/* ============================================
   Card Hover Effects
   ============================================ */

.card {
  position: relative;
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--duration-base) var(--ease-default),
              box-shadow var(--duration-base) var(--ease-default),
              border-color var(--duration-base) var(--ease-default);
}

.card:hover {
  transform: translateY(-12px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 30px rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.2);
}

/* ── Metric Stagger ── */
.card-metric {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-base) var(--ease-default),
              transform var(--duration-base) var(--ease-default);
}

.card:hover .card-metric {
  opacity: 1;
  transform: translateY(0);
}

.card:hover .card-metric:nth-child(1) { transition-delay: 0s; }
.card:hover .card-metric:nth-child(2) { transition-delay: 0.06s; }
.card:hover .card-metric:nth-child(3) { transition-delay: 0.12s; }
.card:hover .card-metric:nth-child(4) { transition-delay: 0.18s; }

/* ── Edge Score Pulse ── */
.card-edge {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent);
}

.card:hover .card-edge {
  animation: edge-pulse 0.6s ease-out;
}

@keyframes edge-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.15); text-shadow: 0 0 20px rgba(var(--accent-rgb), 0.5); }
  100% { transform: scale(1); }
}

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

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