:root {
  --ink: #080a14;
  --paper: #ffffff;
  --canvas: #f4f6fb;
  --soft: #eef1f7;
  --line: #d8ddea;
  --line-strong: #bfc6d8;
  --muted: #626a7a;
  --indigo: #403fce;
  --indigo-soft: #eeefff;
  --mint: #0a835b;
  --mint-soft: #ddf8ed;
  --amber: #9a5a00;
  --amber-soft: #fff2d7;
  --font-ui: "Geist", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  --header-height: 72px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

html,
body {
  font-family: var(--font-ui);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
}

h1,
h2,
h3,
p,
figure,
ol {
  margin: 0;
}

.section-shell {
  width: min(100%, 1486px);
  margin: 0 auto;
  padding-inline: 58px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-height);
  padding: 0 max(32px, calc((100vw - 1486px) / 2 + 58px));
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 20px;
  font-weight: 720;
}

.brand img,
.footer-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 620;
}

.desktop-nav a,
.footer-links a {
  position: relative;
}

.desktop-nav a::after,
.footer-links a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.footer-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 10px;
}

.merchant-link,
.platform-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 17px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 650;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.merchant-link:hover {
  background: var(--paper);
  border-color: var(--ink);
}

.platform-link {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.platform-link:hover {
  background: var(--indigo);
  border-color: var(--indigo);
}

.site-menu {
  position: relative;
  display: none;
}

.site-menu summary {
  display: grid;
  min-width: 42px;
  min-height: 42px;
  padding: 0 10px;
  place-items: center;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  cursor: pointer;
  list-style: none;
}

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

.menu-glyph {
  font-size: 12px;
  font-weight: 700;
}

.menu-overlay {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 99;
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr auto;
  gap: 48px;
  padding: 48px max(32px, calc((100vw - 1486px) / 2 + 58px)) 36px;
  overflow-y: auto;
  background: var(--canvas);
  border-top: 1px solid var(--line);
}

.menu-links,
.menu-utility {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.menu-links a {
  font-size: 58px;
  font-weight: 620;
  line-height: 1.18;
}

.menu-utility {
  gap: 18px;
  padding-top: 10px;
  font-size: 20px;
  font-weight: 560;
}

.menu-links a:hover,
.menu-utility a:hover {
  color: var(--indigo);
}

.menu-overlay > p {
  grid-column: 1 / -1;
  padding-top: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 620px) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  min-height: 510px;
  padding-top: 28px;
  padding-bottom: 24px;
}

.hero-copy {
  padding-left: 62px;
}

.eyebrow,
.ledger-header,
.ledger-number,
.proof-strip article span,
.architecture-grid article > span,
.market-grid figcaption > span,
.token-detail span,
.plan-grid li > span {
  color: var(--indigo);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 650px;
  margin-top: 22px;
  font-size: 50px;
  font-weight: 660;
  line-height: 1.06;
}

.hero-copy h1 span {
  color: var(--indigo);
}

.hero-intro {
  max-width: 600px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  font-size: 15px;
  font-weight: 680;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

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

.button-secondary {
  background: rgba(255, 255, 255, 0.64);
}

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

.evidence-ledger {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(39, 47, 80, 0.1);
}

.ledger-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 20px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.live-status {
  margin-left: 10px;
  color: var(--mint);
}

.ledger-group {
  padding: 13px 18px 0;
}

.ledger-group:last-child {
  padding-bottom: 15px;
}

.ledger-label {
  font-size: 13px;
  font-weight: 700;
}

.ledger-label.current {
  color: var(--indigo);
}

.ledger-label.building {
  color: var(--amber);
}

.ledger-label.direction {
  color: var(--muted);
}

.ledger-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 46px;
  margin-top: 6px;
  padding: 6px 10px;
  background: rgba(248, 249, 252, 0.86);
  border: 1px solid var(--line);
  border-radius: 7px;
}

.ledger-row + .ledger-row {
  margin-top: 6px;
}

.ledger-row-tall {
  min-height: 58px;
}

.ledger-number {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.ledger-row strong {
  min-width: 0;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

.status {
  min-width: 62px;
  padding: 5px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.status-current {
  background: var(--mint-soft);
  color: var(--mint);
  border-color: #b9edd9;
}

.status-building {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: #f0d9a4;
}

.status-neutral {
  background: var(--soft);
  color: var(--muted);
  border-color: var(--line);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.proof-strip article {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 16px 22px;
}

.proof-icon {
  width: 38px;
  height: 38px;
}

.proof-strip article + article {
  border-left: 1px solid var(--line);
}

.proof-strip strong,
.proof-strip p {
  display: block;
}

.proof-strip strong {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 680;
}

.proof-strip p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.product-proof,
.thesis,
.markets,
.plan,
.company {
  padding-top: 112px;
  padding-bottom: 112px;
}

