/* ===== PROJECT PAGE ===== */

.project-hero {
  padding: 8rem 0 3rem;
  background: var(--bg);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 2rem;
  transition: color 0.3s var(--ease);
}

.back-link:hover {
  color: var(--accent);
}

.project-hero .project-tag {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-hero h1 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--text);
}

.project-description {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 60ch;
}

/* ===== GALLERY ===== */

.project-gallery {
  padding: 0 0 5rem;
  background: var(--bg);
}

.gallery-grid {
  column-count: 3;
  column-gap: 1.25rem;
}

.gallery-item {
  display: inline-block;
  width: 100%;
  margin: 0 0 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  line-height: 0;
  box-shadow: var(--card-shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  break-inside: avoid;
}

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

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

/* ===== LIGHTBOX ===== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1.8rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1024px) {
  .gallery-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .project-hero {
    padding: 7rem 0 2rem;
  }

  .gallery-grid {
    column-count: 1;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev { left: 0.75rem; }
  .lightbox-next { right: 0.75rem; }
}