:root {
    --bg: #fafafa;
    --text: #333;
    --text-light: #666;
    --accent: #2c5aa0;
    --border: #ddd;
    --max-width: 720px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    padding: 2rem 1rem;
}

header {
    max-width: var(--max-width);
    margin: 0 auto 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

header h1 a {
    color: var(--text);
    text-decoration: none;
}

.tagline {
    color: var(--text-light);
    margin-top: 0.25rem;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
}

.posts h2 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-preview {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.post-preview:last-of-type {
    border-bottom: none;
}

.post-preview h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.post-preview h3 a {
    color: var(--accent);
    text-decoration: none;
}

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

.post-preview time {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.post-preview p {
    color: var(--text-light);
}

/* Individual post page */
.post h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.post time {
    display: block;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.post p {
    margin-bottom: 1rem;
}

.post ul, .post ol {
    margin: 1rem 0 1rem 1.5rem;
}

.post li {
    margin-bottom: 0.5rem;
}

.back {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.back a {
    color: var(--accent);
    text-decoration: none;
}

footer {
    max-width: var(--max-width);
    margin: 4rem auto 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-light);
}