/**
 * NAACO Theme - Main Stylesheet
 * High performance, responsive, modern industrial styling
 */

:root {
    --primary: #004b93;
    --primary-dark: #072b4f;
    --primary-light: #0d6efd;
    --secondary: #17a2b8;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --success: #10b981;
    --dark: #0f172a;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.25s ease-in-out;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

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

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

.container {
    width: 100%;
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section-padding {
    padding-top: 65px;
    padding-bottom: 65px;
}

.bg-light {
    background-color: var(--light-bg);
}

.bg-dark {
    background-color: var(--primary-dark);
}

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

.text-center {
    text-align: center;
}

.font-bold {
    font-weight: 700;
}

/* Section Header Component */
.section-header {
    margin-bottom: 45px;
}
.section-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(0, 75, 147, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 12px;
}
.section-badge.badge-light {
    background: rgba(255, 255, 255, 0.15);
    color: #ffd166;
}
.section-title {
    font-size: 32px;
    margin-bottom: 12px;
}
.section-desc {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.2;
}
.btn-lg {
    padding: 14px 30px;
    font-size: 15px;
}
.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}
.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    border-color: var(--primary-dark);
}
.btn-warning {
    background-color: var(--accent);
    color: var(--white);
}
.btn-warning:hover {
    background-color: var(--accent-hover);
    color: var(--white);
}
.btn-outline-white {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
}
.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-dark);
}
.btn-outline-primary {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
}

/* ========================================================
   TOPBAR
   ======================================================== */
.site-topbar {
    background-color: #051e36;
    color: #cbd5e1;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.topbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 40px;
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.topbar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.topbar-item a {
    color: #e2e8f0;
}
.topbar-item a:hover {
    color: var(--accent);
}
.topbar-item .text-highlight {
    color: var(--accent);
    font-weight: 700;
}
.topbar-social {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-social a {
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
}
.topbar-social a:hover {
    color: var(--white);
}
.topbar-social .zalo-link {
    background: #0068ff;
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
}

/* ========================================================
   HEADER & NAVIGATION
   ======================================================== */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
    transition: var(--transition);
}
.site-header.is-sticky {
    box-shadow: var(--shadow-md);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 82px;
}
.site-branding .theme-logo,
.site-branding img {
    max-height: 58px;
    width: auto;
}
.site-title-text .logo-main {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}
.site-title-text .logo-sub {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-muted);
    display: block;
    margin-top: -5px;
}

/* Desktop Nav Menu */
.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 24px;
}
.main-navigation li {
    position: relative;
}
.main-navigation a {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-dark);
    padding: 30px 0;
    display: inline-block;
    text-transform: uppercase;
}
.main-navigation a:hover,
.main-navigation li.current-menu-item > a {
    color: var(--primary);
}

/* Multi-level Dropdown */
.main-navigation ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-top: 3px solid var(--primary);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 99;
}
.main-navigation li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.main-navigation ul ul a {
    padding: 12px 18px;
    display: block;
    font-size: 13px;
    font-weight: 600;
    text-transform: none;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}
.main-navigation ul ul a:hover {
    background: var(--light-bg);
    color: var(--primary);
    padding-left: 22px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}
.header-search-toggle {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-dark);
    cursor: pointer;
    padding: 8px;
}
.header-search-toggle:hover {
    color: var(--primary);
}
.btn-quote-header {
    border-radius: 50px;
    padding: 9px 20px;
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.mobile-menu-toggle .hamburger-bar {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    transition: var(--transition);
}

/* Header Search dropdown */
.header-search-box {
    display: none;
    background: var(--light-bg);
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
}
.header-search-box .search-form {
    display: flex;
    max-width: 650px;
    margin: 0 auto;
}
.header-search-box .search-field {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 15px;
}
.header-search-box .search-submit {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0 25px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
}

