/*
Theme Name: MF1988 - Chuangsheng Sanitary Ware
Theme URI: https://www.mf1988.com
Author: Chuangsheng Sanitary Ware
Author URI: https://www.mf1988.com
Description: A professional WordPress theme for Nan'an Chuangsheng Sanitary Ware Factory - premium faucet and sanitary ware manufacturer from Quanzhou, Fujian, China. Features product catalog, company showcase, and responsive modern design.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mf1988
Tags: one-column, two-columns, custom-menu, featured-images, threaded-comments, translation-ready, e-commerce, custom-background, custom-logo
*/

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    --color-primary: #0A4D8C;
    --color-primary-dark: #073A6B;
    --color-primary-light: #1A6BB5;
    --color-secondary: #C8A45C;
    --color-secondary-dark: #A88940;
    --color-secondary-light: #E0C47A;
    --color-accent: #2196F3;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-bg-dark: #1A1A2E;
    --color-border: #E0E0E0;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --font-primary: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Noto Sans SC', 'Montserrat', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --container-max: 1200px;
    --header-height: 80px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-subtitle {
    display: inline-block;
    color: var(--color-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    position: relative;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.7);
    font-size: 0.8125rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.top-bar-left {
    display: flex;
    gap: 24px;
    align-items: center;
}

.top-bar-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

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

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

.top-bar .icon {
    font-size: 0.875rem;
}

.lang-switch a {
    padding: 2px 8px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.lang-switch a.active,
.lang-switch a:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #fff;
}

/* ============================================
   Header / Navigation
   ============================================ */
.site-header {
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.site-logo .logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.25rem;
}

.site-logo .logo-text {
    display: flex;
    flex-direction: column;
}

.site-logo .logo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.site-logo .logo-tagline {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Main Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    gap: 4px;
    align-items: center;
}

.main-navigation li a {
    display: block;
    padding: 8px 16px;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.main-navigation li a:hover,
.main-navigation li.current-menu-item > a,
.main-navigation li.current_page_item > a {
    color: var(--color-primary);
    background: rgba(10, 77, 140, 0.06);
}

.main-navigation li a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
    border-radius: 1px;
}

.main-navigation li a:hover::after,
.main-navigation li.current-menu-item > a::after,
.main-navigation li.current_page_item > a::after {
    width: 24px;
}

/* Dropdown */
.main-navigation .menu-item-has-children {
    position: relative;
}

.main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    flex-direction: column;
    gap: 0;
    z-index: 100;
}

.main-navigation .menu-item-has-children:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .sub-menu li a {
    padding: 10px 20px;
    font-size: 0.875rem;
    border-radius: 0;
}

.main-navigation .sub-menu li a:hover {
    background: rgba(10, 77, 140, 0.06);
}

.main-navigation .sub-menu li a::after {
    display: none;
}

/* Header CTA */
.header-cta {
    margin-left: 20px;
}

.header-cta .btn {
    font-size: 0.875rem;
    padding: 10px 24px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 1px;
}

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

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    box-shadow: 0 4px 15px rgba(10, 77, 140, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 77, 140, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    color: #fff;
    box-shadow: 0 4px 15px rgba(200, 164, 92, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 164, 92, 0.4);
}

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

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

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
}

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

.btn-white {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-white:hover {
    background: #f0f0f0;
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.8125rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0A4D8C 0%, #1A6BB5 50%, #2196F3 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/images/hero-pattern.svg') repeat;
    opacity: 0.05;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 80px;
    background: #fff;
    clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: #fff;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-text h1 {
    font-size: 3.25rem;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.15;
    font-weight: 800;
}

.hero-text h1 span {
    color: var(--color-secondary);
}

.hero-text p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat {
    text-align: left;
}

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: 4px;
}

.hero-stat .label {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.6);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-image-wrapper img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--color-secondary);
    border-radius: 50%;
    opacity: 0.15;
    z-index: -1;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 150px;
    height: 150px;
    background: var(--color-primary-light);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

/* Floating elements */
.hero-float-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.hero-float-card.card-1 {
    top: 20%;
    right: -10%;
    animation-delay: 0s;
}

.hero-float-card.card-2 {
    bottom: 20%;
    left: -5%;
    animation-delay: 1.5s;
}

.hero-float-card .card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 1.25rem;
}

.hero-float-card .card-icon.blue {
    background: rgba(10, 77, 140, 0.1);
    color: var(--color-primary);
}

