:root {
  --mint: #25d695;
  --mint-hot: #26d990;
  --aqua: #abf4c3;
  --sea: #09c68d;
  --meadow: #1dc982;
  --riptide: #7de8bc;
  --aero: #d6f5e8;
  --teal: #00484e;
  --jungle: #173236;
  --ink: #1c1c1c;
  --ink-2: #1c212b;
  --cream: #fffbf0;
  --cool: #ebf1f4;
  --muted: #4b6875;
  --line: #1c1c1c;
  --white: #ffffff;
  --font: "Rethink Sans", "Noto Sans JP", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --radius: 0.5rem;
  --max: 72rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  color: var(--ink-2);
  background: var(--white);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--jungle);
  outline-offset: 3px;
}

section[id],
h2[id],
.docs-content h2 {
  scroll-margin-top: 5.75rem;
}

button,
input,
select {
  font: inherit;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--jungle);
  color: var(--white);
  padding: 0.5rem 0.8rem;
  border-radius: 0.4rem;
  z-index: 100;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: 100%;
  max-width: calc(var(--max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--mint) 92%, transparent);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

.nav-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.nav-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 3px solid var(--ink);
  background: var(--mint);
  border-radius: 0.4rem;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--ink);
  position: relative;
  margin: 0 auto;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -5px;
}

.nav-toggle span::after {
  top: 5px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 3px solid transparent;
  border-radius: var(--radius);
  padding: 1rem 1.35rem;
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.btn-primary:hover {
  background: var(--jungle);
  border-color: var(--jungle);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

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

.btn-light {
  background: var(--white);
  color: var(--teal);
  border-color: var(--teal);
}

.btn-light:hover {
  background: var(--jungle);
  color: var(--white);
  border-color: var(--jungle);
}

.btn-on-mint {
  background: var(--teal);
  color: var(--white);
}

/* Hero */

.hero {
  background: var(--mint) url("/images/grid.svg");
  padding: 4.5rem 0 8.5rem;
  overflow-x: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--jungle);
  color: var(--mint);
  padding: 0.28rem 0.55rem;
  border-radius: 0.3rem;
  margin-bottom: 1.1rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.15rem, 8vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--ink);
  max-width: 14ch;
  text-wrap: balance;
}

.hero-lead {
  margin: 1.25rem 0 2.2rem;
  max-width: min(36rem, 100%);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--ink-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.scan-card {
  background: var(--cream);
  border: 3px solid var(--ink);
  border-radius: 0.85rem;
  box-shadow: 8px 10px 0 var(--jungle);
  overflow: hidden;
}

.scan-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-bottom: 3px solid var(--ink);
  background: var(--white);
}

.dots {
  display: flex;
  gap: 0.35rem;
}

.dots i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  border: 2px solid var(--ink);
  display: block;
}

.dots i:nth-child(1) { background: #ff8077; }
.dots i:nth-child(2) { background: #ffc624; }
.dots i:nth-child(3) { background: var(--mint); }

.scan-status {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--teal);
  white-space: nowrap;
}

.scan-body {
  padding: 1.1rem 1.15rem 1.2rem;
}

.scan-row {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 0.6rem;
  padding: 0.38rem 0;
  font-size: 0.95rem;
}

.scan-row dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.2rem;
}

.scan-row dd {
  margin: 0;
  font-weight: 600;
  color: var(--ink);
}

.scan-row dd.ok {
  color: #147a3e;
}

.scan-samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.85rem 1rem 1rem;
  border-top: 3px solid var(--ink);
  background: var(--aero);
}

.chip {
  border: 2px solid var(--ink);
  background: var(--white);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.chip[aria-pressed="true"] {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

/* Audience cards */

.audience {
  margin-top: -5.5rem;
  padding-bottom: 4rem;
  position: relative;
  z-index: 2;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

@media (min-width: 961px) {
  .audience-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .audience-grid .card {
    grid-column: span 2;
  }

  .audience-grid .card:nth-child(4) {
    grid-column: 2 / span 2;
  }

  .audience-grid .card:nth-child(5) {
    grid-column: 4 / span 2;
  }
}

.card {
  background: var(--white);
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

@media (hover: hover) {
  .card:hover {
    transform: translate(-2px, -4px);
    box-shadow: 6px 8px 0 var(--jungle);
  }
}

.card-media {
  height: 13.5rem;
  overflow: hidden;
  border-bottom: 3px solid var(--ink);
  background: var(--aero);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1.35rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.card p {
  margin: 0 0 1.2rem;
  color: var(--ink-2);
  flex: 1;
}

.card-links {
  display: flex;
  gap: 1rem;
  font-weight: 600;
}

.card-links a {
  text-underline-offset: 0.2rem;
}

.card-links a:hover {
  color: var(--teal);
}

/* Sections */

.section {
  padding: 5.5rem 0;
}

.section h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.85rem, 6vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-lead {
  margin: 0 0 2.4rem;
  max-width: 38rem;
  font-size: 1.15rem;
}

.center {
  text-align: center;
}

.center .section-lead {
  margin-inline: auto;
}

.mint {
  background: var(--aqua);
}

.cool {
  background: var(--cool);
}

.jungle {
  background: var(--jungle);
  color: var(--cream);
}

.api-split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.api-split > *,
.hero-grid > *,
.audience-grid,
.card,
.scan-card,
.shot-frame,
.code-panel {
  min-width: 0;
  max-width: 100%;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.4rem 0 1.8rem;
}

