/**
 * AI Agents pillar — art direction & full-section polish
 */

.ai-hub--art {
  --ai-art-glow: color-mix(in srgb, var(--ai-accent) 22%, transparent);
  --ai-art-violet: color-mix(in srgb, var(--ai-accent-2) 18%, transparent);
}

/* —— Hero —— */

.ai-hub--art .ai-hero {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 22%, var(--border-subtle));
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--surface-elevated, #fff) 92%, var(--ai-accent) 8%),
    color-mix(in srgb, var(--surface-elevated, #fff) 96%, var(--ai-accent-2) 4%)
  );
  box-shadow:
    0 28px 80px color-mix(in srgb, var(--ai-accent) 8%, transparent),
    inset 0 1px 0 rgb(255 255 255 / 0.45);
}

[data-theme="dark"] .ai-hub--art .ai-hero {
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--surface-elevated, #0f172a) 88%, var(--ai-accent) 12%),
    color-mix(in srgb, var(--surface-elevated, #0f172a) 94%, var(--ai-accent-2) 6%)
  );
  box-shadow: 0 32px 72px rgb(0 0 0 / 0.35);
}

.ai-hub--art .ai-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.28rem 0.65rem 0.28rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--ai-accent-border);
  background: linear-gradient(120deg, var(--ai-accent-soft), transparent 70%);
}

.ai-hub--art .ai-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ai-accent);
  box-shadow: 0 0 12px var(--ai-accent);
  animation: ai-kicker-pulse 2.4s ease-in-out infinite;
}

@keyframes ai-kicker-pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

/* pipeline-flow فقط در نسخه‌های قدیمی هیرو */

.ai-hub--art .ai-hero__flows.ai-pipeline-flow {
  position: relative;
  margin-top: 1.15rem;
  padding-top: 0.35rem;
}

.ai-hub--art .ai-pipeline-flow::before {
  content: "";
  position: absolute;
  inset-inline: 0.5rem;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--ai-accent-border) 20%,
    var(--ai-accent-border) 80%,
    transparent
  );
}

.ai-hub--art .ai-pipeline-flow li {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 18%, var(--border-subtle));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--ai-accent) 6%, var(--surface-elevated, #fff)),
    transparent 72%
  );
  font-weight: 600;
  transition:
    transform 0.35s var(--ai-ease),
    border-color 0.35s ease,
    box-shadow 0.35s var(--ai-ease);
}

@media (hover: hover) {
  .ai-hub--art .ai-pipeline-flow li:hover {
    transform: translateX(-4px);
    border-color: var(--ai-accent-border);
    box-shadow: 0 12px 28px color-mix(in srgb, var(--ai-accent) 10%, transparent);
  }
}

.ai-hub--art .ai-hero__stage {
  position: relative;
}

.ai-hub--art .ai-hero__stage::before {
  content: "";
  position: absolute;
  inset: -8% -12%;
  z-index: 0;
  background:
    radial-gradient(circle at 30% 40%, var(--ai-art-glow), transparent 42%),
    radial-gradient(circle at 70% 60%, var(--ai-art-violet), transparent 45%);
  pointer-events: none;
  opacity: 0.85;
}

.ai-hub--art .ai-stats,
.ai-hub--art .ai-loop {
  position: relative;
  z-index: 1;
}

.ai-hub--art .ai-stats {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 25%, var(--border-subtle));
  background: color-mix(in srgb, var(--surface-elevated, #fff) 78%, transparent);
  backdrop-filter: blur(10px);
}

.ai-hub--art .ai-stats__item strong {
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  background: linear-gradient(120deg, var(--ai-accent), var(--ai-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ai-hub--art .ai-loop {
  border: 1px dashed color-mix(in srgb, var(--ai-accent) 35%, var(--border-subtle));
  background:
    radial-gradient(circle at 50% 50%, var(--ai-accent-soft), transparent 55%),
    color-mix(in srgb, var(--surface-elevated, #fff) 82%, transparent);
}

.ai-hub--art .ai-loop::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 15%, transparent);
  animation: ai-orbit-spin 48s linear infinite;
  pointer-events: none;
}

