/* Work Page */
.work-page {
  min-height: 100vh;
  padding-top: 100px;
  background-color: #f6f8ed;
  overflow-y: auto;
}

/* Work 페이지 스크롤바 */
.work-page::-webkit-scrollbar {
  width: 8px;
}

.work-page::-webkit-scrollbar-track {
  background: rgba(13, 13, 13, 0.1);
}

.work-page::-webkit-scrollbar-thumb {
  background: #0d0d0d;
  border-radius: 4px;
}

.work-page::-webkit-scrollbar-thumb:hover {
  background: #0d0d0d;
}

/* Body 전체 스크롤바 (Work 페이지용) */
body:has(.work-page)::-webkit-scrollbar {
  width: 8px;
}

body:has(.work-page)::-webkit-scrollbar-track {
  background: rgba(13, 13, 13, 0.1);
}

body:has(.work-page)::-webkit-scrollbar-thumb {
  background: #0d0d0d;
  border-radius: 4px;
}

body:has(.work-page)::-webkit-scrollbar-thumb:hover {
  background: #0d0d0d;
}

/* Category Filter */
.category-filter {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 4rem 3rem 3rem;
}

.category-btn {
  background: none;
  border: none;
  font-family: "DM Sans", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
  letter-spacing: 0.02em;
}

.category-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-yellow);
  transition: width 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
  color: var(--text-primary);
}

.category-btn.active::after {
  width: 100%;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem 3rem;
  padding: 2rem 3rem 5rem;
  max-width: 1600px;
  margin: 0 auto;
}

/* Project Card */
.project-card {
  text-decoration: none;
  display: block;
  cursor: pointer;
}

.project-images {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  overflow: hidden;
  background-color: var(--light-gray);
  margin-bottom: 1.5rem;
}

.project-images img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease;
}

.main-image {
  opacity: 1;
}

.hover-image {
  opacity: 0;
}

.project-card:hover .main-image {
  opacity: 0;
}

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

/* Project Info */
.project-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.project-name {
  font-family: "Newsreader", serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.project-year {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Filter Animation */
.project-card {
  animation: fadeIn 0.5s ease-out;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .projects-grid {
    gap: 3rem 2rem;
    padding: 2rem 2.5rem 4rem;
  }
}

@media (max-width: 768px) {
  .work-page {
    padding-top: 80px;
  }

  .category-filter {
    gap: 2rem;
    padding: 3rem 2rem 2rem;
  }

  .category-btn {
    font-size: 0.9rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 1.5rem 2rem 4rem;
  }

  .project-images {
    margin-bottom: 1rem;
  }

  .project-name {
    font-size: 1.1rem;
  }

  .project-year {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .category-filter {
    gap: 1.5rem;
    padding: 2.5rem 1.5rem 1.5rem;
  }

  .category-btn {
    font-size: 0.85rem;
  }

  .projects-grid {
    padding: 1rem 1.5rem 3rem;
  }
}