/*
Theme Name: Minh Hoàng Window - Premium Theme
Theme URI: https://web3s.com.vn
Author: web3s
Author URI: https://web3s.com.vn
Description: Theme WordPress thiết kế sang trọng, tối ưu chuẩn SEO & Schema dành cho Công ty TNHH Sản xuất và Thương mại Minh Hoàng Window. Được phát triển chuyên nghiệp bởi web3s.com.vn. Tải dữ liệu động 100% từ Database, hỗ trợ hoạt họa cuộn hai chiều cực mượt, bộ chọn ảnh trực quan Media Library, trang tuyển dụng, dịch vụ, hồ sơ năng lực, thư viện ảnh lightbox và video popup Youtube.
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: minhhoangwindow
Tags: custom-menu, featured-images, flexible-header, translation-ready, woocommerce, web3s
*/

/* ==========================================================================
   1. DESIGN SYSTEM & ROOT VARIABLES (Bảng màu hành Thổ tương sinh - web3s)
   ========================================================================== */
:root {
    --color-primary: #C5A059;       /* Vàng ánh kim cao cấp - Đại diện kim khí, tài lộc */
    --color-primary-hover: #b48e46; /* Vàng đậm khi hover */
    --color-dark: #4A3F35;          /* Nâu đất đậm (Thổ) - Vững chãi, uy tín, tin cậy */
    --color-dark-hover: #3a3128;    /* Nâu đất sẫm màu */
    --color-light-bg: #F5F2ED;      /* Nâu nhạt/Kem sữa - Ấm áp, hài hoà, thanh nhã */
    --color-body-bg: #FCFAF7;       /* Trắng kem nền - Sạch sẽ, dịu mắt, cực kỳ sang trọng */
    --color-text-main: #2D2D2D;     /* Xám than đậm - Đọc chữ rõ ràng */
    --color-text-muted: #666666;    /* Xám nhạt - Thích hợp cho mô tả nhỏ, phụ lục */
    --color-white: #FFFFFF;
    --color-red: #D9534F;           /* Đỏ điểm xuyết cho các banner khẩn cấp, giảm giá */
    --color-green-zalo: #0068FF;    /* Xanh biểu tượng Zalo */
    --color-blue-telegram: #229ED9; /* Xanh biểu tượng Telegram */
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', Helvetica, Arial, sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(74, 63, 53, 0.08);
    --shadow-lg: 0 16px 36px rgba(74, 63, 53, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. CSS RESET & GLOBAL STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-body-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; position: relative; padding-bottom: 12px; margin-bottom: 2rem; }
h2.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
}
h2.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1.2rem;
    color: var(--color-text-muted);
}

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

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

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

ul, ol {
    list-style: none;
}

/* Base grid container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   3. SCROLL REVEAL ANIMATIONS (Hiệu ứng cuộn 2 chiều lên xuống - web3s)
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transition: opacity 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: opacity, transform;
}

.reveal-fade-up {
    transform: translateY(70px);
}

.reveal-fade-down {
    transform: translateY(-70px);
}

.reveal-slide-left {
    transform: translateX(-80px) scale(0.95);
}

.reveal-slide-right {
    transform: translateX(80px) scale(0.95);
}

.reveal-zoom-in {
    transform: scale(0.82) rotate(-1.5deg);
}

/* Active state triggered by Javascript on viewport enter/re-enter */
.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0) scale(1) rotate(0deg);
}

/* Staggered Delay Utilities */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }
.delay-700 { transition-delay: 700ms; }
.delay-800 { transition-delay: 800ms; }


/* ==========================================================================
   4. BUTTONS & UI COMPONENTS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(197, 160, 89, 0.3);
}

.btn-dark {
    background-color: var(--color-dark);
    color: var(--color-white) !important;
}

.btn-dark:hover {
    background-color: var(--color-dark-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(74, 63, 53, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.8rem;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background-color: var(--color-light-bg);
    color: var(--color-primary);
    border-radius: 50px;
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

/* ==========================================================================
   5. HEADER SECTION (Sticky Header, Luxury Menu, Responsive)
   ========================================================================== */
.top-bar {
    background-color: var(--color-dark);
    color: var(--color-light-bg);
    padding: 8px 0;
    font-size: 0.85rem;
    font-weight: 500;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-info {
    display: flex;
    gap: 20px;
}

