/* ============================================================
   Astea Solutions — services.css
   Page-specific styles for services.html.
   Depends on base.css and sections.css variables.
   ============================================================ */

/* ---- Intro block ------------------------------------------ */
.services-intro {
  max-width: 72ch;
  margin-bottom: var(--space-lg);
}

.services-intro p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
  max-width: none;
}

/* ---- Intro block ------------------------------------------ */
.section--services-group {
  background-color: var(--color-white);
}

.section--ai-group {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

.services-group-label {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-border);
}

.group-label-text {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.group-label-text--ai {
  color: var(--color-black);
  background-color: var(--color-accent);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
}

.group-label-sub {
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  max-width: none;
}

/* ---- Service detail row ----------------------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail--ai {
  border-bottom-color: var(--color-border);
}

.service-detail__header {
  position: sticky;
  top: 80px;
}

.service-detail h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  line-height: 1.2;
}

.service-detail__body p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  max-width: 68ch;
}

.service-detail__body p + p {
  margin-top: var(--space-md);
}

/* ---- Generative AI product sub-grid ----------------------- */
.gen-ai-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.gen-ai-products--three {
  grid-template-columns: repeat(3, 1fr);
}

.gen-ai-product {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.gen-ai-product h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-black);
}

.gen-ai-product p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.65;
  max-width: none;
}

/* ---- Engagement models grid ------------------------------- */
.engagement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.engagement-card {
  background-color: var(--color-mid);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
}

.engagement-card h3 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.engagement-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: none;
}

.engagement-note {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 64ch;
  line-height: 1.7;
}

/* ---- Responsive adjustments ------------------------------ */
@media (max-width: 992px) {
  .service-detail {
    grid-template-columns: 220px 1fr;
    gap: var(--space-md);
  }

  .engagement-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .service-detail__header {
    position: static;
  }

  .gen-ai-products,
  .gen-ai-products--three {
    grid-template-columns: 1fr;
  }

  .engagement-grid {
    grid-template-columns: 1fr;
  }
}