soft);
  color: var(--text);
}

.alert > .icon {
  margin-top: 3px;
  color: var(--warn);
}

.alert p + p {
  margin-top: 4px;
}

.alert a {
  color: var(--ink);
}

.alert a[href]:hover {
  color: var(--red);
}

.alert .btn {
  margin-top: 12px;
}

.alert a:focus-visible,
.alert .btn:focus-visible {
  outline-color: var(--ink);
}

.contracts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--rule-on-ink);
}

.contracts .eyebrow {
  color: var(--on-ink-3);
}

.contracts dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: 8px 32px;
  font-size: 13px;
}

.contracts dl > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 14px;
}

.contracts dt {
  color: var(--on-ink-3);
}

.contracts dd a {
  display: inline-block;
  padding-block: 12px;
  word-break: break-all;
}

.ledger .fine {
  color: var(--on-ink-3);
  font-size: 13px;
}

/* For AI agents */

.agents {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(460px, 100%), 1fr));
  gap: 40px 48px;
  align-items: center;
}

.agents .lede {
  font-size: 18px;
}

.agents .more {
  align-self: flex-start;
}

.code {
  max-width: 100%;
  padding: 26px;
  overflow-x: auto;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--rule);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.8;
}

.code code {
  font-size: inherit;
}

.code.yaml {
  background: linear-gradient(135deg, var(--paper), var(--paper-2));
  box-shadow: none;
  padding: 24px;
  font-size: 13px;
  line-height: 1.9;
}

.code .comment {
  color: var(--text-3);
}

/* FAQ */

.faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 900px;
}

.faq {
  border-top: 2px solid var(--ink);
}

.faq details {
  border-bottom: 1px solid var(--rule-2);
}

.faq details:last-child {
  border-bottom: 2px solid var(--ink);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 18px 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  color: var(--ink);
}

.plus {
  flex: none;
  font-size: 22px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq details[open] .plus {
  transform: rotate(45deg);
}

.faq details p {
  padding-bottom: 22px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Install */

.install-section {
  padding-bottom: clamp(72px, 9vw, 120px);
}

.install {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr));
  gap: 40px 48px;
  align-items: center;
  padding: clamp(28px, 6vw, 72px);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--rule);
}

@media (min-width: 1000px) {
  .install,
  .agents {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }
}

.install .head {
  gap: 22px;
}

.install-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 22px;
  font-size: 17px;
  line-height: 1.5;
  list-style: decimal;
}

.install-steps li::marker {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* Footer */

.foot {
  border-top: 1px solid var(--rule);
}

.foot-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-block: 32px;
}

.foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}

.brand.small {
  gap: 10px;
  font-size: 20px;
}

.brand.small img {
  width: 36px;
  height: 36px;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  font-size: 12px;
}

.foot-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.trademark {
  color: var(--text-3);
  font-size: 11px;
  line-height: 1.6;
}

/* Narrower screens */

@media (max-width: 1100px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .stats > div:nth-child(n + 3) {
    padding-top: 28px;
  }
}

/* Five section links need about 1000 px beside the logo and Install; below that, the page keeps those two. */
@media (max-width: 999px) {
  .top-nav {
    display: none;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 16px;
    --header-height: 58px;
  }

  .brand {
    font-size: 22px;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .hero-title {
    font-size: clamp(50px, 14.5vw, 96px);
  }

  .hero-title .green {
    display: block;
  }

  .clauses li {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .clause-result {
    grid-column: 2;
    font-size: 32px;
  }

  .exhibit {
    padding: 24px;
  }

  .event-row {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 6px;
  }
}

@media (max-width: 480px) {
  .stats > div {
    padding-right: 0;
    padding-left: 16px;
  }

  .actions .btn {
    flex: 1 1 100%;
  }

  .install .actions .more {
    flex: 1 1 100%;
  }
}

/* Small phones: a tighter hero, so the Built on row fits the first screen. */
@media (max-width: 400px) {
  .hero {
    padding-top: 8px;
  }

  .hero-grid {
    gap: 18px;
  }

  .hero-head {
    gap: 12px;
  }

  .hero-copy {
    gap: 14px;
  }

  .problem-line {
    font-size: 13px;
    line-height: 1.45;
  }

  .hero-title {
    font-size: clamp(44px, 12.8vw, 52px);
  }

  .hero-copy .lede {
    font-size: 17px;
    line-height: 1.45;
  }
}

/* Motion: the card's float, holo and sheen, the stamp and every transition stop when asked. */

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

  .cert-float,
  .cert-holo::before,
  .cert-sheen,
  .step-stamp,
  [data-state="loading"] .live-status::before {
    animation: none;
  }

  .cert-sheen {
    display: none;
  }

  .btn,
  .exhibit,
  .plus {
    transition: none;
  }
}