.top-bar-info span, .top-bar-info a {
    color: var(--color-light-bg);
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-socials {
    display: flex;
    gap: 15px;
}

.top-bar-socials a {
    color: var(--color-light-bg);
}

.top-bar-socials a:hover {
    color: var(--color-primary);
}

.main-header {
    background-color: rgba(252, 250, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(197, 160, 89, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition-fast);
}

.main-header.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-md);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    max-height: 55px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-menu a:hover, .nav-menu .current-menu-item > a {
    color: var(--color-primary);
}

.nav-menu a:hover::after, .nav-menu .current-menu-item > a::after {
    width: 100%;
}

/* Dropdown Menu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    border-top: 3px solid var(--color-primary);
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition-smooth);
    padding: 10px 0;
    z-index: 99;
}

.nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li {
    width: 100%;
}

.nav-menu .sub-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

.nav-menu .sub-menu a::after {
    display: none;
}

.nav-menu .sub-menu a:hover {
    background-color: var(--color-light-bg);
    color: var(--color-primary);
    padding-left: 25px;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-dark);
    transition: var(--transition-fast);
    border-radius: 5px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   6. HERO BANNER & FRONT PAGE SECTIONS (Theo thiết kế Readdy)
   ========================================================================== */
.hero-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 160px 0;
    color: var(--color-white);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 63, 53, 0.85) 0%, rgba(20, 16, 12, 0.6) 100%);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 680px;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-title span {
    color: var(--color-primary);
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Services section */
.section-padding {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-subtitle {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    display: block;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border-bottom: 3px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.service-card p {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Emergency contact banner */
.action-banner {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.action-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 35%;
    height: 100%;
    background-color: rgba(197, 160, 89, 0.08);
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
}

.action-banner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.action-banner-text {
    max-width: 750px;
}

.action-banner-text h2 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.action-banner-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-size: 1.1rem;
}

.action-banner-btn {
    flex-shrink: 0;
}

/* About Section */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-img-container {
    position: relative;
}

.about-img-main {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 180px;
}

.about-experience-num {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 4px;
}

.about-experience-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0 35px 0;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark);
}

.about-feature-item i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* Statistics Counter */
.counter-section {
    background-color: var(--color-dark);
    padding: 60px 0;
    color: var(--color-white);
}

.counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.counter-item {
    padding: 15px;
}

.counter-num {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: 5px;
}

.counter-text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.80);
}

/* Testimonials / Feedback */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    border-top: 4px solid var(--color-primary);
}

.testimonial-stars {
    color: #FFD700;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.testimonial-text {
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-name h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

.testimonial-name span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   7. PROJECTS & CUSTOM POSTS ("Dữ liệu nhà", Dịch vụ, Tuyển dụng)
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-img-wrapper img {
    transform: scale(1.08);
}

.project-category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(74, 63, 53, 0.9);
    backdrop-filter: blur(5px);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 1px;
}

.project-card-body {
    padding: 25px;
}

.project-card-body h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.project-card-body h3 a {
    color: var(--color-dark);
}

.project-card-body h3 a:hover {
    color: var(--color-primary);
}

.project-meta-list {
    margin-bottom: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 15px;
}

.project-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
    margin-bottom: 8px;
}

.project-meta-label {
    color: var(--color-text-muted);
    font-weight: 500;
}

.project-meta-val {
    color: var(--color-dark);
    font-weight: 600;
}

/* Detail page for House data project */
.project-details-wrap {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.project-gallery img {
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.project-technical-spec {
    background-color: var(--color-light-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border-top: 5px solid var(--color-primary);
    position: sticky;
    top: 100px;
}

.project-technical-spec h3 {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
    padding-bottom: 10px;
}

.spec-table {
    width: 100%;
}

.spec-table tr {
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table td {
    padding: 12px 0;
    font-size: 0.92rem;
}

.spec-table td.spec-label {
    font-weight: 500;
    color: var(--color-text-muted);
}

.spec-table td.spec-value {
    font-weight: 600;
    color: var(--color-dark);
    text-align: right;
}

/* ==========================================================================
   8. NEW TEMPLATE SPECIFICS: PHOTO & VIDEO GALLERIES & PORTFOLIO
   ========================================================================== */
/* Image Gallery Template */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 220px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(74, 63, 53, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--color-white);
    font-size: 2rem;
}

