/* ========================================
   PCCC AN TOÀN - Main Stylesheet
   Giải pháp an toàn – Bảo vệ tương lai
   ======================================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

/* ========================================
   CSS VARIABLES / DESIGN TOKENS
   ======================================== */
:root {
    /* Primary Colors (PCCC Thuận An Phát Brand Palette) */
    --primary: #D32F2F;
    --primary-dark: #B71C1C;
    --primary-light: #E53935;
    --primary-lighter: #FFEBEE;
    --primary-gradient: linear-gradient(135deg, #D32F2F 0%, #E53935 100%);
    --gold: #D4AF37;
    --gold-dark: #B8860B;
    --gold-light: #F59E0B;
    
    /* Neutral Colors */
    --dark: #1A1A2E;
    --dark-700: #2D2D44;
    --dark-600: #3D3D5C;
    --gray-800: #333333;
    --gray-700: #4A4A4A;
    --gray-600: #666666;
    --gray-500: #888888;
    --gray-400: #AAAAAA;
    --gray-300: #CCCCCC;
    --gray-200: #E5E5E5;
    --gray-100: #F5F5F5;
    --gray-50: #FAFAFA;
    --white: #FFFFFF;
    
    /* Accent Colors */
    --success: #22C55E;
    --success-light: #DCFCE7;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    
    /* Typography */
    --font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-primary: 0 4px 14px rgba(232, 96, 28, 0.35);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --container-max: 1360px;
    --topbar-height: 38px;
    --header-height: 82px;
    --mobile-nav-height: 65px;
}

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

html {
    width: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

/* ========================================
   UTILITIES
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--dark);
    position: relative;
    display: inline-block;
}

.section-title h2 em {
    color: var(--primary);
    font-style: italic;
}

.section-title .line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.section-title .line::before,
.section-title .line::after {
    content: '';
    width: 60px;
    height: 2px;
    background: var(--gray-300);
}

.section-title .line .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
}

.text-primary { color: var(--primary); }
.text-white { color: var(--white); }
.text-center { text-align: center; }
.text-sm { font-size: var(--font-size-sm); }

.bg-primary { background: var(--primary); }
.bg-light { background: var(--gray-50); }
.bg-gradient { background: var(--primary-gradient); }

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

.grid { display: grid; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-primary);
    transform: translateY(-2px);
}

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

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

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

.btn-white:hover {
    background: var(--primary-lighter);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 16px 36px;
    font-size: var(--font-size-base);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-primary {
    background: var(--primary-lighter);
    color: var(--primary);
}

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

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

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

/* ========================================
   FLASH MESSAGE / ALERT
   ======================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--success-light);
    color: #166534;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: var(--danger-light);
    color: #991B1B;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: var(--warning-light);
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: var(--info-light);
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   TOP BAR
   ======================================== */
.top-bar {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    height: var(--topbar-height);
    transition: all var(--transition-base);
    overflow: hidden;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.top-bar-left a,
.top-bar-left span {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.top-bar-left i {
    color: var(--primary-light);
    font-size: 11px;
}

.top-bar-divider {
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.15);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-social {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-social a {
    width: 26px;
    height: 26px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 11px;
    transition: all var(--transition-fast);
}

.top-bar-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.top-bar-right a {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.top-bar-right i {
    font-size: 11px;
}

.top-bar-register {
    background: rgba(232, 96, 28, 0.15) !important;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    color: var(--primary-light) !important;
    font-weight: 600;
    border: 1px solid rgba(232, 96, 28, 0.3);
}

.top-bar-register:hover {
    background: var(--primary) !important;
    color: var(--white) !important;
    border-color: var(--primary);
}

.top-bar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-user a {
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color var(--transition-fast);
}

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

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    transition: all var(--transition-base);
    height: var(--header-height);
    border-bottom: 1px solid var(--gray-200);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.08);
    border-bottom-color: transparent;
}

/* Page Header Banner & Breadcrumb offset to clear fixed header */
.page-header-banner {
    padding-top: calc(var(--header-height) + var(--topbar-height) + 55px) !important;
    padding-bottom: 50px !important;
}

.breadcrumb {
    padding-top: calc(var(--header-height) + var(--topbar-height) + 20px) !important;
    padding-bottom: 18px !important;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    font-weight: 900;
    color: var(--dark);
    line-height: 1.2;
    letter-spacing: -0.3px;
}

.logo-text span {
    font-size: 10.5px;
    color: var(--gray-500);
    display: block;
    letter-spacing: 0.3px;
    font-weight: 500;
}

/* Desktop Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 8px;
    flex-wrap: nowrap;
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gray-700);
    padding: 8px 11px;
    border-radius: var(--radius-md);
    position: relative;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.main-nav a i {
    font-size: 13px;
    opacity: 0.65;
    transition: opacity var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    background: var(--primary-lighter);
}

