/**
 * On-Chain AI Protocol page — visual layer
 */

.page-on-chain-ai .ai-hero {
  position: relative;
  padding: 40px 0 56px;
  overflow: hidden;
}

@media (min-width: 969px) {
  .page-on-chain-ai .ai-hero {
    padding: 100px 0 72px;
  }
}

.page-on-chain-ai .ai-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.page-on-chain-ai .ai-hero__content .hero-title {
  text-align: left;
  font-size: clamp(2rem, 4vw, 3rem) !important;
}

.page-on-chain-ai .ai-hero__content .hero-description {
  text-align: left;
  max-width: none;
  margin: 0;
}

.page-on-chain-ai .ai-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-on-chain-ai .ai-pill {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.08);
  color: var(--proto-cyan);
}

.page-on-chain-ai .ai-hero__visual {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-on-chain-ai .ai-stack-diagram {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-on-chain-ai .ai-stack-layer {
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  backdrop-filter: blur(8px);
  font-family: var(--proto-font-mono);
  font-size: 11px;
  text-align: center;
  color: var(--proto-text-muted);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-on-chain-ai .ai-stack-layer:hover {
  transform: translateX(4px);
  border-color: rgba(59, 130, 246, 0.4);
}

.page-on-chain-ai .ai-stack-layer--chain {
  border-color: rgba(59, 130, 246, 0.35);
  color: var(--proto-blue);
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.1);
}

.page-on-chain-ai .ai-stack-layer--exec {
  border-color: rgba(34, 211, 238, 0.3);
  color: var(--proto-cyan);
}

.page-on-chain-ai .ai-stack-arrow {
  text-align: center;
  color: var(--proto-text-muted);
  font-size: 14px;
  opacity: 0.5;
  line-height: 1;
}

/* Section blocks */
.page-on-chain-ai .ai-block {
  padding: 80px 0;
  position: relative;
}

.page-on-chain-ai .ai-block--alt {
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.45), transparent);
}

.page-on-chain-ai .ai-block__header {
  margin-bottom: 40px;
}

.page-on-chain-ai .ai-block__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--proto-cyan);
  margin-bottom: 12px;
}

.page-on-chain-ai .ai-block__eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--proto-cyan);
}

.page-on-chain-ai .ai-block__title {
  font-family: var(--proto-font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.page-on-chain-ai .ai-block__lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--proto-text-muted);
  max-width: 640px;
  margin: 0;
}

.page-on-chain-ai .ai-quote-panel {
  margin-top: 28px;
  padding: 24px 28px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid rgba(34, 211, 238, 0.25);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(59, 130, 246, 0.04));
  font-size: 15px;
  line-height: 1.7;
  color: var(--proto-text);
  position: relative;
  overflow: hidden;
}

.page-on-chain-ai .ai-quote-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--proto-cyan), var(--proto-blue));
}

/* Problem cards */
.page-on-chain-ai .ai-problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.page-on-chain-ai .ai-problem-card {
  padding: 20px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-on-chain-ai .ai-problem-card:hover {
  transform: translateY(-3px);
  border-color: rgba(239, 68, 68, 0.3);
}

.page-on-chain-ai .ai-problem-card__num {
  font-family: var(--proto-font-mono);
  font-size: 10px;
  font-weight: 600;
  color: #f87171;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.page-on-chain-ai .ai-problem-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--proto-text-muted);
  margin: 0;
}

/* Pipeline */
.page-on-chain-ai .ai-pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding: 8px 0 16px;
  margin-top: 24px;
}

.page-on-chain-ai .ai-pipeline__step {
  flex: 1;
  min-width: 100px;
  position: relative;
  text-align: center;
  padding: 0 8px;
}

.page-on-chain-ai .ai-pipeline__step::after {
  content: '→';
  position: absolute;
  right: -6px;
  top: 18px;
  color: var(--proto-cyan);
  opacity: 0.4;
  font-size: 12px;
}

.page-on-chain-ai .ai-pipeline__step:last-child::after {
  display: none;
}

.page-on-chain-ai .ai-pipeline__node {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 8px;
  border-radius: 8px;
  border: 1px solid var(--proto-border);
  background: rgba(15, 23, 42, 0.8);
  font-family: var(--proto-font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--proto-cyan);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.page-on-chain-ai .ai-pipeline--vertical {
  flex-direction: column;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}

.page-on-chain-ai .ai-pipeline--vertical .ai-pipeline__step {
  width: 100%;
  padding: 0;
}