/* Lightbox popup styling - web3s */
.mh-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(20, 16, 12, 0.95);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(8px);
}

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

.mh-lightbox-content {
    max-width: 90%;
    max-height: 80%;
    position: relative;
}

.mh-lightbox-content img, .mh-lightbox-content iframe {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    display: block;
}

.mh-lightbox-close {
    position: absolute;
    top: -45px;
    right: 0;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    transition: var(--transition-fast);
}

.mh-lightbox-close:hover {
    color: var(--color-primary);
}

/* Video Gallery (Youtube thumbnail Modal) */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.video-item-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.video-item-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.video-thumb-wrap {
    position: relative;
    height: 200px;
    cursor: pointer;
    overflow: hidden;
}

.video-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.video-item-card:hover .video-thumb-wrap img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(197, 160, 89, 0.4);
}

.video-item-card:hover .video-play-btn {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info-wrap {
    padding: 20px;
}

.video-info-wrap h3 {
    font-size: 1.15rem;
    margin-bottom: 5px;
    color: var(--color-dark);
}

/* Portfolio Profile specific (Hồ sơ năng lực) */
.portfolio-intro {
    border-left: 5px solid var(--color-primary);
    padding-left: 25px;
    margin-bottom: 40px;
}

.portfolio-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 3px solid var(--color-primary);
    height: 100%;
}

.portfolio-timeline {
    position: relative;
    padding-left: 30px;
}

.portfolio-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    width: 2px;
    height: 100%;
    background-color: var(--color-light-bg);
}

.portfolio-timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.portfolio-timeline-item::before {
    content: '';
    position: absolute;
    top: 5px;
    left: -26px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 3px solid var(--color-white);
}

/* ==========================================================================
   9. WOOCOMMERCE PREMIUM STYLING OVERRIDES (Luxury Carts & Checkouts - web3s)
   ========================================================================== */
.woocommerce-page .main-content-wrap {
    padding: 60px 0;
}

/* Products loop grid */
ul.products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

ul.products li.product {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
    padding: 15px;
    border: 1px solid rgba(197, 160, 89, 0.1);
    position: relative;
    list-style: none !important;
    display: flex;
    flex-direction: column;
}

ul.products li.product:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

ul.products li.product img {
    border-radius: 4px;
    margin-bottom: 15px;
    width: 100%;
    height: 200px;
    object-fit: cover;
}

ul.products li.product .woocommerce-loop-product__title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--color-dark);
    line-height: 1.4;
    height: 48px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

ul.products li.product .price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary) !important;
    margin-bottom: 15px;
    display: block;
}

ul.products li.product .price del {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-right: 8px;
}

ul.products li.product .price ins {
    text-decoration: none;
    background: transparent;
}

ul.products li.product .button {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 10px 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    margin-top: auto;
}

ul.products li.product .button:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.woocommerce-onsale {
    background-color: var(--color-red) !important;
    color: var(--color-white) !important;
    font-size: 0.75rem !important;
    text-transform: uppercase;
    font-weight: 600;
    padding: 4px 10px !important;
    border-radius: 4px !important;
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
    min-height: auto !important;
    line-height: 1.2 !important;
}

/* Single product styling */
.product-single-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.product-single-details h1 {
    font-size: 2.2rem;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.product-single-details .price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    display: block;
}

.product-single-details .woocommerce-product-details__short-description {
    margin-bottom: 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 20px 0;
}

.product-single-details form.cart {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 2rem;
}

.product-single-details form.cart .quantity input {
    width: 60px;
    height: 45px;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 4px;
    text-align: center;
    font-size: 1rem;
}

.product-single-details form.cart button.single_add_to_cart_button {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.product-single-details form.cart button.single_add_to_cart_button:hover {
    background-color: var(--color-primary-hover);
}

.woocommerce-tabs {
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 40px;
    margin-bottom: 60px;
}

.woocommerce-tabs ul.tabs {
    display: flex;
    gap: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    margin-bottom: 25px;
    padding-bottom: 10px;
}

.woocommerce-tabs ul.tabs li {
    list-style: none;
}

.woocommerce-tabs ul.tabs li a {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 1rem;
    padding: 10px 0;
    position: relative;
    display: block;
}