.main-nav a:hover i,
.main-nav a.active i {
    opacity: 1;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ========================================
   UNIFIED CONTACT CAPSULE (HOTLINE - ZALO)
   ======================================== */
.header-contact-group {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 6px 16px 6px 11px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    box-shadow: 0 3px 12px rgba(220, 38, 38, 0.28);
    transition: all var(--transition-base);
    color: var(--white);
    line-height: 1.2;
    border: none;
    text-decoration: none;
}

.header-contact-group:hover {
    box-shadow: 0 5px 18px rgba(220, 38, 38, 0.38);
    transform: translateY(-1px);
}

.header-contact-group .contact-icon-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    font-size: 13px;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.header-contact-group:hover .contact-icon-btn {
    background: rgba(255, 255, 255, 0.3);
    animation: phoneRing 0.6s ease;
}

.header-contact-group .contact-pill-body {
    display: flex;
    flex-direction: column;
    text-align: left;
    white-space: nowrap;
}

.header-contact-group .contact-pill-label {
    font-size: 9.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.1;
    margin-bottom: 2px;
}

.header-contact-group .contact-pill-numbers {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.header-contact-group .contact-num {
    font-size: 12.5px;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.2px;
    transition: all var(--transition-fast);
}

.header-contact-group .contact-num:hover {
    color: #FEF08A;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.header-contact-group .contact-sep {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 1px;
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0); }
    10% { transform: rotate(15deg); }
    20% { transform: rotate(-10deg); }
    30% { transform: rotate(15deg); }
    40% { transform: rotate(-5deg); }
    50% { transform: rotate(0); }
}

/* ========================================
   HEADER LOGIN / ACCOUNT BUTTON
   ======================================== */
.header-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 14px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    color: var(--dark);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-base);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    cursor: pointer;
}

.header-login-btn i.fa-user,
.header-login-btn i.fa-user-circle {
    font-size: 13px;
    color: var(--primary);
    transition: transform var(--transition-fast);
}

.header-login-btn .dropdown-arrow {
    font-size: 9px;
    color: var(--gray-500);
    transition: transform var(--transition-fast);
}

.header-login-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
    box-shadow: 0 3px 10px rgba(220, 38, 38, 0.12);
    transform: translateY(-1px);
}

.header-login-btn:hover i.fa-user {
    transform: scale(1.15);
}

.header-login-btn.active,
.user-dropdown-wrapper:hover .header-login-btn {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
}

.user-dropdown-wrapper:hover .dropdown-arrow,
.header-login-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown-wrapper {
    position: relative;
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 230px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all var(--transition-base);
    z-index: 1100;
    overflow: hidden;
}

.user-dropdown-wrapper:hover .user-dropdown-menu,
.user-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--dark);
}

.user-dropdown-header i {
    font-size: 20px;
    color: var(--primary);
}

.user-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.user-dropdown-menu a:hover {
    background: var(--primary-lighter);
    color: var(--primary);
}

.user-dropdown-menu a i {
    width: 18px;
    text-align: center;
    font-size: 14px;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 4px 0;
}

.user-dropdown-menu .logout-link {
    color: var(--danger);
}

.user-dropdown-menu .logout-link:hover {
    background: var(--danger-light);
    color: var(--danger);
}

/* ---- Account Page ---- */
.account-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.account-sidebar {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: sticky;
    top: calc(var(--header-height) + var(--topbar-height) + 20px);
}

.account-avatar {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, #FFF5EE 0%, #FFE8D6 100%);
}

.avatar-circle {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 14px rgba(232, 96, 28, 0.35);
}

.account-avatar h3 {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 2px;
}

.account-avatar p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.account-nav {
    padding: var(--spacing-md) 0;
}

.account-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.account-nav-item:hover {
    background: var(--primary-lighter);
    color: var(--primary);
    border-left-color: var(--primary);
}

.account-nav-item.active {
    background: var(--primary-lighter);
    color: var(--primary);
    border-left-color: var(--primary);
}

.account-nav-item.logout {
    color: var(--danger);
}

.account-nav-item.logout:hover {
    background: var(--danger-light);
    border-left-color: var(--danger);
}

.account-nav-item i {
    width: 20px;
    text-align: center;
}

.account-content {
    min-height: 400px;
}

.account-tab {
    display: none;
    animation: fadeIn 0.3s ease;
}

.account-tab.active {
    display: block;
}

.account-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.account-card h2 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

/* Order cards */
.orders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.order-card-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.order-card-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.order-status {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.order-card-body {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.order-card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.order-card-info i {
    width: 16px;
    color: var(--primary);
    margin-right: 6px;
}

.order-card-total strong {
    font-size: var(--font-size-lg);
    color: var(--primary);
}

