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

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

html {
  background: var(--bg-page);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text-main);
  background: var(--bg-page);
  min-height: 100dvh;
}

::selection {
  background: var(--brand-blue);
  color: #ffffff;
}

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

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

button,
input,
select {
  font: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: var(--track-display);
  line-height: 1.1;
  margin: 0;
}

p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--brand-blue);
  color: #ffffff;
}

.skip-link:focus {
  top: 1rem;
}

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

.wrap {
  width: min(var(--container), calc(100% - 2 * var(--pad-x)));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  height: var(--header-height);
  padding: var(--header-offset) 0;
  background: var(--bg-page);
}

.header-bar {
  height: var(--header-bar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0.45rem 0 1.1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: var(--touch-min);
  z-index: var(--z-toggle);
  color: var(--text-main);
}

.brand-loop {
  height: 20px;
  width: auto;
  flex: 0 0 auto;
}

.brand-loop-a,
.brand-loop-b {
  fill: none;
}

.brand-loop-a {
  stroke: #2563eb;
}

.brand-loop-b {
  stroke: #0b1528;
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.04em;
  text-transform: lowercase;
  color: #0b1528;
}

.header-cta {
  margin-left: auto;
  z-index: var(--z-toggle);
}

.menu-toggle {
  display: none;
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-main);
  cursor: pointer;
  z-index: var(--z-toggle);
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--touch-min);
}

.menu-toggle-box {
  position: relative;
  display: block;
  width: 20px;
  height: 14px;
}

.menu-toggle-bar {
  position: absolute;
  left: 0;
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s var(--ease), top 0.2s var(--ease), opacity 0.2s var(--ease);
}

.menu-toggle-bar:nth-child(1) { top: 0; }
.menu-toggle-bar:nth-child(2) { top: 6px; }
.menu-toggle-bar:nth-child(3) { top: 12px; }

body.is-nav-open .menu-toggle-bar:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

body.is-nav-open .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

body.is-nav-open .menu-toggle-bar:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

.nav-overlay {
  display: none;
}

#site-nav {
  position: fixed;
  top: var(--header-offset);
  left: 50%;
  transform: translateX(-50%);
  height: var(--header-bar);
  z-index: calc(var(--z-header) + 1);
  display: flex;
  align-items: center;
  pointer-events: none;
}

#site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.2vw, 1.85rem);
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: auto;
}

#site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-min);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-cta {
  display: none;
}

body.is-nav-open {
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.94rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn-ink,
.btn-cta.btn-ink {
  background: var(--text-main);
  color: #ffffff;
  border-color: var(--text-main);
}

.btn-light,
.btn-cta.btn-light {
  background: #ffffff;
  color: var(--text-main);
  border-color: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-cta {
  min-height: var(--touch-min);
  padding: 12px 22px;
  font-weight: 600;
}

.hero {
  padding: calc(var(--header-height) + 2rem) 0 4rem;
  overflow: visible;
}

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

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  min-width: 0;
  text-align: left;
}

.hero h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  color: var(--text-main);
}

.hero-lead {
  max-width: 40rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 380px;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 6% 8%;
  z-index: -1;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-stage img {
  width: 100%;
  max-width: 580px;
  height: auto;
  transform: scale(1.18);
  transform-origin: center right;
  filter: drop-shadow(0 32px 50px rgba(11, 21, 40, 0.18));
}

.chapter {
  padding: var(--section-y) 0 0;
}

.chapter-head {
  max-width: 38rem;
  margin: 0 auto 2.4rem;
  text-align: center;
}

.chapter h2,
.networks-panel h2,
.networks-inner h2,
.band-blue h2,
.preorder-card h2,
.split-audience h2,
.split-faq h2 {
  font-size: var(--fs-h2);
  color: var(--text-main);
}

.chapter-head p {
  margin-top: 0.85rem;
  color: var(--text-muted);
}

.section-center-head {
  max-width: 42rem;
  margin: 0 auto 2.6rem;
  text-align: center;
}

.display-headline {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.display-sub {
  margin-top: 0.9rem;
  color: var(--text-muted);
}

.widget-feature-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.widget-stage {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.swap-widget {
  width: min(100%, 280px);
  padding: 1.2rem 1.15rem 1.25rem;
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(11, 21, 40, 0.12);
}

.swap-widget p {
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
}

.swap-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.swap-row strong {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.35rem;
}

