/* Intent Economy — dark futuristic product demo page */

body.ie-page {
  --ie-bg: #050508;
  --ie-bg-elevated: #0c0c12;
  --ie-surface: rgba(255, 255, 255, 0.04);
  --ie-surface-hover: rgba(255, 255, 255, 0.07);
  --ie-border: rgba(255, 255, 255, 0.08);
  --ie-border-glow: rgba(59, 130, 246, 0.35);
  --ie-text: #f4f4f5;
  --ie-text-muted: #a1a1aa;
  --ie-text-dim: #71717a;
  --ie-accent: #3b82f6;
  --ie-accent-bright: #60a5fa;
  --ie-accent-glow: rgba(59, 130, 246, 0.45);
  --ie-purple: #818cf8;
  --ie-cyan: #22d3ee;
  --ie-green: #34d399;
  --ie-radius: 1rem;
  --ie-radius-lg: 1.25rem;
  --ie-ease: cubic-bezier(0.16, 1, 0.3, 1);

  color: var(--ie-text);
  background: var(--ie-bg);
  min-height: 100vh;
}

body.ie-page::before,
body.ie-page::after {
  display: none;
}

body.ie-page .page-wrap {
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(129, 140, 248, 0.12), transparent 50%),
    radial-gradient(ellipse 40% 30% at 0% 80%, rgba(34, 211, 238, 0.08), transparent 45%),
    var(--ie-bg);
}

body.ie-page .site-header {
  background: rgba(5, 5, 8, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ie-border);
  overflow: visible;
}

body.ie-page .brand {
  color: var(--ie-text);
}

body.ie-page .nav-link {
  color: rgba(244, 244, 245, 0.72);
}

body.ie-page .nav-link:hover,
body.ie-page .nav-link.is-active {
  color: var(--ie-text);
  background: var(--ie-surface-hover);
}

body.ie-page .nav-link.is-active {
  color: var(--ie-accent-bright);
  background: rgba(59, 130, 246, 0.14);
}

body.ie-page .nav-dropdown.is-open .nav-dropdown-trigger {
  color: var(--ie-accent-bright);
  background: rgba(59, 130, 246, 0.1);
}

body.ie-page .nav-dropdown-panel {
  background: #12121a;
  border-color: var(--ie-border);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

body.ie-page .dropdown-item:hover {
  background: var(--ie-surface-hover);
}

body.ie-page .dropdown-title {
  color: var(--ie-text);
}

body.ie-page .dropdown-desc {
  color: var(--ie-text-muted);
}

body.ie-page .nav-toggle {
  color: var(--ie-text);
}

body.ie-page .nav-toggle:hover {
  background: var(--ie-surface-hover);
}

@media (max-width: 900px) {
  body.ie-page .site-nav {
    background: rgba(8, 8, 12, 0.97);
    border-bottom-color: var(--ie-border);
  }
}

body.ie-page main {
  flex: 1;
}

body.ie-page .site-footer {
  position: relative;
  z-index: 2;
}

/* Typography */
.ie-eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: var(--ie-surface);
  color: var(--ie-accent-bright);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.ie-eyebrow--sub {
  margin-top: 0.75rem;
  margin-bottom: 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--ie-text-dim);
  font-size: 0.875rem;
  font-weight: 500;
}

.ie-title {
  margin: 0 0 1.25rem;
  color: var(--ie-text);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.ie-subtitle {
  margin: 0;
  max-width: 36rem;
  color: var(--ie-text-muted);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
}

.ie-section-title {
  margin: 0 0 0.875rem;
  color: var(--ie-text);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-align: center;
}

.ie-section-desc {
  margin: 0 auto 2.5rem;
  max-width: 34rem;
  color: var(--ie-text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
  text-align: center;
}

.ie-kicker {
  margin: 2.25rem 0 0;
  padding-top: 0.25rem;
  color: var(--ie-accent-bright);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
}

.ie-kicker + .ie-benefits-list {
  margin-top: 1.75rem;
}

.ie-section-desc--follow {
  margin-top: 1rem;
  margin-bottom: 0;
}

.ie-section-desc--single-line {
  max-width: none;
  white-space: nowrap;
}

/* Sections */
.ie-section {
  padding: clamp(4.5rem, 9vw, 6.5rem) 0;
  position: relative;
}

.ie-section + .ie-section:not(.ie-section--final)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100% - 2.5rem, 48rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ie-border), transparent);
}

.ie-section--hero {
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
  min-height: auto;
  display: block;
}

.ie-section--hero::before {
  display: none;
}

.ie-section--final {
  padding-top: clamp(5rem, 10vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  text-align: center;
}

.ie-section--final .ie-title {
  margin-bottom: 1.5rem;
}

.ie-section--final .ie-subtitle {
  margin: 0 auto;
  max-width: 40rem;
}

/* Hero — Intent Payment Simulator */
.ie-hero-intro {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.ie-hero-intro .ie-subtitle {
  margin: 0 auto;
  max-width: 40rem;
}

.ie-simulator {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid var(--ie-border);
  border-radius: calc(var(--ie-radius-lg) + 4px);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, 0.06),
    0 32px 80px -24px rgba(0, 0, 0, 0.65);
}