.order-card-total span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    display: block;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    z-index: 1001;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    width: 22px;
    height: 2.5px;
    background: var(--dark);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    height: 100dvh;
    background: var(--white);
    z-index: 1050;
    padding: 85px var(--spacing-xl) calc(var(--mobile-nav-height) + 20px);
    transition: right var(--transition-base);
    box-shadow: -5px 0 30px rgba(0,0,0,0.18);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 13px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 1px solid var(--gray-200);
    transition: color var(--transition-fast);
    min-height: 44px;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--primary);
}

.mobile-menu a i {
    width: 24px;
    text-align: center;
    color: var(--primary);
}

/* Mobile Menu Action Buttons (Auth, Hotline, Zalo) */
.mobile-menu-actions {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 2px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-mobile-auth {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px !important;
    min-height: 46px;
    border-radius: var(--radius-md);
    background: #F8FAFC;
    border: 1.5px solid #CBD5E1 !important;
    color: var(--dark) !important;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-bottom: 1.5px solid #CBD5E1 !important;
}

.btn-mobile-auth i {
    width: auto !important;
    font-size: 16px;
    color: var(--primary) !important;
}

.btn-mobile-auth:hover {
    background: var(--primary-lighter);
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

.btn-mobile-logout {
    background: #FEF2F2;
    border-color: #FECACA !important;
    color: var(--danger) !important;
}

.btn-mobile-logout i {
    color: var(--danger) !important;
}

.btn-mobile-contact {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px !important;
    min-height: 48px;
    border-radius: var(--radius-md);
    color: var(--white) !important;
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-fast);
    border-bottom: none !important;
}

.btn-mobile-call {
    background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.btn-mobile-call:hover {
    background: #B91C1C;
    transform: translateY(-1px);
}

.btn-mobile-call i {
    width: auto !important;
    color: var(--white) !important;
    font-size: 15px;
}

.btn-mobile-zalo {
    background: #0068FF;
    box-shadow: 0 4px 12px rgba(0, 104, 255, 0.25);
}

.btn-mobile-zalo:hover {
    background: #0053cc;
    transform: translateY(-1px);
}

.btn-mobile-zalo i {
    width: auto !important;
    color: var(--white) !important;
    font-size: 16px;
}

.btn-mobile-phone {
    background: #1E293B;
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.25);
}

.btn-mobile-phone:hover {
    background: #0F172A;
    transform: translateY(-1px);
}

.btn-mobile-phone i {
    width: auto !important;
    color: var(--white) !important;
    font-size: 15px;
}

.mobile-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
    text-align: left;
}

.mobile-btn-text span {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    opacity: 0.92;
}

.mobile-btn-text strong {
    font-size: 13.5px;
    font-weight: 800;
    letter-spacing: 0.2px;
}

.mobile-btn-text small {
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 500;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    margin-top: calc(var(--header-height) + var(--topbar-height));
    position: relative;
    background: #0F172A;
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
    min-height: 520px;
    display: flex;
    align-items: center;
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out, transform 8s ease;
    transform: scale(1.05);
}

.desktop-slide:first-child {
    opacity: 1;
    transform: scale(1.0);
}

.desktop-slide {
    display: block;
}

.mobile-slide {
    display: none;
}

@media (max-width: 768px) {
    .desktop-slide {
        display: none !important;
    }
    .desktop-slide:first-child {
        opacity: 0;
    }
    .mobile-slide {
        display: block !important;
    }
    .mobile-slide:first-of-type {
        opacity: 1;
        transform: scale(1.0);
    }
    
    .hero {
        min-height: 480px;
        padding: 40px 0 60px 0;
    }
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1.0);
}

.hero-slider-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
    align-items: center;
}

.hero-slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.hero-slider-dots .dot.active {
    width: 32px;
    border-radius: 10px;
    background: var(--primary);
    border-color: #ffffff;
    box-shadow: 0 0 10px rgba(232, 96, 28, 0.6);
}

.hero-inner {
    display: block;
    max-width: 800px;
}

.hero-content {
    position: relative;
    z-index: 5;
    max-width: 780px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(232, 96, 28, 0.22);
    border: 1px solid rgba(232, 96, 28, 0.5);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: #FF8C00;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.hero-content h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 3px 12px rgba(0,0,0,0.8);
}

.hero-content h2 .text-highlight {
    color: #FF6600;
    position: relative;
    text-shadow: 0 2px 10px rgba(232, 96, 28, 0.5);
}

.hero-content p {
    font-size: var(--font-size-lg);
    color: #E2E8F0;
    max-width: 520px;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
    text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    max-width: 550px;
    margin-left: auto;
    filter: drop-shadow(0 20px 40px rgba(232, 96, 28, 0.15));
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-bg-shape {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(232, 96, 28, 0.05);
    right: -100px;
    top: -100px;
    z-index: 0;
}