.woocommerce-tabs ul.tabs li.active a {
    color: var(--color-primary);
}

.woocommerce-tabs ul.tabs li.active a::after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
}

/* Cart Table Overrides - web3s */
.shop_table.cart {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.shop_table.cart th {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 15px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.shop_table.cart td {
    padding: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    background-color: var(--color-white);
}

.shop_table.cart .product-thumbnail img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
}

.shop_table.cart .product-name a {
    font-weight: 600;
    color: var(--color-dark);
}

.shop_table.cart .product-price, .shop_table.cart .product-subtotal {
    font-weight: 700;
    color: var(--color-primary);
}

.shop_table.cart .actions {
    background-color: var(--color-light-bg) !important;
}

.shop_table.cart .actions .coupon input {
    padding: 10px 15px;
    border: 1px solid #C5A059;
    border-radius: 4px;
    outline: none;
    margin-right: 10px;
}

.shop_table.cart .actions .button {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 11px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.shop_table.cart .actions .button:hover {
    background-color: var(--color-primary);
}

/* Cart totals block */
.cart-collaterals {
    display: flex;
    justify-content: flex-end;
    margin-top: 30px;
}

.cart_totals {
    width: 450px;
    background-color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--color-primary);
}

.cart_totals h2 {
    font-size: 1.4rem;
    color: var(--color-dark);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.cart_totals table {
    width: 100%;
    margin-bottom: 20px;
}

.cart_totals table th, .cart_totals table td {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.95rem;
}

.cart_totals table th {
    font-weight: 500;
    color: var(--color-text-muted);
}

.cart_totals table td {
    font-weight: 700;
    text-align: right;
    color: var(--color-dark);
}

.cart_totals .order-total td {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.wc-proceed-to-checkout .checkout-button {
    background-color: var(--color-primary) !important;
    color: var(--color-white) !important;
    display: block;
    width: 100%;
    padding: 15px !important;
    text-align: center;
    border-radius: 4px;
    font-weight: 700 !important;
    text-transform: uppercase;
    font-size: 0.9rem !important;
    transition: var(--transition-fast);
}

.wc-proceed-to-checkout .checkout-button:hover {
    background-color: var(--color-primary-hover) !important;
}

/* Checkout Page Columns Overrides */
.col2-set {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.woocommerce-billing-fields h3, .woocommerce-shipping-fields h3, #order_review_heading {
    font-size: 1.4rem;
    color: var(--color-dark);
    border-bottom: 2px solid var(--color-light-bg);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.form-row {
    margin-bottom: 15px !important;
    display: flex;
    flex-direction: column;
}

.form-row label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 5px;
    color: var(--color-dark);
}

.form-row input.input-text, .form-row select, .form-row textarea {
    padding: 12px;
    border: 1px solid rgba(197, 160, 89, 0.3);
    border-radius: 4px;
    outline: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 100%;
}

.form-row input.input-text:focus, .form-row textarea:focus {
    border-color: var(--color-primary);
}

#order_review {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--color-primary);
}

.woocommerce-checkout-review-order-table th, .woocommerce-checkout-review-order-table td {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.woocommerce-checkout-review-order-table td {
    text-align: right;
    font-weight: 600;
}

.woocommerce-checkout-review-order-table .product-total, .woocommerce-checkout-review-order-table .order-total td {
    color: var(--color-primary);
    font-weight: 700;
}

#payment {
    background-color: var(--color-light-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 20px;
}

#payment ul.payment_methods {
    padding-left: 0;
    margin-bottom: 20px;
}

#payment ul.payment_methods li {
    list-style: none;
    font-weight: 600;
    margin-bottom: 10px;
}

#payment div.payment_box {
    background-color: var(--color-white);
    padding: 15px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: 10px;
    border: 1px solid rgba(0,0,0,0.05);
}

#place_order {
    background-color: var(--color-primary) !important;
    color: var(--color-white) !important;
    padding: 15px 30px !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    width: 100%;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

#place_order:hover {
    background-color: var(--color-primary-hover) !important;
}

/* ==========================================================================
   10. FOOTER & FLOATING MULTICHANNEL QUICK-CONTACT SUITE
   ========================================================================== */
.main-footer {
    background-color: #2F2720; /* Tông màu đất sẫm (Thổ cát khí) */
    color: rgba(255, 255, 255, 0.75);
    padding: 80px 0 20px 0;
    border-top: 4px solid var(--color-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-widget h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 1.8rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-widget p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-contact-list li {
    margin-bottom: 12px;
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.footer-contact-list i {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-top: 3px;
}

