/* ==========================================================================
   THÙNG GỖ PHẠM DUY - MAIN STYLESHEET
   Design Style: Traditional Vietnamese Woodcraft / Modern E-Commerce Catalog
   ========================================================================== */

:root {
    --primary-red: #8B1515;
    --primary-dark-red: #6D0C0C;
    --primary-light-red: #A62121;
    --accent-orange: #FF6A00;
    --accent-orange-deep: #EE5A24;
    --accent-gold: #D4AF37;
    --accent-gold-light: #F6C343;
    --bg-warm: #FAF8F5;
    --bg-cream: #F4EFEB;
    --bg-white: #FFFFFF;
    --text-main: #2A2A2A;
    --text-muted: #666666;
    --text-light: #888888;
    --border-light: #E8E1D9;
    --border-red: #8B1515;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-heading: 'Be Vietnam Pro', sans-serif;
    --font-body: 'Be Vietnam Pro', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

/* RESET & BASE */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 15px;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-warm);
    background-image: radial-gradient(rgba(212, 175, 55, 0.05) 1px, transparent 0);
    background-size: 24px 24px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.25s ease;
}

ul {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

.tgpd-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
    background: #FFFFFF;
    border-bottom: 2px solid var(--border-light);
    position: relative;
    z-index: 100;
}

/* Top brand */
.header-top {
    padding: 14px 0;
    background: #FFFFFF;
}

.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-brand .brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo .barrel-icon {
    width: 58px;
    height: 58px;
    filter: drop-shadow(0 2px 4px rgba(139, 21, 21, 0.2));
}

.brand-text .sub-brand {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.brand-text .main-brand {
    font-size: 17px;
    font-weight: 800;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.25;
}

/* Search Form with Ornate Styling */
.header-search {
    flex: 1;
    max-width: 480px;
}

.tgpd-search-form .search-input-wrap {
    display: flex;
    border: 2px solid var(--primary-red);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #FFFFFF;
    position: relative;
}

.search-field {
    flex: 1;
    border: none;
    padding: 10px 14px;
    outline: none;
    font-size: 14px;
}

.search-submit {
    background: var(--primary-red);
    color: #FFFFFF;
    border: none;
    padding: 0 18px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.search-submit:hover {
    background: var(--primary-dark-red);
}

/* Header Contact */
.header-contact {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hotline-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hotline-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(139, 21, 21, 0.1);
    color: var(--primary-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.hotline-info .hotline-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.hotline-info .hotline-number {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1.1;
}

.btn-zalo-top {
    background: #0088FF;
    color: #FFFFFF;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 6px rgba(0, 136, 255, 0.25);
}

.btn-zalo-top:hover {
    background: #0070D2;
}

/* Main Navigation Bar */
.main-navigation {
    background: var(--primary-red);
    box-shadow: 0 4px 10px rgba(139, 21, 21, 0.25);
}

.nav-inner {
    display: flex;
    align-items: center;
}

.cat-nav-toggle {
    width: 275px;
    background: var(--primary-dark-red);
    color: #FFFFFF;
    font-weight: 800;
    font-size: 14px;
    padding: 13px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    letter-spacing: 0.5px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.primary-menu-container {
    flex: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.nav-menu .menu-item a {
    display: block;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 13.5px;
    padding: 13px 18px;
    letter-spacing: 0.3px;
    position: relative;
}

.nav-menu .menu-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 3px;
    background: var(--accent-gold-light);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.nav-menu .menu-item:hover a,
.nav-menu .menu-item.current-menu-item a {
    background: rgba(0, 0, 0, 0.12);
}

.nav-menu .menu-item:hover a::after,
.nav-menu .menu-item.current-menu-item a::after {
    transform: scaleX(1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 22px;
    cursor: pointer;
    padding: 10px;
}

/* ==========================================================================
   HERO SECTION & CATEGORY SIDEBAR
   ========================================================================== */
.hero-section {
    padding: 20px 0 30px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 275px 1fr;
    gap: 20px;
    align-items: stretch;
}

/* Left Category Sidebar */
.hero-category-sidebar {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cat-sidebar-header {
    background: var(--primary-red);
    color: #FFFFFF;
    padding: 13px 18px;
    font-weight: 800;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.cat-sidebar-list {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

.cat-sidebar-list li {
    border-bottom: 1px solid #F0ECE6;
    flex: 1;
    display: flex;
}

.cat-sidebar-list li:last-child {
    border-bottom: none;
}

.cat-sidebar-list a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 16px;
    font-size: 13px;
    font-weight: 700;
    color: #333;
    transition: background 0.2s ease, color 0.2s ease, border-left-color 0.2s ease;
    border-left: 4px solid transparent;
    line-height: 1.35;
    width: 100%;
    box-sizing: border-box;
}

