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

:root {
    --black: #000000;
    --gray-dark: #333333;
    --gray: #666666;
    --gray-light: #e5e5e5;
    --white: #ffffff;
}

body {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    background: var(--white);
    color: var(--black);
    line-height: 1.6;
}

/* Header */
.header {
    border-bottom: 2px solid var(--black);
    padding: 30px 0;
    margin-bottom: 60px;
}

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

.article-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.logo {
    font-size: 18px;
    font-weight: 900;
    text-decoration: none;
    color: var(--black);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--black);
}

/* Article Header */
.article-header {
    text-align: center;
    margin-bottom: 60px;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 12px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.article-title {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.2;
    margin-bottom: 20px;
}

.article-excerpt {
    font-size: 18px;
    color: var(--gray-dark);
    line-height: 1.6;
}

/* Article Content */
.article-content {
    margin-bottom: 80px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--gray-dark);
}

.article-content h2 {
    font-size: 32px;
    font-weight: 900;
    margin: 48px 0 24px;
    letter-spacing: -1px;
}

.article-content h3 {
    font-size: 24px;
    font-weight: 900;
    margin: 36px 0 16px;
}

.article-content ul,
.article-content ol {
    margin: 24px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 12px;
    color: var(--gray-dark);
}

.article-content blockquote {
    border-left: 4px solid var(--black);
    padding-left: 24px;
    margin: 32px 0;
    font-style: italic;
    color: var(--gray-dark);
}

.article-content code {
    background: var(--gray-light);
    padding: 2px 6px;
    font-size: 14px;
}

.article-content pre {
    background: var(--black);
    color: var(--white);
    padding: 24px;
    overflow-x: auto;
    margin: 32px 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--white);
}

.article-content img {
    max-width: 100%;
    height: auto;
    margin: 32px 0;
}

.article-content a {
    color: var(--black);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    background: var(--black);
    color: var(--white);
    text-decoration: none;
}

/* Highlight Box */
.highlight-box {
    border: 2px solid var(--black);
    padding: 24px;
    margin: 32px 0;
    background: var(--gray-light);
}

.highlight-box h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.stat-card {
    background: var(--black);
    color: var(--white);
    padding: 20px;
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 900;
    display: block;
}

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
    opacity: 0.8;
}

/* Article Footer */
.article-footer {
    border-top: 2px solid var(--black);
    padding-top: 40px;
    margin-bottom: 80px;
}

.share-section {
    text-align: center;
    margin-bottom: 40px;
}

.share-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray);
    margin-bottom: 20px;
}

.share-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.share-link {
    padding: 10px 20px;
    border: 2px solid var(--black);
    text-decoration: none;
    color: var(--black);
    font-size: 14px;
    transition: all 0.2s;
}

.share-link:hover {
    background: var(--black);
    color: var(--white);
}

/* Next/Previous Posts */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.nav-post {
    text-decoration: none;
    color: var(--black);
}

.nav-post:hover .nav-title {
    text-decoration: underline;
}

.nav-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    margin-bottom: 8px;
}

.nav-title {
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.nav-post.next {
    text-align: right;
}

/* Footer */
.footer {
    border-top: 2px solid var(--black);
    padding: 40px 0;
}

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

.footer-text {
    font-size: 12px;
    color: var(--gray);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    font-size: 12px;
}

.footer-links a:hover {
    color: var(--black);
}

/* Responsive */
@media (max-width: 768px) {
    .article-title {
        font-size: 32px;
    }

    .article-meta {
        flex-direction: column;
        gap: 8px;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .nav-post.next {
        text-align: left;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}