/**
 * DOVMAX TIRE - Main Stylesheet
 * Professional Tire B2B WordPress Theme
 *
 * Color Scheme:
 * - Primary Blue: #1a56db
 * - Secondary Blue: #3b82f6
 * - Dark Gray: #1f2937
 * - Light Gray: #f3f4f6
 * - Accent: #f59e0b
 */

/* ================================
   CSS Variables & Reset
================================ */
:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #6b7280;
    --accent: #f59e0b;
    --dark: #1f2937;
    --light: #f3f4f6;
    --white: #ffffff;
    --black: #111827;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;

    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* ================================
   Utility Classes
================================ */
.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    gap: 8px;
}

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

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

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

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

.btn-inquiry {
    background: var(--accent);
    color: var(--white);
}

.btn-inquiry:hover {
    background: #d97706;
    color: var(--white);
}

/* ================================
   Header Styles
================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.top-bar {
    background: var(--dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 0.875rem;
}

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

.top-bar-left .contact-info {
    display: flex;
    gap: 25px;
}

.top-bar-left .contact-info li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-left .contact-info i {
    color: var(--accent);
}

.top-bar-left .contact-info a {
    color: var(--white);
}

.top-bar-left .contact-info a:hover {
    color: var(--accent);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.currency-switcher select {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--white);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.main-header {
    padding: 15px 0;
    background: var(--white);
}

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

.site-logo img {
    height: 50px;
    width: auto;
}

.main-navigation ul {
    display: flex;
    gap: 5px;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    display: block;
    padding: 10px 18px;
    color: var(--dark);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
    background: var(--light);
    color: var(--primary);
}

.main-navigation .menu-item-has-children > a span::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 8px;
}

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

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

.main-navigation .sub-menu li {
    border-bottom: 1px solid var(--light);
}

.main-navigation .sub-menu li:last-child {
    border-bottom: none;
}

.main-navigation .sub-menu a {
    padding: 12px 20px;
}

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

.search-toggle {
    background: none;
    border: none;
    font-size: 1.125rem;
    color: var(--dark);
    cursor: pointer;
    padding: 10px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.search-toggle:hover {
    background: var(--light);
    color: var(--primary);
}

.search-form-wrapper {
    position: absolute;
    top: 100%;
    right: 0;
    width: 350px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.search-form-wrapper.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-form-wrapper .search-form {
    display: flex;
}

.search-form-wrapper input[type="search"] {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 1rem;
}

.search-form-wrapper button[type="submit"] {
    padding: 12px 20px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle .hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--dark);
    position: relative;
}

.mobile-menu-toggle .hamburger::before,
.mobile-menu-toggle .hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 2px;
    background: var(--dark);
    left: 0;
}

.mobile-menu-toggle .hamburger::before {
    top: -8px;
}

.mobile-menu-toggle .hamburger::after {
    bottom: -8px;
}

/* ================================
   Banner Slider
================================ */
.banner-slider {
    margin-top: 110px;
}

.banner-swiper,
.banner-swiper .swiper-wrapper,
.banner-swiper .swiper-slide {
    width: 100%;
    height: 700px;
}

.banner-swiper .swiper-slide {
    overflow: hidden;
}

.banner-item {
    min-height: 700px;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.banner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
}

.banner-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    align-items: center;
    color: var(--white);
}

.banner-content .container {
    max-width: 700px;
}

.banner-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.banner-subtitle {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.banner-content .btn {
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.banner-swiper .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.5);
    opacity: 1;
}

.banner-swiper .swiper-pagination-bullet-active {
    background: var(--white);
}

.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
    color: var(--white);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
}

.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after {
    font-size: 1.25rem;
}

/* ================================
   Advantages Section
================================ */
.advantages-section {
    background: var(--light);
    padding: 80px 0;
}

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

.advantage-item {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.advantage-item h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.advantage-item p {
    color: var(--secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ================================
   Products Section
================================ */
.featured-products-section {
    padding: 80px 0;
}

.product-categories-tabs,
.cat-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.products-filter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.filter-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.products-filter .cat-tabs {
    justify-content: flex-start;
    margin-bottom: 0;
}

.cat-filter select {
    min-height: 46px;
    padding: 0 44px 0 16px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 999px;
    background: #ffffff;
    color: #0f172a;
    font-weight: 700;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--light);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f9fafb;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: var(--transition);
}

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

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.product-badge {
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

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

.badge-hot {
    background: var(--error);
    color: var(--white);
}

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.product-card:hover .product-actions {
    opacity: 1;
    visibility: visible;
}

