/*
Theme Name: KeruoPrinting
Theme URI: https://www.keruoprinting.com/
Author: KeruoPrinting
Author URI: https://www.keruoprinting.com/
Description: A professional WordPress theme for book printing and publishing services. Features include product showcase, customer reviews, FAQ accordion, order process steps, and responsive design.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
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: keruoprinting
Tags: printing, business, corporate, responsive, custom-menu, featured-images, translation-ready
*/

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

:root {
    --primary-color: #1a3a5c;
    --primary-dark: #0f2840;
    --secondary-color: #e8601c;
    --secondary-hover: #d4551a;
    --accent-color: #f7a825;
    --text-color: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --font-primary: 'Poppins', 'Segoe UI', sans-serif;
    --font-secondary: 'Open Sans', 'Segoe UI', sans-serif;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-secondary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-color);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===== Top Bar ===== */
.top-bar {
    background-color: var(--primary-dark);
    color: var(--text-white);
    padding: 8px 0;
    font-size: 0.85rem;
}

.top-bar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 24px;
}

.top-bar a {
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.top-bar .top-icon {
    font-size: 1rem;
}

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

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    padding-bottom: 12px;
}

.site-branding .site-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 800;
}

.site-branding .site-title span {
    color: var(--secondary-color);
}

.site-branding .site-logo-link {
    display: flex;
    align-items: center;
}

.site-branding .site-logo {
    height: 65px;
    width: auto;
    object-fit: contain;
}

.main-navigation ul {
    display: flex;
    gap: 32px;
}

.main-navigation a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

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

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-cta .btn-primary {
    padding: 10px 24px;
    font-size: 0.9rem;
}

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

.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    overflow: hidden;
    background: #f5f0e8;
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero-slides {
    position: relative;
    width: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
    z-index: 1;
}

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

/* Carousel Controls */
.hero-prev,
.hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-prev:hover,
.hero-next:hover {
    background: rgba(255, 255, 255, 0.4);
    border-color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.hero-prev {
    left: 20px;
}

.hero-next {
    right: 20px;
}

/* Carousel Indicators */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

.hero-indicator.active {
    background: #fff;
    border-color: #fff;
    transform: scale(1.2);
}

.hero-banner-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #1a1a2e;
}

.hero-banner-bg {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 600px;
    z-index: 1;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 600px;
    padding: 80px 0;
    color: var(--text-white);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-content h1 span {
    color: var(--accent-color);
}

.hero-content .hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 12px;
    opacity: 0.95;
    font-style: italic;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.hero-content .hero-desc {
    font-size: 1rem;
    margin-bottom: 8px;
    opacity: 0.9;
    line-height: 1.8;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.hero-content .hero-features {
    margin: 24px 0 36px;
}

.hero-content .hero-features li {
    margin-bottom: 8px;
    font-size: 1rem;
    padding-left: 24px;
    position: relative;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.hero-content .hero-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.hero-images {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    z-index: 1;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-card .product-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background-color: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

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

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

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

.product-card .product-title {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 12px;
}

.product-card .product-link {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.product-card .product-link:hover {
    color: var(--secondary-hover);
}

.products-cta {
    text-align: center;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

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

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

.about-text h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

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

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

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

.review-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.review-card:hover {
    box-shadow: var(--shadow-md);
}

.review-stars {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.review-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.review-text {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.review-author {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.reviews-rating {
    text-align: center;
    margin-bottom: 40px;
}

.reviews-rating .rating-score {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.reviews-rating .rating-label {
    font-size: 1rem;
    color: var(--text-light);
}

/* ===== Advantages Section ===== */
.advantages-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--text-white);
}

.advantages-section .section-title {
    color: var(--text-white);
}

.advantages-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

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

.advantage-card {
    text-align: center;
    padding: 36px 20px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: var(--transition);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(247, 168, 37, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.advantage-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--accent-color);
}

.advantage-card p {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.7;
}

/* ===== Services Section ===== */
.services-section {
    background-color: var(--bg-white);
}

.services-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.services-tabs .tab-btn {
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
    transition: var(--transition);
}

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

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.service-content .service-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.service-content .service-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.service-content .service-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===== Order Steps Section ===== */
.order-steps-section {
    background-color: var(--bg-light);
}

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

.step-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== FAQ Section ===== */
.faq-section {
    background-color: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    cursor: pointer;
    background: var(--bg-white);
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-color);
    transition: var(--transition);
}

