/* Submenu Styles - Dior-inspired with two-column layout */
.sidebar-submenu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    max-width: 720px;
    height: 100vh;
    background: white;
    z-index: 1100;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.sidebar-submenu.active {
    left: 0;
}

.submenu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.submenu-header h2 {
    font-size: 20px;
    font-weight: 500;
    margin: 0;
}

.back-btn,
.close-submenu {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #000;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}

.back-btn:hover,
.close-submenu:hover {
    opacity: 0.6;
}

.submenu-content {
    padding: 0;
}

/* Product Icons Grid (top) */
.product-icons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px;
}

.product-icon-item {
    text-align: center;
    text-decoration: none;
    color: #000;
    transition: opacity 0.3s;
}

.product-icon-item:hover {
    opacity: 0.7;
}

.product-icon-image {
    width: 70px;
    height: 70px;
    margin: 0 auto 10px;
    overflow: hidden;
}

.product-icon-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-icon-name {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Main Two-Column Content */
.submenu-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

/* Left Column */
.left-column-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid #e0e0e0;
}

.categories-list {
    padding: 30px 20px 20px 20px;
}

.submenu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    color: #000;
    text-decoration: none;
    font-size: 13px;
    border-bottom: 1px solid #f5f5f5;
    transition: opacity 0.3s;
}

.submenu-item:last-child {
    border-bottom: none;
}

.submenu-item:hover {
    opacity: 0.6;
}

.submenu-item .arrow {
    font-size: 18px;
    color: #999;
}

.submenu-services {
    padding: 30px 20px;
    background: #fafafa;
}

.submenu-services h4 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    color: #666;
}

.submenu-service-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin-bottom: 10px;
    background: white;
    border: 1px solid #000;
    color: #000;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: capitalize;
}

.submenu-service-btn:hover {
    background: #000;
    color: white;
}

/* Right Column - Large Images */
.large-images-container {
    display: flex;
    flex-direction: column;
}

.large-image-card {
    position: relative;
    width: 100%;
    overflow: hidden;
    cursor: pointer;
}

.large-image-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

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

.large-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px 15px 15px;
    color: white;
}

.large-image-title {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.large-image-subtitle {
    font-size: 12px;
    opacity: 0.9;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar-submenu {
        max-width: 90%;
    }

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

    .product-icon-image {
        width: 60px;
        height: 60px;
    }

    .submenu-main-content {
        grid-template-columns: 1fr;
    }

    .left-column-content {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }
}