/* ==========================================================================
   VÂN LỤA - VIETNAMESE SILK & STORIES
   HỆ THỐNG MÀU SẮC & THẨM MỸ DI SẢN LỤA TRUYỀN THỐNG VIỆT NAM
   ========================================================================== */

:root {
    /* Bảng màu nhận diện thương hiệu từ Logo Vân Lụa */
    --primary-color: #1C392E;        /* Xanh Ngọc Bích Trầm / Deep Heritage Jade (chữ Vân Lụa & vành khăn) */
    --primary-dark: #10241D;         /* Xanh Rừng Trầm Cung Đình / Imperial Pine */
    --primary-light: #2A5445;        /* Xanh Ngọc Dịu / Soft Jade */
    
    --accent-gold: #C59B6D;          /* Vàng Tơ Tằm Óng Ả / Champagne Silk Gold (dải lụa mềm mại) */
    --accent-gold-light: #DFBE99;    /* Vàng Tơ Nhạt / Silk Shimmer */
    --accent-gold-dark: #A57C4F;     /* Vàng Đồng Cổ / Antique Gold */
    
    --bg-ivory: #FFFBF2;             /* Bạch Tơ Tằm Tự Nhiên / Warm Silk Ivory (màu nền gốc của logo) */
    --bg-silk-card: #FFFFFF;         /* Trắng Ngọc Trai / Pearl Silk */
    --bg-silk-warm: #FAF5EB;         /* Kem Lụa Ngà / Warm Silk Tint */
    
    --border-color: #EBDDC8;         /* Viền Tơ Tằm Thanh Nhã / Silk Thread Border */
    --border-gold: rgba(197, 155, 109, 0.45);
    
    --text-color: #1D2B24;           /* Xanh Đen Ngọc Trầm / Dark Jade Charcoal */
    --text-muted: #677A70;           /* Xám Ngọc Thoang Thoảng / Muted Sage */
    --red-badge: #9E2A2B;            /* Đỏ Son Cung Đình / Royal Crimson */
    
    --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Base Elements */
body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background-color: var(--bg-ivory);
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: 0.2px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', 'Playfair Display', serif;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-gold);
}

.text-gold {
    color: var(--accent-gold) !important;
}

.text-jade {
    color: var(--primary-color) !important;
}

/* ==========================================================================
   TOP ANNOUNCEMENT BAR (XANH NGỌC TRẦM & VÀNG TƠ TẰM)
   ========================================================================== */
.top-announcement-bar {
    background-color: var(--primary-dark);
    color: var(--bg-ivory);
    padding: 9px 0;
    border-bottom: 1px solid rgba(197, 155, 109, 0.3);
    font-size: 12px;
    letter-spacing: 0.5px;
}

.top-announcement-bar .brand-tagline {
    font-family: 'Cormorant Garamond', serif;
    font-size: 13px;
    letter-spacing: 1.5px;
    color: var(--accent-gold-light);
    font-weight: 600;
}

.top-announcement-bar a {
    color: var(--bg-ivory);
    font-size: 11px;
}

.top-announcement-bar a:hover {
    color: var(--accent-gold);
}

.top-announcement-bar .text-sep {
    color: rgba(197, 155, 109, 0.4);
}

/* ==========================================================================
   HEADER & NAVBAR (NỀN BẠCH TƠ TẰM & LOGO VÂN LỤA)
   ========================================================================== */
.top-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    background-color: var(--bg-ivory);
    box-shadow: 0 4px 20px rgba(28, 57, 46, 0.05);
}

.brand-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.brand-logo-img:hover {
    transform: scale(1.03);
}

.main-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 32px;
}

.main-menu li a {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--primary-color);
    letter-spacing: 0.8px;
    position: relative;
    padding: 6px 0;
}

.main-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1.5px;
    background-color: var(--accent-gold);
    transition: var(--transition);
}

.main-menu li a:hover {
    color: var(--accent-gold-dark);
}

.main-menu li a:hover::after,
.main-menu li a.active::after {
    width: 100%;
}

/* ==========================================================================
   DROPDOWN DANH MỤC TRÊN MENU CHÍNH (SẢN PHẨM)
   ========================================================================== */
.main-menu li.has-dropdown {
    position: relative;
}

