/*
Theme Name: BuildMart
Theme URI: https://buildmart.example.com
Author: BuildMart Team
Author URI: https://buildmart.example.com
Description: Professional B2B building materials WordPress theme. Features product catalog with categories, industry news, FAQ system, contact forms, SEO optimization with Schema markup (star ratings), and responsive design. Designed for international building materials suppliers and traders.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: buildmart
Tags: b2b, building-materials, e-commerce, responsive, seo-ready, schema-markup

BuildMart - Professional B2B Building Materials Theme
*/

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

:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2740;
    --color-primary-light: #2a5a8c;
    --color-secondary: #e8792b;
    --color-secondary-dark: #c96420;
    --color-secondary-light: #f09048;
    --color-neutral-dark: #1f2937;
    --color-neutral: #4b5563;
    --color-neutral-light: #f8f9fa;
    --color-border: #e5e7eb;
    --color-success: #059669;
    --color-star: #f59e0b;
    --color-white: #ffffff;
    --color-error: #dc2626;

    --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-hero: 48px;
    --font-size-h1: 36px;
    --font-size-h2: 28px;
    --font-size-h3: 22px;
    --font-size-body: 16px;
    --font-size-small: 14px;
    --font-size-xs: 12px;

    --max-width: 1280px;
    --gutter: 24px;
    --border-radius: 8px;
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;

    --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-hover: 0 14px 28px rgba(0, 0, 0, 0.12), 0 10px 10px rgba(0, 0, 0, 0.08);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--color-neutral-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-neutral-dark);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p { margin-bottom: 1em; }

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: var(--font-size-body);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
    gap: 8px;
}

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

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

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

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

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: var(--font-size-small);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 18px;
}

/* ===== Header / Navigation ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-normal);
}

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

.header-top {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8px 0;
    font-size: var(--font-size-small);
}

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

.header-top a {
    color: var(--color-white);
    opacity: 0.9;
}

.header-top a:hover {
    opacity: 1;
}

.header-main {
    padding: 16px 0;
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.site-logo img {
    height: 40px;
    width: auto;
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-navigation .menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.main-navigation .menu li {
    position: relative;
}

.main-navigation .menu a {
    display: block;
    padding: 10px 16px;
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-neutral-dark);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

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

/* Dropdown menu */
.main-navigation .menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-normal);
    list-style: none;
    z-index: 100;
}

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

.main-navigation .menu .sub-menu a {
    padding: 10px 20px;
    border-radius: 0;
    font-size: var(--font-size-small);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-search {
    position: relative;
}

.header-search input {
    padding: 10px 40px 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    width: 240px;
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

.header-search button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-neutral);
    padding: 4px;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-neutral-dark);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 39, 64, 0.92) 0%, rgba(26, 58, 92, 0.78) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    color: var(--color-white);
    padding: 80px 0;
}

.hero-content h1 {
    font-size: var(--font-size-hero);
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}

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

/* ===== Hero Carousel ===== */
.hero-slider-active {
    padding: 0;
}

.hero-carousel {
    position: relative;
    width: 100%;
    min-height: 560px;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
    position: relative;
}

.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 39, 64, 0.92) 0%, rgba(26, 58, 92, 0.78) 100%);
}

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

/* Carousel Navigation */
.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.hero-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: #fff;
}

.hero-nav-prev {
    left: 24px;
}

.hero-nav-next {
    right: 24px;
}

/* Carousel Dots */
.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.hero-dot.active,
.hero-dot:hover {
    background: #fff;
    border-color: #fff;
}

/* Carousel responsive */
@media (max-width: 1024px) {
    .hero-carousel {
        min-height: 420px;
    }

    .hero-nav {
        width: 40px;
        height: 40px;
    }

    .hero-nav-prev { left: 16px; }
    .hero-nav-next { right: 16px; }
}

@media (max-width: 768px) {
    .hero-carousel {
        min-height: 320px;
    }

    .hero-nav {
        width: 36px;
        height: 36px;
    }

    .hero-nav-prev { left: 10px; }
    .hero-nav-next { right: 10px; }

    .hero-dots {
        bottom: 20px;
    }

    .hero-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .hero-carousel {
        min-height: 280px;
    }

    .hero-nav {
        display: none;
    }
}

/* ===== Section Styles ===== */
.section {
    padding: 80px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    margin-bottom: 12px;
}

.section-header p {
    font-size: 18px;
    color: var(--color-neutral);
    max-width: 600px;
    margin: 0 auto;
}

.section-header .subtitle {
    display: inline-block;
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

/* ===== Product Cards ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--gutter);
}

.product-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.product-card-image {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
    background-color: var(--color-neutral-light);
}

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

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

.product-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

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

.product-card-category {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.product-card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

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

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

.product-card-desc {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
    margin-bottom: 12px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.product-card-moq {
    font-size: var(--font-size-xs);
    color: var(--color-neutral);
}

.product-card-rating {
    display: flex;
    align-items: center;
    gap: 4px;
}

.star-rating {
    display: inline-flex;
    gap: 2px;
    color: var(--color-star);
}

