/* ============================================
   Projects Page
   ============================================ */

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  justify-content: center;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-ultra);
  color: var(--color-text-muted);
  padding: 0.5em 1.25em;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--duration-fast) ease,
              border-color var(--duration-fast) ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  color: var(--color-text-gold);
  border-color: var(--color-accent-glow);
}

/* --- Projects Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-2xl);
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  display: block;
}

.project-card__image-wrapper {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-expo);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 8, 0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
}

.project-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  color: var(--color-text-gold);
  transition: transform 0.4s var(--ease-out-expo);
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.project-card__category {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

.project-card__year {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  color: var(--color-text-muted);
}

/* Always show overlay on touch devices */
@media (hover: none) {
  .project-card__overlay {
    opacity: 1;
  }
}

@media (hover: hover) {
  .project-card:hover .project-card__image {
    transform: scale(1.05);
  }

  .project-card:hover .project-card__overlay {
    opacity: 1;
  }

  .project-card:hover .project-card__title {
    transform: translateY(-4px);
  }
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  /* Make first and last cards span full width for visual variety */
  .project-card--featured {
    grid-column: 1 / -1;
  }

  .project-card--featured .project-card__image-wrapper {
    aspect-ratio: 21 / 9;
  }
}