/* Hero Features Strip */
.hero-features {
    background: var(--white);
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 5;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--dark);
}

.feature-item p {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.service-card p {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0;
}


/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-image {
    position: relative;
    overflow: hidden;
    padding-top: 100%;
    background: var(--gray-100);
}

.product-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 2;
}

.product-badge span {
    display: inline-block;
    background: var(--danger);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.product-actions {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
    z-index: 2;
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-actions button {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--white);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

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

.product-info {
    padding: var(--spacing-lg);
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.product-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    min-height: 42px;
    transition: color var(--transition-fast);
}

.product-name:hover {
    color: var(--primary);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.product-rating .stars {
    color: var(--warning);
    font-size: var(--font-size-xs);
}

.product-rating .count {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.product-price .current {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--primary);
}

.product-price .original {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    text-decoration: line-through;
}

.product-sold {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-sm);
}

.product-detail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    font-weight: 700;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(211, 47, 47, 0.22);
    min-height: 42px;
}

.product-detail-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(211, 47, 47, 0.35);
}

.product-detail-btn i {
    font-size: 14px;
    transition: transform var(--transition-fast);
}

.product-detail-btn:hover i {
    transform: scale(1.15);
}

/* Product Detail Consultation Actions */
.product-contact-actions {
    display: flex;
    gap: 14px;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-phone-btn,
.contact-zalo-btn {
    flex: 1;
    min-width: 200px;
    min-height: 48px;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    font-weight: 800;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
}

.contact-phone-btn {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.32);
}

.contact-phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(220, 38, 38, 0.45);
    color: var(--white);
}

.contact-phone-btn:hover i {
    animation: phoneRing 0.6s ease;
}

.contact-zalo-btn {
    background: #0068FF;
    color: var(--white);
    border: 1px solid #0068FF;
    box-shadow: 0 4px 16px rgba(0, 104, 255, 0.32);
}

.contact-zalo-btn:hover {
    background: #0056d6;
    border-color: #0056d6;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 104, 255, 0.45);
    color: var(--white);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.category-tab {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-100);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.category-tab:hover,
.category-tab.active {
    background: var(--primary);
    color: var(--white);
}

/* Products List View */
.product-card-horizontal {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-base);
    padding: var(--spacing-lg);
}

.product-card-horizontal:hover {
    box-shadow: var(--shadow-lg);
}

.product-card-horizontal .product-image {
    width: 200px;
    min-width: 200px;
    padding-top: 0;
    height: 200px;
    border-radius: var(--radius-lg);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
    background: var(--primary-gradient);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.stats-label {
    flex-shrink: 0;
    max-width: 280px;
}

.stats-label .shield-icon {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    margin-bottom: var(--spacing-md);
}

.stats-label h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.stats-label p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    flex: 1;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.stat-desc {
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,0.7);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding-top: var(--spacing-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-3xl);
}

.footer-col h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.footer-about .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-about .logo-text h1 {
    color: var(--white);
}

.footer-about p {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul a {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.7);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.footer-col ul a i {
    font-size: 12px;
    color: var(--primary);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md) !important;
}

.footer-contact li i {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 14px;
}

.footer-contact li div {
    font-size: var(--font-size-sm);
}

.footer-contact li div strong {
    color: var(--white);
    display: block;
    margin-bottom: 2px;
}

.footer-contact-phones {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.footer-contact-phones a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

.footer-contact-phones .phone-sep {
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
    margin: 0 1px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.5);
}

/* ========================================
   FLOATING CONTACT BUTTONS
   ======================================== */
.float-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    animation: floatPulse 2s infinite;
}

.float-btn:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow-2xl);
}

.float-btn.phone {
    background: var(--success);
}

.float-btn.zalo {
    background: #0068FF;
    padding: 0;
    overflow: hidden;
}

.float-btn.zalo .float-zalo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-full);
    display: block;
    transition: transform var(--transition-fast);
}

.social-zalo-img {
    width: 16px;
    height: 16px;
    object-fit: contain;
    border-radius: 3px;
    display: block;
    transition: transform var(--transition-fast);
}

.footer-social .social-zalo-img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.top-bar-social a:hover .social-zalo-img,
.footer-social a:hover .social-zalo-img {
    transform: scale(1.15);
}

.btn-mobile-zalo .mobile-zalo-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
    display: block;
    flex-shrink: 0;
}

.float-btn.facebook {
    background: #1877F2;
}

.float-btn.hotline {
    background: var(--primary);
}

.float-btn .tooltip {
    position: absolute;
    right: 60px;
    background: var(--dark);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
}

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

@keyframes floatPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(34, 197, 94, 0); }
}