.swap-dark {
  position: absolute;
  left: 4%;
  top: 12%;
  transform: rotate(-8deg) scale(0.92);
  background: #111827;
  color: rgba(255, 255, 255, 0.72);
  z-index: 1;
}

.swap-dark .swap-row strong,
.swap-blue .swap-row strong {
  color: #ffffff;
}

.swap-light {
  position: relative;
  z-index: 3;
  background: #ffffff;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.swap-light .swap-row strong {
  color: var(--text-main);
}

.swap-blue {
  position: absolute;
  right: 2%;
  bottom: 8%;
  transform: rotate(7deg) scale(0.92);
  background: #2563eb;
  color: rgba(255, 255, 255, 0.8);
  z-index: 2;
}

.widget-copy h2 {
  margin-bottom: 0.75rem;
}

.widget-copy > p {
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}

.check-list {
  display: grid;
  gap: 1rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: flex-start;
}

.check-dot {
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border-radius: 50%;
  background: var(--text-main);
  position: relative;
  flex: 0 0 22px;
}

.check-dot::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 5px;
  width: 6px;
  height: 10px;
  border-right: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(40deg);
}

.check-list h3 {
  font-size: 1.02rem;
  margin-bottom: 0.25rem;
}

.check-list p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: var(--touch-min);
  font-weight: 700;
  color: var(--text-main);
}

.duo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.duo-grid-follow {
  margin-top: 1.25rem;
}

.duo-card {
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 2.5rem;
  border-radius: var(--radius-duo);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.duo-wide {
  margin-top: 1.25rem;
}

.duo-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.duo-card h3 {
  font-size: var(--fs-h3);
  font-weight: 800;
}

.duo-card > p {
  color: var(--text-muted);
}

.duo-arrow {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--brand-blue);
  color: #ffffff;
  font-size: 1.15rem;
  line-height: 1;
}


.vault-widget,
.sign-widget {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.6rem;
  padding: 1rem;
  border-radius: 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
}

.vault-row,
.sign-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 64px;
  padding: 0.85rem 1.1rem;
  border-radius: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.vault-row span,
.sign-row span:nth-child(2) {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.vault-row strong,
.sign-row strong {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.status-ok {
  color: var(--brand-blue);
}

.sign-row {
  justify-content: flex-start;
}

.sign-row strong {
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--brand-blue);
}

.coin-badge {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
}

.coin-btc { background: #d97706; }
.coin-eth { background: #2563eb; }
.coin-more { background: var(--text-main); }

.chapter-networks {
  height: 260vh;
  position: relative;
  padding: 0;
}

.networks-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  text-align: center;
  padding: 0;
}

.networks-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.globe-stage {
  position: relative;
  width: 100%;
  max-width: 42rem;
  margin: 0 auto 1.5rem;
}

.globe-art {
  display: block;
  width: min(360px, 78vw);
  height: min(360px, 78vw);
  margin: 0 auto;
  object-fit: cover;
  border: none;
  border-radius: 50%;
  clip-path: circle(49% at 50% 50%);
  box-shadow: none;
  filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.2));
  will-change: transform;
}

.globe-rays {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.globe-rays line {
  stroke: rgba(37, 99, 235, 0.2);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  stroke-linecap: round;
}

.globe-rays line.is-active {
  stroke: rgba(37, 99, 235, 0.45);
  stroke-dasharray: none;
}

.chain-track {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 1.6rem 0 1.35rem;
}

.chain-row {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: center;
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  will-change: transform;
}

.chain-item {
  width: 54px;
  height: 54px;
  padding: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #0b1528;
  color: #ffffff;
  border: 2px solid transparent;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transform: scale(1);
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease, border-color 0.25s ease;
}

.chain-item.is-active {
  transform: scale(1.25);
  box-shadow: 0 8px 20px rgba(11, 21, 40, 0.15);
  border: 2px solid #2563eb;
}

.chain-indicator {
  position: absolute;
  left: 50%;
  bottom: 0.15rem;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 8px solid #2563eb;
  transform: translateX(-50%);
  pointer-events: none;
}

.chain-caption {
  margin: 0.15rem 0 0;
  min-height: 1.4em;
  color: #2563eb;
  font-size: 0.9rem;
  font-weight: 600;
}