/* Vùng đệm vô hình giữ hover mượt mà giữa nút và menu thả xuống */
.main-menu li.has-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 15px;
    z-index: 1055;
}

.main-menu li.has-dropdown .nav-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 230px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: 0 12px 35px rgba(28, 57, 46, 0.15);
    border-radius: 6px;
    padding: 8px 0;
    margin: 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 1060;
}

.main-menu li.has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown li {
    margin: 0;
    padding: 0;
    display: block;
}

.nav-dropdown li a {
    display: flex;
    align-items: center;
    padding: 10px 20px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    text-transform: none !important;
    color: var(--primary-color) !important;
    letter-spacing: 0.3px !important;
    transition: var(--transition) !important;
    white-space: nowrap;
    width: 100%;
}

.nav-dropdown li a::after {
    display: none !important;
}

.nav-dropdown li a:hover {
    background-color: var(--bg-silk-warm);
    color: var(--accent-gold-dark) !important;
    padding-left: 24px !important;
}

.nav-dropdown li a.all-products-link {
    font-weight: 600 !important;
    color: var(--primary-dark) !important;
    letter-spacing: 0.5px !important;
}

.nav-dropdown .dropdown-divider {
    height: 1px;
    margin: 6px 0;
    background-color: var(--border-color);
    opacity: 0.7;
}

.header-icons .header-icon-link {
    color: var(--primary-color);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.header-icons .header-icon-link:hover {
    color: var(--accent-gold);
}

.header-icons .icon-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   RESPONSIVE HEADER & MOBILE OFFCANVAS DRAWER
   ========================================================================== */
.mobile-menu-toggle {
    font-size: 20px;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.mobile-menu-toggle:hover {
    color: var(--accent-gold-dark) !important;
}

.header-search-form {
    display: none;
    position: absolute;
    right: 0;
    top: 38px;
    width: 290px;
    max-width: 85vw;
    background: #ffffff;
    box-shadow: 0 8px 25px rgba(28, 57, 46, 0.15);
    padding: 10px;
    border: 1px solid var(--border-color);
    z-index: 1050;
}

.cart-badge-count {
    position: absolute;
    top: -6px;
    right: -8px;
    background-color: var(--accent-gold);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border: 1.5px solid var(--bg-ivory);
}

/* Silk Mobile Drawer */
.silk-mobile-menu {
    background-color: var(--bg-ivory) !important;
    width: 310px !important;
    max-width: 85vw !important;
    border-right: 1px solid var(--border-color) !important;
}

.silk-mobile-menu .offcanvas-header {
    background-color: #ffffff;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color) !important;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(235, 221, 200, 0.45);
    transition: var(--transition);
    cursor: pointer;
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
    background-color: var(--bg-silk-warm);
    color: var(--accent-gold-dark);
}

.mobile-nav-item .toggle-arrow {
    font-size: 11px;
    color: var(--text-muted);
    transition: transform 0.25s ease;
}

.mobile-nav-item[aria-expanded="true"] .toggle-arrow {
    transform: rotate(180deg);
}

.mobile-sub-list {
    background-color: #ffffff;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-sub-item {
    display: block;
    padding: 10px 20px 10px 42px;
    font-size: 13px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.mobile-sub-item:hover {
    color: var(--accent-gold-dark);
    background-color: var(--bg-silk-warm);
    padding-left: 46px;
}

/* Media queries tối ưu cho mobile */
@media (max-width: 991.98px) {
    .brand-logo-img {
        height: 38px;
    }
    .top-header {
        padding: 8px 0;
    }
    .header-icons .header-icon-link {
        font-size: 17px;
        gap: 0;
    }
}

@media (max-width: 575.98px) {
    .top-announcement-bar {
        font-size: 10.5px;
        padding: 5px 0;
    }
    .top-announcement-bar .announcement-center span {
        font-size: 10px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .brand-logo-img {
        height: 34px;
    }
}

