/* Basic Reset and Variables */
:root {
    --primary: #333;
    --secondary: #f5f5f5;
    --accent: #1976d2;
    --text: #222;
    --white: #fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background: var(--secondary);
    color: var(--text);
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.7;
}

nav {
    background: var(--primary);
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav .logo {
    font-size: 1.5rem;
    font-weight: 600;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}
nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    transition: background 0.2s;
    border-radius: 4px;
}
nav ul li a:hover, nav ul li a:focus {
    background: var(--accent);
}

main {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 6px rgba(0,0,0,.08);
}

.hero {
    text-align: center;
    margin-bottom: 2rem;
}

.posts-preview {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.posts-preview article {
    background: var(--secondary);
    padding: 1rem;
    border-radius: 6px;
    flex: 1 1 250px;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.posts-preview article a {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--accent);
    text-decoration: underline;
    font-size: 0.95rem;
}

.blog-post {
    border-bottom: 1px solid #ececec;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}
.blog-post:last-child {
    border: none;
}

h1, h2, h3 {
    color: var(--primary);
}
.meta {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0 0 8px 8px;
}

/* Responsive Design */
@media (max-width: 600px) {
    main {
        padding: 1rem;
    }
    nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
    }
    nav ul {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    .posts-preview {
        flex-direction: column;
    }
}