.ie-sim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.ie-sim-panel {
  display: flex;
  flex-direction: column;
  height: 680px;
  min-height: 680px;
  padding: 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.28);
  box-sizing: border-box;
  overflow: hidden;
}

.ie-sim-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ie-border);
}

.ie-sim-panel__label {
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ie-sim-panel__price {
  color: var(--ie-cyan);
  font-size: 1.125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ie-sim-products {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.ie-sim-product {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  color: var(--ie-text-muted);
  text-align: left;
  transition: border-color 0.2s var(--ie-ease), background 0.2s var(--ie-ease), transform 0.15s var(--ie-ease);
}

.ie-sim-product:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background: var(--ie-surface-hover);
}

.ie-sim-product.is-active {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.1);
  color: var(--ie-text);
  box-shadow: 0 0 24px -8px var(--ie-accent-glow);
}

.ie-sim-product__emoji {
  font-size: 1.375rem;
  line-height: 1;
}

.ie-sim-product__name {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 600;
}

.ie-sim-product__price {
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ie-text-dim);
}

.ie-sim-product.is-active .ie-sim-product__price {
  color: var(--ie-cyan);
}

.ie-sim-intent {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  margin-bottom: 0.875rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.ie-sim-intent__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.875rem;
}

.ie-sim-intent__info {
  min-width: 0;
}

.ie-sim-intent__title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ie-text);
}

.ie-sim-intent__hint {
  margin: 0.2rem 0 0;
  font-size: 0.6875rem;
  line-height: 1.45;
  color: var(--ie-text-dim);
}

.ie-sim-intent__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background 0.2s var(--ie-ease);
}

.ie-sim-intent__option.is-hidden {
  display: none;
}

.ie-sim-intent__option:hover {
  background: rgba(255, 255, 255, 0.03);
}

.ie-sim-intent__option.is-checked {
  background: rgba(129, 140, 248, 0.08);
}

.ie-sim-intent__option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ie-sim-intent__option-check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 0.875rem;
  height: 0.875rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0.25rem;
  background: rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s var(--ie-ease), background 0.2s var(--ie-ease);
}

.ie-sim-intent__option-check::after {
  content: '';
  width: 0.3rem;
  height: 0.5rem;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg) scale(0);
  margin-top: -0.1rem;
  transition: transform 0.15s var(--ie-ease);
}

.ie-sim-intent__option input:checked + .ie-sim-intent__option-check {
  border-color: rgba(129, 140, 248, 0.65);
  background: rgba(129, 140, 248, 0.55);
}

.ie-sim-intent__option input:checked + .ie-sim-intent__option-check::after {
  transform: rotate(45deg) scale(1);
}

.ie-sim-intent__option input:focus-visible + .ie-sim-intent__option-check {
  outline: 2px solid var(--ie-accent-bright);
  outline-offset: 2px;
}

.ie-sim-intent__option-text {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--ie-text-muted);
  line-height: 1.4;
}

.ie-sim-intent__option.is-checked .ie-sim-intent__option-text {
  color: var(--ie-text);
}

.ie-sim-intent__toggle {
  position: relative;
  flex-shrink: 0;
  display: inline-flex;
  cursor: pointer;
}

.ie-sim-intent__toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ie-sim-intent__switch {
  display: block;
  width: 2.75rem;
  height: 1.5rem;
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.2s var(--ie-ease);
}

.ie-sim-intent__switch::after {
  content: '';
  position: absolute;
  top: 0.1875rem;
  left: 0.1875rem;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s var(--ie-ease);
}

.ie-sim-intent__toggle input:checked + .ie-sim-intent__switch {
  background: rgba(59, 130, 246, 0.55);
}

.ie-sim-intent__toggle input:checked + .ie-sim-intent__switch::after {
  transform: translateX(1.25rem);
}

.ie-sim-intent__toggle input:focus-visible + .ie-sim-intent__switch {
  outline: 2px solid var(--ie-accent-bright);
  outline-offset: 2px;
}

.ie-sim-wallet-connect {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  min-height: 280px;
  padding: 1.5rem 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.22);
  text-align: center;
}

.ie-sim-wallet-connect__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid var(--ie-border);
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.08);
  color: var(--ie-accent-bright);
  font-size: 1.25rem;
}

.ie-sim-wallet-connect__text {
  margin: 0;
  max-width: 14rem;
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.ie-sim-wallet-connect .ie-btn {
  width: 100%;
  max-width: 220px;
}

.ie-sim-wallet-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.ie-sim-wallet-body.is-hidden,
.ie-sim-wallet-connect.is-hidden {
  display: none;
}

.ie-sim-wallet-address {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  padding: 0.5rem 0.65rem 0.5rem 0.75rem;
  border: 1px solid rgba(52, 211, 153, 0.28);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(52, 211, 153, 0.08);
  color: var(--ie-green);
  font-size: 0.6875rem;
  font-weight: 600;
}

.ie-sim-wallet-address__main {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.ie-sim-wallet-address__main span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ie-sim-wallet-demo-badge {
  flex-shrink: 0;
  padding: 0.2rem 0.55rem;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ie-text-muted);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.ie-sim-wallet-body .ie-sim-intent {
  width: 100%;
}