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

.faq-question .faq-toggle {
    font-size: 1.4rem;
    font-weight: 300;
    transition: var(--transition);
    color: var(--secondary-color);
    min-width: 24px;
    text-align: center;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

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

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #f7a825 100%);
    color: var(--text-white);
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-white {
    display: inline-block;
    background: var(--bg-white);
    color: var(--secondary-color);
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
}

.cta-section .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 16px;
}

.footer-about .footer-logo span {
    color: var(--secondary-color);
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--secondary-color);
}

.footer-column h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-column ul a {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-column ul a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.footer-contact .contact-icon {
    color: var(--accent-color);
    min-width: 18px;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.85rem;
    opacity: 0.7;
}

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

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header .breadcrumb {
    font-size: 0.95rem;
    opacity: 0.8;
}

.page-header .breadcrumb a {
    color: var(--accent-color);
}

/* ===== Blog / Post Styles ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

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

.post-card .post-thumbnail {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.post-card .post-content {
    padding: 24px;
}

.post-card .post-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.post-card .post-title {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.post-card .post-title a:hover {
    color: var(--secondary-color);
}

.post-card .post-excerpt {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Single Post */
.single-post-content {
    max-width: 800px;
    margin: 0 auto;
}

.single-post-content .post-header {
    margin-bottom: 30px;
}

.single-post-content .post-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.single-post-content .entry-content {
    line-height: 1.9;
    color: var(--text-color);
}

.single-post-content .entry-content p {
    margin-bottom: 16px;
}

.single-post-content .entry-content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 30px 0 16px;
}

.single-post-content .entry-content img {
    border-radius: var(--radius-sm);
    margin: 20px 0;
}

/* ===== Sidebar ===== */
.sidebar .widget {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.sidebar .widget h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.sidebar .widget ul li {
    margin-bottom: 8px;
}

.sidebar .widget ul a {
    color: var(--text-light);
    font-size: 0.95rem;
}

.sidebar .widget ul a:hover {
    color: var(--secondary-color);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.pagination a:hover,
.pagination .current {
    background: var(--primary-color);
    color: var(--text-white);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .hero-content {
        padding: 40px 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        justify-content: center;
    }

    .menu-toggle {
        display: block;
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        box-shadow: var(--shadow-md);
        padding: 20px;
    }

    .main-navigation.active {
        display: block;
    }

    .main-navigation ul {
        flex-direction: column;
        gap: 0;
    }

    .main-navigation a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .header-cta .btn-primary {
        display: none;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-section {
        padding: 60px 0 80px;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .section-padding {
        padding: 50px 0;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

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

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

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

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

    .cta-section h2 {
        font-size: 1.6rem;
    }
}

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

    .hero-content h1 {
        font-size: 1.6rem;
    }

    .services-tabs {
        gap: 8px;
    }

    .services-tabs .tab-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

/* ============================================
   About Us Page Styles
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    background-color: var(--bg-light);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

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

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

.breadcrumb-list i {
    font-size: 0.7rem;
    color: var(--text-light);
}

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

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* About Intro */
.about-intro {
    padding: 80px 0;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-intro-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-intro-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

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

.about-intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* Our Story */
.our-story {
    background-color: var(--bg-light);
    padding: 80px 0;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
}

.story-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

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

.stat-card {
    text-align: center;
    color: var(--text-white);
    padding: 30px 20px;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Factory Section */
.factory-section {
    padding: 80px 0;
}

.factory-section h2 {
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 15px;
}

.factory-section > .container > p {
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 40px;
}

.factory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.factory-item {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.factory-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.factory-item:hover img {
    transform: scale(1.08);
}

.factory-item-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    color: var(--text-white);
    padding: 30px 15px 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Environmental Section */
.environmental {
    padding: 80px 0;
}

.environmental-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.environmental-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.environmental-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.eco-badges {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.eco-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    flex: 1;
}

.eco-badge img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.eco-badge-text h4 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.eco-badge-text p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.environmental-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.environmental-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* Why Choose Us - About Page */
.why-choose {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    color: var(--text-white);
}

.why-choose h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 15px;
}

.why-choose > .container > p {
    text-align: center;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 50px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.why-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.why-card-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #c44e15 100%);
    padding: 60px 0;
    text-align: center;
    color: var(--text-white);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta {
    padding: 14px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
}