.networks-inner h2 {
  max-width: 16ch;
  margin: 0 auto;
}

.networks-inner > p {
  max-width: 36rem;
  margin: 0.9rem auto 0;
  color: var(--text-muted);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 3rem auto 0;
}

.benefit-card {
  min-width: 0;
  height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 2rem 0;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 30px rgba(11, 21, 40, 0.03);
  overflow: hidden;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.benefit-copy h3 {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.25;
  color: #0b1528;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.benefit-copy p {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.5;
}

.benefit-copy h3 + p + h3 {
  font-size: 1.05rem;
  margin: 1rem 0 0.4rem;
}

.picker-stage,
.chip-stage,
.orbit-stage {
  flex: 1;
  position: relative;
  margin: 1.1rem -2rem 0;
  min-height: 0;
  overflow: hidden;
}

.picker-stage {
  display: flex;
  align-items: flex-end;
  padding: 1.5rem 1.15rem 0;
  background:
    radial-gradient(120% 90% at 80% 110%, rgba(196, 181, 253, 0.55), transparent 55%),
    linear-gradient(180deg, #ffffff 8%, #dbeafe 48%, #e9d5ff 100%);
}

.picker-sheet {
  width: 100%;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(11, 21, 40, 0.1);
  padding: 0.35rem;
  transform: translateY(28%);
}

.picker-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #0b1528;
}

.picker-row:first-child {
  background: #f8fafc;
}

.coin-ico {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
}

.coin-btc {
  background: #f7931a;
}

.coin-btc::after {
  content: "₿";
}

.coin-eth {
  background: #627eea;
  border-radius: 6px;
  transform: rotate(45deg);
}

.coin-eth::after {
  content: "";
  width: 8px;
  height: 8px;
  background: #ffffff;
  transform: rotate(-45deg);
}

.coin-sol {
  background: linear-gradient(135deg, #00ffa3, #dc1fff);
}

.chip-stage {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem 1.35rem 1.4rem;
  background:
    radial-gradient(90% 80% at 50% 120%, rgba(167, 139, 250, 0.45), transparent 60%),
    linear-gradient(180deg, #ffffff 6%, #fce7f3 42%, #ddd6fe 100%);
}

.chip-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  width: 100%;
  transform: translateY(12%);
}

.chip-tile {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: #0b1528;
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 16px 28px rgba(11, 21, 40, 0.18);
}

.orbit-stage {
  background:
    radial-gradient(120% 90% at 50% 120%, #93c5fd 0%, #60a5fa 28%, #dbeafe 58%, #ffffff 100%);
}

.orbit-sphere {
  position: absolute;
  left: 50%;
  bottom: -42%;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, #dbeafe 0%, #60a5fa 28%, #2563eb 62%, #1e3a8a 100%);
  box-shadow:
    inset 0 -18px 30px rgba(11, 21, 40, 0.18),
    0 18px 40px rgba(37, 99, 235, 0.22);
  transform: translateX(-50%);
}

.orbit-ring {
  position: absolute;
  left: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.orbit-ring-a {
  width: 236px;
  height: 92px;
  bottom: 16%;
}

.orbit-ring-b {
  width: 292px;
  height: 118px;
  bottom: 6%;
  opacity: 0.72;
}

.compare-head {
  text-align: center;
  margin: 0 auto 4rem;
}

.chapter h2.compare-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #0b1528;
  margin-bottom: 1.2rem;
}

.compare-sub {
  max-width: 680px;
  margin: 0 auto;
  color: #64748b;
  line-height: 1.6;
  font-size: 1.05rem;
}

.compare-scroll {
  max-width: 980px;
  margin: 0 auto;
}

.compare-table {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  border-collapse: collapse;
  background: transparent;
}

.compare-table thead th {
  padding: 0 1rem 1.35rem;
  color: #64748b;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  vertical-align: bottom;
  border: 0;
}

.compare-table thead th:first-child {
  padding-left: 0;
  text-align: left;
}

.compare-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #0b1528;
}

.compare-brand svg {
  width: 24px;
  height: 14px;
  flex: 0 0 auto;
}

.compare-brand > span:first-of-type {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  text-transform: lowercase;
}

.compare-table tbody th,
.compare-table tbody td {
  min-height: 76px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}

.compare-table tbody th {
  width: 28%;
  padding: 1.6rem 1rem 1.6rem 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: #0b1528;
  text-align: left;
}

