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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav {
    padding: 1rem 0;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: #333;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #667eea;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2rem;
}

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

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-placeholder,
.image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    color: white;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.hero-emoji,
.image-emoji {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

/* Video Section */
.video-section {
    padding: 80px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 3rem;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* About Section */
.about-section {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    color: #667eea;
    margin-top: 2rem;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

/* Concept Section */
.concept-section {
    padding: 80px 0;
}

.concept-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.concept-highlights {
    margin-top: 2rem;
}

.highlight {
    background: #f0f4ff;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid #667eea;
}

/* Breed Section */
.breed-section {
    padding: 80px 0;
    background: #f8fafc;
}

.breed-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 2rem;
}

.breed-text ul {
    list-style: disc;
    margin-left: 2rem;
}

.breed-text li {
    margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background: white;
    color: #667eea;
}

.cta-section .btn-primary:hover {
    background: #f8fafc;
}

/* Blog Styles */
.blog-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: center;
}

.blog-title {
    font-size: 3rem;
    color: #2d3748;
    margin-bottom: 1rem;
}

.blog-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
}

.blog-posts {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-post {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.blog-post::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-post:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.blog-post:hover::before {
    opacity: 1;
}

.blog-post.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    max-width: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.blog-post.featured .post-content {
    background: rgba(255, 255, 255, 0.95);
    color: #2d3748;
}

.post-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
    overflow: hidden;
}

.post-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.blog-post:hover .post-image::after {
    transform: translateX(100%);
}

.featured .post-image {
    height: auto;
    min-height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.image-placeholder {
    text-align: center;
    padding: 2rem;
}

.image-placeholder .image-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.image-placeholder p {
    font-weight: 600;
    color: #667eea;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
}

.featured .image-placeholder p {
    color: rgba(255, 255, 255, 0.9);
}

.post-content {
    padding: 2rem;
    position: relative;
}

.post-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: #666;
    align-items: center;
}

.post-date {
    color: #718096;
    font-weight: 500;
}

.post-category {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.post-title {
    color: #2d3748;
    margin-bottom: 1rem;
    line-height: 1.4;
    font-weight: 700;
}

.featured .post-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.post-excerpt {
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.6;
    font-size: 1rem;
}

.read-more {
    color: #667eea;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.read-more::after {
    content: '→';
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
    transform: translateX(5px);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 4rem;
}

.pagination-link {
    padding: 1rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    color: #4a5568;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    background: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.pagination-link:hover,
.pagination-link.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* Newsletter Section */
.newsletter-section {
    padding: 60px 0;
    background: #2d3748;
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    max-width: 400px;
    margin: 2rem auto 0;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-form button {
    white-space: nowrap;
}

/* Ad Sections */
.ad-section {
    padding: 2rem 0;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.ad-banner {
    text-align: center;
    max-width: 728px;
    margin: 0 auto;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-ad {
    margin: 2rem auto;
    text-align: center;
    max-width: 300px;
    min-height: 250px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* In-content Ad */
.in-content-ad {
    margin: 2rem 0;
    text-align: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #667eea;
}

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

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

.footer-section a {
    color: #cbd5e0;
}

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

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 2rem;
    text-align: center;
    color: #cbd5e0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content,
    .concept-content,
    .breed-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .blog-post.featured {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .blog-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .blog-title {
        font-size: 2rem;
    }
    
    .hero-placeholder,
    .image-placeholder {
        padding: 2rem;
    }
    
    .hero-emoji,
    .image-emoji {
        font-size: 3rem;
    }
    
    .feature-card,
    .post-content {
        padding: 1.5rem;
    }
    
    /* Responsive Ad Adjustments */
    .ad-section {
        padding: 1rem 0;
    }
    
    .ad-banner {
        max-width: 300px;
        min-height: 50px;
    }
    
    .sidebar-ad {
        max-width: 300px;
        min-height: 250px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Article Styles */
.article-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.breadcrumb {
    font-size: 0.875rem;
    color: #4a5568;
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: #667eea;
}

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

.article-title {
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    color: #666;
    flex-wrap: wrap;
}

.article-category {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.article-image {
    margin-top: 2rem;
}

.article-image-section {
    margin: 2rem 0;
    text-align: center;
}

.article-image-section .article-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    display: block;
}

.image-caption {
    font-size: 0.875rem;
    color: #6b7280;
    font-style: italic;
    margin-top: 0.75rem;
    margin-bottom: 0;
}

.article-content {
    padding: 80px 0;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-body .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.article-body h2 {
    font-size: 1.875rem;
    color: #2d3748;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.article-body h3 {
    font-size: 1.5rem;
    color: #4a5568;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-body h4 {
    font-size: 1.25rem;
    color: #4a5568;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.article-body ul, .article-body ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.article-body blockquote {
    border-left: 4px solid #667eea;
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: #4a5568;
}

.article-tags {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.article-tags h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.tag {
    display: inline-block;
    background: #f0f4ff;
    color: #667eea;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.related-articles {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid #e2e8f0;
}

.related-articles h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #2d3748;
}

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

.related-post {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.related-post:hover {
    transform: translateY(-2px);
}

.related-image {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-image .image-placeholder {
    width: 80px;
    height: 80px;
    padding: 1rem;
    font-size: 1.5rem;
}

.related-image .image-emoji {
    font-size: 2rem;
    margin-bottom: 0;
}

.related-content h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.related-content h4 a {
    color: #2d3748;
}

.related-content h4 a:hover {
    color: #667eea;
}

.related-content p {
    font-size: 0.875rem;
    color: #4a5568;
    margin: 0;
    line-height: 1.4;
}

/* Responsive adjustments for articles */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .article-body {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .article-body h2 {
        font-size: 1.5rem;
    }
    
    .article-body h3 {
        font-size: 1.25rem;
    }
    
    .related-post {
        flex-direction: column;
        text-align: center;
    }
    
    .related-image {
        align-self: center;
    }
    
    .article-image-section .article-image {
        max-width: 100%;
        margin: 0 auto 1rem;
    }
    
    .image-caption {
        font-size: 0.8rem;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.75rem;
    }
    
    .article-body {
        padding: 0 0.5rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cta-section,
    .newsletter-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        padding: 20px 0;
        background: none;
    }
    
    .article-header {
        padding: 20px 0;
        background: none;
    }
}