.float-btn.zalo { animation-delay: 0.3s; }
.float-btn.facebook { animation-delay: 0.6s; }
.float-btn.hotline { animation-delay: 0.9s; }

/* Scroll to top */
.scroll-top {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 899;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ========================================
   MOBILE BOTTOM NAVIGATION
   ======================================== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.1);
    border-top: 1px solid var(--gray-200);
    height: var(--mobile-nav-height);
}

.mobile-bottom-nav .nav-items {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 100%;
    padding: 0 var(--spacing-sm);
}

.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 12px;
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.mobile-bottom-nav .nav-item i {
    font-size: 20px;
}

.mobile-bottom-nav .nav-item.active,
.mobile-bottom-nav .nav-item:hover {
    color: var(--primary);
}

.mobile-bottom-nav .nav-item.call-btn {
    position: relative;
    top: -18px;
}

.mobile-bottom-nav .nav-item.call-btn .call-circle {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(232, 96, 28, 0.4);
    margin-bottom: 2px;
}

.mobile-bottom-nav .nav-item.call-btn span {
    color: var(--primary);
    font-weight: 700;
}

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
    padding: var(--spacing-md) 0;
    margin-top: calc(var(--header-height) + var(--topbar-height));
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb-list a {
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

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

.breadcrumb-list .separator {
    color: var(--gray-400);
    font-size: 10px;
}

.breadcrumb-list .current {
    color: var(--primary);
    font-weight: 600;
}

/* ========================================
   PRODUCT DETAIL PAGE
   ======================================== */
.product-detail {
    padding: var(--spacing-3xl) 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.product-gallery {
    position: relative;
}

.gallery-main {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gray-100);
    margin-bottom: var(--spacing-md);
}

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

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
}

.gallery-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.gallery-thumb.active,
.gallery-thumb:hover {
    border-color: var(--primary);
}

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

.product-detail-info h1 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.detail-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.detail-rating .stars {
    color: var(--warning);
    font-size: var(--font-size-lg);
}

.detail-rating .rating-text {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.detail-rating .sold {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.detail-price {
    background: var(--primary-lighter);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.detail-price .current-price {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--primary);
}

.detail-price .original-price {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    text-decoration: line-through;
    margin-left: var(--spacing-md);
}

.detail-price .discount {
    display: inline-block;
    background: var(--danger);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-left: var(--spacing-md);
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.quantity-selector label {
    font-weight: 600;
    color: var(--gray-700);
    min-width: 80px;
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.quantity-controls button {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border: none;
    color: var(--gray-700);
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quantity-controls button:hover {
    background: var(--primary-lighter);
    color: var(--primary);
}

.quantity-controls input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--gray-300);
    border-right: 1px solid var(--gray-300);
    font-weight: 600;
    font-size: var(--font-size-base);
}

.detail-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.detail-actions .btn {
    flex: 1;
    padding: 14px 24px;
    font-size: var(--font-size-base);
}

.detail-features {
    border-top: 1px solid var(--gray-200);
    padding-top: var(--spacing-xl);
}

.detail-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.detail-features li i {
    color: var(--success);
    font-size: 16px;
}

/* ========================================
   CART PAGE
   ======================================== */
.cart-page {
    padding: var(--spacing-3xl) 0;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.cart-table th {
    background: var(--gray-50);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    text-transform: uppercase;
    border-bottom: 2px solid var(--gray-200);
}

.cart-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.cart-product {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

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

.cart-remove {
    color: var(--danger);
    cursor: pointer;
    background: none;
    border: none;
    font-size: 18px;
}

.cart-remove:hover {
    color: var(--primary-dark);
}

.cart-summary {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.cart-summary h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.cart-summary .summary-row.total {
    border-top: 2px solid var(--gray-200);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--primary);
}

.coupon-form {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.coupon-form input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.coupon-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232, 96, 28, 0.1);
}
/* ========================================
   LOGIN PROMPT MODAL
   ======================================== */
#loginPromptModal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

#loginPromptModal .login-prompt-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#loginPromptModal.show .login-prompt-overlay {
    opacity: 1;
}

.login-prompt-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0,0,0,0.15);
    opacity: 0;
    transform: scale(0.9) translateY(20px);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#loginPromptModal.show .login-prompt-card {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.login-prompt-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 20px;
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.login-prompt-close:hover {
    background: var(--gray-200);
    color: var(--dark);
}

.login-prompt-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #FFF5EE 0%, #FFE8D6 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.login-prompt-icon i {
    font-size: 30px;
    color: var(--primary);
}

.login-prompt-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.login-prompt-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.login-prompt-actions {
    display: flex;
    gap: var(--spacing-md);
}

.login-prompt-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 700;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.login-prompt-btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(232, 96, 28, 0.3);
}

