.four-part-banner-container {
    margin: 2rem 0;
}

.four-part-banner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.four-part-banner-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    background: white;
}

.four-part-banner-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.four-part-banner-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.four-part-banner-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.four-part-banner-item:hover .four-part-banner-img {
    transform: scale(1.05);
}

.four-part-banner-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #64748b;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
}

.four-part-banner-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.four-part-banner-placeholder span {
    font-size: 0.875rem;
    font-family: var(--font-iransans);
}

/* تبلت - دو تا دو تا در کنار هم */
@media (max-width: 1024px) and (min-width: 769px) {
    .four-part-banner-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .four-part-banner-img,
    .four-part-banner-placeholder {
        height: 180px;
    }
}

/* موبایل - دو تا دو تا در کنار هم */
@media (max-width: 768px) {
    .four-part-banner-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .four-part-banner-img,
    .four-part-banner-placeholder {
        height: 150px;
    }
}

/* برای صفحات بسیار کوچک موبایل (اختیاری) */
@media (max-width: 480px) {
    .four-part-banner-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .four-part-banner-img,
    .four-part-banner-placeholder {
        height: 140px;
    }
}