.cat-sidebar-list a i {
    width: 18px;
    color: var(--primary-red);
    font-size: 14px;
    flex-shrink: 0;
    text-align: center;
}

.cat-sidebar-list li:hover a,
.cat-sidebar-list li.active a {
    background: #FFF8F2;
    color: var(--primary-red);
    border-left-color: var(--primary-red);
    /* Tuyệt đối KHÔNG tăng padding-left để tránh CLS / nhảy dòng */
}

/* Hero Slider Banner */
.hero-slider-wrap {
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    min-height: 380px;
    box-shadow: var(--shadow-md);
}

.hero-slide {
    width: 100%;
    height: 100%;
    min-height: 380px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(20, 10, 5, 0.85) 0%, rgba(20, 10, 5, 0.5) 60%, rgba(20, 10, 5, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 40px;
    max-width: 650px;
    color: #FFFFFF;
}

.hero-tag {
    display: inline-block;
    background: rgba(212, 175, 55, 0.25);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold-light);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 14px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-desc {
    font-size: 15px;
    color: #F1ECE6;
    margin-bottom: 24px;
    line-height: 1.5;
}

.hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-deep) 100%);
    color: #FFFFFF;
    font-weight: 800;
    font-size: 14px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.35);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 106, 0, 0.45);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 14px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-hero-secondary:hover {
    background: #FFFFFF;
    color: var(--primary-red);
}

/* 4 COMMITMENTS BAR */
.commitments-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 20px;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
}

.commit-item {
    display: flex;
    align-items: center;
    gap: 14px;
    border-right: 1px solid var(--border-light);
    padding-right: 12px;
}

.commit-item:last-child {
    border-right: none;
}

.commit-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFF5F0;
    color: var(--accent-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.commit-text h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 2px;
}

.commit-text p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   TRADITIONAL HEADINGS WITH ORNAMENTAL CORNERS
   ========================================================================== */
.traditional-heading-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
}

.corner-ornament-box {
    position: relative;
    display: inline-block;
    padding: 8px 32px;
    background: #FFFFFF;
    border: 1px solid #C48E8E;
    box-shadow: 0 2px 6px rgba(139, 21, 21, 0.08);
}

.corner-ornament-box.small {
    padding: 6px 20px;
}

.section-title-traditional {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

/* 4 Decorative Corner Brackets (Chữ Vạn / Hoa Văn Góc) */
.corner-ornament-box .corner {
    position: absolute;
    width: 9px;
    height: 9px;
    border-color: var(--primary-red);
    border-style: solid;
}

.corner.top-left {
    top: -3px;
    left: -3px;
    border-width: 3px 0 0 3px;
}

.corner.top-right {
    top: -3px;
    right: -3px;
    border-width: 3px 3px 0 0;
}

.corner.bottom-left {
    bottom: -3px;
    left: -3px;
    border-width: 0 0 3px 3px;
}

.corner.bottom-right {
    bottom: -3px;
    right: -3px;
    border-width: 0 3px 3px 0;
}

/* ==========================================================================
   SECTION: SẢN PHẨM BÁN CHẠY (5 BOXES NỔI BẬT THEO ĐÚNG ẢNH MẪU)
   ========================================================================== */
.section-featured-orange {
    padding: 40px 0;
}

.featured-5-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr 1fr;
    gap: 20px;
    align-items: stretch;
}

.col-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Orange Product Cards */
.orange-card {
    background: linear-gradient(135deg, #FF7B00 0%, #FF5000 100%);
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 18px rgba(255, 80, 0, 0.25);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.orange-card::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.orange-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(255, 80, 0, 0.35);
}

/* Card Small (Left & Right columns) */
.orange-card.card-small {
    display: flex;
    align-items: center;
    padding: 16px;
    gap: 12px;
    min-height: 180px;
}

.card-small .card-info {
    flex: 1.2;
    z-index: 2;
}

.card-small .card-title {
    font-size: 16px;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-discount {
    font-size: 13px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 4px;
}

.card-price-tag {
    font-size: 15px;
    font-weight: 800;
    color: #FFF3C4;
    margin-bottom: 12px;
}

.card-small .card-img-wrap {
    flex: 1;
    max-width: 130px;
    background: #FFFFFF;
    border-radius: var(--radius-sm);
    padding: 6px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.card-small .card-img-wrap img {
    max-height: 120px;
    object-fit: contain;
}