/* ========================================================
   BREADCRUMBS
   ======================================================== */
.naaco-breadcrumbs {
    background: #f1f5f9;
    padding: 12px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}
.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.breadcrumb-list a {
    color: var(--text-muted);
}
.breadcrumb-list a:hover {
    color: var(--primary);
}
.breadcrumb-list .separator {
    color: #94a3b8;
    font-size: 10px;
}
.breadcrumb-list .current {
    color: var(--primary-dark);
    font-weight: 600;
}

/* Page Header Banner */
.page-header-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 50px 0;
    text-align: center;
}
.page-header-badge {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.15);
    color: #ffd166;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.page-header-banner .page-title {
    color: var(--white);
    font-size: 34px;
    margin-bottom: 10px;
}
.page-header-banner .page-subtitle {
    color: #e2e8f0;
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================================
   HERO BANNER (FRONT PAGE)
   ======================================================== */
.hero-banner {
    background: linear-gradient(rgba(10, 37, 64, 0.42), rgba(10, 37, 64, 0.52)), #072b4f;
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 110px 0;
}
.hero-container {
    max-width: 900px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #ffd166;
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
}
.hero-title {
    color: var(--white);
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}
.hero-desc {
    font-size: 18px;
    line-height: 1.6;
    color: #f8fafc;
    margin-bottom: 35px;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

/* ========================================================
   4 HIGHLIGHT CARDS
   ======================================================== */
.home-cards-section {
    margin-top: -55px;
    position: relative;
    z-index: 10;
}
.home-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.feature-card {
    background: var(--white);
    padding: 30px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.feature-card .card-icon {
    width: 55px;
    height: 55px;
    background: rgba(0, 75, 147, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 18px;
}
.feature-card .card-title {
    font-size: 18px;
    margin-bottom: 10px;
}
.feature-card .card-desc {
    color: var(--text-muted);
    font-size: 13.5px;
    line-height: 1.55;
    margin-bottom: 16px;
}
.feature-card .card-link {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ========================================================
   ABOUT SECTION (HOMEPAGE)
   ======================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-image-wrapper {
    position: relative;
}
.video-responsive-wrap {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}
.video-responsive-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.video-rounded {
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.about-main-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
}
.placeholder-about-img {
    height: 420px;
    background: linear-gradient(135deg, #072b4f, #004b93);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    gap: 15px;
    font-weight: 700;
}
.placeholder-about-img i {
    font-size: 64px;
    opacity: 0.8;
}
.about-experience-badge {
    position: absolute;
    bottom: -25px;
    right: 25px;
    background: var(--accent);
    color: var(--white);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
    z-index: 5;
}
.about-experience-badge .exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 800;
    line-height: 1;
}
.about-experience-badge .exp-text {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}
.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 30px 0;
}
.stat-box {
    background: var(--light-bg);
    padding: 16px 12px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
}
.stat-box .stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}
.stat-box .stat-label {
    font-size: 12.5px;
    color: var(--text-muted);
}
.about-content-col .section-title {
    font-size: 26px;
    line-height: 1.35;
    margin-bottom: 16px;
}

/* ========================================================
   PRODUCT GRID & CARDS (WOOCOMMERCE)
   ======================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.product-thumb {
    position: relative;
    background: #f1f5f9;
    padding-top: 75%;
    overflow: hidden;
}
.product-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.product-card:hover .product-thumb img {
    transform: scale(1.05);
}
.product-badge,
.product-quality-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
}
.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.product-cats {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.product-title {
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.4;
}
.product-app-note {
    font-size: 12.5px;
    color: #475569;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-app-note i {
    color: var(--success);
}
.product-actions {
    margin-top: auto;
    display: flex;
    gap: 8px;
}
.btn-detail {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--primary);
    color: var(--primary);
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
}
.btn-detail:hover {
    background: var(--primary);
    color: var(--white);
}
.btn-quote-item {
    flex: 1;
    padding: 8px 10px;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}
.btn-quote-item:hover {
    background: var(--accent-hover);
}

