@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700&family=Outfit:wght@300;400;500;600&display=swap');

:root {
    /* Color Palette - Elegant Warm Bamboo & Sandalwood Theme */
    --primary: hsl(36, 45%, 48%);
    --primary-light: hsl(36, 50%, 58%);
    --primary-dark: hsl(36, 45%, 35%);
    
    --bg-main: #fbf9f5; /* Warm rice-paper white */
    --bg-surface: #ffffff;
    --bg-nav: #2d2925; /* Warm sandalwood dark wood tone */
    
    --text-primary: #2c2825; /* Warm deep charcoal text */
    --text-secondary: #6e655f; /* Soft tea-wood text */
    --text-muted: #a39990;
    
    --border-color: #ebdcc5; /* Warm screen border tint */
    --border-glow: rgba(182, 137, 64, 0.15);
    
    --card-shadow: 0 10px 30px -15px rgba(44, 40, 37, 0.05);
    --card-shadow-hover: 0 20px 40px -15px rgba(182, 137, 64, 0.18);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --font-heading: 'Noto Serif SC', 'Georgia', serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    --sidebar-width: 280px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* App Layout */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
}

/* Top Horizontal Header */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: #2d2925;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-shrink: 0;
}

.brand-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: #ffffff;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

.nav-menu-wrapper {
    display: flex;
    align-items: center;
    flex-grow: 1;
    justify-content: center;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.2rem;
}

.nav-item {
    position: relative;
}

.nav-item-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-heading);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.nav-item-link:hover, .nav-item-link.active {
    background-color: var(--primary);
    color: #ffffff;
}

.nav-item-link .count-badge {
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.75);
    padding: 2px 8px;
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.nav-item-link:hover .count-badge, .nav-item-link.active .count-badge {
    background-color: #ffffff;
    color: var(--primary);
}

/* Desktop Hover Accordion-Dropdown Menu styling */
.nav-group {
    position: relative;
    list-style: none;
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition-smooth);
    user-select: none;
}

.nav-group-header:hover, .nav-group.active .nav-group-header {
    background-color: var(--primary);
    color: #ffffff;
}

.nav-group-header .toggle-icon {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-smooth);
}

.nav-group-items {
    list-style: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 220px;
    background-color: #38322e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 0.6rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 1001;
}

.nav-group:hover .nav-group-items {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.nav-group-items .nav-item-link {
    padding: 0.55rem 0.75rem;
    font-size: 0.9rem;
    width: 100%;
    color: rgba(255, 255, 255, 0.8);
}

.nav-group-items .nav-item-link:hover, .nav-group-items .nav-item-link.active {
    background-color: var(--primary);
    color: #ffffff;
    transform: translateX(3px);
}

.mobile-contact-section {
    display: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.header-phone-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #ffffff;
    text-decoration: none;
    padding: 0.55rem 1.1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px rgba(182, 137, 64, 0.25);
}

.header-phone-btn:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 15px rgba(182, 137, 64, 0.4);
    transform: translateY(-1px);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #ffffff;
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition-smooth);
}

/* Main Content Area */
.app-main {
    flex-grow: 1;
    margin-left: 0;
    margin-top: 80px;
    padding: 2.5rem 3rem;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 80px);
    transition: var(--transition-smooth);
}

/* Header & Controls */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.page-title-area {
    flex-grow: 1;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.search-box-container {
    position: relative;
    width: 320px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    border-radius: 25px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-smooth);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(182, 137, 64, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.search-input:focus + .search-icon {
    color: var(--primary);
}

/* Stats/Tag Bar */
.filter-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-surface);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.active-filter-tags {
    display: flex;
    gap: 0.5rem;
}

.filter-tag {
    background-color: rgba(182, 137, 64, 0.08);
    color: var(--primary-dark);
    padding: 2px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.filter-tag .remove-btn {
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

/* Catalog Grid */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.75rem;
    margin-bottom: 3rem;
}

/* Product Card */
.product-card {
    background-color: var(--bg-surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-light);
    box-shadow: var(--card-shadow-hover);
}

.image-container {
    position: relative;
    width: 100%;
    padding-top: 100%; /* Square Aspect Ratio */
    background-color: #f6f1e8;
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-image {
    transform: scale(1.08);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 50%);
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1.5rem;
}

.product-card:hover .card-overlay {
    opacity: 1;
}

.overlay-btn {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.product-card:hover .overlay-btn {
    transform: translateY(0);
}

.product-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    border-top: 1px solid var(--border-color);
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.product-tag {
    color: var(--primary);
    font-weight: 500;
}

.product-badge {
    background-color: rgba(182, 137, 64, 0.05);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(182, 137, 64, 0.1);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 2rem;
}