.product-action-btn {
    width: 40px;
    height: 40px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.product-action-btn:hover {
    background: var(--primary);
    color: var(--white);
}

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

.product-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-title a {
    color: var(--dark);
}

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

.product-specs {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.product-specs span {
    display: block;
    margin-bottom: 5px;
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--light);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.product-inquiry-btn {
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.product-inquiry-btn:hover {
    background: var(--primary-dark);
}

.view-all-products {
    text-align: center;
}

/* ================================
   New Arrivals Section
================================ */
.new-arrivals-section {
    background: var(--light);
    padding: 80px 0;
}

.new-products-swiper {
    padding: 20px 0;
}

.new-products-swiper .swiper-wrapper {
    align-items: stretch;
}

.new-products-swiper .swiper-slide {
    height: auto;
    display: flex;
}

.new-products-swiper .product-card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.new-products-swiper .product-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.new-products-swiper .product-card-footer {
    margin-top: auto;
}

/* ================================
   Certifications Section
================================ */
.certifications-section {
    background: var(--white);
    padding: 50px 0;
    border-top: 1px solid var(--light);
    border-bottom: 1px solid var(--light);
}

.certifications-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.cert-item img {
    height: 60px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
}

.cert-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ================================
   Quick Inquiry Section
================================ */
.quick-inquiry-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
}

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

.inquiry-info {
    color: var(--white);
}

.inquiry-info h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.inquiry-info p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.inquiry-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.inquiry-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.inquiry-features i {
    color: var(--accent);
}

.inquiry-form-container {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ================================
   Inquiry Form
================================ */
.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

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

.form-submit {
    margin-top: 10px;
}

.form-submit .btn {
    width: 100%;
    padding: 15px;
    font-size: 1.125rem;
}

/* ================================
   Footer Styles
================================ */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
}

.footer-top {
    padding: 60px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

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

.footer-title {
    font-size: 1.125rem;
    color: var(--white);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.footer-contact i {
    color: var(--primary-light);
    width: 20px;
    text-align: center;
}

.footer-contact a {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
}

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

.copyright {
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ================================
   Page Templates
================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    margin-top: 110px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 15px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
}

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

.breadcrumb span {
    color: var(--accent);
}

/* ================================
   Product Detail Page
================================ */
.product-detail {
    padding: 60px 0;
}

.product-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.product-main-image {
    aspect-ratio: 1;
    background: var(--light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 40px;
}

.product-thumbnails {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.product-thumb {
    width: 80px;
    height: 80px;
    background: var(--light);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.product-info {
    padding: 20px 0;
}

.product-title {
    font-size: 2rem;
    margin-bottom: 20px;
}

.product-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--light);
}

.product-meta-item {
    font-size: 0.95rem;
}

.product-meta-item strong {
    color: var(--secondary);
}

.product-specs-table {
    width: 100%;
    margin-bottom: 30px;
    border-collapse: collapse;
}

.product-specs-table th,
.product-specs-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--light);
}

.product-specs-table th {
    background: var(--light);
    font-weight: 600;
    width: 30%;
}

.product-certifications {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.cert-badge i {
    color: var(--success);
}

.product-inquiry-form {
    background: var(--light);
    padding: 30px;
    border-radius: var(--radius-lg);
}

.product-inquiry-form h3 {
    margin-bottom: 20px;
}

/* ================================
   Contact Page
================================ */
.contact-section {
    padding: 80px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info-box {
    background: var(--primary);
    color: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.contact-info-box h3 {
    color: var(--white);
    margin-bottom: 30px;
}

.contact-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-list i {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-list h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--white);
}

.contact-list p {
    margin: 0;
    opacity: 0.9;
}

.contact-list a {
    color: var(--white);
}

.contact-list-link-item {
    margin: -10px -12px 15px;
}

.contact-list .contact-list-link {
    display: flex;
    width: 100%;
    gap: 20px;
    padding: 10px 12px;
    border-radius: 16px;
    text-decoration: none;
    transition: var(--transition);
}

.contact-list .contact-list-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.contact-list .contact-list-link p {
    color: var(--white);
}

.contact-form-box {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form-box h3 {
    margin-bottom: 30px;
}

.contact-map {
    margin-top: 60px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact-map iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ================================
   About Page
================================ */
.about-hero {
    padding: 80px 0;
}

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

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--secondary);
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
}

/* Factory Section */
.factory-section {
    background: var(--light);
    padding: 80px 0;
}

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

.factory-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.factory-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.factory-card-image {
    height: 200px;
    overflow: hidden;
}