@keyframes ai-orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

/* —— Marquee —— */

.ai-hub--art .ai-marquee__track span {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 12%, transparent);
  background: color-mix(in srgb, var(--surface-elevated, #fff) 70%, var(--ai-accent-soft));
}

/* —— Definition —— */

.ai-hub--art .ai-definition {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: var(--ai-radius-lg);
  border: 1px solid var(--ai-accent-border);
}

.ai-hub--art .ai-definition::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  top: -55%;
  inset-inline-start: -15%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ai-art-violet), transparent 68%);
  pointer-events: none;
}

.ai-capability-mosaic {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

@media (min-width: 640px) {
  .ai-capability-mosaic {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }
}

@media (min-width: 960px) {
  .ai-capability-mosaic {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-capability-mosaic li {
  position: relative;
  margin: 0;
  padding: 0.75rem 0.85rem 0.75rem 2.35rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 14%, var(--border-subtle));
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--ai-accent) 5%, var(--surface-elevated, #fff)),
    transparent 85%
  );
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--text-muted);
  transition:
    transform 0.3s var(--ai-ease),
    border-color 0.3s ease,
    box-shadow 0.3s var(--ai-ease);
}

.ai-capability-mosaic li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.85rem;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-2));
  box-shadow: 0 0 0 3px var(--ai-accent-soft);
}

.ai-capability-mosaic li:nth-child(3n + 2) {
  border-color: color-mix(in srgb, var(--ai-accent-2) 18%, var(--border-subtle));
}

@media (hover: hover) {
  .ai-capability-mosaic li:hover {
    transform: translateY(-3px);
    border-color: var(--ai-accent-border);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--ai-accent) 8%, transparent);
  }
}

.ai-hub--art .ai-definition__formula {
  position: relative;
  font-size: clamp(0.82rem, 2vw, 0.95rem);
  letter-spacing: 0.01em;
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--ai-accent) 14%, transparent),
    color-mix(in srgb, var(--ai-accent-2) 10%, transparent)
  );
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.25);
}

/* —— Systems catalog —— */

.ai-hub--art .ai-systems {
  position: relative;
}

.ai-hub--art .ai-systems__filters {
  position: relative;
  max-width: 52rem;
  margin-inline: auto;
  box-shadow: 0 12px 36px color-mix(in srgb, var(--ai-accent) 6%, transparent);
}

.ai-hub--art .ai-systems__filter.is-active {
  background: linear-gradient(135deg, var(--ai-accent-soft), color-mix(in srgb, var(--ai-accent-2) 12%, transparent));
}

.ai-hub--art .ai-system-card {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 12%, var(--border-subtle));
}

.ai-hub--art .ai-system-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--ai-accent), var(--ai-accent-2));
  opacity: 0.55;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.45s var(--ai-ease);
}

.ai-hub--art .ai-system-card:hover::before,
.ai-hub--art .ai-system-card:focus-within::before {
  transform: scaleX(1);
  transform-origin: left center;
}

.ai-hub--art .ai-system-card[data-category="chat"]::before {
  background: linear-gradient(90deg, #0d9488, #14b8a6);
}

.ai-hub--art .ai-system-card[data-category="knowledge"]::before {
  background: linear-gradient(90deg, #6366f1, #818cf8);
}

.ai-hub--art .ai-system-card[data-category="agent"]::before {
  background: linear-gradient(90deg, #d97706, #f59e0b);
}

.ai-hub--art .ai-system-card[data-category="data"]::before {
  background: linear-gradient(90deg, #0891b2, #22d3ee);
}

.ai-hub--art .ai-system-card.is-entering {
  animation: ai-card-in 0.42s var(--ai-ease);
}

@keyframes ai-card-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
}

.ai-hub--art .ai-system-card__icon {
  border-radius: 14px;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.35);
}

/* —— Stack fusion —— */

.ai-stack-fusion {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  align-items: center;
  max-width: 40rem;
  margin-inline: auto;
}

.ai-stack-fusion span {
  position: relative;
  margin: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 14px;
  font-size: 0.78rem;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--ai-accent) 8%, transparent);
  transition: transform 0.3s var(--ai-ease);
}