.page-on-chain-ai .ai-pipeline--vertical .ai-pipeline__step::after {
  content: '↓';
  position: static;
  display: block;
  text-align: center;
  padding: 4px 0;
}

.page-on-chain-ai .ai-pipeline--vertical .ai-pipeline__step:last-child::after {
  display: none;
}

/* Split architecture */
.page-on-chain-ai .ai-arch-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 32px;
}

.page-on-chain-ai .ai-arch-panel {
  border-radius: var(--proto-radius);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  padding: 28px;
  backdrop-filter: blur(10px);
}

.page-on-chain-ai .ai-arch-panel--chain {
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.08);
}

.page-on-chain-ai .ai-arch-panel--worker {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.06);
}

.page-on-chain-ai .ai-arch-panel__label {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-on-chain-ai .ai-arch-panel--chain .ai-arch-panel__label { color: var(--proto-blue); }
.page-on-chain-ai .ai-arch-panel--worker .ai-arch-panel__label { color: var(--proto-cyan); }

.page-on-chain-ai .ai-arch-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-on-chain-ai .ai-arch-tag {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--proto-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--proto-text-muted);
}

.page-on-chain-ai .ai-arch-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-top: 60px;
  color: var(--proto-text-muted);
  font-family: var(--proto-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.page-on-chain-ai .ai-arch-divider__line {
  width: 1px;
  height: 80px;
  background: linear-gradient(180deg, var(--proto-blue), var(--proto-cyan));
  opacity: 0.5;
}

/* Module bento */
.page-on-chain-ai .ai-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.page-on-chain-ai .ai-module {
  position: relative;
  padding: 24px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(8, 12, 24, 0.5));
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-on-chain-ai .ai-module:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 16px 48px rgba(59, 130, 246, 0.12);
}

.page-on-chain-ai .ai-module__index {
  font-family: var(--proto-font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--proto-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.page-on-chain-ai .ai-module__title {
  font-family: var(--proto-font-display);
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--proto-text);
}

.page-on-chain-ai .ai-module__desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--proto-text-muted);
  margin: 0;
}

.page-on-chain-ai .ai-module::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15), transparent 70%);
  pointer-events: none;
}

/* Worker section */
.page-on-chain-ai .ai-worker-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.page-on-chain-ai .ai-terminal {
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.page-on-chain-ai .ai-terminal__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--proto-border);
}

.page-on-chain-ai .ai-terminal__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--proto-border-strong);
}

.page-on-chain-ai .ai-terminal__dot--active { background: var(--proto-cyan); }

.page-on-chain-ai .ai-terminal__title {
  margin-left: 8px;
  font-family: var(--proto-font-mono);
  font-size: 11px;
  color: var(--proto-text-muted);
}

.page-on-chain-ai .ai-terminal__body {
  padding: 20px;
  font-family: var(--proto-font-mono);
  font-size: 11px;
  line-height: 1.8;
  color: var(--proto-cyan);
  overflow-x: auto;
}

.page-on-chain-ai .ai-tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-on-chain-ai .ai-tag {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  color: var(--proto-text-muted);
}

/* Economy dual */
.page-on-chain-ai .ai-economy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.page-on-chain-ai .ai-token-card {
  padding: 28px;
  border-radius: var(--proto-radius);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
}

.page-on-chain-ai .ai-token-card--primary {
  border-color: rgba(59, 130, 246, 0.4);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.12), rgba(15, 23, 42, 0.6));
}

.page-on-chain-ai .ai-token-card__icon {
  font-family: var(--proto-font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--proto-blue);
  margin-bottom: 12px;
}

.page-on-chain-ai .ai-token-card h3 {
  font-family: var(--proto-font-display);
  font-size: 16px;
  margin: 0 0 10px;
}

.page-on-chain-ai .ai-token-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--proto-text-muted);
  margin: 0;
}

/* Payment steps */
.page-on-chain-ai .ai-payment-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-payment-step {
  text-align: center;
  padding: 20px 12px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  position: relative;
}

.page-on-chain-ai .ai-payment-step::after {
  content: '→';
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--proto-cyan);
  opacity: 0.5;
  font-size: 14px;
}

.page-on-chain-ai .ai-payment-step:last-child::after { display: none; }

.page-on-chain-ai .ai-payment-step__num {
  font-family: var(--proto-font-mono);
  font-size: 10px;
  color: var(--proto-cyan);
  margin-bottom: 8px;
}