.compare-table tbody td {
  width: 36%;
  padding: 1.6rem 1rem;
  text-align: center;
  color: #64748b;
}

.compare-stat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  max-width: 22rem;
  text-align: left;
  line-height: 1.45;
}

.compare-x,
.compare-check {
  flex: 0 0 auto;
  font-weight: 700;
  line-height: 1;
}

.compare-x {
  color: #ef4444;
  font-size: 1rem;
}

.compare-check {
  color: #2563eb;
  font-size: 1.2rem;
}

.compare-note {
  max-width: 680px;
  margin: 3rem auto 0;
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.6;
}

.compare-note strong {
  color: #0b1528;
  font-weight: 700;
}

.arch-bento {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  grid-template-rows: auto auto;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 3rem auto 0;
}

.arch-metric,
.arch-dark,
.arch-zero,
.arch-widget {
  min-width: 0;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.arch-metric {
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 240px;
}

.zero-screen {
  flex: 0 0 auto;
  background: #0b1528;
  color: #ffffff;
  padding: 1.5rem;
  border-radius: 16px;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  box-shadow: 0 16px 32px rgba(11, 21, 40, 0.18);
  z-index: 1;
}

.zero-screen span {
  font-size: 1.5rem;
}

.arch-metric-copy {
  position: relative;
  z-index: 1;
  max-width: 16rem;
}

.arch-metric h3,
.arch-widget h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0b1528;
  margin: 0 0 0.5rem;
}

.arch-metric p,
.arch-widget p {
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

.glass-disc {
  position: absolute;
  right: -48px;
  top: 50%;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.95) 0%, #93c5fd 32%, #2563eb 68%, #1d4ed8 100%);
  box-shadow:
    inset 0 -20px 28px rgba(11, 21, 40, 0.12),
    0 20px 40px rgba(37, 99, 235, 0.22);
  transform: translateY(-50%);
}

.arch-dark,
.arch-zero {
  background: #0b1528;
  color: #ffffff;
  padding: 3rem;
  display: flex;
  flex-direction: column;
}

.arch-dark {
  justify-content: center;
}

.arch-dark h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #ffffff;
  letter-spacing: -0.03em;
}

.arch-dark p {
  color: #94a3b8;
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0;
}

.arch-zero {
  justify-content: space-between;
  min-height: 320px;
}

.arch-zero h3 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin: 0;
  letter-spacing: -0.04em;
}

.arch-zero p {
  color: #94a3b8;
  margin-top: 2rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.arch-widget {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 320px;
}

.arch-widget p {
  margin: 0 0 0;
}

.verify-widget {
  position: relative;
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem;
  border-radius: 24px;
  background:
    radial-gradient(120% 80% at 90% 0%, rgba(196, 181, 253, 0.45), transparent 55%),
    linear-gradient(180deg, #dbeafe 0%, #e0e7ff 100%);
}

.verify-panel {
  background: #ffffff;
  border-radius: 18px;
  padding: 1rem 1.15rem 1.05rem;
  box-shadow: 0 10px 24px rgba(11, 21, 40, 0.05);
}

.verify-label {
  display: block;
  color: #64748b;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.verify-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.verify-line strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #0b1528;
}

.asset-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 36px;
  padding: 0.3rem 0.7rem 0.3rem 0.35rem;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #0b1528;
  font-size: 0.82rem;
  font-weight: 600;
}

.verify-arrow {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #2563eb;
  color: #ffffff;
  font-size: 1.05rem;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
  transform: translate(-50%, -50%);
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.16);
}


.split-guide {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.split-audience h2,
.split-faq h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  margin-bottom: 1.2rem;
}

.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.tablist button {
  min-height: var(--touch-min);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
}

.tablist button[aria-selected="true"] {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #ffffff;
}

.tab-panels {
  min-height: 8.5rem;
  padding: 1.6rem 1.5rem 1.7rem;
  border-radius: var(--radius-card);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

.tab-panel h3 {
  font-size: 1.25rem;
  margin-bottom: 0.55rem;
}

.tab-panel p {
  color: var(--text-muted);
}

.split-faq .faq-list {
  max-width: none;
  margin: 0;
}

.band-blue {
  margin-top: var(--section-y);
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.18), transparent 32%),
    radial-gradient(circle at 88% 80%, rgba(14, 165, 233, 0.28), transparent 36%),
    linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  text-align: center;
}