/* Card Large (Center Column) */
.orange-card.card-large {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 20px;
    text-align: center;
    height: 100%;
}

.card-header-center {
    margin-bottom: 15px;
    z-index: 2;
}

.hot-badge {
    display: inline-block;
    background: rgba(0, 0, 0, 0.2);
    color: #FFF3C4;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 12px;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.card-large .card-title {
    font-size: 20px;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.3;
}

.card-img-center {
    background: #FFFFFF;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 10px auto 16px;
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.card-img-center img {
    max-height: 180px;
    object-fit: contain;
}

.card-footer-center {
    z-index: 2;
}

.card-price-tag.large {
    font-size: 20px;
    color: #FFF8DB;
    margin: 4px 0 14px;
}

/* Button "Mua ngay" Orange Card */
.btn-buy-orange {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: 1.5px solid #FFFFFF;
    padding: 6px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-block;
}

.btn-buy-orange:hover {
    background: #FFFFFF;
    color: var(--accent-orange-deep);
}

.btn-buy-orange.btn-large {
    padding: 9px 36px;
    font-size: 15px;
}

/* ==========================================================================
   CATEGORY PRODUCTS GRID (WHITE CARDS)
   ========================================================================== */
.section-category-products {
    padding: 35px 0;
}

.section-category-products.bg-cream {
    background: var(--bg-cream);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.product-cards-grid {
    display: grid;
    gap: 20px;
}

.grid-4-col {
    grid-template-columns: repeat(4, 1fr);
}

.product-card-white {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.product-card-white:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #D4AF37;
}

.prod-thumb {
    width: 100%;
    height: 180px;
    background: #FFFFFF;
    border-bottom: 1px solid #F5F1EB;
    padding-bottom: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.prod-thumb img {
    max-height: 160px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-card-white:hover .prod-thumb img {
    transform: scale(1.05);
}

.prod-title {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.35;
    margin-bottom: 10px;
    height: 40px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.prod-title a:hover {
    color: var(--primary-red);
}

.prod-price-row {
    font-size: 14px;
    margin-bottom: 14px;
    margin-top: auto;
}

.price-label {
    color: var(--text-muted);
    font-weight: 600;
}

.price-value.red {
    color: #D63031;
    font-weight: 800;
    font-size: 15.5px;
    margin-left: 4px;
}

.price-value.contact {
    color: #0088FF;
    font-weight: 700;
}

.prod-btn-row {
    display: flex;
    gap: 8px;
}

.btn-action-order {
    flex: 1;
    background: var(--primary-red);
    color: #FFFFFF;
    border: none;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-action-order:hover {
    background: var(--primary-dark-red);
}

.btn-action-zalo {
    background: #0088FF;
    color: #FFFFFF;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-action-zalo:hover {
    background: #006ED0;
}

/* Link Xem thêm */
.view-more-center {
    text-align: center;
    margin-top: 25px;
}

.link-view-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: #444;
    padding: 8px 22px;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: 20px;
    transition: all 0.2s ease;
}

.link-view-more:hover {
    color: var(--primary-red);
    border-color: var(--primary-red);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   SECTION: DUAL NEWS & ARTICLES (2 CỘT CHUẨN MẪU)
   ========================================================================== */
.section-news-dual {
    padding: 40px 0;
}

.news-dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.news-col-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 8px;
}

.news-col-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary-red);
    text-transform: uppercase;
}

.news-more-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-red);
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item-horizontal {
    display: flex;
    gap: 14px;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 10px;
    transition: box-shadow 0.2s ease;
}

.news-item-horizontal:hover {
    box-shadow: var(--shadow-sm);
    border-color: #D4AF37;
}

.news-item-horizontal .news-thumb {
    width: 120px;
    height: 85px;
    flex-shrink: 0;
    border-radius: 3px;
    overflow: hidden;
}

.news-item-horizontal .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-item-horizontal:hover .news-thumb img {
    transform: scale(1.08);
}

.news-item-horizontal .news-content {
    flex: 1;
}

.news-item-horizontal .news-title {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-horizontal .news-title a:hover {
    color: var(--primary-red);
}

.news-item-horizontal .news-excerpt {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================================================
   SECTION: WORKSHOP GALLERY & VIDEOS
   ========================================================================== */
.section-workshop-gallery {
    padding: 30px 0 50px;
}

.workshop-gallery-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.header-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-red);
}

.gallery-more-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-red);
    display: flex;
    align-items: center;
    gap: 5px;
}

.workshop-gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px;
}

.workshop-card {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    height: 260px;
    box-shadow: var(--shadow-sm);
}