.page-on-chain-ai .ai-payment-step__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--proto-text);
  margin-bottom: 6px;
}

.page-on-chain-ai .ai-payment-step__desc {
  font-size: 11px;
  color: var(--proto-text-muted);
  line-height: 1.4;
}

/* Boundary */
.page-on-chain-ai .ai-boundary-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-boundary-panel {
  border-radius: var(--proto-radius);
  padding: 28px;
  border: 1px solid var(--proto-border);
}

.page-on-chain-ai .ai-boundary-panel--off {
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.08), rgba(15, 23, 42, 0.5));
  border-color: rgba(139, 92, 246, 0.25);
}

.page-on-chain-ai .ai-boundary-panel--on {
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.1), rgba(15, 23, 42, 0.5));
  border-color: rgba(59, 130, 246, 0.3);
}

.page-on-chain-ai .ai-boundary-panel h3 {
  font-family: var(--proto-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-on-chain-ai .ai-boundary-panel--off h3 { color: var(--proto-violet); }
.page-on-chain-ai .ai-boundary-panel--on h3 { color: var(--proto-blue); }

/* Security timeline */
.page-on-chain-ai .ai-phase-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-phase {
  padding: 20px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  border-top: 3px solid var(--proto-blue);
  transition: transform 0.2s ease;
}

.page-on-chain-ai .ai-phase:hover { transform: translateY(-3px); }

.page-on-chain-ai .ai-phase:nth-child(2) { border-top-color: #6366f1; }
.page-on-chain-ai .ai-phase:nth-child(3) { border-top-color: var(--proto-cyan); }
.page-on-chain-ai .ai-phase:nth-child(4) { border-top-color: var(--proto-violet); }

.page-on-chain-ai .ai-phase__label {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--proto-cyan);
  margin-bottom: 10px;
}

.page-on-chain-ai .ai-phase p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--proto-text-muted);
  margin: 0;
}

/* Privacy ladder */
.page-on-chain-ai .ai-privacy-ladder {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-privacy-tier {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  align-items: center;
  padding: 18px 22px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  transition: border-color 0.2s ease;
}

.page-on-chain-ai .ai-privacy-tier:hover {
  border-color: var(--proto-border-strong);
}

.page-on-chain-ai .ai-privacy-tier__level {
  font-family: var(--proto-font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--proto-cyan);
}

.page-on-chain-ai .ai-privacy-tier__bar {
  height: 4px;
  border-radius: 2px;
  background: var(--proto-border);
  margin-top: 6px;
  overflow: hidden;
}

.page-on-chain-ai .ai-privacy-tier__fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--proto-blue), var(--proto-cyan));
}

.page-on-chain-ai .ai-privacy-tier:nth-child(1) .ai-privacy-tier__fill { width: 25%; }
.page-on-chain-ai .ai-privacy-tier:nth-child(2) .ai-privacy-tier__fill { width: 50%; }
.page-on-chain-ai .ai-privacy-tier:nth-child(3) .ai-privacy-tier__fill { width: 75%; }
.page-on-chain-ai .ai-privacy-tier:nth-child(4) .ai-privacy-tier__fill { width: 100%; }

.page-on-chain-ai .ai-privacy-tier p {
  font-size: 13px;
  color: var(--proto-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Positioning + vision */
.page-on-chain-ai .ai-role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-role-card {
  padding: 24px 20px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-on-chain-ai .ai-role-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.1);
}

.page-on-chain-ai .ai-role-card__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-family: var(--proto-font-mono);
  font-size: 14px;
  color: var(--proto-cyan);
}

.page-on-chain-ai .ai-role-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 8px;
}

.page-on-chain-ai .ai-role-card p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--proto-text-muted);
  margin: 0;
}

.page-on-chain-ai .ai-vision-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-vision-step {
  padding: 24px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  position: relative;
}

.page-on-chain-ai .ai-vision-step__tag {
  font-family: var(--proto-font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--proto-blue);
  margin-bottom: 12px;
}

.page-on-chain-ai .ai-vision-step p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--proto-text-muted);
  margin: 0;
}

.page-on-chain-ai .ai-footer-banner {
  margin-top: 40px;
  padding: 28px 32px;
  border-radius: var(--proto-radius);
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(34, 211, 238, 0.05));
  text-align: center;
}

.page-on-chain-ai .ai-footer-banner p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--proto-text-muted);
  margin: 0;
  max-width: 720px;
  margin-inline: auto;
}