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

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

.btn-cta-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

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

/* About Page Responsive */
@media (max-width: 992px) {
    .about-intro-grid,
    .environmental-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

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

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

    .eco-badges {
        flex-direction: column;
    }
}

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

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

/* ============================================
   Blog Page Styles
   ============================================ */

.blog-section {
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.blog-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

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

.blog-card-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.blog-card-date i {
    margin-right: 5px;
    color: var(--accent);
}

.blog-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card-title a:hover {
    color: var(--accent);
}

.blog-card-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.blog-card-readmore {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
}

.blog-card-readmore:hover {
    color: var(--accent-hover);
}

.blog-card-readmore i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.blog-card-readmore:hover i {
    transform: translateX(3px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination a {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}

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

.pagination span.current {
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
}

.pagination .prev, .pagination .next {
    padding: 0 20px;
}

/* Blog Responsive */
@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-section {
        padding: 50px 0;
    }
}

/* ============================================
   18. Product Detail Page Styles
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    background: #f8f9fa;
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #1a3a5c;
}

.breadcrumb a:hover {
    color: #e8601c;
}

.breadcrumb span {
    margin: 0 8px;
    color: #999;
}

/* Product Hero */
.product-hero {
    padding: 60px 0;
    background: #fff;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.product-gallery {
    position: relative;
}

.product-gallery-main {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.product-gallery-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.product-gallery-thumbs {
    display: flex;
    gap: 10px;
}

.product-gallery-thumbs img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.product-gallery-thumbs img:hover,
.product-gallery-thumbs img.active {
    border-color: #e8601c;
}

.product-info h1 {
    font-size: 36px;
    color: #1a3a5c;
    margin-bottom: 20px;
}

.product-description {
    color: #555;
    line-height: 1.8;
    margin-bottom: 15px;
}

.product-description p {
    margin-bottom: 15px;
}

.product-cta {
    display: inline-block;
    background: #e8601c;
    color: #fff;
    padding: 14px 36px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    margin-top: 20px;
    transition: background 0.3s;
}

.product-cta:hover {
    background: #d4551a;
    color: #fff;
}

.product-quick-links {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.product-quick-links a {
    padding: 8px 16px;
    background: #f0f4f8;
    border-radius: 20px;
    font-size: 13px;
    color: #1a3a5c;
    font-weight: 500;
    transition: all 0.3s;
}

.product-quick-links a:hover {
    background: #e8601c;
    color: #fff;
}

/* Product Section Grid */
.product-section-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* Product Responsive */
@media (max-width: 992px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .product-info h1 {
        font-size: 28px;
    }

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

    .product-hero {
        padding: 40px 0;
    }
}

/* ===== All Products Page ===== */
.all-products-section {
    padding: 60px 0 80px;
    background: #f8f9fa;
}

.product-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.category-tab {
    padding: 10px 24px;
    border: 2px solid #e0e0e0;
    border-radius: 30px;
    background: #fff;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* Sub-group sections */
.product-sub-group {
    margin-bottom: 50px;
}

.product-sub-group:last-child {
    margin-bottom: 0;
}

.sub-group-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e0e0e0;
}

.sub-group-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.sub-product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.sub-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.sub-product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sub-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.sub-product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    color: #ccc;
    font-size: 32px;
}

.sub-product-title {
    padding: 14px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    line-height: 1.4;
}

/* Responsive for All Products */
@media (max-width: 1200px) {
    .sub-group-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .sub-group-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .sub-group-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-category-tabs {
        gap: 8px;
        margin-bottom: 24px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .sub-product-title {
        padding: 12px 10px;
        font-size: 12px;
    }

    .sub-group-title {
        font-size: 20px;
        margin-bottom: 18px;
    }

    .product-sub-group {
        margin-bottom: 36px;
    }

    .all-products-section {
        padding: 40px 0 50px;
    }
}

@media (max-width: 480px) {
    .sub-group-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

/* ============================================
   What We Can Print Section
   ============================================ */
.what-we-print {
    padding: 80px 0;
    background: #ffffff;
}

.what-we-print h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 16px;
}

.what-we-print > .container > p {
    text-align: center;
    color: #666;
    max-width: 700px;
    margin: 0 auto 40px;
}

