/* 作品案例页面样式 */

/* Hero 区域 */
.work-hero {
    padding: 120px 40px 60px;
    text-align: center;
    background: var(--bg-primary);
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 筛选按钮 */
.work-filter {
    padding: 40px;
    background: var(--bg-primary);
}

.work-filter .container {
    max-width: 1400px;
    margin: 0 auto;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

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

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

/* 作品网格 */
.work-gallery {
    padding: 40px;
    background: var(--bg-primary);
}

.work-gallery .container {
    max-width: 1400px;
    margin: 0 auto;
}

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

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

.work-image {
    position: relative;
    width: 100%;
    height: 100%;
}

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

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.work-item:hover .work-overlay {
    transform: translateY(0);
    opacity: 1;
}

.work-item:hover .work-image img {
    transform: scale(1.1);
}

.work-category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--text-primary);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.work-overlay h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.work-overlay p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 客户区域 */
.clients-section {
    padding: 100px 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.clients-section .container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    align-items: center;
}

.clients-section .section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: -40px;
    margin-bottom: 50px;
}

.client-logo {
    text-align: center;
    padding: 30px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    transition: var(--transition);
    background: var(--bg-card);
}

.client-logo:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* 响应式 */
@media (max-width: 1200px) {
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 36px;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .filter-buttons {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}