.page-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.page-btn:hover:not(:disabled) {
    background-color: rgba(182, 137, 64, 0.08);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.page-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

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

/* Page Summary Footer */
.app-footer {
    margin-top: auto;
    padding-top: 4rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-icp {
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-icp a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-icp a:hover {
    color: var(--primary);
}

/* Floating Actions (Mobile View) */
.mobile-action-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    justify-content: space-between;
    align-items: center;
    z-index: 99;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
}

.mobile-action-btn {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.75rem;
    border-radius: 25px;
    font-weight: 500;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.mobile-btn-phone {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(182, 137, 64, 0.2);
}

.mobile-btn-wechat {
    background-color: #24db5a;
    color: #fff;
    margin-right: 0.75rem;
}

/* Modal Drawer / Detail Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(10, 10, 12, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background-color: var(--bg-surface);
    border-radius: 24px;
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    box-shadow: 0 30px 60px -15px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    position: relative;
    transform: scale(0.95) translateY(15px);
    transition: var(--transition-smooth);
}

.modal-overlay.active .modal-card {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background-color: rgba(255,255,255,0.9);
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.modal-close-btn:hover {
    background-color: var(--primary);
    color: #fff;
    transform: rotate(90deg);
}

.modal-image-pane {
    width: 55%;
    background-color: #f7f7f7;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid var(--border-color);
}

.modal-image-pane img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-height: 85vh;
}

.modal-info-pane {
    width: 45%;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.modal-category {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.modal-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1.5rem 0;
}

.modal-attributes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.attr-item {
    display: flex;
    justify-content: space-between;
}

.attr-label {
    color: var(--text-secondary);
}

.attr-val {
    font-weight: 500;
    color: var(--text-primary);
}

.modal-cta-section {
    background: linear-gradient(135deg, rgba(182, 137, 64, 0.06), rgba(182, 137, 64, 0.02));
    border: 1px solid rgba(182, 137, 64, 0.12);
    border-radius: 16px;
    padding: 1.5rem;
    margin-top: auto;
    text-align: center;
}

.cta-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
}

.cta-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.75rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.cta-btn-phone {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(182, 137, 64, 0.2);
}

.cta-btn-phone:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 6px 18px rgba(182, 137, 64, 0.3);
}

.cta-btn-wechat {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--primary-dark);
    border: 1px solid rgba(182, 137, 64, 0.2);
}

.cta-btn-wechat:hover {
    background-color: rgba(182, 137, 64, 0.05);
}

/* WeChat QR Code Modal Overlay */
.qr-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.qr-card {
    background-color: var(--bg-surface);
    border-radius: 20px;
    padding: 2rem;
    width: 320px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.qr-modal-overlay.active .qr-card {
    transform: scale(1);
}

.qr-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    margin: 1rem auto;
    display: block;
    border: 1px solid var(--border-color);
    padding: 4px;
    background-color: #fff;
}

.qr-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.qr-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Sidebar Close Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .modal-card {
        max-width: 600px;
        flex-direction: column;
        max-height: 90vh;
    }
    
    .modal-image-pane {
        width: 100%;
        height: 350px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .modal-image-pane img {
        height: 100%;
        max-height: 350px;
    }
    
    .modal-info-pane {
        width: 100%;
        padding: 2rem;
    }
}

@media (max-width: 992px) {
    .app-header {
        padding: 0;
    }
    .header-container {
        padding: 0 1rem;
        gap: 0.5rem;
    }
    .brand-section {
        gap: 0.5rem !important;
    }
    .brand-svg-logo {
        width: 30px !important;
        height: 30px !important;
    }
    .brand-logo {
        font-size: 1.25rem !important;
    }
    .header-right {
        gap: 0.75rem;
    }
    .header-right .header-phone-btn {
        display: none;
    }
    .header-right .search-box-container {
        width: 130px;
    }
    .mobile-nav-toggle {
        display: flex;
    }

    /* Transform menu wrapper into slide-in sidebar */
    .nav-menu-wrapper {
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        width: 280px;
        background-color: #2d2925;
        border-right: 1px solid rgba(255, 255, 255, 0.08);
        flex-direction: column;
        padding: 2.5rem 1.5rem;
        transform: translateX(-100%);
        transition: var(--transition-smooth);
        z-index: 1001;
        box-shadow: 10px 0 30px rgba(0,0,0,0.3);
        display: flex;
        align-items: stretch;
        justify-content: flex-start;
    }
    
    .nav-menu-wrapper.active {
        transform: translateX(0);
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        width: 100%;
    }

