/* 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;
    }
}