/* ========================================================
   SOLUTIONS & PROJECTS GRIDS
   ======================================================== */
.solution-grid,
.solution-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.solution-card,
.solution-full-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}
.solution-card:hover,
.solution-full-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.solution-image,
.solution-full-card .card-thumb {
    position: relative;
    padding-top: 60%;
    background: #e2e8f0;
}
.solution-image img,
.solution-full-card .card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.solution-icon-badge,
.card-icon-badge {
    position: absolute;
    bottom: -18px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: var(--shadow-sm);
}
.solution-body,
.solution-full-card .card-content {
    padding: 24px;
}
.solution-title,
.solution-full-card .card-title {
    font-size: 18px;
    margin-bottom: 10px;
}
.solution-summary,
.solution-full-card .card-summary {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 15px;
}
.btn-readmore {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-benefits-list {
    list-style: none;
    margin: 15px 0;
    padding: 0;
}
.card-benefits-list li {
    font-size: 13.5px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-benefits-list i {
    color: var(--success);
}
.card-rec-products {
    background: var(--light-bg);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 18px;
}
.card-rec-products .rec-label {
    display: block;
    font-weight: 700;
    color: var(--primary-dark);
}

/* Projects Grid */
.project-grid,
.project-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.project-card,
.project-full-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}
.project-card:hover,
.project-full-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.project-thumb {
    position: relative;
    padding-top: 65%;
    background: #e2e8f0;
}
.project-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.project-location-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.85);
    color: var(--white);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
}
.project-info,
.project-full-card .card-body {
    padding: 20px;
}
.project-type-tag {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 6px;
}
.project-title {
    font-size: 17px;
    margin-bottom: 12px;
}
.project-meta-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 13px;
    color: var(--text-muted);
}
.project-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 13px;
    margin: 12px 0;
}
.project-material-box {
    background: #f1f5f9;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12.5px;
    margin-bottom: 15px;
}
.project-material-box .m-label {
    display: block;
    font-weight: 700;
    color: var(--primary);
}

/* ========================================================
   WHY CHOOSE FRP SECTION
   ======================================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 22px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}
.why-icon {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.why-title {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 12px;
}
.why-desc {
    color: #cbd5e1;
    font-size: 14px;
    line-height: 1.6;
}

/* ========================================================
   CTA BANNER SECTION
   ======================================================== */
.home-cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, #002b54 100%);
    color: var(--white);
    padding: 60px 0;
}
.cta-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}
.cta-text h2 {
    color: var(--white);
    font-size: 30px;
    margin-bottom: 10px;
}
.cta-text p {
    color: #e2e8f0;
    font-size: 16px;
    margin: 0;
}
.cta-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}
.cta-hotline-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    padding: 14px 22px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 16px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.cta-hotline-btn:hover {
    background: var(--white);
    color: var(--primary-dark);
}

/* ========================================================
   NEWS & BLOG SECTION
   ======================================================== */
.news-grid,
.archive-posts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.archive-posts-grid {
    grid-template-columns: repeat(2, 1fr);
}
.news-card,
.archive-post-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.news-card:hover,
.archive-post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.news-thumb,
.archive-thumb {
    position: relative;
    padding-top: 60%;
    background: #f1f5f9;
}
.news-thumb img,
.archive-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-date {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 4px 10px;
    border-radius: 4px;
    line-height: 1.1;
}
.news-date .day {
    display: block;
    font-size: 16px;
    font-weight: 800;
}
.news-date .month {
    font-size: 11px;
    text-transform: uppercase;
}
.news-body,
.archive-body {
    padding: 20px;
}
.news-cats,
.archive-cats {
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 6px;
}
.news-title,
.archive-title {
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.4;
}
.news-excerpt,
.archive-excerpt {
    color: var(--text-muted);
    font-size: 13.5px;
    margin-bottom: 12px;
}
.news-link {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
}