.ie-sim-network-label {
  margin: 0 0 0.45rem;
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.ie-sim-networks {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.875rem;
  padding: 0.2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(0, 0, 0, 0.35);
}

.ie-sim-network {
  flex: 1;
  padding: 0.4rem 0.5rem;
  border: none;
  border-radius: var(--ie-radius-pill, 9999px);
  background: transparent;
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s var(--ie-ease);
}

.ie-sim-network.is-active {
  background: rgba(34, 211, 238, 0.16);
  color: var(--ie-cyan);
}

.ie-sim-network[data-network="netx"].is-active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--ie-accent-bright);
}

.ie-sim-wallet-empty {
  margin: 0;
  padding: 1.25rem 0.5rem;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  text-align: center;
}

.ie-sim-wallet {
  flex: 0 0 132px;
  height: 132px;
  min-height: 132px;
  max-height: 132px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.ie-sim-asset {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--ie-border);
  border-radius: 0.65rem;
  background: var(--ie-surface);
  font-size: 0.8125rem;
  transition: opacity 0.3s var(--ie-ease);
}

.ie-sim-asset.is-zero {
  opacity: 0.45;
}

.ie-sim-asset.is-stable {
  border-color: rgba(34, 211, 238, 0.35);
}

.ie-sim-asset.is-netx {
  border-color: rgba(59, 130, 246, 0.4);
}

.ie-sim-asset.is-eco {
  border-color: rgba(129, 140, 248, 0.35);
}

.ie-sim-asset__sym {
  font-weight: 700;
}

.ie-sim-asset__sym--usdt { color: var(--ie-cyan); }
.ie-sim-asset__sym--usdc { color: #67e8f9; }
.ie-sim-asset__sym--jpyc { color: #a5f3fc; }
.ie-sim-asset__sym--netx { color: var(--ie-accent-bright); }
.ie-sim-asset__sym--token-a { color: var(--ie-purple); }
.ie-sim-asset__sym--token-b { color: #c4b5fd; }
.ie-sim-asset__sym--token-c { color: #a78bfa; }

.ie-sim-asset-group-label {
  margin: 0.5rem 0 0.15rem;
  padding: 0 0.25rem;
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.ie-sim-asset__sym--alpha { color: var(--ie-purple); }
.ie-sim-asset__sym--nova { color: #c4b5fd; }
.ie-sim-asset__sym--orbit { color: #a78bfa; }

.ie-sim-asset__bal {
  font-variant-numeric: tabular-nums;
  color: var(--ie-text-muted);
  font-weight: 600;
}

.ie-sim-panel--wallet {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ie-sim-panel--wallet .ie-sim-wallet-connect {
  flex: 1;
  min-height: 0;
}

.ie-sim-panel--wallet .ie-sim-wallet-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.ie-sim-panel--wallet .ie-sim-pay {
  width: 100%;
  flex-shrink: 0;
  margin-top: auto;
}

.ie-sim-panel--wallet .ie-sim-wallet {
  flex: 1 1 auto;
  height: auto;
  min-height: 100px;
  max-height: none;
  margin-bottom: 0.75rem;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.ie-sim-status {
  padding: 0.25rem 0.65rem;
  border-radius: var(--ie-radius-pill, 9999px);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ie-sim-status--idle {
  background: var(--ie-surface);
  color: var(--ie-text-dim);
}

.ie-sim-status--can {
  background: rgba(52, 211, 153, 0.15);
  color: var(--ie-green);
  border: 1px solid rgba(52, 211, 153, 0.35);
}

.ie-sim-status--cannot {
  background: rgba(248, 113, 113, 0.12);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.ie-sim-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  overflow-y: auto;
  padding: 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.2);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.ie-sim-panel--result {
  overflow: hidden;
}

.ie-sim-panel--result .ie-sim-fail-actions {
  flex-shrink: 0;
}

.ie-sim-stage:has(.ie-sim-stage__placeholder) {
  justify-content: center;
  align-items: center;
}

.ie-sim-stage__placeholder {
  margin: 0;
  width: 100%;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  line-height: 1.6;
  text-align: center;
}

.ie-sim-stage--receipt,
.ie-sim-stage--pending,
.ie-sim-stage--progress {
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.28);
}

.ie-sim-stage--receipt {
  justify-content: flex-start;
  align-items: stretch;
}

.ie-sim-stage--pending,
.ie-sim-stage--progress {
  justify-content: center;
  align-items: center;
}

/* Payment receipt — real success page feel */
.ie-pay-receipt {
  width: 100%;
  max-width: 100%;
  animation: ieReceiptIn 0.45s var(--ie-ease) both;
}

.ie-sim-stage--receipt > .ie-pay-receipt:not(.ie-pay-receipt--progress):not(.ie-pay-receipt--pending) {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100%;
}

.ie-pay-receipt__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.5rem 0 1rem;
}

.ie-pay-receipt__check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 0.75rem;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.15);
  border: 2px solid rgba(52, 211, 153, 0.55);
  color: var(--ie-green);
  font-size: 1.35rem;
  box-shadow: 0 0 24px rgba(52, 211, 153, 0.2);
}

