:root {
    --bg-primary: #FAF7F0;
    --bg-secondary: #FFF8F0;
    --bg-code: #F5F0E8;
    --text-primary: #3d3d3d;
    --text-secondary: #6b6b6b;
    --text-muted: #8a8a8a;
    --accent: #8B2500;
    --accent-dim: #8B250020;
    --border: #E8DDD0;
    --success: #2d7a2d;
    --warning: #c77c24;
    --info: #4078c0;
}

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

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Newsreader', Georgia, serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 1000;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--accent);
}

nav a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    padding: 5rem 0 3rem;
    text-align: center;
}

.profile-section {
    margin-bottom: 3rem;
}

.profile-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin-bottom: 2rem;
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 5px var(--border);
    object-fit: cover;
}

.hero h1 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.intro {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* Skills */
.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.skill-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 0.35rem 0.8rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.social-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--accent);
}

/* Blog Section */
.blog-section {
    padding: 4rem 0 6rem;
    background-color: var(--bg-secondary);
    margin: 0 calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.blog-section h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--accent);
    text-align: center;
    margin-bottom: 3rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 720px;
    margin: 0 auto;
}

.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.blog-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.blog-content {
    padding: 2rem;
}

.blog-card h3 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--accent);
}

.blog-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.blog-cta {
    text-align: center;
    margin-top: 3rem;
}

.btn-secondary {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: transform 0.2s;
    display: inline-block;
}

.btn-secondary:hover {
    transform: translateX(2px);
}

/* Article Styles */
.article-header {
    padding: 5rem 0 3rem;
}

.article-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.article-meta .tag {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
}

article {
    padding: 0 0 6rem;
}

article h1 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

article h2 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 1.6rem;
    font-weight: 500;
    margin: 4rem 0 1.5rem;
    letter-spacing: -0.02em;
    color: var(--accent);
}

article h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin: 3rem 0 1rem;
}

article p {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

article a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-dim);
    transition: border-color 0.2s;
}

article a:hover {
    border-color: var(--accent);
}

article ul,
article ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

article li {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

/* Code Blocks */
pre {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
    position: relative;
}

pre[data-lang]::before {
    content: attr(data-lang);
    position: absolute;
    top: 0;
    right: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-bottom-left-radius: 6px;
}

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Override Prism.js defaults */
pre[class*="language-"],
code[class*="language-"] {
    font-family: 'JetBrains Mono', monospace !important;
    font-size: 0.8rem !important;
    line-height: 1.6 !important;
    background: var(--bg-code) !important;
}

pre[class*="language-"] {
    background: var(--bg-code) !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px !important;
    padding: 1.5rem !important;
    margin: 2rem 0 !important;
}

/* Ensure all Prism tokens have transparent background */
.token {
    background: transparent !important;
}

p code {
    background: var(--bg-code);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* Callouts */
.callout {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 6px 6px 0;
}

.callout.education {
    border-left-color: var(--info);
}

.callout.education::before {
    content: '📚 CONCEPT';
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--info);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.75rem;
}

.callout.insight {
    border-left-color: var(--success);
}

.callout.insight::before {
    content: '💡 KEY INSIGHT';
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--success);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.75rem;
}

.callout p:last-child {
    margin-bottom: 0;
}

/* Diagrams */
.diagram {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2rem;
    margin: 2rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--text-secondary);
}

.architecture-diagram {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2rem;
    margin: 2rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--text-secondary);
}

.architecture-diagram code {
    background: none;
    padding: 0;
    font-size: inherit;
    color: inherit;
}

/* Sidenote Footnotes */
.sidenote-layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.sidenote-layout .article-header,
.sidenote-layout article {
    max-width: 620px;
    margin: 0 auto;
}

.sidenote-layout article {
    position: relative;
}

.footnote {
    float: right;
    clear: right;
    width: 260px;
    margin-right: -320px;
    margin-top: 0.25rem;
    margin-bottom: 1rem;
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary);
    position: relative;
}

.footnote sup {
    font-weight: 600;
    color: var(--accent);
    margin-right: 0.25rem;
}

.footnote code {
    font-size: inherit;
    padding: 0.1rem 0.3rem;
}

/* For narrower screens, footnotes go inline */
@media (max-width: 1050px) {
    .sidenote-layout {
        max-width: 720px;
    }

    .sidenote-layout .article-header,
    .sidenote-layout article {
        max-width: none;
    }

    .footnote {
        float: none;
        width: 100%;
        margin-right: 0;
        margin-left: 0;
        padding: 1rem;
        background: var(--bg-secondary);
        border-left: 2px solid var(--accent-dim);
        border-radius: 0 4px 4px 0;
    }
}

/* Blockquotes */
blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
    margin: 2.5rem 0;
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.15rem;
}

/* Archive Page */
.blog-archive {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 0;
}

.blog-archive h1 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.archive-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 4rem;
}

.archive-list {
    margin-bottom: 3rem;
}

.archive-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.archive-item:last-child {
    border-bottom: none;
}

.archive-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-top: 0.25rem;
}

.archive-content h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.archive-content h2 a {
    color: var(--accent);
    text-decoration: none;
    border: none;
    transition: opacity 0.2s;
}

.archive-content h2 a:hover {
    opacity: 0.8;
}

.archive-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.archive-meta {
    display: flex;
    gap: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
}

.read-time,
.tags {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Blog Navigation */
.blog-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.blog-nav a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform 0.2s;
}

.blog-nav a:hover {
    transform: translateX(2px);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 0;
}

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

.footer-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-right: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

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

.footer-copy {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    margin: 2rem 0;
}

.stat {
    background: var(--bg-secondary);
    padding: 1.5rem;
    text-align: center;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.5rem;
    display: block;
}

/* Step List */
.step-list {
    counter-reset: step;
    list-style: none;
    padding-left: 0;
}

.step-list li {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.step-list li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--accent-dim);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Diagram Styles */
.diagram {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2rem;
    margin: 2rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--text-secondary);
}

.diagram .highlight {
    color: var(--accent);
}

.diagram .dim {
    color: var(--text-muted);
}

.diagram .info {
    color: var(--info);
}

.diagram .success {
    color: var(--success);
}

.diagram-caption {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -1rem;
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 600px) {
    html {
        font-size: 16px;
    }

    .hero h1,
    article h1,
    .blog-archive h1 {
        font-size: 2rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav a:first-child {
        margin-left: 0;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .archive-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .blog-nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .diagram {
        font-size: 0.6rem;
        padding: 1rem;
    }
}