.page-on-chain-ai .ai-flow-banner {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--proto-radius-sm);
  border: 1px dashed var(--proto-border);
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--proto-font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--proto-cyan);
  text-align: center;
}

.page-on-chain-ai .ai-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-compare-panel {
  padding: 24px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
}

.page-on-chain-ai .ai-compare-panel--alt {
  border-color: rgba(59, 130, 246, 0.35);
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.08), rgba(15, 23, 42, 0.5));
}

.page-on-chain-ai .ai-compare-panel h3 {
  font-family: var(--proto-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
  color: var(--proto-blue);
}

.page-on-chain-ai .ai-compare-panel p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--proto-text-muted);
  margin: 0;
}

.page-on-chain-ai .ai-abstraction-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-on-chain-ai .ai-abstraction-pillar {
  padding: 18px 16px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--proto-cyan);
  text-align: center;
}

.page-on-chain-ai .ai-layer-stack {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-on-chain-ai .ai-layer-card {
  padding: 18px 14px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: var(--proto-surface);
  text-align: center;
}

.page-on-chain-ai .ai-layer-card__name {
  font-family: var(--proto-font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--proto-cyan);
  margin-bottom: 6px;
}

.page-on-chain-ai .ai-layer-card p {
  font-size: 11px;
  color: var(--proto-text-muted);
  margin: 0;
}

.page-on-chain-ai .ai-benefit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-on-chain-ai .ai-benefit-tag {
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.06);
  color: var(--proto-text-muted);
}

.page-on-chain-ai .ai-role-grid--6 {
  grid-template-columns: repeat(3, 1fr);
}

.page-on-chain-ai .ai-settlement-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-on-chain-ai .ai-settlement-list li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--proto-text-muted);
  margin-bottom: 12px;
  padding-left: 16px;
  position: relative;
}

.page-on-chain-ai .ai-settlement-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--proto-cyan);
}

.page-on-chain-ai .ai-cheat-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-on-chain-ai .ai-mono-panel {
  margin-top: 20px;
  padding: 20px;
  border-radius: var(--proto-radius-sm);
  border: 1px solid var(--proto-border);
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--proto-font-mono);
  font-size: 11px;
  line-height: 1.8;
  color: var(--proto-text-muted);
  white-space: pre-wrap;
}

/* Responsive */
@media (max-width: 1024px) {
  .page-on-chain-ai .ai-hero__inner { grid-template-columns: 1fr; }
  .page-on-chain-ai .ai-hero__visual { min-height: 240px; }
  .page-on-chain-ai .ai-bento { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-arch-split { grid-template-columns: 1fr; }
  .page-on-chain-ai .ai-arch-divider { display: none; }
  .page-on-chain-ai .ai-worker-grid { grid-template-columns: 1fr; }
  .page-on-chain-ai .ai-economy-grid { grid-template-columns: 1fr; }
  .page-on-chain-ai .ai-phase-track { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-role-grid,
  .page-on-chain-ai .ai-role-grid--6 { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-layer-stack { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-abstraction-grid { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-compare-grid { grid-template-columns: 1fr; }
  .page-on-chain-ai .ai-payment-steps { grid-template-columns: repeat(2, 1fr); }
  .page-on-chain-ai .ai-payment-step::after { display: none; }
}

@media (max-width: 640px) {
  .page-on-chain-ai .ai-problem-grid,
  .page-on-chain-ai .ai-bento,
  .page-on-chain-ai .ai-phase-track,
  .page-on-chain-ai .ai-role-grid,
  .page-on-chain-ai .ai-role-grid--6,
  .page-on-chain-ai .ai-vision-track,
  .page-on-chain-ai .ai-boundary-split,
  .page-on-chain-ai .ai-payment-steps,
  .page-on-chain-ai .ai-layer-stack,
  .page-on-chain-ai .ai-abstraction-grid,
  .page-on-chain-ai .ai-compare-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-on-chain-ai .ai-block {
    padding: 52px 0;
  }

  .page-on-chain-ai .ai-block__header {
    margin-bottom: 24px;
  }

  .page-on-chain-ai .ai-flow-banner {
    margin-top: 20px;
    margin-bottom: 4px;
  }

  .page-on-chain-ai .ai-privacy-tier {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px 14px;
  }

  .page-on-chain-ai .ai-pipeline {
    flex-direction: column;
    gap: 10px;
  }

  .page-on-chain-ai .ai-pipeline__step::after {
    content: '↓';
    position: static;
    display: block;
    padding: 6px 0;
  }
}