.star-rating .star {
    font-size: 14px;
}

.star-rating .star.empty {
    color: var(--color-border);
}

.rating-count {
    font-size: var(--font-size-xs);
    color: var(--color-neutral);
}

/* ===== Category Cards ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.category-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-neutral-light);
    border-radius: 50%;
    color: var(--color-primary);
}

.category-card-icon svg {
    width: 32px;
    height: 32px;
}

.category-card h3 {
    font-size: var(--font-size-body);
    font-weight: 600;
    margin-bottom: 4px;
}

.category-card p {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
}

/* ===== News Cards ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--gutter);
}

.news-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.news-card-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.news-card-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-body {
    padding: 24px;
}

.news-card-date {
    font-size: var(--font-size-xs);
    color: var(--color-neutral);
    margin-bottom: 8px;
}

.news-card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

.news-card-excerpt {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== FAQ Section ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--color-white);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-body);
    transition: background-color var(--transition-fast);
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-primary);
    color: var(--color-neutral-dark);
}

.faq-question:hover {
    background-color: var(--color-neutral-light);
}

.faq-question .faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: transform var(--transition-slow);
    color: var(--color-primary);
}

.faq-item.active .faq-question .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--color-neutral);
    line-height: 1.7;
}

/* ===== Contact Form ===== */
.contact-form {
    max-width: 640px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: var(--font-size-small);
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-neutral-dark);
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-body);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

textarea.form-control {
    min-height: 140px;
    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='%234b5563' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.form-message {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: var(--font-size-small);
}

.form-message.success {
    background-color: #ecfdf5;
    color: var(--color-success);
    border: 1px solid #a7f3d0;
}

.form-message.error {
    background-color: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--color-neutral-dark);
    color: #ffffff;
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: var(--font-size-small);
    line-height: 1.7;
    margin-top: 16px;
    color: #ffffff;
    opacity: 0.8;
}

.footer-heading {
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #ffffff;
    font-size: var(--font-size-small);
    transition: opacity var(--transition-fast);
    text-decoration: none;
}

.footer-links a:hover {
    opacity: 0.8;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: var(--font-size-small);
}

.footer-contact-item svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 3px;
    color: var(--color-secondary);
}

.footer-contact-item a {
    color: #ffffff;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.footer-contact-item a:hover {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-small);
    opacity: 0.7;
}

.footer-bottom a {
    color: #ffffff;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.footer-bottom a:hover {
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: #ffffff;
    transition: opacity var(--transition-fast);
}

.footer-social a:hover {
    opacity: 0.7;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    padding: 16px 0;
    font-size: var(--font-size-small);
    color: var(--color-neutral);
}

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

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

.breadcrumb .separator {
    margin: 0 8px;
    opacity: 0.5;
}

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

/* ===== Page Header ===== */
.page-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    font-size: var(--font-size-h1);
    margin-bottom: 12px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Product Detail ===== */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px 0;
}

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

.product-gallery-main {
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 12px;
    background: var(--color-neutral-light);
}

.product-gallery-main img {
    width: 100%;
    height: auto;
}

.product-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.product-gallery-thumbs img {
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

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

.product-info h1 {
    font-size: var(--font-size-h1);
    margin-bottom: 16px;
}

.product-meta-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    font-size: var(--font-size-small);
    color: var(--color-neutral);
}

.product-price-range {
    font-size: var(--font-size-h2);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.product-short-desc {
    font-size: var(--font-size-body);
    color: var(--color-neutral);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-specs {
    margin-bottom: 24px;
}

.product-specs table {
    width: 100%;
    border-collapse: collapse;
}

.product-specs th,
.product-specs td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-small);
}

.product-specs th {
    font-weight: 600;
    color: var(--color-neutral-dark);
    width: 35%;
    background: var(--color-neutral-light);
}

.product-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* ===== Tabs ===== */
.product-tabs {
    margin-top: 48px;
}

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    gap: 0;
}

.tab-nav button {
    padding: 14px 28px;
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--color-neutral);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

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

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

.tab-content {
    padding: 32px 0;
}

.tab-panel {
    display: none;
}

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

/* ===== About Page ===== */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 48px 0;
}

.stat-item {
    text-align: center;
    padding: 32px 20px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-content img {
    border-radius: var(--border-radius);
}

/* ===== Contact Page ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-cards {
    display: grid;
    gap: 20px;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--color-neutral-light);
    border-radius: var(--border-radius);
}

.contact-info-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 50%;
    color: var(--color-white);
}

.contact-info-card h4 {
    font-size: var(--font-size-body);
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
    margin: 0;
}

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

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-neutral-dark);
    transition: all var(--transition-fast);
}

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

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

/* ===== Sidebar / Filters ===== */
.archive-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
}

.sidebar .widget {
    margin-bottom: 32px;
    padding: 24px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.sidebar .widget-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar .category-list {
    list-style: none;
}