.workshop-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.workshop-overlay-label {
    position: absolute;
    bottom: 0;
    inset-inline: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 700;
    padding: 20px 14px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   FOOTER GIAO DIỆN SÁNG (LIGHT THEME FOOTER THEO MẪU)
   ========================================================================== */
.site-footer.light-theme {
    background-color: #FAF7F2;
    background-image: 
        radial-gradient(#E8DFD3 1px, transparent 1px),
        linear-gradient(to bottom, #FAF7F2 0%, #F5EFE6 100%);
    background-size: 20px 20px, 100% 100%;
    color: #4A4540;
    padding-top: 25px;
    border-top: none;
    position: relative;
    overflow: hidden;
}

/* ĐƯỜNG PHÂN CÁCH ĐÔI KÈM HUY HIỆU TRUNG TÂM */
.footer-divider-badge-wrap {
    margin-bottom: 25px;
}

.footer-divider-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.divider-line {
    flex: 1;
    height: 4px;
    border-top: 1px solid #8B1515;
    border-bottom: 1px solid #8B1515;
}

.footer-center-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.badge-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid #8B1515;
    padding: 3px;
    background: #FFFFFF;
    box-shadow: 0 2px 6px rgba(139, 21, 21, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-circle .barrel-icon-mini {
    width: 38px;
    height: 38px;
}

.badge-text {
    font-size: 10px;
    font-weight: 800;
    color: #8B1515;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* FOOTER GRID 4 CỘT HÀNG 1 & HÀNG 2 */
.footer-content-wrap {
    padding-bottom: 35px;
}

.footer-row-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr 1.25fr;
    gap: 28px;
}

.footer-row-grid.second-row {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px dashed #E0D7CC;
}

.footer-heading-red {
    font-size: 16.5px;
    font-weight: 800;
    color: #8B1515;
    margin-bottom: 14px;
    font-family: var(--font-heading);
    letter-spacing: 0.2px;
}

.footer-nav-list li {
    margin-bottom: 7px;
}

.footer-nav-list a {
    font-size: 13.5px;
    color: #4A4540;
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}

.footer-nav-list a:hover {
    color: #8B1515;
    transform: translateX(3px);
}

.footer-nav-list.uppercase a {
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* Google Maps Card */
.footer-map-card {
    background: #FFFFFF;
    border: 1px solid #E2D9CC;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.map-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background: #FAF7F2;
    border-bottom: 1px solid #EBE3D7;
    font-size: 11.5px;
}

.map-card-header .map-title {
    color: #555;
    font-weight: 600;
}

.map-open-link {
    color: #0088FF;
    font-weight: 700;
}

.map-embed-wrapper iframe {
    display: block;
}

/* Hàng 2: Thông tin công ty */
.footer-company-info .company-name-bold {
    font-size: 16px;
    font-weight: 800;
    color: #2D2724;
    margin-bottom: 8px;
}

.company-line {
    font-size: 13px;
    color: #4A4540;
    margin-bottom: 6px;
    line-height: 1.45;
}

.company-line i {
    color: #8B1515;
    width: 16px;
}

.company-line .phone-link {
    color: #D63031;
    font-weight: 800;
}

.company-line a:hover {
    color: #8B1515;
    text-decoration: underline;
}

/* Hotline Block */
.footer-hotline-block {
    font-size: 13.5px;
    line-height: 1.8;
}

.hotline-big-line .label, .website-line .label {
    font-weight: 600;
    color: #555;
}

.hotline-big-line .number {
    font-size: 15px;
    font-weight: 800;
    color: #D63031;
    margin-left: 6px;
}

.website-line a {
    color: #0088FF;
    font-weight: 600;
    margin-left: 4px;
}

/* Form Đăng Ký Nhận Tin Viền Hoa Văn Góc Đỏ */
.newsletter-sub {
    font-size: 12.5px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.4;
}

.footer-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.corner-ornament-input {
    position: relative;
    background: #FFFFFF;
    border: 1px solid #C48E8E;
    box-shadow: 0 1px 4px rgba(139, 21, 21, 0.06);
}

.corner-ornament-input .newsletter-input {
    width: 100%;
    border: none;
    outline: none;
    padding: 8px 12px;
    font-size: 13.5px;
    background: transparent;
    color: #333;
}

.corner-ornament-btn-wrap {
    position: relative;
}

.btn-newsletter-submit {
    width: 100%;
    background: #8B1515;
    color: #FFFFFF;
    border: 1px solid #700B0B;
    padding: 8px 0;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: background 0.2s ease;
}