.factory-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.factory-card:hover .factory-card-image img {
    transform: scale(1.1);
}

.factory-card-content {
    padding: 25px;
}

.factory-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.factory-card p {
    color: var(--secondary);
    font-size: 0.95rem;
}

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

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

/* Loading Animation */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark);
    color: var(--white);
    padding: 15px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--error);
}

/* ================================
   Mobile Navigation
================================ */
.mobile-navigation {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    z-index: 1001;
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-navigation.active {
    left: 0;
}

.mobile-nav-inner {
    padding: 20px;
}

.mobile-nav-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--light);
}

.mobile-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.mobile-nav a {
    display: block;
    padding: 15px;
    color: var(--dark);
    font-weight: 500;
    border-radius: var(--radius-md);
}

.mobile-nav a:hover {
    background: var(--light);
    color: var(--primary);
}

.mobile-nav-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--light);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 10px;
}

.lang-switcher a {
    padding: 5px 10px;
    color: var(--white);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-switcher a:hover,
.lang-switcher a.active {
    background: var(--primary);
}

/* ================================
   Popup Styles
================================ */
.inquiry-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.inquiry-popup.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.inquiry-popup.active .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
    z-index: 1;
}

.popup-close:hover {
    color: var(--dark);
}

.popup-body {
    padding: 40px;
}

/* ================================
   Admin Bar Adjustment
================================ */
body.admin-bar .site-header {
    top: 32px;
}

body.admin-bar .banner-slider {
    margin-top: 142px;
}

@media screen and (max-width: 782px) {
    body.admin-bar .site-header {
        top: 46px;
    }

    body.admin-bar .banner-slider {
        margin-top: 156px;
    }
}

/* ================================
   Industrial Premium Visual Upgrade
================================ */
body {
    background:
        radial-gradient(circle at top left, rgba(26, 86, 219, 0.08), transparent 32rem),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.main-header {
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
    backdrop-filter: blur(18px);
}

.main-navigation > ul,
.main-navigation .menu {
    align-items: center;
    gap: 8px;
    padding: 6px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(226, 232, 240, 0.7)),
        repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.04) 0 1px, transparent 1px 12px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.9), 0 14px 36px rgba(15, 23, 42, 0.08);
}

.main-navigation a {
    position: relative;
    isolation: isolate;
    min-height: 42px;
    padding: 11px 18px;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 999px;
    color: #334155;
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.main-navigation a::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: linear-gradient(135deg, #0f172a, #1d4ed8 62%, #f59e0b);
    opacity: 0;
    transition: var(--transition);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 7px;
    height: 2px;
    border-radius: 999px;
    background: #f59e0b;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.28s ease;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
    border-color: rgba(255, 255, 255, 0.35);
    background: transparent;
    color: #ffffff;
    box-shadow: 0 12px 26px rgba(29, 78, 216, 0.22);
    transform: translateY(-1px);
}

.main-navigation a:hover::before,
.main-navigation .current-menu-item > a::before,
.main-navigation .current_page_item > a::before {
    opacity: 1;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item > a::after,
.main-navigation .current_page_item > a::after {
    transform: scaleX(1);
}

.main-navigation .sub-menu {
    padding: 10px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
}

.main-navigation .sub-menu a {
    border-radius: 14px;
    color: #334155;
    text-transform: none;
    letter-spacing: 0.02em;
}

.mobile-navigation {
    background:
        radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.16), transparent 16rem),
        linear-gradient(180deg, #ffffff, #f1f5f9);
}

.mobile-nav a {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 15px 18px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 18px;
    background: rgba(255,255,255,0.72);
    color: #0f172a;
    font-weight: 850;
    letter-spacing: 0.04em;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.mobile-nav a::after {
    content: '\f061';
    margin-left: auto;
    color: #f59e0b;
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    opacity: 0.72;
}

.mobile-nav a:hover,
.mobile-nav .current-menu-item > a,
.mobile-nav .current_page_item > a {
    background: linear-gradient(135deg, #0f172a, #1d4ed8);
    color: #ffffff;
    transform: translateX(4px);
}

.banner-slider {
    background: #0b1220;
}

.banner-item {
    background-color: #0b1220;
    background-image:
        linear-gradient(135deg, rgba(11, 18, 32, 0.94), rgba(15, 23, 42, 0.78)),
        repeating-linear-gradient(135deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 16px);
}

.banner-item::before {
    background:
        radial-gradient(circle at 78% 38%, rgba(245, 158, 11, 0.24), transparent 18rem),
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.28), transparent 24rem),
        linear-gradient(90deg, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.68) 58%, rgba(15, 23, 42, 0.28) 100%);
}