.print-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.print-tab {
    padding: 12px 28px;
    background: #f5f5f5;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.print-tab.active {
    background: #c41230;
    color: #fff;
}

.print-tab:hover {
    background: #c41230;
    color: #fff;
}

.print-category {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.print-category.active {
    display: grid;
}

.print-item {
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.print-item:hover {
    transform: translateY(-5px);
}

.print-item-image {
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
    background: #f5f5f5;
}

.print-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.print-item-name {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

@media (max-width: 992px) {
    .print-category {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .what-we-print {
        padding: 50px 0;
    }

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

    .print-tabs {
        gap: 8px;
        margin-bottom: 24px;
    }

    .print-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .print-item-name {
        font-size: 12px;
    }
}

/* Review Images */
.review-card img.review-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* ====================================
   Product Detail Page
   ==================================== */
.product-hero {
    padding: 50px 0;
    background: #fff;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 120px;
}

.product-gallery-main {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
}

.product-gallery-main img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.product-gallery-thumbs {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.product-gallery-thumbs img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.product-gallery-thumbs img.active,
.product-gallery-thumbs img:hover {
    border-color: #2563eb;
}

.product-info h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-description {
    color: #4b5563;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    margin-bottom: 30px;
}

.product-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    color: #fff;
}

.product-quick-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.product-quick-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.product-quick-links a:hover {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #2563eb;
}

/* Section styling for product detail */
.section {
    padding: 60px 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: #6b7280;
    font-size: 16px;
    margin-bottom: 40px;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
}

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

.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #1a1a2e;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
    color: #1a1a2e;
}

.btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.5);
    transition: all 0.3s;
}

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

/* Breadcrumb */
.breadcrumb {
    background: #f8fafc;
    padding: 16px 0;
    border-bottom: 1px solid #e5e7eb;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: #9ca3af;
}

/* ====================================
   Product Detail Content Sections
   ==================================== */

/* Overview Section */
.overview-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: start;
}

.overview-text p {
    color: #4b5563;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    font-size: 14px;
    color: #374151;
    font-weight: 500;
}

.feature-item i {
    color: #10b981;
    font-size: 16px;
    flex-shrink: 0;
}

.overview-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    background: #f8f9fa;
}

.overview-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Specs Table */
.specs-table-wrapper {
    overflow-x: auto;
    max-width: 800px;
    margin: 0 auto;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.specs-table thead {
    background: linear-gradient(135deg, #1a1a2e, #2563eb);
    color: #fff;
}

.specs-table th {
    padding: 14px 20px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
}

.specs-table td {
    padding: 12px 20px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
    color: #4b5563;
}

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

.specs-table tr:nth-child(even) td {
    background: #f9fafb;
}

.specs-table tr:hover td {
    background: #eff6ff;
}

/* Materials Grid */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.material-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.material-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.material-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a1a2e, #2563eb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.material-icon i {
    font-size: 22px;
    color: #fff;
}

.material-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 14px;
}

.material-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.material-card ul li {
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
}

.material-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.option-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.option-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border-color: #2563eb;
}

.option-icon {
    font-size: 32px;
    color: #2563eb;
    margin-bottom: 14px;
}

.option-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.option-card p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

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

.faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 12px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: #93c5fd;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    transition: all 0.3s;
}

.faq-question i {
    font-size: 14px;
    transition: transform 0.3s;
    color: #9ca3af;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: #2563eb;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 18px;
}

.faq-answer p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

/* Why Choose Grid */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px 24px;
    text-align: center;
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
}

.why-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.why-icon {
    font-size: 36px;
    color: #2563eb;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

.section.bg-light {
    background: #f9fafb;
}

.section.bg-white {
    background: #fff;
}

/* Product detail responsive */
@media (max-width: 991px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-gallery {
        position: static;
    }

    .product-gallery-main img {
        max-height: 350px;
    }

    .product-info h1 {
        font-size: 26px;
    }

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

    .overview-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

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

@media (max-width: 768px) {
    .product-hero {
        padding: 30px 0;
    }

    .product-info h1 {
        font-size: 22px;
    }

    .cta-section {
        padding: 50px 0;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    .product-cta {
        width: 100%;
        justify-content: center;
    }

    .overview-features {
        grid-template-columns: 1fr;
    }

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

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

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

    .specs-table {
        font-size: 13px;
    }

    .specs-table th,
    .specs-table td {
        padding: 10px 12px;
    }
}