/* === Project Cards Grid === */
.projects-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.projects-header h1 {
  margin-bottom: var(--space-sm);
}

.projects-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* Tag filters */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-tag {
  padding: var(--space-xs) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-tag--active {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
  color: #000;
}

.filter-tag--active:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #000;
}

/* Project grid */
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

/* Project card */
.project-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* Card thumbnail */
.project-card__thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

/* Static hero image — visible by default */
.project-card__static {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  transition: opacity var(--transition-normal);
}

/* GIF — hidden by default, shown on hover */
.project-card__gif {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

/* Logo / title overlay on static image */
.project-card__logo-overlay {
  position: absolute;
  top: var(--logo-inset, 20%);
  left: var(--logo-inset, 20%);
  right: var(--logo-inset, 20%);
  bottom: var(--logo-inset, 20%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-normal);
}

.project-card__logo-overlay img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: var(--logo-shadow, none);
}

.project-card__logo-overlay span {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text-primary);
  text-transform: uppercase;
  text-align: center;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.9), 0 8px 24px rgba(0, 0, 0, 0.7), 0 0 60px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.05em;
}

/* Hover: hide static + overlay, show GIF */
.project-card:hover .project-card__static {
  opacity: 0;
}

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

.project-card:hover .project-card__logo-overlay {
  opacity: 0;
}

/* Legacy direct img (fallback) */
.project-card__thumbnail > img:not(.project-card__static):not(.project-card__gif) {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__thumbnail > img:not(.project-card__static):not(.project-card__gif) {
  transform: scale(1.03);
}

/* Engine icon overlay */
.project-card__engine {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-sm);
}

.project-card__engine img {
  width: 20px;
  height: 20px;
}

.project-card__engine span {
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Card info below thumbnail */
.project-card__info {
  padding: var(--space-md) var(--space-xs);
}

.project-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
  margin-bottom: var(--space-xs);
}

.project-card:hover .project-card__title {
  color: var(--color-accent);
}

.project-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Genre tags */
.project-card__genres {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.genre-tag {
  padding: 2px var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Slideshow thumbnail (continuous marquee scroll) */
.project-card__thumbnail--slideshow .slideshow__track {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
}

.project-card__thumbnail--slideshow .slideshow__track img {
  height: 100%;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
}

/* Card fade for filter transitions */
.project-card--hidden {
  display: none;
}

.project-card--fading {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

/* Two columns on desktop */
@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}