    /* Collapse behavior on mobile drawer */
    .nav-group-items {
        position: static;
        transform: none;
        width: 100%;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        max-height: 500px;
        padding-left: 1rem;
        margin-top: 0.25rem;
        transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
        background: transparent;
        border: none;
    }
    
    .nav-group.collapsed .nav-group-items {
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        margin-top: 0;
    }
    
    .nav-group:hover .nav-group-items {
        transform: none;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-group-header .toggle-icon {
        display: inline-block;
    }

    .mobile-contact-section {
        display: block;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 1.5rem;
        margin-top: auto;
        text-align: center;
    }
    
    .mobile-contact-section .phone-btn {
        display: inline-block;
        background-color: var(--primary);
        color: #fff;
        text-decoration: none;
        padding: 0.5rem 1rem;
        border-radius: 20px;
        font-size: 0.85rem;
        margin-top: 0.5rem;
        font-weight: 500;
        transition: var(--transition-smooth);
        box-shadow: 0 4px 10px rgba(182, 137, 64, 0.2);
        width: 100%;
    }
}

@media (max-width: 768px) {
    .app-main {
        margin-left: 0;
        margin-top: 80px;
        padding: 2rem 1rem 6rem 1rem;
        min-height: calc(100vh - 80px);
    }
    
    .content-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box-container {
        width: 100%;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .product-info {
        padding: 1rem;
    }
    
    .mobile-action-bar {
        display: flex;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 0.5rem;
    }
    
    .modal-card {
        border-radius: 16px;
    }
    
    .modal-image-pane {
        height: 250px;
    }
    
    .modal-image-pane img {
        max-height: 250px;
    }
    
    .modal-info-pane {
        padding: 1.5rem 1.25rem;
    }
    
    .modal-title {
        font-size: 1.4rem;
    }
}

/* Homepage Views & Sections Styling */
#homepage-view {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
    padding-bottom: 4rem;
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 400px;
    border-radius: 20px;
    background: linear-gradient(135deg, #2d2925 0%, #3d3732 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(182, 137, 64, 0.15) 0%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero-btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.hero-btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(182, 137, 64, 0.3);
}

.hero-btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(182, 137, 64, 0.4);
}

.hero-btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hero-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Home Section Layouts */
.home-section {
    width: 100%;
}

.home-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.home-section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.home-section-subtitle {
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--primary-light);
    text-transform: uppercase;
    margin-top: 0.25rem;
    font-weight: 600;
}

.home-section-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.home-section-divider {
    width: 60px;
    height: 2px;
    background-color: var(--primary);
    margin: 1.2rem auto 0;
}

/* Strength Showcase Grid */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.strength-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(182, 137, 64, 0.2);
}

.strength-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 1.25rem;
}

.strength-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.strength-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero-section {
        height: auto;
        padding: 4rem 1.5rem;
    }
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }
    .hero-cta-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    .home-section-title {
        font-size: 1.8rem;
    }
}

/* Subcategory Quick Filter Bar (Rounded tag buttons) */
.subcategories-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding: 0.5rem 0;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.subcategory-tag-btn {
    display: inline-block;
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.subcategory-tag-btn:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background-color: rgba(182, 137, 64, 0.04);
}

.subcategory-tag-btn.active {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 10px rgba(182, 137, 64, 0.2);
}

/* Detail modal - view large image button */
.view-large-image-btn {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.3rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: var(--transition-smooth);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-large-image-btn:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 6px 20px rgba(182, 137, 64, 0.25);
    transform: translateX(-50%) translateY(-1px);
}

/* Full-screen Lightbox Overlay */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(26, 25, 24, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-image {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 2001;
}

.lightbox-close-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: rotate(90deg);
}

/* Company Profile Section Styles */
.profile-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: var(--card-shadow);
}

.profile-container {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.profile-image-pane {
    width: 45%;
    height: 380px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: #f6f1e8;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-text-pane {
    width: 55%;
    display: flex;
    flex-direction: column;
}

.profile-company-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.25rem;
    letter-spacing: 0.05em;
}

.profile-tagline {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--primary);
    margin-top: 0.5rem;
    font-weight: 500;
}

.profile-divider {
    width: 60px;
    height: 2px;
    background-color: var(--primary);
    margin: 1.2rem 0;
}

.profile-paragraph {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.profile-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.profile-meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.profile-meta-item .meta-icon {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.profile-meta-item .meta-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

@media (max-width: 992px) {
    .profile-container {
        flex-direction: column;
        gap: 2rem;
    }
    .profile-image-pane, .profile-text-pane {
        width: 100%;
    }
    .profile-image-pane {
        height: 280px;
    }
    .profile-company-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .profile-meta-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}