/* ==========================================================================
   BUTTONS (NÚT BẤM SANG TRỌNG HOÀNG GIA)
   ========================================================================== */
.btn-jade {
    background-color: var(--primary-color);
    color: #ffffff;
    border: 1px solid var(--accent-gold);
    transition: var(--transition);
}

.btn-jade:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    border-color: var(--accent-gold-dark);
}

.btn-gold {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    font-weight: 600;
    border: 1px solid var(--accent-gold-dark);
    transition: var(--transition);
}

.btn-gold:hover {
    background-color: var(--accent-gold-dark);
    color: #ffffff;
}

.btn-hero-primary {
    display: inline-block;
    padding: 13px 36px;
    background-color: var(--primary-color);
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--accent-gold);
    box-shadow: 0 4px 15px rgba(16, 36, 29, 0.4);
}

.btn-hero-primary:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    border-color: var(--accent-gold);
}

.btn-hero-outline {
    display: inline-block;
    padding: 13px 36px;
    background-color: rgba(16, 36, 29, 0.5);
    color: var(--accent-gold-light);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--accent-gold-light);
    backdrop-filter: blur(4px);
}

.btn-hero-outline:hover {
    background-color: #ffffff;
    color: var(--primary-dark);
    border-color: #ffffff;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    padding: 12px 34px;
    border: 1.5px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
}

.btn-view-all:hover {
    background: var(--primary-color);
    color: var(--bg-ivory);
    border-color: var(--primary-color);
}

/* ==========================================================================
   HERO CAROUSEL SLIDER (BẢN SẮC TƠ LỤA VIỆT)
   ========================================================================== */
.hero-slider-wrapper {
    position: relative;
    overflow: hidden;
}

.hero-slide-item {
    position: relative;
    height: 580px;
    background-size: cover;
    background-position: center center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 36, 29, 0.4) 0%, rgba(16, 36, 29, 0.75) 100%);
    z-index: 1;
}

.hero-slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    max-width: 860px;
    padding: 0 20px;
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-gold-light);
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}

.hero-tag::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1.5px;
    background: var(--accent-gold);
}

.hero-title {
    font-family: 'Cormorant Garamond', 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 600;
    letter-spacing: 2px;
    line-height: 1.25;
    margin-bottom: 18px;
    text-transform: uppercase;
    color: #FFFBF2;
}

.hero-desc {
    font-size: 15px;
    color: rgba(255, 251, 242, 0.92);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 660px;
    margin-left: auto;
    margin-right: auto;
}

.hero-slider-wrapper .carousel-indicators [data-bs-target] {
    width: 32px;
    height: 3px;
    background-color: var(--accent-gold-light);
    opacity: 0.5;
    border-radius: 2px;
}

.hero-slider-wrapper .carousel-indicators .active {
    opacity: 1;
    width: 48px;
    background-color: var(--accent-gold);
}

.hero-slider-wrapper .carousel-control-prev,
.hero-slider-wrapper .carousel-control-next {
    width: 60px;
    opacity: 0.7;
    transition: var(--transition);
    z-index: 3;
}

.hero-slider-wrapper .carousel-control-prev:hover,
.hero-slider-wrapper .carousel-control-next:hover {
    opacity: 1;
}

/* ==========================================================================
   TRUST & SERVICE STRIP (ĐẶC QUYỀN LỤA VIỆT)
   ========================================================================== */
.trust-strip {
    background: var(--bg-silk-warm);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 26px 0;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 12px;
}

.trust-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-ivory);
    border: 1.5px solid var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--primary-color);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(197, 155, 109, 0.15);
}

.trust-text h6 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary-color);
}

.trust-text p {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   CAMPAIGN BOXES (BẢNG TIN XU HƯỚNG & DÒNG SẢN PHẨM)
   ========================================================================== */
.campaign-box {
    position: relative;
    overflow: hidden;
    height: 260px;
    display: block;
    text-decoration: none;
    color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.campaign-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.campaign-box:hover img {
    transform: scale(1.06);
}

.campaign-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(28, 57, 46, 0.15) 0%, rgba(16, 36, 29, 0.82) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: background 0.3s ease;
}