.product-proof {
  padding-top: 8px;
  padding-bottom: 48px;
}

.section-heading,
.thesis,
.token-layout,
.onboarding,
.company {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 80px;
  align-items: end;
}

.section-heading h2,
.thesis h2,
.architecture h2,
.token-hub h2,
.onboarding h2,
.company h2 {
  max-width: 760px;
  margin-top: 20px;
  font-size: 50px;
  font-weight: 660;
  line-height: 1.08;
}

.section-heading > p,
.thesis-copy,
.company-summary,
.onboarding-copy {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.platform-frame {
  overflow: hidden;
  margin-top: 60px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(39, 47, 80, 0.1);
}

.product-proof .platform-frame {
  height: 222px;
  margin-top: 0;
}

.product-proof .platform-frame img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: initial;
  transform: scale(0.88);
  transform-origin: top center;
}

.platform-frame img {
  width: 100%;
  max-height: 700px;
  object-fit: contain;
  object-position: top;
}

.platform-frame figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 650;
}

.thesis {
  align-items: start;
  border-top: 1px solid var(--line);
}

.thesis-copy p + p {
  margin-top: 22px;
}

.architecture {
  padding: 112px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.architecture-grid article {
  min-width: 0;
  min-height: 210px;
  padding: 28px 24px;
}

.architecture-grid article + article {
  border-left: 1px solid var(--line);
}

.architecture-grid strong,
.architecture-grid p {
  display: block;
}

.architecture-grid strong {
  margin-top: 44px;
  font-size: 21px;
  font-weight: 680;
}

.architecture-grid p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 64px;
}

.market-grid figure {
  min-width: 0;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.market-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--line);
}

.market-grid figcaption {
  padding: 24px;
}

.market-grid figcaption strong,
.market-grid figcaption p {
  display: block;
}

.market-grid figcaption strong {
  margin-top: 20px;
  font-size: 23px;
  font-weight: 680;
}

.market-grid figcaption p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.65;
}

.token-hub,
.onboarding,
.site-footer {
  background: var(--ink);
  color: var(--paper);
}

.token-layout {
  align-items: start;
  padding-top: 112px;
  padding-bottom: 112px;
}

.eyebrow.light {
  color: #83dfbd;
}

.token-detail {
  border-top: 1px solid #343846;
}

.token-detail > div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px 20px;
  padding: 26px 0;
  border-bottom: 1px solid #343846;
}

.token-detail span {
  grid-row: 1 / 3;
  color: #83dfbd;
}

.token-detail strong {
  font-size: 20px;
  font-weight: 650;
}

.token-detail p {
  color: #aeb4c2;
  line-height: 1.68;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 64px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  list-style: none;
}

.plan-grid li {
  min-width: 0;
  min-height: 240px;
  padding: 28px;
}

.plan-grid li + li {
  border-left: 1px solid var(--line);
}

.plan-grid strong,
.plan-grid p {
  display: block;
}

.plan-grid strong {
  margin-top: 58px;
  font-size: 22px;
  font-weight: 680;
}

.plan-grid p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.65;
}

.onboarding {
  width: min(calc(100% - 80px), 1280px);
  margin-bottom: 112px;
  padding: 64px;
  border-radius: 8px;
}

.onboarding-copy {
  align-self: end;
  color: #bdc2cf;
}

.button-light {
  margin-top: 28px;
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.button-light:hover {
  background: var(--indigo-soft);
  border-color: var(--indigo-soft);
}

.company {
  align-items: start;
  border-top: 1px solid var(--line);
}

.company-summary {
  max-width: 600px;
  margin-top: 30px;
}

.company-list {
  border-top: 1px solid var(--line-strong);
}

.company-list > div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 7px 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.company-list span {
  grid-row: 1 / 3;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.company-list strong {
  font-size: 18px;
  font-weight: 680;
}

.company-list p {
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  padding: 54px max(32px, calc((100vw - 1486px) / 2 + 58px)) 32px;
  border-top: 1px solid #343846;
}

.footer-brand img {
  filter: grayscale(1) brightness(4);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  font-size: 13px;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  gap: 22px;
  padding-top: 22px;
  color: #858b99;
  border-top: 1px solid #343846;
  font-size: 11px;
}

@media (width <= 1120px) {
  .desktop-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-menu {
    display: block;
  }

  .hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
    gap: 38px;
  }

  .hero-copy {
    padding-left: 0;
  }

  .hero-copy h1 {
    font-size: 48px;
  }

  .proof-strip article {
    padding-inline: 16px;
  }

  .section-heading,
  .thesis,
  .token-layout,
  .onboarding,
  .company {
    gap: 48px;
  }

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

  .architecture-grid article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .architecture-grid article:nth-child(4) {
    border-top: 1px solid var(--line);
  }
}

@media (width <= 960px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: 0;
    padding-top: 56px;
    padding-bottom: 48px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-copy h1 {
    max-width: 680px;
    font-size: 46px;
  }