.footer-contact-list a {
    color: rgba(255, 255, 255, 0.75);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid rgba(197, 160, 89, 0.3);
    height: 180px;
}

.footer-map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 25px;
    font-size: 0.85rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* FLOATING QUICK CONTACT PANEL */
.quick-contact-panel {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quick-contact-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.25);
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.quick-contact-btn span.btn-label {
    position: absolute;
    right: 70px;
    background-color: var(--color-dark);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 15px;
    border-radius: 50px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.quick-contact-btn:hover span.btn-label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Specific floating buttons styling & shaking animations */
.qc-hotline {
    background-color: var(--color-red);
    animation: qc-pulse-red 2s infinite;
}

.qc-zalo {
    background-color: var(--color-green-zalo);
    animation: qc-pulse-blue-zalo 2.2s infinite;
}

.qc-telegram {
    background-color: var(--color-blue-telegram);
    animation: qc-pulse-blue-tel 2.4s infinite;
}

.qc-maps {
    background-color: #4CAF50;
}

.qc-contact {
    background-color: var(--color-primary);
}

/* Animation Ring Pulses */
@keyframes qc-pulse-red {
    0% {
        box-shadow: 0 0 0 0 rgba(217, 83, 79, 0.7), 0 4px 15px rgba(0,0,0,0.25);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(217, 83, 79, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(217, 83, 79, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
}

@keyframes qc-pulse-blue-zalo {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.7), 0 4px 15px rgba(0,0,0,0.25);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 104, 255, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
}

@keyframes qc-pulse-blue-tel {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 158, 217, 0.7), 0 4px 15px rgba(0,0,0,0.25);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(34, 158, 217, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(34, 158, 217, 0), 0 4px 15px rgba(0,0,0,0.25);
    }
}

/* MOBILE QUICK-ACTION FOOTER BAR (Dành riêng cho giao diện điện thoại) */
.mobile-action-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    box-sizing: border-box;
    background-color: var(--color-white);
    box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
    z-index: 9998;
    grid-template-columns: repeat(5, 1fr);
    height: 60px;
    border-top: 2px solid var(--color-primary);
}

.mobile-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 4px;
    box-sizing: border-box;
}

.mobile-action-item i {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.mobile-action-item.active-call {
    background-color: var(--color-red);
    color: var(--color-white);
}

.mobile-action-item.active-zalo {
    background-color: var(--color-green-zalo);
    color: var(--color-white);
}

.mobile-action-item.active-telegram {
    background-color: var(--color-blue-telegram);
    color: var(--color-white);
}

/* ==========================================================================
   11. MISC TEMPLATE STYLES (Single block, page content, 404, responsive)
   ========================================================================== */
.main-content-wrap {
    padding: 60px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.post-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.post-thumbnail {
    height: 200px;
    overflow: hidden;
}

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

.post-card-body {
    padding: 25px;
}

.post-date {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

.post-card-body h3 {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 0.8rem;
}

.post-card-body h3 a {
    color: var(--color-dark);
}

.post-card-body h3 a:hover {
    color: var(--color-primary);
}

/* Elegant 404 page */
.error-404-container {
    text-align: center;
    padding: 100px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.error-title {
    font-size: 8rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 1rem;
}

.error-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

/* Sidebar Styling */
.sidebar {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.widget {
    margin-bottom: 40px;
}

.widget-title {
    font-size: 1.15rem;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.widget ul li {
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    padding-bottom: 8px;
}

.widget ul li a {
    color: var(--color-text-main);
    font-size: 0.92rem;
}

.widget ul li a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

/* ==========================================================================
   12. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1200px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    .hero-title { font-size: 3rem; }
    .counter-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 40px;
        transition: var(--transition-smooth);
        z-index: 1000;
        gap: 15px;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 10px 0;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .nav-menu .sub-menu {
        position: relative;
        top: 0;
        box-shadow: none;
        border-top: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding-left: 20px;
        display: none;
    }
    
    .nav-menu li:hover > .sub-menu {
        display: block;
    }
    
    .header-cta .btn {
        display: none; /* Hide Quote button in small screens header */
    }
    