.campaign-box:hover .campaign-overlay {
    background: linear-gradient(180deg, rgba(28, 57, 46, 0.25) 0%, rgba(16, 36, 29, 0.92) 100%);
}

.campaign-sub {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--accent-gold-light);
    margin-bottom: 4px;
}

.campaign-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
    color: #FFFBF2;
}

.campaign-btn {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-gold-light);
    border-bottom: 1.5px solid var(--accent-gold);
    padding-bottom: 2px;
    width: fit-content;
}

/* ==========================================================================
   SECTION HEADINGS & CULTURAL DIVIDERS
   ========================================================================== */
.section-heading-wrapper {
    text-align: center;
    margin-bottom: 40px;
}

.section-sub-title {
    display: block;
    font-family: 'Alex Brush', cursive;
    font-size: 24px;
    color: var(--accent-gold);
    font-weight: 400;
    margin-bottom: 2px;
}

.section-main-title {
    font-family: 'Cormorant Garamond', 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.section-divider {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    margin: 0 auto;
    position: relative;
}

.section-divider::before {
    content: '✦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 9px;
    color: var(--accent-gold);
    background: var(--bg-ivory);
    padding: 0 4px;
}

/* ==========================================================================
   PRODUCT CARDS (THIẾT KẾ THẺ SẢN PHẨM TƠ LỤA 3:4)
   ========================================================================== */
.product-card {
    position: relative;
    background-color: var(--bg-silk-card);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding-bottom: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(28, 57, 46, 0.03);
}

.product-card:hover {
    box-shadow: 0 8px 25px rgba(28, 57, 46, 0.08);
    border-color: var(--accent-gold);
}

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    margin-bottom: 14px;
    background-color: var(--bg-silk-warm);
    aspect-ratio: 3 / 4;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.8s ease;
}

.product-card:hover .product-img-wrapper img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(28, 57, 46, 0.45);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 3;
}

.btn-quick-view {
    display: inline-block;
    padding: 12px 24px;
    text-align: center;
    border: 1.5px solid var(--accent-gold);
    background-color: rgba(16, 36, 29, 0.85);
    color: #FFFBF2;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: all 0.25s ease;
    transform: translateY(8px);
    backdrop-filter: blur(2px);
}

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

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

.product-card:hover .btn-quick-view:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
}

.badge-sale, .badge-store {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--primary-color);
    color: var(--accent-gold-light);
    border: 1px solid var(--accent-gold);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 9px;
    z-index: 4;
}

.badge-store {
    background: var(--red-badge);
    color: #fff;
    right: auto;
    left: 0;
    border: none;
}

.product-info {
    text-align: center;
    padding: 0 12px;
}

.product-title {
    font-family: 'Cormorant Garamond', 'Playfair Display', serif;
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 6px;
    font-weight: 600;
    line-height: 1.35;
    height: 42px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-gold-dark);
    margin-bottom: 0;
}

.product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ==========================================================================
   BRAND STORY BANNER (LỜI TỰA DI SẢN VĂN HÓA LỤA)
   ========================================================================== */
.brand-story-banner {
    position: relative;
    background-size: cover;
    background-position: center center;
    padding: 110px 20px;
    color: #ffffff;
    text-align: center;
    margin: 60px 0;
}

.brand-story-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 36, 29, 0.8) 0%, rgba(28, 57, 46, 0.9) 100%);
    z-index: 1;
}

.brand-story-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    margin: 0 auto;
}

.brand-story-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-gold-light);
    margin-bottom: 14px;
}

.brand-story-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 40px;
    font-weight: 600;
    letter-spacing: 2px;
    line-height: 1.3;
    margin-bottom: 18px;
    text-transform: uppercase;
    color: #FFFBF2;
}

.brand-story-desc {
    font-size: 15px;
    color: rgba(255, 251, 242, 0.92);
    line-height: 1.9;
    margin-bottom: 28px;
    font-weight: 300;
}

/* ==========================================================================
   LOOKBOOK & INSTAGRAM GRID
   ========================================================================== */
.lookbook-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    display: block;
    border: 1px solid var(--border-color);
}