  .evidence-ledger {
    width: 100%;
  }
}

@media (width <= 760px) {
  :root {
    --header-height: 64px;
  }

  .section-shell {
    padding-inline: 20px;
  }

  .site-header {
    height: var(--header-height);
    padding: 0 16px;
  }

  .brand {
    font-size: 17px;
  }

  .brand img {
    width: 24px;
    height: 24px;
  }

  .header-actions {
    gap: 7px;
  }

  .platform-link {
    display: none;
  }

  .merchant-link {
    min-height: 38px;
    padding: 0 12px;
    font-size: 12px;
  }

  .site-menu summary {
    min-width: 38px;
    min-height: 38px;
    padding: 0 8px;
  }

  .menu-overlay {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    gap: 30px;
    padding: 30px 20px 24px;
  }

  .menu-links a {
    font-size: 40px;
    line-height: 1.38;
  }

  .menu-utility {
    gap: 14px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    font-size: 20px;
  }

  .menu-overlay > p {
    align-self: end;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 46px;
    min-height: 0;
    padding-top: 64px;
    padding-bottom: 46px;
  }

  .hero-copy h1 {
    margin-top: 20px;
    font-size: 36px;
    line-height: 1.08;
  }

  .hero-intro {
    margin-top: 26px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 28px;
  }

  .hero-actions .button:first-child {
    grid-column: 1 / -1;
  }

  .button {
    min-height: 48px;
    padding: 0 14px;
    font-size: 13px;
  }

  .evidence-ledger {
    box-shadow: 0 18px 50px rgba(39, 47, 80, 0.08);
  }

  .ledger-header {
    align-items: flex-start;
    padding: 16px;
    font-size: 9px;
  }

  .live-status {
    display: block;
    margin: 4px 0 0;
  }

  .ledger-group {
    padding: 16px 12px 0;
  }

  .ledger-group:last-child {
    padding-bottom: 14px;
  }

  .ledger-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
    padding: 9px;
  }

  .ledger-number {
    width: 28px;
    height: 28px;
  }

  .ledger-row strong {
    font-size: 13px;
  }

  .status {
    grid-column: 2;
    justify-self: start;
    min-width: 0;
  }

  .proof-strip {
    grid-template-columns: 1fr 1fr;
    padding-inline: 20px;
  }

  .proof-strip article {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
    padding: 22px 14px;
  }

  .proof-icon {
    width: 30px;
    height: 30px;
  }

  .proof-strip article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .proof-strip article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .product-proof,
  .thesis,
  .markets,
  .plan,
  .company {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .product-proof {
    padding-top: 24px;
    padding-bottom: 72px;
  }

  .product-proof .platform-frame {
    height: 310px;
  }

  .product-proof .platform-frame img {
    height: 100%;
    min-height: 0;
    object-fit: cover;
    object-position: 20% top;
    transform: none;
  }

  .section-heading,
  .thesis,
  .token-layout,
  .company {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .section-heading h2,
  .thesis h2,
  .architecture h2,
  .token-hub h2,
  .onboarding h2,
  .company h2 {
    margin-top: 16px;
    font-size: 36px;
    line-height: 1.1;
  }

  .section-heading > p,
  .thesis-copy,
  .company-summary,
  .onboarding-copy {
    font-size: 15px;
  }

  .platform-frame {
    margin-top: 40px;
  }

  .platform-frame img {
    min-height: 290px;
    object-fit: cover;
    object-position: 20% top;
  }

  .platform-frame figcaption {
    flex-direction: column;
    gap: 4px;
    padding: 12px 14px;
    font-size: 9px;
  }

  .architecture {
    padding: 78px 0;
  }

  .architecture-grid {
    grid-template-columns: 1fr;
    margin-top: 44px;
  }

  .architecture-grid article {
    min-height: 0;
    padding: 24px 0;
  }

  .architecture-grid article + article,
  .architecture-grid article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .architecture-grid strong {
    margin-top: 26px;
  }

  .market-grid {
    grid-template-columns: 1fr;
    margin-top: 44px;
  }

  .market-grid figcaption {
    padding: 20px;
  }

  .token-layout {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .token-detail > div {
    grid-template-columns: 1fr;
  }

  .token-detail span {
    grid-row: auto;
  }

  .plan-grid {
    grid-template-columns: 1fr;
    margin-top: 44px;
  }

  .plan-grid li {
    min-height: 0;
    padding: 26px 0;
  }

  .plan-grid li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .plan-grid strong {
    margin-top: 34px;
  }

  .onboarding {
    grid-template-columns: 1fr;
    width: calc(100% - 40px);
    gap: 34px;
    margin-bottom: 78px;
    padding: 40px 24px;
  }

  .button-light {
    width: 100%;
  }

  .company-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .company-list span {
    grid-row: auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 44px 20px 28px;
  }

  .footer-links {
    gap: 18px;
  }

  .footer-meta {
    grid-column: 1;
    flex-direction: column;
    gap: 6px;
  }
}

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

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