/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #fafaf9;
  --text: #1c1917;
  --text-muted: #78716c;
  --border: #e7e5e4;
  --accent: #292524;
  --link: #b45309;
  --link-hover: #92400e;
  --tag-bg: #f5f5f4;
  --tag-text: #57534e;
  --code-bg: #f5f5f4;
  --blockquote-border: #d6d3d1;
  --footer-bg: #292524;
  --footer-text: #d6d3d1;
  --max-width: 680px;
}

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

body {
  font-family: 'Merriweather', Georgia, serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--link-hover);
}

img {
  max-width: 100%;
  height: auto;
}

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

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.site-title:hover {
  color: var(--link);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

/* === Language Switcher === */
.lang-switcher {
  display: flex;
  gap: 0.25rem;
  margin-left: 0.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
}

.lang-link {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
}

.lang-link.active {
  color: var(--text);
  font-weight: 700;
}

.lang-link:hover {
  color: var(--text);
}

/* === Main === */
.site-main {
  flex: 1;
  padding: 3rem 0;
}

/* === Home === */
.home-intro {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.home-intro h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.home-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 0.25rem;
}

.home-author {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.home-recent h2 {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* === Post List === */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

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

.post-item time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-item h2,
.post-item h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0.25rem 0 0.5rem;
  line-height: 1.35;
}

.post-item h2 a,
.post-item h3 a {
  color: var(--text);
}

.post-item h2 a:hover,
.post-item h3 a:hover {
  color: var(--link);
}

.post-summary {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === Tags === */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* === Single Post === */
.post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.post-header h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.post-meta time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* === Post Content === */
.post-content h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 1rem;
}

.post-content h3 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content blockquote {
  border-left: 3px solid var(--blockquote-border);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.post-content blockquote p {
  margin-bottom: 0.5rem;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.15em 0.35em;
  border-radius: 3px;
}

.post-content pre {
  background: var(--code-bg);
  padding: 1rem 1.25rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content ul,
.post-content ol {
  margin: 1rem 0 1.25rem 1.5rem;
}

.post-content li {
  margin-bottom: 0.35rem;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.post-content em {
  font-style: italic;
}

.post-content strong {
  font-weight: 700;
}

.post-content img {
  border-radius: 4px;
  margin: 1.5rem 0;
}

/* === Page (About, etc.) === */
.page-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

/* === About Page === */
.about-content h2 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.about-content p {
  margin-bottom: 1rem;
}

.about-content ul {
  margin: 0.75rem 0 1.25rem 1.5rem;
}

.about-content li {
  margin-bottom: 0.35rem;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.about-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  transition: all 0.2s;
}

.about-links a:hover {
  border-color: var(--link);
  color: var(--link);
}

.resume-download {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  transition: all 0.2s;
  margin-top: 0.5rem;
}

.resume-download:hover {
  border-color: var(--link);
  color: var(--link);
}

/* === Badge === */
.badge {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--tag-bg);
  color: var(--text-muted);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  vertical-align: middle;
}

/* === Footer === */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2rem 0;
  margin-top: auto;
}

.footer-disclosure {
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid #44403c;
}

.footer-disclosure p {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  line-height: 1.6;
  color: #a8a29e;
}

.footer-disclosure strong {
  color: #d6d3d1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
}

.footer-bottom a {
  color: var(--footer-text);
}

.footer-bottom a:hover {
  color: #fff;
}

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

  .site-header .container {
    flex-direction: column;
    gap: 0.75rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .home-intro h1 {
    font-size: 1.8rem;
  }

  .post-header h1 {
    font-size: 1.6rem;
  }

  .page-title {
    font-size: 1.6rem;
  }
}