.ie-pay-receipt__check--pending {
  background: rgba(129, 140, 248, 0.12);
  border-color: rgba(129, 140, 248, 0.45);
  color: var(--ie-purple);
  box-shadow: 0 0 24px rgba(129, 140, 248, 0.15);
}

.ie-pay-receipt__amount {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ie-text);
  line-height: 1.1;
}

.ie-pay-receipt__status {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ie-green);
}

.ie-pay-receipt--pending .ie-pay-receipt__status {
  color: var(--ie-purple);
}

.ie-pay-receipt__hint {
  margin: 0.5rem 0 0;
  max-width: 16rem;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ie-text-muted);
}

/* Horizontal payment path */
.ie-pay-receipt__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.25rem;
  margin: 0.75rem 0 1rem;
  padding: 0.75rem 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ie-sim-stage--receipt > .ie-pay-receipt:not(.ie-pay-receipt--progress):not(.ie-pay-receipt--pending) .ie-pay-receipt__flow {
  margin-top: auto;
  margin-bottom: 0;
  border-bottom: none;
}

.ie-pay-flow__chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: var(--ie-radius-pill, 9999px);
  border: 1px solid var(--ie-border);
  background: var(--ie-surface);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--ie-text-muted);
  white-space: nowrap;
}

.ie-pay-flow__chip.is-done {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
  color: var(--ie-green);
}

.ie-pay-flow__chip.is-active {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.12);
  color: var(--ie-accent-bright);
  animation: ieFlowPulse 1.2s ease-in-out infinite;
}

.ie-pay-flow__arrow {
  display: inline-flex;
  align-items: center;
  color: var(--ie-text-dim);
  font-size: 0.625rem;
  padding: 0 0.1rem;
}

/* Transaction details */
.ie-pay-receipt__details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 0.25rem;
}

.ie-pay-receipt__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.4;
}

.ie-pay-receipt__key {
  flex-shrink: 0;
  color: var(--ie-text-dim);
}

.ie-pay-receipt__val {
  text-align: right;
  color: var(--ie-text-muted);
  font-weight: 500;
  word-break: break-word;
}

.ie-pay-receipt--progress {
  text-align: center;
}

.ie-pay-receipt__progress-label {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ie-text-muted);
}

@keyframes ieReceiptIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes ieFlowPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

.ie-sim-fail-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ie-border);
  text-align: center;
}

.ie-sim-fail-actions.is-hidden {
  display: none;
}

.ie-btn--accent {
  width: 100%;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  box-shadow: 0 8px 32px -8px rgba(129, 140, 248, 0.5);
}

.ie-btn--accent:hover {
  box-shadow: 0 12px 40px -8px rgba(129, 140, 248, 0.6);
}

.ie-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.ie-sim-pool {
  margin-top: 1rem;
  padding: 1.25rem;
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: var(--ie-radius);
  background: linear-gradient(160deg, rgba(129, 140, 248, 0.1), rgba(0, 0, 0, 0.25));
  animation: ieFadeUp 0.5s var(--ie-ease) both;
}

.ie-sim-pool.is-hidden {
  display: none;
}

.ie-sim-pool__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ie-sim-pool__head h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.ie-sim-pool__badge {
  padding: 0.3rem 0.65rem;
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--ie-green);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ie-sim-pool__body {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 1.25rem;
  align-items: end;
}

.ie-sim-pool__tokens {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ie-sim-pool-token {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--ie-border);
  border-radius: 0.65rem;
  background: var(--ie-surface);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s var(--ie-ease);
}

.ie-sim-pool-token.is-checked {
  border-color: rgba(129, 140, 248, 0.45);
  background: rgba(129, 140, 248, 0.08);
}

.ie-sim-pool-token input {
  accent-color: var(--ie-purple);
}

.ie-sim-pool__sliders {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ie-sim-pool__sliders .ie-slider-row.is-disabled {
  opacity: 0.4;
}

.ie-sim-pool__sliders .ie-slider-row.is-disabled input[type="range"] {
  cursor: not-allowed;
}

.ie-sim-pool__sliders .ie-slider-row.is-disabled label {
  color: var(--ie-text-dim);
}

.ie-sim-pool__body > .ie-btn {
  min-width: 160px;
  white-space: nowrap;
}

.ie-sim-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

.ie-sim-compare-card {
  padding: 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
}

.ie-sim-compare-card--before h4 {
  color: #f87171;
}

.ie-sim-compare-card--after {
  border-color: rgba(59, 130, 246, 0.3);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.08), transparent);
}

.ie-sim-compare-card--after h4 {
  color: var(--ie-accent-bright);
}

.ie-sim-compare-card h4 {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ie-sim-flow-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.ie-sim-flow-col span {
  padding: 0.45rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.75rem;
  font-weight: 600;
}

.ie-sim-flow-col span.is-dim {
  opacity: 0.55;
  color: var(--ie-text-dim);
}

.ie-sim-flow-col span.is-highlight {
  border-color: rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.1);
  color: var(--ie-green);
}

.ie-sim-flow-col i {
  color: var(--ie-text-dim);
  font-size: 0.75rem;
}

.ie-sim-summary {
  display: grid;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(59, 130, 246, 0.06);
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  line-height: 1.65;
  text-align: center;
}

