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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.main-navigation {
    background: var(--bg-white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-logo {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.lang-button {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.lang-button:hover {
    background: var(--border-color);
}

.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.introduction-section {
    background: var(--bg-white);
}

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

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.intro-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.key-points {
    list-style: none;
    margin-top: 2rem;
}

.key-points li {
    padding: 0.75rem 0;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--border-color);
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.featured-topics {
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.topic-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.topic-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.topic-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.topic-card p {
    color: var(--text-light);
}

.statistics-section {
    background: var(--bg-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-box {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border-radius: 12px;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

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

.latest-posts-preview {
    background: var(--bg-light);
}

.posts-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.preview-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.preview-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.preview-content {
    padding: 1.5rem;
}

.preview-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--secondary-color);
}

.view-all-posts {
    text-align: center;
    margin-top: 3rem;
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.header-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.blog-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-intro h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.blog-grid {
    display: grid;
    gap: 3rem;
}

.blog-post-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: 400px 1fr;
    transition: box-shadow 0.3s;
}

.blog-post-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

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

.post-content {
    padding: 2rem;
}

.post-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.post-category {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.post-highlights {
    list-style: none;
    margin: 1rem 0;
}

.post-highlights li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

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

.read-more-btn {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.read-more-btn:hover {
    color: var(--secondary-color);
}

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

.mission-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

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

.value-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.team-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--text-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-bio {
    color: var(--text-light);
    font-size: 0.95rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-box {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

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

.info-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-block {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

.additional-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq-section {
    margin-top: 4rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    position: relative;
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.modal-btn {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 1rem;
}

.post-article {
    background: var(--bg-white);
}

.post-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 2rem;
}

.post-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.post-meta-top {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.post-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 1.5rem;
}

.post-author {
    display: flex;
    gap: 2rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.post-featured-image {
    max-width: 1200px;
    margin: -3rem auto 0;
    padding: 0 2rem;
}

.post-featured-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.post-content-wrapper {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

.post-toc {
    position: sticky;
    top: 100px;
    align-self: start;
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    height: fit-content;
}

.post-toc h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-toc ul {
    list-style: none;
}

.post-toc li {
    padding: 0.5rem 0;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

.post-toc li:hover {
    color: var(--primary-color);
}

.post-main-content {
    max-width: 800px;
}

.intro-paragraph {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.post-main-content h2 {
    font-size: 2rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-dark);
}

.post-main-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-dark);
}

blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
}

.post-conclusion {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
}

.post-conclusion h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

.site-footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    padding: 0.25rem 0;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.company-registration {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-top: 1rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    opacity: 0.7;
}

.cookie-consent {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    z-index: 1500;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

.cookie-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    align-items: center;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.3s;
}

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

.cookie-btn.decline {
    background: var(--bg-light);
    color: var(--text-dark);
}

.cookie-btn:hover {
    opacity: 0.9;
}

.cookie-link {
    color: var(--primary-color);
    text-decoration: none;
}

@media (max-width: 968px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .intro-grid,
    .mission-grid,
    .blog-post-card {
        grid-template-columns: 1fr;
    }
    
    .topics-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid,
    .posts-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .post-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .post-toc {
        position: relative;
        top: 0;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hero-section h1,
    .page-header h1 {
        font-size: 2rem;
    }
    
    .topics-grid,
    .stats-grid,
    .posts-preview-grid,
    .features-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .mission-values {
        grid-template-columns: 1fr;
    }
}