/* File: public/css/project.css */

/* ==========================================
   PAGE BREADCRUMB (company.css와 동일)
   ========================================== */
   .page-breadcrumb-section {
    background: #fafafa;
    padding: 16px 0;
    border-bottom: 1px solid #e5e7eb;
}

.page-breadcrumb-section .container {
    text-align: center;
}

.page-breadcrumb {
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.page-breadcrumb a {
    color: #6b7280;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.page-breadcrumb a:hover {
    color: var(--primary-color);
}

.page-breadcrumb span {
    color: #d1d5db;
}

.page-breadcrumb .current {
    color: var(--primary-color);
    font-weight: 600;
}

/* ==========================================
   PORTFOLIO HEADER
   ========================================== */
.portfolio-header-section {
    padding: 60px 0 40px;
    background: var(--bg-white);
}

.portfolio-header {
    text-align: center;
    margin-bottom: 40px;
}

.portfolio-title {
    font-family: var(--font-primary);
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.portfolio-subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.portfolio-count {
    font-size: 15px;
    color: var(--text-dark);
}

.portfolio-count strong {
    color: var(--primary-color);
    font-size: 18px;
}

/* ==========================================
   PORTFOLIO FILTER (카테고리 필터)
   ========================================== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto;
}

.filter-btn {
    padding: 12px 24px;
    background: var(--bg-white);
    border: 2px solid #e5e7eb;
    border-radius: 50px;
    font-size: 15px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

/* ==========================================
   PORTFOLIO GRID
   ========================================== */
.portfolio-grid-section {
    padding: 40px 0 80px;
    background: var(--bg-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* ==========================================
   PORTFOLIO CARD
   ========================================== */
.portfolio-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* Thumbnail */
.portfolio-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 100%;  /* 1:1 정사각형 비율 */
    overflow: hidden;
    display: block;
    flex-shrink: 0;
}

.portfolio-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-thumbnail img {
    transform: scale(1.05);
}

.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-placeholder span {
    font-size: 64px;
    opacity: 0.3;
}

/* Category Badge */
.category-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* Content */
.portfolio-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.portfolio-card-title {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.5;
    color: var(--secondary-color);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-card-title {
    color: var(--primary-color);
}

.portfolio-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tags */
.portfolio-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.portfolio-tags .tag {
    font-size: 12px;
    color: var(--primary-color);
    background: rgba(245, 158, 11, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
}

/* Meta */
.portfolio-meta {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--bg-light);
}

/* ==========================================
   EMPTY STATE
   ========================================== */
.portfolio-empty {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.portfolio-empty h3 {
    font-size: 24px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.portfolio-empty p {
    font-size: 16px;
    color: var(--text-light);
}

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

@media (max-width: 1024px) {
    .portfolio-title {
        font-size: 32px;
    }

    .portfolio-subtitle {
        font-size: 16px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .page-breadcrumb-section {
        padding: 12px 0;
    }

    .page-breadcrumb {
        font-size: 12px;
        gap: 8px;
    }

    .portfolio-header-section {
        padding: 40px 0 30px;
    }

    .portfolio-title {
        font-size: 28px;
    }

    .portfolio-subtitle {
        font-size: 15px;
    }

    .portfolio-count {
        font-size: 14px;
    }

    .portfolio-filter {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .portfolio-grid-section {
        padding: 30px 0 60px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .portfolio-card-title {
        font-size: 17px;
    }

    .portfolio-description {
        font-size: 14px;
    }

    .portfolio-empty {
        padding: 60px 20px;
    }

    .empty-icon {
        font-size: 64px;
    }

    .portfolio-empty h3 {
        font-size: 20px;
    }

    .portfolio-empty p {
        font-size: 15px;
    }
}
/* ==========================================
   PAGINATION (페이지네이션)
   ========================================== */
.portfolio-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--bg-light);
}

.page-btn {
    padding: 10px 20px;
    background: var(--bg-white);
    border: 2px solid var(--bg-light);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.page-btn:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-num {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 2px solid var(--bg-light);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.page-num:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.page-num.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.page-dots {
    color: var(--text-light);
    padding: 0 5px;
}

/* ==========================================
   PAGINATION RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    .portfolio-pagination {
        margin-top: 40px;
        padding-top: 30px;
        gap: 8px;
    }

    .page-btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    .page-num {
        min-width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .page-numbers {
        gap: 6px;
    }
}