.btn-newsletter-submit:hover {
    background: #6D0C0C;
}

/* Fanpage Facebook Plugin Box */
.footer-fanpage-card {
    background: #FFFFFF;
    border: 1px solid #DDD3C5;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.fanpage-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: #FAF7F2;
    border-bottom: 1px solid #EAE2D5;
}

.fanpage-avatar {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.fanpage-info {
    flex: 1;
}

.fanpage-title {
    font-size: 12.5px;
    font-weight: 700;
    color: #333;
    line-height: 1.2;
}

.btn-fb-follow {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #EBF3FF;
    color: #1877F2;
    border: 1px solid #CCDDF5;
    font-size: 10.5px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 3px;
    margin-top: 2px;
}

.fanpage-likes {
    font-size: 10px;
    color: #777;
    margin-left: 6px;
}

.fanpage-media {
    position: relative;
    height: 120px;
}

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

.fanpage-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border: 2px solid #FFFFFF;
}

.fb-plugin-tag {
    position: absolute;
    bottom: 4px;
    right: 6px;
    background: rgba(0, 0, 0, 0.6);
    color: #FFFFFF;
    font-size: 9px;
    padding: 1px 6px;
    border-radius: 2px;
}

/* COPYRIGHT BOTTOM (GIAO DIỆN SÁNG) */
.footer-bottom-light {
    background: #EFE9DF;
    border-top: 1px solid #E2D9CC;
    padding: 14px 0;
}

.copyright-center-text {
    text-align: center;
    font-size: 13px;
    color: #5A534C;
    font-weight: 500;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (GÓC PHẢI MÀN HÌNH)
   ========================================================================== */
.floating-contact-group {
    position: fixed;
    right: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 999;
}

.float-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    position: relative;
    border: none;
    outline: none;
    transition: transform 0.2s ease;
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-tooltip {
    position: absolute;
    right: 58px;
    background: rgba(0, 0, 0, 0.85);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.float-btn:hover .float-tooltip {
    opacity: 1;
}

/* Zalo button */
.btn-zalo {
    background: #0088FF;
}

.zalo-icon-badge {
    font-size: 12px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

/* Phone button with ripple animation */
.btn-phone {
    background: #E84118;
}

.phone-circle-animation {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid #E84118;
    animation: ripple 1.6s infinite ease-out;
}

@keyframes ripple {
    0% { transform: scale(0.9); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Scroll to top button */
.btn-scroll-top {
    background: #555555;
    font-size: 16px;
    display: none; /* Hiển thị qua JS khi scroll */
}

.btn-scroll-top.show {
    display: flex;
}

/* ==========================================================================
   MODAL POPUP ĐẶT HÀNG NHANH (MUA NGAY)
   ========================================================================== */
.tgpd-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

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

.tgpd-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.tgpd-modal-content {
    position: relative;
    background: #FFFFFF;
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalPop 0.3s ease-out;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.tgpd-modal-close {
    position: absolute;
    top: 12px;
    right: 14px;
    background: none;
    border: none;
    font-size: 28px;
    color: #FFFFFF;
    cursor: pointer;
    line-height: 1;
    z-index: 10;
}

.tgpd-modal-header {
    background: var(--primary-red);
    color: #FFFFFF;
    padding: 18px 24px;
    text-align: center;
}

.modal-badge {
    font-size: 11px;
    font-weight: 800;
    background: var(--accent-gold);
    color: #4A0808;
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 6px;
}

.modal-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 4px;
}

.modal-subtitle {
    font-size: 12px;
    color: #F8DCDC;
}

.tgpd-modal-body {
    padding: 20px 24px;
}

/* Modal product summary */
.modal-product-summary {
    display: flex;
    gap: 14px;
    background: #FDF9F5;
    border: 1px solid #EEDFCE;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 18px;
    align-items: center;
}

.modal-prod-img-wrap {
    width: 60px;
    height: 60px;
    background: #FFF;
    border-radius: 4px;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #E8E0D5;
}

.modal-prod-img-wrap img {
    max-height: 50px;
    object-fit: contain;
}

.modal-prod-details h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 4px;
}

.modal-prod-price {
    font-size: 13px;
}

.modal-prod-price strong {
    color: #D63031;
    font-size: 15px;
}

.modal-prod-note {
    font-size: 11px;
    color: #27AE60;
    font-weight: 600;
    margin-top: 2px;
}

/* Quick order form inputs */
.quick-order-form .form-group {
    margin-bottom: 12px;
}

.quick-order-form label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.quick-order-form label .required {
    color: #D63031;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #CCC;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(139, 21, 21, 0.1);
}