/* ========================================================
   SINGLE PRODUCT & SPECIAL TABS (HƯỚNG DẪN LẮP ĐẶT)
   ======================================================== */
.product-top-row {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 45px;
}
.product-title-single {
    font-size: 28px;
    margin-bottom: 12px;
}
.product-highlight-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0 20px;
}
.point-badge {
    background: rgba(0, 75, 147, 0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 50px;
}
.product-price-section {
    font-size: 22px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}
.b2b-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 25px 0 20px;
}
.btn-quote {
    background: var(--accent);
    color: var(--white);
    padding: 14px 25px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    flex: 2;
}
.btn-quote:hover {
    background: var(--accent-hover);
}
.btn-zalo {
    background: #0068ff;
    color: var(--white);
    padding: 14px 20px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-catalog {
    background: #dc2626;
    color: var(--white);
    padding: 14px 20px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.b2b-product-guarantee {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    background: var(--light-bg);
    padding: 15px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border-color);
}
.guarantee-item {
    font-size: 12.5px;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 8px;
}
.guarantee-item i {
    color: var(--success);
    font-size: 16px;
}

/* WOOCOMMERCE TABS STYLING */
.woocommerce-tabs ul.tabs {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 2px solid var(--primary);
    gap: 4px;
}
.woocommerce-tabs ul.tabs li {
    margin: 0;
}
.woocommerce-tabs ul.tabs li a {
    display: block;
    padding: 14px 24px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    background: #f1f5f9;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.woocommerce-tabs ul.tabs li.active a {
    background: var(--primary);
    color: var(--white);
}
.woocommerce-Tabs-panel {
    background: var(--white);
    padding: 35px;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Tab Hướng Dẫn Lắp Đặt Content */
.naaco-tab-installation-content .tab-heading {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}
.naaco-tab-installation-content h3 {
    font-size: 18px;
    color: var(--primary);
    margin-top: 25px;
    margin-bottom: 10px;
}
.naaco-tab-installation-content ul {
    margin-left: 20px;
    margin-bottom: 20px;
}
.naaco-tab-installation-content li {
    margin-bottom: 8px;
}
.naaco-guide-callout {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    padding: 20px;
    border-radius: var(--radius-md);
    margin-top: 30px;
}
.naaco-guide-callout .guide-callout-icon {
    font-size: 36px;
    color: var(--success);
}
.naaco-guide-callout .hotline-link {
    font-weight: 800;
    color: #dc2626;
    font-size: 17px;
}

/* Tab Catalogue Download */
.naaco-doc-download-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-top: 20px;
}
.naaco-doc-download-card .doc-icon {
    font-size: 40px;
    color: #dc2626;
    margin-right: 20px;
}
.naaco-doc-download-card .doc-info {
    flex: 1;
}
.btn-download-pdf {
    background: #dc2626;
    color: #fff;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-download-pdf:hover {
    background: #b91c1c;
    color: #fff;
}

/* ========================================================
   SINGLE POST / SOLUTION / PROJECT LAYOUTS
   ======================================================== */
.post-layout-grid,
.project-layout-grid,
.shop-layout-grid {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 45px;
}
.shop-layout-grid {
    grid-template-columns: 3fr 9fr;
}
.entry-content {
    font-size: 16px;
    line-height: 1.8;
    color: #334155;
}
.entry-content p {
    margin-bottom: 20px;
}
.entry-content h2, .entry-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}
.post-featured-image,
.solution-featured-image,
.project-featured-image {
    margin-bottom: 30px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* Project Specs Card */
.project-specs-card {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-bottom: 30px;
}
.specs-title {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.spec-row.full-width {
    grid-column: 1 / -1;
}
.spec-row .s-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
}
.spec-row .s-value {
    font-size: 15px;
    color: var(--text-dark);
}

/* Project Gallery Grid */
.project-gallery-section {
    margin: 40px 0;
}
.gallery-title {
    font-size: 20px;
    margin-bottom: 20px;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}
.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.gallery-item:hover img {
    transform: scale(1.03);
}

/* Project / Solution CTA Banner */
.project-cta-banner,
.solution-consult-card {
    background: linear-gradient(135deg, #072b4f, #004b93);
    color: var(--white);
    padding: 35px;
    border-radius: var(--radius-md);
    margin-top: 40px;
}
.project-cta-banner h3,
.solution-consult-card h3 {
    color: var(--white);
    font-size: 22px;
}
.project-cta-banner p,
.solution-consult-card p {
    color: #cbd5e1;
}