.ie-sim-summary strong {
  color: var(--ie-text);
}

@keyframes ieSimNodeIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Legacy demo (sections below) */
.ie-demo {
  padding: 2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.08), 0 24px 80px -20px rgba(0, 0, 0, 0.6);
}

.ie-demo__input-wrap {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.ie-demo__input {
  flex: 1;
  min-height: 52px;
  padding: 0 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.35);
  color: var(--ie-text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s var(--ie-ease), box-shadow 0.2s var(--ie-ease);
}

.ie-demo__input:focus {
  border-color: var(--ie-border-glow);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.ie-demo__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.ie-chip {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: transparent;
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  transition: all 0.2s var(--ie-ease);
}

.ie-chip:hover,
.ie-chip.is-active {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.12);
  color: var(--ie-text);
}

.ie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 52px;
  padding: 0 1.75rem;
  border-radius: var(--ie-radius-pill, 9999px);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: transform 0.15s var(--ie-ease), box-shadow 0.2s var(--ie-ease), background 0.2s var(--ie-ease);
}

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

.ie-btn--primary {
  width: 100%;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  box-shadow: 0 12px 40px -8px var(--ie-accent-glow);
}

.ie-btn--primary:hover {
  box-shadow: 0 16px 48px -8px var(--ie-accent-glow);
}

.ie-btn--ghost {
  border: 1px solid var(--ie-border);
  color: var(--ie-text);
}

.ie-btn--ghost:hover {
  border-color: var(--ie-border-glow);
  background: var(--ie-surface);
}

.ie-demo__stage {
  margin-top: 1.5rem;
  min-height: 280px;
  padding: 1.5rem;
  border: 1px dashed var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.ie-demo__step {
  display: none;
  animation: ieFadeUp 0.5s var(--ie-ease) both;
}

.ie-demo__step.is-visible {
  display: block;
}

.ie-demo__step-title {
  margin: 0 0 1rem;
  color: var(--ie-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ie-token-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ie-token {
  padding: 0.5rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: var(--ie-surface);
  color: var(--ie-text);
  font-size: 0.8125rem;
  font-weight: 600;
}

.ie-token--usdc { border-color: rgba(34, 211, 238, 0.4); color: var(--ie-cyan); }
.ie-token--netx { border-color: rgba(59, 130, 246, 0.5); color: var(--ie-accent-bright); }
.ie-token--alpha { border-color: rgba(129, 140, 248, 0.5); color: var(--ie-purple); }

.ie-flow-arrow {
  display: flex;
  justify-content: center;
  padding: 0.75rem 0;
  color: var(--ie-text-dim);
  font-size: 1.25rem;
  animation: iePulse 1.5s ease-in-out infinite;
}

.ie-demo__message {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--ie-radius);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--ie-accent-bright);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ie-ease), transform 0.4s var(--ie-ease);
}

.ie-demo__message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Comparison cards */
.ie-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.ie-compare-card {
  padding: 2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: var(--ie-surface);
}

.ie-compare-card--netx {
  border-color: rgba(59, 130, 246, 0.3);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.08), transparent);
}

.ie-compare-card h3 {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.ie-compare-card--old h3 { color: #f87171; }
.ie-compare-card--netx h3 { color: var(--ie-accent-bright); }

.ie-vertical-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.ie-vf-node {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(0, 0, 0, 0.3);
  font-size: 0.875rem;
  font-weight: 600;
}

.ie-vf-arrow {
  color: var(--ie-text-dim);
  font-size: 0.875rem;
}

.ie-problem-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ie-problem-list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--ie-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.ie-problem-list li + li { margin-top: 0.5rem; }

.ie-problem-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ie-text-dim);
}

.ie-compare-card--netx .ie-problem-list li::before {
  background: var(--ie-accent);
}

/* Interactive flow */
.ie-flow-interactive {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.ie-flow-node {
  min-width: 120px;
  padding: 1rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s var(--ie-ease);
}

.ie-flow-node:hover,
.ie-flow-node.is-active {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.12);
  color: var(--ie-text);
  box-shadow: 0 0 24px -4px var(--ie-accent-glow);
}

.ie-flow-node__icon {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.25rem;
}

.ie-flow-detail {
  min-height: 148px;
  padding: 1.75rem 2rem;
  margin-top: 0.5rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: opacity 0.3s var(--ie-ease);
}

.ie-flow-detail__title {
  margin: 0 0 0.625rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.ie-flow-detail__text {
  margin: 0 0 1.125rem;
  color: var(--ie-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.ie-flow-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.ie-flow-tag {
  padding: 0.35rem 0.75rem;
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(59, 130, 246, 0.15);
  color: var(--ie-accent-bright);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Wallet builder */
.ie-wallet-builder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.ie-wallet-tokens {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ie-wallet-token {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  cursor: pointer;
  transition: border-color 0.2s var(--ie-ease);
}

.ie-wallet-token.is-selected {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.08);
}

.ie-wallet-token input {
  accent-color: var(--ie-accent);
  width: 18px;
  height: 18px;
}

.ie-wallet-token__name {
  flex: 1;
  font-weight: 600;
}

.ie-slider-group {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ie-slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.ie-slider-row label {
  display: flex;
  justify-content: space-between;
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
}