.btn-submit-order {
    width: 100%;
    background: linear-gradient(135deg, #FF6A00 0%, #D63031 100%);
    color: #FFFFFF;
    border: none;
    padding: 13px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(214, 48, 49, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-submit-order:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.order-form-message {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    display: none;
}

.order-form-message.success {
    display: block;
    color: #27AE60;
    background: #E8F8F0;
    padding: 8px;
    border-radius: 4px;
}

.order-form-message.error {
    display: block;
    color: #D63031;
    background: #FCE8E8;
    padding: 8px;
    border-radius: 4px;
}

.modal-direct-call {
    text-align: center;
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.direct-call-link {
    color: var(--primary-red);
    font-weight: 800;
    margin-left: 4px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-category-sidebar {
        display: none; /* Ẩn sidebar desktop khi màn hình nhỏ */
    }

    .featured-5-grid {
        grid-template-columns: 1fr 1fr;
    }

    .col-center {
        grid-column: 1 / -1;
    }

    .grid-4-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-dual-grid {
        grid-template-columns: 1fr;
    }

    .workshop-gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .workshop-card.main-workshop-photo {
        grid-column: 1 / -1;
    }

    .footer-widgets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-top-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .header-search {
        max-width: 100%;
    }

    .header-contact {
        justify-content: space-between;
    }

    .nav-inner {
        justify-content: space-between;
        padding: 6px 0;
    }

    .cat-nav-toggle {
        width: auto;
        padding: 8px 12px;
        font-size: 13px;
        border-right: none;
    }

    .primary-menu-container {
        display: none; /* Sẽ toggle qua JS trên mobile */
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark-red);
        z-index: 1000;
    }

    .primary-menu-container.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-menu .menu-item a {
        padding: 12px 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content {
        padding: 24px 20px;
    }

    .hero-title {
        font-size: 20px;
    }

    .commitments-bar {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .commit-item {
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding-bottom: 10px;
    }

    .commit-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .featured-5-grid {
        grid-template-columns: 1fr;
    }

    .grid-4-col {
        grid-template-columns: 1fr;
    }

    .workshop-gallery-grid {
        grid-template-columns: 1fr;
    }

    .footer-widgets-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

/* ==========================================================================
   PRODUCT DETAIL GALLERY & VIDEO STYLES (CHUẨN THEO ẢNH MẪU ĐỒNG HỒ)
   ========================================================================== */
.main-media-wrap {
    position: relative;
    width: 100%;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #FAF8F5;
    border-radius: 6px;
}

#mainProductView {
    max-height: 380px;
    width: 100%;
    object-fit: contain;
    transition: opacity 0.25s ease;
    cursor: zoom-in;
}

.main-video-embed {
    width: 100%;
    height: 380px;
    border-radius: 6px;
    overflow: hidden;
    background: #000000;
}

.main-video-embed iframe,
.main-video-embed video {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* THUMBNAIL STRIP DƯỚI ẢNH CHÍNH (KHÔNG BỊ CẮT XÉN VIỀN) */
.product-thumbs-strip {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    align-items: center;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 6px 4px 10px;
    scrollbar-width: thin;
}

.product-thumbs-strip::-webkit-scrollbar {
    height: 4px;
}
.product-thumbs-strip::-webkit-scrollbar-thumb {
    background: #E0D7CC;
    border-radius: 4px;
}

.gallery-thumb-item {
    width: 66px;
    height: 66px;
    border: 1.5px solid #E0D7CC;
    border-radius: 6px;
    padding: 2px;
    background: #FFFFFF;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.gallery-thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.gallery-thumb-item:hover {
    border-color: #8B1515;
    box-shadow: 0 2px 8px rgba(139, 21, 21, 0.15);
}

.gallery-thumb-item.active {
    border: 2px solid #8B1515;
    box-shadow: 0 0 0 1px #8B1515, 0 3px 10px rgba(139, 21, 21, 0.25);
}

/* NÚT VIDEO ICON & CHỮ THEO MẪU (CHUẨN ẢNH ĐỒNG HỒ) */
.thumb-video-btn {
    background: #FFFFFF;
    border: 1.5px solid #CCD0D5;
}

.thumb-video-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #374151;
    width: 100%;
    height: 100%;
}

.video-icon-box {
    color: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.video-label {
    font-size: 11.5px;
    font-weight: 700;
    color: #374151;
    line-height: 1;
    letter-spacing: 0.3px;
    transition: color 0.2s ease;
}

.thumb-video-btn:hover .thumb-video-content,
.thumb-video-btn.active .thumb-video-content {
    color: #8B1515;
}
.thumb-video-btn:hover .video-icon-box,
.thumb-video-btn.active .video-icon-box,
.thumb-video-btn:hover .video-label,
.thumb-video-btn.active .video-label {
    color: #8B1515;
}