/* Sidebar Widgets */
.sidebar-widget {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 25px;
}
.widget-title {
    font-size: 17px;
    color: var(--primary-dark);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}
.widget-hotline-card {
    background: linear-gradient(135deg, #072b4f, #004b93);
    color: var(--white);
    border: none;
}
.widget-hotline-card .widget-title {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
}
.widget-hotline-card p {
    color: #e2e8f0;
    font-size: 13.5px;
    margin-bottom: 15px;
}
.sidebar-hotline-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    padding: 12px;
    font-weight: 700;
    font-size: 16px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.sidebar-zalo-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #0068ff;
    color: var(--white);
    padding: 10px;
    font-weight: 700;
    font-size: 14px;
    border-radius: 4px;
}
.cat-list,
.product-category-tree {
    list-style: none;
    margin: 0;
    padding: 0;
}
.cat-list li,
.product-category-tree li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}
.cat-list a,
.product-category-tree a {
    color: var(--text-dark);
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}
.cat-list a:hover,
.product-category-tree a:hover {
    color: var(--primary);
}
.product-category-tree .sub-cat-list {
    list-style: none;
    margin: 6px 0 0 15px;
    padding: 0;
}
.product-category-tree .sub-cat-list li {
    border: none;
    padding: 4px 0;
}
.product-category-tree .sub-cat-list a {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========================================================
   MODAL POPUP & FLOATING ACTIONS
   ======================================================== */
.naaco-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}
.naaco-modal.is-open {
    display: flex;
}
.naaco-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
}
.naaco-modal-dialog {
    position: relative;
    z-index: 10;
    background: var(--white);
    width: 100%;
    max-width: 620px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalFadeIn 0.3s ease;
}
@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.naaco-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    line-height: 1;
}
.naaco-modal-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    padding: 25px 30px;
}
.naaco-modal-header h3 {
    color: var(--white);
    font-size: 20px;
    margin-bottom: 5px;
}
.naaco-modal-header p {
    color: #cbd5e1;
    font-size: 13.5px;
    margin: 0;
}
.naaco-modal-body {
    padding: 30px;
}
.naaco-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
.naaco-form .form-group {
    margin-bottom: 15px;
}
.naaco-form label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}
.naaco-form input[type="text"],
.naaco-form input[type="tel"],
.naaco-form input[type="email"],
.naaco-form textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}
.naaco-form input:focus,
.naaco-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 75, 147, 0.15);
}
.btn-submit-quote {
    width: 100%;
    padding: 14px;
    font-size: 15px;
}
.modal-direct-contact {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}
.modal-hotline {
    font-weight: 800;
    color: #dc2626;
    font-size: 15px;
}
.modal-zalo {
    color: #0068ff;
    font-weight: 700;
}
.form-alert {
    padding: 10px 15px;
    border-radius: 4px;
    font-size: 13.5px;
    margin-top: 15px;
}
.form-alert.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}
.form-alert.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Floating Actions */
.naaco-floating-actions {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}
.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
}
.float-zalo {
    background: #0068ff;
    color: #fff;
    font-weight: 800;
    font-size: 13px;
}
.float-phone {
    background: #dc2626;
    color: #fff;
    font-size: 20px;
    animation: phonePulse 1.5s infinite;
}
@keyframes phonePulse {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}
.float-top {
    background: var(--primary-dark);
    color: #fff;
    font-size: 16px;
    display: none;
}
.float-tooltip {
    position: absolute;
    right: 65px;
    background: var(--dark);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.float-btn:hover .float-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ========================================================
   FOOTER STYLING
   ======================================================== */
.site-footer {
    background-color: #071f38;
    color: #cbd5e1;
    font-size: 14px;
}
.footer-main {
    padding: 70px 0 50px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 5fr 4.5fr 3fr;
    gap: 50px;
}
.footer-title {
    color: var(--white);
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}
.footer-logo img {
    max-height: 55px;
    margin-bottom: 15px;
}
.footer-company-name {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 12px;
}
.footer-slogan {
    color: #94a3b8;
    line-height: 1.5;
    margin-bottom: 15px;
}
.footer-contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-contact-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    line-height: 1.5;
}
.footer-contact-list i {
    color: var(--accent);
    margin-top: 4px;
}
.footer-contact-list a {
    color: #cbd5e1;
}
.footer-contact-list a:hover {
    color: var(--white);
}
.footer-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links-list li {
    margin-bottom: 10px;
}
.footer-links-list a {
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links-list a:hover {
    color: var(--accent);
    padding-left: 5px;
}
.footer-quote-box {
    background: rgba(255, 255, 255, 0.06);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}
.btn-quote-footer {
    width: 100%;
    background: var(--accent);
    color: #fff;
    padding: 12px;
    font-weight: 700;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    margin-top: 12px;
}
.btn-quote-footer:hover {
    background: var(--accent-hover);
}
.footer-cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.cert-item {
    background: rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}
.footer-social-links {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}
.footer-social-links a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.footer-social-links a:hover {
    background: var(--primary);
}
.footer-bottom {
    background: #041426;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 13px;
    color: #94a3b8;
}
.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-extra-links a {
    color: #94a3b8;
}
.footer-extra-links a:hover {
    color: var(--white);
}
.footer-extra-links .sep {
    margin: 0 10px;
}