.ie-slider-row input[type="range"] {
  width: 100%;
  accent-color: var(--ie-accent);
}

.ie-slider-row.is-disabled {
  opacity: 0.4;
}

.ie-slider-row.is-disabled input[type="range"] {
  cursor: not-allowed;
}

.ie-slider-row.is-disabled label {
  color: var(--ie-text-dim);
}

.ie-wallet-preview {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(52, 211, 153, 0.06);
  border-color: rgba(52, 211, 153, 0.25);
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.5s var(--ie-ease);
}

.ie-wallet-preview.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

.ie-benefit {
  padding: 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  text-align: center;
}

.ie-benefit__icon {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
  color: var(--ie-accent-bright);
}

.ie-benefit h4 {
  margin: 0 0 0.25rem;
  font-size: 0.875rem;
  font-weight: 700;
}

.ie-benefit p {
  margin: 0;
  color: var(--ie-text-dim);
  font-size: 0.75rem;
}

/* Categories grid */
.ie-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.ie-category {
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: var(--ie-surface);
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  animation: ieFloat 4s ease-in-out infinite;
}

.ie-category:nth-child(2n) { animation-delay: -1s; }
.ie-category:nth-child(3n) { animation-delay: -2s; }

/* Project onboarding */
.ie-onboard-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.ie-onboard-step {
  padding: 0.65rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: var(--ie-surface);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.ie-onboard-step.is-highlight {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.15);
  color: var(--ie-accent-bright);
}

.ie-badges {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.ie-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--ie-radius);
  font-size: 0.875rem;
  font-weight: 700;
}

.ie-badge--approved { background: rgba(52, 211, 153, 0.15); color: var(--ie-green); border: 1px solid rgba(52, 211, 153, 0.3); }
.ie-badge--verified { background: rgba(59, 130, 246, 0.15); color: var(--ie-accent-bright); border: 1px solid rgba(59, 130, 246, 0.3); }
.ie-badge--spendable { background: rgba(129, 140, 248, 0.15); color: var(--ie-purple); border: 1px solid rgba(129, 140, 248, 0.3); }

.ie-benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  max-width: 56rem;
  margin: 0 auto;
}

.ie-benefits-list li {
  padding: 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  color: var(--ie-text-muted);
  font-size: 0.875rem;
  list-style: none;
}

/* Spendable example */
.ie-spend-demo {
  max-width: 32rem;
  margin: 0 auto;
  padding: 2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
}

.ie-spend-demo.is-animating .ie-spend-step {
  animation: ieFadeUp 0.6s var(--ie-ease) both;
}

.ie-spend-step:nth-child(2) { animation-delay: 0.15s; }
.ie-spend-step:nth-child(4) { animation-delay: 0.3s; }
.ie-spend-step:nth-child(6) { animation-delay: 0.45s; }
.ie-spend-step:nth-child(8) { animation-delay: 0.6s; }

/* Network graph */
.ie-network {
  position: relative;
  width: 100%;
  max-width: 640px;
  height: 420px;
  margin: 0 auto;
}

.ie-network__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 0 60px var(--ie-accent-glow);
  z-index: 2;
}

.ie-network__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(59, 130, 246, 0.25);
  border-radius: 50%;
  animation: ieSpin 60s linear infinite;
}

.ie-network__ring--inner { width: 220px; height: 220px; }
.ie-network__ring--outer { width: 360px; height: 360px; animation-direction: reverse; animation-duration: 90s; }

.ie-network__node {
  position: absolute;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(12, 12, 18, 0.9);
  color: var(--ie-text-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
  animation: ieNodePulse 3s ease-in-out infinite;
}

.ie-network svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ie-network-line {
  stroke: rgba(59, 130, 246, 0.2);
  stroke-width: 1;
  fill: none;
}

.ie-network-line--active {
  stroke: url(#ieLineGrad);
  stroke-width: 1.5;
  stroke-dasharray: 6 8;
  animation: ieDash 2s linear infinite;
}

/* NETX hold flow */
.ie-netx-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.ie-perks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.ie-req-card,
.ie-perk {
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  text-align: left;
  transition: border-color 0.25s var(--ie-ease), transform 0.25s var(--ie-ease);
}

.ie-req-card:hover,
.ie-perk:hover {
  border-color: var(--ie-border-glow);
  transform: translateY(-2px);
}

.ie-req-card i,
.ie-perk i {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  color: var(--ie-accent-bright);
}

.ie-req-card h4,
.ie-perk span {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
}

.ie-req-card h4 {
  margin: 0 0 0.35rem;
}

.ie-perk span {
  margin: 0;
}

.ie-req-card p {
  margin: 0;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* Sandbox */
.ie-sandbox {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.ie-sandbox-panel {
  padding: 1.5rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: var(--ie-surface);
}

.ie-sandbox-panel h4 {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ie-text-dim);
}

.ie-draggable {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ie-drag-item {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(0, 0, 0, 0.3);
  color: var(--ie-text);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: grab;
  user-select: none;
  transition: transform 0.15s var(--ie-ease), box-shadow 0.15s var(--ie-ease);
}

