/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --black: #000000;
    
    --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif;
    --font-family-serif: "Noto Serif KR", Georgia, serif;
    
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    --transition: all 0.15s ease-in-out;
    
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

body {
    font-family: var(--font-family-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

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

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

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

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

/* Section */
.section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: var(--transition);
    user-select: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

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

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

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

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

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

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

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-list a {
    color: var(--dark-color);
    font-weight: 500;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    text-decoration: none;
}

.header-actions {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 2px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
}

/* Company Info Section */
.company-info {
    background-color: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--secondary-color);
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

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

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

.product-image svg,
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.product-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Services Section */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Reviews Section */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.review-rating {
    margin-bottom: 1rem;
}

.stars {
    color: #ffc107;
    font-size: 1.2rem;
}

.review-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.review-author h4 {
    margin-bottom: 0.25rem;
    color: var(--dark-color);
    font-size: 1rem;
}

.review-author span {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.newsletter-text h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
    display: flex;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--secondary-color);
    margin: 0;
}

.contact-form {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

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

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.9rem;
}

/* Blog Styles */
.blog-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.blog-hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.blog-hero-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

.featured-article {
    background-color: var(--light-color);
}

.featured-article-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.featured-badge {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.blog-categories .categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.category-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.category-count {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.recent-articles .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

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

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

.article-image svg,
.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-category {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.article-content h3 {
    margin-bottom: 1rem;
}

.article-content h3 a {
    color: var(--dark-color);
    text-decoration: none;
}

.article-content h3 a:hover {
    color: var(--primary-color);
}

.article-meta {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.article-meta span {
    margin-right: 1rem;
}

/* Blog Article Styles */
.blog-article {
    padding: 2rem 0;
}

.article-header {
    margin-bottom: 3rem;
}

.breadcrumb {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.article-hero-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
}

.article-hero-image svg,
.article-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.article-intro .lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius-lg);
}

.article-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.article-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.article-footer {
    border-top: 1px solid #eee;
    padding-top: 2rem;
    margin-top: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.tags span {
    font-weight: 600;
    margin-right: 0.5rem;
}

.tags a {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    text-decoration: none;
    margin-right: 0.5rem;
    transition: var(--transition);
}

.tags a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
}

.share-buttons span {
    font-weight: 600;
    margin-right: 0.5rem;
}

.share-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    text-decoration: none;
    margin-right: 0.5rem;
    transition: var(--transition);
}

.share-btn.facebook {
    background-color: #1877f2;
    color: var(--white);
}

.share-btn.twitter {
    background-color: #1da1f2;
    color: var(--white);
}

.share-btn.kakao {
    background-color: #fee500;
    color: var(--dark-color);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-top: 1px solid #ddd;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    padding: 1.5rem 0;
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-text h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.cookie-text p {
    color: var(--secondary-color);
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-policy-link {
    color: var(--primary-color);
    font-size: 0.9rem;
    text-decoration: underline;
}

/* Cookie Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    margin: 0;
    color: var(--dark-color);
}

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

.modal-body {
    padding: 1.5rem;
}

.cookie-category {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition);
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input:disabled + .slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.cookie-info h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.cookie-info p {
    color: var(--secondary-color);
    margin: 0;
    font-size: 0.9rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #eee;
    text-align: right;
}

/* Legal Pages */
.legal-page {
    padding: 2rem 0;
    background-color: var(--light-color);
}

.legal-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
}

.legal-updated {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.legal-content {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    color: var(--dark-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.legal-section h3 {
    color: var(--dark-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.legal-table th,
.legal-table td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid #ddd;
}

.legal-table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
}

.legal-table td {
    color: var(--secondary-color);
}

.table-responsive {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.contact-info {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
}

.legal-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    color: var(--secondary-color);
}

/* Thank You Page */
.thank-you {
    text-align: center;
    padding: 4rem 0;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
}

.thank-you-icon {
    color: var(--success-color);
    margin-bottom: 2rem;
}

.thank-you-message {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.thank-you-benefits {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
    text-align: left;
}

