/* ============================================================
   skills.css
   ============================================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.skill-card {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--duration-slow) var(--ease-spring),
    border-color var(--duration-slow),
    box-shadow var(--duration-slow);
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 0;
  background: var(--color-crimson);
  transition: height 0.4s var(--ease-out);
}

.skill-card:hover::before { height: 100%; }

.skill-card:hover {
  transform: translateY(-3px);
  border-color: rgba(220, 20, 60, 0.2);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

.skill-card__index {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-crimson);
  opacity: 0.4;
  letter-spacing: 0.1em;
}

.skill-card__title {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: 600;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.15;
}

.skill-card__description {
  font-size: var(--size-sm);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.skill-card__notes {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-left: 2px solid rgba(220, 20, 60, 0.25);
  background: rgba(220, 20, 60, 0.04);
  border-radius: 0 2px 2px 0;
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-rose-light);
  opacity: 0.7;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
}