    .about-split {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-experience-badge {
        right: 10px;
        bottom: 10px;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .project-details-wrap {
        grid-template-columns: 1fr;
    }
    
    .project-technical-spec {
        position: relative;
        top: 0;
    }
    
    .col2-set {
        grid-template-columns: 1fr;
    }
    .cart-collaterals {
        justify-content: center;
    }
    .cart_totals {
        width: 100%;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 60px; /* Nhường chỗ cho Mobile Quick Contact Bar */
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-section {
        padding: 100px 0;
        text-align: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .services-grid, .projects-grid, .video-grid {
        grid-template-columns: 1fr;
    }
    
    .action-banner-flex {
        flex-direction: column;
        text-align: center;
    }
    
    .counter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .quick-contact-panel {
        display: none; /* Ẩn cụm nút nổi trên điện thoại */
    }
    
    body {
        padding-bottom: 60px !important;
    }
    
    .mobile-action-bar {
        display: grid; /* Hiển thị thanh Quick Bar dán dưới cùng di động */
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .product-single-wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .counter-grid {
        grid-template-columns: 1fr;
    }
    .top-bar-info {
        flex-direction: column;
        gap: 5px;
    }
}

/* ==========================================================================
   ADVANCED REPEATERS & COMPANY PORTFOLIO ADD-ONS (web3s)
   ========================================================================== */

/* Admin Panel Options Repeaters Styling */
.mh-repeater-container {
    background: #fff;
    border: 1px solid rgba(197, 160, 89, 0.25);
    border-radius: 8px;
    padding: 20px;
    margin: 15px 0 25px 0;
    max-width: 800px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}
.mh-repeater-row {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: #FCFAF7;
    border: 1px solid rgba(197, 160, 89, 0.15);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 15px;
    position: relative;
    transition: all 0.2s ease;
}
.mh-repeater-row:hover {
    border-color: #C5A059;
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.1);
}
.mh-repeater-fields {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.mh-repeater-fields-row {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
}
.mh-repeater-delete-btn {
    background: #D9534F;
    color: #fff;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-top: 4px;
}
.mh-repeater-delete-btn:hover {
    background: #c9302c;
    transform: scale(1.08);
}
.mh-add-row-btn {
    background: #2D2D2D;
    color: #fff !important;
    border: none;
    padding: 8px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.mh-add-row-btn:hover {
    background: #C5A059;
    transform: translateY(-1px);
}

/* Portfolio Page Advanced Grids */
.portfolio-grid-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 45px;
}
.portfolio-cert-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid rgba(197, 160, 89, 0.15);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.portfolio-cert-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}
.portfolio-cert-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: #fdfdfd;
    border-bottom: 1px solid rgba(197, 160, 89, 0.08);
}
.portfolio-cert-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}
.portfolio-cert-card:hover .portfolio-cert-img-wrap img {
    transform: scale(1.08);
}
.portfolio-cert-caption {
    padding: 15px;
    text-align: center;
    background: var(--color-white);
}
.portfolio-cert-caption h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0;
    line-height: 1.4;
    font-family: var(--font-body);
}

/* QR Code Luxury Callout Card */
.profile-qr-card {
    background: radial-gradient(circle at top left, var(--color-dark) 0%, #2F2720 100%);
    color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 45px;
    text-align: center;
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    margin-top: 50px;
}
.profile-qr-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: rgba(197, 160, 89, 0.05);
    border-radius: 50%;
    filter: blur(50px);
}
.profile-qr-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}
.profile-qr-img-box {
    background: var(--color-white);
    padding: 15px;
    border-radius: var(--border-radius);
    border: 3px solid var(--color-primary);
    box-shadow: var(--shadow-md);
    display: inline-block;
    transition: var(--transition-smooth);
}
.profile-qr-img-box:hover {
    transform: scale(1.06) rotate(1.5deg);
}
.profile-qr-img-box img {
    width: 150px;
    height: 150px;
    display: block;
}
.profile-qr-info {
    text-align: left;
    max-width: 480px;
}
.profile-qr-info h3 {
    color: var(--color-primary);
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.profile-qr-info p {
    color: rgba(255,255,255,0.82);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}
@media (max-width: 768px) {
    .profile-qr-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .profile-qr-info {
        text-align: center;
    }
}

