/* کاتالوگ انواع سیستم‌های AI */

.ai-systems {
  scroll-margin-top: var(--ai-scroll-offset);
}

.ai-systems__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-bottom: 1.35rem;
  padding: 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--surface-elevated) 88%, transparent);
}

.ai-systems__filter {
  padding: 0.45rem 0.85rem;
  border: none;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
  background: transparent;
  transition: background 0.25s var(--ai-ease), color 0.25s ease, box-shadow 0.25s;
}

.ai-systems__filter.is-active {
  color: var(--ai-accent);
  background: var(--ai-accent-soft);
  box-shadow: 0 0 0 1px var(--ai-accent-border);
}

.ai-systems__filter:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ai-accent) 55%, transparent);
  outline-offset: 2px;
}

.ai-systems__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17.5rem), 1fr));
}

.ai-system-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem 1.2rem 1.2rem;
  border-radius: var(--ai-radius-md);
  min-height: 100%;
  transition: opacity 0.35s ease, transform 0.35s var(--ai-ease);
}

.ai-system-card.is-hidden {
  display: none;
}

.ai-system-card__head {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.ai-system-card__num {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--ai-accent);
  padding: 0.2rem 0.45rem;
  border-radius: 8px;
  background: var(--ai-accent-soft);
  border: 1px solid var(--ai-accent-border);
}

.ai-system-card__icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: var(--ai-accent-soft);
  color: var(--ai-accent);
}

.ai-system-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.45;
}

.ai-system-card__teaser {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}

.ai-system-card__body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--text-muted);
}

.ai-system-card__uses {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}

.ai-system-card__uses li {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--surface-elevated) 90%, transparent);
}

.ai-system-card__flow {
  margin: 0.35rem 0 0;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  font-size: 0.72rem;
  line-height: 1.55;
  border-inline-start: 3px solid var(--ai-accent-border);
  background: var(--ai-accent-soft);
  color: var(--text-muted);
}

.ai-definition__formula {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--ai-radius-md);
  text-align: center;
  font-weight: 700;
  font-size: var(--text-sm);
  border: 1px dashed var(--ai-accent-border);
  background: var(--ai-accent-soft);
}

.ai-levels__grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ai-levels__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-level-card {
  padding: 1.25rem 1.2rem;
  border-radius: var(--ai-radius-md);
  height: 100%;
}

.ai-level-card__badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--ai-accent);
  margin-bottom: 0.35rem;
}

.ai-arch-stack {
  display: grid;
  gap: 0.5rem;
  max-width: 28rem;
  margin-inline: auto;
}

.ai-arch-stack li {
  position: relative;
  padding: 0.75rem 1rem;
  border-radius: var(--ai-radius-md);
  text-align: center;
}

.ai-arch-stack:not(.ai-arch-pipeline) li:not(:last-child)::after {
  content: "↓";
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--ai-accent);
  opacity: 0.65;
}

.ai-compare-split {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ai-compare-split {
    grid-template-columns: 1fr 1fr;
  }
}

.ai-hitl__grid {
  display: grid;
  gap: 0.45rem;
}

@media (min-width: 640px) {
  .ai-hitl__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ai-hitl__row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
}

.ai-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-deliverables li {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid var(--ai-accent-border);
  background: var(--ai-accent-soft);
}

.ai-hero__flows {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.ai-hero__flows li {
  font-size: 0.78rem;
  line-height: 1.55;
  padding: 0.45rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.ai-hero__note {
  margin: 0.85rem 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-muted);
  border-inline-start: 3px solid var(--ai-accent-border);
  padding-inline-start: 0.75rem;
}

.ai-stack-layers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.ai-stack-layers span {
  padding: 0.45rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--ai-accent-border);
  background: var(--ai-accent-soft);
}

.ai-phases-ladder {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.ai-phases-ladder li {
  flex: 1 1 min(140px, 100%);
  padding: 0.75rem 0.85rem;
  border-radius: var(--ai-radius-md);
  text-align: center;
}

.ai-phases-ladder strong {
  display: block;
  font-size: 0.68rem;
  color: var(--ai-accent);
  margin-bottom: 0.25rem;
}

.ai-cta-examples {
  display: grid;
  gap: 0.45rem;
  max-width: 36rem;
  margin: 1rem auto 0;
  padding: 0;
  list-style: none;
}

.ai-cta-examples li {
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 0.5rem 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  text-align: start;
  color: var(--text-muted);
}