.lookbook-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.lookbook-item:hover img {
    transform: scale(1.08);
}

.lookbook-hover {
    position: absolute;
    inset: 0;
    background: rgba(28, 57, 46, 0.65);
    color: var(--accent-gold-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lookbook-item:hover .lookbook-hover {
    opacity: 1;
}

/* ==========================================================================
   VIP NEWSLETTER SECTION
   ========================================================================== */
.newsletter-section {
    background: var(--bg-silk-warm);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 70px 20px;
    text-align: center;
}

.newsletter-box {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.newsletter-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 26px;
}

/* ==========================================================================
   CATALOG PAGE (TRANG DANH SÁCH SẢN PHẨM)
   ========================================================================== */
.breadcrumb-container {
    padding: 14px 0;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-ivory);
}

.breadcrumb-container a {
    color: var(--primary-color);
    font-weight: 500;
}

.catalog-hero-header {
    background: var(--bg-silk-warm);
    padding: 45px 0 35px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 35px;
    text-align: center;
}

.catalog-hero-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 34px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.catalog-hero-desc {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
}

.sidebar-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 10px;
}

.sidebar-list li a {
    color: var(--text-muted);
    font-size: 13.5px;
    display: block;
    transition: var(--transition);
}

.sidebar-list li a:hover,
.sidebar-list li a.active {
    color: var(--primary-color);
    font-weight: 600;
    padding-left: 6px;
    border-left: 2px solid var(--accent-gold);
}

.filter-price-pill {
    display: block;
    padding: 7px 14px;
    font-size: 12.5px;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    background: var(--bg-silk-card);
    margin-bottom: 7px;
    text-decoration: none;
    transition: var(--transition);
}

.filter-price-pill:hover,
.filter-price-pill.active {
    background: var(--primary-color);
    border-color: var(--accent-gold);
    color: var(--accent-gold-light);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
}

/* ==========================================================================
   RECOMMENDATION SECTION (CHI TIẾT SẢN PHẨM)
   ========================================================================== */
.recommend-section {
    padding: 55px 0 40px;
    border-top: 1px solid var(--border-color);
}

.recommend-tabs {
    display: inline-flex;
    gap: 36px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.recommend-tab-btn {
    background: none;
    border: none;
    font-family: 'Cormorant Garamond', serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    position: relative;
    cursor: pointer;
    padding: 6px 8px;
    transition: var(--transition);
}

.recommend-tab-btn:hover {
    color: var(--primary-color);
}

.recommend-tab-btn.active {
    color: var(--primary-color);
    font-weight: 700;
}

.recommend-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
}

/* ==========================================================================
   HERITAGE FOOTER (FOOTER HOÀNG GIA DI SẢN)
   ========================================================================== */
.heritage-footer {
    background-color: var(--primary-dark);
    color: #e4ded5;
    border-top: 2px solid var(--accent-gold);
    font-size: 13px;
    line-height: 1.7;
}

.footer-slogan {
    font-family: 'Cormorant Garamond', serif;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--accent-gold-light);
    font-weight: 600;
    margin-bottom: 0;
}

.footer-desc {
    color: #b5aba0;
    font-size: 13px;
    line-height: 1.7;
}

.footer-col-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--accent-gold-light);
    border-bottom: 1px solid rgba(197, 155, 109, 0.3);
    padding-bottom: 8px;
    margin-bottom: 18px;
}

.footer-address-list,
.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-address-list li {
    margin-bottom: 10px;
    color: #b5aba0;
}

.footer-nav-list li {
    margin-bottom: 8px;
}

.footer-nav-list li a {
    color: #b5aba0;
    transition: var(--transition);
}

.footer-nav-list li a:hover {
    color: var(--accent-gold);
    padding-left: 4px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold-light);
    margin-right: 8px;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.border-gold-dark {
    border-color: rgba(197, 155, 109, 0.25) !important;
}

.copyright-text {
    font-size: 12px;
    letter-spacing: 0.8px;
    color: #9c9186;
}