/* ========================================
   GO FORWARD - Works Page Styles
   ======================================== */

:root {
    --c-border: rgba(255, 255, 255, 0.15);
}

/* Page Header */
.page-header {
    padding-top: 200px;
    padding-bottom: 100px;
    min-height: 60vh;
    display: flex;
    align-items: center;
}
.ph-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}
.ph-lead {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    max-width: 900px;
}
.ph-sub {
    color: var(--c-text-muted);
    font-size: 1rem;
    max-width: 700px;
    line-height: 1.9;
}

/* ========================================
   Works Section
   ======================================== */
.works-section {
    padding: 120px 0;
    border-top: 1px solid var(--c-border);
}

/* ========================================
   Filter Buttons
   ======================================== */
.works-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--c-text);
}

.filter-btn.active {
    background: var(--c-text);
    border-color: var(--c-text);
    color: var(--c-bg);
}

/* ========================================
   Works Grid
   ======================================== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.work-card {
    background: transparent;
    overflow: hidden;
    transition: transform 0.4s var(--easing);
}

.work-card:hover {
    transform: translateY(-5px);
}

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

.work-image {
    width: 100%;
    aspect-ratio: 3/2;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--easing);
}

.work-card:hover .work-image img {
    transform: scale(1.05);
}

/* Placeholder Image */
.placeholder-image {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.15);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: background 0.3s ease;
}

.work-card:hover .placeholder-image {
    background: rgba(255, 255, 255, 0.06);
}

.work-tag {
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--c-text-muted);
    padding: 1rem 0 0.5rem;
    text-align: left;
}

.work-title {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
}

/* ========================================
   Pagination
   ======================================== */
.works-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.pagination-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-num:hover {
    border-color: rgba(255, 255, 255, 0.4);
}

.pagination-num.active {
    background: var(--c-text);
    border-color: var(--c-text);
    color: var(--c-bg);
}

/* ========================================
   Works List (New Layout)
   ======================================== */
.works-list {
    display: flex;
    flex-direction: column;
}

.work-item {
    padding: 60px 0;
    border-bottom: 1px solid var(--c-border);
}

.work-item:first-child {
    border-top: 1px solid var(--c-border);
}

.work-header {
    margin-bottom: 2rem;
}

.work-item .work-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.work-scope {
    display: block;
    font-size: 0.9rem;
    color: var(--c-text-muted);
    margin-bottom: 0.5rem;
}

.work-period {
    display: block;
    font-size: 0.85rem;
    color: var(--c-text-muted);
    font-weight: 500;
}

.work-body {
    max-width: 800px;
}

.work-overview-title {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--c-text);
}

.work-overview {
    font-size: 1rem;
    line-height: 2;
    color: var(--c-text-muted);
}

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

@media (max-width: 768px) {
    .works-section {
        padding: 80px 0;
    }

    .works-filter {
        margin-bottom: 3rem;
    }

    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .works-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .work-card .work-title {
        font-size: 1rem;
    }

    .pagination-btn {
        width: 44px;
        height: 44px;
    }

    .pagination-num {
        width: 36px;
        height: 36px;
    }

    /* Works List Responsive */
    .work-item {
        padding: 40px 0;
    }

    .work-item .work-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .works-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}