.pill {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
}

.code-panel {
  background: var(--jungle);
  color: var(--aero);
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 8px 10px 0 var(--mint);
}

.code-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid color-mix(in srgb, var(--mint) 35%, transparent);
}

.code-tabs button {
  background: transparent;
  color: var(--riptide);
  border: 0;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.code-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--mint);
  font-weight: 600;
}

.code-panel pre {
  margin: 0;
  padding: 1.2rem 1.25rem 1.4rem;
  overflow-x: auto;
  max-width: 100%;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
}

.code-panel .kw { color: var(--mint); }
.code-panel .str { color: #ffe18a; }
.code-panel .cm { color: #7aa3ab; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.step {
  background: var(--white);
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  padding: 1.4rem;
}

.step-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 0.7rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.step p {
  margin: 0;
}

.shot {
  padding: 4.5rem 0 2rem;
}

.shot-frame {
  border: 3px solid var(--ink);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--aero);
  box-shadow: 10px 12px 0 var(--jungle);
}

.shot-frame img {
  width: 100%;
  height: auto;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.stat {
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  padding: 1.4rem 1.1rem;
  background: var(--white);
  text-align: center;
}

.stat b {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.stat span {
  display: block;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.cta-band {
  background: var(--mint) url("/images/grid.svg");
  text-align: center;
  padding: 6.5rem 0;
}

.cta-band h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.85rem, 7vw, 3rem);
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.cta-band p {
  margin: 0 0 1.8rem;
  font-size: 1.2rem;
}

/* Footer */

.footer {
  background: var(--jungle);
  color: var(--aero);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer a {
  color: var(--cream);
  text-decoration: none;
}

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

.footer h3 {
  margin: 0 0 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mint);
}

.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer li {
  margin: 0.45rem 0;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--cream);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.legal {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid color-mix(in srgb, var(--mint) 25%, transparent);
  color: #9fbbc6;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Docs */

.docs-layout {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 2.5rem;
  padding: 3rem 0 5rem;
}

.docs-toc {
  position: sticky;
  top: 5.5rem;
  align-self: start;
}

.docs-toc a {
  display: block;
  text-decoration: none;
  padding: 0.35rem 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.docs-toc a:hover,
.docs-toc a.active {
  color: var(--teal);
}

.nav-links a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.docs-content h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
}

.docs-content h2 {
  margin: 2.4rem 0 0.7rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.docs-content h3 {
  margin: 1.4rem 0 0.5rem;
  font-size: 1.1rem;
}

.docs-content p,
.docs-content li {
  max-width: 44rem;
}

.docs-content code,
.endpoint {
  font-family: var(--mono);
  font-size: 0.86em;
}

.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--aero);
  border: 2px solid var(--ink);
  border-radius: 0.4rem;
  padding: 0.35rem 0.6rem;
  margin: 0.4rem 0 0.8rem;
}

.method {
  background: var(--teal);
  color: var(--white);
  border-radius: 0.25rem;
  padding: 0.1rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
}

.docs-content pre {
  background: var(--jungle);
  color: var(--aero);
  border-radius: 0.6rem;
  padding: 1rem 1.1rem;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  border: 3px solid var(--ink);
}

.table-wrap {
  overflow: auto;
  margin: 1rem 0 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid #dfe8ec;
  vertical-align: top;
}

th {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Modal */

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: color-mix(in srgb, var(--jungle) 55%, transparent);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-card {
  width: min(28rem, 100%);
  background: var(--cream);
  border: 3px solid var(--ink);
  border-radius: 0.85rem;
  padding: 1.5rem;
  box-shadow: 10px 12px 0 var(--mint);
}

.modal-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
}

.modal-card p {
  margin: 0 0 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
}

.field label {
  font-weight: 600;
  font-size: 0.9rem;
}

.field input {
  border: 2px solid var(--ink);
  border-radius: 0.4rem;
  padding: 0.7rem 0.75rem;
  background: var(--white);
}

.modal-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.success {
  background: var(--aero);
  border: 2px solid var(--ink);
  border-radius: 0.5rem;
  padding: 0.8rem;
  font-weight: 600;
}

/* Mobile */

@media (max-width: 960px) {
  .hero {
    padding: 3rem 0 7rem;
  }

  .hero-grid,
  .api-split,
  .audience-grid,
  .steps,
  .stats,
  .footer-grid,
  .docs-layout {
    grid-template-columns: 1fr;
  }

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

  .audience-grid .card,
  .audience-grid .card:nth-child(4),
  .audience-grid .card:nth-child(5) {
    grid-column: auto;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 4.5rem;
    background: var(--mint);
    border-bottom: 3px solid var(--ink);
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem var(--gutter) 1.2rem;
    gap: 0.4rem;
  }

  .nav.open .nav-links {
    display: flex;
  }

  .nav-links .btn {
    width: fit-content;
  }

  .hero h1 {
    max-width: none;
  }

  .docs-toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--cool);
  }

  .card-media {
    height: 16rem;
  }
}

@media (max-width: 640px) {
  .scan-row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
    padding: 0.5rem 0;
  }

  .hero-actions,
  .modal-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

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

  .stat span {
    font-size: 0.82rem;
  }

  .legal {
    flex-direction: column;
  }

  .hero h1 {
    max-width: none;
  }

  .scan-card-top {
    flex-wrap: wrap;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .cta-band .btn {
    width: min(100%, 20rem);
  }

  .scan-status {
    display: none;
  }
}

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

  * {
    transition: none !important;
  }
}