.banner-content .container {
    max-width: 820px;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    margin-bottom: 18px;
    border: 1px solid rgba(245, 158, 11, 0.45);
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.banner-title {
    max-width: 780px;
    font-size: clamp(2.7rem, 6vw, 5.75rem);
    line-height: 0.95;
    letter-spacing: -0.055em;
    text-transform: uppercase;
    text-shadow: 0 28px 80px rgba(0,0,0,0.5);
}

.banner-subtitle {
    max-width: 650px;
    font-size: 1.18rem;
    color: rgba(255,255,255,0.82);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0 30px;
}

.hero-badges span {
    padding: 9px 13px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.58);
    color: #e5e7eb;
    font-size: 0.83rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

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

.hero-actions .btn,
.banner-content .btn {
    min-height: 52px;
    padding: 14px 26px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    box-shadow: 0 18px 40px rgba(0,0,0,0.24);
}

.hero-actions .btn-inquiry {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.advantages-section {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.advantages-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
}

.advantages-section .container {
    position: relative;
}

.advantage-item {
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.advantage-icon {
    border-radius: 24px;
    background: linear-gradient(135deg, #0f172a, #1d4ed8);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 18px 35px rgba(29, 78, 216, 0.25);
}

.featured-products-section,
.all-products-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.product-card {
    position: relative;
    border: 1px solid rgba(148, 163, 184, 0.24);
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.16), transparent 34%, rgba(245, 158, 11, 0.12));
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card-image {
    isolation: isolate;
    background:
        radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.92) 0 28%, rgba(226, 232, 240, 0.72) 29% 46%, transparent 47%),
        linear-gradient(145deg, rgba(15, 23, 42, 0.08), rgba(59, 130, 246, 0.12) 42%, rgba(245, 158, 11, 0.08)),
        repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.055) 0 1px, transparent 1px 13px),
        linear-gradient(180deg, #f1f5f9 0%, #dbe5ef 100%);
}

.product-card-image::before {
    content: '';
    position: absolute;
    inset: 14px;
    z-index: -1;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255,255,255,0.62), rgba(255,255,255,0.18));
}

.product-card-image::after {
    content: '';
    position: absolute;
    left: 18%;
    right: 18%;
    bottom: 11%;
    height: 18%;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.24), transparent 70%);
    filter: blur(10px);
}

.product-card-image img {
    filter: contrast(1.04) saturate(0.98) drop-shadow(0 18px 18px rgba(15, 23, 42, 0.18));
}

.product-card:hover .product-card-image img {
    filter: contrast(1.08) saturate(1) drop-shadow(0 24px 22px rgba(15, 23, 42, 0.22));
}

.product-card-meta,
.product-cert-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.product-category-tag,
.product-type-tag,
.product-cert-row span {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.product-category-tag {
    background: #0f172a;
    color: #ffffff;
}

.product-type-tag {
    background: rgba(26, 86, 219, 0.09);
    color: var(--primary-dark);
}

.product-cert-row span {
    border: 1px solid rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.09);
    color: #047857;
}

.product-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.product-specs span {
    margin-bottom: 0;
    padding: 8px 9px;
    border-radius: 10px;
    background: rgba(241, 245, 249, 0.9);
}

.product-specs .product-sizes-summary {
    grid-column: 1 / -1;
}

.product-price {
    font-size: 0.95rem;
    color: #0f172a;
}

.product-inquiry-btn {
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), #0f172a);
    box-shadow: 0 10px 22px rgba(26, 86, 219, 0.22);
}

.quick-inquiry-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 75% 25%, rgba(245, 158, 11, 0.26), transparent 22rem),
        linear-gradient(135deg, #020617 0%, #0f172a 48%, #1e3a8a 100%);
}

.quick-inquiry-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(135deg, rgba(255,255,255,0.055) 0 1px, transparent 1px 18px);
}

.quick-inquiry-section .container {
    position: relative;
}

.inquiry-info h2 {
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
    text-transform: uppercase;
}

.inquiry-features li {
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 14px;
    background: rgba(255,255,255,0.07);
}

.inquiry-form-container {
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.96);
    box-shadow: 0 32px 90px rgba(0,0,0,0.35);
}

@media screen and (max-width: 768px) {
    .hero-actions .btn {
        width: 100%;
    }

    .hero-badges span {
        width: 100%;
        justify-content: center;
    }

    .product-specs {
        grid-template-columns: 1fr;
    }
}