.band-blue h2 {
  color: #ffffff;
  max-width: 16ch;
  margin: 0 auto;
}

.band-blue p {
  max-width: 38rem;
  margin: 1rem auto 1.6rem;
  color: rgba(255, 255, 255, 0.86);
}

.preorder {
  padding: var(--section-y) 0;
}

.preorder-card {
  position: relative;
  isolation: isolate;
  max-width: 680px;
  margin: 0 auto;
  padding: 2.75rem 1.6rem 2.1rem;
  border-radius: var(--radius-duo);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.preorder-card::before {
  content: "";
  position: absolute;
  inset: -48px;
  z-index: -1;
  background: radial-gradient(circle at 50% 40%, rgba(37, 99, 235, 0.16), transparent 62%);
  pointer-events: none;
}

.preorder-card h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.preorder-card > p {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  color: var(--text-muted);
}

.form-stack {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.6rem;
  text-align: left;
}

.form-field,
.form-stack select {
  width: 100%;
}

.form-field input,
.form-stack select {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-page);
  color: var(--text-main);
}

.form-field input::placeholder {
  color: #94a3b8;
}

.form-stack > .btn-cta {
  width: 100%;
  background: #0b1528;
  color: #ffffff;
  border-color: #0b1528;
}

.form-help,
.form-status {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-small);
}

.form-status[data-state="error"] {
  color: var(--color-error);
}

.form-status[data-state="success"] {
  color: var(--color-success);
}

.form-stack.is-success {
  display: none;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-subtle);
}

.faq-item h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
}

.faq-item button {
  width: 100%;
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border: 0;
  background: transparent;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
}

.faq-item button svg {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  transition: transform 0.25s var(--ease);
}

.faq-item.is-open button svg {
  transform: rotate(45deg);
}

.faq-item .answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}

.faq-item .answer p {
  overflow: hidden;
  color: var(--text-muted);
}

.faq-item.is-open .answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .answer p {
  padding-bottom: 1.1rem;
}

.site-footer {
  padding: 3rem 0 2.8rem;
  background: var(--text-main);
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-brand-link {
  display: inline-flex;
  margin-bottom: 0.55rem;
  color: #ffffff;
}

.footer-brand-link .brand-text {
  color: #ffffff;
}

.footer-brand-link .brand-loop-b {
  stroke: #ffffff;
}

@media (hover: hover) {
  #site-nav a:hover {
    color: var(--text-main);
  }

  .btn-ink:hover,
  .btn-cta.btn-ink:hover {
    background: #15233d;
  }

  .btn-light:hover,
  .btn-cta.btn-light:hover {
    background: var(--brand-blue-soft);
  }

  .btn-ghost:hover {
    border-color: var(--text-main);
    background: var(--bg-surface);
  }

  .text-link:hover {
    color: var(--brand-blue);
  }

  .duo-arrow:hover {
    background: var(--brand-blue-deep);
  }

  .duo-card:hover,
  .benefit-card:hover,
  .arch-bento article:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(11, 21, 40, 0.08);
  }
}

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

  .btn,
  .menu-toggle-bar,
  .faq-item .answer,
  .duo-card,
  .benefit-card,
  .arch-bento article,
  .chain-item,
  .chain-indicator,
  .globe-art,
  .chain-row {
    animation: none;
    transition: none;
  }

  .chapter-networks {
    height: auto;
  }

  .networks-panel {
    position: static;
    height: auto;
  }

  .globe-art,
  .chain-row {
    transform: none !important;
    will-change: auto;
  }
}

@media (max-width: 1199px) {
  .arch-bento {
    grid-template-columns: 1fr 1fr;
  }

  .glass-disc {
    width: 150px;
    height: 150px;
    right: -32px;
  }

  .arch-metric-copy {
    max-width: 12.5rem;
  }

  .arch-dark h3 {
    font-size: 1.55rem;
  }

  .arch-zero h3 {
    font-size: 1.85rem;
  }
}

@media (max-width: 991px) {
  .duo-grid,
  .split-guide,
  .arch-bento,
  .hero-inner,
  .widget-feature-split,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: calc(var(--header-height) + 1.5rem) 0 3rem;
  }

  .hero-inner {
    gap: 1.5rem;
  }

  .hero-stage img {
    transform: scale(1.04);
    transform-origin: center center;
  }