/* ==========================================================================
   12. MEGA MENU & MOBILE ACCORDION (Premium v3.1)
   ========================================================================== */

/* MEGA MENU FOR DESKTOP */
@media (min-width: 1025px) {
    .nav-menu li.mega-menu-item {
        position: static !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu {
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        max-width: 1200px !important;
        margin: 0 auto !important;
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 20px !important;
        padding: 30px !important;
        background-color: var(--color-white) !important;
        box-shadow: 0 10px 40px rgba(0,0,0,0.12) !important;
        border-radius: var(--border-radius) !important;
        border-top: 4px solid var(--color-primary) !important;
        box-sizing: border-box !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu > li {
        width: 100% !important;
        border-bottom: none !important;
        padding: 0 !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu > li > a {
        font-weight: 700 !important;
        color: var(--color-dark) !important;
        border-bottom: 2px solid var(--color-primary) !important;
        padding-bottom: 8px !important;
        margin-bottom: 12px !important;
        text-transform: uppercase !important;
        font-size: 0.88rem !important;
        letter-spacing: 0.5px !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu > li .sub-menu {
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none !important;
        padding: 0 !important;
        width: 100% !important;
        pointer-events: auto !important;
        transform: none !important;
        background: transparent !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu > li .sub-menu li a {
        font-weight: 400 !important;
        padding: 6px 0 !important;
        color: var(--color-text) !important;
        font-size: 0.85rem !important;
    }
    .nav-menu li.mega-menu-item > .sub-menu > li .sub-menu li a:hover {
        color: var(--color-primary) !important;
        padding-left: 5px !important;
    }
}

/* MOBILE ACCORDION TRANSITIONS */
@media (max-width: 1024px) {
    .nav-menu .menu-item-has-children > a {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }
    .mh-menu-caret {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        background-color: rgba(197, 160, 89, 0.1);
        color: var(--color-primary);
        border-radius: 50%;
        font-size: 0.75rem;
        transition: transform 0.3s ease;
    }
    .menu-item-has-children.submenu-active > a .mh-menu-caret {
        transform: rotate(180deg);
        background-color: var(--color-primary);
        color: var(--color-white);
    }
    .nav-menu .menu-item-has-children .sub-menu {
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        max-height: 0;
        overflow: hidden;
        padding: 0 !important;
        width: 100% !important;
        box-shadow: none !important;
        background: rgba(0, 0, 0, 0.02) !important;
        transition: max-height 0.35s ease, padding 0.3s ease !important;
        border-radius: 4px;
    }
}

/* SLIDING PRICE CALCULATOR DRAWER & OVERLAY */
.mh-calculator-panel {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: -5px 0 30px rgba(0,0,0,0.15);
    z-index: 10000;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
}
.mh-calculator-panel.active {
    right: 0;
}
.mh-calculator-header {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1e1e1e 100%);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--color-primary);
}
.mh-calculator-header h3 {
    color: var(--color-primary);
    margin: 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: inherit;
}
.mh-calculator-close-btn {
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}
.mh-calculator-close-btn:hover {
    color: var(--color-primary);
}
.mh-calculator-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}
.mh-calc-intro {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 24px;
}
.mh-calc-group {
    margin-bottom: 20px;
}
.mh-calc-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
    text-transform: uppercase;
}
.mh-calc-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.mh-calc-label-row label {
    margin-bottom: 0;
}
.mh-calc-label-row span {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
}
.mh-calc-select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    background-color: #f9f9f9;
    font-size: 0.9rem;
    color: var(--color-dark);
    box-sizing: border-box;
}
.mh-calc-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
}
.mh-calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}
.mh-calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}
.mh-calculator-result {
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 25px 0;
    border-left: 4px solid var(--color-primary);
}
.mh-result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.88rem;
    color: var(--color-text);
}
.mh-result-item:last-child {
    margin-bottom: 0;
}
.mh-result-item.total-price {
    border-top: 1px dashed #ddd;
    padding-top: 10px;
    margin-top: 10px;
}
.mh-result-item.total-price span {
    font-weight: 700;
    color: var(--color-dark);
}
.mh-result-item.total-price strong {
    font-size: 1.3rem;
    color: var(--color-primary);
    font-family: Georgia, serif;
}
.mh-calculator-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.mh-calculator-overlay.active {
    opacity: 1;
    visibility: visible;
}