/* ==========================================================================
   Page — AI Tools Hub (/ai-tools)
   ========================================================================== */

.ai-hub {
  overflow-x: clip;
}

.ai-hub__hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-8), 6vw, var(--space-12));
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgb(var(--color-primary-rgb) / 0.16), transparent 62%),
    linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.ai-hub__hero-inner {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  text-align: center;
  margin-inline: auto;
}

.ai-hub__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-bg-elevated);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.18);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-sm);
}

.ai-hub__title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.625rem, 4vw, 2.125rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

.ai-hub__intro {
  margin: 0 0 var(--space-5);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

.ai-hub__pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-hub__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgb(var(--color-primary-rgb) / 0.08);
  border: 1px solid rgb(var(--color-primary-rgb) / 0.12);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.ai-hub__pill .bi {
  color: var(--color-primary);
  font-size: 0.875rem;
}

.ai-hub__body {
  padding-block: clamp(var(--space-6), 4vw, var(--space-10));
}

.ai-hub__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 56rem;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .ai-hub__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }
}

.ai-hub-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.ai-hub-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), rgb(var(--color-primary-rgb) / 0.55));
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
}

.ai-hub-card:hover {
  border-color: rgb(var(--color-primary-rgb) / 0.32);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  color: inherit;
}

.ai-hub-card:hover::before {
  opacity: 1;
}

.ai-hub-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.ai-hub-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.ai-hub-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-lg);
  background: rgb(var(--color-primary-rgb) / 0.1);
  color: var(--color-primary);
  font-size: 1.4rem;
  line-height: 1;
}

.ai-hub-card__icon-image {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.ai-hub-card__badge {
  flex: none;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgb(var(--color-primary-rgb) / 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.ai-hub-card__title {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

.ai-hub-card__desc {
  margin: 0 0 var(--space-5);
  flex: 1 1 auto;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-base);
}

.ai-hub-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.ai-hub-card__cta .bi {
  transition: transform var(--duration-fast) var(--ease-standard);
}

.ai-hub-card:hover .ai-hub-card__cta .bi {
  transform: translateX(-4px);
}

.ai-hub__footer-note {
  max-width: 56rem;
  margin: var(--space-6) auto 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.ai-hub__footer-note a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.ai-hub__footer-note a:hover {
  text-decoration: underline;
}