.cases-page {
    padding-top: 64px;
    min-height: 100vh;
    background-color: #f5f5f5;
}

/* Banner */
.cases-banner {
    position: relative;
    height: 400px;
    background-image: url('images/cases_bj.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-title {
    color: white;
    font-size: 56px;
    font-weight: 700;
    letter-spacing: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Gallery */
.cases-gallery {
    padding: 60px 0;
}

.cases-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-item:hover .case-img {
    transform: scale(1.05);
}

/* Modal */
.case-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.case-modal.active {
    display: flex;
}

.case-modal .modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.case-modal .modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

.case-modal .modal-img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .cases-banner {
        height: 300px;
    }

    .banner-title {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .cases-gallery {
        padding: 40px 0;
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .case-img {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .cases-banner {
        height: 250px;
    }

    .banner-title {
        font-size: 32px;
        letter-spacing: 2px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .case-img {
        height: 220px;
    }
}