/* Base */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Georgia, 'Times New Roman', serif;
    background: #f9f6f1;
    color: #222;
    line-height: 1.7;
}

/* Layout */
main {
    max-width: 720px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Post list */
#posts {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

#posts li {
    border-bottom: 1px solid #ddd;
    padding: 0.5rem 0;
}

a.post-link {
    color: #5a3e1b;
    text-decoration: none;
    font-size: 1.1rem;
}

a.post-link:hover, a.post-link:focus {
    text-decoration: underline;
}

/* Post content */
article {
    max-width: 720px;
}

article h2 {
    font-size: 1.8rem;
    margin-top: 0;
    color: #3b2a0e;
}

article p {
    margin: 0 0 1.2rem;
}

/* Footer */
footer {
    background: #222;
    color: #aaa;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    margin-top: 4rem;
}

footer p {
    margin: 0;
}

/* Header styles */
header {
    background: #222;
    color: #fff;
    padding: 1rem 0;
}

header h1 {
    margin: 0 1rem;
    font-size: 2rem;
}

header h2 {
    margin: 0 1rem;
    font-size: 1.2rem;
}

nav {
    display: inline-block;
    vertical-align: middle;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

nav li {
    margin: 0;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background 0.2s;
}

nav a:hover, nav a:focus {
    background: #444;
}

@media (max-width: 600px) {
    header, nav ul {
        flex-direction: column;
        align-items: flex-start;
    }
    nav ul {
        gap: 0.5rem;
    }
    header h1 {
        margin-bottom: 0.5rem;
    }
}