.ie-drag-item:active { cursor: grabbing; }

.ie-drag-item.is-in-pool {
  opacity: 0.4;
  cursor: default;
}

.ie-drop-zone {
  min-height: 100px;
  margin-top: 0.75rem;
  padding: 1rem;
  border: 1px dashed var(--ie-border);
  border-radius: var(--ie-radius);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-content: flex-start;
}

.ie-drop-zone.is-drag-over {
  border-color: var(--ie-border-glow);
  background: rgba(59, 130, 246, 0.06);
}

.ie-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.ie-metric {
  padding: 0.75rem;
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.25);
}

.ie-metric__label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ie-metric__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ie-accent-bright);
  transition: color 0.3s var(--ie-ease);
}

.ie-merchant-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ie-merchant {
  padding: 0.65rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
}

/* B2B2C entry path */
.ie-entry-path {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 2.5rem;
}

.ie-entry-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 108px;
  padding: 1.25rem 1rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  text-align: center;
}

.ie-entry-step--highlight {
  border-color: rgba(59, 130, 246, 0.35);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.12), transparent);
}

.ie-entry-step__num {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  color: var(--ie-accent-bright);
  font-size: 0.6875rem;
  font-weight: 700;
}

.ie-entry-step__icon {
  font-size: 1.375rem;
  color: var(--ie-accent-bright);
}

.ie-entry-step strong {
  font-size: 0.8125rem;
  font-weight: 700;
}

.ie-entry-step__arrow {
  color: var(--ie-text-dim);
  font-size: 1.125rem;
  font-weight: 600;
}

.ie-split-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.ie-split-card {
  padding: 1.75rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: var(--ie-surface);
}

.ie-split-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ie-accent-bright);
}

.ie-split-card h3 i {
  font-size: 0.9375rem;
}

.ie-split-card p {
  margin: 0;
  color: var(--ie-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.ie-split-card strong {
  color: var(--ie-text);
}

/* ZKP grid */
.ie-zkp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.ie-zkp-card {
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: var(--ie-surface);
  text-align: center;
  transition: border-color 0.25s var(--ie-ease), transform 0.25s var(--ie-ease);
}

.ie-zkp-card:hover {
  border-color: var(--ie-border-glow);
  transform: translateY(-2px);
}

.ie-zkp-card i {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
  color: var(--ie-accent-bright);
}

.ie-zkp-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 700;
}

.ie-zkp-card p {
  margin: 0;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* C端两大能力 */
.ie-feature-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.ie-feature-card {
  padding: 2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), transparent);
}

.ie-feature-card__badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--ie-radius-pill, 9999px);
  background: rgba(59, 130, 246, 0.15);
  color: var(--ie-accent-bright);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ie-feature-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.ie-feature-card > p {
  margin: 0 0 1rem;
  color: var(--ie-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

.ie-feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ie-feature-list li {
  position: relative;
  padding-left: 1.125rem;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.ie-feature-list li + li {
  margin-top: 0.35rem;
}

.ie-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ie-accent);
}

.ie-section-label {
  margin: 0 0 1.25rem;
  color: var(--ie-text-dim);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

/* Bob case study */
.ie-case-study {
  max-width: 56rem;
  margin: 0 auto;
  padding: 2rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
}

.ie-case-study.is-animating .ie-case-block {
  animation: ieFadeUp 0.55s var(--ie-ease) both;
}

.ie-case-study.is-animating .ie-case-block:nth-child(1) { animation-delay: 0s; }
.ie-case-study.is-animating .ie-case-block:nth-child(3) { animation-delay: 0.2s; }
.ie-case-study.is-animating .ie-case-block:nth-child(5) { animation-delay: 0.4s; }

.ie-case-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.ie-case-block {
  flex: 1 1 160px;
  min-width: 140px;
  padding: 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius);
  background: rgba(0, 0, 0, 0.25);
  text-align: center;
}

.ie-case-block--split .ie-token-grid {
  justify-content: center;
  margin-top: 0.5rem;
}

.ie-case-block--done {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
}

.ie-case-block--done strong {
  color: var(--ie-green);
}

.ie-case-block--done strong i {
  margin-right: 0.35rem;
}

.ie-case-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ie-text-dim);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ie-case-price {
  display: block;
  margin-top: 0.35rem;
  color: var(--ie-cyan);
  font-size: 1.25rem;
  font-weight: 700;
}

.ie-case-note {
  display: block;
  margin-top: 0.35rem;
  color: var(--ie-text-dim);
  font-size: 0.75rem;
}

.ie-case-arrow {
  color: var(--ie-text-dim);
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* B端准入 */
.ie-req-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

/* 积分流程 */
.ie-points-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 2rem;
}

.ie-points-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-pill, 9999px);
  background: var(--ie-surface);
  font-size: 0.8125rem;
  font-weight: 600;
}

.ie-points-step i {
  color: var(--ie-accent-bright);
}

.ie-points-step--boost {
  border-color: rgba(129, 140, 248, 0.4);
  background: rgba(129, 140, 248, 0.1);
  color: var(--ie-purple);
}