/* ========================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ======================================================== */
@media (max-width: 1024px) {
    .main-navigation {
        display: none;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .home-cards-grid,
    .why-grid,
    .product-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .post-layout-grid,
    .project-layout-grid,
    .shop-layout-grid,
    .about-grid,
    .product-top-row {
        grid-template-columns: 1fr;
    }
    .hide-tablet {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .topbar-container {
        height: auto;
        padding: 8px 15px;
    }
    .hide-mobile {
        display: none !important;
    }
    .hero-title {
        font-size: 30px;
    }
    .hero-desc {
        font-size: 15px;
    }
    .section-title {
        font-size: 26px;
    }
    /* Mobile Header & Quote Button */
    .header-actions {
        gap: 8px;
    }
    .header-search-toggle {
        padding: 5px;
        font-size: 16px;
    }
    .btn-quote-header {
        padding: 6px 12px;
        font-size: 12px;
        white-space: nowrap;
        flex-shrink: 0;
        letter-spacing: 0;
    }
    .btn-quote-header i {
        display: none;
    }

    /* 1 Column Grids on Mobile */
    .home-cards-grid,
    .why-grid,
    .solution-grid,
    .solution-archive-grid,
    .project-grid,
    .project-archive-grid,
    .footer-grid,
    .naaco-form .form-row,
    .about-stats-grid,
    .specs-grid,
    .b2b-product-guarantee {
        grid-template-columns: 1fr;
    }

    /* 2 Columns Product Grid on Mobile */
    .product-grid,
    .product-archive-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    .product-card,
    .product-archive-card {
        border-radius: 6px;
    }
    .product-card .product-info,
    .product-archive-card .product-details {
        padding: 10px !important;
    }
    .product-card .product-cats,
    .product-archive-card .product-category-name {
        font-size: 11px !important;
        margin-bottom: 3px !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .product-card .product-title,
    .product-archive-card .product-title {
        font-size: 12.5px !important;
        line-height: 1.35 !important;
        margin-bottom: 8px !important;
        height: 34px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .product-card .product-app-note,
    .product-archive-card .product-note {
        display: none !important;
    }
    .product-card .product-price-box,
    .product-archive-card .product-price-box {
        font-size: 11.5px !important;
        margin-bottom: 8px !important;
    }
    .product-card .product-actions,
    .product-archive-card .product-card-actions {
        display: flex !important;
        gap: 5px !important;
    }
    .product-card .product-actions .btn-detail,
    .product-archive-card .product-card-actions .btn {
        padding: 5px 4px !important;
        font-size: 10.5px !important;
        font-weight: 700 !important;
        white-space: nowrap !important;
        text-align: center;
        flex: 1;
    }
    .product-card .product-actions .btn-quote-item,
    .product-archive-card .product-card-actions button {
        padding: 5px 4px !important;
        font-size: 10.5px !important;
        font-weight: 700 !important;
        white-space: nowrap !important;
        text-align: center;
        flex: 1;
    }
    .product-card .product-actions .btn-quote-item i,
    .product-archive-card .product-card-actions button i {
        display: none !important;
    }
    .product-badge,
    .product-quality-badge {
        font-size: 9px !important;
        padding: 2px 6px !important;
        top: 6px !important;
        left: 6px !important;
    }

