/* ============================================
   Projects Page — Gallery
   ============================================ */

.filters {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 22px;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.filter-btn:hover {
  color: var(--industrial-blue);
  border-color: var(--industrial-blue);
}

.filter-btn.is-active {
  background: var(--industrial-blue-dark);
  color: var(--white);
  border-color: var(--industrial-blue-dark);
}

/* ===== Gallery grid ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 5;
  background: var(--industrial-blue-dark);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.project-card.is-hidden {
  display: none;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease-out);
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(20, 37, 56, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-8);
  color: var(--white);
  transition: all var(--transition-base);
}

.project-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: var(--space-2);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

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

.project-card h3 {
  color: var(--white);
  font-size: 1.375rem;
  margin-bottom: var(--space-2);
  line-height: 1.25;
}

.project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base) 50ms;
}

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

.project-card__meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Corner accents on hover */
.project-card::before,
.project-card::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border: 2px solid var(--accent-orange);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 2;
}

.project-card::before {
  top: var(--space-4);
  left: var(--space-4);
  border-right: none;
  border-bottom: none;
  transform: translate(-10px, -10px);
}

.project-card::after {
  bottom: var(--space-4);
  right: var(--space-4);
  border-left: none;
  border-top: none;
  transform: translate(10px, 10px);
}

.project-card:hover::before,
.project-card:hover::after {
  opacity: 1;
  transform: translate(0, 0);
}

/* Spotlight project */
.spotlight {
  background: var(--industrial-blue-dark);
  color: var(--white);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.spotlight__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.spotlight__image {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.spotlight__label {
  color: var(--accent-orange);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.spotlight h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.spotlight p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.spotlight__specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.spotlight__spec-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-2);
}

.spotlight__spec-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

@media (max-width: 960px) {
  .gallery { grid-template-columns: 1fr 1fr; }
  .spotlight__grid { grid-template-columns: 1fr; gap: var(--space-10); }
}

@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; }
  .spotlight__specs { grid-template-columns: 1fr; gap: var(--space-4); }
}