.thumb-video-btn.active {
    border: 2px solid #8B1515;
    background: #FFF9F5;
}

/* ==========================================================================
   CHI TIẾT SẢN PHẨM (SINGLE PRODUCT LAYOUT)
   ========================================================================== */
.single-product-main {
    padding: 25px 0 60px;
    background: #F8F9FA;
}
.breadcrumb-nav {
    margin-bottom: 20px;
    font-size: 13.5px;
    color: #6C757D;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.breadcrumb-nav a {
    color: #555555;
    text-decoration: none;
    transition: color 0.2s ease;
}
.breadcrumb-nav a:hover {
    color: #8B1515;
}
.breadcrumb-nav .sep {
    color: #ADB5BD;
}
.breadcrumb-nav .current {
    color: #212529;
    font-weight: 700;
}

.single-product-layout {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 35px;
    background: #FFFFFF;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #E9ECEF;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    margin-bottom: 30px;
}

.main-image-box {
    border: 1px solid #EAE6DF;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    background: #FFFFFF;
}

.zoom-hint {
    margin-top: 10px;
    font-size: 12.5px;
    color: #718096;
    font-weight: 500;
}
.zoom-hint i {
    color: #8B1515;
    margin-right: 4px;
}

.product-summary-col {
    display: flex;
    flex-direction: column;
}

.single-prod-title {
    font-size: 24px;
    font-weight: 800;
    color: #2D3748;
    line-height: 1.35;
    margin: 0 0 12px;
}

.single-prod-meta {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 18px;
    font-size: 13px;
}

.status-badge.in-stock {
    color: #27AE60;
    font-weight: 700;
    background: #E8F8F0;
    padding: 4px 12px;
    border-radius: 20px;
}

.meta-sku {
    color: #A0AEC0;
}

.single-price-box {
    background: #FFF5EE;
    border-left: 4px solid #E67E22;
    padding: 16px 20px;
    border-radius: 4px;
    margin-bottom: 22px;
}
.price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.price-row .lbl {
    font-size: 14px;
    color: #555555;
    font-weight: 600;
}
.price-row .val-current {
    font-size: 28px;
    font-weight: 900;
    color: #D63031;
}
.price-row .currency {
    font-size: 20px;
}
.old-price-row {
    margin-top: 4px;
    font-size: 13px;
    color: #888888;
}
.old-price-row del {
    margin-left: 6px;
}

.specs-mini-table {
    border: 1px solid #E2E8F0;
    border-radius: 6px;
    padding: 14px 18px;
    margin-bottom: 24px;
    background: #FDFDFD;
    font-size: 13.5px;
}
.spec-row {
    display: flex;
    padding: 7px 0;
    border-bottom: 1px dashed #E2E8F0;
}
.spec-row:last-child {
    border-bottom: none;
}
.spec-row strong {
    width: 190px;
    color: #4A5568;
    flex-shrink: 0;
}
.spec-row span {
    color: #1A202C;
    font-weight: 600;
}

.single-action-buttons {
    margin-bottom: 24px;
}
.btn-single-buy {
    width: 100%;
    background: linear-gradient(135deg, #FF6A00 0%, #D63031 100%);
    color: #FFFFFF;
    border: none;
    padding: 14px;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    box-shadow: 0 4px 14px rgba(214, 48, 49, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 12px;
    display: block;
}
.btn-single-buy:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(214, 48, 49, 0.45);
}
.btn-top-txt {
    display: block;
    font-size: 17px;
    font-weight: 900;
    letter-spacing: 0.5px;
}
.btn-sub-txt {
    display: block;
    font-size: 12px;
    opacity: 0.92;
    margin-top: 3px;
}

.contact-sub-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.btn-single-zalo {
    background: #0088FF;
    color: #FFFFFF;
    text-align: center;
    padding: 11px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    transition: background 0.2s ease;
}
.btn-single-zalo:hover {
    background: #0070D2;
    color: #FFF;
}
.btn-single-call {
    background: #27AE60;
    color: #FFFFFF;
    text-align: center;
    padding: 11px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    transition: background 0.2s ease;
}
.btn-single-call:hover {
    background: #219653;
    color: #FFF;
}

.single-commitments {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
}
.commit-pill {
    font-size: 12.5px;
    color: #4A5568;
    background: #F7FAFC;
    border: 1px solid #EDF2F7;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
}
.commit-pill i {
    color: #27AE60;
    margin-right: 4px;
}