.login-prompt-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 96, 28, 0.4);
}

.login-prompt-btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.login-prompt-btn-outline:hover {
    background: var(--primary-lighter);
    transform: translateY(-2px);
}

/* ========================================
   LOGIN / REGISTER
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, #FFF5EE 0%, #FFE8D6 100%);
    margin-top: calc(var(--header-height) + var(--topbar-height));
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
}

.auth-card .logo {
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-card h2 {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2xl);
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group label .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    color: var(--dark);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232, 96, 28, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

/* Password Toggle */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-control {
    padding-right: 48px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 4px;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border: none;
    background: transparent;
    color: var(--gray-400);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.password-toggle:hover {
    color: var(--primary);
    background: var(--primary-lighter);
}

.password-toggle.active {
    color: var(--primary);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-text {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.contact-info-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.contact-info-card .icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.contact-info-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-form-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   PAGES (Policy, Terms)
   ======================================== */
.page-content {
    padding: var(--spacing-3xl) 0;
}

.page-content .content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
}

.page-content h1 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.page-content h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.page-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.page-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--gray-700);
}

.page-content ul {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-content ul li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    color: var(--gray-700);
}

/* ========================================
   PAGINATION
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-3xl);
}

.pagination a,
.pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
}

.pagination .active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* ========================================
   REVIEWS
   ======================================== */
.reviews-section {
    margin-top: var(--spacing-3xl);
}

.review-item {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--primary-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.review-meta h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--dark);
}

.review-meta .review-date {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.review-stars {
    color: var(--warning);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.review-text {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    line-height: 1.7;
}

/* ========================================
   CHECKOUT
   ======================================== */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
}

.checkout-form-section {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
}

.checkout-form-section h2 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.order-summary {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: calc(var(--header-height) + var(--topbar-height) + 20px);
}

.order-summary h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.order-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.order-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.order-item-info {
    flex: 1;
}

.order-item-info h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.order-item-info .qty {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.order-item-info .price {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary);
}

/* ========================================
   SEARCH RESULTS
   ======================================== */
.search-bar {
    display: flex;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.search-bar input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
}

.search-bar input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232, 96, 28, 0.1);
}

.search-bar button {
    padding: 14px 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-bar button:hover {
    background: var(--primary-dark);
}

/* ========================================
   ABOUT PAGE
   ======================================== */
.about-hero {
    text-align: center;
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, #FFF5EE 0%, #FFE8D6 100%);
    margin-top: calc(var(--header-height) + var(--topbar-height));
}

.about-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.about-hero p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Laptop & Compact Desktop (1024px - 1366px) */
@media (max-width: 1366px) and (min-width: 1024px) {
    .header-inner {
        padding: 0 14px;
    }
    .main-nav {
        gap: 2px;
        margin: 0 4px;
    }
    .main-nav a {
        font-size: 12px;
        padding: 6px 7px;
        gap: 4px;
    }
    .main-nav a i {
        font-size: 11px;
    }
    .header-contact-group {
        padding: 5px 12px 5px 9px;
        gap: 7px;
    }
    .header-contact-group .contact-num {
        font-size: 11.5px;
    }
    .header-contact-group .contact-pill-label {
        font-size: 8.5px;
    }
    .header-login-btn {
        padding: 0 10px;
        height: 35px;
        font-size: 12px;
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    .header-inner {
        padding: 0 16px;
    }
    .header-actions {
        gap: 10px;
    }
    .header-contact-group {
        display: inline-flex;
        padding: 5px 12px 5px 9px;
        gap: 7px;
    }
    .header-contact-group .contact-num {
        font-size: 12px;
    }
    .header-login-btn {
        height: 36px;
        padding: 0 12px;
        font-size: 12.5px;
    }
}

/* Tablet & Mobile Breakpoint (Below 1024px) */
@media (max-width: 1023px) {
    .main-nav {
        display: none;
    }
    .hamburger {
        display: flex;
    }
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-label {
        max-width: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto var(--spacing-2xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        display: flex;
        justify-content: center;
        margin-top: 20px;
    }
    
    .hero-image img {
        max-width: 380px;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --topbar-height: 0px;
    }
    
    .top-bar {
        display: none;
    }
    
    .header {
        top: 0;
    }
    
    .main-nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .header-contact-group {
        display: none !important;
    }
    
    .header-actions {
        gap: 8px;
    }
    
    .header-login-btn {
        height: 36px;
        padding: 0 11px;
        font-size: 12px;
    }
    
    .mobile-bottom-nav {
        display: block;
    }
    
    body {
        padding-bottom: var(--mobile-nav-height);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
        min-height: auto;
    }
    
