.ai-hero {
  padding: 12px;
  overflow-x: clip;
}

.ai-hero-grid {
  position: relative;
  display: grid;
  min-height: calc(100vh - var(--header-height) - 24px);
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  align-items: center;
  gap: clamp(38px, 6vw, 84px);
  max-width: var(--page-max);
  padding-top: clamp(52px, 7vw, 94px);
  padding-bottom: clamp(52px, 7vw, 94px);
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--color-accent);
}

.ai-hero-grid::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--color-on-accent-hover) 1px, transparent 1.4px);
  background-size: 18px 18px;
  content: "";
  pointer-events: none;
}

.ai-hero-copy,
.ai-route-board {
  position: relative;
  z-index: 1;
}

.ai-hero-copy {
  padding-left: clamp(10px, 2vw, 28px);
}

.ai-hero-badge {
  border-color: var(--color-on-accent-line);
  background: var(--color-on-accent-hover);
  color: var(--color-on-accent);
}

.ai-hero-badge .status-dot {
  background: var(--color-on-accent);
}

.ai-hero h1 {
  max-width: 680px;
  margin-top: 22px;
  color: var(--color-on-accent);
  font-size: clamp(52px, 5.5vw, 70px);
}

.ai-hero-lead {
  max-width: 650px;
  color: var(--color-on-accent-muted);
  font-size: clamp(17px, 1.8vw, 21px);
}

.ai-hero .button-row {
  margin-top: 28px;
}

.ai-fact-row {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.ai-fact-row li {
  padding: 5px 12px;
  border: 1px solid var(--color-on-accent-faint);
  border-radius: var(--radius-pill);
  color: var(--color-on-accent-muted);
  font-size: 12px;
  font-weight: 700;
}

.ai-route-board {
  padding: 18px;
  border: 1px solid var(--color-on-accent-line);
  border-radius: var(--radius-lg);
  background: var(--color-on-accent-hover);
}

.ai-board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-on-accent-faint);
  color: var(--color-on-accent-muted);
  font-size: 12px;
}

.ai-board-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ai-board-state .status-dot {
  background: var(--color-on-accent);
}

.ai-route-board svg {
  width: 100%;
}

.ai-route-grid {
  fill: none;
  stroke: var(--color-on-accent);
  stroke-opacity: .08;
  stroke-width: 1;
}

.ai-route-path {
  fill: none;
  stroke: var(--color-on-accent);
  stroke-linecap: round;
}

.ai-route-path-muted {
  stroke-dasharray: 7 9;
  stroke-opacity: .28;
  stroke-width: 2;
}

.ai-route-path-main {
  stroke-width: 5;
}

.ai-route-origin,
.ai-route-destination {
  fill: var(--color-on-accent);
}

.ai-route-node {
  fill: var(--color-accent);
  stroke: var(--color-on-accent);
  stroke-width: 4;
}

.ai-route-pulse {
  fill: var(--color-on-accent);
  animation: ai-route-travel 5.4s linear infinite;
}

.ai-route-text {
  fill: var(--color-on-accent-muted);
  font: 600 13px var(--font-mono);
}

.ai-tool-cloud {
  display: flex;
  justify-content: center;
  gap: 7px;
  flex-wrap: wrap;
}

.ai-tool-cloud span {
  padding: 5px 10px;
  border: 1px solid var(--color-on-accent-faint);
  border-radius: var(--radius-pill);
  color: var(--color-on-accent-muted);
  font-size: 11px;
  font-weight: 700;
}

@keyframes ai-route-travel {
  from {
    opacity: 0;
    transform: translateX(0);
  }

  10%,
  90% {
    opacity: 1;
  }

  to {
    opacity: 0;
    transform: translateX(468px);
  }
}

.ai-section-heading {
  max-width: 820px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.ai-section-heading .lead {
  margin-bottom: 0;
}

.ai-panel-section {
  background: var(--color-panel);
}

.ai-demand-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
}

.ai-demand-card {
  padding: 34px;
  border-bottom: 1px solid var(--color-border);
}

.ai-demand-card:nth-child(odd) {
  border-right: 1px solid var(--color-border);
}

.ai-demand-card > .mono,
.ai-closing-panel .mono,
.ai-signup-note .mono {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
}

.ai-demand-card h3 {
  font-size: clamp(22px, 2.5vw, 28px);
}

.ai-demand-card p {
  margin-bottom: 0;
}

.ai-tool-table td:first-child {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 800;
}

.ai-flow {
  border-top: 1px solid var(--color-border);
}

.ai-flow-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-border);
}

.ai-flow-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.ai-flow-item p {
  max-width: 920px;
  margin-bottom: 0;
}

.ai-signup-note {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  margin-top: 42px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--color-accent-line);
  border-radius: var(--radius-lg);
  background: var(--color-accent-soft);
}

.ai-signup-note h3 {
  margin-bottom: 9px;
}

.ai-signup-note p {
  margin-bottom: 0;
}

.ai-two-column,
.ai-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ai-two-column .panel {
  background: var(--color-bg);
}

.ai-two-column p:last-child,
.ai-choice-grid p:last-child {
  margin-bottom: 0;
}

.ai-dev-list .spec-number {
  width: 48px;
  font-size: 11px;
}

.ai-dev-list .spec-item p {
  margin-bottom: 0;
}

.ai-choice-grid .card {
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.ai-choice-grid .card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.ai-closing-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 44px;
  margin-top: 52px;
  padding: clamp(30px, 5vw, 58px);
  border-radius: var(--radius-panel);
  background: var(--color-text);
  color: var(--color-bg);
}

.ai-closing-panel h2 {
  color: var(--color-bg);
}

.ai-closing-panel p {
  max-width: 840px;
  color: var(--color-panel-strong);
}

.ai-closing-panel .mono {
  color: var(--color-accent);
}

.ai-closing-panel .button-row {
  justify-content: flex-end;
}

.ai-closing-panel .btn-primary {
  border-color: var(--color-accent);
}

.ai-closing-panel .btn-secondary {
  border-color: var(--color-bg);
  background: transparent;
  color: var(--color-bg);
}

.ai-closing-panel .btn-secondary:hover {
  background: var(--color-overlay);
}

@media (max-width: 980px) {
  .ai-hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .ai-hero-copy {
    max-width: 760px;
    padding-left: 0;
  }

  .ai-route-board {
    width: min(760px, 100%);
  }

  .ai-closing-panel {
    grid-template-columns: 1fr;
  }

  .ai-closing-panel .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .ai-hero {
    padding: 8px;
  }

  .ai-hero-grid {
    gap: 38px;
    padding-top: 52px;
    padding-bottom: 44px;
  }

  .ai-hero h1 {
    font-size: clamp(32px, 9.8vw, 40px);
  }

  .ai-route-board {
    padding: 14px;
  }

  .ai-route-path-muted,
  .ai-route-grid {
    display: none;
  }

  .ai-demand-grid,
  .ai-two-column,
  .ai-choice-grid {
    grid-template-columns: 1fr;
  }

  .ai-demand-card {
    padding-inline: 0;
  }

  .ai-demand-card:nth-child(odd) {
    border-right: 0;
  }

  .ai-signup-note {
    grid-template-columns: 1fr;
  }

  .ai-signup-note .btn {
    width: 100%;
  }

  .ai-closing-panel {
    gap: 28px;
  }
}

@media (max-width: 540px) {
  .ai-route-board svg {
    margin-block: 8px;
  }

  .ai-board-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .ai-flow-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-closing-panel .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .ai-closing-panel .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-route-pulse {
    animation: none;
    transform: translateX(234px);
  }
}