.product-description-tabs {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #E9ECEF;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.tab-title {
    font-size: 18px;
    font-weight: 800;
    color: #8B1515;
    border-bottom: 2px solid #8B1515;
    padding-bottom: 10px;
    margin: 0 0 20px;
}
.entry-content {
    font-size: 15px;
    line-height: 1.8;
    color: #333333;
}
.entry-content h3 {
    font-size: 18px;
    color: #8B1515;
    margin: 24px 0 10px;
}
.entry-content p {
    margin-bottom: 14px;
}

@media (max-width: 991px) {
    .single-product-layout {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 24px;
    }
}
@media (max-width: 576px) {
    .contact-sub-btns {
        grid-template-columns: 1fr;
    }
    .gallery-thumb-item {
        width: 56px;
        height: 56px;
    }
}

/* ==========================================================================
   LIGHTBOX SLIDESHOW MODAL (CHUẨN SHOWROOM ĐỒNG HỒ HẢI TRIỀU)
   ========================================================================== */
.tgpd-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.tgpd-lightbox.active {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(14, 14, 14, 0.94);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lightbox-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 2;
    overflow: hidden;
}

/* TOPBAR: BỘ ĐẾM & NÚT ĐÓNG */
.lightbox-topbar {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    color: #FFFFFF;
    flex-shrink: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
}

.lightbox-counter {
    font-size: 15px;
    font-weight: 700;
    color: #F0F0F0;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.12);
    padding: 4px 14px;
    border-radius: 20px;
}

.lightbox-title {
    font-size: 14.5px;
    font-weight: 600;
    color: #E2E8F0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
    text-align: center;
}

.lightbox-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lightbox-btn-close {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #FFFFFF;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.lightbox-btn-close:hover {
    background: #D63031;
    transform: rotate(90deg);
}

/* MAIN STAGE CHỨA ẢNH PHÓNG TO VÀ 2 NÚT PREV/NEXT */
.lightbox-stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding: 10px 24px;
    overflow: hidden;
}

.lightbox-nav-btn {
    background: rgba(255, 255, 255, 0.16);
    border: none;
    color: #FFFFFF;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    z-index: 5;
    flex-shrink: 0;
}

.lightbox-nav-btn:hover {
    background: #8B1515;
    color: #FFFFFF;
    transform: scale(1.12);
    box-shadow: 0 4px 16px rgba(139, 21, 21, 0.5);
}

.lightbox-media-wrap {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    user-select: none;
}

#lightboxImg {
    max-height: 75vh;
    max-width: 82vw;
    object-fit: contain;
    border-radius: 6px;
    background: #FFFFFF;
    padding: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.65);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.lightbox-video-wrap {
    width: 840px;
    max-width: 85vw;
    aspect-ratio: 16 / 9;
    max-height: 75vh;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.lightbox-video-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* DẢI THUMBNAILS DƯỚI ĐÁY LIGHTBOX (GIỐNG HẢI TRIỀU) */
.lightbox-bottom-strip {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px 20px;
    flex-shrink: 0;
    overflow-x: auto;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    scrollbar-width: thin;
}

.lightbox-thumb-item {
    width: 58px;
    height: 58px;
    border-radius: 6px;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    background: #FFFFFF;
    padding: 2px;
    cursor: pointer;
    opacity: 0.55;
    transition: all 0.2s ease;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-sizing: border-box;
}

.lightbox-thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.lightbox-thumb-item:hover {
    opacity: 0.85;
    border-color: #FFFFFF;
    transform: translateY(-2px);
}

.lightbox-thumb-item.active {
    opacity: 1;
    border: 2px solid #E67E22;
    transform: scale(1.08);
    box-shadow: 0 0 12px rgba(230, 126, 34, 0.6);
}

.lightbox-thumb-item.thumb-video {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #222;
    color: #FFF;
    font-size: 11px;
    font-weight: 700;
}
.lightbox-thumb-item.thumb-video svg {
    color: #E67E22;
    margin-bottom: 2px;
}

@media (max-width: 768px) {
    .lightbox-topbar {
        padding: 0 16px;
        height: 50px;
    }
    .lightbox-title {
        display: none;
    }
    .lightbox-stage {
        padding: 5px 8px;
    }
    .lightbox-nav-btn {
        width: 42px;
        height: 42px;
        font-size: 16px;
        background: rgba(0, 0, 0, 0.4);
    }
    #lightboxImg {
        max-height: 65vh;
        max-width: 94vw;
        padding: 6px;
    }
    .lightbox-bottom-strip {
        height: 75px;
        padding: 8px 12px 14px;
    }
    .lightbox-thumb-item {
        width: 48px;
        height: 48px;
    }
}