@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;1,400&family=DM+Mono:wght@400;500&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;1,8..60,300;1,8..60,400&display=swap');

:root {
  --ink: #1a1a18;
  --ink-light: #4a4a44;
  --ink-faint: #8a8a82;
  --paper: #fafaf7;
  --paper-warm: #f4f3ee;
  --accent: #c0392b;
  --rule: #ddddd5;
  --highlight: #fff9c4;
  --mono: 'DM Mono', monospace;
  --serif: 'Source Serif 4', Georgia, serif;
  --display: 'Lora', Georgia, serif;
  --col: 680px;
  --wide: 980px;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

nav {
  border-bottom: 1px solid var(--rule);
  padding: 0 2.5rem;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  text-decoration: none;
  transition: color 0.15s;
}

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

footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 2.5rem;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4rem;
}

.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.post-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.post-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--rule);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.back-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: 2rem;
  display: inline-block;
  text-decoration: none;
}

.back-btn:hover { color: var(--accent); }

@media (max-width: 800px) {
  nav { padding: 0 1.2rem; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}