/* ============================================================
   CARDS — Domain cards, hook cards, doc cards
   ============================================================ */

/* ── Domain Card (large, for homepage grid) ─────────────── */
.domain-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-spring);
  text-decoration: none;
  overflow: hidden;
  min-height: 160px;
}

.domain-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--card-color, var(--brand-primary)) 0%, transparent 70%);
  opacity: 0.06;
  transition: opacity var(--dur-normal);
}

.domain-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, var(--card-color, var(--brand-primary)) 0%, transparent 70%);
  opacity: 0.08;
  transition: opacity var(--dur-normal), transform var(--dur-normal);
}

.domain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--card-color, var(--brand-primary));
  text-decoration: none;
}

.domain-card:hover::before { opacity: 0.12; }
.domain-card:hover::after  { opacity: 0.15; transform: scale(1.1); }

.domain-card__icon {
  font-size: 2rem;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.domain-card__name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.domain-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  position: relative;
  z-index: 1;
  flex: 1;
}

.domain-card__count {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--card-color, var(--brand-primary));
  background: color-mix(in srgb, var(--card-color, var(--brand-primary)) 12%, transparent);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  position: relative;
  z-index: 1;
  width: fit-content;
}

/* ── Hook Card (compact, periodic-table style) ───────────── */
.hook-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--hook-color, var(--cat-hooks));
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-spring);
  min-height: 80px;
  overflow: hidden;
}

.hook-card:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--hook-color, var(--cat-hooks));
  z-index: 2;
}

.hook-card__type {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  background: var(--hook-color, var(--cat-hooks));
  color: white;
  font-size: 10px;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hook-card__name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  word-break: break-all;
  line-height: 1.3;
  padding-right: 24px;
}

.hook-card__location {
  font-size: 9px;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: var(--space-1);
}

.hook-card__since {
  font-size: 9px;
  color: var(--text-muted);
}

/* ── Doc Card (medium, for section indexes) ──────────────── */
.doc-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-smooth);
  align-items: flex-start;
}

.doc-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transform: translateX(2px);
}

.doc-card__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.doc-card__body { flex: 1; min-width: 0; }

.doc-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.doc-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

/* ── Feature Card (for homepage highlights) ──────────────── */
.feature-card {
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all var(--dur-normal) var(--ease-smooth);
}

.feature-card:hover { box-shadow: var(--shadow-lg); border-color: var(--border-color); }

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-loose);
}

/* ── Card Grid ───────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.card-grid--2col { grid-template-columns: repeat(2, 1fr); }
.card-grid--3col { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 768px) {
  .card-grid,
  .card-grid--2col,
  .card-grid--3col { grid-template-columns: 1fr; }
}