.hero-float-card .card-icon.gold {
    background: rgba(200, 164, 92, 0.1);
    color: var(--color-secondary);
}

.hero-float-card .card-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
}

.hero-float-card .card-subtext {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    background: var(--color-bg-light);
}

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

.feature-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(10, 77, 140, 0.08), rgba(33, 150, 243, 0.08));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    background: #fff;
}

.product-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.product-categories .cat-btn {
    padding: 10px 24px;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    background: #fff;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.product-categories .cat-btn:hover,
.product-categories .cat-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

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

.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
}

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

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-light);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.new {
    background: var(--color-success);
    color: #fff;
}

.product-badge.hot {
    background: var(--color-danger);
    color: #fff;
}

.product-badge.sale {
    background: var(--color-secondary);
    color: #fff;
}

.product-quick-view {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    display: flex;
    justify-content: center;
    gap: 10px;
    transform: translateY(100%);
    transition: var(--transition);
}

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

.product-quick-view .btn {
    padding: 8px 20px;
    font-size: 0.8125rem;
    border-radius: 50px;
}

.product-card-body {
    padding: 20px;
}

.product-card-body h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    font-weight: 600;
}

.product-card-body h3 a {
    color: var(--color-text);
}

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

.product-card-body .product-model {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.product-card-body .product-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-primary);
    background: rgba(10, 77, 140, 0.08);
    padding: 3px 10px;
    border-radius: 50px;
}

.products-more {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   About / Company Section
   ============================================ */
.about-section {
    background: var(--color-bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.about-image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-primary);
    color: #fff;
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about-image-badge .number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.about-image-badge .text {
    font-size: 0.8125rem;
    opacity: 0.9;
}

.about-content .section-subtitle {
    display: inline-block;
    color: var(--color-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.about-content h2 {
    font-size: 2.25rem;
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--color-text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.about-feature-item .icon {
    width: 36px;
    height: 36px;
    background: rgba(10, 77, 140, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.about-feature-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ============================================
   Why Choose Us / Advantages
   ============================================ */
.advantages-section {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #16213E 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/images/hero-pattern.svg') repeat;
    opacity: 0.03;
}

.advantages-section .section-header h2 {
    color: #fff;
}

.advantages-section .section-header h2::after {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-secondary-light));
}

.advantages-section .section-header p {
    color: rgba(255,255,255,0.6);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-6px);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}

.advantage-card h3 {
    color: #fff;
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.advantage-card p {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(200, 164, 92, 0.15);
    border-radius: 50%;
}

.cta-section h2 {
    color: #fff;
    font-size: 2.25rem;
    margin-bottom: 16px;
    position: relative;
}

.cta-section p {
    color: rgba(255,255,255,0.85);
    font-size: 1.125rem;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    position: relative;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background: var(--color-bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.contact-info-card .icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(10, 77, 140, 0.08), rgba(33, 150, 243, 0.08));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 0.9375rem;
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.contact-info-card a {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-form .form-group {
    margin-bottom: 16px;
}

.contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--color-text);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font-primary);
    color: var(--color-text);
    transition: var(--transition);
    background: var(--color-bg-light);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.1);
    background: #fff;
}

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

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.7);
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    text-decoration: none;
}

.footer-brand .footer-logo .logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.125rem;
}

.footer-brand .footer-logo .logo-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.5);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
    font-size: 0.875rem;
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: #fff;
    transform: translateY(-3px);
}

.footer-column h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-secondary);
    border-radius: 1px;
}

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

.footer-column ul li a {
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-column ul li a:hover {
    color: var(--color-secondary);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    align-items: flex-start;
}

.footer-contact-item .icon {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.footer-contact-item .text {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.5);
}

.footer-contact-item .text a {
    color: rgba(255,255,255,0.5);
}

.footer-contact-item .text a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
}

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

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 0;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}

.footer-bottom-links a:hover {
    color: var(--color-secondary);
}

/* ============================================
   Page Header / Breadcrumb
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 60px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/images/hero-pattern.svg') repeat;
    opacity: 0.05;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: #fff;
    font-size: 2.25rem;
    margin-bottom: 8px;
}

.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: 1.05rem;
    margin-bottom: 0;
}

.breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 16px;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: rgba(255,255,255,0.6);
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb .separator {
    color: rgba(255,255,255,0.3);
}