.thank-you-benefits h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.thank-you-benefits ul {
    list-style: none;
    padding: 0;
}

.thank-you-benefits li {
    padding: 0.5rem 0;
    color: var(--secondary-color);
    position: relative;
    padding-left: 1.5rem;
}

.thank-you-benefits li::before {
    content: "✓";
    color: var(--success-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.thank-you-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Cookie Settings Info */
.cookie-settings-info {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.cookie-settings-info h4 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .header-actions {
        display: block;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .featured-article-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .article-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .legal-content {
        padding: 2rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .thank-you-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .features-grid,
    .products-grid,
    .services-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .legal-content {
        padding: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .modal,
    .share-buttons,
    .newsletter {
        display: none !important;
    }
    
    .article-content {
        max-width: none;
    }
    
    a {
        text-decoration: underline;
    }
    
    .legal-content {
        box-shadow: none;
        padding: 0;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --secondary-color: #333333;
        --light-color: #ffffff;
        --dark-color: #000000;
    }
    
    .btn-outline {
        border-width: 2px;
    }
    
    .feature-card,
    .product-card,
    .service-card,
    .review-card {
        border: 2px solid var(--dark-color);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

/* Additional Blog Article Specific Styles */
.feature-analysis,
.test-results,
.benchmark-results,
.battery-test,
.ai-features,
.pros-cons,
.comparison-table,
.purchase-tips,
.conclusion,
.final-score,
.oled-advantages,
.series-info,
.size-guide,
.picture-settings,
.gaming-features,
.faq-section,
.recommendation-summary,
.korean-smarthome-advantages,
.construction-phases,
.smart-doorlock,
.smart-lighting,
.ai-speakers,
.smart-appliances,
.washing-machines,
.security-cameras,
.integrated-security,
.smart-plugs,
.energy-monitoring,
.wifi-routers,
.mesh-network,
.platform-comparison,
.installation-options,
.installation-steps,
.morning-scenario,
.leaving-scenario,
.coming-home-scenario,
.bedtime-scenario,
.budget-plans,
.cost-saving-tips,
.security-concerns,
.troubleshooting,
.success-factors {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius-lg);
}

.feature-item,
.test-item,
.benchmark-item,
.usage-scenario,
.ai-feature,
.pros,
.cons,
.tip,
.advantage-item,
.phase-item,
.product-item,
.speaker-item,
.appliance-category,
.washer-features,
.camera-placement,
.placement-item,
.plug-item,
.router-item,
.platform-item,
.installation-type,
.step-item,
.forecast-item,
.launch-item,
.recommendation-item,
.budget-tier,
.problem-solution {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.score-breakdown {
    margin-top: 1rem;
}

.score-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.score-item.total-score {
    border-top: 2px solid var(--primary-color);
    border-bottom: none;
    margin-top: 1rem;
    font-size: 1.1rem;
}

.comparison th,
.comparison td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid #ddd;
}

.comparison th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.statistics-grid,
.market-share,
.ai-applications,
.ev-components,
.display-innovation,
.government-support,
.talent-shortage,
.market-forecast,
.product-launches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-item,
.share-item,
.ai-category,
.component-category,
.display-tech,
.support-area,
.shortage-area,
.forecast-item,
.launch-item {
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-item h4,
.share-item h4,
.ai-category h4,
.component-category h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.company-strategy,
.xr-development,
.smart-home-growth,
.tech-trend,
.china-competition,
.us-relationship,
.consumer-trends,
.sustainability-focus,
.subscription-model,
.digital-new-deal,
.supply-chain-risks,
.standard-competition {
    margin: 2rem 0;
}

.xr-strategy,
.growth-factor,
.trend-item,
.competition-area,
.price-category {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.key-success-factors {
    background-color: var(--success-color);
    color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
}

.key-success-factors h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.key-success-factors li {
    color: rgba(255, 255, 255, 0.9);
}

/* Animation for loading states */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}