    /* 2 Columns News Grid on Mobile */
    .news-grid,
    .archive-posts-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    .news-card .news-body,
    .archive-post-card .archive-body {
        padding: 10px !important;
    }
    .news-card .news-cats,
    .archive-post-card .archive-cats {
        font-size: 10.5px !important;
        margin-bottom: 3px !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-card .news-title,
    .archive-post-card .archive-title {
        font-size: 12.5px !important;
        line-height: 1.35 !important;
        margin-bottom: 6px !important;
        height: 34px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card .news-excerpt,
    .archive-post-card .archive-excerpt {
        display: none !important;
    }
    .news-card .news-link,
    .archive-post-card .btn-readmore {
        font-size: 11px !important;
        font-weight: 700 !important;
    }
    .news-card .news-date {
        padding: 2px 6px !important;
        bottom: 6px !important;
        left: 6px !important;
    }
    .news-card .news-date .day {
        font-size: 12px !important;
    }
    .news-card .news-date .month {
        font-size: 9px !important;
    }

    .cta-container {
        flex-direction: column;
        text-align: center;
    }
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    .cta-actions .btn,
    .cta-actions .cta-hotline-btn {
        width: 100%;
        justify-content: center;
    }
    .footer-bottom-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Mobile Off-canvas Drawer */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
    display: none;
}
.mobile-drawer-overlay.is-active {
    display: block;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100%;
    background: #fff;
    z-index: 9999;
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.mobile-drawer.is-active {
    transform: translateX(320px);
}
.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}
.drawer-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
}
.drawer-search {
    padding: 15px 20px 10px;
}
.drawer-search-form {
    display: flex;
    align-items: center;
    position: relative;
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}
.drawer-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text-dark);
    outline: none;
    width: 100%;
}
.drawer-search-input::placeholder {
    color: #94a3b8;
    font-size: 12.5px;
}
.drawer-search-btn {
    border: none;
    background: transparent;
    color: var(--primary-color);
    padding: 0 14px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}
.drawer-search-btn:hover {
    color: var(--accent-color);
}
.drawer-menu-wrap {
    padding: 15px 20px;
    flex: 1;
}
.drawer-menu-wrap ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.drawer-menu-wrap li {
    border-bottom: 1px solid var(--border-color);
}
.drawer-menu-wrap a {
    display: block;
    padding: 12px 0;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-dark);
}
.drawer-contact {
    padding: 20px;
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

@media (max-width: 480px) {
    .btn-quote-header {
        padding: 5px 8px !important;
        font-size: 11px !important;
        white-space: nowrap !important;
        flex-shrink: 0 !important;
    }
    .header-actions {
        gap: 6px !important;
    }
    .mobile-menu-toggle {
        padding: 6px 4px !important;
    }
    .product-grid,
    .product-archive-grid,
    .news-grid,
    .archive-posts-grid {
        gap: 8px !important;
    }
    .product-card .product-actions .btn-detail,
    .product-card .product-actions .btn-quote-item,
    .product-archive-card .product-card-actions .btn,
    .product-archive-card .product-card-actions button {
        padding: 4px 2px !important;
        font-size: 9.5px !important;
    }
}