.ai-stack-fusion span:not(:last-child)::after {
  content: "×";
  position: absolute;
  inset-inline-start: calc(100% + 0.15rem);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--ai-accent);
  opacity: 0.7;
}

@media (hover: hover) {
  .ai-stack-fusion span:hover {
    transform: translateY(-4px) scale(1.03);
    z-index: 2;
  }
}

/* —— Levels podium —— */

.ai-hub--art .ai-level-card {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 16%, var(--border-subtle));
  overflow: hidden;
}

.ai-hub--art .ai-level-card::after {
  content: "";
  position: absolute;
  inset-inline-end: -20%;
  bottom: -30%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ai-accent-soft), transparent 70%);
  pointer-events: none;
}

.ai-hub--art .ai-levels__grid .ai-level-card:nth-child(1) {
  transform: translateY(0.75rem);
}

.ai-hub--art .ai-levels__grid .ai-level-card:nth-child(2) {
  border-color: var(--ai-accent-border);
  box-shadow: 0 20px 48px color-mix(in srgb, var(--ai-accent) 12%, transparent);
  z-index: 1;
}

.ai-hub--art .ai-levels__grid .ai-level-card:nth-child(3) {
  transform: translateY(1.25rem);
}

@media (max-width: 767px) {
  .ai-hub--art .ai-levels__grid .ai-level-card {
    transform: none !important;
  }
}

/* —— Architecture pipeline —— */

.ai-arch-pipeline {
  display: grid;
  gap: 0.65rem;
  max-width: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-arch-pipeline.ai-arch-stack li:not(:last-child)::after {
  content: "↓";
  display: block;
  position: static;
  transform: none;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--ai-accent);
  opacity: 0.65;
  text-align: center;
}

@media (min-width: 900px) {
  .ai-arch-pipeline {
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    align-items: stretch;
  }

  .ai-arch-pipeline.ai-arch-stack li:not(:last-child)::after {
    content: "←";
    display: block;
    position: absolute;
    inset-inline-start: calc(100% + 0.1rem);
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
    font-size: 0.75rem;
    text-align: center;
    color: var(--ai-accent);
    opacity: 0.5;
  }

  .ai-arch-pipeline li {
    position: relative;
    text-align: center;
    min-height: 5.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
  }
}

.ai-arch-pipeline li {
  padding: 0.85rem 0.75rem;
  border-radius: var(--ai-radius-md);
  border: 1px solid color-mix(in srgb, var(--ai-accent) 14%, var(--border-subtle));
  transition:
    transform 0.35s var(--ai-ease),
    box-shadow 0.35s var(--ai-ease),
    border-color 0.35s ease;
}

.ai-arch-pipeline li.is-lit {
  border-color: var(--ai-accent-border);
  box-shadow: 0 0 0 1px var(--ai-accent-soft), 0 16px 40px color-mix(in srgb, var(--ai-accent) 14%, transparent);
  transform: translateY(-4px);
}

.ai-arch-pipeline strong {
  font-size: 0.82rem;
}

.ai-arch-pipeline span {
  font-size: 0.68rem;
  line-height: 1.45;
}

/* —— Compare —— */

.ai-compare-panel {
  padding: 1.25rem 1.35rem;
  border-radius: var(--ai-radius-md);
  height: 100%;
  border: 1px solid var(--border-subtle);
  transition: transform 0.35s var(--ai-ease), box-shadow 0.35s var(--ai-ease);
}

.ai-compare-panel--simple {
  background: color-mix(in srgb, var(--surface-elevated, #fff) 92%, transparent);
}

.ai-compare-panel--ai {
  position: relative;
  overflow: hidden;
  border-color: var(--ai-accent-border);
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--ai-accent) 12%, transparent),
    color-mix(in srgb, var(--ai-accent-2) 6%, transparent) 55%,
    transparent
  );
}

.ai-compare-panel--ai::before {
  content: "AI";
  position: absolute;
  top: 0.65rem;
  inset-inline-end: 0.75rem;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--ai-accent);
  opacity: 0.35;
}

