/* ── Model Detail Page Enhancement ──────────── */

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0 36px;
}

.feature-card {
  background: transparent;
  border: 1px solid rgba(148,163,184,0.15);
  border-radius: 12px;
  padding: 20px 18px;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(13,148,136,0.25);
  transform: translateY(-2px);
}

.feature-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 6px;
}

.feature-card p {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
  margin: 0;
}

/* Use Case Grid */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0 36px;
}

.usecase-card {
  background: transparent;
  border: 1px solid rgba(148,163,184,0.15);
  border-radius: 12px;
  padding: 20px 18px;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.usecase-card:hover {
  border-color: rgba(124,58,237,0.25);
  transform: translateY(-2px);
}

.usecase-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 6px;
}

.usecase-card p {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
  margin: 0;
}

/* FAQ on detail pages (reuse homepage style) */
.detail-main .faq-item {
  border-bottom: 1px solid rgba(148,163,184,0.12);
  transition: background 0.3s ease;
}

.detail-main .faq-item:hover {
  background: rgba(13,148,136,0.015);
}

.detail-main .faq-item[open] {
  background: rgba(13,148,136,0.025);
}

.detail-main .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 4px;
  font-size: 14px;
  font-weight: 600;
  color: #1e293b;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.2s ease;
  line-height: 1.5;
}

.detail-main .faq-q::-webkit-details-marker { display: none; }
.detail-main .faq-q:hover { color: #0d9488; }

.detail-main .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #f1f5f9;
  border: 1px solid rgba(148,163,184,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1),
              background 0.3s ease,
              border-color 0.3s ease;
  color: #64748b;
}

.detail-main .faq-icon svg {
  width: 12px;
  height: 12px;
  transition: color 0.3s ease;
}

.detail-main .faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: #0d9488;
  border-color: #0d9488;
  color: #fff;
}

.detail-main .faq-item[open] .faq-icon svg { color: #fff; }

.detail-main .faq-a {
  padding: 0 4px 16px;
  animation: faqSlideIn 0.3s ease;
}

@keyframes faqSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.detail-main .faq-a p {
  font-size: 13px;
  color: #475569;
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 768px) {
  .feature-grid,
  .usecase-grid {
    grid-template-columns: 1fr;
  }
}