@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;1,400&family=Inconsolata:wght@300;400;500&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

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

:root {
  --bg: #faf9f7;
  --surface: #f2f0ec;
  --border: #e0ddd7;
  --border-strong: #c8c4bc;
  --text: #1a1917;
  --text-secondary: #6b6760;
  --text-tertiary: #9e9b96;
  --accent: #2a4a8a;
  --accent-light: #eef1f8;
  --tag-bg: #f0ede8;
  --tag-text: #5a5752;
  --font-serif: 'EB Garamond', 'Libre Baskerville', Georgia, serif;
  --font-mono: 'Inconsolata', 'Courier New', monospace;
  --max-width: 740px;
  --col-width: 680px;
}

html { font-size: 18px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }

/* ── HEADER ── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 2rem 2rem;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.logo-block { display: flex; flex-direction: column; gap: 0.15rem; }

.logo-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.1;
}

.site-title a:hover { color: var(--accent); transition: color 0.15s; }

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-style: normal;
}

.site-nav { display: flex; gap: 1.8rem; padding-bottom: 0.15rem; }

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.15s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.15s;
}

.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active::after { opacity: 1; }

/* ── MAIN ── */
.main-content {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* ── HERO ── */
.hero { margin-bottom: 3.5rem; }

.hero-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-style: italic;
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-line {
  height: 1px;
  background: linear-gradient(to right, var(--border-strong), transparent);
  width: 100%;
}

/* ── SECTION LABEL ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 1.8rem;
  font-weight: 400;
}

/* ── POST CARDS ── */
.posts-grid { display: flex; flex-direction: column; gap: 0; }

.post-card {
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.post-card:first-child { border-top: 1px solid var(--border); }

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

.post-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.post-title {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.post-title a { transition: color 0.15s; }
.post-title a:hover { color: var(--accent); }

.post-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-top: 0.2rem;
}

.post-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  width: fit-content;
  margin-top: 0.3rem;
}

/* ── ARTICLE PAGE ── */
.article-header { margin-bottom: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }

.article-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1rem;
}

.article-title {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.article-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.8rem; }

.article-body { max-width: 640px; }

.article-body p { margin-bottom: 1.3rem; font-size: 1rem; line-height: 1.8; }

.article-body h2 {
  font-size: 1.2rem;
  font-weight: 500;
  margin: 2.2rem 0 0.8rem;
  letter-spacing: 0.01em;
}

.article-body h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 2rem 0 0.7rem;
}

.article-body ul, .article-body ol {
  margin: 0 0 1.3rem 1.4rem;
}

.article-body li { margin-bottom: 0.4rem; font-size: 1rem; line-height: 1.7; }

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--surface);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--border);
  color: var(--accent);
}

.article-body pre {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.2rem 1.4rem;
  border-radius: 3px;
  overflow-x: auto;
  margin-bottom: 1.3rem;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.8rem;
  line-height: 1.6;
}

.article-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1.2rem;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-body a { color: var(--accent); border-bottom: 1px solid var(--accent-light); transition: border-color 0.15s; }
.article-body a:hover { border-color: var(--accent); }

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

.article-nav {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.article-nav-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.article-nav-link:hover { color: var(--accent); }
.article-nav-link.prev::before { content: '← '; }
.article-nav-link.next::after { content: ' →'; }

/* ── ABOUT ── */
.about-article { max-width: 600px; }
.about-title { font-size: 1.5rem; font-weight: 400; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.about-body p { font-size: 1rem; line-height: 1.85; margin-bottom: 1.3rem; color: var(--text); }
.about-body strong { font-weight: 500; }
.about-links { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.about-link { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--accent); transition: opacity 0.15s; }
.about-link:hover { opacity: 0.7; }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.footer-social {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: color 0.15s;
}
.footer-social:hover { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .main-content { padding: 2rem 1.25rem 3rem; }
  .site-header { padding: 1.75rem 1.25rem 1.5rem; }
  .article-title { font-size: 1.6rem; }
}