    .hero-content h2 {
        font-size: var(--font-size-2xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    /* Mobile Simplified Product Cards */
    .product-card .product-info {
        padding: 10px 8px;
    }
    
    .product-card .product-category,
    .product-card .product-rating,
    .product-card .product-sold {
        display: none !important;
    }
    
    .product-card .product-name {
        font-size: 13px;
        font-weight: 700;
        line-height: 1.35;
        min-height: auto;
        margin-bottom: 6px;
        color: var(--dark);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .product-card .product-price {
        margin-bottom: 8px;
    }
    
    .product-card .product-price .current {
        font-size: 13px;
        font-weight: 700;
    }
    
    .product-detail-btn {
        padding: 8px 12px;
        font-size: 12.5px;
        min-height: 38px;
        border-radius: var(--radius-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title h2 {
        font-size: var(--font-size-xl);
    }
    
    .float-contact {
        right: 15px;
        bottom: calc(var(--mobile-nav-height) + 20px);
    }
    
    .float-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .scroll-top {
        bottom: calc(var(--mobile-nav-height) + 15px);
        right: 15px;
    }
    
    .cart-table {
        display: block;
        overflow-x: auto;
    }
    
    .product-detail-grid {
        gap: var(--spacing-xl);
    }
    
    .detail-actions {
        flex-direction: column;
    }
    
    .auth-card {
        padding: var(--spacing-xl);
    }
    
    .breadcrumb-list {
        font-size: var(--font-size-xs);
    }
    
    .contact-form-card {
        padding: var(--spacing-lg);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .checkout-form-section,
    .order-summary {
        padding: var(--spacing-lg);
    }
    
    .account-grid {
        grid-template-columns: 1fr;
    }
    
    .account-sidebar {
        position: static;
    }
    
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .product-info {
        padding: var(--spacing-md);
    }
    
    .product-price .current {
        font-size: var(--font-size-base);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

/* Intersection Observer animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* No Image Placeholder */
.no-image {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 48px;
}

/* ========================================
   PRODUCT LIST/FILTER SIDEBAR
   ======================================== */
.products-page-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--spacing-2xl);
}

.filter-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--topbar-height) + 20px);
    max-height: calc(100vh - var(--header-height) - 40px);
    overflow-y: auto;
}

.filter-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filter-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

.filter-card ul li {
    margin-bottom: var(--spacing-sm);
}

.filter-card ul li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.filter-card ul li a:hover,
.filter-card ul li a.active {
    background: var(--primary-lighter);
    color: var(--primary);
}

.filter-card ul li a .count {
    font-size: var(--font-size-xs);
    color: var(--gray-400);
}

.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.products-toolbar .results-count {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.products-toolbar select {
    padding: 8px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

@media (max-width: 768px) {
    .products-page-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-sidebar {
        position: static;
        max-height: none;
    }
}

/* ========================================
   PRODUCT DETAIL TABS
   ======================================== */
.detail-tabs {
    margin-top: var(--spacing-3xl);
}

.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-xl);
}

.tabs-nav button {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-600);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tabs-nav button.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tabs-nav button:hover {
    color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

.tab-content .description {
    line-height: 1.8;
    color: var(--gray-700);
}

.tab-content .description h2,
.tab-content .description h3 {
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--dark);
}

.tab-content .description ul {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.tab-content .description ul li {
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   MOBILE SPECIFIC OVERRIDES (Max Width 992px)
   ======================================== */
@media screen and (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    
    .product-card {
        border-radius: var(--radius-lg) !important;
    }
    
    .product-card .product-info {
        padding: 10px 8px !important;
    }
    
    .product-category,
    .product-rating,
    .product-sold {
        display: none !important;
    }
    
    .product-card .product-name {
        font-size: 13px !important;
        font-weight: 700 !important;
        line-height: 1.35 !important;
        min-height: auto !important;
        margin-bottom: 6px !important;
        color: var(--dark) !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }
    
    .product-card .product-price {
        margin-bottom: 8px !important;
    }
    
    .product-card .product-price .current {
        font-size: 13px !important;
        font-weight: 700 !important;
    }
    
    .product-detail-btn {
        padding: 9px 12px !important;
        font-size: 12.5px !important;
        min-height: 40px !important;
        border-radius: var(--radius-md) !important;
    }
    
    /* Mobile Product Gallery */
    .product-gallery {
        position: relative !important;
        top: auto !important;
        z-index: 1 !important;
        background: transparent !important;
        padding-bottom: 0 !important;
        border-bottom: none !important;
    }
}

/* ==========================================================================
   ADVANCED RESPONSIVE SYSTEM (DESKTOP 4K/2K/ULTRAWIDE, LAPTOP, TABLET & MOBILE)
   ========================================================================== */

