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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Merriweather', serif;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; color: #2c3e50; }
h3 { font-size: 1.5rem; }

/* Navigation */
header {
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-left: 2rem;
}

nav a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
}

nav a:hover {
    color: #3498db;
}

/* Articles */
.post-preview {
    background: #f9f9f9;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #3498db;
}

.date {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding: 2rem 0;
    text-align: center;
    color: #7f8c8d;
    border-top: 1px solid #eee;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    nav li {
        margin: 0 0.5rem;
    }
    
    body {
        padding: 0 10px;
    }
}