  .swap-dark,
  .swap-blue {
    display: none;
  }

  .widget-stage {
    min-height: 0;
  }

  .benefit-card {
    height: auto;
    min-height: 420px;
  }

  .arch-metric {
    min-height: 220px;
  }

  .arch-zero,
  .arch-widget {
    min-height: 280px;
  }

  .glass-disc {
    width: 160px;
    height: 160px;
    right: -36px;
  }
}

@media (max-width: 768px) {
  .chapter-networks {
    height: auto;
  }

  .networks-panel {
    position: static;
    height: auto;
    overflow: visible;
  }

  .globe-art,
  .chain-row {
    transform: none !important;
    will-change: auto;
  }
}

@media (max-width: 767px) {
  :root {
    --pad-x: var(--mobile-gutter);
    --header-offset: 0px;
    --header-height: 64px;
    --header-bar: 64px;
    --section-y: 2.75rem;
    --fs-hero: clamp(1.85rem, 8.4vw, 2.35rem);
    --fs-h2: clamp(1.55rem, 7vw, 2rem);
  }

  .site-header {
    padding: 0;
    background: var(--bg-page);
    border-bottom: 1px solid var(--border-subtle);
  }

  .header-bar,
  .header-bar.wrap {
    width: 100%;
    margin-inline: 0;
    height: var(--header-bar);
    padding: 0 var(--mobile-gutter);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: var(--bg-page);
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-header) - 2);
    background: rgb(11 21 40 / 0.42);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  #site-nav {
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: auto;
    transform: translate3d(110%, 0, 0);
    height: auto;
    width: min(18.5rem, calc(100vw - 4.75rem));
    background: var(--bg-page);
    border-left: 1px solid var(--border-subtle);
    opacity: 1;
    visibility: hidden;
    pointer-events: none;
    z-index: calc(var(--z-header) - 1);
    align-items: stretch;
    justify-content: flex-start;
    padding: 1.25rem var(--mobile-gutter) 2rem;
    overflow: auto;
    overscroll-behavior: contain;
    transition: transform 0.24s var(--ease), visibility 0.24s var(--ease);
  }

  #site-nav.is-open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }

  #site-nav ul {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.2rem;
    width: 100%;
  }

  #site-nav a {
    justify-content: flex-start;
    font-size: 1.2rem;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-main);
  }

  .nav-cta {
    display: list-item;
    margin-top: 1rem;
  }

  #site-nav .nav-cta a.btn {
    font-family: var(--font-body);
    font-size: 0.94rem;
    font-weight: 600;
    justify-content: center;
    width: 100%;
    color: #ffffff;
    background: #0b1528;
  }

  .hero {
    padding: calc(var(--header-height) + 1.25rem) 0 2.25rem;
  }

  .hero-inner,
  .hero-copy,
  .hero-actions,
  .widget-copy,
  .band-blue,
  .band-blue .wrap,
  .section-center-head,
  .compare-head,
  .split-audience,
  .split-faq,
  .preorder-card,
  .form-stack,
  .footer-grid,
  .site-footer {
    text-align: left;
    align-items: flex-start;
  }

  .hero-copy,
  .hero-lead,
  .section-center-head,
  .display-headline,
  .display-sub,
  .band-blue h2,
  .band-blue p,
  .networks-inner h2,
  .networks-inner > p,
  .compare-head,
  .compare-title,
  .compare-sub,
  .compare-note,
  .preorder-card,
  .preorder-card h2,
  .preorder-card > p,
  .form-help,
  .form-status {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn,
  .band-blue .btn-cta,
  .widget-copy .btn-cta,
  .form-stack > .btn-cta {
    width: 100%;
    flex: none;
    background-clip: padding-box;
  }

  .hero-actions .btn-ink,
  .widget-copy .btn-cta,
  .form-stack > .btn-cta,
  #site-nav .nav-cta a.btn {
    background: #0b1528;
    color: #ffffff;
    border-color: #0b1528;
  }

  .hero-stage {
    min-height: 0;
    width: 100%;
  }

  .hero-stage img {
    max-width: 100%;
    transform: none;
    transform-origin: center center;
  }

  .band-blue {
    padding: 2.5rem 0;
    text-align: left;
  }

  .band-blue .btn-cta {
    background: #ffffff;
    color: #0b1528;
    border-color: #ffffff;
  }

