.works-page {
  padding-bottom: var(--sp-160);
}

/* Filter */
.works-filter {
  display: flex;
  gap: var(--sp-40);
  margin-bottom: var(--sp-64);
  border-bottom: 1px solid var(--c-border);
  padding-bottom: var(--sp-24);
}

.filter-btn {
  background: none;
  border: none;
  font-family: var(--f-sans);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-text-sub);
  cursor: pointer;
  padding: 0 0 4px;
  border-bottom: 1px solid transparent;
  transition: all var(--dur-fast) var(--ease-out);
}

.filter-btn.is-active,
.filter-btn:hover {
  color: var(--c-text);
  border-bottom-color: var(--c-text);
}

/* Works grid */
.works-all-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.work-item {
  transition: opacity 0.4s var(--ease-out);
}

.work-item.is-hidden {
  display: none;
}

.work-item-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
}

.work-item-image {
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.work-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

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

.work-item-category {
  display: block;
  font-size: var(--fs-label);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-sub);
  padding: var(--sp-16) 0 var(--sp-8);
}

/* Personal note */
.personal-note {
  margin-top: var(--sp-64);
  font-size: var(--fs-small);
  color: var(--c-text-sub);
  font-style: italic;
  border-top: 1px solid var(--c-border);
  padding-top: var(--sp-24);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out);
}

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

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: var(--sp-24);
  right: var(--sp-24);
  background: none;
  border: none;
  color: var(--c-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--sp-8);
  opacity: 0.8;
  transition: opacity var(--dur-fast);
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--c-white);
  font-size: 3rem;
  cursor: pointer;
  padding: var(--sp-24);
  transition: opacity var(--dur-fast);
  opacity: 0.6;
}

.lightbox-prev { left: var(--sp-24); }
.lightbox-next { right: var(--sp-24); }

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
}

@media (max-width: 1024px) {
  .works-all-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .works-filter {
    gap: var(--sp-24);
    flex-wrap: wrap;
  }

  .works-all-grid {
    grid-template-columns: 1fr;
  }

  .lightbox-prev,
  .lightbox-next {
    font-size: 2rem;
    padding: var(--sp-16);
  }
}