.breadcrumb .current {
    color: var(--color-secondary);
}

/* ============================================
   Product Archive Page
   ============================================ */
.product-archive-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    padding: 60px 0;
}

/* Sidebar */
.product-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--color-border);
}

.sidebar-widget h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-bg-light);
    position: relative;
}

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

.sidebar-widget .cat-list li {
    margin-bottom: 6px;
}

.sidebar-widget .cat-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    font-size: 0.875rem;
    transition: var(--transition);
}

.sidebar-widget .cat-list li a:hover,
.sidebar-widget .cat-list li.active a {
    background: rgba(10, 77, 140, 0.06);
    color: var(--color-primary);
}

.sidebar-widget .cat-list li a .count {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg-light);
    padding: 2px 8px;
    border-radius: 50px;
}

/* Product Grid */
.product-archive-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.product-archive-header .result-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.product-sort select {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text);
    background: #fff;
}

.product-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text);
    transition: var(--transition);
}

.pagination a:hover, .pagination .current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ============================================
   Single Product Page
   ============================================ */
.single-product-layout {
    padding: 60px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.product-gallery-main {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-light);
    margin-bottom: 16px;
}

.product-gallery-main img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.product-gallery-thumbs img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

.product-info h1 {
    font-size: 1.875rem;
    margin-bottom: 8px;
}

.product-info .product-model {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.product-info .product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.product-meta {
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.product-meta-item {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.875rem;
}

.product-meta-item:last-child {
    margin-bottom: 0;
}

.product-meta-item .label {
    color: var(--color-text-muted);
    min-width: 100px;
}

.product-meta-item .value {
    color: var(--color-text);
    font-weight: 500;
}

.product-description {
    margin-bottom: 30px;
}

.product-description h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.product-description p {
    font-size: 0.9375rem;
    line-height: 1.8;
}

.product-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
}

.product-specs {
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: 24px;
}

.product-specs h3 {
    font-size: 1rem;
    margin-bottom: 16px;
}

.specs-table {
    width: 100%;
}

.specs-table tr {
    border-bottom: 1px solid var(--color-border);
}

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

.specs-table td {
    padding: 10px 0;
    font-size: 0.875rem;
}

.specs-table td:first-child {
    color: var(--color-text-muted);
    width: 40%;
}

/* Related Products */
.related-products {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.related-products h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

/* ============================================
   About Page
   ============================================ */
.about-page-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
}

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

.timeline-section {
    padding: 60px 0;
    background: var(--color-bg-light);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    padding: 20px 0;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-item .timeline-content {
    width: 45%;
    background: #fff;
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-item .timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    border: 3px solid #fff;
    box-shadow: var(--shadow-sm);
}

.timeline-item .year {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.timeline-item p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ============================================
   Certifications Section
   ============================================ */
.certifications-section {
    padding: 60px 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.certification-item {
    text-align: center;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.certification-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.certification-item img {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    object-fit: contain;
}

.certification-item p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .footer-grid .footer-column:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .product-archive-layout {
        grid-template-columns: 1fr;
    }
    
    .product-sidebar {
        position: static;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: static;
    }
    
    .about-page-intro {
        grid-template-columns: 1fr;
    }
    
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background: #fff;
        box-shadow: var(--shadow-xl);
        padding: 80px 20px 20px;
        transition: var(--transition);
        z-index: 999;
        overflow-y: auto;
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .main-navigation li a {
        padding: 14px 16px;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
    }
    
    .main-navigation li a::after {
        display: none;
    }
    
    .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .main-navigation .menu-item-has-children.active > .sub-menu {
        display: block;
    }
    
    .header-cta {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 998;
    }
    
    .mobile-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 2.25rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .product-archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-archive-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .product-actions {
        flex-direction: column;
    }
}

/* ============================================
   WordPress Specific
   ============================================ */
.alignleft {
    float: left;
    margin-right: 1.5em;
    margin-bottom: 1.5em;
}

.alignright {
    float: right;
    margin-left: 1.5em;
    margin-bottom: 1.5em;
}

.aligncenter {
    clear: both;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.5em;
}

.wp-caption {
    margin-bottom: 1.5em;
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
    padding: 8px 0;
}

.gallery {
    margin-bottom: 1.5em;
}

.sticky {
    /* Sticky post styling */
}

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   Loading / Preloader
   ============================================ */
.site-preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
}

.site-preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}