/* 1. Large Displays (2K, UltraWide, 4K: >= 1600px, >= 1920px, >= 2560px) */
@media (min-width: 1600px) {
    :root {
        --container-max: 1520px;
    }
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
    .hero-content h2 {
        font-size: clamp(2.5rem, 3.2vw, 3.8rem);
    }
}

@media (min-width: 1920px) {
    :root {
        --container-max: 1680px;
        --font-size-base: 1.05rem;
    }
    .container {
        width: min(100% - 64px, 1680px);
    }
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
    .product-detail-grid {
        gap: 48px;
    }
    .hero {
        min-height: 580px;
    }
}

@media (min-width: 2560px) {
    :root {
        --container-max: 1920px;
    }
    .container {
        width: min(100% - 96px, 1920px);
    }
    .products-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 36px;
    }
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
}

/* UltraWide (3440x1440, etc.) */
@media (min-aspect-ratio: 21/9) and (min-width: 2560px) {
    .container {
        max-width: 2040px;
    }
    .hero-inner {
        max-width: 960px;
    }
}

/* 2. Laptop & Desktop (1024px - 1439px) */
@media (max-width: 1439px) and (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
}

/* 3. Tablet Landscape & Portrait (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    .container {
        width: 100%;
        padding: 0 20px;
    }
    .products-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 16px !important;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .cart-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
    .product-detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

/* 4. Cart Page Responsive Overhaul */
.cart-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.cart-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    background: var(--white);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .cart-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    .cart-table {
        min-width: 580px;
    }
    .cart-summary {
        padding: 16px;
    }
    .coupon-form {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .coupon-form input {
        min-width: 160px;
        flex: 1;
    }
}

/* 5. Checkout Page Responsive Overhaul */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (max-width: 992px) {
    .checkout-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
}

/* 6. Product Detail Responsive (Mobile: Single Column) */
@media (max-width: 767px) {
    .product-detail {
        padding: var(--spacing-xl) 0;
    }
    .product-detail-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    .gallery-main {
        max-width: 100%;
        aspect-ratio: 1;
        margin: 0 auto 12px;
    }
    .gallery-thumbs {
        grid-template-columns: repeat(5, 1fr);
        gap: 8px;
    }
    .product-detail-info h1 {
        font-size: 1.25rem;
        line-height: 1.35;
    }
    .detail-price {
        padding: 14px 16px;
    }
    .detail-price .current-price {
        font-size: 1.5rem;
    }
    .quantity-selector {
        flex-wrap: wrap;
        gap: 10px;
    }
    .quantity-controls button {
        width: 44px;
        height: 44px;
    }
    .quantity-controls input {
        width: 50px;
        height: 44px;
    }
    .detail-actions {
        flex-direction: column;
        gap: 12px;
    }
    .detail-actions .btn {
        width: 100%;
        min-height: 48px;
        font-size: 15px;
    }
}

/* 7. Floating Contact Widgets & Mobile Safe Spacing */
@media (max-width: 768px) {
    body {
        padding-bottom: calc(var(--mobile-nav-height) + 10px);
    }
    .float-contact {
        right: 12px;
        bottom: calc(var(--mobile-nav-height) + 16px);
        gap: 10px;
    }
    .float-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .scroll-top {
        right: 12px;
        bottom: calc(var(--mobile-nav-height) + 16px + 170px);
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* 8. Small & Extra Small Mobile Phones (320px - 430px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    .logo-text span:first-child {
        font-size: 11px !important;
    }
    .logo-text span:nth-child(2) {
        font-size: 16px !important;
    }
    .logo-text span:last-child {
        font-size: 9px !important;
    }
    .logo-icon {
        width: 46px !important;
        height: 46px !important;
        min-width: 46px !important;
    }
    .header-inner {
        padding: 0 12px;
    }
    .header-actions {
        gap: 6px;
    }
    .header-login-btn {
        padding: 0 9px;
        height: 35px;
        font-size: 11.5px;
    }
    .header-login-btn i {
        font-size: 12px;
    }
    .hero-content h2 {
        font-size: 1.45rem;
        line-height: 1.25;
    }
    .hero-badge {
        padding: 6px 12px;
        font-size: 12px;
    }
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    .section {
        padding: 32px 0;
    }
    .section-title {
        margin-bottom: 24px;
    }
    .section-title h2 {
        font-size: 1.35rem;
    }
    .btn {
        min-height: 44px;
        padding: 10px 18px;
    }
    .footer-col h3 {
        font-size: 1rem;
        margin-bottom: 14px;
    }
}

/* 9. Prevent Any Accidental Horizontal Scrolling */
img, video, iframe, table, pre, code {
    max-width: 100%;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 640px) {
    .bank-qr-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    .bank-qr-grid img {
        margin: 0 auto;
    }
    .bank-qr-grid div:last-child {
        text-align: left;
    }
}