.ai-hub--art .ai-compare-split {
  position: relative;
}

@media (min-width: 768px) {
  .ai-hub--art .ai-compare-split::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 8%;
    bottom: 8%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--ai-accent-border), transparent);
    transform: translateX(-50%);
    pointer-events: none;
  }
}

/* —— HITL —— */

.ai-hitl--flow .ai-hitl__row {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 12%, var(--border-subtle));
  transition: transform 0.28s var(--ai-ease), border-color 0.28s ease;
}

.ai-hitl--flow .ai-hitl__row strong {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--ai-accent-soft);
  color: var(--ai-accent);
  white-space: nowrap;
}

.ai-hitl--flow .ai-hitl__row:nth-child(odd) strong {
  background: color-mix(in srgb, var(--ai-accent-2) 14%, transparent);
  color: color-mix(in srgb, var(--ai-accent-2) 85%, var(--text));
}

/* —— Integrate constellation —— */

.ai-hub--art .ai-integrate-grid {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 11.5rem), 1fr));
}

.ai-hub--art .ai-integrate-item {
  text-align: center;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 10%, var(--border-subtle));
  transition:
    transform 0.32s var(--ai-ease),
    box-shadow 0.32s var(--ai-ease),
    border-color 0.32s ease;
}

.ai-hub--art .ai-integrate-item span:first-child {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--ai-accent-soft), transparent 70%);
  border: 1px solid var(--ai-accent-border);
}

.ai-hub--art .ai-deliverables li {
  transition: transform 0.25s var(--ai-ease), box-shadow 0.25s ease;
}

@media (hover: hover) {
  .ai-hub--art .ai-deliverables li:hover {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 10px 22px color-mix(in srgb, var(--ai-accent) 12%, transparent);
  }
}

/* —— Scenarios stage —— */

.ai-hub--art .ai-tabs__panel {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 16%, var(--border-subtle));
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ai-accent) 5%, var(--surface-elevated, #fff)),
    transparent 45%
  );
  min-height: 8.5rem;
}

.ai-hub--art .ai-tabs__panel h3 {
  font-size: 1.1rem;
  color: var(--text);
}

.ai-hub--art .ai-tabs__panel::before {
  content: "◈";
  position: absolute;
  top: 1rem;
  inset-inline-end: 1.1rem;
  font-size: 0.75rem;
  color: var(--ai-accent);
  opacity: 0.45;
}

/* —— Phases ascend —— */

.ai-phases-ascend {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ai-phase;
}

@media (min-width: 720px) {
  .ai-phases-ascend {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.45rem;
    align-items: end;
  }

  .ai-phases-ascend li {
    min-height: calc(4.5rem + var(--ai-phase-lift, 0px));
    --ai-phase-lift: 0px;
  }

  .ai-phases-ascend li:nth-child(1) {
    --ai-phase-lift: 0px;
  }

  .ai-phases-ascend li:nth-child(2) {
    --ai-phase-lift: 12px;
  }

  .ai-phases-ascend li:nth-child(3) {
    --ai-phase-lift: 24px;
  }

  .ai-phases-ascend li:nth-child(4) {
    --ai-phase-lift: 36px;
  }

  .ai-phases-ascend li:nth-child(5) {
    --ai-phase-lift: 48px;
  }
}

.ai-phases-ascend li {
  position: relative;
  padding: 0.85rem 0.65rem;
  border-radius: var(--ai-radius-md);
  text-align: center;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 14%, var(--border-subtle));
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ai-accent) 8%, transparent),
    transparent
  );
  margin-bottom: var(--ai-phase-lift, 0);
  transition:
    transform 0.35s var(--ai-ease),
    box-shadow 0.35s var(--ai-ease);
}

@media (hover: hover) {
  .ai-phases-ascend li:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px color-mix(in srgb, var(--ai-accent) 10%, transparent);
    z-index: 2;
  }
}

.ai-phases-ascend strong {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* —— Multi-agent roles —— */

.ai-hub--art .ai-audience-card {
  border: 1px solid color-mix(in srgb, var(--ai-accent-2) 16%, var(--border-subtle));
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--ai-accent-2) 6%, transparent),
    transparent 70%
  );
}