.sidebar .category-list li {
    margin-bottom: 8px;
}

.sidebar .category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: var(--font-size-small);
    color: var(--color-neutral-dark);
    transition: all var(--transition-fast);
}

.sidebar .category-list a:hover,
.sidebar .category-list .current a {
    background: var(--color-neutral-light);
    color: var(--color-primary);
}

.sidebar .category-list .count {
    font-size: var(--font-size-xs);
    color: var(--color-neutral);
    background: var(--color-neutral-light);
    padding: 2px 8px;
    border-radius: 10px;
}

/* ===== Trust Badges ===== */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-badge {
    text-align: center;
    padding: 20px;
}

.trust-badge-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: var(--color-primary);
}

.trust-badge h4 {
    font-size: var(--font-size-body);
    font-weight: 600;
    margin-bottom: 4px;
}

.trust-badge p {
    font-size: var(--font-size-small);
    color: var(--color-neutral);
    margin: 0;
}

/* ===== CTA Section ===== */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 64px 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 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);
}

/* ===== Responsive ===== */

/* Tablet: header becomes hamburger mode */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .archive-layout {
        grid-template-columns: 1fr;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Hero tablet */
    .hero-section {
        min-height: 420px;
    }

    .hero-content {
        padding: 48px 0;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 16px;
        margin-bottom: 24px;
    }

    /* Header tablet fixes */
    .header-top {
        display: none;
    }

    .header-main .container {
        gap: 12px;
    }

    .main-navigation {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        z-index: 9999;
        flex-direction: column;
        padding: 80px 24px 24px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .main-navigation.open {
        display: flex;
    }

    .main-navigation .menu {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

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

    .main-navigation .menu a {
        padding: 16px 0;
        font-size: 17px;
    }

    .main-navigation .menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 0 0 16px;
        min-width: 0;
        display: none;
        transition: none;
    }

    .main-navigation .menu .sub-menu.sub-menu--open {
        display: block;
    }

    .main-navigation .menu .sub-menu a {
        padding: 12px 0;
        font-size: 15px;
        border-bottom: 1px solid var(--color-border);
    }

    .main-navigation .menu .sub-menu .sub-menu {
        padding-left: 16px;
    }

    .main-navigation .menu .sub-menu .sub-menu a {
        font-size: 14px;
        color: #6b7280;
    }

    /* Sub-menu toggle arrow */
    .main-navigation .menu .menu-item-has-children > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .main-navigation .menu .menu-item-has-children > a::after {
        content: '';
        display: inline-block;
        width: 8px;
        height: 8px;
        border-right: 2px solid #9ca3af;
        border-bottom: 2px solid #9ca3af;
        transform: rotate(45deg);
        transition: transform 0.2s ease;
        flex-shrink: 0;
        margin-left: 8px;
    }

    .main-navigation .menu .menu-item-has-children.sub-open > a::after {
        transform: rotate(-135deg);
    }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10000;
    }

    .header-search {
        display: none;
    }

    /* Close button for mobile nav */
    .main-navigation.open::after {
        content: '\2715';
        position: fixed;
        top: 20px;
        right: 20px;
        font-size: 28px;
        color: var(--color-neutral-dark);
        z-index: 10001;
        cursor: pointer;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--color-neutral-light);
    }
}

/* Mobile: further refinements */
@media (max-width: 768px) {
    :root {
        --font-size-hero: 32px;
        --font-size-h1: 28px;
        --font-size-h2: 24px;
        --font-size-h3: 20px;
    }

    .header-main {
        padding: 12px 0;
    }

    .site-logo {
        font-size: 20px;
    }

    .site-logo img {
        height: 32px;
    }

    .btn-sm.header-cta {
        padding: 8px 12px;
        font-size: 13px;
        white-space: nowrap;
    }

    .hero-section {
        min-height: 320px;
    }

    .hero-content {
        padding: 32px 0;
    }

    .hero-content h1 {
        font-size: var(--font-size-hero);
        margin-bottom: 12px;
    }

    .hero-content p {
        font-size: 15px;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .hero-actions {
        gap: 12px;
    }

    .hero-actions .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .section {
        padding: 48px 0;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .product-actions {
        flex-direction: column;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-badges {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .hero-section {
        min-height: 280px;
    }

    .hero-content {
        padding: 24px 0;
    }

    .hero-content h1 {
        font-size: 26px;
        margin-bottom: 10px;
    }

    .hero-content p {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 10px;
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }

    .header-main .container {
        gap: 8px;
    }

    .btn-sm.header-cta {
        padding: 6px 10px;
        font-size: 12px;
    }
}

/* ===== WordPress Specific ===== */
.wp-block-group.alignwide {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.wp-block-group.alignfull {
    width: 100%;
    padding: 0;
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ===== Verified Badge ===== */
.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-success);
    font-weight: 600;
}

.verified-badge svg {
    width: 14px;
    height: 14px;
}

/* ===== Inquiry Float Button ===== */
.float-inquiry {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    background: var(--color-secondary);
    color: var(--color-white);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.float-inquiry:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

.float-inquiry svg {
    width: 24px;
    height: 24px;
}