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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
}

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

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #2563eb;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

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

.blog-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 3rem;
    font-weight: 700;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

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

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

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.blog-content h3 a {
    text-decoration: none;
    color: #1e293b;
    transition: color 0.3s ease;
}

.blog-content h3 a:hover {
    color: #2563eb;
}

.blog-content p {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: #94a3b8;
}

/* Article Styles */
.article {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 20px;
}

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

.article-title {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.article-meta {
    color: #64748b;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.article-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #374151;
}

.article-content h2 {
    font-size: 1.875rem;
    color: #1e293b;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

.article-content h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin: 1.5rem 0 1rem 0;
    font-weight: 600;
}

.article-content p {
    margin-bottom: 1.5rem;
}

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

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content blockquote {
    border-left: 4px solid #2563eb;
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    background: #f1f5f9;
    padding: 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
}

.article-content code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
    font-size: 0.9em;
}

.filtrobot-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    margin: 1rem 0;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.filtrobot-link:hover {
    transform: translateY(-2px);
    color: white;
    text-decoration: none;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem 0;
    margin-top: 4rem;
}

.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: #f1f5f9;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #60a5fa;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

.footer-bottom a {
    color: #60a5fa;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.cta-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
}

.cta-section h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.cta-section p {
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .blog-section {
        padding: 2rem 0;
    }
    
    .container {
        padding: 0 15px;
    }
}