  .widget-feature-split,
  .split-guide,
  .arch-bento,
  .benefit-grid {
    gap: 1.5rem;
  }

  .check-list {
    margin-bottom: 1.25rem;
  }

  .networks-panel,
  .networks-inner {
    align-items: flex-start;
    text-align: left;
    padding: 0;
  }

  .globe-stage {
    width: 100%;
    max-width: none;
    margin: 0 0 1.25rem;
  }

  .globe-art {
    width: min(240px, 68vw);
    height: min(240px, 68vw);
    margin-inline: auto;
  }

  .chain-track {
    overflow: visible;
    padding: 0.85rem 0 0.5rem;
  }

  .chain-row {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.65rem;
    transform: none !important;
  }

  .chain-item.is-active {
    transform: none;
  }

  .chain-indicator {
    display: none;
  }

  .chain-caption,
  .globe-rays {
    display: none;
  }

  .benefit-grid {
    grid-template-columns: 1fr;
    margin-top: 1.5rem;
  }

  .benefit-card {
    min-height: 0;
    height: auto;
    padding: 1.5rem 1.25rem 0;
  }

  .picker-stage,
  .chip-stage,
  .orbit-stage {
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    min-height: 180px;
  }

  .compare-head {
    margin-bottom: 1.5rem;
  }

  .chapter h2.compare-title {
    font-size: clamp(1.7rem, 8vw, 2.2rem);
  }

  .compare-scroll {
    overflow: visible;
  }

  .compare-table,
  .compare-table thead,
  .compare-table tbody,
  .compare-table tr,
  .compare-table th,
  .compare-table td {
    display: block;
    width: 100%;
    min-width: 0;
  }

  .compare-table thead {
    display: none;
  }

  .compare-table tbody th {
    padding: 1.15rem 0 0.45rem;
    border-bottom: 0;
  }

  .compare-table tbody td {
    padding: 0.45rem 0 0.85rem;
    text-align: left;
    border-bottom: 0;
  }

  .compare-table tbody tr {
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #e2e8f0;
  }

  .compare-stat {
    display: grid;
    grid-template-columns: 1.1rem minmax(0, 1fr);
    align-items: start;
    justify-content: start;
    gap: 0.5rem;
    width: 100%;
    max-width: none;
    text-align: left;
  }

  .compare-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.35rem;
    color: #64748b;
    font-size: 0.78rem;
    font-weight: 600;
  }

  .compare-note {
    margin-top: 1.5rem;
  }

  .arch-bento {
    margin-top: 1.5rem;
  }

  .arch-metric {
    flex-wrap: wrap;
    padding: 1.35rem;
    gap: 1rem;
    min-height: 0;
  }

  .arch-metric-copy {
    max-width: none;
  }

  .zero-screen {
    font-size: 2.2rem;
    padding: 1.15rem;
  }

  .arch-dark,
  .arch-zero,
  .arch-widget {
    padding: 1.35rem;
    min-height: 0;
  }

  .arch-zero h3 {
    font-size: 1.55rem;
  }

  .verify-line strong {
    font-size: 1.2rem;
  }

  .tablist {
    width: 100%;
  }

  .tablist button {
    flex: 1 1 auto;
  }

  .tab-panels {
    min-height: 0;
    padding: 1.25rem 1.1rem;
  }

  .preorder-card {
    max-width: none;
    padding: 1.5rem 1.15rem 1.35rem;
    overflow: hidden;
  }

  .preorder-card::before {
    inset: -24px;
  }

  .form-stack > .btn-cta {
    min-height: 48px;
    font-weight: 600;
  }

  .site-footer {
    padding: 2.25rem 0 2rem;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  #site-nav ul {
    gap: 0.9rem;
  }

  #site-nav a {
    font-size: 0.84rem;
  }
}

@media (max-width: 430px) {
  .hero-stage::before {
    inset: 8% 0;
  }

  .swap-widget {
    width: 100%;
  }

  .orbit-sphere {
    width: 190px;
    height: 190px;
  }

  .orbit-ring-a,
  .orbit-ring-b {
    width: min(100%, 236px);
  }
}

@media (max-height: 740px) {
  .globe-art {
    width: min(220px, 56vw);
    height: min(220px, 56vw);
  }
}

@media (min-width: 1441px) {
  .wrap {
    width: min(1200px, calc(100% - 2 * var(--pad-x)));
  }
}