.ai-hub--art .ai-audience-card h3 {
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--ai-accent-2) 75%, var(--text));
}

/* —— Process reel —— */

.ai-hub--art .ai-process {
  position: relative;
}

@media (min-width: 900px) {
  .ai-hub--art .ai-process {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.55rem;
  }

  .ai-hub--art .ai-process li {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
    min-height: 7.5rem;
  }

  .ai-hub--art .ai-process__step {
    font-size: 1.5rem;
    opacity: 1;
  }
}

.ai-hub--art .ai-process li {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 10%, var(--border-subtle));
  transition: border-color 0.3s ease, box-shadow 0.3s var(--ai-ease);
}

.ai-hub--art .ai-process li:hover {
  border-color: var(--ai-accent-border);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--ai-accent) 8%, transparent);
}

/* —— Outcomes —— */

.ai-hub--art .ai-outcome-card {
  position: relative;
  overflow: hidden;
}

.ai-hub--art .ai-outcome-card::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  bottom: -40%;
  inset-inline-start: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ai-accent-soft), transparent 70%);
  pointer-events: none;
}

/* —— When not —— */

.ai-hub--art .ai-not {
  border: 1px solid color-mix(in srgb, #f59e0b 35%, var(--border-subtle));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #f59e0b 8%, transparent),
    transparent 65%
  );
}

.ai-hub--art .ai-not h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ai-hub--art .ai-not h2::before {
  content: "!";
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #b45309;
  background: color-mix(in srgb, #f59e0b 18%, transparent);
}

/* —— FAQ studio —— */

.ai-hub--art .ai-faq {
  gap: 0.75rem;
}

.ai-hub--art .ai-faq__item {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 10%, var(--border-subtle));
}

.ai-hub--art .ai-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.ai-hub--art .ai-faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 1.65rem;
  height: 1.65rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1;
  border: 1px solid var(--border-subtle);
  color: var(--ai-accent);
  transition: transform 0.3s var(--ai-ease), background 0.3s ease;
}

.ai-hub--art .ai-faq__item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--ai-accent-soft);
  border-color: var(--ai-accent-border);
}

/* —— CTA finale —— */

.ai-hub--art .ai-cta,
.ai-hub--art .ai-mid-cta {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 28%, var(--border-subtle));
}

.ai-hub--art .ai-cta-examples li {
  border-inline-start: 3px solid var(--ai-accent-border);
  background: color-mix(in srgb, var(--surface-elevated, #fff) 75%, var(--ai-accent-soft));
  font-style: normal;
}

.ai-finale-glow {
  position: relative;
  overflow: hidden;
}

.ai-finale-glow::before {
  content: "";
  position: absolute;
  inset: -30% 20% auto;
  height: 80%;
  background: radial-gradient(ellipse, var(--ai-art-glow), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* —— Section bands —— */

.ai-hub--art .ai-section--band {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--ai-accent) 18%, transparent);
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--ai-accent) 11%, transparent),
    color-mix(in srgb, var(--ai-accent-2) 5%, transparent) 48%,
    color-mix(in srgb, var(--surface-elevated, #fff) 40%, transparent) 100%
  );
}

.ai-hub--art .ai-section--band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgb(15 23 42 / 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
  pointer-events: none;
}

.ai-hub--art .ai-section--band > * {
  position: relative;
  z-index: 1;
}

/* —— Related & links —— */

.ai-hub--art .ai-article-card,
.ai-hub--art .ai-svc-card {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 10%, var(--border-subtle));
}

.ai-hub--art .ai-links__item {
  border: 1px solid color-mix(in srgb, var(--ai-accent) 14%, var(--border-subtle));
  background: linear-gradient(135deg, var(--ai-accent-soft), transparent 80%);
}

/* —— Reduced motion —— */

@media (prefers-reduced-motion: reduce) {
  .ai-hub--art .ai-kicker::before,
  .ai-hub--art .ai-loop::after,
  .ai-hub--art .ai-system-card.is-entering {
    animation: none;
  }

  .ai-hub--art .ai-levels__grid .ai-level-card {
    transform: none !important;
  }
}