/* TwinGP model cards + detail page */
.models-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 768px) {
  .models-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
}

@media (min-width: 1024px) {
  .models-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
}

.model-tile {
  position: relative;
  display: block;
  border: none;
  padding: 0;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  background: #0b1220;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.1);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  aspect-ratio: 1 / 1;
  width: 100%;
}

.model-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(99, 102, 241, 0.18);
}

.model-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.model-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.55) 55%, rgba(0,0,0,0.82) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
  color: #fff;
}

.model-tile-name {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.model-tile-tag {
  margin-top: 4px;
  font-size: 10px;
  opacity: 0.85;
  font-weight: 500;
}

.model-tile.hidden-model { display: none; }

/* Detail page */
.model-hero {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 220px;
  margin-bottom: 20px;
}

.model-hero img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.model-hero-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
}

.model-hero-caption h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 800;
}

.model-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px;
}

.model-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124, 92, 252, 0.12);
  color: #5b21b6;
}

.model-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: #111827;
}

.model-prose {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0 0 12px;
}

.model-list {
  margin: 0 0 16px;
  padding-left: 18px;
  color: #475569;
  font-size: 0.92rem;
  line-height: 1.6;
}

.model-list li { margin-bottom: 6px; }

.model-accordion {
  display: grid;
  gap: 0;
}

.model-acc-item {
  border-bottom: 1px solid #e5e7eb;
  padding: 12px 0;
}

.model-acc-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  font: inherit;
  font-weight: 600;
  color: #111827;
  cursor: pointer;
}

.model-acc-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #64748b;
  transition: transform 0.2s;
}

.model-acc-btn[aria-expanded="true"] svg { transform: rotate(180deg); }

.model-acc-panel {
  display: none;
  margin-top: 8px;
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.6;
}

.model-acc-panel.open { display: block; }

.model-compare {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 14px;
  margin-top: 8px;
}

.model-compare-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
}

.model-compare-row:last-child { border-bottom: none; }
.model-compare-row strong { color: #7c5cfc; }

@media (max-width: 640px) {
  .model-tile-name { font-size: 11px; }
  .model-tile-tag { font-size: 9px; }
  .model-tile-overlay { padding: 10px; }
  .model-hero img { height: 180px; }
}