.ie-points-step--boost i {
  color: var(--ie-purple);
}

/* 2026 愿景 */
.ie-vision-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.ie-vision-card {
  --vision-accent: var(--ie-cyan);
  --vision-glow: rgba(34, 211, 238, 0.22);
  --vision-icon-bg: rgba(34, 211, 238, 0.1);
  --vision-icon-border: rgba(34, 211, 238, 0.28);

  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 168px;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--ie-border);
  border-radius: var(--ie-radius-lg);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.01));
  text-align: left;
  overflow: hidden;
  transition:
    transform 0.35s var(--ie-ease),
    border-color 0.35s var(--ie-ease),
    box-shadow 0.35s var(--ie-ease);
}

.ie-vision-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--vision-accent), transparent 85%);
}

.ie-vision-card::after {
  content: "";
  position: absolute;
  top: -35%;
  right: -18%;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--vision-glow), transparent 68%);
  pointer-events: none;
  transition: opacity 0.35s var(--ie-ease);
}

.ie-vision-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 24px 56px -24px var(--vision-glow);
}

.ie-vision-card:hover::after {
  opacity: 1.25;
}

.ie-vision-card:nth-child(2) {
  --vision-accent: var(--ie-accent-bright);
  --vision-glow: rgba(59, 130, 246, 0.28);
  --vision-icon-bg: rgba(59, 130, 246, 0.12);
  --vision-icon-border: rgba(59, 130, 246, 0.32);
}

.ie-vision-card:nth-child(3) {
  --vision-accent: var(--ie-purple);
  --vision-glow: rgba(129, 140, 248, 0.28);
  --vision-icon-bg: rgba(129, 140, 248, 0.12);
  --vision-icon-border: rgba(129, 140, 248, 0.32);
}

.ie-vision-card:nth-child(4) {
  --vision-accent: var(--ie-green);
  --vision-glow: rgba(52, 211, 153, 0.28);
  --vision-icon-bg: rgba(52, 211, 153, 0.12);
  --vision-icon-border: rgba(52, 211, 153, 0.32);
}

.ie-vision-card__icon {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.875rem;
  height: 2.875rem;
  margin-bottom: 1.125rem;
  border: 1px solid var(--vision-icon-border);
  border-radius: 0.875rem;
  background: var(--vision-icon-bg);
  color: var(--vision-accent);
  font-size: 1.125rem;
  box-shadow: 0 8px 24px -12px var(--vision-glow);
  transition: transform 0.35s var(--ie-ease), box-shadow 0.35s var(--ie-ease);
}

.ie-vision-card:hover .ie-vision-card__icon {
  transform: scale(1.06);
  box-shadow: 0 12px 28px -10px var(--vision-glow);
}

.ie-vision-card h4 {
  position: relative;
  z-index: 1;
  margin: 0 0 0.5rem;
  color: var(--ie-text);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.ie-vision-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ie-text-muted);
  font-size: 0.8125rem;
  line-height: 1.65;
}

/* Final CTA */
.ie-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* Hero content visible even before JS runs */
.ie-section--hero .ie-reveal {
  opacity: 1;
  transform: none;
}

/* Scroll reveal */
.ie-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ie-ease), transform 0.7s var(--ie-ease);
}

.ie-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Animations */
@keyframes ieFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes iePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes ieFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes ieSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes ieNodePulse {
  0%, 100% { box-shadow: 0 0 0 rgba(59, 130, 246, 0); }
  50% { box-shadow: 0 0 16px rgba(59, 130, 246, 0.25); }
}

@keyframes ieDash {
  to { stroke-dashoffset: -28; }
}

/* Responsive */
@media (min-width: 901px) {
  .ie-sim-panel--wallet .ie-sim-panel__head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 1100px) {
  .ie-sim-grid {
    grid-template-columns: 1fr;
  }

  .ie-sim-panel {
    height: auto;
    min-height: 480px;
    overflow: visible;
  }

  .ie-sim-wallet,
  .ie-sim-panel--wallet .ie-sim-wallet {
    flex: 0 0 auto;
    height: auto;
    min-height: 100px;
    max-height: none;
    overflow: visible;
  }

  .ie-sim-pool__body {
    grid-template-columns: 1fr;
  }

  .ie-sim-pool__body > .ie-btn {
    width: 100%;
  }
}

@media (max-width: 900px) {
  .ie-sim-compare {
    grid-template-columns: 1fr;
  }

  .ie-compare,
  .ie-wallet-builder,
  .ie-sandbox,
  .ie-split-cards,
  .ie-feature-duo,
  .ie-zkp-grid,
  .ie-req-grid,
  .ie-vision-grid {
    grid-template-columns: 1fr;
  }

  .ie-zkp-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ie-entry-step__arrow {
    display: none;
  }

  .ie-case-arrow {
    transform: rotate(90deg);
  }

  .ie-benefits,
  .ie-perks {
    grid-template-columns: repeat(2, 1fr);
  }

  .ie-network {
    height: 340px;
    transform: scale(0.85);
  }
}

@media (max-width: 640px) {
  .ie-zkp-grid,
  .ie-vision-grid {
    grid-template-columns: 1fr;
  }

  .ie-benefits,
  .ie-perks {
    grid-template-columns: 1fr;
  }

  .ie-demo__input-wrap {
    flex-direction: column;
  }
}