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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

nav {
    margin-top: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    padding: 8px 20px;
    border: 2px solid white;
    border-radius: 5px;
    transition: all 0.3s;
    display: inline-block;
}

nav a:hover {
    background: white;
    color: #667eea;
}

main {
    padding: 3rem 0;
}

.intro {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.intro h2 {
    color: #667eea;
    margin-bottom: 1rem;
}

.posts h2 {
    margin-bottom: 2rem;
    color: #333;
}

.post-card {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.post-card h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.post-card h3 a {
    color: #667eea;
    text-decoration: none;
}

.post-card h3 a:hover {
    text-decoration: underline;
}

.post-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-excerpt {
    color: #555;
    line-height: 1.8;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Article page styles */
article {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

article h1 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

article h2 {
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

article h3 {
    color: #555;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

article p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

article code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

article pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

article pre code {
    background: none;
    padding: 0;
    color: #f8f8f2;
}

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

article li {
    margin-bottom: 0.5rem;
}

article blockquote {
    border-left: 4px solid #667eea;
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #666;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    nav a {
        display: block;
        margin: 10px 0;
    }
    
    article {
        padding: 1.5rem;
    }
}